on 5480222 help sign in
.github/workflows/haskell.ymldeleted−41
since splitsnapshots
unifiedsplit
@@ -1,41 +0,0 @@
1−name: github-action
2−
3−on: [push, pull_request]
4−
5−jobs:
6− build:
7− strategy:
8− matrix:
9− ghc: ['8.4.4', '8.6.5', '8.8.4', '8.10.2']
10− os: ['ubuntu-latest', 'macos-latest']
11− runs-on: ${{ matrix.os }}
12−
13− name: GHC ${{ matrix.ghc }} on ${{ matrix.os }}
14− steps:
15− - uses: actions/checkout@v2
16− - uses: actions/setup-haskell@v1
17− with:
18− ghc-version: ${{ matrix.ghc }}
19− - name: Cache
20− uses: actions/cache@v1
21− env:
22− cache-name: cache-cabal
23− with:
24− path: ~/.cabal
25− key: ${{ runner.os }}-${{ matrix.ghc }}-build-${{ env.cache-name }}-${{ hashFiles('**/*.cabal') }}-${{ hashFiles('**/cabal.project') }}
26− restore-keys: |
27− ${{ runner.os }}-${{ matrix.ghc }}-build-${{ env.cache-name }}-
28− ${{ runner.os }}-${{ matrix.ghc }}-build-
29− ${{ runner.os }}-${{ matrix.ghc }}-
30− ${{ runner.os }}
31−
32− - name: Install dependencies
33− run: |
34− cabal update
35− cabal build --only-dependencies --enable-tests --enable-benchmarks
36− - name: Build
37− run: cabal build --enable-tests --enable-benchmarks all
38− - name: Run tests
39− run: cabal test all
40− - name: Build Docs
41− run: cabal haddock
.travis.ymlnew file+171
@@ -0,0 +1,171 @@
1+# This Travis job script has been generated by a script via
2+#
3+# haskell-ci '--config=cabal.haskell-ci' 'cabal.project'
4+#
5+# For more information, see https://github.com/haskell-CI/haskell-ci
6+#
7+# version: 0.3.20190814
8+#
9+language: c
10+dist: xenial
11+sudo: required
12+git:
13+ # whether to recursively clone submodules
14+ submodules: false
15+cache:
16+ directories:
17+ - $HOME/.cabal/packages
18+ - $HOME/.cabal/store
19+before_cache:
20+ - rm -fv $CABALHOME/packages/hackage.haskell.org/build-reports.log
21+ # remove files that are regenerated by 'cabal update'
22+ - rm -fv $CABALHOME/packages/hackage.haskell.org/00-index.*
23+ - rm -fv $CABALHOME/packages/hackage.haskell.org/*.json
24+ - rm -fv $CABALHOME/packages/hackage.haskell.org/01-index.cache
25+ - rm -fv $CABALHOME/packages/hackage.haskell.org/01-index.tar
26+ - rm -fv $CABALHOME/packages/hackage.haskell.org/01-index.tar.idx
27+ - rm -rfv $CABALHOME/packages/head.hackage
28+matrix:
29+ include:
30+ - compiler: ghcjs-8.4
31+ addons: {"apt":{"sources":["hvr-ghc"],"packages":["cabal-install-3.0"]}}
32+ - compiler: ghc-8.6.5
33+ addons: {"apt":{"sources":["hvr-ghc"],"packages":["ghc-8.6.5","cabal-install-2.4"]}}
34+ - compiler: ghc-8.4.4
35+ addons: {"apt":{"sources":["hvr-ghc"],"packages":["ghc-8.4.4","cabal-install-2.4"]}}
36+ - compiler: ghc-8.2.2
37+ addons: {"apt":{"sources":["hvr-ghc"],"packages":["ghc-8.2.2","cabal-install-2.4"]}}
38+ - compiler: ghc-8.0.2
39+ addons: {"apt":{"sources":["hvr-ghc"],"packages":["ghc-8.0.2","cabal-install-2.4"]}}
40+before_install:
41+ - |
42+ if [ "$TRAVIS_OS_NAME" = "linux" ]; then
43+ sudo add-apt-repository -y ppa:hvr/ghcjs;
44+ curl -s https://deb.nodesource.com/gpgkey/nodesource.gpg.key | sudo apt-key add -
45+ sudo apt-add-repository 'https://deb.nodesource.com/node_8.x xenial main'
46+ sudo apt-get update;
47+ sudo apt-get install $CC cabal-install-3.0 nodejs;
48+ fi
49+ - HC=$(echo "/opt/$CC/bin/ghc" | sed 's/-/\//')
50+ - WITHCOMPILER="-w $HC"
51+ - |
52+ if echo $CC | grep -q ghcjs; then
53+ GHCJS=true
54+ HC=${HC}js
55+ WITHCOMPILER="--ghcjs ${WITHCOMPILER}js"
56+ else
57+ GHCJS=false;
58+ fi
59+ - if $GHCJS ; then sudo apt-get install -y ghc-8.4.4 ; fi
60+ - if $GHCJS ; then PATH="/opt/ghc/8.4.4/bin:$PATH" ; fi
61+ - HCPKG="$HC-pkg"
62+ - unset CC
63+ - CABAL=/opt/ghc/bin/cabal
64+ - CABALHOME=$HOME/.cabal
65+ - export PATH="$CABALHOME/bin:$PATH"
66+ - TOP=$(pwd)
67+ - "HCNUMVER=$(${HC} --numeric-version|perl -ne '/^(\\d+)\\.(\\d+)\\.(\\d+)(\\.(\\d+))?$/; print(10000 * $1 + 100 * $2 + ($3 == 0 ? $5 != 1 : $3))')"
68+ - echo $HCNUMVER
69+ - CABAL="$CABAL -vnormal+nowrap+markoutput"
70+ - set -o pipefail
71+ - |
72+ echo 'function blue(s) { printf "\033[0;34m" s "\033[0m " }' >> .colorful.awk
73+ echo 'BEGIN { state = "output"; }' >> .colorful.awk
74+ echo '/^-----BEGIN CABAL OUTPUT-----$/ { state = "cabal" }' >> .colorful.awk
75+ echo '/^-----END CABAL OUTPUT-----$/ { state = "output" }' >> .colorful.awk
76+ echo '!/^(-----BEGIN CABAL OUTPUT-----|-----END CABAL OUTPUT-----)/ {' >> .colorful.awk
77+ echo ' if (state == "cabal") {' >> .colorful.awk
78+ echo ' print blue($0)' >> .colorful.awk
79+ echo ' } else {' >> .colorful.awk
80+ echo ' print $0' >> .colorful.awk
81+ echo ' }' >> .colorful.awk
82+ echo '}' >> .colorful.awk
83+ - cat .colorful.awk
84+ - |
85+ color_cabal_output () {
86+ awk -f $TOP/.colorful.awk
87+ }
88+ - echo text | color_cabal_output
89+install:
90+ - ${CABAL} --version
91+ - echo "$(${HC} --version) [$(${HC} --print-project-git-commit-id 2> /dev/null || echo '?')]"
92+ - node --version
93+ - echo $GHCJS
94+ - TEST=--enable-tests
95+ - BENCH=--enable-benchmarks
96+ - BENCH=--disable-benchmarks
97+ - HEADHACKAGE=false
98+ - rm -f $CABALHOME/config
99+ - |
100+ echo "verbose: normal +nowrap +markoutput" >> $CABALHOME/config
101+ echo "remote-build-reporting: anonymous" >> $CABALHOME/config
102+ echo "write-ghc-environment-files: always" >> $CABALHOME/config
103+ echo "remote-repo-cache: $CABALHOME/packages" >> $CABALHOME/config
104+ echo "logs-dir: $CABALHOME/logs" >> $CABALHOME/config
105+ echo "world-file: $CABALHOME/world" >> $CABALHOME/config
106+ echo "extra-prog-path: $CABALHOME/bin" >> $CABALHOME/config
107+ echo "symlink-bindir: $CABALHOME/bin" >> $CABALHOME/config
108+ echo "installdir: $CABALHOME/bin" >> $CABALHOME/config
109+ echo "build-summary: $CABALHOME/logs/build.log" >> $CABALHOME/config
110+ echo "store-dir: $CABALHOME/store" >> $CABALHOME/config
111+ echo "install-dirs user" >> $CABALHOME/config
112+ echo " prefix: $CABALHOME" >> $CABALHOME/config
113+ echo "repository hackage.haskell.org" >> $CABALHOME/config
114+ echo " url: http://hackage.haskell.org/" >> $CABALHOME/config
115+ - cat $CABALHOME/config
116+ - rm -fv cabal.project cabal.project.local cabal.project.freeze
117+ - travis_retry ${CABAL} v2-update -v
118+ - if $GHCJS ; then (cd /tmp && ${CABAL} v2-install -w ghc-8.4.4 happy) ; fi
119+ # Generate cabal.project
120+ - rm -rf cabal.project cabal.project.local cabal.project.freeze
121+ - touch cabal.project
122+ - |
123+ echo "packages: ." >> cabal.project
124+ - |
125+ - cat cabal.project || true
126+ - cat cabal.project.local || true
127+ - if [ -f "./configure.ac" ]; then (cd "." && autoreconf -i); fi
128+ - ${CABAL} v2-freeze $WITHCOMPILER ${TEST} ${BENCH} | color_cabal_output
129+ - "cat cabal.project.freeze | sed -E 's/^(constraints: *| *)//' | sed 's/any.//'"
130+ - rm cabal.project.freeze
131+script:
132+ - DISTDIR=$(mktemp -d /tmp/dist-test.XXXX)
133+ # Packaging...
134+ - ${CABAL} v2-sdist all | color_cabal_output
135+ # Unpacking...
136+ - mv dist-newstyle/sdist/*.tar.gz ${DISTDIR}/
137+ - cd ${DISTDIR} || false
138+ - find . -maxdepth 1 -type f -name '*.tar.gz' -exec tar -xvf '{}' \;
139+ - find . -maxdepth 1 -type f -name '*.tar.gz' -exec rm '{}' \;
140+ - PKGDIR_reflex="$(find . -maxdepth 1 -type d -regex '.*/reflex-[0-9.]*')"
141+ # Generate cabal.project
142+ - rm -rf cabal.project cabal.project.local cabal.project.freeze
143+ - touch cabal.project
144+ - |
145+ echo "packages: ${PKGDIR_reflex}" >> cabal.project
146+ - |
147+ - cat cabal.project || true
148+ - cat cabal.project.local || true
149+ # Building...
150+ # this builds all libraries and executables (without tests/benchmarks)
151+ - ${CABAL} v2-build $WITHCOMPILER --disable-tests --disable-benchmarks all | color_cabal_output
152+ # Building with tests and benchmarks...
153+ # build & run tests, build benchmarks
154+ - ${CABAL} v2-build $WITHCOMPILER ${TEST} ${BENCH} all | color_cabal_output
155+ # Testing...
156+ - if ! $GHCJS ; then ${CABAL} v2-test $WITHCOMPILER ${TEST} ${BENCH} all | color_cabal_output ; fi
157+ # cabal check...
158+ - (cd ${PKGDIR_reflex} && ${CABAL} -vnormal check)
159+ # haddock...
160+ - if ! $GHCJS ; then ${CABAL} v2-haddock $WITHCOMPILER ${TEST} ${BENCH} all | color_cabal_output ; fi
161+ # Constraint sets
162+ - rm -rf cabal.project.local
163+ # Constraint set no-th
164+ - ${CABAL} v2-build $WITHCOMPILER --disable-tests --disable-benchmarks --constraint='reflex -use-template-haskell' all | color_cabal_output
165+ # Constraint set old-these
166+ - ${CABAL} v2-build $WITHCOMPILER --disable-tests --disable-benchmarks --constraint='these <1' all | color_cabal_output
167+ # Constraint set old-witherable
168+ - ${CABAL} v2-build $WITHCOMPILER --disable-tests --disable-benchmarks --constraint='witherable <0.3.2' all | color_cabal_output
169+
170+# REGENDATA ["--config=cabal.haskell-ci","cabal.project"]
171+# EOF
ChangeLog.md+4−98
@@ -1,87 +1,5 @@
1# Revision history for reflex
1# Revision history for reflex
2
2
3−## 0.8.2.0
4−
5−* Add `matchResponseMapWithRequests`, which it similar to `matchResponsesWithRequests` but allows processing of multiple responses at once.
6−
7−## 0.8.1.1
8−
9−* Allow newer hlint for older GHCs, and add upper bound for newer GHCs
10−
11−## 0.8.1.0
12−
13−* Add support for GHC 8.10
14−* Drop support for GHC < 8.4
15−
16−## 0.8.0.0
17−
18−* Replace 0.7.2.0 with 0.8.0.0 to reflect the `MonadHold` interface change. Deprecates 0.7.2.0.
19−
20−## 0.7.2.0 -- *Deprecated*
21−
22−* ([#416](https://github.com/reflex-frp/reflex/pull/416)) Add `now :: m (Event t ())` to `MonadHold`.
23−* Extend some dependency version bounds
24−* Fix HLint 3 test
25−
26−## 0.7.1.1
27−
28−*Backport release*.
29−Changes do not carry forward to 0.7.2.0.
30−
31−* Add support for GHC 8.10
32−* Drop support for GHC < 8.4
33−* Extend some dependency version bounds
34−* Fix HLint 3 test
35−
36−## 0.7.1.0
37−
38−* ([#413](https://github.com/reflex-frp/reflex/pull/413), [#417](https://github.com/reflex-frp/reflex/pull/417)) Add `Reflex.Host.Headless` module which provides `runHeadlessApp` as an easy way to run a Reflex network in a "headless" environment.
39−* ([#420](https://github.com/reflex-frp/reflex/pull/420)) Add a [`Data.Zip.Unzip`](https://hackage.haskell.org/package/semialign-1.1/docs/Data-Zip.html#t:Unzip) instance for `Event`.
40−* ([#419](https://github.com/reflex-frp/reflex/pull/419)) Add `distributeIntMapOverDynPure` and `joinDynThroughIntMap` as convenience functions for working with `Dynamic` `IntMap`s.
41−
42−
43−## 0.7.0.0
44−
45−* Add lifting instances for most classes to `Reflex.Profiled.Profiled`. ([#398](https://github.com/reflex-frp/reflex/pull/398))
46−* Class `MonadQuery t q m` now has a `Monad m` superclass constraint. ([#400](https://github.com/reflex-frp/reflex/pull/400))
47−* **(Breaking change)** Rename class `MonadBehaviorWriter` -> `BehaviorWriter` for consistency with `EventWriter`/`DynamicWriter`. ([#401](https://github.com/reflex-frp/reflex/pull/401))
48−* Introduce deprecated alias `MonadBehaviorWriter = BehaviorWriter`. ([#401](https://github.com/reflex-frp/reflex/pull/401))
49−* Fix bug in spider where event subscriptions would be prematurely finalized due to over-aggressive inlining. ([#409](https://github.com/reflex-frp/reflex/pull/409))
50−* Add instances of `PerformEvent` and `TriggerEvent` for `MaybeT`. ([#395](https://github.com/reflex-frp/reflex/pull/395))
51−
52−## 0.6.4.1
53−
54−* Fix a bug in the Reflex Profiled transformer where
55− `Reflex.Class.mergeIncrementalG` and
56− `Reflex.Class.mergeIncrementalWithMoveG` implementations referenced
57− itself instead of the inner transformed timeline, causing an
58− infinite loop.
59−
60−## 0.6.4
61−
62−* Support GHC 8.8
63−
64−* Add `Reflex.Query.Base.mapQueryT`. See that module for documentation
65−
66−* The `Reflex.Patch.*` modules were moved to the `patch` library.
67− They are `Data.Patch.*` there, but reexported under their old names for backwards compatability here.
68−
69−* Additional instances for `Query` classes for basic types.
70−
71−* Add cabal flags `debug-propagation` and `debug-event-cycles` to build in debugging
72− code for performance and for cyclic dependencies between events
73−
74−## 0.6.3
75−
76−* `Data.WeakBag.traverse` and `Data.FastWeakBag.traverse` have been deprecated.
77− They are replaced with `Data.WeakBag.traverse_` and `Data.FastWeakBag.traverse_`, respectively.
78−
79−* Fixes a bug in `Reflex.Patch.MapWithMove.patchThatSortsMapWith` that was producing invalid `PatchMapWithMove`.
80−
81−* Add missing `NotReady` instances:
82− - `instance NotReady (SpiderTimeline x) (SpiderHost x)`
83− - `instance HasSpiderTimeline x => NotReady (SpiderTimeline x) (PerformEventT (SpiderTimeline x) (SpiderHost x))`
84−
85## 0.6.2.4
3## 0.6.2.4
86
4
87* Update to monoidal-containers 0.6
5* Update to monoidal-containers 0.6
@@ -93,9 +11,7 @@ Changes do not carry forward to 0.7.2.0.
93## 0.6.2.2
11## 0.6.2.2
94
12
95* Support these >= 1. Add `split-these` flag to control whether to use new these/semialign combination or not.
13* Support these >= 1. Add `split-these` flag to control whether to use new these/semialign combination or not.
96−
97* Update version bounds to fix some CI failures
14* Update version bounds to fix some CI failures
98−
99* Add travis CI configuration
15* Add travis CI configuration
100
16
101## 0.6.2.1
17## 0.6.2.1
@@ -110,42 +26,32 @@ Changes do not carry forward to 0.7.2.0.
110 * Add incrementalCoercion/coerceIncremental to go with dynamicCoercion/coerceDynamic
26 * Add incrementalCoercion/coerceIncremental to go with dynamicCoercion/coerceDynamic
111
27
112* Generalize merging functions:
28* Generalize merging functions:
113− `merge` to `mergeG`,
29+ `merge` to `mergeG`,
114− `mergeIncremental` to `mergeIncrementalG`,
30+ `mergeIncremental` to `mergeIncrementalG`,
115− `mergeIncrementalWithMove` to `mergeIncrementalWithMoveG`.
31+ `mergeIncrementalWithMove` to `mergeIncrementalWithMoveG`.
116
32
117* Generalize distribute function:
33* Generalize distribute function:
118 `distributeDMapOverDynPure` to `distributeDMapOverDynPureG`,
34 `distributeDMapOverDynPure` to `distributeDMapOverDynPureG`,
119
35
120## 0.6.2.0
36## 0.6.2.0
121
37
122−* Fix `holdDyn` so that it is lazy in its event argument
38+* Fix `holdDyn` so that it is lazy in its event argument
123 These produce `DMap`s whose values needn't be `Identity`.
39 These produce `DMap`s whose values needn't be `Identity`.
124−
125* Stop using the now-deprecated `*Tag` classes (e.g., `ShowTag`).
40* Stop using the now-deprecated `*Tag` classes (e.g., `ShowTag`).
126−
127* Fix `holdDyn` so that it is lazy in its event argument.
41* Fix `holdDyn` so that it is lazy in its event argument.
128
42
129## 0.6.1.0
43## 0.6.1.0
130
44
131* Re-export all of `Data.Map.Monoidal`
45* Re-export all of `Data.Map.Monoidal`
132−
133* Fix `QueryT` and `RequesterT` tests
46* Fix `QueryT` and `RequesterT` tests
134
47
135## 0.6.0.0 -- 2019-03-20
48## 0.6.0.0 -- 2019-03-20
136
49
137* Deprecate `FunctorMaybe` in favor of `Data.Witherable.Filterable`. We still export `fmapMaybe`, `ffilter`, etc., but they all rely on `Filterable` now.
50* Deprecate `FunctorMaybe` in favor of `Data.Witherable.Filterable`. We still export `fmapMaybe`, `ffilter`, etc., but they all rely on `Filterable` now.
138−
139* Rename `MonadDynamicWriter` to `DynamicWriter` and add a deprecation for the old name.
51* Rename `MonadDynamicWriter` to `DynamicWriter` and add a deprecation for the old name.
140−
141* Remove many deprecated functions.
52* Remove many deprecated functions.
142−
143* Add a `Num` instance for `Dynamic`.
53* Add a `Num` instance for `Dynamic`.
144−
145* Add `matchRequestsWithResponses` to make it easier to use `Requester` with protocols that don't do this matching for you.
54* Add `matchRequestsWithResponses` to make it easier to use `Requester` with protocols that don't do this matching for you.
146−
147* Add `withRequesterT` to map functions over the request and response of a `RequesterT`.
55* Add `withRequesterT` to map functions over the request and response of a `RequesterT`.
148−
149* Suppress nil patches in `QueryT` as an optimization. The `Query` type must now have an `Eq` instance.
56* Suppress nil patches in `QueryT` as an optimization. The `Query` type must now have an `Eq` instance.
150−
151* Add `throttleBatchWithLag` to `Reflex.Time`. See that module for details.
57* Add `throttleBatchWithLag` to `Reflex.Time`. See that module for details.
Quickref.md+11−15
@@ -54,7 +54,6 @@ Since MonadHold depends on MonadSample, any [S] function also runs in [H] contex
54[ ] difference :: Event a -> Event b -> Event a
54[ ] difference :: Event a -> Event b -> Event a
55[ ] align :: Event a -> Event b -> Event (These a b)
55[ ] align :: Event a -> Event b -> Event (These a b)
56[ ] alignWith :: (These a b -> c) -> Event a -> Event b -> Event c
56[ ] alignWith :: (These a b -> c) -> Event a -> Event b -> Event c
57− -- Note align functions from Data.Align in semialign package
58[ ] mergeWith :: (a -> a -> a) -> [Event a] -> Event a
57[ ] mergeWith :: (a -> a -> a) -> [Event a] -> Event a
59[ ] leftmost :: [Event a] -> Event a
58[ ] leftmost :: [Event a] -> Event a
60[ ] mergeList :: [Event a] -> Event (NonEmpty a)
59[ ] mergeList :: [Event a] -> Event (NonEmpty a)
@@ -199,7 +198,7 @@ For Events, the returned Event fires whenever the latest Event supplied by the w
199The functions mentioned above are used to create a static FRP network.
198The functions mentioned above are used to create a static FRP network.
200There are additional typeclasses that can be used to modify the FRP network, to have it interact with IO action, or to introspect the building of the network.
199There are additional typeclasses that can be used to modify the FRP network, to have it interact with IO action, or to introspect the building of the network.
201
200
202−The typeclasses and their associated annotations include:
201+Th typeclasses and their associated annotations include:
203
202
204- `PostBuild`
203- `PostBuild`
205 Fire an Event when an FRP network has been set up.
204 Fire an Event when an FRP network has been set up.
@@ -207,7 +206,7 @@ The typeclasses and their associated annotations include:
207 [B] -- Function runs in any monad supporting PostBuild
206 [B] -- Function runs in any monad supporting PostBuild
208 ```
207 ```
209
208
210−- `Adjustable`
209+- `Adjustable`
211 Use Events to add or remove pieces of an FRP network.
210 Use Events to add or remove pieces of an FRP network.
212 ```haskell
211 ```haskell
213 [A] -- Function runs in any monad supporting Adjustable
212 [A] -- Function runs in any monad supporting Adjustable
@@ -272,7 +271,7 @@ The typeclasses and their associated annotations include:
272```haskell
271```haskell
273-- Run side-effecting actions in Event when it occurs; returned Event contains
272-- Run side-effecting actions in Event when it occurs; returned Event contains
274-- results. Side effects run in the (Performable m) monad which is associated with
273-- results. Side effects run in the (Performable m) monad which is associated with
275−-- the (PerformEvent t m) typeclass constraint.
274+-- the (PerformEvent t m) typeclass constraint.
276-- This allows for working with IO when a ((MonadIO (Performable m)) constraint is available.
275-- This allows for working with IO when a ((MonadIO (Performable m)) constraint is available.
277[P] performEvent :: Event (Performable m a ) -> m (Event a)
276[P] performEvent :: Event (Performable m a ) -> m (Event a)
278
277
@@ -296,20 +295,17 @@ The typeclasses and their associated annotations include:
296## Networks
295## Networks
297
296
298```haskell
297```haskell
299−-- Functions from Reflex.Adjustable / Reflex.Network used to deal with Dynamics/Events carrying (m a)
298+-- Functions from Reflex.Network used to deal with Dynamics/Events carrying (m a)
300
299
301−[A] runWithReplace :: m a -> Event t (m b) -> m (a, Event t b)
302−
303−-- Given a Dynamic of network-creating actions, create a network that is recreated whenever the Dynamic updates.
300+-- Given a Dynamic of network-creating actions, create a network that is recreated whenever the Dynamic updates.
304−-- The returned Event of network results occurs when the Dynamic does. Note: Often, the type a is an Event,
301+-- The returned Event of network results occurs when the Dynamic does. Note: Often, the type a is an Event,
305-- in which case the return value is an Event-of-Events that would typically be flattened (via switchHold).
302-- in which case the return value is an Event-of-Events that would typically be flattened (via switchHold).
306−[P,A] networkView :: Dynamic (m a) -> m (Event a)
303+[P,A] networkView :: Dynamic (m a) -> m (Event a)
307
304
308−-- Given an initial network and an Event of network-creating actions, create a network that is recreated whenever the
305+-- Given an initial network and an Event of network-creating actions, create a network that is recreated whenever the
309−-- Event fires. The returned Dynamic of network results occurs when the Event does. Note: Often, the type a is an
306+-- Event fires. The returned Dynamic of network results occurs when the Event does. Note: Often, the type a is an
310-- Event, in which case the return value is a Dynamic-of-Events that would typically be flattened.
307-- Event, in which case the return value is a Dynamic-of-Events that would typically be flattened.
311−[H,A] networkHold :: m a -> Event (m a) -> m (Dynamic a)
308+[H,A] networkHold :: m a -> Event (m a) -> m (Dynamic a)
312
309
313-- Render a placeholder network to be shown while another network is not yet done building
310-- Render a placeholder network to be shown while another network is not yet done building
314−[P,A] untilReady :: m a -> m b -> m (a, Event b)
311+[P,A] untilReady :: m a -> m b -> m (a, Event b)
315−```
README.md+17−15
@@ -1,23 +1,25 @@
1−# [Reflex](https://reflex-frp.org/)
1+## [Reflex](https://reflex-frp.org/)
2
2
3−[![Haskell](https://img.shields.io/badge/language-Haskell-orange.svg)](https://haskell.org) [![Hackage](https://img.shields.io/hackage/v/reflex.svg)](https://hackage.haskell.org/package/reflex) [![Hackage CI](https://matrix.hackage.haskell.org/api/v2/packages/reflex/badge)](https://matrix.hackage.haskell.org/#/package/reflex) [![BSD3 License](https://img.shields.io/badge/license-BSD3-blue.svg)](https://github.com/reflex-frp/reflex/blob/master/LICENSE)
3+[![Hackage](https://img.shields.io/hackage/v/reflex.svg)](http://hackage.haskell.org/package/reflex)
4
4
5−Interactive programs without callbacks or side-effects. Functional Reactive Programming (FRP) uses composable events and time-varying values to describe interactive systems as pure functions. Just like other pure functional code, functional reactive code is easier to get right on the first try, maintain, and reuse.
5+### Practical Functional Reactive Programming
6
6
7−Reflex is a fully-deterministic, higher-order Functional Reactive Programming interface and an engine that efficiently implements that interface.
7+Reflex is a fully-deterministic, higher-order Functional Reactive Programming (FRP) interface and an engine that efficiently implements that interface.
8
8
9−**Visit https://reflex-frp.org for more information, tutorials, documentation and [examples](https://examples.reflex-frp.org/).**
9+[Reflex-DOM](https://github.com/reflex-frp/reflex-dom) is a framework built on Reflex that facilitates the development of web pages, including highly-interactive single-page apps.
10
10
11−## Resources
11+A summary of Reflex functions is available in the [quick reference](Quickref.md).
12
12
13−* [Official Website](https://reflex-frp.org)
13+**Visit https://reflex-frp.org/ for more information, tutorials, documentation and [examples](https://examples.reflex-frp.org/).**
14−* [Quick Reference](Quickref.md)
15−* [Reflex-DOM](https://github.com/reflex-frp/reflex-dom): A framework built on Reflex that facilitates the development of web pages, including highly-interactive single-page apps.
16−* [Obelisk](https://github.com/obsidiansystems/obelisk#obelisk): A framework built on Reflex and Reflex-DOM for functional reactive web and mobile applications, with batteries included.
17−* [Get started with Reflex](https://github.com/reflex-frp/reflex-platform)
18−* [/r/reflexfrp](https://www.reddit.com/r/reflexfrp)
19−* [irc.freenode.net #reflex-frp](http://webchat.freenode.net?channels=%23reflex-frp&uio=d4)
20
14
21−## Hacking
15+### Resources
16+[Get started with Reflex](https://github.com/reflex-frp/reflex-platform)
22
17
23−From the root of a [Reflex Platform](https://github.com/reflex-frp/reflex-platform) checkout, run `./scripts/hack-on haskell-overlays/reflex-packages/dep/reflex`. This will check out the reflex source code into the `haskell-overlays/reflex-packages/dep/reflex` directory. You can then point that checkout at your fork, make changes, etc. Use the `./try-reflex` or `./scripts/work-on` scripts to start a shell in which you can test your changes.
18+[/r/reflexfrp](https://www.reddit.com/r/reflexfrp)
19+
20+[irc.freenode.net #reflex-frp](http://webchat.freenode.net?channels=%23reflex-frp&uio=d4)
21+
22+### Hacking
23+
24+Use the `./scripts/hack-on reflex` script in [Reflex Platform](https://github.com/reflex-frp/reflex-platform) to checkout the source code of `reflex` locally in `reflex-platform/reflex` directory.
25+Then do modifications to the source in place, and use the `./try-reflex` or `./scripts/work-on` scripts to create the shell to test your changes.
cabal.haskell-ci−7
@@ -10,14 +10,7 @@ constraint-set no-th
10 constraints: reflex -use-template-haskell
10 constraints: reflex -use-template-haskell
11
11
12constraint-set old-these
12constraint-set old-these
13− ghc: <8.8
14 constraints: these <1
13 constraints: these <1
15
14
16constraint-set old-witherable
15constraint-set old-witherable
17 constraints: witherable <0.3.2
16 constraints: witherable <0.3.2
18−
19−constraint-set debug-propagation
20− constraints: reflex +debug-propagation
21−
22−constraint-set debug-cycles
23− constraints: reflex +debug-cycles
cabal.project.freezenew file+1
@@ -0,0 +1 @@
1+constraints: any.text < 1.2.4.0
default.nixnew file+43
@@ -0,0 +1,43 @@
1+{ mkDerivation, ghc, base, bifunctors, containers, deepseq
2+, dependent-map, dependent-sum, exception-transformers
3+, haskell-src-exts, haskell-src-meta, hlint, lens, MemoTrie
4+, monad-control, mtl, primitive, random, ref-tf
5+, semigroupoids , semigroups, split, stdenv, stm, syb
6+, template-haskell , these, time, transformers
7+, transformers-compat, unbounded-delays, prim-uniq
8+, data-default, filepath, directory, filemanip, ghcjs-base
9+, monoidal-containers, witherable, profunctors
10+, semialign ? null, splitThese ? (semialign != null)
11+, useTemplateHaskell ? true
12+}:
13+mkDerivation {
14+ pname = "reflex";
15+ version = "0.6.2.4";
16+ src = builtins.filterSource (path: type: !(builtins.elem (baseNameOf path) [ ".git" "dist" ])) ./.;
17+ libraryHaskellDepends = [
18+ base bifunctors containers dependent-map dependent-sum
19+ exception-transformers lens
20+ MemoTrie monad-control mtl primitive ref-tf semigroupoids
21+ semigroups stm syb template-haskell these transformers
22+ transformers-compat prim-uniq
23+ base bifunctors containers deepseq dependent-map dependent-sum
24+ mtl ref-tf split transformers data-default
25+ random time unbounded-delays monoidal-containers witherable
26+ profunctors
27+ ] ++ (if ghc.isGhcjs or false then [
28+ ghcjs-base
29+ ] else []) ++ (if !useTemplateHaskell then [] else [
30+ haskell-src-exts haskell-src-meta
31+ ]) ++ (if splitThese then [
32+ semialign
33+ ] else []);
34+ testHaskellDepends = if ghc.isGhcjs or false then [] else [
35+ hlint filepath directory filemanip
36+ ];
37+ configureFlags =
38+ stdenv.lib.optional (!useTemplateHaskell) [ "-f-use-template-haskell" ] ++
39+ stdenv.lib.optional (!splitThese) [ "-f-split-these" ];
40+ homepage = "https://github.com/reflex-frp/reflex";
41+ description = "Higher-order Functional Reactive Programming";
42+ license = stdenv.lib.licenses.bsd3;
43+}
dep/reflex-platform/default.nixdeleted−7
@@ -1,7 +0,0 @@
1−# DO NOT HAND-EDIT THIS FILE
2−import ((import <nixpkgs> {}).fetchFromGitHub (
3− let json = builtins.fromJSON (builtins.readFile ./github.json);
4− in { inherit (json) owner repo rev sha256;
5− private = json.private or false;
6− }
7−))
dep/reflex-platform/github.jsondeleted−7
@@ -1,7 +0,0 @@
1−{
2− "owner": "reflex-frp",
3− "repo": "reflex-platform",
4− "branch": "develop",
5− "rev": "f628398d076243a0851b27e625b37f65dff9b89b",
6− "sha256": "0sl0hf1glgyb1vmf2mhw4r9ipmcqk1y19d3wsic7dix2jwywzrh9"
7−}
hydra.jsonnew file+29
@@ -0,0 +1,29 @@
1+{
2+ "enabled": 1,
3+ "hidden": true,
4+ "description": "Jobsets",
5+ "nixexprinput": "src",
6+ "nixexprpath": "jobsets.nix",
7+ "checkinterval": 300,
8+ "schedulingshares": 100,
9+ "enableemail": false,
10+ "emailoverride": "",
11+ "keepnr": 10,
12+ "inputs": {
13+ "src": {
14+ "type": "git",
15+ "value": "https://github.com/reflex-frp/reflex.git develop",
16+ "emailresponsible": false
17+ },
18+ "nixpkgs": {
19+ "type": "git",
20+ "value": "https://github.com/NixOS/nixpkgs-channels nixos-unstable",
21+ "emailresponsible": false
22+ },
23+ "prs": {
24+ "type": "githubpulls",
25+ "value": "reflex-frp reflex",
26+ "emailresponsible": false
27+ }
28+ }
29+}
jobsets.nixnew file+70
@@ -0,0 +1,70 @@
1+{ prs }:
2+
3+let
4+ pkgs = (import ./reflex-platform.nix {}).nixpkgs;
5+ mkFetchGithub = value: {
6+ inherit value;
7+ type = "git";
8+ emailresponsible = false;
9+ };
10+in
11+with pkgs.lib;
12+let
13+ defaults = jobs: {
14+ inherit (jobs) description;
15+ enabled = 1;
16+ hidden = false;
17+ keepnr = 10;
18+ schedulingshares = 100;
19+ checkinterval = 120;
20+ enableemail = false;
21+ emailoverride = "";
22+ nixexprinput = "reflex";
23+ nixexprpath = "release.nix";
24+ inputs = jobs.inputs // {
25+ nixpkgs = {
26+ type = "git";
27+ value = "https://github.com/NixOS/nixpkgs-channels nixos-unstable";
28+ emailresponsible = false;
29+ };
30+ config = {
31+ type = "nix";
32+ value = "{ android_sdk.accept_license = true; }";
33+ emailresponsible = false;
34+ };
35+ };
36+ };
37+ branchJobset = branch: defaults {
38+ description = "reflex-${branch}";
39+ inputs = {
40+ reflex = {
41+ value = "https://github.com/reflex-frp/reflex ${branch}";
42+ type = "git";
43+ emailresponsible = false;
44+ };
45+ };
46+ };
47+ makePr = num: info: {
48+ name = "reflex-pr-${num}";
49+ value = defaults {
50+ description = "#${num}: ${info.title}";
51+ inputs = {
52+ reflex = {
53+ #NOTE: This should really use "pull/${num}/merge"; however, GitHub's
54+ #status checks only operate on PR heads. This creates a race
55+ #condition, which can currently only be solved by requiring PRs to be
56+ #up to date before they're merged. See
57+ #https://github.com/isaacs/github/issues/1002
58+ value = "https://github.com/reflex-frp/reflex pull/${num}/head";
59+ type = "git";
60+ emailresponsible = false;
61+ };
62+ };
63+ };
64+ };
65+ processedPrs = mapAttrs' makePr (builtins.fromJSON (builtins.readFile prs));
66+ jobsetsAttrs = processedPrs //
67+ genAttrs ["develop"] branchJobset;
68+in {
69+ jobsets = pkgs.writeText "spec.json" (builtins.toJSON jobsetsAttrs);
70+}
reflex-platform.nixnew file+8
@@ -0,0 +1,8 @@
1+let
2+ reflex-platform-src = (import <nixpkgs> {}).fetchFromGitHub {
3+ owner = "reflex-frp";
4+ repo = "reflex-platform";
5+ rev = "384cd850f3adf1d404bced2424b5f6efb0f415f2";
6+ sha256 = "1ws77prqx8khmp8j6br1ij4k2v4dlgv170r9fmg0p1jivfbn8y9d";
7+ };
8+in import reflex-platform-src
reflex.cabal+36−136
@@ -1,17 +1,7 @@
1Name: reflex
1Name: reflex
2−Version: 0.8.2.0
2+Version: 0.6.2.4
3Synopsis: Higher-order Functional Reactive Programming
3Synopsis: Higher-order Functional Reactive Programming
4−Description:
5− Interactive programs without callbacks or side-effects.
6− Functional Reactive Programming (FRP) uses composable events and time-varying
7− values to describe interactive systems as pure functions.
8− Just like other pure functional code, functional reactive code is easier
9− to get right on the first try, maintain, and reuse.
10− .
11− Reflex is a fully-deterministic, higher-order Functional Reactive Programming
4+Description: Reflex is a high-performance, deterministic, higher-order Functional Reactive Programming system
12− interface and an engine that efficiently implements that interface.
13− .
14− <https://reflex-frp.org>
15License: BSD3
5License: BSD3
16License-file: LICENSE
6License-file: LICENSE
17Author: Ryan Trinkle
7Author: Ryan Trinkle
@@ -19,7 +9,7 @@ Maintainer: ryan.trinkle@gmail.com
19Stability: Experimental
9Stability: Experimental
20Category: FRP
10Category: FRP
21Build-type: Simple
11Build-type: Simple
22−Cabal-version: 1.22
12+Cabal-version: >=1.9.2
23homepage: https://reflex-frp.org
13homepage: https://reflex-frp.org
24bug-reports: https://github.com/reflex-frp/reflex/issues
14bug-reports: https://github.com/reflex-frp/reflex/issues
25extra-source-files:
15extra-source-files:
@@ -28,8 +18,8 @@ extra-source-files:
28 ChangeLog.md
18 ChangeLog.md
29
19
30tested-with:
20tested-with:
31− GHC ==8.4.4 || ==8.6.5 || ==8.8.1 || ==8.10.2,
21+ GHC ==8.0.2 || ==8.2.2 || ==8.4.4 || ==8.6.5,
32− GHCJS ==8.6
22+ GHCJS ==8.4
33
23
34flag use-reflex-optimizer
24flag use-reflex-optimizer
35 description: Use the GHC plugin Reflex.Optimizer on some of the modules in the package. This is still experimental.
25 description: Use the GHC plugin Reflex.Optimizer on some of the modules in the package. This is still experimental.
@@ -51,57 +41,44 @@ flag fast-weak
51 default: False
41 default: False
52 manual: True
42 manual: True
53
43
54−flag debug-propagation
55− description: Enable debugging of spider internals
56− default: False
57− manual: True
58−
59−flag debug-cycles
60− description: Enable debugging of event cycles
61− default: False
62− manual: True
63−
64flag split-these
44flag split-these
65 description: Use split these/semialign packages
45 description: Use split these/semialign packages
66 manual: False
46 manual: False
67 default: True
47 default: True
68
48
69library
49library
70− default-language: Haskell2010
71 hs-source-dirs: src
50 hs-source-dirs: src
72 build-depends:
51 build-depends:
73 MemoTrie == 0.6.*,
52 MemoTrie == 0.6.*,
74− base >= 4.11 && < 4.15,
53+ base >= 4.9 && < 4.13,
75 bifunctors >= 5.2 && < 5.6,
54 bifunctors >= 5.2 && < 5.6,
76 comonad >= 5.0.4 && < 5.1,
55 comonad >= 5.0.4 && < 5.1,
77− constraints >= 0.10 && <0.14,
78 constraints-extras >= 0.3 && < 0.4,
56 constraints-extras >= 0.3 && < 0.4,
79 containers >= 0.6 && < 0.7,
57 containers >= 0.6 && < 0.7,
80 data-default >= 0.5 && < 0.8,
58 data-default >= 0.5 && < 0.8,
81− dependent-map >= 0.3 && < 0.5,
59+ dependent-map >= 0.3 && < 0.4,
82 exception-transformers == 0.4.*,
60 exception-transformers == 0.4.*,
61+ profunctors >= 5.3 && < 5.5,
83 lens >= 4.7 && < 5,
62 lens >= 4.7 && < 5,
84− mmorph >= 1.0 && < 1.2,
85 monad-control >= 1.0.1 && < 1.1,
63 monad-control >= 1.0.1 && < 1.1,
86 mtl >= 2.1 && < 2.3,
64 mtl >= 2.1 && < 2.3,
87− patch >= 0.0.1 && < 0.1,
88− prim-uniq >= 0.1.0.1 && < 0.3,
65+ prim-uniq >= 0.1.0.1 && < 0.2,
89 primitive >= 0.5 && < 0.8,
66 primitive >= 0.5 && < 0.8,
90− profunctors >= 5.3 && < 5.7,
67+ profunctors,
91 random == 1.1.*,
68 random == 1.1.*,
92 ref-tf == 0.4.*,
69 ref-tf == 0.4.*,
93 reflection == 2.1.*,
70 reflection == 2.1.*,
94 semigroupoids >= 4.0 && < 6,
71 semigroupoids >= 4.0 && < 6,
95 stm >= 2.4 && < 2.6,
72 stm >= 2.4 && < 2.6,
96 syb >= 0.5 && < 0.8,
73 syb >= 0.5 && < 0.8,
97− time >= 1.4 && < 1.10,
74+ time >= 1.4 && < 1.9,
98 transformers >= 0.5.6.0 && < 0.6,
75 transformers >= 0.5.6.0 && < 0.6,
99 unbounded-delays >= 0.1.0.0 && < 0.2,
76 unbounded-delays >= 0.1.0.0 && < 0.2,
100− witherable >= 0.3 && < 0.5
77+ witherable >= 0.3 && < 0.3.2
101
78
102 if flag(split-these)
79 if flag(split-these)
103− build-depends: these >= 1 && <1.2,
80+ build-depends: these >= 1 && <1.1,
104− semialign >=1 && <1.2,
81+ semialign >=1 && <1.1,
105 monoidal-containers >= 0.6 && < 0.7
82 monoidal-containers >= 0.6 && < 0.7
106 else
83 else
107 build-depends: these >= 0.4 && <0.9,
84 build-depends: these >= 0.4 && <0.9,
@@ -112,6 +89,7 @@ library
112 Data.AppendMap,
89 Data.AppendMap,
113 Data.FastMutableIntMap,
90 Data.FastMutableIntMap,
114 Data.FastWeakBag,
91 Data.FastWeakBag,
92+ Data.Functor.Misc,
115 Data.Map.Misc,
93 Data.Map.Misc,
116 Data.WeakBag,
94 Data.WeakBag,
117 Reflex,
95 Reflex,
@@ -131,9 +109,15 @@ library
131 Reflex.FastWeak,
109 Reflex.FastWeak,
132 Reflex.FunctorMaybe,
110 Reflex.FunctorMaybe,
133 Reflex.Host.Class,
111 Reflex.Host.Class,
134− Reflex.Host.Headless,
135 Reflex.Network,
112 Reflex.Network,
136 Reflex.NotReady.Class,
113 Reflex.NotReady.Class,
114+ Reflex.Patch,
115+ Reflex.Patch.Class,
116+ Reflex.Patch.DMap,
117+ Reflex.Patch.DMapWithMove,
118+ Reflex.Patch.IntMap,
119+ Reflex.Patch.Map,
120+ Reflex.Patch.MapWithMove,
137 Reflex.PerformEvent.Base,
121 Reflex.PerformEvent.Base,
138 Reflex.PerformEvent.Class,
122 Reflex.PerformEvent.Class,
139 Reflex.PostBuild.Base,
123 Reflex.PostBuild.Base,
@@ -152,57 +136,38 @@ library
152 Reflex.Widget.Basic,
136 Reflex.Widget.Basic,
153 Reflex.Workflow
137 Reflex.Workflow
154
138
155− reexported-modules:
156− patch:Data.Functor.Misc,
157− patch:Data.Patch as Reflex.Patch,
158− patch:Data.Patch.Class as Reflex.Patch.Class,
159− patch:Data.Patch.DMap as Reflex.Patch.DMap,
160− patch:Data.Patch.DMapWithMove as Reflex.Patch.DMapWithMove,
161− patch:Data.Patch.IntMap as Reflex.Patch.IntMap,
162− patch:Data.Patch.Map as Reflex.Patch.Map,
163− patch:Data.Patch.MapWithMove as Reflex.Patch.MapWithMove
164−
165 ghc-options: -Wall -fwarn-redundant-constraints -fwarn-tabs -funbox-strict-fields -O2 -fspecialise-aggressively
139 ghc-options: -Wall -fwarn-redundant-constraints -fwarn-tabs -funbox-strict-fields -O2 -fspecialise-aggressively
166
140
167 if flag(debug-trace-events)
141 if flag(debug-trace-events)
168 cpp-options: -DDEBUG_TRACE_EVENTS
142 cpp-options: -DDEBUG_TRACE_EVENTS
169− build-depends:
143+ build-depends: bytestring
170− bytestring >= 0.10.8 && < 0.11
171
144
172 if flag(use-reflex-optimizer)
145 if flag(use-reflex-optimizer)
173 cpp-options: -DUSE_REFLEX_OPTIMIZER
146 cpp-options: -DUSE_REFLEX_OPTIMIZER
174 build-depends: ghc
147 build-depends: ghc
175 exposed-modules: Reflex.Optimizer
148 exposed-modules: Reflex.Optimizer
176
149
177− if flag(debug-propagation)
178− cpp-options: -DDEBUG -DDEBUG_TRACE_PROPAGATION -DDEBUG_TRACE_INVALIDATION
179−
180− if flag(debug-cycles)
181− cpp-options: -DDEBUG_CYCLES
182−
183 if flag(use-template-haskell)
150 if flag(use-template-haskell)
184 cpp-options: -DUSE_TEMPLATE_HASKELL
151 cpp-options: -DUSE_TEMPLATE_HASKELL
185 build-depends:
152 build-depends:
186− dependent-sum >= 0.6 && < 0.8,
153+ dependent-sum >= 0.6 && < 0.7,
187− haskell-src-exts >= 1.16 && < 1.24,
154+ haskell-src-exts >= 1.16 && < 1.22,
188 haskell-src-meta >= 0.6 && < 0.9,
155 haskell-src-meta >= 0.6 && < 0.9,
189− template-haskell >= 2.9 && < 2.17
156+ template-haskell >= 2.9 && < 2.15
190 exposed-modules:
157 exposed-modules:
191 Reflex.Dynamic.TH
158 Reflex.Dynamic.TH
192 other-extensions: TemplateHaskell
159 other-extensions: TemplateHaskell
193 else
160 else
194 build-depends:
161 build-depends:
195− dependent-sum >= 0.6 && < 0.8
162+ dependent-sum >= 0.6 && < 0.7
196
163
197 if flag(fast-weak) && impl(ghcjs)
164 if flag(fast-weak) && impl(ghcjs)
198 cpp-options: -DGHCJS_FAST_WEAK
165 cpp-options: -DGHCJS_FAST_WEAK
199
166
200 if impl(ghcjs)
167 if impl(ghcjs)
201− build-depends:
168+ build-depends: ghcjs-base
202− ghcjs-base == 0.2.*
203
169
204test-suite semantics
170test-suite semantics
205− default-language: Haskell2010
206 type: exitcode-stdio-1.0
171 type: exitcode-stdio-1.0
207 main-is: semantics.hs
172 main-is: semantics.hs
208 hs-source-dirs: test
173 hs-source-dirs: test
@@ -228,7 +193,6 @@ test-suite semantics
228 Reflex.TestPlan
193 Reflex.TestPlan
229
194
230test-suite CrossImpl
195test-suite CrossImpl
231− default-language: Haskell2010
232 type: exitcode-stdio-1.0
196 type: exitcode-stdio-1.0
233 main-is: Reflex/Test/CrossImpl.hs
197 main-is: Reflex/Test/CrossImpl.hs
234 hs-source-dirs: test
198 hs-source-dirs: test
@@ -250,7 +214,6 @@ test-suite CrossImpl
250 Reflex.Plan.Pure
214 Reflex.Plan.Pure
251
215
252test-suite hlint
216test-suite hlint
253− default-language: Haskell2010
254 type: exitcode-stdio-1.0
217 type: exitcode-stdio-1.0
255 main-is: hlint.hs
218 main-is: hlint.hs
256 hs-source-dirs: test
219 hs-source-dirs: test
@@ -258,15 +221,11 @@ test-suite hlint
258 , directory
221 , directory
259 , filepath
222 , filepath
260 , filemanip
223 , filemanip
261− if impl(ghc >= 8.8)
262− build-depends: hlint >= 3 && < 4
263− else
264− build-depends: hlint (< 2.1 || >= 2.2.2) && < 4
224+ , hlint < 2.1 || >= 2.2.2
265 if impl(ghcjs)
225 if impl(ghcjs)
266 buildable: False
226 buildable: False
267
227
268test-suite EventWriterT
228test-suite EventWriterT
269− default-language: Haskell2010
270 type: exitcode-stdio-1.0
229 type: exitcode-stdio-1.0
271 main-is: EventWriterT.hs
230 main-is: EventWriterT.hs
272 hs-source-dirs: test
231 hs-source-dirs: test
@@ -286,57 +245,28 @@ test-suite EventWriterT
286 build-depends: these-lens
245 build-depends: these-lens
287
246
288 other-modules:
247 other-modules:
289− Test.Run
248+ Reflex.Test
290−
249+ Reflex.TestPlan
291−
250+ Reflex.Plan.Reflex
292−test-suite DebugCycles
251+ Reflex.Plan.Pure
293− default-language: Haskell2010
294− type: exitcode-stdio-1.0
295− main-is: DebugCycles.hs
296− hs-source-dirs: test
297− ghc-options: -threaded
298− build-depends: base
299− , containers
300− , deepseq
301− , dependent-map
302− , dependent-sum
303− , hspec
304− , lens
305− , mtl
306− , these
307− , transformers
308− , reflex
309− , ref-tf
310− , witherable
311− , proctest
312−
313−
314− if flag(split-these)
315− build-depends: these-lens, semialign
316−
317− other-modules:
318 Test.Run
252 Test.Run
319
253
320
254
321test-suite RequesterT
255test-suite RequesterT
322− default-language: Haskell2010
323 type: exitcode-stdio-1.0
256 type: exitcode-stdio-1.0
324 main-is: RequesterT.hs
257 main-is: RequesterT.hs
325 hs-source-dirs: test
258 hs-source-dirs: test
326 build-depends: base
259 build-depends: base
327− , constraints
328− , constraints-extras
329 , containers
260 , containers
330 , deepseq
261 , deepseq
331− , dependent-map
332 , dependent-sum
262 , dependent-sum
263+ , dependent-map
333 , lens
264 , lens
334 , mtl
265 , mtl
335− , ref-tf
336− , reflex
337− , text
338 , these
266 , these
339 , transformers
267 , transformers
268+ , reflex
269+ , ref-tf
340
270
341 if flag(split-these)
271 if flag(split-these)
342 build-depends: these-lens
272 build-depends: these-lens
@@ -346,31 +276,7 @@ test-suite RequesterT
346 Reflex.Plan.Pure
276 Reflex.Plan.Pure
347 Test.Run
277 Test.Run
348
278
349−test-suite Headless
350− default-language: Haskell2010
351− type: exitcode-stdio-1.0
352− main-is: Headless.hs
353− hs-source-dirs: test
354− build-depends: base
355− , reflex
356−
357−test-suite Adjustable
358− default-language: Haskell2010
359− type: exitcode-stdio-1.0
360− main-is: Adjustable.hs
361− hs-source-dirs: test
362− build-depends: base
363− , containers
364− , dependent-sum
365− , reflex
366− , ref-tf
367− , these
368−
369− other-modules:
370− Test.Run
371−
372test-suite QueryT
279test-suite QueryT
373− default-language: Haskell2010
374 type: exitcode-stdio-1.0
280 type: exitcode-stdio-1.0
375 main-is: QueryT.hs
281 main-is: QueryT.hs
376 hs-source-dirs: test
282 hs-source-dirs: test
@@ -382,7 +288,6 @@ test-suite QueryT
382 , lens
288 , lens
383 , monoidal-containers
289 , monoidal-containers
384 , mtl
290 , mtl
385− , patch
386 , ref-tf
291 , ref-tf
387 , reflex
292 , reflex
388 , these
293 , these
@@ -398,7 +303,6 @@ test-suite QueryT
398 Reflex.Plan.Pure
303 Reflex.Plan.Pure
399
304
400test-suite GC-Semantics
305test-suite GC-Semantics
401− default-language: Haskell2010
402 type: exitcode-stdio-1.0
306 type: exitcode-stdio-1.0
403 main-is: GC.hs
307 main-is: GC.hs
404 hs-source-dirs: test
308 hs-source-dirs: test
@@ -408,7 +312,6 @@ test-suite GC-Semantics
408 , dependent-map
312 , dependent-map
409 , deepseq
313 , deepseq
410 , mtl
314 , mtl
411− , patch
412 , these
315 , these
413 , transformers
316 , transformers
414 , reflex
317 , reflex
@@ -424,7 +327,6 @@ test-suite GC-Semantics
424 Test.Run
327 Test.Run
425
328
426test-suite rootCleanup
329test-suite rootCleanup
427− default-language: Haskell2010
428 type: exitcode-stdio-1.0
330 type: exitcode-stdio-1.0
429 main-is: rootCleanup.hs
331 main-is: rootCleanup.hs
430 hs-source-dirs: test
332 hs-source-dirs: test
@@ -442,7 +344,6 @@ test-suite rootCleanup
442 Test.Run
344 Test.Run
443
345
444benchmark spider-bench
346benchmark spider-bench
445− default-language: Haskell2010
446 type: exitcode-stdio-1.0
347 type: exitcode-stdio-1.0
447 hs-source-dirs: bench test
348 hs-source-dirs: bench test
448 main-is: Main.hs
349 main-is: Main.hs
@@ -467,7 +368,6 @@ benchmark spider-bench
467 Reflex.Bench.Focused
368 Reflex.Bench.Focused
468
369
469benchmark saulzar-bench
370benchmark saulzar-bench
470− default-language: Haskell2010
471 type: exitcode-stdio-1.0
371 type: exitcode-stdio-1.0
472 hs-source-dirs: bench test
372 hs-source-dirs: bench test
473 c-sources: bench-cbits/checkCapability.c
373 c-sources: bench-cbits/checkCapability.c
release.nix+7−56
@@ -1,58 +1,9 @@
1−{ reflex-platform-fun ? import ./dep/reflex-platform
1+{ rp ? import ./reflex-platform.nix {}
2−, supportedSystems ? ["x86_64-linux" "x86_64-darwin"]
3}:
2}:
4−
5let
3let
6− native-reflex-platform = reflex-platform-fun {};
7− inherit (native-reflex-platform.nixpkgs) lib;
4+ inherit (rp.nixpkgs) lib;
8−
5+ compilers = ["ghc8_4" "ghc8_0" "ghcjs8_4" "ghcjs8_0"];
9− perPlatform = lib.genAttrs supportedSystems (system: let
6+in lib.attrValues (lib.genAttrs compilers (ghc: {
10− reflex-platform = reflex-platform-fun { inherit system; };
7+ reflex-useTemplateHaskell = rp.${ghc}.callPackage ./. { useTemplateHaskell = true; splitThese = false; };
11− compilers = [
8+ reflex = rp.${ghc}.callPackage ./. { useTemplateHaskell = false; splitThese = false; };
12− "ghc"
9+}))
13− "ghcjs"
14− ] ++ lib.optionals (reflex-platform.androidSupport) [
15− "ghcAndroidAarch64"
16− "ghcAndroidAarch32"
17− ] ++ lib.optionals (reflex-platform.iosSupport) [
18− "ghcIosAarch64"
19− ];
20− variations = map (v: "reflex" + v) [
21− "-dontUseTemplateHaskell"
22− ""
23− ];
24− compilerPkgs = lib.genAttrs compilers (ghc: let
25− variationPkgs = lib.genAttrs variations (variation: let
26− reflex-platform = reflex-platform-fun {
27− inherit system;
28− __useTemplateHaskell = variation == "reflex"; # TODO hack
29− haskellOverlays = [
30− # Use this package's source for reflex
31− (self: super: {
32− _dep = super._dep // {
33− reflex = builtins.filterSource (path: type: !(builtins.elem (baseNameOf path) [
34− "release.nix"
35− ".git"
36− "dist"
37− "cabal.haskell-ci"
38− "cabal.project"
39− ".travis.yml"
40− ])) ./.;
41− };
42− })
43− ];
44− };
45− in reflex-platform.${ghc}.reflex);
46− in variationPkgs // {
47− cache = reflex-platform.pinBuildInputs "reflex-${system}-${ghc}"
48− (builtins.attrValues variationPkgs);
49− });
50− in compilerPkgs // {
51− cache = reflex-platform.pinBuildInputs "reflex-${system}"
52− (map (a: a.cache) (builtins.attrValues compilerPkgs));
53− });
54−
55− metaCache = native-reflex-platform.pinBuildInputs "reflex-everywhere"
56− (map (a: a.cache) (builtins.attrValues perPlatform));
57−
58−in perPlatform // { inherit metaCache; }
src/Control/Monad/ReaderIO.hs+1−1
@@ -37,7 +37,7 @@ instance Applicative (ReaderIO e) where
37#if MIN_VERSION_base(4,10,0)
37#if MIN_VERSION_base(4,10,0)
38 liftA2 = liftM2
38 liftA2 = liftM2
39 {-# INLINE liftA2 #-}
39 {-# INLINE liftA2 #-}
40−#endif
40+#endif
41 (*>) = (>>)
41 (*>) = (>>)
42 {-# INLINE (*>) #-}
42 {-# INLINE (*>) #-}
43
43
src/Data/AppendMap.hs+3−5
@@ -20,7 +20,7 @@ module Data.AppendMap
20 , module Data.Map.Monoidal
20 , module Data.Map.Monoidal
21 ) where
21 ) where
22
22
23−import Prelude hiding (null)
23+import Prelude hiding (map, null)
24
24
25import Data.Coerce
25import Data.Coerce
26import Data.Default
26import Data.Default
@@ -32,8 +32,6 @@ import qualified Data.Map as Map (showTree, showTreeWith)
32#endif
32#endif
33import qualified Data.Witherable as W
33import qualified Data.Witherable as W
34import Data.Map.Monoidal
34import Data.Map.Monoidal
35−import qualified Data.Map.Monoidal as MonoidalMap
36−
37
35
38{-# DEPRECATED AppendMap "Use 'MonoidalMap' instead" #-}
36{-# DEPRECATED AppendMap "Use 'MonoidalMap' instead" #-}
39-- | AppendMap is a synonym for 'Data.Map.Monoidal.MonoidalMap'
37-- | AppendMap is a synonym for 'Data.Map.Monoidal.MonoidalMap'
@@ -50,7 +48,7 @@ pattern AppendMap m = MonoidalMap m
50
48
51#if !MIN_VERSION_witherable(0,3,2)
49#if !MIN_VERSION_witherable(0,3,2)
52instance W.Filterable (MonoidalMap k) where
50instance W.Filterable (MonoidalMap k) where
53− mapMaybe = MonoidalMap.mapMaybe
51+ mapMaybe = mapMaybe
54#endif
52#endif
55
53
56-- | Deletes a key, returning 'Nothing' if the result is empty.
54-- | Deletes a key, returning 'Nothing' if the result is empty.
@@ -71,7 +69,7 @@ mapMaybeNoNull f as =
71 then Nothing
69 then Nothing
72 else Just bs
70 else Just bs
73
71
74−-- TODO: Move instances to `Data.Patch`
72+-- TODO: Move instances to `Reflex.Patch`
75-- | Displays a 'MonoidalMap' as a tree. See 'Data.Map.Lazy.showTree' for details.
73-- | Displays a 'MonoidalMap' as a tree. See 'Data.Map.Lazy.showTree' for details.
76showTree :: forall k a. (Show k, Show a) => MonoidalMap k a -> String
74showTree :: forall k a. (Show k, Show a) => MonoidalMap k a -> String
77showTree = coerce (Map.showTree :: Map k a -> String)
75showTree = coerce (Map.showTree :: Map k a -> String)
src/Data/FastMutableIntMap.hs+3−7
@@ -21,7 +21,6 @@ module Data.FastMutableIntMap
21 , patchIntMapNewElements
21 , patchIntMapNewElements
22 , patchIntMapNewElementsMap
22 , patchIntMapNewElementsMap
23 , getDeletions
23 , getDeletions
24− , toList
25 ) where
24 ) where
26
25
27--TODO: Pure JS version
26--TODO: Pure JS version
@@ -35,8 +34,8 @@ import Data.Foldable (traverse_)
35import Data.IntMap.Strict (IntMap)
34import Data.IntMap.Strict (IntMap)
36import qualified Data.IntMap.Strict as IntMap
35import qualified Data.IntMap.Strict as IntMap
37import Data.IORef
36import Data.IORef
38−import Data.Patch.Class
37+import Reflex.Patch.Class
39−import Data.Patch.IntMap
38+import Reflex.Patch.IntMap
40
39
41-- | A 'FastMutableIntMap' holds a map of values of type @a@ and allows low-overhead modifications via IO.
40-- | A 'FastMutableIntMap' holds a map of values of type @a@ and allows low-overhead modifications via IO.
42-- Operations on 'FastMutableIntMap' run in IO.
41-- Operations on 'FastMutableIntMap' run in IO.
@@ -85,13 +84,10 @@ getFrozenAndClear (FastMutableIntMap r) = do
85 writeIORef r IntMap.empty
84 writeIORef r IntMap.empty
86 return result
85 return result
87
86
88−-- | Updates the value of a 'FastMutableIntMap' with the given patch (see 'Data.Patch.IntMap'),
87+-- | Updates the value of a 'FastMutableIntMap' with the given patch (see 'Reflex.Patch.IntMap'),
89-- and returns an 'IntMap' with the modified keys and values.
88-- and returns an 'IntMap' with the modified keys and values.
90applyPatch :: FastMutableIntMap a -> PatchIntMap a -> IO (IntMap a)
89applyPatch :: FastMutableIntMap a -> PatchIntMap a -> IO (IntMap a)
91applyPatch (FastMutableIntMap r) p@(PatchIntMap m) = do
90applyPatch (FastMutableIntMap r) p@(PatchIntMap m) = do
92 v <- readIORef r
91 v <- readIORef r
93 writeIORef r $! applyAlways p v
92 writeIORef r $! applyAlways p v
94 return $ IntMap.intersection v m
93 return $ IntMap.intersection v m
95−
96−toList :: FastMutableIntMap a -> IO [(Int, a)]
97−toList (FastMutableIntMap r) = IntMap.toList <$> readIORef r
src/Data/FastWeakBag.hs+4−9
@@ -18,7 +18,6 @@ module Data.FastWeakBag
18 , isEmpty
18 , isEmpty
19 , insert
19 , insert
20 , traverse
20 , traverse
21− , traverse_
22 , remove
21 , remove
23 -- * Internal functions
22 -- * Internal functions
24 -- These will not always be available.
23 -- These will not always be available.
@@ -117,14 +116,14 @@ foreign import javascript unsafe "(function(){ for(var i = 0; i < $1.tickets.len
117isEmpty bag = {-# SCC "isEmpty" #-} IntMap.null <$> readIORef (_weakBag_children bag)
116isEmpty bag = {-# SCC "isEmpty" #-} IntMap.null <$> readIORef (_weakBag_children bag)
118#endif
117#endif
119
118
120−{-# INLINE traverse_ #-}
119+{-# INLINE traverse #-}
121-- | Visit every node in the given list. If new nodes are appended during the
120-- | Visit every node in the given list. If new nodes are appended during the
122-- traversal, they will not be visited. Every live node that was in the list
121-- traversal, they will not be visited. Every live node that was in the list
123-- when the traversal began will be visited exactly once; however, no guarantee
122-- when the traversal began will be visited exactly once; however, no guarantee
124-- is made about the order of the traversal.
123-- is made about the order of the traversal.
125−traverse_ :: forall a m. MonadIO m => FastWeakBag a -> (a -> m ()) -> m ()
124+traverse :: forall a m. MonadIO m => FastWeakBag a -> (a -> m ()) -> m ()
126#ifdef GHCJS_FAST_WEAK
125#ifdef GHCJS_FAST_WEAK
127−traverse_ wb f = do
126+traverse wb f = do
128 let go cursor = when (not $ js_isNull cursor) $ do
127 let go cursor = when (not $ js_isNull cursor) $ do
129 val <- liftIO $ js_getTicketValue cursor
128 val <- liftIO $ js_getTicketValue cursor
130 f $ unsafeFromRawJSVal val
129 f $ unsafeFromRawJSVal val
@@ -135,17 +134,13 @@ foreign import javascript unsafe "$r = $1.val;" js_getTicketValue :: JSVal -> IO
135--TODO: Fix the race condition where if a cursor is deleted (presumably using 'remove', below) while we're holding it, it can't find its way back to the correct bag
134--TODO: Fix the race condition where if a cursor is deleted (presumably using 'remove', below) while we're holding it, it can't find its way back to the correct bag
136foreign import javascript unsafe "(function(){ for(var i = $1.pos - 1; i >= 0; i--) { if($1.bag.tickets[i] !== null) { return $1.bag.tickets[i]; } }; return null; })()" js_getNext :: FastWeakBagTicket a -> IO JSVal --TODO: Clean up as we go along so this isn't O(n) every time -- Result can be null or a FastWeakBagTicket a
135foreign import javascript unsafe "(function(){ for(var i = $1.pos - 1; i >= 0; i--) { if($1.bag.tickets[i] !== null) { return $1.bag.tickets[i]; } }; return null; })()" js_getNext :: FastWeakBagTicket a -> IO JSVal --TODO: Clean up as we go along so this isn't O(n) every time -- Result can be null or a FastWeakBagTicket a
137#else
136#else
138−traverse_ (FastWeakBag _ children) f = {-# SCC "traverse_" #-} do
137+traverse (FastWeakBag _ children) f = {-# SCC "traverse" #-} do
139 cs <- liftIO $ readIORef children
138 cs <- liftIO $ readIORef children
140 forM_ cs $ \c -> do
139 forM_ cs $ \c -> do
141 ma <- liftIO $ deRefWeak c
140 ma <- liftIO $ deRefWeak c
142 mapM_ f ma
141 mapM_ f ma
143#endif
142#endif
144
143
145−{-# DEPRECATED traverse "Use 'traverse_' instead" #-}
146−traverse :: forall a m. MonadIO m => FastWeakBag a -> (a -> m ()) -> m ()
147−traverse = traverse_
148−
149-- | Remove an item from the 'FastWeakBag'; does nothing if invoked multiple times
144-- | Remove an item from the 'FastWeakBag'; does nothing if invoked multiple times
150-- on the same 'FastWeakBagTicket'.
145-- on the same 'FastWeakBagTicket'.
151{-# INLINE remove #-}
146{-# INLINE remove #-}
src/Data/Functor/Misc.hsnew file+234
@@ -0,0 +1,234 @@
1+{-# LANGUAGE CPP #-}
2+{-# LANGUAGE DeriveDataTypeable #-}
3+{-# LANGUAGE DeriveFunctor #-}
4+{-# LANGUAGE FlexibleContexts #-}
5+{-# LANGUAGE FlexibleInstances #-}
6+{-# LANGUAGE GADTs #-}
7+{-# LANGUAGE LambdaCase #-}
8+{-# LANGUAGE MultiParamTypeClasses #-}
9+{-# LANGUAGE PatternSynonyms #-}
10+{-# LANGUAGE PolyKinds #-}
11+{-# LANGUAGE RankNTypes #-}
12+{-# LANGUAGE ScopedTypeVariables #-}
13+{-# LANGUAGE StandaloneDeriving #-}
14+#ifdef USE_REFLEX_OPTIMIZER
15+{-# OPTIONS_GHC -fplugin=Reflex.Optimizer #-}
16+#endif
17+-- | This module provides types and functions with no particular theme, but
18+-- which are relevant to the use of 'Functor'-based datastructures like
19+-- 'Data.Dependent.Map.DMap'.
20+module Data.Functor.Misc
21+ ( -- * Const2
22+ Const2 (..)
23+ , unConst2
24+ , dmapToMap
25+ , dmapToIntMap
26+ , dmapToMapWith
27+ , mapToDMap
28+ , weakenDMapWith
29+ -- * WrapArg
30+ , WrapArg (..)
31+ -- * Convenience functions for DMap
32+ , mapWithFunctorToDMap
33+ , intMapWithFunctorToDMap
34+ , mapKeyValuePairsMonotonic
35+ , combineDMapsWithKey
36+ , EitherTag (..)
37+ , dmapToThese
38+ , eitherToDSum
39+ , dsumToEither
40+ , ComposeMaybe (..)
41+ ) where
42+
43+import Control.Applicative ((<$>))
44+import Control.Monad.Identity
45+import Data.Dependent.Map (DMap)
46+import qualified Data.Dependent.Map as DMap
47+import Data.Dependent.Sum
48+import Data.GADT.Compare
49+import Data.GADT.Show
50+import Data.IntMap (IntMap)
51+import qualified Data.IntMap as IntMap
52+import Data.Map (Map)
53+import qualified Data.Map as Map
54+import Data.Some (Some(Some))
55+import Data.These
56+import Data.Typeable hiding (Refl)
57+
58+--------------------------------------------------------------------------------
59+-- Const2
60+--------------------------------------------------------------------------------
61+
62+-- | 'Const2' stores a value of a given type 'k' and ensures that a particular
63+-- type 'v' is always given for the last type parameter
64+data Const2 :: * -> x -> x -> * where
65+ Const2 :: k -> Const2 k v v
66+ deriving (Typeable)
67+
68+-- | Extract the value from a Const2
69+unConst2 :: Const2 k v v' -> k
70+unConst2 (Const2 k) = k
71+
72+deriving instance Eq k => Eq (Const2 k v v')
73+deriving instance Ord k => Ord (Const2 k v v')
74+deriving instance Show k => Show (Const2 k v v')
75+deriving instance Read k => Read (Const2 k v v)
76+
77+instance Show k => GShow (Const2 k v) where
78+ gshowsPrec n x@(Const2 _) = showsPrec n x
79+
80+instance Eq k => GEq (Const2 k v) where
81+ geq (Const2 a) (Const2 b) =
82+ if a == b
83+ then Just Refl
84+ else Nothing
85+
86+instance Ord k => GCompare (Const2 k v) where
87+ gcompare (Const2 a) (Const2 b) = case compare a b of
88+ LT -> GLT
89+ EQ -> GEQ
90+ GT -> GGT
91+
92+-- | Convert a 'DMap' to a regular 'Map'
93+dmapToMap :: DMap (Const2 k v) Identity -> Map k v
94+dmapToMap = Map.fromDistinctAscList . map (\(Const2 k :=> Identity v) -> (k, v)) . DMap.toAscList
95+
96+-- | Convert a 'DMap' to an 'IntMap'
97+dmapToIntMap :: DMap (Const2 IntMap.Key v) Identity -> IntMap v
98+dmapToIntMap = IntMap.fromDistinctAscList . map (\(Const2 k :=> Identity v) -> (k, v)) . DMap.toAscList
99+
100+-- | Convert a 'DMap' to a regular 'Map', applying the given function to remove
101+-- the wrapping 'Functor'
102+dmapToMapWith :: (f v -> v') -> DMap (Const2 k v) f -> Map k v'
103+dmapToMapWith f = Map.fromDistinctAscList . map (\(Const2 k :=> v) -> (k, f v)) . DMap.toAscList
104+
105+-- | Convert a regular 'Map' to a 'DMap'
106+mapToDMap :: Map k v -> DMap (Const2 k v) Identity
107+mapToDMap = DMap.fromDistinctAscList . map (\(k, v) -> Const2 k :=> Identity v) . Map.toAscList
108+
109+-- | Convert a regular 'Map', where the values are already wrapped in a functor,
110+-- to a 'DMap'
111+mapWithFunctorToDMap :: Map k (f v) -> DMap (Const2 k v) f
112+mapWithFunctorToDMap = DMap.fromDistinctAscList . map (\(k, v) -> Const2 k :=> v) . Map.toAscList
113+
114+-- | Convert a regular 'IntMap', where the values are already wrapped in a
115+-- functor, to a 'DMap'
116+intMapWithFunctorToDMap :: IntMap (f v) -> DMap (Const2 IntMap.Key v) f
117+intMapWithFunctorToDMap = DMap.fromDistinctAscList . map (\(k, v) -> Const2 k :=> v) . IntMap.toAscList
118+
119+-- | Convert a 'DMap' to a regular 'Map' by forgetting the types associated with
120+-- the keys, using a function to remove the wrapping 'Functor'
121+weakenDMapWith :: (forall a. v a -> v') -> DMap k v -> Map (Some k) v'
122+weakenDMapWith f = Map.fromDistinctAscList . map (\(k :=> v) -> (Some k, f v)) . DMap.toAscList
123+
124+--------------------------------------------------------------------------------
125+-- WrapArg
126+--------------------------------------------------------------------------------
127+
128+-- | 'WrapArg' can be used to tag a value in one functor with a type
129+-- representing another functor. This was primarily used with dependent-map <
130+-- 0.2, in which the value type was not wrapped in a separate functor.
131+data WrapArg :: (k -> *) -> (k -> *) -> * -> * where
132+ WrapArg :: f a -> WrapArg g f (g a)
133+
134+deriving instance Eq (f a) => Eq (WrapArg g f (g' a))
135+deriving instance Ord (f a) => Ord (WrapArg g f (g' a))
136+deriving instance Show (f a) => Show (WrapArg g f (g' a))
137+deriving instance Read (f a) => Read (WrapArg g f (g a))
138+
139+instance GEq f => GEq (WrapArg g f) where
140+ geq (WrapArg a) (WrapArg b) = (\Refl -> Refl) <$> geq a b
141+
142+instance GCompare f => GCompare (WrapArg g f) where
143+ gcompare (WrapArg a) (WrapArg b) = case gcompare a b of
144+ GLT -> GLT
145+ GEQ -> GEQ
146+ GGT -> GGT
147+
148+--------------------------------------------------------------------------------
149+-- Convenience functions for DMap
150+--------------------------------------------------------------------------------
151+
152+-- | Map over all key/value pairs in a 'DMap', potentially altering the key as
153+-- well as the value. The provided function MUST preserve the ordering of the
154+-- keys, or the resulting 'DMap' will be malformed.
155+mapKeyValuePairsMonotonic :: (DSum k v -> DSum k' v') -> DMap k v -> DMap k' v'
156+mapKeyValuePairsMonotonic f = DMap.fromDistinctAscList . map f . DMap.toAscList
157+
158+{-# INLINE combineDMapsWithKey #-}
159+-- | Union two 'DMap's of different types, yielding another type. Each key that
160+-- is present in either input map will be present in the output.
161+combineDMapsWithKey :: forall f g h i.
162+ GCompare f
163+ => (forall a. f a -> These (g a) (h a) -> i a)
164+ -> DMap f g
165+ -> DMap f h
166+ -> DMap f i
167+combineDMapsWithKey f mg mh = DMap.fromList $ go (DMap.toList mg) (DMap.toList mh)
168+ where go :: [DSum f g] -> [DSum f h] -> [DSum f i]
169+ go [] hs = map (\(hk :=> hv) -> hk :=> f hk (That hv)) hs
170+ go gs [] = map (\(gk :=> gv) -> gk :=> f gk (This gv)) gs
171+ go gs@((gk :=> gv) : gs') hs@((hk :=> hv) : hs') = case gk `gcompare` hk of
172+ GLT -> (gk :=> f gk (This gv)) : go gs' hs
173+ GEQ -> (gk :=> f gk (These gv hv)) : go gs' hs'
174+ GGT -> (hk :=> f hk (That hv)) : go gs hs'
175+
176+-- | Extract the values of a 'DMap' of 'EitherTag's.
177+dmapToThese :: DMap (EitherTag a b) Identity -> Maybe (These a b)
178+dmapToThese m = case (DMap.lookup LeftTag m, DMap.lookup RightTag m) of
179+ (Nothing, Nothing) -> Nothing
180+ (Just (Identity a), Nothing) -> Just $ This a
181+ (Nothing, Just (Identity b)) -> Just $ That b
182+ (Just (Identity a), Just (Identity b)) -> Just $ These a b
183+
184+-- | Tag type for 'Either' to use it as a 'DSum'.
185+data EitherTag l r a where
186+ LeftTag :: EitherTag l r l
187+ RightTag :: EitherTag l r r
188+ deriving (Typeable)
189+
190+deriving instance Show (EitherTag l r a)
191+deriving instance Eq (EitherTag l r a)
192+deriving instance Ord (EitherTag l r a)
193+
194+instance GEq (EitherTag l r) where
195+ geq a b = case (a, b) of
196+ (LeftTag, LeftTag) -> Just Refl
197+ (RightTag, RightTag) -> Just Refl
198+ _ -> Nothing
199+
200+instance GCompare (EitherTag l r) where
201+ gcompare a b = case (a, b) of
202+ (LeftTag, LeftTag) -> GEQ
203+ (LeftTag, RightTag) -> GLT
204+ (RightTag, LeftTag) -> GGT
205+ (RightTag, RightTag) -> GEQ
206+
207+instance GShow (EitherTag l r) where
208+ gshowsPrec _ a = case a of
209+ LeftTag -> showString "LeftTag"
210+ RightTag -> showString "RightTag"
211+
212+-- | Convert 'Either' to a 'DSum'. Inverse of 'dsumToEither'.
213+eitherToDSum :: Either a b -> DSum (EitherTag a b) Identity
214+eitherToDSum = \case
215+ Left a -> (LeftTag :=> Identity a)
216+ Right b -> (RightTag :=> Identity b)
217+
218+-- | Convert 'DSum' to 'Either'. Inverse of 'eitherToDSum'.
219+dsumToEither :: DSum (EitherTag a b) Identity -> Either a b
220+dsumToEither = \case
221+ (LeftTag :=> Identity a) -> Left a
222+ (RightTag :=> Identity b) -> Right b
223+
224+--------------------------------------------------------------------------------
225+-- ComposeMaybe
226+--------------------------------------------------------------------------------
227+
228+-- | We can't use @Compose Maybe@ instead of 'ComposeMaybe', because that would
229+-- make the 'f' parameter have a nominal type role. We need f to be
230+-- representational so that we can use safe 'coerce'.
231+newtype ComposeMaybe f a =
232+ ComposeMaybe { getComposeMaybe :: Maybe (f a) } deriving (Show, Eq, Ord)
233+
234+deriving instance Functor f => Functor (ComposeMaybe f)
src/Data/Map/Misc.hs+1−1
@@ -43,7 +43,7 @@ diffMap olds news = flip Map.mapMaybe (align olds news) $ \case
43
43
44-- |Given a @'Map' k (Maybe v)@ representing keys to insert/update (@Just@) or delete (@Nothing@), produce a new map from the given input @'Map' k v@.
44-- |Given a @'Map' k (Maybe v)@ representing keys to insert/update (@Just@) or delete (@Nothing@), produce a new map from the given input @'Map' k v@.
45--
45--
46−-- See also 'Data.Patch.Map' and 'Data.Patch.MapWithMove'.
46+-- See also 'Reflex.Patch.Map' and 'Reflex.Patch.MapWithMove'.
47applyMap :: Ord k => Map k (Maybe v) -> Map k v -> Map k v
47applyMap :: Ord k => Map k (Maybe v) -> Map k v -> Map k v
48applyMap patch old = insertions `Map.union` (old `Map.difference` deletions)
48applyMap patch old = insertions `Map.union` (old `Map.difference` deletions)
49 where (deletions, insertions) = Map.mapEither maybeToEither patch
49 where (deletions, insertions) = Map.mapEither maybeToEither patch
src/Data/WeakBag.hs+3−8
@@ -15,7 +15,6 @@ module Data.WeakBag
15 , singleton
15 , singleton
16 , insert
16 , insert
17 , traverse
17 , traverse
18− , traverse_
19 , remove
18 , remove
20 -- * Internal functions
19 -- * Internal functions
21 -- These will not always be available.
20 -- These will not always be available.
@@ -100,22 +99,18 @@ singleton a wbRef finalizer = {-# SCC "singleton" #-} do
100 ticket <- insert a bag wbRef finalizer
99 ticket <- insert a bag wbRef finalizer
101 return (bag, ticket)
100 return (bag, ticket)
102
101
103−{-# INLINE traverse_ #-}
102+{-# INLINE traverse #-}
104-- | Visit every node in the given list. If new nodes are appended during the
103-- | Visit every node in the given list. If new nodes are appended during the
105-- traversal, they will not be visited. Every live node that was in the list
104-- traversal, they will not be visited. Every live node that was in the list
106-- when the traversal began will be visited exactly once; however, no guarantee
105-- when the traversal began will be visited exactly once; however, no guarantee
107-- is made about the order of the traversal.
106-- is made about the order of the traversal.
108−traverse_ :: MonadIO m => WeakBag a -> (a -> m ()) -> m ()
107+traverse :: MonadIO m => WeakBag a -> (a -> m ()) -> m ()
109−traverse_ (WeakBag _ children) f = {-# SCC "traverse" #-} do
108+traverse (WeakBag _ children) f = {-# SCC "traverse" #-} do
110 cs <- liftIO $ readIORef children
109 cs <- liftIO $ readIORef children
111 forM_ cs $ \c -> do
110 forM_ cs $ \c -> do
112 ma <- liftIO $ deRefWeak c
111 ma <- liftIO $ deRefWeak c
113 mapM_ f ma
112 mapM_ f ma
114
113
115−{-# DEPRECATED traverse "Use 'traverse_' instead" #-}
116−traverse :: MonadIO m => WeakBag a -> (a -> m ()) -> m ()
117−traverse = traverse_
118−
119-- | Remove an item from the 'WeakBag'; does nothing if invoked multiple times
114-- | Remove an item from the 'WeakBag'; does nothing if invoked multiple times
120-- on the same 'WeakBagTicket'.
115-- on the same 'WeakBagTicket'.
121{-# INLINE remove #-}
116{-# INLINE remove #-}
src/Reflex/Adjustable/Class.hs+2−3
@@ -30,8 +30,7 @@ module Reflex.Adjustable.Class
30
30
31import Control.Monad.Identity
31import Control.Monad.Identity
32import Control.Monad.Reader
32import Control.Monad.Reader
33−import Data.Dependent.Map (DMap)
33+import Data.Dependent.Map (DMap, GCompare (..))
34−import Data.GADT.Compare (GCompare(..))
35import qualified Data.Dependent.Map as DMap
34import qualified Data.Dependent.Map as DMap
36import Data.Functor.Constant
35import Data.Functor.Constant
37import Data.Functor.Misc
36import Data.Functor.Misc
@@ -40,7 +39,7 @@ import qualified Data.IntMap.Strict as IntMap
40import Data.Map (Map)
39import Data.Map (Map)
41
40
42import Reflex.Class
41import Reflex.Class
43−import Data.Patch.DMapWithMove
42+import Reflex.Patch.DMapWithMove
44
43
45-- | A 'Monad' that supports adjustment over time. After an action has been
44-- | A 'Monad' that supports adjustment over time. After an action has been
46-- run, if the given events fire, it will adjust itself so that its net effect
45-- run, if the given events fire, it will adjust itself so that its net effect
src/Reflex/BehaviorWriter/Base.hs+7−16
@@ -1,6 +1,6 @@
1{-|
1{-|
2Module: Reflex.BehaviorWriter.Base
2Module: Reflex.BehaviorWriter.Base
3−Description: Implementation of BehaviorWriter
3+Description: Implementation of MonadBehaviorWriter
4-}
4-}
5{-# LANGUAGE CPP #-}
5{-# LANGUAGE CPP #-}
6{-# LANGUAGE FlexibleInstances #-}
6{-# LANGUAGE FlexibleInstances #-}
@@ -24,7 +24,6 @@ module Reflex.BehaviorWriter.Base
24import Control.Monad.Exception
24import Control.Monad.Exception
25import Control.Monad.Identity
25import Control.Monad.Identity
26import Control.Monad.IO.Class
26import Control.Monad.IO.Class
27−import Control.Monad.Morph
28import Control.Monad.Reader
27import Control.Monad.Reader
29import Control.Monad.Ref
28import Control.Monad.Ref
30import Control.Monad.State.Strict
29import Control.Monad.State.Strict
@@ -47,20 +46,9 @@ import Reflex.Query.Class
47import Reflex.Requester.Class
46import Reflex.Requester.Class
48import Reflex.TriggerEvent.Class
47import Reflex.TriggerEvent.Class
49
48
50−-- | A basic implementation of 'BehaviorWriter'.
49+-- | A basic implementation of 'MonadBehaviorWriter'.
51newtype BehaviorWriterT t w m a = BehaviorWriterT { unBehaviorWriterT :: StateT [Behavior t w] m a }
50newtype BehaviorWriterT t w m a = BehaviorWriterT { unBehaviorWriterT :: StateT [Behavior t w] m a }
52− -- The list is kept in reverse order
51+ deriving (Functor, Applicative, Monad, MonadIO, MonadFix, MonadAsyncException, MonadException) -- The list is kept in reverse order
53− deriving
54− ( Functor
55− , Applicative
56− , Monad
57− , MonadTrans
58− , MFunctor
59− , MonadIO
60− , MonadFix
61− , MonadAsyncException
62− , MonadException
63− )
64
52
65-- | Run a 'BehaviorWriterT' action. The behavior writer output will be provided
53-- | Run a 'BehaviorWriterT' action. The behavior writer output will be provided
66-- along with the result of the action.
54-- along with the result of the action.
@@ -85,6 +73,9 @@ withBehaviorWriterT f dw = do
85deriving instance MonadHold t m => MonadHold t (BehaviorWriterT t w m)
73deriving instance MonadHold t m => MonadHold t (BehaviorWriterT t w m)
86deriving instance MonadSample t m => MonadSample t (BehaviorWriterT t w m)
74deriving instance MonadSample t m => MonadSample t (BehaviorWriterT t w m)
87
75
76+instance MonadTrans (BehaviorWriterT t w) where
77+ lift = BehaviorWriterT . lift
78+
88instance MonadRef m => MonadRef (BehaviorWriterT t w m) where
79instance MonadRef m => MonadRef (BehaviorWriterT t w m) where
89 type Ref (BehaviorWriterT t w m) = Ref m
80 type Ref (BehaviorWriterT t w m) = Ref m
90 newRef = lift . newRef
81 newRef = lift . newRef
@@ -98,7 +89,7 @@ instance MonadReflexCreateTrigger t m => MonadReflexCreateTrigger t (BehaviorWri
98 newEventWithTrigger = lift . newEventWithTrigger
89 newEventWithTrigger = lift . newEventWithTrigger
99 newFanEventWithTrigger f = lift $ newFanEventWithTrigger f
90 newFanEventWithTrigger f = lift $ newFanEventWithTrigger f
100
91
101−instance (Monad m, Monoid w, Reflex t) => BehaviorWriter t w (BehaviorWriterT t w m) where
92+instance (Monad m, Monoid w, Reflex t) => MonadBehaviorWriter t w (BehaviorWriterT t w m) where
102 tellBehavior w = BehaviorWriterT $ modify (w :)
93 tellBehavior w = BehaviorWriterT $ modify (w :)
103
94
104instance MonadReader r m => MonadReader r (BehaviorWriterT t w m) where
95instance MonadReader r m => MonadReader r (BehaviorWriterT t w m) where
src/Reflex/BehaviorWriter/Class.hs+5−11
@@ -1,9 +1,8 @@
1{-|
1{-|
2Module: Reflex.BehaviorWriter.Class
2Module: Reflex.BehaviorWriter.Class
3−Description: This module defines the 'BehaviorWriter' class
3+Description: This module defines the 'MonadBehaviorWriter' class
4-}
4-}
5{-# LANGUAGE CPP #-}
5{-# LANGUAGE CPP #-}
6−{-# LANGUAGE ConstraintKinds #-}
7{-# LANGUAGE FlexibleInstances #-}
6{-# LANGUAGE FlexibleInstances #-}
8{-# LANGUAGE FunctionalDependencies #-}
7{-# LANGUAGE FunctionalDependencies #-}
9{-# LANGUAGE UndecidableInstances #-}
8{-# LANGUAGE UndecidableInstances #-}
@@ -11,21 +10,16 @@ Description: This module defines the 'BehaviorWriter' class
11{-# OPTIONS_GHC -fplugin=Reflex.Optimizer #-}
10{-# OPTIONS_GHC -fplugin=Reflex.Optimizer #-}
12#endif
11#endif
13module Reflex.BehaviorWriter.Class
12module Reflex.BehaviorWriter.Class
14− ( MonadBehaviorWriter
13+ ( MonadBehaviorWriter (..)
15− , BehaviorWriter(..)
16 ) where
14 ) where
17
15
18import Control.Monad.Reader (ReaderT, lift)
16import Control.Monad.Reader (ReaderT, lift)
19import Reflex.Class (Behavior)
17import Reflex.Class (Behavior)
20
18
21−{-# DEPRECATED MonadBehaviorWriter "Use 'BehaviorWriter' instead" #-}
22−-- | Type synonym for 'BehaviorWriter'
23−type MonadBehaviorWriter = BehaviorWriter
24−
25−-- | 'BehaviorWriter' efficiently collects 'Behavior' values using 'tellBehavior'
19+-- | 'MonadBehaviorWriter' efficiently collects 'Behavior' values using 'tellBehavior'
26-- and combines them monoidally to provide a 'Behavior' result.
20-- and combines them monoidally to provide a 'Behavior' result.
27−class (Monad m, Monoid w) => BehaviorWriter t w m | m -> t w where
21+class (Monad m, Monoid w) => MonadBehaviorWriter t w m | m -> t w where
28 tellBehavior :: Behavior t w -> m ()
22 tellBehavior :: Behavior t w -> m ()
29
23
30−instance BehaviorWriter t w m => BehaviorWriter t w (ReaderT r m) where
24+instance MonadBehaviorWriter t w m => MonadBehaviorWriter t w (ReaderT r m) where
31 tellBehavior = lift . tellBehavior
25 tellBehavior = lift . tellBehavior
src/Reflex/Class.hs+9−39
@@ -29,7 +29,7 @@
29-- convenience functions for working with 'Event's, 'Behavior's, and other
29-- convenience functions for working with 'Event's, 'Behavior's, and other
30-- signals.
30-- signals.
31module Reflex.Class
31module Reflex.Class
32− ( module Data.Patch
32+ ( module Reflex.Patch
33 -- * Primitives
33 -- * Primitives
34 , Reflex (..)
34 , Reflex (..)
35 , mergeInt
35 , mergeInt
@@ -173,15 +173,12 @@ module Reflex.Class
173 , slowHeadE
173 , slowHeadE
174 ) where
174 ) where
175
175
176−#ifdef MIN_VERSION_semialign
176+#if defined(MIN_VERSION_semialign)
177import Prelude hiding (zip, zipWith)
177import Prelude hiding (zip, zipWith)
178
178
179#if MIN_VERSION_these(0,8,0)
179#if MIN_VERSION_these(0,8,0)
180import Data.These.Combinators (justThese)
180import Data.These.Combinators (justThese)
181#endif
181#endif
182−#if MIN_VERSION_semialign(1,1,0)
183−import Data.Zip (Zip (..), Unzip (..))
184−#endif
185#endif
182#endif
186
183
187import Control.Applicative
184import Control.Applicative
@@ -196,12 +193,11 @@ import Data.Align
196import Data.Bifunctor
193import Data.Bifunctor
197import Data.Coerce
194import Data.Coerce
198import Data.Default
195import Data.Default
199−import Data.Dependent.Map (DMap)
196+import Data.Dependent.Map (DMap, DSum (..))
200−import Data.Dependent.Sum (DSum (..))
201import qualified Data.Dependent.Map as DMap
197import qualified Data.Dependent.Map as DMap
202import Data.Functor.Compose
198import Data.Functor.Compose
203import Data.Functor.Product
199import Data.Functor.Product
204−import Data.GADT.Compare (GEq (..), GCompare (..))
200+import Data.GADT.Compare (GEq (..), GCompare (..), (:~:) (..))
205import Data.FastMutableIntMap (PatchIntMap)
201import Data.FastMutableIntMap (PatchIntMap)
206import Data.Foldable
202import Data.Foldable
207import Data.Functor.Bind
203import Data.Functor.Bind
@@ -211,18 +207,17 @@ import Data.IntMap.Strict (IntMap)
211import qualified Data.IntMap.Strict as IntMap
207import qualified Data.IntMap.Strict as IntMap
212import Data.List.NonEmpty (NonEmpty (..))
208import Data.List.NonEmpty (NonEmpty (..))
213import Data.Map (Map)
209import Data.Map (Map)
214−import Data.Semigroup (Semigroup (..))
210+import Data.Semigroup (Semigroup, sconcat, stimes, (<>))
215import Data.Some (Some(Some))
211import Data.Some (Some(Some))
216import Data.String
212import Data.String
217import Data.These
213import Data.These
218import Data.Type.Coercion
214import Data.Type.Coercion
219−import Data.Type.Equality ((:~:) (..))
220import Data.Witherable (Filterable(..))
215import Data.Witherable (Filterable(..))
221import qualified Data.Witherable as W
216import qualified Data.Witherable as W
222import Reflex.FunctorMaybe (FunctorMaybe)
217import Reflex.FunctorMaybe (FunctorMaybe)
223import qualified Reflex.FunctorMaybe
218import qualified Reflex.FunctorMaybe
224−import Data.Patch
219+import Reflex.Patch
225−import qualified Data.Patch.MapWithMove as PatchMapWithMove
220+import qualified Reflex.Patch.MapWithMove as PatchMapWithMove
226
221
227import Debug.Trace (trace)
222import Debug.Trace (trace)
228
223
@@ -288,8 +283,7 @@ class ( MonadHold t (PushM t)
288 -- | Create an 'Event' that will occur whenever the currently-selected input
283 -- | Create an 'Event' that will occur whenever the currently-selected input
289 -- 'Event' occurs
284 -- 'Event' occurs
290 switch :: Behavior t (Event t a) -> Event t a
285 switch :: Behavior t (Event t a) -> Event t a
291− -- | Create an 'Event' that will occur whenever the input event is occurring -- and its occurrence value, another 'Event', is also occurring.
286+ -- | Create an 'Event' that will occur whenever the input event is occurring -- and its occurrence value, another 'Event', is also occurring
292− -- You maybe looking for '@switchHold@ @never@' instead.
293 coincidence :: Event t (Event t a) -> Event t a
287 coincidence :: Event t (Event t a) -> Event t a
294 -- | Extract the 'Behavior' of a 'Dynamic'.
288 -- | Extract the 'Behavior' of a 'Dynamic'.
295 current :: Dynamic t a -> Behavior t a
289 current :: Dynamic t a -> Behavior t a
@@ -421,13 +415,6 @@ class MonadSample t m => MonadHold t m where
421 -- | Create a new 'Event' that only occurs only once, on the first occurrence of
415 -- | Create a new 'Event' that only occurs only once, on the first occurrence of
422 -- the supplied 'Event'.
416 -- the supplied 'Event'.
423 headE :: Event t a -> m (Event t a)
417 headE :: Event t a -> m (Event t a)
424− -- | An event which only occurs at the current moment in time, such that:
425− --
426− -- > coincidence (pushAlways (\a -> (a <$) <$> now) e) = e
427− --
428− now :: m (Event t ())
429− default now :: (m ~ f m', MonadTrans f, MonadHold t m') => m (Event t ())
430− now = lift now
431
418
432-- | Accumulate an 'Incremental' with the supplied initial value and the firings of the provided 'Event',
419-- | Accumulate an 'Incremental' with the supplied initial value and the firings of the provided 'Event',
433-- using the combining function to produce a patch.
420-- using the combining function to produce a patch.
@@ -573,7 +560,6 @@ instance MonadHold t m => MonadHold t (ReaderT r m) where
573 holdIncremental a0 = lift . holdIncremental a0
560 holdIncremental a0 = lift . holdIncremental a0
574 buildDynamic a0 = lift . buildDynamic a0
561 buildDynamic a0 = lift . buildDynamic a0
575 headE = lift . headE
562 headE = lift . headE
576− now = lift now
577
563
578instance (MonadSample t m, Monoid r) => MonadSample t (WriterT r m) where
564instance (MonadSample t m, Monoid r) => MonadSample t (WriterT r m) where
579 sample = lift . sample
565 sample = lift . sample
@@ -584,7 +570,6 @@ instance (MonadHold t m, Monoid r) => MonadHold t (WriterT r m) where
584 holdIncremental a0 = lift . holdIncremental a0
570 holdIncremental a0 = lift . holdIncremental a0
585 buildDynamic a0 = lift . buildDynamic a0
571 buildDynamic a0 = lift . buildDynamic a0
586 headE = lift . headE
572 headE = lift . headE
587− now = lift now
588
573
589instance MonadSample t m => MonadSample t (StateT s m) where
574instance MonadSample t m => MonadSample t (StateT s m) where
590 sample = lift . sample
575 sample = lift . sample
@@ -595,7 +580,6 @@ instance MonadHold t m => MonadHold t (StateT s m) where
595 holdIncremental a0 = lift . holdIncremental a0
580 holdIncremental a0 = lift . holdIncremental a0
596 buildDynamic a0 = lift . buildDynamic a0
581 buildDynamic a0 = lift . buildDynamic a0
597 headE = lift . headE
582 headE = lift . headE
598− now = lift now
599
583
600instance MonadSample t m => MonadSample t (ExceptT e m) where
584instance MonadSample t m => MonadSample t (ExceptT e m) where
601 sample = lift . sample
585 sample = lift . sample
@@ -606,7 +590,6 @@ instance MonadHold t m => MonadHold t (ExceptT e m) where
606 holdIncremental a0 = lift . holdIncremental a0
590 holdIncremental a0 = lift . holdIncremental a0
607 buildDynamic a0 = lift . buildDynamic a0
591 buildDynamic a0 = lift . buildDynamic a0
608 headE = lift . headE
592 headE = lift . headE
609− now = lift now
610
593
611instance (MonadSample t m, Monoid w) => MonadSample t (RWST r w s m) where
594instance (MonadSample t m, Monoid w) => MonadSample t (RWST r w s m) where
612 sample = lift . sample
595 sample = lift . sample
@@ -617,7 +600,6 @@ instance (MonadHold t m, Monoid w) => MonadHold t (RWST r w s m) where
617 holdIncremental a0 = lift . holdIncremental a0
600 holdIncremental a0 = lift . holdIncremental a0
618 buildDynamic a0 = lift . buildDynamic a0
601 buildDynamic a0 = lift . buildDynamic a0
619 headE = lift . headE
602 headE = lift . headE
620− now = lift now
621
603
622instance MonadSample t m => MonadSample t (ContT r m) where
604instance MonadSample t m => MonadSample t (ContT r m) where
623 sample = lift . sample
605 sample = lift . sample
@@ -628,7 +610,6 @@ instance MonadHold t m => MonadHold t (ContT r m) where
628 holdIncremental a0 = lift . holdIncremental a0
610 holdIncremental a0 = lift . holdIncremental a0
629 buildDynamic a0 = lift . buildDynamic a0
611 buildDynamic a0 = lift . buildDynamic a0
630 headE = lift . headE
612 headE = lift . headE
631− now = lift now
632
613
633--------------------------------------------------------------------------------
614--------------------------------------------------------------------------------
634-- Convenience functions
615-- Convenience functions
@@ -678,9 +659,7 @@ instance Reflex t => Monad (Behavior t) where
678 a >>= f = pull $ sample a >>= sample . f
659 a >>= f = pull $ sample a >>= sample . f
679 -- Note: it is tempting to write (_ >> b = b); however, this would result in (fail x >> return y) succeeding (returning y), which violates the law that (a >> b = a >>= \_ -> b), since the implementation of (>>=) above actually will fail. Since we can't examine 'Behavior's other than by using sample, I don't think it's possible to write (>>) to be more efficient than the (>>=) above.
660 -- Note: it is tempting to write (_ >> b = b); however, this would result in (fail x >> return y) succeeding (returning y), which violates the law that (a >> b = a >>= \_ -> b), since the implementation of (>>=) above actually will fail. Since we can't examine 'Behavior's other than by using sample, I don't think it's possible to write (>>) to be more efficient than the (>>=) above.
680 return = constant
661 return = constant
681−#if !MIN_VERSION_base(4,13,0)
682 fail = error "Monad (Behavior t) does not support fail"
662 fail = error "Monad (Behavior t) does not support fail"
683−#endif
684
663
685instance (Reflex t, Monoid a) => Monoid (Behavior t a) where
664instance (Reflex t, Monoid a) => Monoid (Behavior t a) where
686 mempty = constant mempty
665 mempty = constant mempty
@@ -1098,19 +1077,10 @@ instance Reflex t => Semialign (Event t) where
1098#endif
1077#endif
1099 align = alignEventWithMaybe Just
1078 align = alignEventWithMaybe Just
1100
1079
1101−#ifdef MIN_VERSION_semialign
1080+#if defined(MIN_VERSION_semialign)
1102−#if MIN_VERSION_semialign(1,1,0)
1103−instance Reflex t => Zip (Event t) where
1104−#endif
1105 zip x y = mapMaybe justThese $ align x y
1081 zip x y = mapMaybe justThese $ align x y
1106#endif
1082#endif
1107
1083
1108−#ifdef MIN_VERSION_semialign
1109−#if MIN_VERSION_semialign(1,1,0)
1110−instance Reflex t => Unzip (Event t) where
1111− unzip = splitE
1112−#endif
1113−#endif
1114
1084
1115-- | Create a new 'Event' that only occurs if the supplied 'Event' occurs and
1085-- | Create a new 'Event' that only occurs if the supplied 'Event' occurs and
1116-- the 'Behavior' is true at the time of occurrence.
1086-- the 'Behavior' is true at the time of occurrence.
src/Reflex/Collection.hs+2−5
@@ -27,11 +27,8 @@ module Reflex.Collection
27 , simpleList
27 , simpleList
28 ) where
28 ) where
29
29
30−#ifdef MIN_VERSION_semialign
30+#if defined(MIN_VERSION_semialign)
31import Prelude hiding (zip, zipWith)
31import Prelude hiding (zip, zipWith)
32−#if MIN_VERSION_semialign(1,1,0)
33−import Data.Zip (Zip (..))
34−#endif
35#endif
32#endif
36
33
37import Control.Monad.Identity
34import Control.Monad.Identity
@@ -130,7 +127,7 @@ listWithKeyShallowDiff initialVals valsChanged mkChild = do
130 Nothing -> Just Nothing
127 Nothing -> Just Nothing
131
128
132 -- We don't want to let spurious re-creations of items through
129 -- We don't want to let spurious re-creations of items through
133− Just _ -> Nothing
130+ Just _ -> Nothing
134 listHoldWithKey
131 listHoldWithKey
135 initialVals
132 initialVals
136 (attachWith (flip (Map.differenceWith relevantPatch))
133 (attachWith (flip (Map.differenceWith relevantPatch))
src/Reflex/Dynamic.hs+2−17
@@ -53,12 +53,10 @@ module Reflex.Dynamic
53 , foldDynMaybe
53 , foldDynMaybe
54 , foldDynMaybeM
54 , foldDynMaybeM
55 , joinDynThroughMap
55 , joinDynThroughMap
56− , joinDynThroughIntMap
57 , traceDyn
56 , traceDyn
58 , traceDynWith
57 , traceDynWith
59 , splitDynPure
58 , splitDynPure
60 , distributeMapOverDynPure
59 , distributeMapOverDynPure
61− , distributeIntMapOverDynPure
62 , distributeDMapOverDynPure
60 , distributeDMapOverDynPure
63 , distributeListOverDynPure
61 , distributeListOverDynPure
64 , Demux
62 , Demux
@@ -89,14 +87,11 @@ import Data.Align
89import Data.Dependent.Map (DMap)
87import Data.Dependent.Map (DMap)
90import qualified Data.Dependent.Map as DMap
88import qualified Data.Dependent.Map as DMap
91import Data.Dependent.Sum (DSum (..))
89import Data.Dependent.Sum (DSum (..))
92−import Data.GADT.Compare (GCompare (..), GEq (..), GOrdering (..))
90+import Data.GADT.Compare ((:~:) (..), GCompare (..), GEq (..), GOrdering (..))
93−import Data.IntMap (IntMap)
94−import qualified Data.IntMap as IntMap
95import Data.Map (Map)
91import Data.Map (Map)
96import Data.Maybe
92import Data.Maybe
97import Data.Monoid ((<>))
93import Data.Monoid ((<>))
98import Data.These
94import Data.These
99−import Data.Type.Equality ((:~:) (..))
100
95
101import Debug.Trace
96import Debug.Trace
102
97
@@ -206,11 +201,6 @@ splitDynPure d = (fmap fst d, fmap snd d)
206distributeMapOverDynPure :: (Reflex t, Ord k) => Map k (Dynamic t v) -> Dynamic t (Map k v)
201distributeMapOverDynPure :: (Reflex t, Ord k) => Map k (Dynamic t v) -> Dynamic t (Map k v)
207distributeMapOverDynPure = fmap dmapToMap . distributeDMapOverDynPure . mapWithFunctorToDMap
202distributeMapOverDynPure = fmap dmapToMap . distributeDMapOverDynPure . mapWithFunctorToDMap
208
203
209−-- | Convert an 'IntMap' with 'Dynamic' elements into a 'Dynamic' of an 'IntMap' with
210−-- non-'Dynamic' elements.
211−distributeIntMapOverDynPure :: (Reflex t) => IntMap (Dynamic t v) -> Dynamic t (IntMap v)
212−distributeIntMapOverDynPure = fmap dmapToIntMap . distributeDMapOverDynPure . intMapWithFunctorToDMap
213−
214-- | Convert a list with 'Dynamic' elements into a 'Dynamic' of a list with
204-- | Convert a list with 'Dynamic' elements into a 'Dynamic' of a list with
215-- non-'Dynamic' elements, preserving the order of the elements.
205-- non-'Dynamic' elements, preserving the order of the elements.
216{-# DEPRECATED distributeListOverDynPure "Use 'distributeListOverDyn' instead" #-}
206{-# DEPRECATED distributeListOverDynPure "Use 'distributeListOverDyn' instead" #-}
@@ -223,11 +213,6 @@ distributeListOverDynPure = distributeListOverDyn
223joinDynThroughMap :: forall t k a. (Reflex t, Ord k) => Dynamic t (Map k (Dynamic t a)) -> Dynamic t (Map k a)
213joinDynThroughMap :: forall t k a. (Reflex t, Ord k) => Dynamic t (Map k (Dynamic t a)) -> Dynamic t (Map k a)
224joinDynThroughMap = (distributeMapOverDynPure =<<)
214joinDynThroughMap = (distributeMapOverDynPure =<<)
225
215
226−-- | Combine a 'Dynamic' of an 'IntMap' of 'Dynamic's into a 'Dynamic'
227−-- with the current values of the 'Dynamic's in a map.
228−joinDynThroughIntMap :: forall t a. (Reflex t) => Dynamic t (IntMap (Dynamic t a)) -> Dynamic t (IntMap a)
229−joinDynThroughIntMap = (distributeIntMapOverDynPure =<<)
230−
231-- | Print the value of the 'Dynamic' when it is first read and on each
216-- | Print the value of the 'Dynamic' when it is first read and on each
232-- subsequent change that is observed (as 'traceEvent'), prefixed with the
217-- subsequent change that is observed (as 'traceEvent'), prefixed with the
233-- provided string. This should /only/ be used for debugging.
218-- provided string. This should /only/ be used for debugging.
@@ -348,7 +333,7 @@ factorDyn d = buildDynamic (sample (current d) >>= holdKey) update where
348--
333--
349-- > demuxed (demux d) k === fmap (== k) d
334-- > demuxed (demux d) k === fmap (== k) d
350--
335--
351−-- However, when 'demuxed' is used multiple times, the complexity is only
336+-- However, when getDemuxed is used multiple times, the complexity is only
352-- /O(log(n))/, rather than /O(n)/ for fmap.
337-- /O(log(n))/, rather than /O(n)/ for fmap.
353data Demux t k = Demux { demuxValue :: Behavior t k
338data Demux t k = Demux { demuxValue :: Behavior t k
354 , demuxSelector :: EventSelector t (Const2 k Bool)
339 , demuxSelector :: EventSelector t (Const2 k Bool)
src/Reflex/DynamicWriter/Base.hs+5−14
@@ -22,7 +22,6 @@ module Reflex.DynamicWriter.Base
22import Control.Monad.Exception
22import Control.Monad.Exception
23import Control.Monad.Identity
23import Control.Monad.Identity
24import Control.Monad.IO.Class
24import Control.Monad.IO.Class
25−import Control.Monad.Morph
26import Control.Monad.Primitive
25import Control.Monad.Primitive
27import Control.Monad.Reader
26import Control.Monad.Reader
28import Control.Monad.Ref
27import Control.Monad.Ref
@@ -45,13 +44,16 @@ import Reflex.Class
45import Reflex.DynamicWriter.Class
44import Reflex.DynamicWriter.Class
46import Reflex.EventWriter.Class (EventWriter, tellEvent)
45import Reflex.EventWriter.Class (EventWriter, tellEvent)
47import Reflex.Host.Class
46import Reflex.Host.Class
48−import qualified Data.Patch.MapWithMove as MapWithMove
47+import qualified Reflex.Patch.MapWithMove as MapWithMove
49import Reflex.PerformEvent.Class
48import Reflex.PerformEvent.Class
50import Reflex.PostBuild.Class
49import Reflex.PostBuild.Class
51import Reflex.Query.Class
50import Reflex.Query.Class
52import Reflex.Requester.Class
51import Reflex.Requester.Class
53import Reflex.TriggerEvent.Class
52import Reflex.TriggerEvent.Class
54
53
54+instance MonadTrans (DynamicWriterT t w) where
55+ lift = DynamicWriterT . lift
56+
55mapIncrementalMapValues :: (Reflex t, Patch (p v), Patch (p v'), PatchTarget (p v) ~ f v, PatchTarget (p v') ~ f v', Functor p, Functor f) => (v -> v') -> Incremental t (p v) -> Incremental t (p v')
57mapIncrementalMapValues :: (Reflex t, Patch (p v), Patch (p v'), PatchTarget (p v) ~ f v, PatchTarget (p v') ~ f v', Functor p, Functor f) => (v -> v') -> Incremental t (p v) -> Incremental t (p v')
56mapIncrementalMapValues f = unsafeMapIncremental (fmap f) (fmap f)
58mapIncrementalMapValues f = unsafeMapIncremental (fmap f) (fmap f)
57
59
@@ -88,18 +90,7 @@ mergeDynIncrementalWithMove a = unsafeBuildIncremental (mapM (sample . current)
88
90
89-- | A basic implementation of 'DynamicWriter'.
91-- | A basic implementation of 'DynamicWriter'.
90newtype DynamicWriterT t w m a = DynamicWriterT { unDynamicWriterT :: StateT [Dynamic t w] m a }
92newtype DynamicWriterT t w m a = DynamicWriterT { unDynamicWriterT :: StateT [Dynamic t w] m a }
91− -- The list is kept in reverse order
93+ deriving (Functor, Applicative, Monad, MonadIO, MonadFix, MonadAsyncException, MonadException) -- The list is kept in reverse order
92− deriving
93− ( Functor
94− , Applicative
95− , Monad
96− , MonadTrans
97− , MFunctor
98− , MonadIO
99− , MonadFix
100− , MonadAsyncException
101− , MonadException
102− )
103
94
104deriving instance MonadHold t m => MonadHold t (DynamicWriterT t w m)
95deriving instance MonadHold t m => MonadHold t (DynamicWriterT t w m)
105deriving instance MonadSample t m => MonadSample t (DynamicWriterT t w m)
96deriving instance MonadSample t m => MonadSample t (DynamicWriterT t w m)
src/Reflex/DynamicWriter/Class.hs+1
@@ -26,3 +26,4 @@ class (Monad m, Monoid w) => DynamicWriter t w m | m -> t w where
26
26
27instance DynamicWriter t w m => DynamicWriter t w (ReaderT r m) where
27instance DynamicWriter t w m => DynamicWriter t w (ReaderT r m) where
28 tellDyn = lift . tellDyn
28 tellDyn = lift . tellDyn
29+
src/Reflex/EventWriter/Base.hs+5−16
@@ -35,14 +35,12 @@ import Reflex.TriggerEvent.Class
35
35
36import Control.Monad.Exception
36import Control.Monad.Exception
37import Control.Monad.Identity
37import Control.Monad.Identity
38−import Control.Monad.Morph
39import Control.Monad.Primitive
38import Control.Monad.Primitive
40import Control.Monad.Reader
39import Control.Monad.Reader
41import Control.Monad.Ref
40import Control.Monad.Ref
42import Control.Monad.State.Strict
41import Control.Monad.State.Strict
43−import Data.Dependent.Map (DMap)
42+import Data.Dependent.Map (DMap, DSum (..))
44import qualified Data.Dependent.Map as DMap
43import qualified Data.Dependent.Map as DMap
45−import Data.Dependent.Sum (DSum (..))
46import Data.Functor.Compose
44import Data.Functor.Compose
47import Data.Functor.Misc
45import Data.Functor.Misc
48import Data.GADT.Compare (GCompare (..), GEq (..), GOrdering (..))
46import Data.GADT.Compare (GCompare (..), GEq (..), GOrdering (..))
@@ -98,17 +96,7 @@ data EventWriterState t w = EventWriterState
98
96
99-- | A basic implementation of 'EventWriter'.
97-- | A basic implementation of 'EventWriter'.
100newtype EventWriterT t w m a = EventWriterT { unEventWriterT :: StateT (EventWriterState t w) m a }
98newtype EventWriterT t w m a = EventWriterT { unEventWriterT :: StateT (EventWriterState t w) m a }
101− deriving
99+ deriving (Functor, Applicative, Monad, MonadFix, MonadIO, MonadException, MonadAsyncException)
102− ( Functor
103− , Applicative
104− , Monad
105− , MonadTrans
106− , MFunctor
107− , MonadFix
108− , MonadIO
109− , MonadException
110− , MonadAsyncException
111− )
112
100
113-- | Run a 'EventWriterT' action.
101-- | Run a 'EventWriterT' action.
114runEventWriterT :: forall t m w a. (Reflex t, Monad m, Semigroup w) => EventWriterT t w m a -> m (a, Event t w)
102runEventWriterT :: forall t m w a. (Reflex t, Monad m, Semigroup w) => EventWriterT t w m a -> m (a, Event t w)
@@ -128,6 +116,9 @@ instance (Reflex t, Monad m, Semigroup w) => EventWriter t w (EventWriterT t w m
128 , _eventWriterState_told = (tellId myId :=> w) : _eventWriterState_told old
116 , _eventWriterState_told = (tellId myId :=> w) : _eventWriterState_told old
129 }
117 }
130
118
119+instance MonadTrans (EventWriterT t w) where
120+ lift = EventWriterT . lift
121+
131instance MonadSample t m => MonadSample t (EventWriterT t w m) where
122instance MonadSample t m => MonadSample t (EventWriterT t w m) where
132 sample = lift . sample
123 sample = lift . sample
133
124
@@ -142,8 +133,6 @@ instance MonadHold t m => MonadHold t (EventWriterT t w m) where
142 buildDynamic a0 = lift . buildDynamic a0
133 buildDynamic a0 = lift . buildDynamic a0
143 {-# INLINABLE headE #-}
134 {-# INLINABLE headE #-}
144 headE = lift . headE
135 headE = lift . headE
145− {-# INLINABLE now #-}
146− now = lift now
147
136
148instance (Reflex t, Adjustable t m, MonadHold t m, Semigroup w) => Adjustable t (EventWriterT t w m) where
137instance (Reflex t, Adjustable t m, MonadHold t m, Semigroup w) => Adjustable t (EventWriterT t w m) where
149 runWithReplace = runWithReplaceEventWriterTWith $ \dm0 dm' -> lift $ runWithReplace dm0 dm'
138 runWithReplace = runWithReplaceEventWriterTWith $ \dm0 dm' -> lift $ runWithReplace dm0 dm'
src/Reflex/FastWeak.hs−10
@@ -151,16 +151,6 @@ getFastWeakTicket w = do
151
151
152-- | Create a 'FastWeakTicket' directly from a value, creating a 'FastWeak' in the process
152-- | Create a 'FastWeakTicket' directly from a value, creating a 'FastWeak' in the process
153-- which can be obtained with 'getFastWeakTicketValue'.
153-- which can be obtained with 'getFastWeakTicketValue'.
154−--
155−-- This function is marked NOINLINE so it is opaque to GHC.
156−-- If we do not do this, then GHC will sometimes fuse the constructor away
157−-- so any weak references that are attached to the ticket will have their
158−-- finalizer run. Using the opaque constructor, GHC does not see the
159−-- constructor application, so it behaves like an IORef and cannot be fused away.
160−--
161−-- The result is also evaluated to WHNF, since forcing a thunk invalidates
162−-- the weak pointer to it in some cases.
163−{-# NOINLINE mkFastWeakTicket #-}
164mkFastWeakTicket :: a -> IO (FastWeakTicket a)
154mkFastWeakTicket :: a -> IO (FastWeakTicket a)
165-- I think it's fine if this is lazy - it'll retain the 'a', but so would the output; we just need to make sure it's forced before we start relying on the
155-- I think it's fine if this is lazy - it'll retain the 'a', but so would the output; we just need to make sure it's forced before we start relying on the
166-- associated FastWeak to actually be weak
156-- associated FastWeak to actually be weak
src/Reflex/Host/Headless.hsdeleted−128
@@ -1,128 +0,0 @@
1−{-# LANGUAGE LambdaCase #-}
2−{-# LANGUAGE FlexibleContexts #-}
3−{-# LANGUAGE RankNTypes #-}
4−{-# LANGUAGE TypeFamilies #-}
5−{-# LANGUAGE ConstraintKinds #-}
6−
7−module Reflex.Host.Headless where
8−
9−import Control.Concurrent.Chan (newChan, readChan)
10−import Control.Monad (unless)
11−import Control.Monad.Fix (MonadFix, fix)
12−import Control.Monad.IO.Class (MonadIO, liftIO)
13−import Control.Monad.Primitive (PrimMonad)
14−import Control.Monad.Ref (MonadRef, Ref, readRef)
15−import Data.Dependent.Sum (DSum (..), (==>))
16−import Data.Foldable (for_)
17−import Data.Functor.Identity (Identity(..))
18−import Data.IORef (IORef, readIORef)
19−import Data.Maybe (catMaybes, fromMaybe)
20−import Data.Traversable (for)
21−
22−import Reflex
23−import Reflex.Host.Class
24−
25−type MonadHeadlessApp t m =
26− ( Adjustable t m
27− , MonadFix m
28− , MonadHold t m
29− , MonadIO (HostFrame t)
30− , MonadIO (Performable m)
31− , MonadIO m
32− , MonadRef (HostFrame t)
33− , NotReady t m
34− , PerformEvent t m
35− , PostBuild t m
36− , PrimMonad (HostFrame t)
37− , Ref (HostFrame t) ~ IORef
38− , Ref m ~ IORef
39− , Reflex t
40− , ReflexHost t
41− , TriggerEvent t m
42− )
43−
44−-- | Run a headless FRP network. Inside the action, you will most probably use
45−-- the capabilities provided by the 'TriggerEvent' and 'PerformEvent' type
46−-- classes to interface the FRP network with the outside world. Useful for
47−-- testing. Each headless network runs on its own spider timeline.
48−runHeadlessApp
49− :: (forall t m. MonadHeadlessApp t m => m (Event t ()))
50− -- ^ The action to be run in the headless FRP network. The FRP network is
51− -- closed at the first occurrence of the resulting 'Event'.
52− -> IO ()
53−runHeadlessApp guest =
54− -- We are using the 'Spider' implementation of reflex. Running the host
55− -- allows us to take actions on the FRP timeline.
56− withSpiderTimeline $ runSpiderHostForTimeline $ do
57− -- Create the "post-build" event and associated trigger. This event fires
58− -- once, when the application starts.
59− (postBuild, postBuildTriggerRef) <- newEventWithTriggerRef
60− -- Create a queue to which we will write 'Event's that need to be
61− -- processed.
62− events <- liftIO newChan
63− -- Run the "guest" application, providing the appropriate context. We'll
64− -- pure the result of the action, and a 'FireCommand' that will be used to
65− -- trigger events.
66− (result, fc@(FireCommand fire)) <- do
67− hostPerformEventT $ -- Allows the guest app to run
68− -- 'performEvent', so that actions
69− -- (e.g., IO actions) can be run when
70− -- 'Event's fire.
71−
72− flip runPostBuildT postBuild $ -- Allows the guest app to access to
73− -- a "post-build" 'Event'
74−
75− flip runTriggerEventT events $ -- Allows the guest app to create new
76− -- events and triggers and write
77− -- those triggers to a channel from
78− -- which they will be read and
79− -- processed.
80− guest
81−
82− -- Read the trigger reference for the post-build event. This will be
83− -- 'Nothing' if the guest application hasn't subscribed to this event.
84− mPostBuildTrigger <- readRef postBuildTriggerRef
85−
86− -- Subscribe to an 'Event' of that the guest application can use to
87− -- request application shutdown. We'll check whether this 'Event' is firing
88− -- to determine whether to terminate.
89− shutdown <- subscribeEvent result
90−
91− -- When there is a subscriber to the post-build event, fire the event.
92− soa <- for mPostBuildTrigger $ \postBuildTrigger ->
93− fire [postBuildTrigger :=> Identity ()] $ isFiring shutdown
94−
95− -- The main application loop. We wait for new events and fire those that
96− -- have subscribers. If we detect a shutdown request, the application
97− -- terminates.
98− unless (or (fromMaybe [] soa)) $ fix $ \loop -> do
99− -- Read the next event (blocking).
100− ers <- liftIO $ readChan events
101− stop <- do
102− -- Fire events that have subscribers.
103− fireEventTriggerRefs fc ers $
104− -- Check if the shutdown 'Event' is firing.
105− isFiring shutdown
106− if or stop
107− then pure ()
108− else loop
109− where
110− isFiring ev = readEvent ev >>= \case
111− Nothing -> pure False
112− Just _ -> pure True
113− -- Use the given 'FireCommand' to fire events that have subscribers
114− -- and call the callback for the 'TriggerInvocation' of each.
115− fireEventTriggerRefs
116− :: MonadIO m
117− => FireCommand t m
118− -> [DSum (EventTriggerRef t) TriggerInvocation]
119− -> ReadPhase m a
120− -> m [a]
121− fireEventTriggerRefs (FireCommand fire) ers rcb = do
122− mes <- liftIO $
123− for ers $ \(EventTriggerRef er :=> TriggerInvocation a _) -> do
124− me <- readIORef er
125− pure $ fmap (==> a) me
126− a <- fire (catMaybes mes) rcb
127− liftIO $ for_ ers $ \(_ :=> TriggerInvocation _ cb) -> cb
128− pure a
src/Reflex/Network.hs+1−1
@@ -20,7 +20,7 @@ import Reflex.NotReady.Class
20import Reflex.PostBuild.Class
20import Reflex.PostBuild.Class
21
21
22-- | A 'Dynamic' "network": Takes a 'Dynamic' of network-creating actions and replaces the network whenever the 'Dynamic' updates.
22-- | A 'Dynamic' "network": Takes a 'Dynamic' of network-creating actions and replaces the network whenever the 'Dynamic' updates.
23−-- The returned Event of network results fires at post-build time and when the 'Dynamic' updates.
23+-- The returned Event of network results fires when the 'Dynamic' updates.
24-- Note: Often, the type 'a' is an Event, in which case the return value is an Event-of-Events, where the outer 'Event' fires
24-- Note: Often, the type 'a' is an Event, in which case the return value is an Event-of-Events, where the outer 'Event' fires
25-- when switching networks. Such an 'Event' would typically be flattened (via 'switchPromptly').
25-- when switching networks. Such an 'Event' would typically be flattened (via 'switchPromptly').
26networkView :: (NotReady t m, Adjustable t m, PostBuild t m) => Dynamic t (m a) -> m (Event t a)
26networkView :: (NotReady t m, Adjustable t m, PostBuild t m) => Dynamic t (m a) -> m (Event t a)
src/Reflex/Patch.hsnew file+46
@@ -0,0 +1,46 @@
1+{-# LANGUAGE TypeFamilies #-}
2+-- |
3+-- Module:
4+-- Reflex.Patch
5+-- Description:
6+-- This module defines the 'Patch' class, which is used by Reflex to manage
7+-- changes to 'Reflex.Class.Incremental' values.
8+module Reflex.Patch
9+ ( module Reflex.Patch
10+ , module X
11+ ) where
12+
13+import Reflex.Patch.Class as X
14+import Reflex.Patch.DMap as X hiding (getDeletions)
15+import Reflex.Patch.DMapWithMove as X (PatchDMapWithMove, const2PatchDMapWithMoveWith, mapPatchDMapWithMove,
16+ patchDMapWithMoveToPatchMapWithMoveWith,
17+ traversePatchDMapWithMoveWithKey, unPatchDMapWithMove,
18+ unsafePatchDMapWithMove, weakenPatchDMapWithMoveWith)
19+import Reflex.Patch.IntMap as X hiding (getDeletions)
20+import Reflex.Patch.Map as X
21+import Reflex.Patch.MapWithMove as X (PatchMapWithMove, patchMapWithMoveNewElements,
22+ patchMapWithMoveNewElementsMap, unPatchMapWithMove,
23+ unsafePatchMapWithMove)
24+import Data.Map.Monoidal (MonoidalMap)
25+import Data.Semigroup (Semigroup (..), (<>))
26+
27+-- | A 'Group' is a 'Monoid' where every element has an inverse.
28+class (Semigroup q, Monoid q) => Group q where
29+ negateG :: q -> q
30+ (~~) :: q -> q -> q
31+ r ~~ s = r <> negateG s
32+
33+-- | An 'Additive' 'Semigroup' is one where (<>) is commutative
34+class Semigroup q => Additive q where
35+
36+-- | The elements of an 'Additive' 'Semigroup' can be considered as patches of their own type.
37+newtype AdditivePatch p = AdditivePatch { unAdditivePatch :: p }
38+
39+instance Additive p => Patch (AdditivePatch p) where
40+ type PatchTarget (AdditivePatch p) = p
41+ apply (AdditivePatch p) q = Just $ p <> q
42+
43+instance (Ord k, Group q) => Group (MonoidalMap k q) where
44+ negateG = fmap negateG
45+
46+instance (Ord k, Additive q) => Additive (MonoidalMap k q)
src/Reflex/Patch/Class.hsnew file+34
@@ -0,0 +1,34 @@
1+{-# LANGUAGE TypeFamilies #-}
2+-- | The interface for types which represent changes made to other types
3+module Reflex.Patch.Class where
4+
5+import Control.Monad.Identity
6+import Data.Maybe
7+import Data.Semigroup (Semigroup(..))
8+
9+-- | A 'Patch' type represents a kind of change made to a datastructure.
10+--
11+-- If an instance of 'Patch' is also an instance of 'Semigroup', it should obey
12+-- the law that @applyAlways (f <> g) == applyAlways f . applyAlways g@.
13+class Patch p where
14+ type PatchTarget p :: *
15+ -- | Apply the patch @p a@ to the value @a@. If no change is needed, return
16+ -- 'Nothing'.
17+ apply :: p -> PatchTarget p -> Maybe (PatchTarget p)
18+
19+-- | Apply a 'Patch'; if it does nothing, return the original value
20+applyAlways :: Patch p => p -> PatchTarget p -> PatchTarget p
21+applyAlways p t = fromMaybe t $ apply p t
22+
23+-- | 'Identity' can be used as a 'Patch' that always fully replaces the value
24+instance Patch (Identity a) where
25+ type PatchTarget (Identity a) = a
26+ apply (Identity a) _ = Just a
27+
28+-- | Like '(.)', but composes functions that return patches rather than
29+-- functions that return new values. The Semigroup instance for patches must
30+-- apply patches right-to-left, like '(.)'.
31+composePatchFunctions :: (Patch p, Semigroup p) => (PatchTarget p -> p) -> (PatchTarget p -> p) -> PatchTarget p -> p
32+composePatchFunctions g f a =
33+ let fp = f a
34+ in g (applyAlways fp a) <> fp
src/Reflex/Patch/DMap.hsnew file+82
@@ -0,0 +1,82 @@
1+{-# LANGUAGE GeneralizedNewtypeDeriving #-}
2+{-# LANGUAGE LambdaCase #-}
3+{-# LANGUAGE PolyKinds #-}
4+{-# LANGUAGE Rank2Types #-}
5+{-# LANGUAGE ScopedTypeVariables #-}
6+{-# LANGUAGE StandaloneDeriving #-}
7+{-# LANGUAGE TypeFamilies #-}
8+-- | 'Patch'es on 'DMap' that consist only of insertions (or overwrites) and deletions.
9+module Reflex.Patch.DMap where
10+
11+import Reflex.Patch.Class
12+import Reflex.Patch.IntMap
13+import Reflex.Patch.Map
14+
15+import Data.Dependent.Map (DMap, DSum (..), GCompare (..))
16+import qualified Data.Dependent.Map as DMap
17+import Data.Functor.Constant
18+import Data.Functor.Misc
19+import qualified Data.IntMap as IntMap
20+import qualified Data.Map as Map
21+import Data.Semigroup (Semigroup (..))
22+import Data.Some (Some)
23+
24+-- | A set of changes to a 'DMap'. Any element may be inserted/updated or deleted.
25+-- Insertions are represented as @'ComposeMaybe' (Just value)@,
26+-- while deletions are represented as @'ComposeMaybe' Nothing@.
27+newtype PatchDMap k v = PatchDMap { unPatchDMap :: DMap k (ComposeMaybe v) }
28+
29+deriving instance GCompare k => Semigroup (PatchDMap k v)
30+
31+deriving instance GCompare k => Monoid (PatchDMap k v)
32+
33+-- | Apply the insertions or deletions to a given 'DMap'.
34+instance GCompare k => Patch (PatchDMap k v) where
35+ type PatchTarget (PatchDMap k v) = DMap k v
36+ apply (PatchDMap diff) old = Just $! insertions `DMap.union` (old `DMap.difference` deletions) --TODO: return Nothing sometimes --Note: the strict application here is critical to ensuring that incremental merges don't hold onto all their prerequisite events forever; can we make this more robust?
37+ where insertions = DMap.mapMaybeWithKey (const $ getComposeMaybe) diff
38+ deletions = DMap.mapMaybeWithKey (const $ nothingToJust . getComposeMaybe) diff
39+ nothingToJust = \case
40+ Nothing -> Just $ Constant ()
41+ Just _ -> Nothing
42+
43+-- | Map a function @v a -> v' a@ over any inserts/updates in the given
44+-- @'PatchDMap' k v@ to produce a @'PatchDMap' k v'@.
45+mapPatchDMap :: (forall a. v a -> v' a) -> PatchDMap k v -> PatchDMap k v'
46+mapPatchDMap f (PatchDMap p) = PatchDMap $ DMap.map (ComposeMaybe . fmap f . getComposeMaybe) p
47+
48+-- | Map an effectful function @v a -> f (v' a)@ over any inserts/updates in the given
49+-- @'PatchDMap' k v@ to produce a @'PatchDMap' k v'@.
50+traversePatchDMap :: Applicative f => (forall a. v a -> f (v' a)) -> PatchDMap k v -> f (PatchDMap k v')
51+traversePatchDMap f = traversePatchDMapWithKey $ const f
52+
53+-- | Map an effectful function @k a -> v a -> f (v' a)@ over any inserts/updates
54+-- in the given @'PatchDMap' k v@ to produce a @'PatchDMap' k v'@.
55+traversePatchDMapWithKey :: Applicative m => (forall a. k a -> v a -> m (v' a)) -> PatchDMap k v -> m (PatchDMap k v')
56+traversePatchDMapWithKey f (PatchDMap p) = PatchDMap <$> DMap.traverseWithKey (\k (ComposeMaybe v) -> ComposeMaybe <$> traverse (f k) v) p
57+
58+-- | Weaken a @'PatchDMap' k v@ to a @'PatchMap' (Some k) v'@ using a function
59+-- @v a -> v'@ to weaken each value contained in the patch.
60+weakenPatchDMapWith :: (forall a. v a -> v') -> PatchDMap k v -> PatchMap (Some k) v'
61+weakenPatchDMapWith f (PatchDMap p) = PatchMap $ weakenDMapWith (fmap f . getComposeMaybe) p
62+
63+-- | Convert a weak @'PatchDMap' ('Const2' k a) v@ where the @a@ is known by way of
64+-- the @Const2@ into a @'PatchMap' k v'@ using a rank 1 function @v a -> v'@.
65+patchDMapToPatchMapWith :: (v a -> v') -> PatchDMap (Const2 k a) v -> PatchMap k v'
66+patchDMapToPatchMapWith f (PatchDMap p) = PatchMap $ dmapToMapWith (fmap f . getComposeMaybe) p
67+
68+-- | Convert a @'PatchMap' k v@ into a @'PatchDMap' ('Const2' k a) v'@ using a function @v -> v' a@.
69+const2PatchDMapWith :: forall k v v' a. (v -> v' a) -> PatchMap k v -> PatchDMap (Const2 k a) v'
70+const2PatchDMapWith f (PatchMap p) = PatchDMap $ DMap.fromDistinctAscList $ g <$> Map.toAscList p
71+ where g :: (k, Maybe v) -> DSum (Const2 k a) (ComposeMaybe v')
72+ g (k, e) = Const2 k :=> ComposeMaybe (f <$> e)
73+
74+-- | Convert a @'PatchIntMap' v@ into a @'PatchDMap' ('Const2' Int a) v'@ using a function @v -> v' a@.
75+const2IntPatchDMapWith :: forall v f a. (v -> f a) -> PatchIntMap v -> PatchDMap (Const2 IntMap.Key a) f
76+const2IntPatchDMapWith f (PatchIntMap p) = PatchDMap $ DMap.fromDistinctAscList $ g <$> IntMap.toAscList p
77+ where g :: (IntMap.Key, Maybe v) -> DSum (Const2 IntMap.Key a) (ComposeMaybe f)
78+ g (k, e) = Const2 k :=> ComposeMaybe (f <$> e)
79+
80+-- | Get the values that will be replaced or deleted if the given patch is applied to the given 'DMap'.
81+getDeletions :: GCompare k => PatchDMap k v -> DMap k v' -> DMap k v'
82+getDeletions (PatchDMap p) m = DMap.intersectionWithKey (\_ v _ -> v) m p
src/Reflex/Patch/DMapWithMove.hsnew file+363
@@ -0,0 +1,363 @@
1+{-# LANGUAGE CPP #-}
2+{-# LANGUAGE FlexibleContexts #-}
3+{-# LANGUAGE FlexibleInstances #-}
4+{-# LANGUAGE GADTs #-}
5+{-# LANGUAGE LambdaCase #-}
6+{-# LANGUAGE MultiParamTypeClasses #-}
7+{-# LANGUAGE PatternGuards #-}
8+{-# LANGUAGE PolyKinds #-}
9+{-# LANGUAGE Rank2Types #-}
10+{-# LANGUAGE ScopedTypeVariables #-}
11+{-# LANGUAGE TypeFamilies #-}
12+{-# LANGUAGE UndecidableInstances #-}
13+
14+-- |Module containing @'PatchDMapWithMove' k v@ and associated functions, which represents a 'Patch' to a @'DMap' k v@ which can insert, update, delete, and
15+-- move values between keys.
16+module Reflex.Patch.DMapWithMove where
17+
18+import Reflex.Patch.Class
19+import Reflex.Patch.MapWithMove (PatchMapWithMove (..))
20+import qualified Reflex.Patch.MapWithMove as MapWithMove
21+
22+import Data.Constraint.Extras
23+import Data.Dependent.Map (DMap, DSum (..), GCompare (..))
24+import qualified Data.Dependent.Map as DMap
25+import Data.Functor.Constant
26+import Data.Functor.Misc
27+import Data.Functor.Product
28+import Data.GADT.Compare (GEq (..))
29+import Data.GADT.Show (GShow, gshow)
30+import qualified Data.Map as Map
31+import Data.Maybe
32+import Data.Semigroup (Semigroup (..), (<>))
33+import Data.Some (Some(Some))
34+import Data.These
35+
36+-- | Like 'PatchMapWithMove', but for 'DMap'. Each key carries a 'NodeInfo' which describes how it will be changed by the patch and connects move sources and
37+-- destinations.
38+--
39+-- Invariants:
40+--
41+-- * A key should not move to itself.
42+-- * A move should always be represented with both the destination key (as a 'From_Move') and the source key (as a @'ComposeMaybe' ('Just' destination)@)
43+newtype PatchDMapWithMove k v = PatchDMapWithMove (DMap k (NodeInfo k v))
44+
45+-- |Structure which represents what changes apply to a particular key. @_nodeInfo_from@ specifies what happens to this key, and in particular what other key
46+-- the current key is moving from, while @_nodeInfo_to@ specifies what key the current key is moving to if involved in a move.
47+data NodeInfo k v a = NodeInfo
48+ { _nodeInfo_from :: !(From k v a)
49+ -- ^Change applying to the current key, be it an insert, move, or delete.
50+ , _nodeInfo_to :: !(To k a)
51+ -- ^Where this key is moving to, if involved in a move. Should only be @ComposeMaybe (Just k)@ when there is a corresponding 'From_Move'.
52+ }
53+ deriving (Show)
54+
55+-- |Structure describing a particular change to a key, be it inserting a new key (@From_Insert@), updating an existing key (@From_Insert@ again), deleting a
56+-- key (@From_Delete@), or moving a key (@From_Move@).
57+data From (k :: a -> *) (v :: a -> *) :: a -> * where
58+ -- |Insert a new or update an existing key with the given value @v a@
59+ From_Insert :: v a -> From k v a
60+ -- |Delete the existing key
61+ From_Delete :: From k v a
62+ -- |Move the value from the given key @k a@ to this key. The source key should also have an entry in the patch giving the current key as @_nodeInfo_to@,
63+ -- usually but not necessarily with @From_Delete@.
64+ From_Move :: !(k a) -> From k v a
65+ deriving (Show, Read, Eq, Ord)
66+
67+-- |Type alias for the "to" part of a 'NodeInfo'. @'ComposeMaybe' ('Just' k)@ means the key is moving to another key, @ComposeMaybe Nothing@ for any other
68+-- operation.
69+type To = ComposeMaybe
70+
71+-- |Test whether a 'PatchDMapWithMove' satisfies its invariants.
72+validPatchDMapWithMove :: forall k v. (GCompare k, GShow k) => DMap k (NodeInfo k v) -> Bool
73+validPatchDMapWithMove = not . null . validationErrorsForPatchDMapWithMove
74+
75+-- |Enumerate what reasons a 'PatchDMapWithMove' doesn't satisfy its invariants, returning @[]@ if it's valid.
76+validationErrorsForPatchDMapWithMove :: forall k v. (GCompare k, GShow k) => DMap k (NodeInfo k v) -> [String]
77+validationErrorsForPatchDMapWithMove m =
78+ noSelfMoves <> movesBalanced
79+ where
80+ noSelfMoves = mapMaybe selfMove . DMap.toAscList $ m
81+ selfMove (dst :=> NodeInfo (From_Move src) _) | Just _ <- dst `geq` src = Just $ "self move of key " <> gshow src <> " at destination side"
82+ selfMove (src :=> NodeInfo _ (ComposeMaybe (Just dst))) | Just _ <- src `geq` dst = Just $ "self move of key " <> gshow dst <> " at source side"
83+ selfMove _ = Nothing
84+ movesBalanced = mapMaybe unbalancedMove . DMap.toAscList $ m
85+ unbalancedMove (dst :=> NodeInfo (From_Move src) _) =
86+ case DMap.lookup src m of
87+ Nothing -> Just $ "unbalanced move at destination key " <> gshow dst <> " supposedly from " <> gshow src <> " but source key is not in the patch"
88+ Just (NodeInfo _ (ComposeMaybe (Just dst'))) ->
89+ if isNothing (dst' `geq` dst)
90+ then Just $ "unbalanced move at destination key " <> gshow dst <> " from " <> gshow src <> " is going to " <> gshow dst' <> " instead"
91+ else Nothing
92+ _ ->
93+ Just $ "unbalanced move at destination key " <> gshow dst <> " supposedly from " <> gshow src <> " but source key has no move to key"
94+ unbalancedMove (src :=> NodeInfo _ (ComposeMaybe (Just dst))) =
95+ case DMap.lookup dst m of
96+ Nothing -> Just $ " unbalanced move at source key " <> gshow src <> " supposedly going to " <> gshow dst <> " but destination key is not in the patch"
97+ Just (NodeInfo (From_Move src') _) ->
98+ if isNothing (src' `geq` src)
99+ then Just $ "unbalanced move at source key " <> gshow src <> " to " <> gshow dst <> " is coming from " <> gshow src' <> " instead"
100+ else Nothing
101+
102+ _ ->
103+ Just $ "unbalanced move at source key " <> gshow src <> " supposedly going to " <> gshow dst <> " but destination key is not moving"
104+ unbalancedMove _ = Nothing
105+
106+-- |Test whether two @'PatchDMapWithMove' k v@ contain the same patch operations.
107+instance (GEq k, Has' Eq k (NodeInfo k v)) => Eq (PatchDMapWithMove k v) where
108+ PatchDMapWithMove a == PatchDMapWithMove b = a == b
109+
110+-- |Higher kinded 2-tuple, identical to @Data.Functor.Product@ from base ≥ 4.9
111+data Pair1 f g a = Pair1 (f a) (g a)
112+
113+-- |Helper data structure used for composing patches using the monoid instance.
114+data Fixup k v a
115+ = Fixup_Delete
116+ | Fixup_Update (These (From k v a) (To k a))
117+
118+-- |Compose patches having the same effect as applying the patches in turn: @'applyAlways' (p <> q) == 'applyAlways' p . 'applyAlways' q@
119+instance GCompare k => Semigroup (PatchDMapWithMove k v) where
120+ PatchDMapWithMove ma <> PatchDMapWithMove mb = PatchDMapWithMove m
121+ where
122+ connections = DMap.toList $ DMap.intersectionWithKey (\_ a b -> Pair1 (_nodeInfo_to a) (_nodeInfo_from b)) ma mb
123+ h :: DSum k (Pair1 (ComposeMaybe k) (From k v)) -> [DSum k (Fixup k v)]
124+ h (_ :=> Pair1 (ComposeMaybe mToAfter) editBefore) = case (mToAfter, editBefore) of
125+ (Just toAfter, From_Move fromBefore)
126+ | isJust $ fromBefore `geq` toAfter
127+ -> [toAfter :=> Fixup_Delete]
128+ | otherwise
129+ -> [ toAfter :=> Fixup_Update (This editBefore)
130+ , fromBefore :=> Fixup_Update (That (ComposeMaybe mToAfter))
131+ ]
132+ (Nothing, From_Move fromBefore) -> [fromBefore :=> Fixup_Update (That (ComposeMaybe mToAfter))] -- The item is destroyed in the second patch, so indicate that it is destroyed in the source map
133+ (Just toAfter, _) -> [toAfter :=> Fixup_Update (This editBefore)]
134+ (Nothing, _) -> []
135+ mergeFixups _ Fixup_Delete Fixup_Delete = Fixup_Delete
136+ mergeFixups _ (Fixup_Update a) (Fixup_Update b)
137+ | This x <- a, That y <- b
138+ = Fixup_Update $ These x y
139+ | That y <- a, This x <- b
140+ = Fixup_Update $ These x y
141+ mergeFixups _ _ _ = error "PatchDMapWithMove: incompatible fixups"
142+ fixups = DMap.fromListWithKey mergeFixups $ concatMap h connections
143+ combineNodeInfos _ nia nib = NodeInfo
144+ { _nodeInfo_from = _nodeInfo_from nia
145+ , _nodeInfo_to = _nodeInfo_to nib
146+ }
147+ applyFixup _ ni = \case
148+ Fixup_Delete -> Nothing
149+ Fixup_Update u -> Just $ NodeInfo
150+ { _nodeInfo_from = fromMaybe (_nodeInfo_from ni) $ getHere u
151+ , _nodeInfo_to = fromMaybe (_nodeInfo_to ni) $ getThere u
152+ }
153+ m = DMap.differenceWithKey applyFixup (DMap.unionWithKey combineNodeInfos ma mb) fixups
154+ getHere :: These a b -> Maybe a
155+ getHere = \case
156+ This a -> Just a
157+ These a _ -> Just a
158+ That _ -> Nothing
159+ getThere :: These a b -> Maybe b
160+ getThere = \case
161+ This _ -> Nothing
162+ These _ b -> Just b
163+ That b -> Just b
164+
165+-- |Compose patches having the same effect as applying the patches in turn: @'applyAlways' (p <> q) == 'applyAlways' p . 'applyAlways' q@
166+instance GCompare k => Monoid (PatchDMapWithMove k v) where
167+ mempty = PatchDMapWithMove mempty
168+ mappend = (<>)
169+
170+{-
171+mappendPatchDMapWithMoveSlow :: forall k v. (ShowTag k v, GCompare k) => PatchDMapWithMove k v -> PatchDMapWithMove k v -> PatchDMapWithMove k v
172+PatchDMapWithMove dstAfter srcAfter `mappendPatchDMapWithMoveSlow` PatchDMapWithMove dstBefore srcBefore = PatchDMapWithMove dst src
173+ where
174+ getDstAction k m = fromMaybe (From_Move k) $ DMap.lookup k m -- Any key that isn't present is treated as that key moving to itself
175+ removeRedundantDst toKey (From_Move fromKey) | isJust (toKey `geq` fromKey) = Nothing
176+ removeRedundantDst _ a = Just a
177+ f :: forall a. k a -> From k v a -> Maybe (From k v a)
178+ f toKey _ = removeRedundantDst toKey $ case getDstAction toKey dstAfter of
179+ From_Move fromKey -> getDstAction fromKey dstBefore
180+ nonMove -> nonMove
181+ dst = DMap.mapMaybeWithKey f $ DMap.union dstAfter dstBefore
182+ getSrcAction k m = fromMaybe (ComposeMaybe $ Just k) $ DMap.lookup k m
183+ removeRedundantSrc fromKey (ComposeMaybe (Just toKey)) | isJust (fromKey `geq` toKey) = Nothing
184+ removeRedundantSrc _ a = Just a
185+ g :: forall a. k a -> ComposeMaybe k a -> Maybe (ComposeMaybe k a)
186+ g fromKey _ = removeRedundantSrc fromKey $ case getSrcAction fromKey srcBefore of
187+ ComposeMaybe Nothing -> ComposeMaybe Nothing
188+ ComposeMaybe (Just toKeyBefore) -> getSrcAction toKeyBefore srcAfter
189+ src = DMap.mapMaybeWithKey g $ DMap.union srcAfter srcBefore
190+-}
191+
192+-- |Make a @'PatchDMapWithMove' k v@ which has the effect of inserting or updating a value @v a@ to the given key @k a@, like 'DMap.insert'.
193+insertDMapKey :: k a -> v a -> PatchDMapWithMove k v
194+insertDMapKey k v =
195+ PatchDMapWithMove . DMap.singleton k $ NodeInfo (From_Insert v) (ComposeMaybe Nothing)
196+
197+-- |Make a @'PatchDMapWithMove' k v@ which has the effect of moving the value from the first key @k a@ to the second key @k a@, equivalent to:
198+--
199+-- @
200+-- 'DMap.delete' src (maybe dmap ('DMap.insert' dst) (DMap.lookup src dmap))
201+-- @
202+moveDMapKey :: GCompare k => k a -> k a -> PatchDMapWithMove k v
203+moveDMapKey src dst = case src `geq` dst of
204+ Nothing -> PatchDMapWithMove $ DMap.fromList
205+ [ dst :=> NodeInfo (From_Move src) (ComposeMaybe Nothing)
206+ , src :=> NodeInfo From_Delete (ComposeMaybe $ Just dst)
207+ ]
208+ Just _ -> mempty
209+
210+-- |Make a @'PatchDMapWithMove' k v@ which has the effect of swapping two keys in the mapping, equivalent to:
211+--
212+-- @
213+-- let aMay = DMap.lookup a dmap
214+-- bMay = DMap.lookup b dmap
215+-- in maybe id (DMap.insert a) (bMay `mplus` aMay)
216+-- . maybe id (DMap.insert b) (aMay `mplus` bMay)
217+-- . DMap.delete a . DMap.delete b $ dmap
218+-- @
219+swapDMapKey :: GCompare k => k a -> k a -> PatchDMapWithMove k v
220+swapDMapKey src dst = case src `geq` dst of
221+ Nothing -> PatchDMapWithMove $ DMap.fromList
222+ [ dst :=> NodeInfo (From_Move src) (ComposeMaybe $ Just src)
223+ , src :=> NodeInfo (From_Move dst) (ComposeMaybe $ Just dst)
224+ ]
225+ Just _ -> mempty
226+
227+-- |Make a @'PatchDMapWithMove' k v@ which has the effect of deleting a key in the mapping, equivalent to 'DMap.delete'.
228+deleteDMapKey :: k a -> PatchDMapWithMove k v
229+deleteDMapKey k = PatchDMapWithMove $ DMap.singleton k $ NodeInfo From_Delete $ ComposeMaybe Nothing
230+
231+{-
232+k1, k2 :: Const2 Int () ()
233+k1 = Const2 1
234+k2 = Const2 2
235+p1, p2 :: PatchDMapWithMove (Const2 Int ()) Identity
236+p1 = moveDMapKey k1 k2
237+p2 = moveDMapKey k2 k1
238+p12 = p1 <> p2
239+p21 = p2 <> p1
240+p12Slow = p1 `mappendPatchDMapWithMoveSlow` p2
241+p21Slow = p2 `mappendPatchDMapWithMoveSlow` p1
242+
243+testPatchDMapWithMove = do
244+ print p1
245+ print p2
246+ print $ p12 == deleteDMapKey k1
247+ print $ p21 == deleteDMapKey k2
248+ print $ p12Slow == deleteDMapKey k1
249+ print $ p21Slow == deleteDMapKey k2
250+
251+dst (PatchDMapWithMove x _) = x
252+src (PatchDMapWithMove _ x) = x
253+-}
254+
255+-- |Extract the 'DMap' representing the patch changes from the 'PatchDMapWithMove'.
256+unPatchDMapWithMove :: PatchDMapWithMove k v -> DMap k (NodeInfo k v)
257+unPatchDMapWithMove (PatchDMapWithMove p) = p
258+
259+-- |Wrap a 'DMap' representing patch changes into a 'PatchDMapWithMove', without checking any invariants.
260+--
261+-- __Warning:__ when using this function, you must ensure that the invariants of 'PatchDMapWithMove' are preserved; they will not be checked.
262+unsafePatchDMapWithMove :: DMap k (NodeInfo k v) -> PatchDMapWithMove k v
263+unsafePatchDMapWithMove = PatchDMapWithMove
264+
265+-- |Wrap a 'DMap' representing patch changes into a 'PatchDMapWithMove' while checking invariants. If the invariants are satisfied, @Right p@ is returned
266+-- otherwise @Left errors@.
267+patchDMapWithMove :: (GCompare k, GShow k) => DMap k (NodeInfo k v) -> Either [String] (PatchDMapWithMove k v)
268+patchDMapWithMove dm =
269+ case validationErrorsForPatchDMapWithMove dm of
270+ [] -> Right $ unsafePatchDMapWithMove dm
271+ errs -> Left errs
272+
273+-- |Map a natural transform @v -> v'@ over the given patch, transforming @'PatchDMapWithMove' k v@ into @'PatchDMapWithMove' k v'@.
274+mapPatchDMapWithMove :: forall k v v'. (forall a. v a -> v' a) -> PatchDMapWithMove k v -> PatchDMapWithMove k v'
275+mapPatchDMapWithMove f (PatchDMapWithMove p) = PatchDMapWithMove $
276+ DMap.map (\ni -> ni { _nodeInfo_from = g $ _nodeInfo_from ni }) p
277+ where g :: forall a. From k v a -> From k v' a
278+ g = \case
279+ From_Insert v -> From_Insert $ f v
280+ From_Delete -> From_Delete
281+ From_Move k -> From_Move k
282+
283+-- |Traverse an effectful function @forall a. v a -> m (v ' a)@ over the given patch, transforming @'PatchDMapWithMove' k v@ into @m ('PatchDMapWithMove' k v')@.
284+traversePatchDMapWithMove :: forall m k v v'. Applicative m => (forall a. v a -> m (v' a)) -> PatchDMapWithMove k v -> m (PatchDMapWithMove k v')
285+traversePatchDMapWithMove f = traversePatchDMapWithMoveWithKey $ const f
286+
287+-- |Map an effectful function @forall a. k a -> v a -> m (v ' a)@ over the given patch, transforming @'PatchDMapWithMove' k v@ into @m ('PatchDMapWithMove' k v')@.
288+traversePatchDMapWithMoveWithKey :: forall m k v v'. Applicative m => (forall a. k a -> v a -> m (v' a)) -> PatchDMapWithMove k v -> m (PatchDMapWithMove k v')
289+traversePatchDMapWithMoveWithKey f (PatchDMapWithMove p) = PatchDMapWithMove <$> DMap.traverseWithKey (nodeInfoMapFromM . g) p
290+ where g :: forall a. k a -> From k v a -> m (From k v' a)
291+ g k = \case
292+ From_Insert v -> From_Insert <$> f k v
293+ From_Delete -> pure From_Delete
294+ From_Move fromKey -> pure $ From_Move fromKey
295+
296+-- |Map a function which transforms @'From' k v a@ into a @'From' k v' a@ over a @'NodeInfo' k v a@.
297+nodeInfoMapFrom :: (From k v a -> From k v' a) -> NodeInfo k v a -> NodeInfo k v' a
298+nodeInfoMapFrom f ni = ni { _nodeInfo_from = f $ _nodeInfo_from ni }
299+
300+-- |Map an effectful function which transforms @'From' k v a@ into a @f ('From' k v' a)@ over a @'NodeInfo' k v a@.
301+nodeInfoMapFromM :: Functor f => (From k v a -> f (From k v' a)) -> NodeInfo k v a -> f (NodeInfo k v' a)
302+nodeInfoMapFromM f ni = fmap (\result -> ni { _nodeInfo_from = result }) $ f $ _nodeInfo_from ni
303+
304+-- |Weaken a 'PatchDMapWithMove' to a 'PatchMapWithMove' by weakening the keys from @k a@ to @'Some' k@ and applying a given weakening function @v a -> v'@ to
305+-- values.
306+weakenPatchDMapWithMoveWith :: forall k v v'. (forall a. v a -> v') -> PatchDMapWithMove k v -> PatchMapWithMove (Some k) v'
307+weakenPatchDMapWithMoveWith f (PatchDMapWithMove p) = PatchMapWithMove $ weakenDMapWith g p
308+ where g :: forall a. NodeInfo k v a -> MapWithMove.NodeInfo (Some k) v'
309+ g ni = MapWithMove.NodeInfo
310+ { MapWithMove._nodeInfo_from = case _nodeInfo_from ni of
311+ From_Insert v -> MapWithMove.From_Insert $ f v
312+ From_Delete -> MapWithMove.From_Delete
313+ From_Move k -> MapWithMove.From_Move $ Some k
314+ , MapWithMove._nodeInfo_to = Some <$> getComposeMaybe (_nodeInfo_to ni)
315+ }
316+
317+-- |"Weaken" a @'PatchDMapWithMove' (Const2 k a) v@ to a @'PatchMapWithMove' k v'@. Weaken is in scare quotes because the 'Const2' has already disabled any
318+-- dependency in the typing and all points are already @a@, hence the function to map each value to @v'@ is not higher rank.
319+patchDMapWithMoveToPatchMapWithMoveWith :: forall k v v' a. (v a -> v') -> PatchDMapWithMove (Const2 k a) v -> PatchMapWithMove k v'
320+patchDMapWithMoveToPatchMapWithMoveWith f (PatchDMapWithMove p) = PatchMapWithMove $ dmapToMapWith g p
321+ where g :: NodeInfo (Const2 k a) v a -> MapWithMove.NodeInfo k v'
322+ g ni = MapWithMove.NodeInfo
323+ { MapWithMove._nodeInfo_from = case _nodeInfo_from ni of
324+ From_Insert v -> MapWithMove.From_Insert $ f v
325+ From_Delete -> MapWithMove.From_Delete
326+ From_Move (Const2 k) -> MapWithMove.From_Move k
327+ , MapWithMove._nodeInfo_to = unConst2 <$> getComposeMaybe (_nodeInfo_to ni)
328+ }
329+
330+-- |"Strengthen" a @'PatchMapWithMove' k v@ into a @'PatchDMapWithMove ('Const2' k a)@; that is, turn a non-dependently-typed patch into a dependently typed
331+-- one but which always has a constant key type represented by 'Const2'. Apply the given function to each @v@ to produce a @v' a@.
332+-- Completemented by 'patchDMapWithMoveToPatchMapWithMoveWith'
333+const2PatchDMapWithMoveWith :: forall k v v' a. (v -> v' a) -> PatchMapWithMove k v -> PatchDMapWithMove (Const2 k a) v'
334+const2PatchDMapWithMoveWith f (PatchMapWithMove p) = PatchDMapWithMove $ DMap.fromDistinctAscList $ g <$> Map.toAscList p
335+ where g :: (k, MapWithMove.NodeInfo k v) -> DSum (Const2 k a) (NodeInfo (Const2 k a) v')
336+ g (k, ni) = Const2 k :=> NodeInfo
337+ { _nodeInfo_from = case MapWithMove._nodeInfo_from ni of
338+ MapWithMove.From_Insert v -> From_Insert $ f v
339+ MapWithMove.From_Delete -> From_Delete
340+ MapWithMove.From_Move fromKey -> From_Move $ Const2 fromKey
341+ , _nodeInfo_to = ComposeMaybe $ Const2 <$> MapWithMove._nodeInfo_to ni
342+ }
343+
344+-- | Apply the insertions, deletions, and moves to a given 'DMap'.
345+instance GCompare k => Patch (PatchDMapWithMove k v) where
346+ type PatchTarget (PatchDMapWithMove k v) = DMap k v
347+ apply (PatchDMapWithMove p) old = Just $! insertions `DMap.union` (old `DMap.difference` deletions) --TODO: return Nothing sometimes --Note: the strict application here is critical to ensuring that incremental merges don't hold onto all their prerequisite events forever; can we make this more robust?
348+ where insertions = DMap.mapMaybeWithKey insertFunc p
349+ insertFunc :: forall a. k a -> NodeInfo k v a -> Maybe (v a)
350+ insertFunc _ ni = case _nodeInfo_from ni of
351+ From_Insert v -> Just v
352+ From_Move k -> DMap.lookup k old
353+ From_Delete -> Nothing
354+ deletions = DMap.mapMaybeWithKey deleteFunc p
355+ deleteFunc :: forall a. k a -> NodeInfo k v a -> Maybe (Constant () a)
356+ deleteFunc _ ni = case _nodeInfo_from ni of
357+ From_Delete -> Just $ Constant ()
358+ _ -> Nothing
359+
360+-- | Get the values that will be replaced, deleted, or moved if the given patch is applied to the given 'DMap'.
361+getDeletionsAndMoves :: GCompare k => PatchDMapWithMove k v -> DMap k v' -> DMap k (Product v' (ComposeMaybe k))
362+getDeletionsAndMoves (PatchDMapWithMove p) m = DMap.intersectionWithKey f m p
363+ where f _ v ni = Pair v $ _nodeInfo_to ni
src/Reflex/Patch/IntMap.hsnew file+59
@@ -0,0 +1,59 @@
1+{-# LANGUAGE DeriveFoldable #-}
2+{-# LANGUAGE DeriveFunctor #-}
3+{-# LANGUAGE DeriveTraversable #-}
4+{-# LANGUAGE GeneralizedNewtypeDeriving #-}
5+{-# LANGUAGE TypeFamilies #-}
6+-- | Module containing 'PatchIntMap', a 'Patch' for 'IntMap' which allows for
7+-- insert/update or delete of associations.
8+module Reflex.Patch.IntMap where
9+
10+import Data.IntMap.Strict (IntMap)
11+import qualified Data.IntMap.Strict as IntMap
12+import Data.Maybe
13+import Data.Semigroup
14+import Reflex.Patch.Class
15+
16+-- | 'Patch' for 'IntMap' which represents insertion or deletion of keys in the mapping.
17+-- Internally represented by 'IntMap (Maybe a)', where @Just@ means insert/update
18+-- and @Nothing@ means delete.
19+newtype PatchIntMap a = PatchIntMap (IntMap (Maybe a)) deriving (Functor, Foldable, Traversable, Monoid)
20+
21+-- | Apply the insertions or deletions to a given 'IntMap'.
22+instance Patch (PatchIntMap a) where
23+ type PatchTarget (PatchIntMap a) = IntMap a
24+ apply (PatchIntMap p) v = if IntMap.null p then Nothing else Just $
25+ let removes = IntMap.filter isNothing p
26+ adds = IntMap.mapMaybe id p
27+ in IntMap.union adds $ v `IntMap.difference` removes
28+
29+-- | @a <> b@ will apply the changes of @b@ and then apply the changes of @a@.
30+-- If the same key is modified by both patches, the one on the left will take
31+-- precedence.
32+instance Semigroup (PatchIntMap v) where
33+ PatchIntMap a <> PatchIntMap b = PatchIntMap $ a `mappend` b --TODO: Add a semigroup instance for Map
34+ -- PatchMap is idempotent, so stimes n is id for every n
35+ stimes = stimesIdempotentMonoid
36+
37+-- | Map a function @Int -> a -> b@ over all @a@s in the given @'PatchIntMap' a@
38+-- (that is, all inserts/updates), producing a @PatchIntMap b@.
39+mapIntMapPatchWithKey :: (Int -> a -> b) -> PatchIntMap a -> PatchIntMap b
40+mapIntMapPatchWithKey f (PatchIntMap m) = PatchIntMap $ IntMap.mapWithKey (\ k mv -> f k <$> mv) m
41+
42+-- | Map an effectful function @Int -> a -> f b@ over all @a@s in the given @'PatchIntMap' a@
43+-- (that is, all inserts/updates), producing a @f (PatchIntMap b)@.
44+traverseIntMapPatchWithKey :: Applicative f => (Int -> a -> f b) -> PatchIntMap a -> f (PatchIntMap b)
45+traverseIntMapPatchWithKey f (PatchIntMap m) = PatchIntMap <$> IntMap.traverseWithKey (\k mv -> traverse (f k) mv) m
46+
47+-- | Extract all @a@s inserted/updated by the given @'PatchIntMap' a@.
48+patchIntMapNewElements :: PatchIntMap a -> [a]
49+patchIntMapNewElements (PatchIntMap m) = catMaybes $ IntMap.elems m
50+
51+-- | Convert the given @'PatchIntMap' a@ into an @'IntMap' a@ with all
52+-- the inserts/updates in the given patch.
53+patchIntMapNewElementsMap :: PatchIntMap a -> IntMap a
54+patchIntMapNewElementsMap (PatchIntMap m) = IntMap.mapMaybe id m
55+
56+-- | Subset the given @'IntMap' a@ to contain only the keys that would be
57+-- deleted by the given @'PatchIntMap' a@.
58+getDeletions :: PatchIntMap v -> IntMap v' -> IntMap v'
59+getDeletions (PatchIntMap m) v = IntMap.intersection v m
src/Reflex/Patch/Map.hsnew file+55
@@ -0,0 +1,55 @@
1+{-# LANGUAGE LambdaCase #-}
2+{-# LANGUAGE TypeFamilies #-}
3+-- | 'Patch'es on 'Map' that consist only of insertions (including overwrites)
4+-- and deletions
5+module Reflex.Patch.Map where
6+
7+import Reflex.Patch.Class
8+
9+import Data.Map (Map)
10+import qualified Data.Map as Map
11+import Data.Maybe
12+import Data.Semigroup
13+
14+-- | A set of changes to a 'Map'. Any element may be inserted/updated or
15+-- deleted. Insertions are represented as values wrapped in 'Just', while
16+-- deletions are represented as 'Nothing's
17+newtype PatchMap k v = PatchMap { unPatchMap :: Map k (Maybe v) }
18+ deriving (Show, Read, Eq, Ord)
19+
20+-- | Apply the insertions or deletions to a given 'Map'.
21+instance Ord k => Patch (PatchMap k v) where
22+ type PatchTarget (PatchMap k v) = Map k v
23+ {-# INLINABLE apply #-}
24+ apply (PatchMap p) old = Just $! insertions `Map.union` (old `Map.difference` deletions) --TODO: return Nothing sometimes --Note: the strict application here is critical to ensuring that incremental merges don't hold onto all their prerequisite events forever; can we make this more robust?
25+ where insertions = Map.mapMaybeWithKey (const id) p
26+ deletions = Map.mapMaybeWithKey (const nothingToJust) p
27+ nothingToJust = \case
28+ Nothing -> Just ()
29+ Just _ -> Nothing
30+
31+-- | @a <> b@ will apply the changes of @b@ and then apply the changes of @a@.
32+-- If the same key is modified by both patches, the one on the left will take
33+-- precedence.
34+instance Ord k => Semigroup (PatchMap k v) where
35+ PatchMap a <> PatchMap b = PatchMap $ a `mappend` b --TODO: Add a semigroup instance for Map
36+ -- PatchMap is idempotent, so stimes n is id for every n
37+ stimes = stimesIdempotentMonoid
38+
39+-- | The empty 'PatchMap' contains no insertions or deletions
40+instance Ord k => Monoid (PatchMap k v) where
41+ mempty = PatchMap mempty
42+ mappend = (<>)
43+
44+-- | 'fmap'ping a 'PatchMap' will alter all of the values it will insert.
45+-- Deletions are unaffected.
46+instance Functor (PatchMap k) where
47+ fmap f = PatchMap . fmap (fmap f) . unPatchMap
48+
49+-- | Returns all the new elements that will be added to the 'Map'
50+patchMapNewElements :: PatchMap k v -> [v]
51+patchMapNewElements (PatchMap p) = catMaybes $ Map.elems p
52+
53+-- | Returns all the new elements that will be added to the 'Map'
54+patchMapNewElementsMap :: PatchMap k v -> Map k v
55+patchMapNewElementsMap (PatchMap p) = Map.mapMaybe id p
src/Reflex/Patch/MapWithMove.hsnew file+270
@@ -0,0 +1,270 @@
1+{-# LANGUAGE DeriveFoldable #-}
2+{-# LANGUAGE DeriveFunctor #-}
3+{-# LANGUAGE DeriveTraversable #-}
4+{-# LANGUAGE FlexibleContexts #-}
5+{-# LANGUAGE LambdaCase #-}
6+{-# LANGUAGE PatternGuards #-}
7+{-# LANGUAGE ScopedTypeVariables #-}
8+{-# LANGUAGE TypeFamilies #-}
9+-- | 'Patch'es on 'Map' that can insert, delete, and move values from one key to
10+-- another
11+module Reflex.Patch.MapWithMove where
12+
13+import Reflex.Patch.Class
14+
15+import Control.Arrow
16+import Control.Monad.State
17+import Data.Foldable
18+import Data.Function
19+import Data.List
20+import Data.Map (Map)
21+import qualified Data.Map as Map
22+import Data.Maybe
23+import Data.Semigroup (Semigroup (..), (<>))
24+import qualified Data.Set as Set
25+import Data.These (These(..))
26+import Data.Tuple
27+
28+-- | Patch a DMap with additions, deletions, and moves. Invariant: If key @k1@
29+-- is coming from @From_Move k2@, then key @k2@ should be going to @Just k1@,
30+-- and vice versa. There should never be any unpaired From/To keys.
31+newtype PatchMapWithMove k v = PatchMapWithMove (Map k (NodeInfo k v)) deriving (Show, Eq, Ord, Functor, Foldable, Traversable)
32+
33+-- | Holds the information about each key: where its new value should come from,
34+-- and where its old value should go to
35+data NodeInfo k v = NodeInfo
36+ { _nodeInfo_from :: !(From k v)
37+ -- ^ Where do we get the new value for this key?
38+ , _nodeInfo_to :: !(To k)
39+ -- ^ If the old value is being kept (i.e. moved rather than deleted or
40+ -- replaced), where is it going?
41+ }
42+ deriving (Show, Read, Eq, Ord, Functor, Foldable, Traversable)
43+
44+-- | Describe how a key's new value should be produced
45+data From k v
46+ = From_Insert v -- ^ Insert the given value here
47+ | From_Delete -- ^ Delete the existing value, if any, from here
48+ | From_Move !k -- ^ Move the value here from the given key
49+ deriving (Show, Read, Eq, Ord, Functor, Foldable, Traversable)
50+
51+-- | Describe where a key's old value will go. If this is 'Just', that means
52+-- the key's old value will be moved to the given other key; if it is 'Nothing',
53+-- that means it will be deleted.
54+type To = Maybe
55+
56+-- | Create a 'PatchMapWithMove', validating it
57+patchMapWithMove :: Ord k => Map k (NodeInfo k v) -> Maybe (PatchMapWithMove k v)
58+patchMapWithMove m = if valid then Just $ PatchMapWithMove m else Nothing
59+ where valid = forwardLinks == backwardLinks
60+ forwardLinks = Map.mapMaybe _nodeInfo_to m
61+ backwardLinks = Map.fromList $ catMaybes $ flip fmap (Map.toList m) $ \(to, v) ->
62+ case _nodeInfo_from v of
63+ From_Move from -> Just (from, to)
64+ _ -> Nothing
65+
66+-- | Create a 'PatchMapWithMove' that inserts everything in the given 'Map'
67+patchMapWithMoveInsertAll :: Map k v -> PatchMapWithMove k v
68+patchMapWithMoveInsertAll m = PatchMapWithMove $ flip fmap m $ \v -> NodeInfo
69+ { _nodeInfo_from = From_Insert v
70+ , _nodeInfo_to = Nothing
71+ }
72+
73+-- | Extract the internal representation of the 'PatchMapWithMove'
74+unPatchMapWithMove :: PatchMapWithMove k v -> Map k (NodeInfo k v)
75+unPatchMapWithMove (PatchMapWithMove p) = p
76+
77+-- | Make a @'PatchMapWithMove' k v@ which has the effect of inserting or updating a value @v@ to the given key @k@, like 'Map.insert'.
78+insertMapKey :: k -> v -> PatchMapWithMove k v
79+insertMapKey k v = PatchMapWithMove . Map.singleton k $ NodeInfo (From_Insert v) Nothing
80+
81+-- |Make a @'PatchMapWithMove' k v@ which has the effect of moving the value from the first key @k@ to the second key @k@, equivalent to:
82+--
83+-- @
84+-- 'Map.delete' src (maybe map ('Map.insert' dst) (Map.lookup src map))
85+-- @
86+moveMapKey :: Ord k => k -> k -> PatchMapWithMove k v
87+moveMapKey src dst
88+ | src == dst = mempty
89+ | otherwise =
90+ PatchMapWithMove $ Map.fromList
91+ [ (dst, NodeInfo (From_Move src) Nothing)
92+ , (src, NodeInfo From_Delete (Just dst))
93+ ]
94+
95+-- |Make a @'PatchMapWithMove' k v@ which has the effect of swapping two keys in the mapping, equivalent to:
96+--
97+-- @
98+-- let aMay = Map.lookup a map
99+-- bMay = Map.lookup b map
100+-- in maybe id (Map.insert a) (bMay `mplus` aMay)
101+-- . maybe id (Map.insert b) (aMay `mplus` bMay)
102+-- . Map.delete a . Map.delete b $ map
103+-- @
104+swapMapKey :: Ord k => k -> k -> PatchMapWithMove k v
105+swapMapKey src dst
106+ | src == dst = mempty
107+ | otherwise =
108+ PatchMapWithMove $ Map.fromList
109+ [ (dst, NodeInfo (From_Move src) (Just src))
110+ , (src, NodeInfo (From_Move dst) (Just dst))
111+ ]
112+
113+-- |Make a @'PatchMapWithMove' k v@ which has the effect of deleting a key in the mapping, equivalent to 'Map.delete'.
114+deleteMapKey :: k -> PatchMapWithMove k v
115+deleteMapKey k = PatchMapWithMove . Map.singleton k $ NodeInfo From_Delete Nothing
116+
117+-- | Wrap a @'Map' k (NodeInfo k v)@ representing patch changes into a @'PatchMapWithMove' k v@, without checking any invariants.
118+--
119+-- __Warning:__ when using this function, you must ensure that the invariants of 'PatchMapWithMove' are preserved; they will not be checked.
120+unsafePatchMapWithMove :: Map k (NodeInfo k v) -> PatchMapWithMove k v
121+unsafePatchMapWithMove = PatchMapWithMove
122+
123+-- | Apply the insertions, deletions, and moves to a given 'Map'
124+instance Ord k => Patch (PatchMapWithMove k v) where
125+ type PatchTarget (PatchMapWithMove k v) = Map k v
126+ apply (PatchMapWithMove p) old = Just $! insertions `Map.union` (old `Map.difference` deletions) --TODO: return Nothing sometimes --Note: the strict application here is critical to ensuring that incremental merges don't hold onto all their prerequisite events forever; can we make this more robust?
127+ where insertions = flip Map.mapMaybeWithKey p $ \_ ni -> case _nodeInfo_from ni of
128+ From_Insert v -> Just v
129+ From_Move k -> Map.lookup k old
130+ From_Delete -> Nothing
131+ deletions = flip Map.mapMaybeWithKey p $ \_ ni -> case _nodeInfo_from ni of
132+ From_Delete -> Just ()
133+ _ -> Nothing
134+
135+-- | Returns all the new elements that will be added to the 'Map'.
136+patchMapWithMoveNewElements :: PatchMapWithMove k v -> [v]
137+patchMapWithMoveNewElements = Map.elems . patchMapWithMoveNewElementsMap
138+
139+-- | Return a @'Map' k v@ with all the inserts/updates from the given @'PatchMapWithMove' k v@.
140+patchMapWithMoveNewElementsMap :: PatchMapWithMove k v -> Map k v
141+patchMapWithMoveNewElementsMap (PatchMapWithMove p) = Map.mapMaybe f p
142+ where f ni = case _nodeInfo_from ni of
143+ From_Insert v -> Just v
144+ From_Move _ -> Nothing
145+ From_Delete -> Nothing
146+
147+-- | Create a 'PatchMapWithMove' that, if applied to the given 'Map', will sort
148+-- its values using the given ordering function. The set keys of the 'Map' is
149+-- not changed.
150+patchThatSortsMapWith :: Ord k => (v -> v -> Ordering) -> Map k v -> PatchMapWithMove k v
151+patchThatSortsMapWith cmp m = PatchMapWithMove $ Map.fromList $ catMaybes $ zipWith g unsorted sorted
152+ where unsorted = Map.toList m
153+ sorted = sortBy (cmp `on` snd) unsorted
154+ f (to, _) (from, _) = if to == from then Nothing else
155+ Just (from, to)
156+ reverseMapping = Map.fromList $ catMaybes $ zipWith f unsorted sorted
157+ g (to, _) (from, _) = if to == from then Nothing else
158+ let Just movingTo = Map.lookup from reverseMapping
159+ in Just (to, NodeInfo (From_Move from) $ Just movingTo)
160+
161+-- | Create a 'PatchMapWithMove' that, if applied to the first 'Map' provided,
162+-- will produce a 'Map' with the same values as the second 'Map' but with the
163+-- values sorted with the given ordering function.
164+patchThatChangesAndSortsMapWith :: forall k v. (Ord k, Ord v) => (v -> v -> Ordering) -> Map k v -> Map k v -> PatchMapWithMove k v
165+patchThatChangesAndSortsMapWith cmp oldByIndex newByIndexUnsorted = patchThatChangesMap oldByIndex newByIndex
166+ where newList = Map.toList newByIndexUnsorted
167+ newByIndex = Map.fromList $ zip (fst <$> newList) $ sortBy cmp $ snd <$> newList
168+
169+-- | Create a 'PatchMapWithMove' that, if applied to the first 'Map' provided,
170+-- will produce the second 'Map'.
171+patchThatChangesMap :: (Ord k, Ord v) => Map k v -> Map k v -> PatchMapWithMove k v
172+patchThatChangesMap oldByIndex newByIndex = patch
173+ where oldByValue = Map.fromListWith Set.union $ swap . first Set.singleton <$> Map.toList oldByIndex
174+ (insertsAndMoves, unusedValuesByValue) = flip runState oldByValue $ do
175+ let f k v = do
176+ remainingValues <- get
177+ let putRemainingKeys remainingKeys = put $ if Set.null remainingKeys
178+ then Map.delete v remainingValues
179+ else Map.insert v remainingKeys remainingValues
180+ case Map.lookup v remainingValues of
181+ Nothing -> return $ NodeInfo (From_Insert v) $ Just undefined -- There's no existing value we can take
182+ Just fromKs ->
183+ if k `Set.member` fromKs
184+ then do
185+ putRemainingKeys $ Set.delete k fromKs
186+ return $ NodeInfo (From_Move k) $ Just undefined -- There's an existing value, and it's here, so no patch necessary
187+ else do
188+ (fromK, remainingKeys) <- return . fromJust $ Set.minView fromKs -- There's an existing value, but it's not here; move it here
189+ putRemainingKeys remainingKeys
190+ return $ NodeInfo (From_Move fromK) $ Just undefined
191+ Map.traverseWithKey f newByIndex
192+ unusedOldKeys = fold unusedValuesByValue
193+ pointlessMove k = \case
194+ From_Move k' | k == k' -> True
195+ _ -> False
196+ keyWasMoved k = if k `Map.member` oldByIndex && not (k `Set.member` unusedOldKeys)
197+ then Just undefined
198+ else Nothing
199+ patch = unsafePatchMapWithMove $ Map.filterWithKey (\k -> not . pointlessMove k . _nodeInfo_from) $ Map.mergeWithKey (\k a _ -> Just $ nodeInfoSetTo (keyWasMoved k) a) (Map.mapWithKey $ \k -> nodeInfoSetTo $ keyWasMoved k) (Map.mapWithKey $ \k _ -> NodeInfo From_Delete $ keyWasMoved k) insertsAndMoves oldByIndex
200+
201+-- | Change the 'From' value of a 'NodeInfo'
202+nodeInfoMapFrom :: (From k v -> From k v) -> NodeInfo k v -> NodeInfo k v
203+nodeInfoMapFrom f ni = ni { _nodeInfo_from = f $ _nodeInfo_from ni }
204+
205+-- | Change the 'From' value of a 'NodeInfo', using a 'Functor' (or
206+-- 'Applicative', 'Monad', etc.) action to get the new value
207+nodeInfoMapMFrom :: Functor f => (From k v -> f (From k v)) -> NodeInfo k v -> f (NodeInfo k v)
208+nodeInfoMapMFrom f ni = fmap (\result -> ni { _nodeInfo_from = result }) $ f $ _nodeInfo_from ni
209+
210+-- | Set the 'To' field of a 'NodeInfo'
211+nodeInfoSetTo :: To k -> NodeInfo k v -> NodeInfo k v
212+nodeInfoSetTo to ni = ni { _nodeInfo_to = to }
213+
214+-- |Helper data structure used for composing patches using the monoid instance.
215+data Fixup k v
216+ = Fixup_Delete
217+ | Fixup_Update (These (From k v) (To k))
218+
219+-- |Compose patches having the same effect as applying the patches in turn: @'applyAlways' (p <> q) == 'applyAlways' p . 'applyAlways' q@
220+instance Ord k => Semigroup (PatchMapWithMove k v) where
221+ PatchMapWithMove ma <> PatchMapWithMove mb = PatchMapWithMove m
222+ where
223+ connections = Map.toList $ Map.intersectionWithKey (\_ a b -> (_nodeInfo_to a, _nodeInfo_from b)) ma mb
224+ h :: (k, (Maybe k, From k v)) -> [(k, Fixup k v)]
225+ h (_, (mToAfter, editBefore)) = case (mToAfter, editBefore) of
226+ (Just toAfter, From_Move fromBefore)
227+ | fromBefore == toAfter
228+ -> [(toAfter, Fixup_Delete)]
229+ | otherwise
230+ -> [ (toAfter, Fixup_Update (This editBefore))
231+ , (fromBefore, Fixup_Update (That mToAfter))
232+ ]
233+ (Nothing, From_Move fromBefore) -> [(fromBefore, Fixup_Update (That mToAfter))] -- The item is destroyed in the second patch, so indicate that it is destroyed in the source map
234+ (Just toAfter, _) -> [(toAfter, Fixup_Update (This editBefore))]
235+ (Nothing, _) -> []
236+ mergeFixups _ Fixup_Delete Fixup_Delete = Fixup_Delete
237+ mergeFixups _ (Fixup_Update a) (Fixup_Update b)
238+ | This x <- a, That y <- b
239+ = Fixup_Update $ These x y
240+ | That y <- a, This x <- b
241+ = Fixup_Update $ These x y
242+ mergeFixups _ _ _ = error "PatchMapWithMove: incompatible fixups"
243+ fixups = Map.fromListWithKey mergeFixups $ concatMap h connections
244+ combineNodeInfos _ nia nib = NodeInfo
245+ { _nodeInfo_from = _nodeInfo_from nia
246+ , _nodeInfo_to = _nodeInfo_to nib
247+ }
248+ applyFixup _ ni = \case
249+ Fixup_Delete -> Nothing
250+ Fixup_Update u -> Just $ NodeInfo
251+ { _nodeInfo_from = fromMaybe (_nodeInfo_from ni) $ getHere u
252+ , _nodeInfo_to = fromMaybe (_nodeInfo_to ni) $ getThere u
253+ }
254+ m = Map.differenceWithKey applyFixup (Map.unionWithKey combineNodeInfos ma mb) fixups
255+ getHere :: These a b -> Maybe a
256+ getHere = \case
257+ This a -> Just a
258+ These a _ -> Just a
259+ That _ -> Nothing
260+ getThere :: These a b -> Maybe b
261+ getThere = \case
262+ This _ -> Nothing
263+ These _ b -> Just b
264+ That b -> Just b
265+
266+--TODO: Figure out how to implement this in terms of PatchDMapWithMove rather than duplicating it here
267+-- |Compose patches having the same effect as applying the patches in turn: @'applyAlways' (p <> q) == 'applyAlways' p . 'applyAlways' q@
268+instance Ord k => Monoid (PatchMapWithMove k v) where
269+ mempty = PatchMapWithMove mempty
270+ mappend = (<>)
src/Reflex/PerformEvent/Base.hs+1−3
@@ -141,7 +141,7 @@ hostPerformEventT a = do
141 case mToPerform of
141 case mToPerform of
142 Nothing -> return [result']
142 Nothing -> return [result']
143 Just toPerform -> do
143 Just toPerform -> do
144− responses <- runHostFrame $ traverseRequesterData (fmap Identity) toPerform
144+ responses <- runHostFrame $ traverseRequesterData (Identity <$>) toPerform
145 mrt <- readRef responseTrigger
145 mrt <- readRef responseTrigger
146 let followupEventTriggers = case mrt of
146 let followupEventTriggers = case mrt of
147 Just rt -> [rt :=> Identity responses]
147 Just rt -> [rt :=> Identity responses]
@@ -164,8 +164,6 @@ instance (ReflexHost t, MonadHold t m) => MonadHold t (PerformEventT t m) where
164 buildDynamic getV0 v' = PerformEventT $ lift $ buildDynamic getV0 v'
164 buildDynamic getV0 v' = PerformEventT $ lift $ buildDynamic getV0 v'
165 {-# INLINABLE headE #-}
165 {-# INLINABLE headE #-}
166 headE = PerformEventT . lift . headE
166 headE = PerformEventT . lift . headE
167− {-# INLINABLE now #-}
168− now = PerformEventT . lift $ now
169
167
170instance (MonadRef (HostFrame t), ReflexHost t) => MonadRef (PerformEventT t m) where
168instance (MonadRef (HostFrame t), ReflexHost t) => MonadRef (PerformEventT t m) where
171 type Ref (PerformEventT t m) = Ref (HostFrame t)
169 type Ref (PerformEventT t m) = Ref (HostFrame t)
src/Reflex/PerformEvent/Class.hs+1−6
@@ -8,6 +8,7 @@
8{-# LANGUAGE RankNTypes #-}
8{-# LANGUAGE RankNTypes #-}
9{-# LANGUAGE ScopedTypeVariables #-}
9{-# LANGUAGE ScopedTypeVariables #-}
10{-# LANGUAGE TypeFamilies #-}
10{-# LANGUAGE TypeFamilies #-}
11+{-# LANGUAGE TypeOperators #-}
11{-# LANGUAGE UndecidableInstances #-}
12{-# LANGUAGE UndecidableInstances #-}
12#ifdef USE_REFLEX_OPTIMIZER
13#ifdef USE_REFLEX_OPTIMIZER
13{-# OPTIONS_GHC -fplugin=Reflex.Optimizer #-}
14{-# OPTIONS_GHC -fplugin=Reflex.Optimizer #-}
@@ -21,7 +22,6 @@ import Reflex.Class
21import Reflex.TriggerEvent.Class
22import Reflex.TriggerEvent.Class
22
23
23import Control.Monad.Reader
24import Control.Monad.Reader
24−import Control.Monad.Trans.Maybe (MaybeT (..))
25
25
26-- | 'PerformEvent' represents actions that can trigger other actions based on
26-- | 'PerformEvent' represents actions that can trigger other actions based on
27-- 'Event's.
27-- 'Event's.
@@ -61,8 +61,3 @@ instance PerformEvent t m => PerformEvent t (ReaderT r m) where
61 performEvent e = do
61 performEvent e = do
62 r <- ask
62 r <- ask
63 lift $ performEvent $ flip runReaderT r <$> e
63 lift $ performEvent $ flip runReaderT r <$> e
64−
65−instance PerformEvent t m => PerformEvent t (MaybeT m) where
66− type Performable (MaybeT m) = MaybeT (Performable m)
67− performEvent_ = lift . performEvent_ . fmapCheap (void . runMaybeT)
68− performEvent = lift . fmap (fmapMaybe id) . performEvent . fmapCheap runMaybeT
src/Reflex/PostBuild/Base.hs+1−2
@@ -9,6 +9,7 @@
9{-# LANGUAGE RecursiveDo #-}
9{-# LANGUAGE RecursiveDo #-}
10{-# LANGUAGE ScopedTypeVariables #-}
10{-# LANGUAGE ScopedTypeVariables #-}
11{-# LANGUAGE TypeFamilies #-}
11{-# LANGUAGE TypeFamilies #-}
12+{-# LANGUAGE TypeOperators #-}
12{-# LANGUAGE UndecidableInstances #-}
13{-# LANGUAGE UndecidableInstances #-}
13#ifdef USE_REFLEX_OPTIMIZER
14#ifdef USE_REFLEX_OPTIMIZER
14{-# OPTIONS_GHC -fplugin=Reflex.Optimizer #-}
15{-# OPTIONS_GHC -fplugin=Reflex.Optimizer #-}
@@ -83,8 +84,6 @@ instance MonadHold t m => MonadHold t (PostBuildT t m) where
83 buildDynamic a0 = lift . buildDynamic a0
84 buildDynamic a0 = lift . buildDynamic a0
84 {-# INLINABLE headE #-}
85 {-# INLINABLE headE #-}
85 headE = lift . headE
86 headE = lift . headE
86− {-# INLINABLE now #-}
87− now = lift now
88
87
89instance PerformEvent t m => PerformEvent t (PostBuildT t m) where
88instance PerformEvent t m => PerformEvent t (PostBuildT t m) where
90 type Performable (PostBuildT t m) = Performable m
89 type Performable (PostBuildT t m) = Performable m
src/Reflex/PostBuild/Class.hs+1
@@ -6,6 +6,7 @@
6{-# LANGUAGE FunctionalDependencies #-}
6{-# LANGUAGE FunctionalDependencies #-}
7{-# LANGUAGE ScopedTypeVariables #-}
7{-# LANGUAGE ScopedTypeVariables #-}
8{-# LANGUAGE TypeFamilies #-}
8{-# LANGUAGE TypeFamilies #-}
9+{-# LANGUAGE TypeOperators #-}
9{-# LANGUAGE UndecidableInstances #-}
10{-# LANGUAGE UndecidableInstances #-}
10#ifdef USE_REFLEX_OPTIMIZER
11#ifdef USE_REFLEX_OPTIMIZER
11{-# OPTIONS_GHC -fplugin=Reflex.Optimizer #-}
12{-# OPTIONS_GHC -fplugin=Reflex.Optimizer #-}
src/Reflex/Profiled.hs+5−59
@@ -26,10 +26,8 @@ import Control.Monad.Primitive
26import Control.Monad.Reader
26import Control.Monad.Reader
27import Control.Monad.Ref
27import Control.Monad.Ref
28import Control.Monad.State.Strict (StateT, execStateT, modify)
28import Control.Monad.State.Strict (StateT, execStateT, modify)
29−import Data.Bifunctor
30import Data.Coerce
29import Data.Coerce
31−import Data.Dependent.Map (DMap)
30+import Data.Dependent.Map (DMap, GCompare)
32−import Data.GADT.Compare (GCompare)
33import Data.FastMutableIntMap
31import Data.FastMutableIntMap
34import Data.IORef
32import Data.IORef
35import Data.List
33import Data.List
@@ -44,20 +42,12 @@ import Foreign.Ptr
44import GHC.Foreign
42import GHC.Foreign
45import GHC.IO.Encoding
43import GHC.IO.Encoding
46import GHC.Stack
44import GHC.Stack
47−import Reflex.Adjustable.Class
48−import Reflex.BehaviorWriter.Class
49import Reflex.Class
45import Reflex.Class
50−import Reflex.DynamicWriter.Class
51−import Reflex.EventWriter.Class
52import Reflex.Host.Class
46import Reflex.Host.Class
53−import Reflex.NotReady.Class
54import Reflex.PerformEvent.Class
47import Reflex.PerformEvent.Class
55−import Reflex.PostBuild.Class
56−import Reflex.Query.Class
57−import Reflex.Requester.Class
58−import Reflex.TriggerEvent.Class
59
48
60import System.IO.Unsafe
49import System.IO.Unsafe
50+import Unsafe.Coerce
61
51
62data ProfiledTimeline t
52data ProfiledTimeline t
63
53
@@ -147,7 +137,7 @@ instance Reflex t => Reflex (ProfiledTimeline t) where
147 pushCheap f (Event_Profiled e) = coerce $ pushCheap (coerce f) $ profileEvent e
137 pushCheap f (Event_Profiled e) = coerce $ pushCheap (coerce f) $ profileEvent e
148 pull = Behavior_Profiled . pull . coerce
138 pull = Behavior_Profiled . pull . coerce
149 fanG (Event_Profiled e) = EventSelectorG $ coerce $ selectG (fanG $ profileEvent e)
139 fanG (Event_Profiled e) = EventSelectorG $ coerce $ selectG (fanG $ profileEvent e)
150− mergeG :: forall z (k :: z -> *) q v. GCompare k
140+ mergeG :: forall (k :: z -> *) q v. GCompare k
151 => (forall a. q a -> Event (ProfiledTimeline t) (v a))
141 => (forall a. q a -> Event (ProfiledTimeline t) (v a))
152 -> DMap k q -> Event (ProfiledTimeline t) (DMap k v)
142 -> DMap k q -> Event (ProfiledTimeline t) (DMap k v)
153 mergeG nt = Event_Profiled #. mergeG (coerce nt)
143 mergeG nt = Event_Profiled #. mergeG (coerce nt)
@@ -157,8 +147,8 @@ instance Reflex t => Reflex (ProfiledTimeline t) where
157 updated (Dynamic_Profiled d) = coerce $ profileEvent $ updated d
147 updated (Dynamic_Profiled d) = coerce $ profileEvent $ updated d
158 unsafeBuildDynamic (ProfiledM a0) (Event_Profiled a') = coerce $ unsafeBuildDynamic a0 a'
148 unsafeBuildDynamic (ProfiledM a0) (Event_Profiled a') = coerce $ unsafeBuildDynamic a0 a'
159 unsafeBuildIncremental (ProfiledM a0) (Event_Profiled a') = coerce $ unsafeBuildIncremental a0 a'
149 unsafeBuildIncremental (ProfiledM a0) (Event_Profiled a') = coerce $ unsafeBuildIncremental a0 a'
160− mergeIncrementalG nt res = Event_Profiled $ mergeIncrementalG (coerce nt) (coerce res)
150+ mergeIncrementalG nt = (Event_Profiled . coerce) #. mergeIncrementalG nt
161− mergeIncrementalWithMoveG nt res = Event_Profiled $ mergeIncrementalWithMoveG (coerce nt) (coerce res)
151+ mergeIncrementalWithMoveG nt = (Event_Profiled . coerce) #. mergeIncrementalWithMoveG nt
162 currentIncremental (Incremental_Profiled i) = coerce $ currentIncremental i
152 currentIncremental (Incremental_Profiled i) = coerce $ currentIncremental i
163 updatedIncremental (Incremental_Profiled i) = coerce $ profileEvent $ updatedIncremental i
153 updatedIncremental (Incremental_Profiled i) = coerce $ profileEvent $ updatedIncremental i
164 incrementalToDynamic (Incremental_Profiled i) = coerce $ incrementalToDynamic i
154 incrementalToDynamic (Incremental_Profiled i) = coerce $ incrementalToDynamic i
@@ -184,21 +174,10 @@ instance MonadHold t m => MonadHold (ProfiledTimeline t) (ProfiledM m) where
184 holdIncremental v0 (Event_Profiled v') = ProfiledM $ Incremental_Profiled <$> holdIncremental v0 v'
174 holdIncremental v0 (Event_Profiled v') = ProfiledM $ Incremental_Profiled <$> holdIncremental v0 v'
185 buildDynamic (ProfiledM v0) (Event_Profiled v') = ProfiledM $ Dynamic_Profiled <$> buildDynamic v0 v'
175 buildDynamic (ProfiledM v0) (Event_Profiled v') = ProfiledM $ Dynamic_Profiled <$> buildDynamic v0 v'
186 headE (Event_Profiled e) = ProfiledM $ Event_Profiled <$> headE e
176 headE (Event_Profiled e) = ProfiledM $ Event_Profiled <$> headE e
187− now = ProfiledM $ Event_Profiled <$> now
188
177
189instance MonadSample t m => MonadSample (ProfiledTimeline t) (ProfiledM m) where
178instance MonadSample t m => MonadSample (ProfiledTimeline t) (ProfiledM m) where
190 sample (Behavior_Profiled b) = ProfiledM $ sample b
179 sample (Behavior_Profiled b) = ProfiledM $ sample b
191
180
192−instance Adjustable t m => Adjustable (ProfiledTimeline t) (ProfiledM m) where
193− runWithReplace a0 a' = (fmap . fmap) coerce . lift $
194− runWithReplace (coerce a0) (coerce $ coerce <$> a')
195− traverseIntMapWithKeyWithAdjust f dm0 dm' = (fmap . fmap) coerce . lift $
196− traverseIntMapWithKeyWithAdjust (\k v -> coerce $ f k v) dm0 (coerce dm')
197− traverseDMapWithKeyWithAdjust f dm0 dm' = (fmap . fmap) coerce . lift $
198− traverseDMapWithKeyWithAdjust (\k v -> coerce $ f k v) dm0 (coerce dm')
199− traverseDMapWithKeyWithAdjustWithMove f dm0 dm' = (fmap . fmap) coerce . lift $
200− traverseDMapWithKeyWithAdjustWithMove (\k v -> coerce $ f k v) dm0 (coerce dm')
201−
202instance MonadTrans ProfiledM where
181instance MonadTrans ProfiledM where
203 lift = ProfiledM
182 lift = ProfiledM
204
183
@@ -210,39 +189,6 @@ instance PerformEvent t m => PerformEvent (ProfiledTimeline t) (ProfiledM m) whe
210 performEvent_ = lift . performEvent_ . coerce
189 performEvent_ = lift . performEvent_ . coerce
211 performEvent = lift . fmap coerce . performEvent . coerce
190 performEvent = lift . fmap coerce . performEvent . coerce
212
191
213−instance TriggerEvent t m => TriggerEvent (ProfiledTimeline t) (ProfiledM m) where
214− newTriggerEvent = first coerce <$> lift newTriggerEvent
215− newTriggerEventWithOnComplete = first coerce <$> lift newTriggerEventWithOnComplete
216− newEventWithLazyTriggerWithOnComplete f = coerce <$> lift (newEventWithLazyTriggerWithOnComplete f)
217−
218−instance PostBuild t m => PostBuild (ProfiledTimeline t) (ProfiledM m) where
219− getPostBuild = coerce <$> lift getPostBuild
220−
221−instance NotReady t m => NotReady (ProfiledTimeline t) (ProfiledM m) where
222− notReady = lift notReady
223− notReadyUntil = lift . notReadyUntil . coerce
224−
225−instance BehaviorWriter t w m => BehaviorWriter (ProfiledTimeline t) w (ProfiledM m) where
226− tellBehavior = lift . tellBehavior . coerce
227−
228−instance DynamicWriter t w m => DynamicWriter (ProfiledTimeline t) w (ProfiledM m) where
229− tellDyn = lift . tellDyn . coerce
230−
231−instance EventWriter t w m => EventWriter (ProfiledTimeline t) w (ProfiledM m) where
232− tellEvent = lift . tellEvent . coerce
233−
234−instance MonadQuery t q m => MonadQuery (ProfiledTimeline t) q (ProfiledM m) where
235− tellQueryIncremental = lift . tellQueryIncremental . coerce
236− askQueryResult = coerce <$> lift askQueryResult
237− queryIncremental = fmap coerce . lift . queryIncremental . coerce
238−
239−instance Requester t m => Requester (ProfiledTimeline t) (ProfiledM m) where
240− type Request (ProfiledM m) = Request m
241− type Response (ProfiledM m) = Response m
242−
243− requesting = fmap coerce . lift . requesting . coerce
244− requesting_ = lift . requesting_ . coerce
245−
246instance MonadRef m => MonadRef (ProfiledM m) where
192instance MonadRef m => MonadRef (ProfiledM m) where
247 type Ref (ProfiledM m) = Ref m
193 type Ref (ProfiledM m) = Ref m
248 newRef = lift . newRef
194 newRef = lift . newRef
src/Reflex/Pure.hs+1−6
@@ -32,8 +32,7 @@ module Reflex.Pure
32 ) where
32 ) where
33
33
34import Control.Monad
34import Control.Monad
35−import Data.Dependent.Map (DMap)
35+import Data.Dependent.Map (DMap, GCompare)
36−import Data.GADT.Compare (GCompare)
37import qualified Data.Dependent.Map as DMap
36import qualified Data.Dependent.Map as DMap
38import Data.IntMap (IntMap)
37import Data.IntMap (IntMap)
39import qualified Data.IntMap as IntMap
38import qualified Data.IntMap as IntMap
@@ -211,7 +210,3 @@ instance (Enum t, HasTrie t, Ord t) => MonadHold (Pure t) ((->) t) where
211 Just x -> fromMaybe lastValue $ apply x lastValue
210 Just x -> fromMaybe lastValue $ apply x lastValue
212
211
213 headE = slowHeadE
212 headE = slowHeadE
214− now t = Event $ guard . (t ==)
215−
216−
217−
src/Reflex/Query/Base.hs+4−15
@@ -16,25 +16,21 @@ module Reflex.Query.Base
16 , mapQueryResult
16 , mapQueryResult
17 , dynWithQueryT
17 , dynWithQueryT
18 , withQueryT
18 , withQueryT
19− , mapQueryT
20 ) where
19 ) where
21
20
22import Control.Applicative (liftA2)
21import Control.Applicative (liftA2)
23import Control.Monad.Exception
22import Control.Monad.Exception
24import Control.Monad.Fix
23import Control.Monad.Fix
25−import Control.Monad.Morph
26import Control.Monad.Primitive
24import Control.Monad.Primitive
27import Control.Monad.Reader
25import Control.Monad.Reader
28import Control.Monad.Ref
26import Control.Monad.Ref
29import Control.Monad.State.Strict
27import Control.Monad.State.Strict
30import Data.Align
28import Data.Align
31−import Data.Dependent.Map (DMap)
29+import Data.Dependent.Map (DMap, DSum (..))
32import qualified Data.Dependent.Map as DMap
30import qualified Data.Dependent.Map as DMap
33−import Data.Dependent.Sum (DSum(..))
34import Data.Foldable
31import Data.Foldable
35import Data.Functor.Compose
32import Data.Functor.Compose
36import Data.Functor.Misc
33import Data.Functor.Misc
37−import Data.GADT.Compare (GCompare)
38import Data.IntMap (IntMap)
34import Data.IntMap (IntMap)
39import qualified Data.IntMap as IntMap
35import qualified Data.IntMap as IntMap
40import Data.Map (Map)
36import Data.Map (Map)
@@ -50,7 +46,7 @@ import Reflex.DynamicWriter.Class
50import Reflex.EventWriter.Base
46import Reflex.EventWriter.Base
51import Reflex.EventWriter.Class
47import Reflex.EventWriter.Class
52import Reflex.Host.Class
48import Reflex.Host.Class
53−import qualified Data.Patch.MapWithMove as MapWithMove
49+import qualified Reflex.Patch.MapWithMove as MapWithMove
54import Reflex.PerformEvent.Class
50import Reflex.PerformEvent.Class
55import Reflex.PostBuild.Class
51import Reflex.PostBuild.Class
56import Reflex.Query.Class
52import Reflex.Query.Class
@@ -138,7 +134,7 @@ instance (Reflex t, MonadFix m, Group q, Additive q, Query q, Eq q, MonadHold t
138 tellQueryIncremental $ unsafeBuildIncremental (fold <$> mapM sampleBs liftedBs0) qpatch
134 tellQueryIncremental $ unsafeBuildIncremental (fold <$> mapM sampleBs liftedBs0) qpatch
139 return (liftedResult0, liftedResult')
135 return (liftedResult0, liftedResult')
140
136
141− traverseDMapWithKeyWithAdjust :: forall (k :: * -> *) v v'. (GCompare k) => (forall a. k a -> v a -> QueryT t q m (v' a)) -> DMap k v -> Event t (PatchDMap k v) -> QueryT t q m (DMap k v', Event t (PatchDMap k v'))
137+ traverseDMapWithKeyWithAdjust :: forall (k :: * -> *) v v'. (DMap.GCompare k) => (forall a. k a -> v a -> QueryT t q m (v' a)) -> DMap k v -> Event t (PatchDMap k v) -> QueryT t q m (DMap k v', Event t (PatchDMap k v'))
142 traverseDMapWithKeyWithAdjust f dm0 dm' = do
138 traverseDMapWithKeyWithAdjust f dm0 dm' = do
143 let f' :: forall a. k a -> v a -> EventWriterT t q (ReaderT (Dynamic t (QueryResult q)) m) (Compose (QueryTLoweredResult t q) v' a)
139 let f' :: forall a. k a -> v a -> EventWriterT t q (ReaderT (Dynamic t (QueryResult q)) m) (Compose (QueryTLoweredResult t q) v' a)
144 f' k v = fmap (Compose . QueryTLoweredResult) $ flip runStateT [] $ unQueryT $ f k v
140 f' k v = fmap (Compose . QueryTLoweredResult) $ flip runStateT [] $ unQueryT $ f k v
@@ -183,7 +179,7 @@ instance (Reflex t, MonadFix m, Group q, Additive q, Query q, Eq q, MonadHold t
183 tellQueryIncremental $ unsafeBuildIncremental (fold <$> mapM sampleBs liftedBs0) qpatch
179 tellQueryIncremental $ unsafeBuildIncremental (fold <$> mapM sampleBs liftedBs0) qpatch
184 return (liftedResult0, liftedResult')
180 return (liftedResult0, liftedResult')
185
181
186− traverseDMapWithKeyWithAdjustWithMove :: forall (k :: * -> *) v v'. (GCompare k) => (forall a. k a -> v a -> QueryT t q m (v' a)) -> DMap k v -> Event t (PatchDMapWithMove k v) -> QueryT t q m (DMap k v', Event t (PatchDMapWithMove k v'))
182+ traverseDMapWithKeyWithAdjustWithMove :: forall (k :: * -> *) v v'. (DMap.GCompare k) => (forall a. k a -> v a -> QueryT t q m (v' a)) -> DMap k v -> Event t (PatchDMapWithMove k v) -> QueryT t q m (DMap k v', Event t (PatchDMapWithMove k v'))
187 traverseDMapWithKeyWithAdjustWithMove f dm0 dm' = do
183 traverseDMapWithKeyWithAdjustWithMove f dm0 dm' = do
188 let f' :: forall a. k a -> v a -> EventWriterT t q (ReaderT (Dynamic t (QueryResult q)) m) (Compose (QueryTLoweredResult t q) v' a)
184 let f' :: forall a. k a -> v a -> EventWriterT t q (ReaderT (Dynamic t (QueryResult q)) m) (Compose (QueryTLoweredResult t q) v' a)
189 f' k v = fmap (Compose . QueryTLoweredResult) $ flip runStateT [] $ unQueryT $ f k v
185 f' k v = fmap (Compose . QueryTLoweredResult) $ flip runStateT [] $ unQueryT $ f k v
@@ -240,9 +236,6 @@ instance (Reflex t, MonadFix m, Group q, Additive q, Query q, Eq q, MonadHold t
240instance MonadTrans (QueryT t q) where
236instance MonadTrans (QueryT t q) where
241 lift = QueryT . lift . lift . lift
237 lift = QueryT . lift . lift . lift
242
238
243−instance MFunctor (QueryT t q) where
244− hoist = mapQueryT
245−
246instance PrimMonad m => PrimMonad (QueryT t q m) where
239instance PrimMonad m => PrimMonad (QueryT t q m) where
247 type PrimState (QueryT t q m) = PrimState m
240 type PrimState (QueryT t q m) = PrimState m
248 primitive = lift . primitive
241 primitive = lift . primitive
@@ -294,10 +287,6 @@ withQueryT f a = do
294 (fmapCheap (AdditivePatch . mapQuery f . unAdditivePatch) $ updatedIncremental q)
287 (fmapCheap (AdditivePatch . mapQuery f . unAdditivePatch) $ updatedIncremental q)
295 return result
288 return result
296
289
297−-- | Maps a function over a 'QueryT' that can change the underlying monad
298−mapQueryT :: (forall b. m b -> n b) -> QueryT t q m a -> QueryT t q n a
299−mapQueryT f (QueryT a) = QueryT $ mapStateT (mapEventWriterT (mapReaderT f)) a
300−
301-- | dynWithQueryT's (Dynamic t QueryMorphism) argument needs to be a group homomorphism at all times in order to behave correctly
290-- | dynWithQueryT's (Dynamic t QueryMorphism) argument needs to be a group homomorphism at all times in order to behave correctly
302dynWithQueryT :: (MonadFix m, PostBuild t m, Group q, Additive q, Group q', Additive q', Query q')
291dynWithQueryT :: (MonadFix m, PostBuild t m, Group q, Additive q, Group q', Additive q', Query q')
303 => Dynamic t (QueryMorphism q q')
292 => Dynamic t (QueryMorphism q q')
src/Reflex/Query/Class.hs+4−44
@@ -1,4 +1,3 @@
1−{-# LANGUAGE CPP #-}
2{-# LANGUAGE DeriveDataTypeable #-}
1{-# LANGUAGE DeriveDataTypeable #-}
3{-# LANGUAGE FlexibleContexts #-}
2{-# LANGUAGE FlexibleContexts #-}
4{-# LANGUAGE FlexibleInstances #-}
3{-# LANGUAGE FlexibleInstances #-}
@@ -22,7 +21,6 @@ module Reflex.Query.Class
22 , MonadQuery (..)
21 , MonadQuery (..)
23 , tellQueryDyn
22 , tellQueryDyn
24 , queryDyn
23 , queryDyn
25− , subQuery
26 , mapQuery
24 , mapQuery
27 , mapQueryResult
25 , mapQueryResult
28 ) where
26 ) where
@@ -37,9 +35,6 @@ import Data.Map.Monoidal (MonoidalMap)
37import qualified Data.Map.Monoidal as MonoidalMap
35import qualified Data.Map.Monoidal as MonoidalMap
38import Data.Semigroup (Semigroup(..))
36import Data.Semigroup (Semigroup(..))
39import Foreign.Storable
37import Foreign.Storable
40−import Data.Void
41−import Data.Monoid hiding ((<>))
42−import Control.Applicative
43
38
44import Reflex.Class
39import Reflex.Class
45
40
@@ -55,37 +50,6 @@ instance (Ord k, Query v) => Query (MonoidalMap k v) where
55 type QueryResult (MonoidalMap k v) = MonoidalMap k (QueryResult v)
50 type QueryResult (MonoidalMap k v) = MonoidalMap k (QueryResult v)
56 crop q r = MonoidalMap.intersectionWith (flip crop) r q
51 crop q r = MonoidalMap.intersectionWith (flip crop) r q
57
52
58−-- | the result of two queries is both results.
59−instance (Query a, Query b) => Query (a, b) where
60− type QueryResult (a, b) = (QueryResult a, QueryResult b)
61− crop (x, x') (y, y') = (crop x y, crop x' y')
62−
63−-- | Trivial queries have trivial results.
64−instance Query () where
65− type QueryResult () = ()
66− crop _ _ = ()
67−
68−-- | The result of an absurd query is trivial; If you can ask the question, the
69−-- answer cannot tell you anything you didn't already know.
70−--
71−-- 'QueryResult Void = @Void@' seems like it would also work, but that has
72−-- problems of robustness. In some applications, an unasked question can still
73−-- be answered, so it is important that the result is inhabited even when the
74−-- question isn't. Applications that wish to prevent this can mandate that the
75−-- query result be paired with the query: then the whole response will be
76−-- uninhabited as desired.
77−instance Query Void where
78− type QueryResult Void = ()
79− crop = absurd
80−
81−#if MIN_VERSION_base(4,12,0)
82−-- | We can lift queries into monoidal containers.
83−-- But beware of Applicatives whose monoid is different from (pure mempty, liftA2 mappend)
84−instance (Query q, Applicative f) => Query (Ap f q) where
85− type QueryResult (Ap f q) = Ap f (QueryResult q)
86− crop = liftA2 crop
87−#endif
88−
89-- | QueryMorphism's must be group homomorphisms when acting on the query type
53-- | QueryMorphism's must be group homomorphisms when acting on the query type
90-- and compatible with the query relationship when acting on the query result.
54-- and compatible with the query relationship when acting on the query result.
91data QueryMorphism q q' = QueryMorphism
55data QueryMorphism q q' = QueryMorphism
@@ -125,7 +89,7 @@ instance Group SelectedCount where
125
89
126instance Additive SelectedCount
90instance Additive SelectedCount
127
91
128−-- | The Semigroup\/Monoid\/Group instances for a Query containing 'SelectedCount's should use
92+-- | The Semigroup/Monoid/Group instances for a Query containing 'SelectedCount's should use
129-- this function which returns Nothing if the result is 0. This allows the pruning of leaves
93-- this function which returns Nothing if the result is 0. This allows the pruning of leaves
130-- of the 'Query' that are no longer wanted.
94-- of the 'Query' that are no longer wanted.
131combineSelectedCounts :: SelectedCount -> SelectedCount -> Maybe SelectedCount
95combineSelectedCounts :: SelectedCount -> SelectedCount -> Maybe SelectedCount
@@ -133,12 +97,12 @@ combineSelectedCounts (SelectedCount i) (SelectedCount j) = if i == negate j the
133
97
134-- | A class that allows sending of 'Query's and retrieval of 'QueryResult's. See 'queryDyn' for a commonly
98-- | A class that allows sending of 'Query's and retrieval of 'QueryResult's. See 'queryDyn' for a commonly
135-- used interface.
99-- used interface.
136−class (Group q, Additive q, Query q, Monad m) => MonadQuery t q m | m -> q t where
100+class (Group q, Additive q, Query q) => MonadQuery t q m | m -> q t where
137 tellQueryIncremental :: Incremental t (AdditivePatch q) -> m ()
101 tellQueryIncremental :: Incremental t (AdditivePatch q) -> m ()
138 askQueryResult :: m (Dynamic t (QueryResult q))
102 askQueryResult :: m (Dynamic t (QueryResult q))
139 queryIncremental :: Incremental t (AdditivePatch q) -> m (Dynamic t (QueryResult q))
103 queryIncremental :: Incremental t (AdditivePatch q) -> m (Dynamic t (QueryResult q))
140
104
141−instance MonadQuery t q m => MonadQuery t q (ReaderT r m) where
105+instance (Monad m, MonadQuery t q m) => MonadQuery t q (ReaderT r m) where
142 tellQueryIncremental = lift . tellQueryIncremental
106 tellQueryIncremental = lift . tellQueryIncremental
143 askQueryResult = lift askQueryResult
107 askQueryResult = lift askQueryResult
144 queryIncremental = lift . queryIncremental
108 queryIncremental = lift . queryIncremental
@@ -148,11 +112,7 @@ tellQueryDyn :: (Reflex t, MonadQuery t q m) => Dynamic t q -> m ()
148tellQueryDyn d = tellQueryIncremental $ unsafeBuildIncremental (sample (current d)) $ attachWith (\old new -> AdditivePatch $ new ~~ old) (current d) (updated d)
112tellQueryDyn d = tellQueryIncremental $ unsafeBuildIncremental (sample (current d)) $ attachWith (\old new -> AdditivePatch $ new ~~ old) (current d) (updated d)
149
113
150-- | Retrieve 'Dynamic'ally updating 'QueryResult's for a 'Dynamic'ally updating 'Query'.
114-- | Retrieve 'Dynamic'ally updating 'QueryResult's for a 'Dynamic'ally updating 'Query'.
151−queryDyn :: (Reflex t, MonadQuery t q m) => Dynamic t q -> m (Dynamic t (QueryResult q))
115+queryDyn :: (Reflex t, Monad m, MonadQuery t q m) => Dynamic t q -> m (Dynamic t (QueryResult q))
152queryDyn q = do
116queryDyn q = do
153 tellQueryDyn q
117 tellQueryDyn q
154 zipDynWith crop q <$> askQueryResult
118 zipDynWith crop q <$> askQueryResult
155−
156−-- | Use a query morphism to operate on a smaller version of a query.
157−subQuery :: (Reflex t, MonadQuery t q2 m) => QueryMorphism q1 q2 -> Dynamic t q1 -> m (Dynamic t (QueryResult q1))
158−subQuery (QueryMorphism f g) x = fmap g <$> queryDyn (fmap f x)
src/Reflex/Requester/Base.hs+27−97
@@ -1,7 +1,6 @@
1-- | This module provides 'RequesterT', the standard implementation of
1-- | This module provides 'RequesterT', the standard implementation of
2-- 'Requester'.
2-- 'Requester'.
3{-# LANGUAGE AllowAmbiguousTypes #-}
3{-# LANGUAGE AllowAmbiguousTypes #-}
4−{-# LANGUAGE ApplicativeDo #-}
5{-# LANGUAGE CPP #-}
4{-# LANGUAGE CPP #-}
6{-# LANGUAGE EmptyDataDecls #-}
5{-# LANGUAGE EmptyDataDecls #-}
7{-# LANGUAGE ExistentialQuantification #-}
6{-# LANGUAGE ExistentialQuantification #-}
@@ -33,7 +32,6 @@ module Reflex.Requester.Base
33 , requesterDataToList
32 , requesterDataToList
34 , singletonRequesterData
33 , singletonRequesterData
35 , matchResponsesWithRequests
34 , matchResponsesWithRequests
36− , matchResponseMapWithRequests
37 , multiEntry
35 , multiEntry
38 , unMultiEntry
36 , unMultiEntry
39 , requesting'
37 , requesting'
@@ -51,17 +49,14 @@ import Reflex.TriggerEvent.Class
51import Control.Applicative (liftA2)
49import Control.Applicative (liftA2)
52import Control.Monad.Exception
50import Control.Monad.Exception
53import Control.Monad.Identity
51import Control.Monad.Identity
54−import Control.Monad.Morph
55import Control.Monad.Primitive
52import Control.Monad.Primitive
56import Control.Monad.Reader
53import Control.Monad.Reader
57import Control.Monad.Ref
54import Control.Monad.Ref
58import Control.Monad.State.Strict
55import Control.Monad.State.Strict
59import Data.Bits
56import Data.Bits
60import Data.Coerce
57import Data.Coerce
61−import Data.Constraint
62−import Data.Dependent.Map (DMap)
58+import Data.Dependent.Map (DMap, DSum (..))
63import qualified Data.Dependent.Map as DMap
59import qualified Data.Dependent.Map as DMap
64−import Data.Dependent.Sum (DSum (..))
65import Data.Functor.Compose
60import Data.Functor.Compose
66import Data.Functor.Misc
61import Data.Functor.Misc
67import Data.IntMap.Strict (IntMap)
62import Data.IntMap.Strict (IntMap)
@@ -84,51 +79,19 @@ newtype TagMap (f :: * -> *) = TagMap (IntMap Any)
84
79
85newtype RequesterData f = RequesterData (TagMap (Entry f))
80newtype RequesterData f = RequesterData (TagMap (Entry f))
86
81
87−emptyRequesterData :: RequesterData f
88−emptyRequesterData = RequesterData $ TagMap IntMap.empty
89−
90data RequesterDataKey a where
82data RequesterDataKey a where
91 RequesterDataKey_Single :: {-# UNPACK #-} !(MyTag (Single a)) -> RequesterDataKey a
83 RequesterDataKey_Single :: {-# UNPACK #-} !(MyTag (Single a)) -> RequesterDataKey a
92 RequesterDataKey_Multi :: {-# UNPACK #-} !(MyTag Multi) -> {-# UNPACK #-} !Int -> !(RequesterDataKey a) -> RequesterDataKey a --TODO: Don't put a second Int here (or in the other Multis); use a single Int instead
84 RequesterDataKey_Multi :: {-# UNPACK #-} !(MyTag Multi) -> {-# UNPACK #-} !Int -> !(RequesterDataKey a) -> RequesterDataKey a --TODO: Don't put a second Int here (or in the other Multis); use a single Int instead
93− RequesterDataKey_Multi2 :: GCompare k => {-# UNPACK #-} !(MyTag (Multi2 k)) -> !(Some k) -> {-# UNPACK #-} !Int -> !(RequesterDataKey a) -> RequesterDataKey a
85+ RequesterDataKey_Multi2 :: {-# UNPACK #-} !(MyTag (Multi2 k)) -> !(Some k) -> {-# UNPACK #-} !Int -> !(RequesterDataKey a) -> RequesterDataKey a
94 RequesterDataKey_Multi3 :: {-# UNPACK #-} !(MyTag Multi3) -> {-# UNPACK #-} !Int -> {-# UNPACK #-} !Int -> !(RequesterDataKey a) -> RequesterDataKey a
86 RequesterDataKey_Multi3 :: {-# UNPACK #-} !(MyTag Multi3) -> {-# UNPACK #-} !Int -> {-# UNPACK #-} !Int -> !(RequesterDataKey a) -> RequesterDataKey a
95
87
96singletonRequesterData :: RequesterDataKey a -> f a -> RequesterData f
88singletonRequesterData :: RequesterDataKey a -> f a -> RequesterData f
97singletonRequesterData rdk v = case rdk of
89singletonRequesterData rdk v = case rdk of
98 RequesterDataKey_Single k -> RequesterData $ singletonTagMap k $ Entry v
90 RequesterDataKey_Single k -> RequesterData $ singletonTagMap k $ Entry v
99 RequesterDataKey_Multi k k' k'' -> RequesterData $ singletonTagMap k $ Entry $ IntMap.singleton k' $ singletonRequesterData k'' v
91 RequesterDataKey_Multi k k' k'' -> RequesterData $ singletonTagMap k $ Entry $ IntMap.singleton k' $ singletonRequesterData k'' v
100− RequesterDataKey_Multi2 k k' k'' k''' -> RequesterData $ singletonTagMap k $ Entry $ Multi2Contents
92+ RequesterDataKey_Multi2 k k' k'' k''' -> RequesterData $ singletonTagMap k $ Entry $ Map.singleton k' $ IntMap.singleton k'' $ singletonRequesterData k''' v
101− { _multi2Contents_values = Map.singleton k' $ IntMap.singleton k'' $ singletonRequesterData k''' v
102− , _multi2Contents_dict = Dict
103− }
104 RequesterDataKey_Multi3 k k' k'' k''' -> RequesterData $ singletonTagMap k $ Entry $ IntMap.singleton k' $ IntMap.singleton k'' $ singletonRequesterData k''' v
93 RequesterDataKey_Multi3 k k' k'' k''' -> RequesterData $ singletonTagMap k $ Entry $ IntMap.singleton k' $ IntMap.singleton k'' $ singletonRequesterData k''' v
105
94
106−mergeRequesterData :: RequesterData f -> RequesterData f -> RequesterData f
107−mergeRequesterData (RequesterData a) (RequesterData b) = RequesterData $ mergeTagMap a b
108−
109−mergeTagMap :: forall f. TagMap (Entry f) -> TagMap (Entry f) -> TagMap (Entry f)
110−mergeTagMap (TagMap m) (TagMap n) =
111− TagMap $ IntMap.unionWithKey (g' combiner) m n
112− where
113− combiner :: forall a. MyTag a -> Entry f a -> Entry f a -> Entry f a
114− combiner k (Entry a) (Entry b) = Entry $ case myKeyType k of
115− MyTagType_Single -> a
116− MyTagType_Multi -> IntMap.unionWith mergeRequesterData a b
117− MyTagType_Multi2 -> case _multi2Contents_dict a of
118− Dict -> Multi2Contents
119− { _multi2Contents_values = Map.unionWith (IntMap.unionWith mergeRequesterData) (_multi2Contents_values a) (_multi2Contents_values b)
120− , _multi2Contents_dict = Dict
121− }
122− MyTagType_Multi3 -> IntMap.unionWith (IntMap.unionWith mergeRequesterData) a b
123− g' :: (forall a. MyTag a -> Entry f a -> Entry f a -> Entry f a) -> Int -> Any -> Any -> Any
124− g' f rawKey a b =
125− let k = MyTag rawKey :: MyTag a
126− fromAny :: Any -> Entry f a
127− fromAny = unsafeCoerce
128− toAny :: Entry f a -> Any
129− toAny = unsafeCoerce
130− in toAny $ f k (fromAny a) (fromAny b)
131−
132requesterDataToList :: RequesterData f -> [DSum RequesterDataKey f]
95requesterDataToList :: RequesterData f -> [DSum RequesterDataKey f]
133requesterDataToList (RequesterData m) = do
96requesterDataToList (RequesterData m) = do
134 k :=> Entry e <- tagMapToList m
97 k :=> Entry e <- tagMapToList m
@@ -138,12 +101,11 @@ requesterDataToList (RequesterData m) = do
138 (k', e') <- IntMap.toList e
101 (k', e') <- IntMap.toList e
139 k'' :=> e'' <- requesterDataToList e'
102 k'' :=> e'' <- requesterDataToList e'
140 return $ RequesterDataKey_Multi k k' k'' :=> e''
103 return $ RequesterDataKey_Multi k k' k'' :=> e''
141− MyTagType_Multi2 -> case _multi2Contents_dict e of
104+ MyTagType_Multi2 -> do
142− Dict -> do
143− (k', e') <- Map.toList $ _multi2Contents_values e
105+ (k', e') <- Map.toList e
144− (k'', e'') <- IntMap.toList e'
106+ (k'', e'') <- IntMap.toList e'
145− k''' :=> e''' <- requesterDataToList e''
107+ k''' :=> e''' <- requesterDataToList e''
146− return $ RequesterDataKey_Multi2 k k' k'' k''' :=> e'''
108+ return $ RequesterDataKey_Multi2 k k' k'' k''' :=> e'''
147 MyTagType_Multi3 -> do
109 MyTagType_Multi3 -> do
148 (k', e') <- IntMap.toList e
110 (k', e') <- IntMap.toList e
149 (k'', e'') <- IntMap.toList e'
111 (k'', e'') <- IntMap.toList e'
@@ -171,13 +133,7 @@ traverseRequesterData f (RequesterData m) = RequesterData <$> traverseTagMapWith
171 go k (Entry request) = Entry <$> case myKeyType k of
133 go k (Entry request) = Entry <$> case myKeyType k of
172 MyTagType_Single -> f request
134 MyTagType_Single -> f request
173 MyTagType_Multi -> traverse (traverseRequesterData f) request
135 MyTagType_Multi -> traverse (traverseRequesterData f) request
174− MyTagType_Multi2 -> case request of
175− Multi2Contents { _multi2Contents_values = request', _multi2Contents_dict = Dict } -> do
176− v <- traverse (traverse (traverseRequesterData f)) request'
136+ MyTagType_Multi2 -> traverse (traverse (traverseRequesterData f)) request
177− pure $ Multi2Contents
178− { _multi2Contents_values = v
179− , _multi2Contents_dict = Dict
180− }
181 MyTagType_Multi3 -> traverse (traverse (traverseRequesterData f)) request
137 MyTagType_Multi3 -> traverse (traverse (traverseRequesterData f)) request
182
138
183-- | 'traverseRequesterData' with its arguments flipped
139-- | 'traverseRequesterData' with its arguments flipped
@@ -221,14 +177,9 @@ instance MyTagTypeOffset Multi3 where
221type family EntryContents request a where
177type family EntryContents request a where
222 EntryContents request (Single a) = request a
178 EntryContents request (Single a) = request a
223 EntryContents request Multi = IntMap (RequesterData request)
179 EntryContents request Multi = IntMap (RequesterData request)
224− EntryContents request (Multi2 k) = Multi2Contents k request
180+ EntryContents request (Multi2 k) = Map (Some k) (IntMap (RequesterData request))
225 EntryContents request Multi3 = IntMap (IntMap (RequesterData request))
181 EntryContents request Multi3 = IntMap (IntMap (RequesterData request))
226
182
227−data Multi2Contents k request = Multi2Contents
228− { _multi2Contents_dict :: {-# UNPACK #-} !(Dict (GCompare k)) -- This is a Dict instead of an existential context because we only want to use it in certain circumstances
229− , _multi2Contents_values :: {-# UNPACK #-} !(Map (Some k) (IntMap (RequesterData request)))
230− }
231−
232newtype Entry request x = Entry { unEntry :: EntryContents request x }
183newtype Entry request x = Entry { unEntry :: EntryContents request x }
233
184
234{-# INLINE singleEntry #-}
185{-# INLINE singleEntry #-}
@@ -357,7 +308,7 @@ tagRequest req = do
357 return t
308 return t
358
309
359{-# INLINE responseFromTag #-}
310{-# INLINE responseFromTag #-}
360−responseFromTag :: forall m t request response x. Monad m => MyTagWrap response (Entry response x) -> RequesterT t request response m (Event t (Entry response x))
311+responseFromTag :: Monad m => MyTagWrap response (Entry response x) -> RequesterT t request response m (Event t (Entry response x))
361responseFromTag (MyTagWrap t) = do
312responseFromTag (MyTagWrap t) = do
362 responses :: EventSelectorInt t Any <- RequesterT ask
313 responses :: EventSelectorInt t Any <- RequesterT ask
363 return $ (unsafeCoerce :: Event t Any -> Event t (Entry response x)) $ selectInt responses t
314 return $ (unsafeCoerce :: Event t Any -> Event t (Entry response x)) $ selectInt responses t
@@ -365,9 +316,6 @@ responseFromTag (MyTagWrap t) = do
365instance MonadTrans (RequesterT t request response) where
316instance MonadTrans (RequesterT t request response) where
366 lift = RequesterT . lift . lift
317 lift = RequesterT . lift . lift
367
318
368−instance MFunctor (RequesterT t request response) where
369− hoist f = RequesterT . hoist (hoist f) . unRequesterT
370−
371instance PerformEvent t m => PerformEvent t (RequesterT t request response m) where
319instance PerformEvent t m => PerformEvent t (RequesterT t request response m) where
372 type Performable (RequesterT t request response m) = Performable m
320 type Performable (RequesterT t request response m) = Performable m
373 performEvent_ = lift . performEvent_
321 performEvent_ = lift . performEvent_
@@ -487,9 +435,9 @@ traverseDMapWithKeyWithAdjustRequesterTWith base mapPatch weakenPatchWith patchN
487 let responses :: EventSelector t (Const2 (Some k) (IntMap (RequesterData response)))
435 let responses :: EventSelector t (Const2 (Some k) (IntMap (RequesterData response)))
488 responses = fanMap $ fmapCheap unpack response
436 responses = fanMap $ fmapCheap unpack response
489 unpack :: Entry response (Multi2 k) -> Map (Some k) (IntMap (RequesterData response))
437 unpack :: Entry response (Multi2 k) -> Map (Some k) (IntMap (RequesterData response))
490− unpack = _multi2Contents_values . unEntry
438+ unpack = unEntry
491 pack :: Map (Some k) (IntMap (RequesterData request)) -> Entry request (Multi2 k)
439 pack :: Map (Some k) (IntMap (RequesterData request)) -> Entry request (Multi2 k)
492− pack m = Entry $ Multi2Contents { _multi2Contents_values = m, _multi2Contents_dict = Dict }
440+ pack = Entry
493 f' :: forall a. k a -> Compose ((,) Int) v a -> m (Compose ((,) (Event t (IntMap (RequesterData request)))) v' a)
441 f' :: forall a. k a -> Compose ((,) Int) v a -> m (Compose ((,) (Event t (IntMap (RequesterData request)))) v' a)
494 f' k (Compose (n, v)) = do
442 f' k (Compose (n, v)) = do
495 (result, myRequests) <- runRequesterT (f k v) $ mapMaybeCheap (IntMap.lookup n) $ select responses (Const2 (Some k))
443 (result, myRequests) <- runRequesterT (f k v) $ mapMaybeCheap (IntMap.lookup n) $ select responses (Const2 (Some k))
@@ -510,30 +458,10 @@ traverseDMapWithKeyWithAdjustRequesterTWith base mapPatch weakenPatchWith patchN
510data Decoder rawResponse response =
458data Decoder rawResponse response =
511 forall a. Decoder (RequesterDataKey a) (rawResponse -> response a)
459 forall a. Decoder (RequesterDataKey a) (rawResponse -> response a)
512
460
513−matchResponsesWithRequests
514− :: forall t rawRequest rawResponse request response m.
515− ( MonadFix m
516− , MonadHold t m
517− , Reflex t
518− )
519− => (forall a. request a -> (rawRequest, rawResponse -> response a))
520− -- ^ Given a request (from 'Requester'), produces the wire format of the
521− -- request and a function used to process the associated response
522− -> Event t (RequesterData request)
523− -- ^ The outgoing requests
524− -> Event t (Int, rawResponse)
525− -- ^ The incoming responses, tagged by an identifying key
526− -> m ( Event t (Map Int rawRequest)
527− , Event t (RequesterData response)
528− )
529− -- ^ A map of outgoing wire-format requests and an event of responses keyed
530− -- by the 'RequesterData' key of the associated outgoing request
531−matchResponsesWithRequests f send recv = matchResponseMapWithRequests f send $ uncurry Map.singleton <$> recv
532−
533-- | Matches incoming responses with previously-sent requests
461-- | Matches incoming responses with previously-sent requests
534-- and uses the provided request "decoder" function to process
462-- and uses the provided request "decoder" function to process
535-- incoming responses.
463-- incoming responses.
536−matchResponseMapWithRequests
464+matchResponsesWithRequests
537 :: forall t rawRequest rawResponse request response m.
465 :: forall t rawRequest rawResponse request response m.
538 ( MonadFix m
466 ( MonadFix m
539 , MonadHold t m
467 , MonadHold t m
@@ -544,14 +472,14 @@ matchResponseMapWithRequests
544 -- request and a function used to process the associated response
472 -- request and a function used to process the associated response
545 -> Event t (RequesterData request)
473 -> Event t (RequesterData request)
546 -- ^ The outgoing requests
474 -- ^ The outgoing requests
547− -> Event t (Map Int rawResponse)
475+ -> Event t (Int, rawResponse)
548− -- ^ A map of incoming responses, tagged by an identifying key
476+ -- ^ The incoming responses, tagged by an identifying key
549 -> m ( Event t (Map Int rawRequest)
477 -> m ( Event t (Map Int rawRequest)
550 , Event t (RequesterData response)
478 , Event t (RequesterData response)
551 )
479 )
552 -- ^ A map of outgoing wire-format requests and an event of responses keyed
480 -- ^ A map of outgoing wire-format requests and an event of responses keyed
553 -- by the 'RequesterData' key of the associated outgoing request
481 -- by the 'RequesterData' key of the associated outgoing request
554−matchResponseMapWithRequests f send recv = do
482+matchResponsesWithRequests f send recv = do
555 rec nextId <- hold 1 $ fmap (\(next, _, _) -> next) outgoing
483 rec nextId <- hold 1 $ fmap (\(next, _, _) -> next) outgoing
556 waitingFor :: Incremental t (PatchMap Int (Decoder rawResponse response)) <-
484 waitingFor :: Incremental t (PatchMap Int (Decoder rawResponse response)) <-
557 holdIncremental mempty $ leftmost
485 holdIncremental mempty $ leftmost
@@ -593,15 +521,17 @@ matchResponseMapWithRequests f send recv = do
593 processIncoming
521 processIncoming
594 :: Incremental t (PatchMap Int (Decoder rawResponse response))
522 :: Incremental t (PatchMap Int (Decoder rawResponse response))
595 -- A map of outstanding expected responses
523 -- A map of outstanding expected responses
596− -> Event t (Map Int rawResponse)
524+ -> Event t (Int, rawResponse)
597 -- A incoming response paired with its identifying key
525 -- A incoming response paired with its identifying key
598 -> Event t (RequesterData response, PatchMap Int v)
526 -> Event t (RequesterData response, PatchMap Int v)
599 -- The decoded response and a patch that clears the outstanding responses queue
527 -- The decoded response and a patch that clears the outstanding responses queue
600− processIncoming waitingFor inc = flip push inc $ \rspMap -> do
528+ processIncoming waitingFor inc = flip push inc $ \(n, rawRsp) -> do
601 wf <- sample $ currentIncremental waitingFor
529 wf <- sample $ currentIncremental waitingFor
602− let match rawRsp (Decoder k rspF) =
530+ case Map.lookup n wf of
603− let rsp = rspF rawRsp
531+ Nothing -> return Nothing -- TODO How should lookup failures be handled here? They shouldn't ever happen..
604− in singletonRequesterData k rsp
532+ Just (Decoder k rspF) -> do
605− matches = Map.intersectionWith match rspMap wf
533+ let rsp = rspF rawRsp
606− pure $ if Map.null matches then Nothing else Just
534+ return $ Just
607− (Map.foldl' mergeRequesterData emptyRequesterData matches, PatchMap $ Nothing <$ matches)
535+ ( singletonRequesterData k rsp
536+ , PatchMap $ Map.singleton n Nothing
537+ )
src/Reflex/Spider/Internal.hs+272−501
@@ -9,6 +9,7 @@
9{-# LANGUAGE GADTs #-}
9{-# LANGUAGE GADTs #-}
10{-# LANGUAGE GeneralizedNewtypeDeriving #-}
10{-# LANGUAGE GeneralizedNewtypeDeriving #-}
11{-# LANGUAGE LambdaCase #-}
11{-# LANGUAGE LambdaCase #-}
12+{-# LANGUAGE MultiWayIf #-}
12{-# LANGUAGE RankNTypes #-}
13{-# LANGUAGE RankNTypes #-}
13{-# LANGUAGE RoleAnnotations #-}
14{-# LANGUAGE RoleAnnotations #-}
14{-# LANGUAGE ScopedTypeVariables #-}
15{-# LANGUAGE ScopedTypeVariables #-}
@@ -19,7 +20,6 @@
19{-# LANGUAGE DeriveFunctor #-}
20{-# LANGUAGE DeriveFunctor #-}
20{-# LANGUAGE StandaloneDeriving #-}
21{-# LANGUAGE StandaloneDeriving #-}
21{-# LANGUAGE InstanceSigs #-}
22{-# LANGUAGE InstanceSigs #-}
22−{-# LANGUAGE MultiWayIf #-}
23
23
24#ifdef USE_REFLEX_OPTIMIZER
24#ifdef USE_REFLEX_OPTIMIZER
25{-# OPTIONS_GHC -fplugin=Reflex.Optimizer #-}
25{-# OPTIONS_GHC -fplugin=Reflex.Optimizer #-}
@@ -38,17 +38,15 @@ import Control.Monad hiding (forM, forM_, mapM, mapM_)
38import Control.Monad.Exception
38import Control.Monad.Exception
39import Control.Monad.Identity hiding (forM, forM_, mapM, mapM_)
39import Control.Monad.Identity hiding (forM, forM_, mapM, mapM_)
40import Control.Monad.Primitive
40import Control.Monad.Primitive
41+--import Control.Monad.Reader hiding (forM, forM_, mapM, mapM_)
41import Control.Monad.Reader.Class
42import Control.Monad.Reader.Class
42import Control.Monad.IO.Class
43import Control.Monad.IO.Class
43import Control.Monad.ReaderIO
44import Control.Monad.ReaderIO
44import Control.Monad.Ref
45import Control.Monad.Ref
45−import Control.Monad.Fail (MonadFail)
46−import qualified Control.Monad.Fail as MonadFail
47import Data.Align
46import Data.Align
48import Data.Coerce
47import Data.Coerce
49−import Data.Dependent.Map (DMap)
48+import Data.Dependent.Map (DMap, DSum (..))
50import qualified Data.Dependent.Map as DMap
49import qualified Data.Dependent.Map as DMap
51−import Data.Dependent.Sum (DSum (..))
52import Data.FastMutableIntMap (FastMutableIntMap, PatchIntMap (..))
50import Data.FastMutableIntMap (FastMutableIntMap, PatchIntMap (..))
53import qualified Data.FastMutableIntMap as FastMutableIntMap
51import qualified Data.FastMutableIntMap as FastMutableIntMap
54import Data.Foldable hiding (concat, elem, sequence_)
52import Data.Foldable hiding (concat, elem, sequence_)
@@ -61,13 +59,12 @@ import qualified Data.IntMap.Strict as IntMap
61import Data.IORef
59import Data.IORef
62import Data.Kind (Type)
60import Data.Kind (Type)
63import Data.Maybe hiding (mapMaybe)
61import Data.Maybe hiding (mapMaybe)
64−import Data.Monoid (mempty, (<>))
62+import Data.Monoid ((<>))
65import Data.Proxy
63import Data.Proxy
66import Data.These
64import Data.These
67import Data.Traversable
65import Data.Traversable
68−import Data.Type.Equality ((:~:)(Refl))
69import Data.Witherable (Filterable, mapMaybe)
66import Data.Witherable (Filterable, mapMaybe)
70−import GHC.Exts hiding (toList)
67+import GHC.Exts
71import GHC.IORef (IORef (..))
68import GHC.IORef (IORef (..))
72import GHC.Stack
69import GHC.Stack
73import Reflex.FastWeak
70import Reflex.FastWeak
@@ -75,27 +72,22 @@ import System.IO.Unsafe
75import System.Mem.Weak
72import System.Mem.Weak
76import Unsafe.Coerce
73import Unsafe.Coerce
77
74
78−#ifdef MIN_VERSION_semialign
75+#if defined(MIN_VERSION_semialign)
79#if MIN_VERSION_these(0,8,0)
76#if MIN_VERSION_these(0,8,0)
80import Data.These.Combinators (justThese)
77import Data.These.Combinators (justThese)
81#endif
78#endif
82−#if MIN_VERSION_semialign(1,1,0)
83−import Data.Zip (Zip (..))
84−#endif
85#endif
79#endif
86
80
87#ifdef DEBUG_CYCLES
81#ifdef DEBUG_CYCLES
88import Control.Monad.State hiding (forM, forM_, mapM, mapM_, sequence)
82import Control.Monad.State hiding (forM, forM_, mapM, mapM_, sequence)
89−#endif
90−
91import Data.List.NonEmpty (NonEmpty (..), nonEmpty)
83import Data.List.NonEmpty (NonEmpty (..), nonEmpty)
92import qualified Data.List.NonEmpty as NonEmpty
84import qualified Data.List.NonEmpty as NonEmpty
85+import Data.Monoid (mempty)
93import Data.Tree (Forest, Tree (..), drawForest)
86import Data.Tree (Forest, Tree (..), drawForest)
94−import Data.List (isPrefixOf)
87+#endif
95
88
96−import Data.FastWeakBag (FastWeakBag, FastWeakBagTicket)
89+import Data.FastWeakBag (FastWeakBag)
97import qualified Data.FastWeakBag as FastWeakBag
90import qualified Data.FastWeakBag as FastWeakBag
98−
99import Data.Reflection
91import Data.Reflection
100import Data.Some (Some(Some))
92import Data.Some (Some(Some))
101import Data.Type.Coercion
93import Data.Type.Coercion
@@ -106,26 +98,20 @@ import qualified Reflex.Class
106import qualified Reflex.Class as R
98import qualified Reflex.Class as R
107import qualified Reflex.Host.Class
99import qualified Reflex.Host.Class
108import Reflex.NotReady.Class
100import Reflex.NotReady.Class
109−import Data.Patch
101+import Reflex.Patch
110−import qualified Data.Patch.DMapWithMove as PatchDMapWithMove
102+import qualified Reflex.Patch.DMapWithMove as PatchDMapWithMove
111−import Reflex.PerformEvent.Base (PerformEventT)
112
103
113#ifdef DEBUG_TRACE_EVENTS
104#ifdef DEBUG_TRACE_EVENTS
114import qualified Data.ByteString.Char8 as BS8
105import qualified Data.ByteString.Char8 as BS8
115import System.IO (stderr)
106import System.IO (stderr)
116−import Data.List (isPrefixOf)
117#endif
107#endif
118
108
119−-- TODO stdout might not be the best channel for debug output
120−debugStrLn :: String -> IO ()
121−debugStrLn = putStrLn
122−
123#ifdef DEBUG_TRACE_EVENTS
109#ifdef DEBUG_TRACE_EVENTS
110+
124withStackOneLine :: (BS8.ByteString -> a) -> a
111withStackOneLine :: (BS8.ByteString -> a) -> a
125withStackOneLine expr = unsafePerformIO $ do
112withStackOneLine expr = unsafePerformIO $ do
126 stack <- currentCallStack
113 stack <- currentCallStack
127− return (expr . BS8.pack . unwords . dropInternal . reverse $ stack)
114+ return (expr (BS8.pack (unwords (reverse stack))))
128− where dropInternal = filterStack "Reflex.Spider.Internal"
129
115
130#endif
116#endif
131
117
@@ -136,42 +122,28 @@ debugInvalidateHeight :: Bool
136debugInvalidate :: Bool
122debugInvalidate :: Bool
137
123
138#ifdef DEBUG
124#ifdef DEBUG
125+
139#define DEBUG_NODEIDS
126#define DEBUG_NODEIDS
140
127
141−#ifdef DEBUG_TRACE_PROPAGATION
142debugPropagate = True
128debugPropagate = True
143−#else
144−debugPropagate = False
145−#endif
146
129
147−#ifdef DEBUG_TRACE_HEIGHT
148−debugInvalidateHeight = True
149−#else
150debugInvalidateHeight = False
130debugInvalidateHeight = False
151−#endif
152
131
153−#ifdef DEBUG_TRACE_INVALIDATION
154debugInvalidate = True
132debugInvalidate = True
155−#else
156−debugInvalidate = False
157−#endif
158
133
159class HasNodeId a where
134class HasNodeId a where
160 getNodeId :: a -> Int
135 getNodeId :: a -> Int
161
136
162−instance HasNodeId (CacheSubscribed x a) where
137+instance HasNodeId (Hold x p a) where
163− getNodeId = _cacheSubscribed_nodeId
164−
165−instance HasNodeId (FanInt x a) where
166− getNodeId = _fanInt_nodeId
167−
168−instance HasNodeId (Hold x p) where
169 getNodeId = holdNodeId
138 getNodeId = holdNodeId
170
139
140+instance HasNodeId (PushSubscribed x a b) where
141+ getNodeId = pushSubscribedNodeId
142+
171instance HasNodeId (SwitchSubscribed x a) where
143instance HasNodeId (SwitchSubscribed x a) where
172 getNodeId = switchSubscribedNodeId
144 getNodeId = switchSubscribedNodeId
173
145
174−instance HasNodeId (FanSubscribed x v a) where
146+instance HasNodeId (FanSubscribed x a) where
175 getNodeId = fanSubscribedNodeId
147 getNodeId = fanSubscribedNodeId
176
148
177instance HasNodeId (CoincidenceSubscribed x a) where
149instance HasNodeId (CoincidenceSubscribed x a) where
@@ -185,16 +157,41 @@ instance HasNodeId (Pull x a) where
185
157
186{-# INLINE showNodeId #-}
158{-# INLINE showNodeId #-}
187showNodeId :: HasNodeId a => a -> String
159showNodeId :: HasNodeId a => a -> String
188−showNodeId = showNodeId' . getNodeId
160+showNodeId = ("#"<>) . show . getNodeId
189−
161+
190−showNodeId' :: Int -> String
162+showSubscriberType :: Subscriber x a -> String
191−showNodeId' = ("#"<>) . show
163+showSubscriberType = \case
192−
164+ SubscriberPush _ _ -> "SubscriberPush"
165+ SubscriberMerge _ _ -> "SubscriberMerge"
166+ SubscriberFan _ -> "SubscriberFan"
167+ SubscriberMergeChange _ -> "SubscriberMergeChange"
168+ SubscriberHold _ -> "SubscriberHold"
169+ SubscriberHoldIdentity _ -> "SubscriberHoldIdentity"
170+ SubscriberSwitch _ -> "SubscriberSwitch"
171+ SubscriberCoincidenceOuter _ -> "SubscriberCoincidenceOuter"
172+ SubscriberCoincidenceInner _ -> "SubscriberCoincidenceInner"
173+ SubscriberHandle -> "SubscriberHandle"
174+
175+showEventType :: Event x a -> String
176+showEventType = \case
177+ EventRoot _ _ -> "EventRoot"
178+ EventNever -> "EventNever"
179+ EventPush _ -> "EventPush"
180+ EventMerge _ -> "EventMerge"
181+ EventFan _ _ -> "EventFan"
182+ EventSwitch _ -> "EventSwitch"
183+ EventCoincidence _ -> "EventCoincidence"
184+ EventHold _ -> "EventHold"
185+ EventDyn _ -> "EventDyn"
186+ EventHoldIdentity _ -> "EventHoldIdentity"
187+ EventDynIdentity _ -> "EventDynIdentity"
193
188
194#else
189#else
195
190
196debugPropagate = False
191debugPropagate = False
192+
197debugInvalidateHeight = False
193debugInvalidateHeight = False
194+
198debugInvalidate = False
195debugInvalidate = False
199
196
200-- This must be inline, or error messages will cause memory leaks due to retaining the node in question
197-- This must be inline, or error messages will cause memory leaks due to retaining the node in question
@@ -202,10 +199,6 @@ debugInvalidate = False
202showNodeId :: a -> String
199showNodeId :: a -> String
203showNodeId _ = ""
200showNodeId _ = ""
204
201
205−{-# INLINE showNodeId' #-}
206−showNodeId' :: Int -> String
207−showNodeId' _ = ""
208−
209#endif
202#endif
210
203
211#ifdef DEBUG_NODEIDS
204#ifdef DEBUG_NODEIDS
@@ -251,9 +244,9 @@ subscribeAndRead = unEvent
251-- caching; if the computation function is very cheap, this is (much) more
244-- caching; if the computation function is very cheap, this is (much) more
252-- efficient than 'push'
245-- efficient than 'push'
253{-# INLINE [1] pushCheap #-}
246{-# INLINE [1] pushCheap #-}
254−pushCheap :: HasSpiderTimeline x => (a -> ComputeM x (Maybe b)) -> Event x a -> Event x b
247+pushCheap :: (a -> ComputeM x (Maybe b)) -> Event x a -> Event x b
255pushCheap !f e = Event $ \sub -> do
248pushCheap !f e = Event $ \sub -> do
256− (subscription, occ) <- subscribeAndRead e $ debugSubscriber' "push" $ sub
249+ (subscription, occ) <- subscribeAndRead e $ sub
257 { subscriberPropagate = \a -> do
250 { subscriberPropagate = \a -> do
258 mb <- f a
251 mb <- f a
259 mapM_ (subscriberPropagate sub) mb
252 mapM_ (subscriberPropagate sub) mb
@@ -272,10 +265,10 @@ terminalSubscriber p = Subscriber
272
265
273-- | Subscribe to an Event only for the duration of one occurrence
266-- | Subscribe to an Event only for the duration of one occurrence
274{-# INLINE subscribeAndReadHead #-}
267{-# INLINE subscribeAndReadHead #-}
275−subscribeAndReadHead :: HasSpiderTimeline x => Event x a -> Subscriber x a -> EventM x (EventSubscription x, Maybe a)
268+subscribeAndReadHead :: Event x a -> Subscriber x a -> EventM x (EventSubscription x, Maybe a)
276subscribeAndReadHead e sub = do
269subscribeAndReadHead e sub = do
277 subscriptionRef <- liftIO $ newIORef $ error "subscribeAndReadHead: not initialized"
270 subscriptionRef <- liftIO $ newIORef $ error "subscribeAndReadHead: not initialized"
278− (subscription, occ) <- subscribeAndRead e $ debugSubscriber' "head" $ sub
271+ (subscription, occ) <- subscribeAndRead e $ sub
279 { subscriberPropagate = \a -> do
272 { subscriberPropagate = \a -> do
280 liftIO $ unsubscribe =<< readIORef subscriptionRef
273 liftIO $ unsubscribe =<< readIORef subscriptionRef
281 subscriberPropagate sub a
274 subscriberPropagate sub a
@@ -286,42 +279,24 @@ subscribeAndReadHead e sub = do
286 return (subscription, occ)
279 return (subscription, occ)
287
280
288--TODO: Make this lazy in its input event
281--TODO: Make this lazy in its input event
289−headE :: (MonadIO m, Defer (SomeMergeInit x) m, HasSpiderTimeline x) => Event x a -> m (Event x a)
282+headE :: (MonadIO m, Defer (SomeMergeInit x) m) => Event x a -> m (Event x a)
290headE originalE = do
283headE originalE = do
291 parent <- liftIO $ newIORef $ Just originalE
284 parent <- liftIO $ newIORef $ Just originalE
292 defer $ SomeMergeInit $ do --TODO: Rename SomeMergeInit appropriately
285 defer $ SomeMergeInit $ do --TODO: Rename SomeMergeInit appropriately
293 let clearParent = liftIO $ writeIORef parent Nothing
286 let clearParent = liftIO $ writeIORef parent Nothing
294− (_, occ) <- subscribeAndReadHead originalE $ terminalSubscriber $ const clearParent
287+ (_, occ) <- subscribeAndReadHead originalE $ terminalSubscriber $ \_ -> clearParent
295 when (isJust occ) clearParent
288 when (isJust occ) clearParent
296− return $ Event $ \sub ->
289+ return $ Event $ \sub -> do
297 liftIO (readIORef parent) >>= \case
290 liftIO (readIORef parent) >>= \case
298− Nothing -> subscribeAndReadNever
291+ Nothing -> return (EventSubscription (return ()) $ EventSubscribed zeroRef $ toAny (), Nothing)
299 Just e -> subscribeAndReadHead e sub
292 Just e -> subscribeAndReadHead e sub
300
293
301data CacheSubscribed x a
294data CacheSubscribed x a
302 = CacheSubscribed { _cacheSubscribed_subscribers :: {-# UNPACK #-} !(FastWeakBag (Subscriber x a))
295 = CacheSubscribed { _cacheSubscribed_subscribers :: {-# UNPACK #-} !(FastWeakBag (Subscriber x a))
303 , _cacheSubscribed_parent :: {-# UNPACK #-} !(EventSubscription x)
296 , _cacheSubscribed_parent :: {-# UNPACK #-} !(EventSubscription x)
304 , _cacheSubscribed_occurrence :: {-# UNPACK #-} !(IORef (Maybe a))
297 , _cacheSubscribed_occurrence :: {-# UNPACK #-} !(IORef (Maybe a))
305−#ifdef DEBUG_NODEIDS
306− , _cacheSubscribed_nodeId :: {-# UNPACK #-} !Int
307−#endif
308 }
298 }
309
299
310−nowSpiderEventM :: (HasSpiderTimeline x) => EventM x (R.Event (SpiderTimeline x) ())
311−nowSpiderEventM =
312− SpiderEvent <$> now
313−
314−now :: (MonadIO m, Defer (Some Clear) m, HasSpiderTimeline x
315− ) => m (Event x ())
316−now = do
317− nowOrNot <- liftIO $ newIORef $ Just ()
318− scheduleClear nowOrNot
319− return . Event $ \_ -> do
320− occ <- liftIO . readIORef $ nowOrNot
321− return ( EventSubscription (return ()) eventSubscribedNow
322− , occ
323− )
324−
325-- | Construct an 'Event' whose value is guaranteed not to be recomputed
300-- | Construct an 'Event' whose value is guaranteed not to be recomputed
326-- repeatedly
301-- repeatedly
327--
302--
@@ -346,23 +321,18 @@ cacheEvent e =
346 subscribedTicket <- liftIO (readIORef mSubscribedRef >>= getFastWeakTicket) >>= \case
321 subscribedTicket <- liftIO (readIORef mSubscribedRef >>= getFastWeakTicket) >>= \case
347 Just subscribedTicket -> return subscribedTicket
322 Just subscribedTicket -> return subscribedTicket
348 Nothing -> do
323 Nothing -> do
349−#ifdef DEBUG_NODEIDS
350− nodeId <- liftIO newNodeId
351−#endif
352 subscribers <- liftIO FastWeakBag.empty
324 subscribers <- liftIO FastWeakBag.empty
353 occRef <- liftIO $ newIORef Nothing -- This should never be read prior to being set below
325 occRef <- liftIO $ newIORef Nothing -- This should never be read prior to being set below
354−#ifdef DEBUG_NODEIDS
355− (parentSub, occ) <- subscribeAndRead e $ debugSubscriber' ("cacheEvent" <> showNodeId' nodeId) $ Subscriber
356−#else
357 (parentSub, occ) <- subscribeAndRead e $ Subscriber
326 (parentSub, occ) <- subscribeAndRead e $ Subscriber
358−#endif
359− { subscriberPropagate = \a -> do
327+ { subscriberPropagate = \a -> do
360− liftIO $ writeIORef occRef (Just a)
328+ liftIO $ writeIORef occRef $ Just a
361− scheduleClear occRef
329+ scheduleClear occRef
362− propagateFast a subscribers
330+ propagateFast a subscribers
331+ , subscriberInvalidateHeight = \old -> do
363− , subscriberInvalidateHeight = FastWeakBag.traverse_ subscribers . invalidateSubscriberHeight
332+ FastWeakBag.traverse subscribers $ invalidateSubscriberHeight old
333+ , subscriberRecalculateHeight = \new -> do
364− , subscriberRecalculateHeight = FastWeakBag.traverse_ subscribers . recalculateSubscriberHeight
334+ FastWeakBag.traverse subscribers $ recalculateSubscriberHeight new
365− }
335+ }
366 when (isJust occ) $ do
336 when (isJust occ) $ do
367 liftIO $ writeIORef occRef occ -- Set the initial value of occRef; we don't need to do this if occ is Nothing
337 liftIO $ writeIORef occRef occ -- Set the initial value of occRef; we don't need to do this if occ is Nothing
368 scheduleClear occRef
338 scheduleClear occRef
@@ -370,45 +340,29 @@ cacheEvent e =
370 { _cacheSubscribed_subscribers = subscribers
340 { _cacheSubscribed_subscribers = subscribers
371 , _cacheSubscribed_parent = parentSub
341 , _cacheSubscribed_parent = parentSub
372 , _cacheSubscribed_occurrence = occRef
342 , _cacheSubscribed_occurrence = occRef
373−#ifdef DEBUG_NODEIDS
374− , _cacheSubscribed_nodeId = nodeId
375−#endif
376 }
343 }
377 subscribedTicket <- liftIO $ mkFastWeakTicket subscribed
344 subscribedTicket <- liftIO $ mkFastWeakTicket subscribed
378 liftIO $ writeIORef mSubscribedRef =<< getFastWeakTicketWeak subscribedTicket
345 liftIO $ writeIORef mSubscribedRef =<< getFastWeakTicketWeak subscribedTicket
379 return subscribedTicket
346 return subscribedTicket
380− liftIO $ cacheSubscription sub mSubscribedRef subscribedTicket
347+ liftIO $ do
381−
382−cacheSubscription :: Subscriber x a -> IORef (FastWeak (CacheSubscribed x a))
383− -> FastWeakTicket (CacheSubscribed x a) -> IO (EventSubscription x, Maybe a)
384−cacheSubscription sub mSubscribedRef subscribedTicket = do
385− subscribed <- getFastWeakTicketValue subscribedTicket
348+ subscribed <- getFastWeakTicketValue subscribedTicket
386− ticket <- FastWeakBag.insert sub $ _cacheSubscribed_subscribers subscribed
349+ ticket <- FastWeakBag.insert sub $ _cacheSubscribed_subscribers subscribed
387− occ <- readIORef $ _cacheSubscribed_occurrence subscribed
350+ occ <- readIORef $ _cacheSubscribed_occurrence subscribed
388−
389− let parentSub = _cacheSubscribed_parent subscribed
390− es = EventSubscription
351+ let es = EventSubscription
391− { _eventSubscription_unsubscribe = do
352+ { _eventSubscription_unsubscribe = do
392− FastWeakBag.remove ticket
353+ FastWeakBag.remove ticket
393−
394− isEmpty <- FastWeakBag.isEmpty $ _cacheSubscribed_subscribers subscribed
354+ isEmpty <- FastWeakBag.isEmpty $ _cacheSubscribed_subscribers subscribed
395− when isEmpty $ do
355+ when isEmpty $ do
396− writeIORef mSubscribedRef emptyFastWeak
356+ writeIORef mSubscribedRef emptyFastWeak
397− unsubscribe parentSub
357+ unsubscribe $ _cacheSubscribed_parent subscribed
398− touch ticket
358+ touch ticket
399− touch subscribedTicket
359+ touch subscribedTicket
400− , _eventSubscription_subscribed = EventSubscribed
360+ , _eventSubscription_subscribed = EventSubscribed
401− { eventSubscribedHeightRef = eventSubscribedHeightRef $ _eventSubscription_subscribed parentSub
361+ { eventSubscribedHeightRef = eventSubscribedHeightRef $ _eventSubscription_subscribed $ _cacheSubscribed_parent subscribed
402− , eventSubscribedRetained = toAny subscribedTicket
362+ , eventSubscribedRetained = toAny subscribedTicket
403−#ifdef DEBUG_CYCLES
404− , eventSubscribedGetParents = return [_eventSubscription_subscribed parentSub]
405− , eventSubscribedHasOwnHeightRef = False
406− , eventSubscribedWhoCreated = whoCreatedIORef mSubscribedRef
407−#endif
408− }
363+ }
409− }
364+ }
410− return (es, occ)
365+ return (es, occ)
411−
412
366
413subscribe :: Event x a -> Subscriber x a -> EventM x (EventSubscription x)
367subscribe :: Event x a -> Subscriber x a -> EventM x (EventSubscription x)
414subscribe e s = fst <$> subscribeAndRead e s
368subscribe e s = fst <$> subscribeAndRead e s
@@ -420,14 +374,11 @@ wrap tag getSpecificSubscribed sub = do
420 let es = tag subd
374 let es = tag subd
421 return (EventSubscription (WeakBag.remove sln >> touch sln) es, occ)
375 return (EventSubscription (WeakBag.remove sln >> touch sln) es, occ)
422
376
423−eventRoot :: (GCompare k, HasSpiderTimeline x) => k a -> Root x k -> Event x a
377+eventRoot :: GCompare k => k a -> Root x k -> Event x a
424eventRoot !k !r = Event $ wrap eventSubscribedRoot $ liftIO . getRootSubscribed k r
378eventRoot !k !r = Event $ wrap eventSubscribedRoot $ liftIO . getRootSubscribed k r
425
379
426−subscribeAndReadNever :: EventM x (EventSubscription x, Maybe a)
427−subscribeAndReadNever = return (EventSubscription (return ()) eventSubscribedNever, Nothing)
428−
429eventNever :: Event x a
380eventNever :: Event x a
430−eventNever = Event $ const subscribeAndReadNever
381+eventNever = Event $ \_ -> return (EventSubscription (return ()) eventSubscribedNever, Nothing)
431
382
432eventFan :: (GCompare k, HasSpiderTimeline x) => k a -> Fan x k v -> Event x (v a)
383eventFan :: (GCompare k, HasSpiderTimeline x) => k a -> Fan x k v -> Event x (v a)
433eventFan !k !f = Event $ wrap eventSubscribedFan $ getFanSubscribed k f
384eventFan !k !f = Event $ wrap eventSubscribedFan $ getFanSubscribed k f
@@ -464,6 +415,16 @@ data Subscriber x a = Subscriber
464 , subscriberRecalculateHeight :: !(Height -> IO ())
415 , subscriberRecalculateHeight :: !(Height -> IO ())
465 }
416 }
466
417
418+--TODO: Move this comment to WeakBag
419+-- These function are constructor functions that are marked NOINLINE so they are
420+-- opaque to GHC. If we do not do this, then GHC will sometimes fuse the constructor away
421+-- so any weak references that are attached to the constructors will have their
422+-- finalizer run. Using the opaque constructor, does not see the
423+-- constructor application, so it behaves like an IORef and cannot be fused away.
424+--
425+-- The result is also evaluated to WHNF, since forcing a thunk invalidates
426+-- the weak pointer to it in some cases.
427+
467newSubscriberHold :: (HasSpiderTimeline x, Patch p) => Hold x p -> IO (Subscriber x p)
428newSubscriberHold :: (HasSpiderTimeline x, Patch p) => Hold x p -> IO (Subscriber x p)
468newSubscriberHold h = return $ Subscriber
429newSubscriberHold h = return $ Subscriber
469 { subscriberPropagate = {-# SCC "traverseHold" #-} propagateSubscriberHold h
430 { subscriberPropagate = {-# SCC "traverseHold" #-} propagateSubscriberHold h
@@ -472,10 +433,10 @@ newSubscriberHold h = return $ Subscriber
472 }
433 }
473
434
474newSubscriberFan :: forall x k v. (HasSpiderTimeline x, GCompare k) => FanSubscribed x k v -> IO (Subscriber x (DMap k v))
435newSubscriberFan :: forall x k v. (HasSpiderTimeline x, GCompare k) => FanSubscribed x k v -> IO (Subscriber x (DMap k v))
475−newSubscriberFan subscribed = debugSubscriber ("SubscriberFan " <> showNodeId subscribed) $ Subscriber
436+newSubscriberFan subscribed = return $ Subscriber
476 { subscriberPropagate = \a -> {-# SCC "traverseFan" #-} do
437 { subscriberPropagate = \a -> {-# SCC "traverseFan" #-} do
477 subs <- liftIO $ readIORef $ fanSubscribedSubscribers subscribed
438 subs <- liftIO $ readIORef $ fanSubscribedSubscribers subscribed
478− tracePropagate (Proxy :: Proxy x) $ show (DMap.size subs) <> " keys subscribed, " <> show (DMap.size a) <> " keys firing"
439+ tracePropagate (Proxy :: Proxy x) $ "SubscriberFan" <> showNodeId subscribed <> ": " ++ show (DMap.size subs) ++ " keys subscribed, " ++ show (DMap.size a) ++ " keys firing"
479 liftIO $ writeIORef (fanSubscribedOccurrence subscribed) $ Just a
440 liftIO $ writeIORef (fanSubscribedOccurrence subscribed) $ Just a
480 scheduleClear $ fanSubscribedOccurrence subscribed
441 scheduleClear $ fanSubscribedOccurrence subscribed
481 let f _ (Pair v subsubs) = do
442 let f _ (Pair v subsubs) = do
@@ -484,55 +445,72 @@ newSubscriberFan subscribed = debugSubscriber ("SubscriberFan " <> showNodeId su
484 _ <- DMap.traverseWithKey f $ DMap.intersectionWithKey (\_ -> Pair) a subs --TODO: Would be nice to have DMap.traverse_
445 _ <- DMap.traverseWithKey f $ DMap.intersectionWithKey (\_ -> Pair) a subs --TODO: Would be nice to have DMap.traverse_
485 return ()
446 return ()
486 , subscriberInvalidateHeight = \old -> do
447 , subscriberInvalidateHeight = \old -> do
448+ when debugInvalidateHeight $ putStrLn $ "invalidateSubscriberHeight: SubscriberFan" <> showNodeId subscribed
487 subscribers <- readIORef $ fanSubscribedSubscribers subscribed
449 subscribers <- readIORef $ fanSubscribedSubscribers subscribed
488− forM_ (DMap.toList subscribers) $ \(_ :=> v) -> WeakBag.traverse_ (_fanSubscribedChildren_list v) $ invalidateSubscriberHeight old
450+ forM_ (DMap.toList subscribers) $ \(_ :=> v) -> WeakBag.traverse (_fanSubscribedChildren_list v) $ invalidateSubscriberHeight old
451+ when debugInvalidateHeight $ putStrLn $ "invalidateSubscriberHeight: SubscriberFan" <> showNodeId subscribed <> " done"
489 , subscriberRecalculateHeight = \new -> do
452 , subscriberRecalculateHeight = \new -> do
453+ when debugInvalidateHeight $ putStrLn $ "recalculateSubscriberHeight: SubscriberFan" <> showNodeId subscribed
490 subscribers <- readIORef $ fanSubscribedSubscribers subscribed
454 subscribers <- readIORef $ fanSubscribedSubscribers subscribed
491− forM_ (DMap.toList subscribers) $ \(_ :=> v) -> WeakBag.traverse_ (_fanSubscribedChildren_list v) $ recalculateSubscriberHeight new
455+ forM_ (DMap.toList subscribers) $ \(_ :=> v) -> WeakBag.traverse (_fanSubscribedChildren_list v) $ recalculateSubscriberHeight new
456+ when debugInvalidateHeight $ putStrLn $ "recalculateSubscriberHeight: SubscriberFan" <> showNodeId subscribed <> " done"
492 }
457 }
493
458
494newSubscriberSwitch :: forall x a. HasSpiderTimeline x => SwitchSubscribed x a -> IO (Subscriber x a)
459newSubscriberSwitch :: forall x a. HasSpiderTimeline x => SwitchSubscribed x a -> IO (Subscriber x a)
495−newSubscriberSwitch subscribed = debugSubscriber ("SubscriberCoincidenceOuter" <> showNodeId subscribed) $ Subscriber
460+newSubscriberSwitch subscribed = return $ Subscriber
496 { subscriberPropagate = \a -> {-# SCC "traverseSwitch" #-} do
461 { subscriberPropagate = \a -> {-# SCC "traverseSwitch" #-} do
462+ tracePropagate (Proxy :: Proxy x) $ "SubscriberSwitch" <> showNodeId subscribed
497 liftIO $ writeIORef (switchSubscribedOccurrence subscribed) $ Just a
463 liftIO $ writeIORef (switchSubscribedOccurrence subscribed) $ Just a
498 scheduleClear $ switchSubscribedOccurrence subscribed
464 scheduleClear $ switchSubscribedOccurrence subscribed
499 propagate a $ switchSubscribedSubscribers subscribed
465 propagate a $ switchSubscribedSubscribers subscribed
500 , subscriberInvalidateHeight = \_ -> do
466 , subscriberInvalidateHeight = \_ -> do
467+ when debugInvalidateHeight $ putStrLn $ "invalidateSubscriberHeight: SubscriberSwitch" <> showNodeId subscribed
501 oldHeight <- readIORef $ switchSubscribedHeight subscribed
468 oldHeight <- readIORef $ switchSubscribedHeight subscribed
502 when (oldHeight /= invalidHeight) $ do
469 when (oldHeight /= invalidHeight) $ do
503 writeIORef (switchSubscribedHeight subscribed) $! invalidHeight
470 writeIORef (switchSubscribedHeight subscribed) $! invalidHeight
504− WeakBag.traverse_ (switchSubscribedSubscribers subscribed) $ invalidateSubscriberHeight oldHeight
471+ WeakBag.traverse (switchSubscribedSubscribers subscribed) $ invalidateSubscriberHeight oldHeight
472+ when debugInvalidateHeight $ putStrLn $ "invalidateSubscriberHeight: SubscriberSwitch" <> showNodeId subscribed <> " done"
473+ , subscriberRecalculateHeight = \new -> do
474+ when debugInvalidateHeight $ putStrLn $ "recalculateSubscriberHeight: SubscriberSwitch" <> showNodeId subscribed
505− , subscriberRecalculateHeight = (`updateSwitchHeight` subscribed)
475+ updateSwitchHeight new subscribed
476+ when debugInvalidateHeight $ putStrLn $ "recalculateSubscriberHeight: SubscriberSwitch" <> showNodeId subscribed <> " done"
506− }
477+ }
507
478
508newSubscriberCoincidenceOuter :: forall x b. HasSpiderTimeline x => CoincidenceSubscribed x b -> IO (Subscriber x (Event x b))
479newSubscriberCoincidenceOuter :: forall x b. HasSpiderTimeline x => CoincidenceSubscribed x b -> IO (Subscriber x (Event x b))
509−newSubscriberCoincidenceOuter subscribed = debugSubscriber ("SubscriberCoincidenceOuter" <> showNodeId subscribed) $ Subscriber
480+newSubscriberCoincidenceOuter subscribed = return $ Subscriber
510 { subscriberPropagate = \a -> {-# SCC "traverseCoincidenceOuter" #-} do
481 { subscriberPropagate = \a -> {-# SCC "traverseCoincidenceOuter" #-} do
482+ tracePropagate (Proxy :: Proxy x) $ "SubscriberCoincidenceOuter" <> showNodeId subscribed
511 outerHeight <- liftIO $ readIORef $ coincidenceSubscribedHeight subscribed
483 outerHeight <- liftIO $ readIORef $ coincidenceSubscribedHeight subscribed
512 tracePropagate (Proxy :: Proxy x) $ " outerHeight = " <> show outerHeight
484 tracePropagate (Proxy :: Proxy x) $ " outerHeight = " <> show outerHeight
513 (occ, innerHeight, innerSubd) <- subscribeCoincidenceInner a outerHeight subscribed
485 (occ, innerHeight, innerSubd) <- subscribeCoincidenceInner a outerHeight subscribed
514 tracePropagate (Proxy :: Proxy x) $ " isJust occ = " <> show (isJust occ)
486 tracePropagate (Proxy :: Proxy x) $ " isJust occ = " <> show (isJust occ)
515 tracePropagate (Proxy :: Proxy x) $ " innerHeight = " <> show innerHeight
487 tracePropagate (Proxy :: Proxy x) $ " innerHeight = " <> show innerHeight
516−
517 liftIO $ writeIORef (coincidenceSubscribedInnerParent subscribed) $ Just innerSubd
488 liftIO $ writeIORef (coincidenceSubscribedInnerParent subscribed) $ Just innerSubd
518 scheduleClear $ coincidenceSubscribedInnerParent subscribed
489 scheduleClear $ coincidenceSubscribedInnerParent subscribed
519 case occ of
490 case occ of
520− Nothing ->
491+ Nothing -> do
521 when (innerHeight > outerHeight) $ liftIO $ do -- If the event fires, it will fire at a later height
492 when (innerHeight > outerHeight) $ liftIO $ do -- If the event fires, it will fire at a later height
522 writeIORef (coincidenceSubscribedHeight subscribed) $! innerHeight
493 writeIORef (coincidenceSubscribedHeight subscribed) $! innerHeight
523− WeakBag.traverse_ (coincidenceSubscribedSubscribers subscribed) $ invalidateSubscriberHeight outerHeight
494+ WeakBag.traverse (coincidenceSubscribedSubscribers subscribed) $ invalidateSubscriberHeight outerHeight
524− WeakBag.traverse_ (coincidenceSubscribedSubscribers subscribed) $ recalculateSubscriberHeight innerHeight
495+ WeakBag.traverse (coincidenceSubscribedSubscribers subscribed) $ recalculateSubscriberHeight innerHeight
525 Just o -> do -- Since it's already firing, no need to adjust height
496 Just o -> do -- Since it's already firing, no need to adjust height
526 liftIO $ writeIORef (coincidenceSubscribedOccurrence subscribed) occ
497 liftIO $ writeIORef (coincidenceSubscribedOccurrence subscribed) occ
527 scheduleClear $ coincidenceSubscribedOccurrence subscribed
498 scheduleClear $ coincidenceSubscribedOccurrence subscribed
528 propagate o $ coincidenceSubscribedSubscribers subscribed
499 propagate o $ coincidenceSubscribedSubscribers subscribed
500+ , subscriberInvalidateHeight = \_ -> do
501+ when debugInvalidateHeight $ putStrLn $ "invalidateSubscriberHeight: SubscriberCoincidenceOuter" <> showNodeId subscribed
529− , subscriberInvalidateHeight = \_ -> invalidateCoincidenceHeight subscribed
502+ invalidateCoincidenceHeight subscribed
503+ when debugInvalidateHeight $ putStrLn $ "invalidateSubscriberHeight: SubscriberCoincidenceOuter" <> showNodeId subscribed <> " done"
504+ , subscriberRecalculateHeight = \_ -> do
505+ when debugInvalidateHeight $ putStrLn $ "recalculateSubscriberHeight: SubscriberCoincidenceOuter" <> showNodeId subscribed
530− , subscriberRecalculateHeight = \_ -> recalculateCoincidenceHeight subscribed
506+ recalculateCoincidenceHeight subscribed
507+ when debugInvalidateHeight $ putStrLn $ "recalculateSubscriberHeight: SubscriberCoincidenceOuter" <> showNodeId subscribed <> " done"
531 }
508 }
532
509
533newSubscriberCoincidenceInner :: forall x a. HasSpiderTimeline x => CoincidenceSubscribed x a -> IO (Subscriber x a)
510newSubscriberCoincidenceInner :: forall x a. HasSpiderTimeline x => CoincidenceSubscribed x a -> IO (Subscriber x a)
534−newSubscriberCoincidenceInner subscribed = debugSubscriber ("SubscriberCoincidenceInner" <> showNodeId subscribed) $ Subscriber
511+newSubscriberCoincidenceInner subscribed = return $ Subscriber
535 { subscriberPropagate = \a -> {-# SCC "traverseCoincidenceInner" #-} do
512 { subscriberPropagate = \a -> {-# SCC "traverseCoincidenceInner" #-} do
513+ tracePropagate (Proxy :: Proxy x) $ "SubscriberCoincidenceInner" <> showNodeId subscribed
536 occ <- liftIO $ readIORef $ coincidenceSubscribedOccurrence subscribed
514 occ <- liftIO $ readIORef $ coincidenceSubscribedOccurrence subscribed
537 case occ of
515 case occ of
538 Just _ -> return () -- SubscriberCoincidenceOuter must have already propagated this event
516 Just _ -> return () -- SubscriberCoincidenceOuter must have already propagated this event
@@ -540,8 +518,14 @@ newSubscriberCoincidenceInner subscribed = debugSubscriber ("SubscriberCoinciden
540 liftIO $ writeIORef (coincidenceSubscribedOccurrence subscribed) $ Just a
518 liftIO $ writeIORef (coincidenceSubscribedOccurrence subscribed) $ Just a
541 scheduleClear $ coincidenceSubscribedOccurrence subscribed
519 scheduleClear $ coincidenceSubscribedOccurrence subscribed
542 propagate a $ coincidenceSubscribedSubscribers subscribed
520 propagate a $ coincidenceSubscribedSubscribers subscribed
521+ , subscriberInvalidateHeight = \_ -> do
522+ when debugInvalidateHeight $ putStrLn $ "invalidateSubscriberHeight: SubscriberCoincidenceInner" <> showNodeId subscribed
543− , subscriberInvalidateHeight = \_ -> invalidateCoincidenceHeight subscribed
523+ invalidateCoincidenceHeight subscribed
524+ when debugInvalidateHeight $ putStrLn $ "invalidateSubscriberHeight: SubscriberCoincidenceInner" <> showNodeId subscribed <> " done"
525+ , subscriberRecalculateHeight = \_ -> do
526+ when debugInvalidateHeight $ putStrLn $ "recalculateSubscriberHeight: SubscriberCoincidenceInner" <> showNodeId subscribed
544− , subscriberRecalculateHeight = \_ -> recalculateCoincidenceHeight subscribed
527+ recalculateCoincidenceHeight subscribed
528+ when debugInvalidateHeight $ putStrLn $ "recalculateSubscriberHeight: SubscriberCoincidenceInner" <> showNodeId subscribed <> " done"
545 }
529 }
546
530
547invalidateSubscriberHeight :: Height -> Subscriber x a -> IO ()
531invalidateSubscriberHeight :: Height -> Subscriber x a -> IO ()
@@ -551,18 +535,18 @@ recalculateSubscriberHeight :: Height -> Subscriber x a -> IO ()
551recalculateSubscriberHeight = flip subscriberRecalculateHeight
535recalculateSubscriberHeight = flip subscriberRecalculateHeight
552
536
553-- | Propagate everything at the current height
537-- | Propagate everything at the current height
554−propagate :: forall x a. HasSpiderTimeline x => a -> WeakBag (Subscriber x a) -> EventM x ()
538+propagate :: a -> WeakBag (Subscriber x a) -> EventM x ()
555−propagate a subscribers = withIncreasedDepth (Proxy::Proxy x) $
539+propagate a subscribers = withIncreasedDepth $ do
556 -- Note: in the following traversal, we do not visit nodes that are added to the list during our traversal; they are new events, which will necessarily have full information already, so there is no need to traverse them
540 -- Note: in the following traversal, we do not visit nodes that are added to the list during our traversal; they are new events, which will necessarily have full information already, so there is no need to traverse them
557 --TODO: Should we check if nodes already have their values before propagating? Maybe we're re-doing work
541 --TODO: Should we check if nodes already have their values before propagating? Maybe we're re-doing work
558− WeakBag.traverse_ subscribers $ \s -> subscriberPropagate s a
542+ WeakBag.traverse subscribers $ \s -> subscriberPropagate s a
559
543
560-- | Propagate everything at the current height
544-- | Propagate everything at the current height
561−propagateFast :: forall x a. HasSpiderTimeline x => a -> FastWeakBag (Subscriber x a) -> EventM x ()
545+propagateFast :: a -> FastWeakBag (Subscriber x a) -> EventM x ()
562−propagateFast a subscribers = withIncreasedDepth (Proxy::Proxy x) $
546+propagateFast a subscribers = withIncreasedDepth $ do
563 -- Note: in the following traversal, we do not visit nodes that are added to the list during our traversal; they are new events, which will necessarily have full information already, so there is no need to traverse them
547 -- Note: in the following traversal, we do not visit nodes that are added to the list during our traversal; they are new events, which will necessarily have full information already, so there is no need to traverse them
564 --TODO: Should we check if nodes already have their values before propagating? Maybe we're re-doing work
548 --TODO: Should we check if nodes already have their values before propagating? Maybe we're re-doing work
565− FastWeakBag.traverse_ subscribers $ \s -> subscriberPropagate s a
549+ FastWeakBag.traverse subscribers $ \s -> subscriberPropagate s a
566
550
567--------------------------------------------------------------------------------
551--------------------------------------------------------------------------------
568-- EventSubscribed
552-- EventSubscribed
@@ -580,7 +564,7 @@ data EventSubscribed x = EventSubscribed
580 { eventSubscribedHeightRef :: {-# UNPACK #-} !(IORef Height)
564 { eventSubscribedHeightRef :: {-# UNPACK #-} !(IORef Height)
581 , eventSubscribedRetained :: {-# NOUNPACK #-} !Any
565 , eventSubscribedRetained :: {-# NOUNPACK #-} !Any
582#ifdef DEBUG_CYCLES
566#ifdef DEBUG_CYCLES
583− , eventSubscribedGetParents :: !(IO [EventSubscribed x]) -- For debugging loops
567+ , eventSubscribedGetParents :: !(IO [Some (EventSubscribed x)]) -- For debugging loops
584 , eventSubscribedHasOwnHeightRef :: !Bool
568 , eventSubscribedHasOwnHeightRef :: !Bool
585 , eventSubscribedWhoCreated :: !(IO [String])
569 , eventSubscribedWhoCreated :: !(IO [String])
586#endif
570#endif
@@ -607,23 +591,13 @@ eventSubscribedNever = EventSubscribed
607 , eventSubscribedWhoCreated = return ["never"]
591 , eventSubscribedWhoCreated = return ["never"]
608#endif
592#endif
609 }
593 }
610−eventSubscribedNow :: EventSubscribed x
611−eventSubscribedNow = EventSubscribed
612− { eventSubscribedHeightRef = zeroRef
613− , eventSubscribedRetained = toAny ()
614−#ifdef DEBUG_CYCLES
615− , eventSubscribedGetParents = return []
616− , eventSubscribedHasOwnHeightRef = False
617− , eventSubscribedWhoCreated = return ["now"]
618−#endif
619− }
620
594
621eventSubscribedFan :: FanSubscribed x k v -> EventSubscribed x
595eventSubscribedFan :: FanSubscribed x k v -> EventSubscribed x
622eventSubscribedFan !subscribed = EventSubscribed
596eventSubscribedFan !subscribed = EventSubscribed
623 { eventSubscribedHeightRef = eventSubscribedHeightRef $ _eventSubscription_subscribed $ fanSubscribedParent subscribed
597 { eventSubscribedHeightRef = eventSubscribedHeightRef $ _eventSubscription_subscribed $ fanSubscribedParent subscribed
624 , eventSubscribedRetained = toAny subscribed
598 , eventSubscribedRetained = toAny subscribed
625#ifdef DEBUG_CYCLES
599#ifdef DEBUG_CYCLES
626− , eventSubscribedGetParents = return [_eventSubscription_subscribed $ fanSubscribedParent subscribed]
600+ , eventSubscribedGetParents = return [Some $ _eventSubscription_subscribed $ fanSubscribedParent subscribed]
627 , eventSubscribedHasOwnHeightRef = False
601 , eventSubscribedHasOwnHeightRef = False
628 , eventSubscribedWhoCreated = whoCreatedIORef $ fanSubscribedCachedSubscribed subscribed
602 , eventSubscribedWhoCreated = whoCreatedIORef $ fanSubscribedCachedSubscribed subscribed
629#endif
603#endif
@@ -636,7 +610,7 @@ eventSubscribedSwitch !subscribed = EventSubscribed
636#ifdef DEBUG_CYCLES
610#ifdef DEBUG_CYCLES
637 , eventSubscribedGetParents = do
611 , eventSubscribedGetParents = do
638 s <- readIORef $ switchSubscribedCurrentParent subscribed
612 s <- readIORef $ switchSubscribedCurrentParent subscribed
639− return [_eventSubscription_subscribed s]
613+ return [Some $ _eventSubscription_subscribed s]
640 , eventSubscribedHasOwnHeightRef = True
614 , eventSubscribedHasOwnHeightRef = True
641 , eventSubscribedWhoCreated = whoCreatedIORef $ switchSubscribedCachedSubscribed subscribed
615 , eventSubscribedWhoCreated = whoCreatedIORef $ switchSubscribedCachedSubscribed subscribed
642#endif
616#endif
@@ -649,8 +623,8 @@ eventSubscribedCoincidence !subscribed = EventSubscribed
649#ifdef DEBUG_CYCLES
623#ifdef DEBUG_CYCLES
650 , eventSubscribedGetParents = do
624 , eventSubscribedGetParents = do
651 innerSubscription <- readIORef $ coincidenceSubscribedInnerParent subscribed
625 innerSubscription <- readIORef $ coincidenceSubscribedInnerParent subscribed
652− let outerParent = _eventSubscription_subscribed $ coincidenceSubscribedOuterParent subscribed
626+ let outerParent = Some $ _eventSubscription_subscribed $ coincidenceSubscribedOuterParent subscribed
653− innerParents = maybeToList $ innerSubscription
627+ innerParents = maybeToList $ fmap Some innerSubscription
654 return $ outerParent : innerParents
628 return $ outerParent : innerParents
655 , eventSubscribedHasOwnHeightRef = True
629 , eventSubscribedHasOwnHeightRef = True
656 , eventSubscribedWhoCreated = whoCreatedIORef $ coincidenceSubscribedCachedSubscribed subscribed
630 , eventSubscribedWhoCreated = whoCreatedIORef $ coincidenceSubscribedCachedSubscribed subscribed
@@ -664,15 +638,15 @@ getEventSubscribedHeight es = readIORef $ eventSubscribedHeightRef es
664whoCreatedEventSubscribed :: EventSubscribed x -> IO [String]
638whoCreatedEventSubscribed :: EventSubscribed x -> IO [String]
665whoCreatedEventSubscribed = eventSubscribedWhoCreated
639whoCreatedEventSubscribed = eventSubscribedWhoCreated
666
640
667−walkInvalidHeightParents :: EventSubscribed x -> IO [EventSubscribed x]
641+walkInvalidHeightParents :: EventSubscribed x -> IO [Some (EventSubscribed x)]
668walkInvalidHeightParents s0 = do
642walkInvalidHeightParents s0 = do
669− subscribers <- flip execStateT mempty $ ($ s0) $ fix $ \loop s -> do
643+ subscribers <- flip execStateT mempty $ ($ Some s0) $ fix $ \loop (Some s) -> do
670 h <- liftIO $ readIORef $ eventSubscribedHeightRef s
644 h <- liftIO $ readIORef $ eventSubscribedHeightRef s
671 when (h == invalidHeight) $ do
645 when (h == invalidHeight) $ do
672 when (eventSubscribedHasOwnHeightRef s) $ liftIO $ writeIORef (eventSubscribedHeightRef s) $! invalidHeightBeingTraversed
646 when (eventSubscribedHasOwnHeightRef s) $ liftIO $ writeIORef (eventSubscribedHeightRef s) $! invalidHeightBeingTraversed
673− modify (s :)
647+ modify (Some s :)
674 mapM_ loop =<< liftIO (eventSubscribedGetParents s)
648 mapM_ loop =<< liftIO (eventSubscribedGetParents s)
675− forM_ subscribers $ \s -> writeIORef (eventSubscribedHeightRef s) $! invalidHeight
649+ forM_ subscribers $ \(Some s) -> writeIORef (eventSubscribedHeightRef s) $! invalidHeight
676 return subscribers
650 return subscribers
677#endif
651#endif
678
652
@@ -994,10 +968,8 @@ instance Monad (BehaviorM x) where
994 BehaviorM x >> BehaviorM y = BehaviorM $ x >> y
968 BehaviorM x >> BehaviorM y = BehaviorM $ x >> y
995 {-# INLINE return #-}
969 {-# INLINE return #-}
996 return x = BehaviorM $ return x
970 return x = BehaviorM $ return x
997−#if !MIN_VERSION_base(4,13,0)
998 {-# INLINE fail #-}
971 {-# INLINE fail #-}
999 fail s = BehaviorM $ fail s
972 fail s = BehaviorM $ fail s
1000−#endif
1001
973
1002data BehaviorSubscribed x a
974data BehaviorSubscribed x a
1003 = forall p. BehaviorSubscribedHold (Hold x p)
975 = forall p. BehaviorSubscribedHold (Hold x p)
@@ -1057,7 +1029,7 @@ data SomeMergeUpdate x = SomeMergeUpdate
1057newtype SomeMergeInit x = SomeMergeInit { unSomeMergeInit :: EventM x () }
1029newtype SomeMergeInit x = SomeMergeInit { unSomeMergeInit :: EventM x () }
1058
1030
1059-- EventM can do everything BehaviorM can, plus create holds
1031-- EventM can do everything BehaviorM can, plus create holds
1060−newtype EventM x a = EventM { unEventM :: IO a } deriving (Functor, Applicative, Monad, MonadIO, MonadFix, MonadException, MonadAsyncException)
1032+newtype EventM x a = EventM { unEventM :: IO a } deriving (Functor, Applicative, Monad, MonadIO, MonadFix, MonadException, MonadAsyncException) -- The environment should be Nothing if we are not in a frame, and Just if we are - in which case it is a list of assignments to be done after the frame is over
1061
1033
1062newtype MergeSubscribedParent x a = MergeSubscribedParent { unMergeSubscribedParent :: EventSubscription x }
1034newtype MergeSubscribedParent x a = MergeSubscribedParent { unMergeSubscribedParent :: EventSubscription x }
1063
1035
@@ -1082,8 +1054,7 @@ heightBagFromList :: [Height] -> HeightBag
1082heightBagFromList heights = heightBagVerify $ foldl' (flip heightBagAdd) heightBagEmpty heights
1054heightBagFromList heights = heightBagVerify $ foldl' (flip heightBagAdd) heightBagEmpty heights
1083
1055
1084heightBagAdd :: Height -> HeightBag -> HeightBag
1056heightBagAdd :: Height -> HeightBag -> HeightBag
1085−heightBagAdd (Height h) (HeightBag s c) = heightBagVerify $ HeightBag (succ s) $
1057+heightBagAdd (Height h) (HeightBag s c) = heightBagVerify $ HeightBag (succ s) $ IntMap.insertWithKey (\_ _ old -> succ old) h 0 c
1086− IntMap.insertWithKey (\_ _ old -> succ old) h 0 c
1087
1058
1088heightBagRemove :: Height -> HeightBag -> HeightBag
1059heightBagRemove :: Height -> HeightBag -> HeightBag
1089heightBagRemove (Height h) b@(HeightBag s c) = heightBagVerify $ case IntMap.lookup h c of
1060heightBagRemove (Height h) b@(HeightBag s c) = heightBagVerify $ case IntMap.lookup h c of
@@ -1092,13 +1063,6 @@ heightBagRemove (Height h) b@(HeightBag s c) = heightBagVerify $ case IntMap.loo
1092 0 -> IntMap.delete h c
1063 0 -> IntMap.delete h c
1093 _ -> IntMap.insert h (pred old) c
1064 _ -> IntMap.insert h (pred old) c
1094
1065
1095−heightBagRemoveMaybe :: Height -> HeightBag -> Maybe HeightBag
1096−heightBagRemoveMaybe (Height h) b@(HeightBag s c) = heightBagVerify . removed <$> IntMap.lookup h c where
1097− removed old = HeightBag (pred s) $ case old of
1098− 0 -> IntMap.delete h c
1099− _ -> IntMap.insert h (pred old) c
1100−
1101−
1102heightBagMax :: HeightBag -> Height
1066heightBagMax :: HeightBag -> Height
1103heightBagMax (HeightBag _ c) = case IntMap.maxViewWithKey c of
1067heightBagMax (HeightBag _ c) = case IntMap.maxViewWithKey c of
1104 Just ((h, _), _) -> Height h
1068 Just ((h, _), _) -> Height h
@@ -1199,10 +1163,7 @@ instance HasSpiderTimeline x => Semialign (Event x) where
1199 align ea eb = mapMaybe dmapToThese $ mergeG coerce $ dynamicConst $
1163 align ea eb = mapMaybe dmapToThese $ mergeG coerce $ dynamicConst $
1200 DMap.fromDistinctAscList [LeftTag :=> ea, RightTag :=> eb]
1164 DMap.fromDistinctAscList [LeftTag :=> ea, RightTag :=> eb]
1201
1165
1202−#ifdef MIN_VERSION_semialign
1166+#if defined(MIN_VERSION_semialign)
1203−#if MIN_VERSION_semialign(1,1,0)
1204−instance HasSpiderTimeline x => Zip (Event x) where
1205−#endif
1206 zip x y = mapMaybe justThese $ align x y
1167 zip x y = mapMaybe justThese $ align x y
1207#endif
1168#endif
1208
1169
@@ -1346,110 +1307,55 @@ mkWeakPtrWithDebug x debugNote = do
1346 x' <- evaluate x
1307 x' <- evaluate x
1347 mkWeakPtr x' $
1308 mkWeakPtr x' $
1348 if debugFinalize
1309 if debugFinalize
1349− then Just $ debugStrLn $ "finalizing: " ++ debugNote
1310+ then Just $ putStrLn $ "finalizing: " ++ debugNote
1350 else Nothing
1311 else Nothing
1351
1312
1352type WeakList a = [Weak a]
1313type WeakList a = [Weak a]
1353
1314
1354−type CanTrace x m = (HasSpiderTimeline x, MonadIO m)
1355−
1356−
1357−
1358−
1359−#ifdef DEBUG
1360−
1361−debugSubscriber :: forall x a. HasSpiderTimeline x => String -> Subscriber x a -> IO (Subscriber x a)
1362−debugSubscriber description = return . debugSubscriber' description
1363−
1364−debugSubscriber' :: forall x a. HasSpiderTimeline x => String -> Subscriber x a -> Subscriber x a
1365−debugSubscriber' description subscribed = Subscriber
1366− {
1367− subscriberPropagate = \m -> do
1368− tracePropagate (Proxy :: Proxy x) ("subscriberPropagate: " <> description)
1369− subscriberPropagate subscribed m
1370− , subscriberInvalidateHeight = \old -> do
1371− traceInvalidateHeight $ "invalidateSubscriberHeight: " <> description <> ", old = " <> show (unHeight old)
1372− subscriberInvalidateHeight subscribed old
1373− traceInvalidateHeight $ "invalidateSubscriberHeight: " <> description <> ", done"
1374− , subscriberRecalculateHeight = \new -> do
1375− traceInvalidateHeight $ "subscriberRecalculateHeight: " <> description <> ", new = " <> show (unHeight new)
1376− subscriberRecalculateHeight subscribed new
1377− traceInvalidateHeight $ "subscriberRecalculateHeight: " <> description <> ", done"
1378− }
1379−
1380−
1381{-# INLINE withIncreasedDepth #-}
1315{-# INLINE withIncreasedDepth #-}
1316+#ifdef DEBUG
1382−withIncreasedDepth :: forall proxy x m a. CanTrace x m => proxy x -> m a -> m a
1317+withIncreasedDepth :: CanTrace x m => m a -> m a
1383−withIncreasedDepth _ a = do
1318+withIncreasedDepth a = do
1319+ spiderTimeline <- askSpiderTimelineEnv
1384− liftIO $ modifyIORef' (_spiderTimeline_depth $ unSTE (spiderTimeline :: SpiderTimelineEnv x)) succ
1320+ liftIO $ modifyIORef' (_spiderTimeline_depth (unSTE spiderTimeline)) succ
1385 result <- a
1321 result <- a
1386− liftIO $ modifyIORef' (_spiderTimeline_depth $ unSTE (spiderTimeline :: SpiderTimelineEnv x)) pred
1322+ liftIO $ modifyIORef' (_spiderTimeline_depth (unSTE spiderTimeline)) pred
1387 return result
1323 return result
1388−
1389−{-# INLINE tracePropagate #-}
1390−tracePropagate :: (CanTrace x m) => proxy x -> String -> m ()
1391−tracePropagate p = when debugPropagate . trace p
1392−
1393−{-# INLINE traceInvalidate #-}
1394−traceInvalidate :: String -> IO ()
1395−traceInvalidate = when debugInvalidate . liftIO . debugStrLn
1396−
1397−{-# INLINE traceInvalidateHeight #-}
1398−traceInvalidateHeight :: String -> IO ()
1399−traceInvalidateHeight = when debugInvalidateHeight . liftIO . debugStrLn
1400−
1401−{-# INLINE trace #-}
1402−trace :: (CanTrace x m) => proxy x -> String -> m ()
1403−trace p message = traceM p $ return message
1404−
1405−{-# INLINE traceM #-}
1406−traceM :: forall x proxy m. (CanTrace x m) => proxy x -> m String -> m ()
1407−traceM _ getMessage = do
1408− message <- getMessage
1409− d <- liftIO $ readIORef $ _spiderTimeline_depth $ unSTE (spiderTimeline :: SpiderTimelineEnv x)
1410− liftIO $ debugStrLn $ replicate d ' ' <> message
1411−
1412#else
1324#else
1325+withIncreasedDepth :: m a -> m a
1326+withIncreasedDepth = id
1327+#endif
1413
1328
1414−{-# INLINE withIncreasedDepth #-}
1329+type CanTrace x m = (HasSpiderTimeline x, MonadIO m)
1415−withIncreasedDepth :: proxy x -> m a -> m a
1416−withIncreasedDepth _ = id
1417
1330
1418{-# INLINE tracePropagate #-}
1331{-# INLINE tracePropagate #-}
1419tracePropagate :: (CanTrace x m) => proxy x -> String -> m ()
1332tracePropagate :: (CanTrace x m) => proxy x -> String -> m ()
1420−tracePropagate _ _ = return ()
1333+tracePropagate p = traceWhen p debugPropagate
1421
1334
1422{-# INLINE traceInvalidate #-}
1335{-# INLINE traceInvalidate #-}
1423traceInvalidate :: String -> IO ()
1336traceInvalidate :: String -> IO ()
1424−traceInvalidate _ = return ()
1337+traceInvalidate = when debugInvalidate . liftIO . putStrLn
1425−
1426−{-# INLINE traceInvalidateHeight #-}
1427−traceInvalidateHeight :: String -> IO ()
1428−traceInvalidateHeight _ = return ()
1429−
1430−{-# INLINE debugSubscriber #-}
1431−debugSubscriber :: String -> Subscriber x a -> IO (Subscriber x a)
1432−debugSubscriber _ = return
1433−
1434−{-# INLINE debugSubscriber' #-}
1435−debugSubscriber' :: String -> Subscriber x a -> Subscriber x a
1436−debugSubscriber' _ = id
1437−
1438−
1439
1338
1440−{-# INLINE trace #-}
1339+{-# INLINE traceWhen #-}
1441−trace :: (CanTrace x m) => proxy x -> String -> m ()
1340+traceWhen :: (CanTrace x m) => proxy x -> Bool -> String -> m ()
1442−trace _ _ = return ()
1341+traceWhen p b message = traceMWhen p b $ return message
1443−
1444−{-# INLINE traceM #-}
1445−traceM :: (CanTrace x m) => proxy x -> m String -> m ()
1446−traceM _ _ = return ()
1447
1342
1343+{-# INLINE traceMWhen #-}
1344+traceMWhen :: (CanTrace x m) => proxy x -> Bool -> m String -> m ()
1345+traceMWhen _ b getMessage = when b $ do
1346+ message <- getMessage
1347+#ifdef DEBUG
1348+ spiderTimeline <- askSpiderTimelineEnv
1349+ d <- liftIO $ readIORef $ _spiderTimeline_depth $ unSTE spiderTimeline
1350+#else
1351+ let d = 0
1448#endif
1352#endif
1353+ liftIO $ putStrLn $ replicate d ' ' <> message
1449
1354
1450whoCreatedIORef :: IORef a -> IO [String]
1355whoCreatedIORef :: IORef a -> IO [String]
1451whoCreatedIORef (IORef a) = whoCreated $! a
1356whoCreatedIORef (IORef a) = whoCreated $! a
1452
1357
1358+#ifdef DEBUG_CYCLES
1453groupByHead :: Eq a => [NonEmpty a] -> [(a, NonEmpty [a])]
1359groupByHead :: Eq a => [NonEmpty a] -> [(a, NonEmpty [a])]
1454groupByHead = \case
1360groupByHead = \case
1455 [] -> []
1361 [] -> []
@@ -1460,54 +1366,20 @@ groupByHead = \case
1460 | otherwise -> (x, xs :| []) : l
1366 | otherwise -> (x, xs :| []) : l
1461
1367
1462listsToForest :: Eq a => [[a]] -> Forest a
1368listsToForest :: Eq a => [[a]] -> Forest a
1463−listsToForest lists = buildForest <$> groupByHead (mapMaybe nonEmpty lists)
1369+listsToForest l = fmap (\(a, l') -> Node a $ listsToForest $ toList l') $ groupByHead $ catMaybes $ fmap nonEmpty l
1464− where buildForest (a, lists') = Node a $ listsToForest $ toList lists'
1465−
1466−showStacks :: [[String]] -> String
1467−showStacks = drawForest . listsToForest . fmap (filterStack "Reflex.Spider.Internal")
1468−
1469−filterStack :: String -> [String] -> [String]
1470−#ifdef DEBUG_HIDE_INTERNALS
1471−filterStack prefix = filter (not . (prefix `isPrefixOf`))
1472−#else
1473−filterStack prefix = id
1474−#endif
1475−
1476−#ifdef DEBUG_CYCLES
1477−
1478−data EventLoopException = EventLoopException [[String]]
1479−instance Exception EventLoopException
1480−
1481−instance Show EventLoopException where
1482− show (EventLoopException stacks) = "causality loop detected:\n" <> if null stacks
1483− then "no location information, compile with profiling enabled for stack tree"
1484− else showStacks stacks
1485−
1486−#else
1487−
1488−data EventLoopException = EventLoopException
1489−instance Exception EventLoopException
1490−
1491−instance Show EventLoopException where
1492− show EventLoopException = "causality loop detected: \n" <>
1493− "compile reflex with flag 'debug-cycles' and compile with profiling enabled for stack tree"
1494−
1495#endif
1370#endif
1496
1371
1497−
1498{-# INLINE propagateSubscriberHold #-}
1372{-# INLINE propagateSubscriberHold #-}
1499propagateSubscriberHold :: forall x p. (HasSpiderTimeline x, Patch p) => Hold x p -> p -> EventM x ()
1373propagateSubscriberHold :: forall x p. (HasSpiderTimeline x, Patch p) => Hold x p -> p -> EventM x ()
1500propagateSubscriberHold h a = do
1374propagateSubscriberHold h a = do
1501− {-# SCC "trace" #-} when debugPropagate $ traceM (Proxy :: Proxy x) $ liftIO $ do
1375+ {-# SCC "trace" #-} traceMWhen (Proxy :: Proxy x) debugPropagate $ liftIO $ do
1502 invalidators <- liftIO $ readIORef $ holdInvalidators h
1376 invalidators <- liftIO $ readIORef $ holdInvalidators h
1503 return $ "SubscriberHold" <> showNodeId h <> ": " ++ show (length invalidators)
1377 return $ "SubscriberHold" <> showNodeId h <> ": " ++ show (length invalidators)
1504−
1505 v <- {-# SCC "read" #-} liftIO $ readIORef $ holdValue h
1378 v <- {-# SCC "read" #-} liftIO $ readIORef $ holdValue h
1506 case {-# SCC "apply" #-} apply a v of
1379 case {-# SCC "apply" #-} apply a v of
1507 Nothing -> return ()
1380 Nothing -> return ()
1508 Just v' -> do
1381 Just v' -> do
1509− {-# SCC "trace2" #-} withIncreasedDepth (Proxy :: Proxy x) $
1510− tracePropagate (Proxy :: Proxy x) ("propagateSubscriberHold: assigning Hold" <> showNodeId h)
1382+ {-# SCC "trace2" #-} withIncreasedDepth $ tracePropagate (Proxy :: Proxy x) $ "propagateSubscriberHold: assigning Hold" <> showNodeId h
1511 vRef <- {-# SCC "vRef" #-} liftIO $ evaluate $ holdValue h
1383 vRef <- {-# SCC "vRef" #-} liftIO $ evaluate $ holdValue h
1512 iRef <- {-# SCC "iRef" #-} liftIO $ evaluate $ holdInvalidators h
1384 iRef <- {-# SCC "iRef" #-} liftIO $ evaluate $ holdInvalidators h
1513 defer $ {-# SCC "assignment" #-} SomeAssignment vRef iRef v'
1385 defer $ {-# SCC "assignment" #-} SomeAssignment vRef iRef v'
@@ -1561,7 +1433,7 @@ getDynHold d = do
1561zeroRef :: IORef Height
1433zeroRef :: IORef Height
1562zeroRef = unsafePerformIO $ newIORef zeroHeight
1434zeroRef = unsafePerformIO $ newIORef zeroHeight
1563
1435
1564−getRootSubscribed :: forall k x a. (GCompare k, HasSpiderTimeline x) => k a -> Root x k -> Subscriber x a -> IO (WeakBagTicket, RootSubscribed x a, Maybe a)
1436+getRootSubscribed :: GCompare k => k a -> Root x k -> Subscriber x a -> IO (WeakBagTicket, RootSubscribed x a, Maybe a)
1565getRootSubscribed k r sub = do
1437getRootSubscribed k r sub = do
1566 mSubscribed <- readIORef $ rootSubscribed r
1438 mSubscribed <- readIORef $ rootSubscribed r
1567 let getOcc = fmap (coerce . DMap.lookup k) $ readIORef $ rootOccurrence r
1439 let getOcc = fmap (coerce . DMap.lookup k) $ readIORef $ rootOccurrence r
@@ -1575,9 +1447,7 @@ getRootSubscribed k r sub = do
1575 let !cached = rootSubscribed r
1447 let !cached = rootSubscribed r
1576 uninitRef <- newIORef $ error "getRootsubscribed: uninitRef not initialized"
1448 uninitRef <- newIORef $ error "getRootsubscribed: uninitRef not initialized"
1577 (subs, sln) <- WeakBag.singleton sub weakSelf cleanupRootSubscribed
1449 (subs, sln) <- WeakBag.singleton sub weakSelf cleanupRootSubscribed
1578−
1579− tracePropagate (Proxy::Proxy x) $ "getRootSubscribed: calling rootInit"
1450+ when debugPropagate $ putStrLn $ "getRootSubscribed: calling rootInit"
1580−
1581 uninit <- rootInit r k $ RootTrigger (subs, rootOccurrence r, k)
1451 uninit <- rootInit r k $ RootTrigger (subs, rootOccurrence r, k)
1582 writeIORef uninitRef $! uninit
1452 writeIORef uninitRef $! uninit
1583#ifdef DEBUG_NODEIDS
1453#ifdef DEBUG_NODEIDS
@@ -1627,9 +1497,6 @@ data FanInt x a = FanInt
1627 { _fanInt_subscribers :: {-# UNPACK #-} !(FastMutableIntMap (FastWeakBag (Subscriber x a))) --TODO: Clean up the keys in here when their child weak bags get empty --TODO: Remove our own subscription when the subscribers list is completely empty
1497 { _fanInt_subscribers :: {-# UNPACK #-} !(FastMutableIntMap (FastWeakBag (Subscriber x a))) --TODO: Clean up the keys in here when their child weak bags get empty --TODO: Remove our own subscription when the subscribers list is completely empty
1628 , _fanInt_subscriptionRef :: {-# UNPACK #-} !(IORef (EventSubscription x)) -- This should have a valid subscription iff subscribers is non-empty
1498 , _fanInt_subscriptionRef :: {-# UNPACK #-} !(IORef (EventSubscription x)) -- This should have a valid subscription iff subscribers is non-empty
1629 , _fanInt_occRef :: {-# UNPACK #-} !(IORef (IntMap a))
1499 , _fanInt_occRef :: {-# UNPACK #-} !(IORef (IntMap a))
1630−#ifdef DEBUG_NODEIDS
1631− , _fanInt_nodeId :: {-# UNPACK #-} !Int
1632−#endif
1633 }
1500 }
1634
1501
1635newFanInt :: IO (FanInt x a)
1502newFanInt :: IO (FanInt x a)
@@ -1637,16 +1504,10 @@ newFanInt = do
1637 subscribers <- FastMutableIntMap.newEmpty --TODO: Clean up the keys in here when their child weak bags get empty --TODO: Remove our own subscription when the subscribers list is completely empty
1504 subscribers <- FastMutableIntMap.newEmpty --TODO: Clean up the keys in here when their child weak bags get empty --TODO: Remove our own subscription when the subscribers list is completely empty
1638 subscriptionRef <- newIORef $ error "fanInt: no subscription"
1505 subscriptionRef <- newIORef $ error "fanInt: no subscription"
1639 occRef <- newIORef $ error "fanInt: no occurrence"
1506 occRef <- newIORef $ error "fanInt: no occurrence"
1640−#ifdef DEBUG_NODEIDS
1641− nodeId <- newNodeId
1642−#endif
1643 return $ FanInt
1507 return $ FanInt
1644 { _fanInt_subscribers = subscribers
1508 { _fanInt_subscribers = subscribers
1645 , _fanInt_subscriptionRef = subscriptionRef
1509 , _fanInt_subscriptionRef = subscriptionRef
1646 , _fanInt_occRef = occRef
1510 , _fanInt_occRef = occRef
1647−#ifdef DEBUG_NODEIDS
1648− , _fanInt_nodeId = nodeId
1649−#endif
1650 }
1511 }
1651
1512
1652fanInt :: HasSpiderTimeline x => Event x (IntMap a) -> EventSelectorInt x a
1513fanInt :: HasSpiderTimeline x => Event x (IntMap a) -> EventSelectorInt x a
@@ -1655,21 +1516,20 @@ fanInt p = unsafePerformIO $ do
1655 pure $ EventSelectorInt $ \k -> Event $ \sub -> do
1516 pure $ EventSelectorInt $ \k -> Event $ \sub -> do
1656 isEmpty <- liftIO $ FastMutableIntMap.isEmpty (_fanInt_subscribers self)
1517 isEmpty <- liftIO $ FastMutableIntMap.isEmpty (_fanInt_subscribers self)
1657 when isEmpty $ do -- This is the first subscriber, so we need to subscribe to our input
1518 when isEmpty $ do -- This is the first subscriber, so we need to subscribe to our input
1658− let desc = "fanInt" <> showNodeId self <> ", k = " <> show k
1659− (subscription, parentOcc) <- subscribeAndRead p $ debugSubscriber' desc $ Subscriber
1519+ (subscription, parentOcc) <- subscribeAndRead p $ Subscriber
1660 { subscriberPropagate = \m -> do
1520 { subscriberPropagate = \m -> do
1661 liftIO $ writeIORef (_fanInt_occRef self) m
1521 liftIO $ writeIORef (_fanInt_occRef self) m
1662 scheduleIntClear $ _fanInt_occRef self
1522 scheduleIntClear $ _fanInt_occRef self
1663− FastMutableIntMap.forIntersectionWithImmutable_ (_fanInt_subscribers self) m $ \b v -> --TODO: Do we need to know that no subscribers are being added as we traverse?
1523+ FastMutableIntMap.forIntersectionWithImmutable_ (_fanInt_subscribers self) m $ \b v -> do --TODO: Do we need to know that no subscribers are being added as we traverse?
1664− FastWeakBag.traverse_ b $ \s ->
1524+ FastWeakBag.traverse b $ \s -> do
1665 subscriberPropagate s v
1525 subscriberPropagate s v
1666− , subscriberInvalidateHeight = \old ->
1526+ , subscriberInvalidateHeight = \old -> do
1667− FastMutableIntMap.for_ (_fanInt_subscribers self) $ \b ->
1527+ FastMutableIntMap.for_ (_fanInt_subscribers self) $ \b -> do
1668− FastWeakBag.traverse_ b $ \s ->
1528+ FastWeakBag.traverse b $ \s -> do
1669 subscriberInvalidateHeight s old
1529 subscriberInvalidateHeight s old
1670− , subscriberRecalculateHeight = \new ->
1530+ , subscriberRecalculateHeight = \new -> do
1671− FastMutableIntMap.for_ (_fanInt_subscribers self) $ \b ->
1531+ FastMutableIntMap.for_ (_fanInt_subscribers self) $ \b -> do
1672− FastWeakBag.traverse_ b $ \s ->
1532+ FastWeakBag.traverse b $ \s -> do
1673 subscriberRecalculateHeight s new
1533 subscriberRecalculateHeight s new
1674 }
1534 }
1675 liftIO $ do
1535 liftIO $ do
@@ -1683,25 +1543,10 @@ fanInt p = unsafePerformIO $ do
1683 FastMutableIntMap.insert (_fanInt_subscribers self) k b
1543 FastMutableIntMap.insert (_fanInt_subscribers self) k b
1684 return b
1544 return b
1685 Just b -> return b
1545 Just b -> return b
1686− ticket <- liftIO $ FastWeakBag.insert sub b
1546+ t <- liftIO $ FastWeakBag.insert sub b
1687 currentOcc <- readIORef (_fanInt_occRef self)
1547 currentOcc <- readIORef (_fanInt_occRef self)
1688−
1548+ (EventSubscription _ (EventSubscribed !heightRef _)) <- readIORef (_fanInt_subscriptionRef self)
1689− subscribed <- fanIntSubscribed ticket self
1690− return (EventSubscription (FastWeakBag.remove ticket) subscribed, IntMap.lookup k currentOcc)
1549+ return (EventSubscription (FastWeakBag.remove t) $! EventSubscribed heightRef $! toAny (_fanInt_subscriptionRef self, t), IntMap.lookup k currentOcc)
1691−
1692−fanIntSubscribed :: FastWeakBagTicket k -> FanInt x a -> IO (EventSubscribed x)
1693−fanIntSubscribed ticket self = do
1694− subscribedParent <- _eventSubscription_subscribed <$> readIORef (_fanInt_subscriptionRef self)
1695− return $ EventSubscribed
1696− { eventSubscribedHeightRef = eventSubscribedHeightRef subscribedParent
1697− , eventSubscribedRetained = toAny (_fanInt_subscriptionRef self, ticket)
1698−#ifdef DEBUG_CYCLES
1699− , eventSubscribedGetParents = return [subscribedParent]
1700− , eventSubscribedHasOwnHeightRef = False
1701− , eventSubscribedWhoCreated = whoCreatedIORef $ _fanInt_subscriptionRef self
1702−#endif
1703− }
1704−
1705
1550
1706{-# INLINABLE getFanSubscribed #-}
1551{-# INLINABLE getFanSubscribed #-}
1707getFanSubscribed :: (HasSpiderTimeline x, GCompare k) => k a -> Fan x k v -> Subscriber x (v a) -> EventM x (WeakBagTicket, FanSubscribed x k v, Maybe (v a))
1552getFanSubscribed :: (HasSpiderTimeline x, GCompare k) => k a -> Fan x k v -> Subscriber x (v a) -> EventM x (WeakBagTicket, FanSubscribed x k v, Maybe (v a))
@@ -1899,7 +1744,7 @@ mergeCheap
1899 => (forall a. q a -> Event x (v a))
1744 => (forall a. q a -> Event x (v a))
1900 -> DynamicS x (PatchDMap k q)
1745 -> DynamicS x (PatchDMap k q)
1901 -> Event x (DMap k v)
1746 -> Event x (DMap k v)
1902−mergeCheap nt = mergeGCheap' unMergeSubscribedParent getInitialSubscribers updateMe destroy
1747+mergeCheap nt = mergeGCheap' getInitialSubscribers updateMe destroy
1903 where
1748 where
1904 updateMe :: MergeUpdateFunc k v x (PatchDMap k q) (MergeSubscribedParent x)
1749 updateMe :: MergeUpdateFunc k v x (PatchDMap k q) (MergeSubscribedParent x)
1905 updateMe subscriber heightBagRef oldParents (PatchDMap p) = do
1750 updateMe subscriber heightBagRef oldParents (PatchDMap p) = do
@@ -1914,9 +1759,7 @@ mergeCheap nt = mergeGCheap' unMergeSubscribedParent getInitialSubscribers updat
1914 liftIO $ modifyIORef' heightBagRef $ heightBagAdd newParentHeight
1759 liftIO $ modifyIORef' heightBagRef $ heightBagAdd newParentHeight
1915 return $ DMap.insertLookupWithKey' (\_ new _ -> new) k newParent ps
1760 return $ DMap.insertLookupWithKey' (\_ new _ -> new) k newParent ps
1916 forM_ mOldSubd $ \oldSubd -> do
1761 forM_ mOldSubd $ \oldSubd -> do
1917− oldHeight <- liftIO $ getEventSubscribedHeight $
1918− _eventSubscription_subscribed $ unMergeSubscribedParent oldSubd
1762+ oldHeight <- liftIO $ getEventSubscribedHeight $ _eventSubscription_subscribed $ unMergeSubscribedParent oldSubd
1919−
1920 liftIO $ modifyIORef heightBagRef $ heightBagRemove oldHeight
1763 liftIO $ modifyIORef heightBagRef $ heightBagRemove oldHeight
1921 return (maybeToList (unMergeSubscribedParent <$> mOldSubd) ++ subscriptionsToKill, newPs)
1764 return (maybeToList (unMergeSubscribedParent <$> mOldSubd) ++ subscriptionsToKill, newPs)
1922 foldM f ([], oldParents) $ DMap.toList p
1765 foldM f ([], oldParents) $ DMap.toList p
@@ -1941,7 +1784,7 @@ mergeCheapWithMove :: forall k x v q. (HasSpiderTimeline x, GCompare k)
1941 => (forall a. q a -> Event x (v a))
1784 => (forall a. q a -> Event x (v a))
1942 -> DynamicS x (PatchDMapWithMove k q)
1785 -> DynamicS x (PatchDMapWithMove k q)
1943 -> Event x (DMap k v)
1786 -> Event x (DMap k v)
1944−mergeCheapWithMove nt = mergeGCheap' _mergeSubscribedParentWithMove_subscription getInitialSubscribers updateMe destroy
1787+mergeCheapWithMove nt = mergeGCheap' getInitialSubscribers updateMe destroy
1945 where
1788 where
1946 updateMe :: MergeUpdateFunc k v x (PatchDMapWithMove k q) (MergeSubscribedParentWithMove x k)
1789 updateMe :: MergeUpdateFunc k v x (PatchDMapWithMove k q) (MergeSubscribedParentWithMove x k)
1947 updateMe subscriber heightBagRef oldParents p = do
1790 updateMe subscriber heightBagRef oldParents p = do
@@ -1960,17 +1803,13 @@ mergeCheapWithMove nt = mergeGCheap' _mergeSubscribedParentWithMove_subscription
1960 let moveOrDelete :: forall a. k a -> PatchDMapWithMove.NodeInfo k q a -> MergeSubscribedParentWithMove x k a -> Constant (EventM x (Maybe (EventSubscription x))) a
1803 let moveOrDelete :: forall a. k a -> PatchDMapWithMove.NodeInfo k q a -> MergeSubscribedParentWithMove x k a -> Constant (EventM x (Maybe (EventSubscription x))) a
1961 moveOrDelete _ ni parent = Constant $ case getComposeMaybe $ PatchDMapWithMove._nodeInfo_to ni of
1804 moveOrDelete _ ni parent = Constant $ case getComposeMaybe $ PatchDMapWithMove._nodeInfo_to ni of
1962 Nothing -> do
1805 Nothing -> do
1963− oldHeight <- liftIO $ getEventSubscribedHeight $ _eventSubscription_subscribed $
1806+ oldHeight <- liftIO $ getEventSubscribedHeight $ _eventSubscription_subscribed $ _mergeSubscribedParentWithMove_subscription parent
1964− _mergeSubscribedParentWithMove_subscription parent
1965−
1966 liftIO $ modifyIORef heightBagRef $ heightBagRemove oldHeight
1807 liftIO $ modifyIORef heightBagRef $ heightBagRemove oldHeight
1967 return $ Just $ _mergeSubscribedParentWithMove_subscription parent
1808 return $ Just $ _mergeSubscribedParentWithMove_subscription parent
1968 Just toKey -> do
1809 Just toKey -> do
1969 liftIO $ writeIORef (_mergeSubscribedParentWithMove_key parent) $! toKey
1810 liftIO $ writeIORef (_mergeSubscribedParentWithMove_key parent) $! toKey
1970 return Nothing
1811 return Nothing
1971− toDelete <- fmap catMaybes $ mapM (\(_ :=> v) -> getConstant v) $ DMap.toList $
1972− DMap.intersectionWithKey moveOrDelete (unPatchDMapWithMove p) oldParents
1812+ toDelete <- fmap catMaybes $ mapM (\(_ :=> v) -> getConstant v) $ DMap.toList $ DMap.intersectionWithKey moveOrDelete (unPatchDMapWithMove p) oldParents
1973−
1974 return (toDelete, applyAlways p' oldParents)
1813 return (toDelete, applyAlways p' oldParents)
1975 getInitialSubscribers :: MergeInitFunc k v q x (MergeSubscribedParentWithMove x k)
1814 getInitialSubscribers :: MergeInitFunc k v q x (MergeSubscribedParentWithMove x k)
1976 getInitialSubscribers initialParents subscriber = do
1815 getInitialSubscribers initialParents subscriber = do
@@ -1995,8 +1834,6 @@ type MergeUpdateFunc k v x p s
1995 -> p
1834 -> p
1996 -> EventM x ([EventSubscription x], DMap k s)
1835 -> EventM x ([EventSubscription x], DMap k s)
1997
1836
1998−type MergeGetSubscription x s = forall a. s a -> EventSubscription x
1999−
2000type MergeInitFunc k v q x s
1837type MergeInitFunc k v q x s
2001 = DMap k q
1838 = DMap k q
2002 -> (forall a. EventM x (k a) -> Subscriber x (v a))
1839 -> (forall a. EventM x (k a) -> Subscriber x (v a))
@@ -2020,17 +1857,14 @@ invalidateMergeHeight m = invalidateMergeHeight' (_merge_heightRef m) (_merge_su
2020invalidateMergeHeight' :: IORef Height -> Subscriber x a -> IO ()
1857invalidateMergeHeight' :: IORef Height -> Subscriber x a -> IO ()
2021invalidateMergeHeight' heightRef sub = do
1858invalidateMergeHeight' heightRef sub = do
2022 oldHeight <- readIORef heightRef
1859 oldHeight <- readIORef heightRef
2023− -- If the height used to be valid, it must be invalid now; we should never have *more* heights than we have parents
1860+ when (oldHeight /= invalidHeight) $ do -- If the height used to be valid, it must be invalid now; we should never have *more* heights than we have parents
2024− when (oldHeight /= invalidHeight) $ do
2025 writeIORef heightRef $! invalidHeight
1861 writeIORef heightRef $! invalidHeight
2026 subscriberInvalidateHeight sub oldHeight
1862 subscriberInvalidateHeight sub oldHeight
2027
1863
2028revalidateMergeHeight :: Merge x k v s -> IO ()
1864revalidateMergeHeight :: Merge x k v s -> IO ()
2029revalidateMergeHeight m = do
1865revalidateMergeHeight m = do
2030 currentHeight <- readIORef $ _merge_heightRef m
1866 currentHeight <- readIORef $ _merge_heightRef m
2031−
2032− -- revalidateMergeHeight may be called multiple times; perhaps the's a way to finesse it to avoid this check
1867+ when (currentHeight == invalidHeight) $ do -- revalidateMergeHeight may be called multiple times; perhaps the's a way to finesse it to avoid this check
2033− when (currentHeight == invalidHeight) $ do
2034 heights <- readIORef $ _merge_heightBagRef m
1868 heights <- readIORef $ _merge_heightBagRef m
2035 parents <- readIORef $ _merge_parentsRef m
1869 parents <- readIORef $ _merge_parentsRef m
2036 -- When the number of heights in the bag reaches the number of parents, we should have a valid height
1870 -- When the number of heights in the bag reaches the number of parents, we should have a valid height
@@ -2038,7 +1872,7 @@ revalidateMergeHeight m = do
2038 LT -> return ()
1872 LT -> return ()
2039 EQ -> do
1873 EQ -> do
2040 let height = succHeight $ heightBagMax heights
1874 let height = succHeight $ heightBagMax heights
2041− traceInvalidateHeight $ "recalculateSubscriberHeight: height: " <> show height
1875+ when debugInvalidateHeight $ putStrLn $ "recalculateSubscriberHeight: height: " <> show height
2042 writeIORef (_merge_heightRef m) $! height
1876 writeIORef (_merge_heightRef m) $! height
2043 subscriberRecalculateHeight (_merge_sub m) height
1877 subscriberRecalculateHeight (_merge_sub m) height
2044 GT -> error $ "revalidateMergeHeight: more heights (" <> show (heightBagSize heights) <> ") than parents (" <> show (DMap.size parents) <> ") for Merge"
1878 GT -> error $ "revalidateMergeHeight: more heights (" <> show (heightBagSize heights) <> ") than parents (" <> show (DMap.size parents) <> ") for Merge"
@@ -2046,45 +1880,36 @@ revalidateMergeHeight m = do
2046scheduleMergeSelf :: HasSpiderTimeline x => Merge x k v s -> Height -> EventM x ()
1880scheduleMergeSelf :: HasSpiderTimeline x => Merge x k v s -> Height -> EventM x ()
2047scheduleMergeSelf m height = scheduleMerge' height (_merge_heightRef m) $ do
1881scheduleMergeSelf m height = scheduleMerge' height (_merge_heightRef m) $ do
2048 vals <- liftIO $ readIORef $ _merge_accumRef m
1882 vals <- liftIO $ readIORef $ _merge_accumRef m
2049− -- Once we're done with this, we can clear it immediately, because if there's a cacheEvent in front of us,
1883+ liftIO $ writeIORef (_merge_accumRef m) $! DMap.empty -- Once we're done with this, we can clear it immediately, because if there's a cacheEvent in front of us, it'll handle subsequent subscribers, and if not, we won't get subsequent subscribers
2050− -- it'll handle subsequent subscribers, and if not, we won't get subsequent subscribers
2051− liftIO $ writeIORef (_merge_accumRef m) $! DMap.empty
2052 --TODO: Assert that m is not empty
1884 --TODO: Assert that m is not empty
2053 subscriberPropagate (_merge_sub m) vals
1885 subscriberPropagate (_merge_sub m) vals
2054
1886
2055−checkCycle :: HasSpiderTimeline x => EventSubscribed x -> EventM x ()
2056−checkCycle subscribed = liftIO $ do
2057− height <- readIORef (eventSubscribedHeightRef subscribed)
2058−
2059− -- currentHeight <- getCurrentHeight
2060− -- when (height <= currentHeight) $ if height /= invalidHeight
2061− -- then do
2062− -- myStack <- liftIO $ whoCreatedIORef undefined --TODO
2063− -- error $ "Height (" ++ show height ++ ") is not greater than current height (" ++ show currentHeight ++ ")\n" ++ unlines (reverse myStack)
2064− -- else liftIO $
2065− when (height == invalidHeight) $
2066−#ifdef DEBUG_CYCLES
2067− do
2068− nodesInvolvedInCycle <- walkInvalidHeightParents subscribed
2069− stacks <- forM nodesInvolvedInCycle whoCreatedEventSubscribed
2070− throwIO (EventLoopException stacks)
2071−#else
2072− throwIO EventLoopException
2073−#endif
2074−
2075−
2076−mergeSubscriber :: forall x k v s a. (HasSpiderTimeline x, GCompare k) => EventSubscribed x -> Merge x k v s -> EventM x (k a) -> Subscriber x (v a)
1887+mergeSubscriber :: forall x k v s a. (HasSpiderTimeline x, GCompare k) => Merge x k v s -> EventM x (k a) -> Subscriber x (v a)
2077−mergeSubscriber subscribed m getKey = Subscriber
1888+mergeSubscriber m getKey = Subscriber
2078 { subscriberPropagate = \a -> do
1889 { subscriberPropagate = \a -> do
2079 oldM <- liftIO $ readIORef $ _merge_accumRef m
1890 oldM <- liftIO $ readIORef $ _merge_accumRef m
2080 k <- getKey
1891 k <- getKey
2081− let newM = DMap.insertWith (error "Same key fired multiple times for Merge") k a oldM
1892+ let newM = DMap.insertWith (error $ "Same key fired multiple times for Merge") k a oldM
2082 tracePropagate (Proxy :: Proxy x) $ " DMap.size oldM = " <> show (DMap.size oldM) <> "; DMap.size newM = " <> show (DMap.size newM)
1893 tracePropagate (Proxy :: Proxy x) $ " DMap.size oldM = " <> show (DMap.size oldM) <> "; DMap.size newM = " <> show (DMap.size newM)
2083 liftIO $ writeIORef (_merge_accumRef m) $! newM
1894 liftIO $ writeIORef (_merge_accumRef m) $! newM
2084 when (DMap.null oldM) $ do -- Only schedule the firing once
1895 when (DMap.null oldM) $ do -- Only schedule the firing once
2085 height <- liftIO $ readIORef $ _merge_heightRef m
1896 height <- liftIO $ readIORef $ _merge_heightRef m
2086− checkCycle subscribed
1897+ --TODO: assertions about height
2087−
1898+ currentHeight <- getCurrentHeight
1899+ when (height <= currentHeight) $ do
1900+ if height /= invalidHeight
1901+ then do
1902+ myStack <- liftIO $ whoCreatedIORef undefined --TODO
1903+ error $ "Height (" ++ show height ++ ") is not greater than current height (" ++ show currentHeight ++ ")\n" ++ unlines (reverse myStack)
1904+ else liftIO $ do
1905+#ifdef DEBUG_CYCLES
1906+ nodesInvolvedInCycle <- walkInvalidHeightParents $ eventSubscribedMerge subscribed
1907+ stacks <- forM nodesInvolvedInCycle $ \(Some es) -> whoCreatedEventSubscribed es
1908+ let cycleInfo = ":\n" <> drawForest (listsToForest stacks)
1909+#else
1910+ let cycleInfo = ""
1911+#endif
1912+ error $ "Causality loop found" <> cycleInfo
2088 scheduleMergeSelf m height
1913 scheduleMergeSelf m height
2089 , subscriberInvalidateHeight = \old -> do --TODO: When removing a parent doesn't actually change the height, maybe we can avoid invalidating
1914 , subscriberInvalidateHeight = \old -> do --TODO: When removing a parent doesn't actually change the height, maybe we can avoid invalidating
2090 modifyIORef' (_merge_heightBagRef m) $ heightBagRemove old
1915 modifyIORef' (_merge_heightBagRef m) $ heightBagRemove old
@@ -2095,45 +1920,31 @@ mergeSubscriber subscribed m getKey = Subscriber
2095 }
1920 }
2096
1921
2097--TODO: Be able to run as much of this as possible promptly
1922--TODO: Be able to run as much of this as possible promptly
2098−updateMerge :: (HasSpiderTimeline x, GCompare k) => EventSubscribed x -> Merge x k v s -> MergeUpdateFunc k v x p s -> p -> SomeMergeUpdate x
1923+updateMerge :: (HasSpiderTimeline x, GCompare k) => Merge x k v s -> MergeUpdateFunc k v x p s -> p -> SomeMergeUpdate x
2099−updateMerge subscribed m updateFunc p = SomeMergeUpdate updateMe (invalidateMergeHeight m) (revalidateMergeHeight m)
1924+updateMerge m updateFunc p = SomeMergeUpdate updateMe (invalidateMergeHeight m) (revalidateMergeHeight m)
2100 where updateMe = do
1925 where updateMe = do
2101 oldParents <- liftIO $ readIORef $ _merge_parentsRef m
1926 oldParents <- liftIO $ readIORef $ _merge_parentsRef m
2102− (subscriptionsToKill, newParents) <- updateFunc (mergeSubscriber subscribed m) (_merge_heightBagRef m) oldParents p
1927+ (subscriptionsToKill, newParents) <- updateFunc (mergeSubscriber m) (_merge_heightBagRef m) oldParents p
2103 liftIO $ writeIORef (_merge_parentsRef m) $! newParents
1928 liftIO $ writeIORef (_merge_parentsRef m) $! newParents
2104 return subscriptionsToKill
1929 return subscriptionsToKill
2105
1930
2106{-# INLINE mergeGCheap' #-}
1931{-# INLINE mergeGCheap' #-}
2107mergeGCheap' :: forall k v x p s q. (HasSpiderTimeline x, GCompare k, PatchTarget p ~ DMap k q)
1932mergeGCheap' :: forall k v x p s q. (HasSpiderTimeline x, GCompare k, PatchTarget p ~ DMap k q)
2108− => MergeGetSubscription x s -> MergeInitFunc k v q x s -> MergeUpdateFunc k v x p s -> MergeDestroyFunc k s -> DynamicS x p -> Event x (DMap k v)
1933+ => MergeInitFunc k v q x s -> MergeUpdateFunc k v x p s -> MergeDestroyFunc k s -> DynamicS x p -> Event x (DMap k v)
2109−mergeGCheap' getParent getInitialSubscribers updateFunc destroy d = Event $ \sub -> do
1934+mergeGCheap' getInitialSubscribers updateFunc destroy d = Event $ \sub -> do
2110 initialParents <- readBehaviorUntracked $ dynamicCurrent d
1935 initialParents <- readBehaviorUntracked $ dynamicCurrent d
2111 accumRef <- liftIO $ newIORef $ error "merge: accumRef not yet initialized"
1936 accumRef <- liftIO $ newIORef $ error "merge: accumRef not yet initialized"
2112 heightRef <- liftIO $ newIORef $ error "merge: heightRef not yet initialized"
1937 heightRef <- liftIO $ newIORef $ error "merge: heightRef not yet initialized"
2113 heightBagRef <- liftIO $ newIORef $ error "merge: heightBagRef not yet initialized"
1938 heightBagRef <- liftIO $ newIORef $ error "merge: heightBagRef not yet initialized"
2114 parentsRef :: IORef (DMap k s) <- liftIO $ newIORef $ error "merge: parentsRef not yet initialized"
1939 parentsRef :: IORef (DMap k s) <- liftIO $ newIORef $ error "merge: parentsRef not yet initialized"
2115− changeSubdRef <- liftIO $ newIORef $ error "getMergeSubscribed: changeSubdRef not yet initialized"
2116−
2117− let subscribed = EventSubscribed
2118− { eventSubscribedHeightRef = heightRef
2119− , eventSubscribedRetained = toAny (parentsRef, changeSubdRef)
2120−#ifdef DEBUG_CYCLES
2121− , eventSubscribedGetParents = do
2122− let getParent' (_ :=> v) = _eventSubscription_subscribed (getParent v)
2123− fmap getParent' . DMap.toList <$> readIORef parentsRef
2124− , eventSubscribedHasOwnHeightRef = False
2125− , eventSubscribedWhoCreated = whoCreatedIORef heightRef
2126−#endif
2127− }
2128−
2129− m = Merge
1940+ let m = Merge
2130 { _merge_parentsRef = parentsRef
1941 { _merge_parentsRef = parentsRef
2131 , _merge_heightBagRef = heightBagRef
1942 , _merge_heightBagRef = heightBagRef
2132 , _merge_heightRef = heightRef
1943 , _merge_heightRef = heightRef
2133 , _merge_sub = sub
1944 , _merge_sub = sub
2134 , _merge_accumRef = accumRef
1945 , _merge_accumRef = accumRef
2135 }
1946 }
2136− (dm, heights, initialParentState) <- getInitialSubscribers initialParents $ mergeSubscriber subscribed m
1947+ (dm, heights, initialParentState) <- getInitialSubscribers initialParents $ mergeSubscriber m
2137 let myHeightBag = heightBagFromList $ filter (/= invalidHeight) heights
1948 let myHeightBag = heightBagFromList $ filter (/= invalidHeight) heights
2138 myHeight = if invalidHeight `elem` heights
1949 myHeight = if invalidHeight `elem` heights
2139 then invalidHeight
1950 then invalidHeight
@@ -2142,29 +1953,31 @@ mergeGCheap' getParent getInitialSubscribers updateFunc destroy d = Event $ \sub
2142 let (occ, accum) = if currentHeight >= myHeight -- If we should have fired by now
1953 let (occ, accum) = if currentHeight >= myHeight -- If we should have fired by now
2143 then (if DMap.null dm then Nothing else Just dm, DMap.empty)
1954 then (if DMap.null dm then Nothing else Just dm, DMap.empty)
2144 else (Nothing, dm)
1955 else (Nothing, dm)
1956+ unless (DMap.null accum) $ do
2145− unless (DMap.null accum) $ scheduleMergeSelf m myHeight
1957+ scheduleMergeSelf m myHeight
2146 liftIO $ writeIORef accumRef $! accum
1958 liftIO $ writeIORef accumRef $! accum
2147 liftIO $ writeIORef heightRef $! myHeight
1959 liftIO $ writeIORef heightRef $! myHeight
2148 liftIO $ writeIORef heightBagRef $! myHeightBag
1960 liftIO $ writeIORef heightBagRef $! myHeightBag
1961+ changeSubdRef <- liftIO $ newIORef $ error "getMergeSubscribed: changeSubdRef not yet initialized"
2149 liftIO $ writeIORef parentsRef $! initialParentState
1962 liftIO $ writeIORef parentsRef $! initialParentState
2150 defer $ SomeMergeInit $ do
1963 defer $ SomeMergeInit $ do
2151− let changeSubscriber = Subscriber
1964+ let s = Subscriber
2152 { subscriberPropagate = \a -> {-# SCC "traverseMergeChange" #-} do
1965 { subscriberPropagate = \a -> {-# SCC "traverseMergeChange" #-} do
2153− tracePropagate (Proxy :: Proxy x) "SubscriberMerge/Change"
1966+ tracePropagate (Proxy :: Proxy x) $ "SubscriberMerge/Change"
2154− defer $ updateMerge subscribed m updateFunc a
1967+ defer $ updateMerge m updateFunc a
2155 , subscriberInvalidateHeight = \_ -> return ()
1968 , subscriberInvalidateHeight = \_ -> return ()
2156 , subscriberRecalculateHeight = \_ -> return ()
1969 , subscriberRecalculateHeight = \_ -> return ()
2157 }
1970 }
2158− (changeSubscription, change) <- subscribeAndRead (dynamicUpdated d) changeSubscriber
1971+ (changeSubscription, change) <- subscribeAndRead (dynamicUpdated d) s
2159− forM_ change $ \c -> defer $ updateMerge subscribed m updateFunc c
1972+ forM_ change $ \c -> defer $ updateMerge m updateFunc c
2160 -- We explicitly hold on to the unsubscribe function from subscribing to the update event.
1973 -- We explicitly hold on to the unsubscribe function from subscribing to the update event.
2161 -- If we don't do this, there are certain cases where mergeCheap will fail to properly retain
1974 -- If we don't do this, there are certain cases where mergeCheap will fail to properly retain
2162 -- its subscription.
1975 -- its subscription.
2163− liftIO $ writeIORef changeSubdRef (changeSubscriber, changeSubscription)
1976+ liftIO $ writeIORef changeSubdRef (s, changeSubscription)
2164 let unsubscribeAll = destroy =<< readIORef parentsRef
1977 let unsubscribeAll = destroy =<< readIORef parentsRef
2165−
2166− return (EventSubscription unsubscribeAll subscribed, occ)
1978+ return ( EventSubscription unsubscribeAll $ EventSubscribed heightRef $ toAny (parentsRef, changeSubdRef)
2167−
1979+ , occ
1980+ )
2168
1981
2169mergeInt :: forall x a. (HasSpiderTimeline x) => DynamicS x (PatchIntMap (Event x a)) -> Event x (IntMap a)
1982mergeInt :: forall x a. (HasSpiderTimeline x) => DynamicS x (PatchIntMap (Event x a)) -> Event x (IntMap a)
2170mergeInt = cacheEvent . mergeIntCheap
1983mergeInt = cacheEvent . mergeIntCheap
@@ -2177,22 +1990,13 @@ mergeIntCheap d = Event $ \sub -> do
2177 heightRef <- liftIO $ newIORef zeroHeight
1990 heightRef <- liftIO $ newIORef zeroHeight
2178 heightBagRef <- liftIO $ newIORef heightBagEmpty
1991 heightBagRef <- liftIO $ newIORef heightBagEmpty
2179 parents <- liftIO $ FastMutableIntMap.newEmpty
1992 parents <- liftIO $ FastMutableIntMap.newEmpty
2180− changeSubdRef <- liftIO $ newIORef $ error "getMergeSubscribed: changeSubdRef not yet initialized"
2181− let subscribed = EventSubscribed
2182− { eventSubscribedHeightRef = heightRef
2183− , eventSubscribedRetained = toAny (parents, changeSubdRef)
2184−#ifdef DEBUG_CYCLES
2185− , eventSubscribedGetParents = fmap (_eventSubscription_subscribed . snd) <$> FastMutableIntMap.toList parents
2186− , eventSubscribedHasOwnHeightRef = False
2187− , eventSubscribedWhoCreated = whoCreatedIORef heightRef
2188−#endif
2189− }
2190 let scheduleSelf = do
1993 let scheduleSelf = do
2191 height <- liftIO $ readIORef $ heightRef
1994 height <- liftIO $ readIORef $ heightRef
2192 scheduleMerge' height heightRef $ do
1995 scheduleMerge' height heightRef $ do
2193 vals <- liftIO $ FastMutableIntMap.getFrozenAndClear accum
1996 vals <- liftIO $ FastMutableIntMap.getFrozenAndClear accum
2194 subscriberPropagate sub vals
1997 subscriberPropagate sub vals
1998+ invalidateMyHeight = do
2195− invalidateMyHeight = invalidateMergeHeight' heightRef sub
1999+ invalidateMergeHeight' heightRef sub
2196 recalculateMyHeight = do
2000 recalculateMyHeight = do
2197 currentHeight <- readIORef heightRef
2001 currentHeight <- readIORef heightRef
2198 when (currentHeight == invalidHeight) $ do --TODO: This will almost always be true; can we get rid of this check and just proceed to the next one always?
2002 when (currentHeight == invalidHeight) $ do --TODO: This will almost always be true; can we get rid of this check and just proceed to the next one always?
@@ -2202,14 +2006,12 @@ mergeIntCheap d = Event $ \sub -> do
2202 LT -> return ()
2006 LT -> return ()
2203 EQ -> do
2007 EQ -> do
2204 let height = succHeight $ heightBagMax heights
2008 let height = succHeight $ heightBagMax heights
2205− traceInvalidateHeight $ "recalculateSubscriberHeight: height: " <> show height
2009+ when debugInvalidateHeight $ putStrLn $ "recalculateSubscriberHeight: height: " <> show height
2206 writeIORef heightRef $! height
2010 writeIORef heightRef $! height
2207 subscriberRecalculateHeight sub height
2011 subscriberRecalculateHeight sub height
2208 GT -> error $ "revalidateMergeHeight: more heights (" <> show (heightBagSize heights) <> ") than parents (" <> show numParents <> ") for Merge"
2012 GT -> error $ "revalidateMergeHeight: more heights (" <> show (heightBagSize heights) <> ") than parents (" <> show numParents <> ") for Merge"
2209 mySubscriber k = Subscriber
2013 mySubscriber k = Subscriber
2210 { subscriberPropagate = \a -> do
2014 { subscriberPropagate = \a -> do
2211− checkCycle subscribed
2212−
2213 wasEmpty <- liftIO $ FastMutableIntMap.isEmpty accum
2015 wasEmpty <- liftIO $ FastMutableIntMap.isEmpty accum
2214 liftIO $ FastMutableIntMap.insert accum k a
2016 liftIO $ FastMutableIntMap.insert accum k a
2215 when wasEmpty scheduleSelf
2017 when wasEmpty scheduleSelf
@@ -2243,6 +2045,7 @@ mergeIntCheap d = Event $ \sub -> do
2243 else liftIO $ Just <$> FastMutableIntMap.getFrozenAndClear accum
2045 else liftIO $ Just <$> FastMutableIntMap.getFrozenAndClear accum
2244 else do when (not isEmpty) scheduleSelf -- We have things accumulated, but we shouldn't have fired them yet
2046 else do when (not isEmpty) scheduleSelf -- We have things accumulated, but we shouldn't have fired them yet
2245 return Nothing
2047 return Nothing
2048+ changeSubdRef <- liftIO $ newIORef $ error "getMergeSubscribed: changeSubdRef not yet initialized"
2246 defer $ SomeMergeInit $ do
2049 defer $ SomeMergeInit $ do
2247 let updateMe a = SomeMergeUpdate u invalidateMyHeight recalculateMyHeight
2050 let updateMe a = SomeMergeUpdate u invalidateMyHeight recalculateMyHeight
2248 where
2051 where
@@ -2256,27 +2059,25 @@ mergeIntCheap d = Event $ \sub -> do
2256 oldParents <- liftIO $ FastMutableIntMap.applyPatch parents newSubscriptions
2059 oldParents <- liftIO $ FastMutableIntMap.applyPatch parents newSubscriptions
2257 liftIO $ for_ oldParents $ \oldParent -> do
2060 liftIO $ for_ oldParents $ \oldParent -> do
2258 oldParentHeight <- getEventSubscribedHeight $ _eventSubscription_subscribed oldParent
2061 oldParentHeight <- getEventSubscribedHeight $ _eventSubscription_subscribed oldParent
2259−
2260− print ("updateMe", oldParentHeight)
2261 modifyIORef' heightBagRef $ heightBagRemove oldParentHeight
2062 modifyIORef' heightBagRef $ heightBagRemove oldParentHeight
2262 return $ IntMap.elems oldParents
2063 return $ IntMap.elems oldParents
2263− let changeSubscriber = Subscriber
2064+ let s = Subscriber
2264 { subscriberPropagate = \a -> {-# SCC "traverseMergeChange" #-} do
2065 { subscriberPropagate = \a -> {-# SCC "traverseMergeChange" #-} do
2265 tracePropagate (Proxy :: Proxy x) $ "SubscriberMergeInt/Change"
2066 tracePropagate (Proxy :: Proxy x) $ "SubscriberMergeInt/Change"
2266 defer $ updateMe a
2067 defer $ updateMe a
2267 , subscriberInvalidateHeight = \_ -> return ()
2068 , subscriberInvalidateHeight = \_ -> return ()
2268 , subscriberRecalculateHeight = \_ -> return ()
2069 , subscriberRecalculateHeight = \_ -> return ()
2269 }
2070 }
2270− (changeSubscription, change) <- subscribeAndRead (dynamicUpdated d) changeSubscriber
2071+ (changeSubscription, change) <- subscribeAndRead (dynamicUpdated d) s
2271 forM_ change $ \c -> defer $ updateMe c
2072 forM_ change $ \c -> defer $ updateMe c
2272 -- We explicitly hold on to the unsubscribe function from subscribing to the update event.
2073 -- We explicitly hold on to the unsubscribe function from subscribing to the update event.
2273 -- If we don't do this, there are certain cases where mergeCheap will fail to properly retain
2074 -- If we don't do this, there are certain cases where mergeCheap will fail to properly retain
2274 -- its subscription.
2075 -- its subscription.
2275− liftIO $ writeIORef changeSubdRef (changeSubscriber, changeSubscription)
2076+ liftIO $ writeIORef changeSubdRef (s, changeSubscription)
2276 let unsubscribeAll = traverse_ unsubscribe =<< FastMutableIntMap.getFrozenAndClear parents
2077 let unsubscribeAll = traverse_ unsubscribe =<< FastMutableIntMap.getFrozenAndClear parents
2277−
2278−
2279− return (EventSubscription unsubscribeAll subscribed, occ)
2078+ return ( EventSubscription unsubscribeAll $ EventSubscribed heightRef $ toAny (parents, changeSubdRef)
2079+ , occ
2080+ )
2280
2081
2281newtype EventSelector x k = EventSelector { select :: forall a. k a -> Event x a }
2082newtype EventSelector x k = EventSelector { select :: forall a. k a -> Event x a }
2282newtype EventSelectorG x k v = EventSelectorG { selectG :: forall a. k a -> Event x (v a) }
2083newtype EventSelectorG x k v = EventSelectorG { selectG :: forall a. k a -> Event x (v a) }
@@ -2359,19 +2160,19 @@ runFrame a = SpiderHost $ do
2359 coincidenceInfos <- readIORef $ eventEnvResetCoincidences env
2160 coincidenceInfos <- readIORef $ eventEnvResetCoincidences env
2360 forM_ toAssign $ \(SomeAssignment vRef iRef v) -> {-# SCC "assignment" #-} do
2161 forM_ toAssign $ \(SomeAssignment vRef iRef v) -> {-# SCC "assignment" #-} do
2361 writeIORef vRef v
2162 writeIORef vRef v
2362− traceInvalidate $ "Invalidating Hold"
2163+ when debugInvalidate $ putStrLn $ "Invalidating Hold"
2363 writeIORef iRef =<< evaluate =<< invalidate toReconnectRef =<< readIORef iRef
2164 writeIORef iRef =<< evaluate =<< invalidate toReconnectRef =<< readIORef iRef
2364 mergeUpdates <- readIORef $ eventEnvMergeUpdates env
2165 mergeUpdates <- readIORef $ eventEnvMergeUpdates env
2365 writeIORef (eventEnvMergeUpdates env) []
2166 writeIORef (eventEnvMergeUpdates env) []
2366− tracePropagate (Proxy::Proxy x) $ "Updating merges"
2167+ when debugPropagate $ putStrLn "Updating merges"
2367 mergeSubscriptionsToKill <- runEventM $ concat <$> mapM _someMergeUpdate_update mergeUpdates
2168 mergeSubscriptionsToKill <- runEventM $ concat <$> mapM _someMergeUpdate_update mergeUpdates
2368− tracePropagate (Proxy::Proxy x) $ "Updating merges done"
2169+ when debugPropagate $ putStrLn "Updating merges done"
2369 toReconnect <- readIORef toReconnectRef
2170 toReconnect <- readIORef toReconnectRef
2370 clearEventEnv env
2171 clearEventEnv env
2371 switchSubscriptionsToKill <- forM toReconnect $ \(SomeSwitchSubscribed subscribed) -> {-# SCC "switchSubscribed" #-} do
2172 switchSubscriptionsToKill <- forM toReconnect $ \(SomeSwitchSubscribed subscribed) -> {-# SCC "switchSubscribed" #-} do
2372 oldSubscription <- readIORef $ switchSubscribedCurrentParent subscribed
2173 oldSubscription <- readIORef $ switchSubscribedCurrentParent subscribed
2373 wi <- readIORef $ switchSubscribedOwnWeakInvalidator subscribed
2174 wi <- readIORef $ switchSubscribedOwnWeakInvalidator subscribed
2374− traceInvalidate $ "Finalizing invalidator for Switch" <> showNodeId subscribed
2175+ when debugInvalidate $ putStrLn $ "Finalizing invalidator for Switch" <> showNodeId subscribed
2375 finalize wi
2176 finalize wi
2376 i <- evaluate $ switchSubscribedOwnInvalidator subscribed
2177 i <- evaluate $ switchSubscribedOwnInvalidator subscribed
2377 wi' <- mkWeakPtrWithDebug i "wi'"
2178 wi' <- mkWeakPtrWithDebug i "wi'"
@@ -2385,7 +2186,7 @@ runFrame a = SpiderHost $ do
2385 subscription <- unSpiderHost $ runFrame $ {-# SCC "subscribeSwitch" #-} subscribe e sub --TODO: Assert that the event isn't firing --TODO: This should not loop because none of the events should be firing, but still, it is inefficient
2186 subscription <- unSpiderHost $ runFrame $ {-# SCC "subscribeSwitch" #-} subscribe e sub --TODO: Assert that the event isn't firing --TODO: This should not loop because none of the events should be firing, but still, it is inefficient
2386 {-
2187 {-
2387 stackTrace <- liftIO $ fmap renderStack $ ccsToStrings =<< (getCCSOf $! switchSubscribedParent subscribed)
2188 stackTrace <- liftIO $ fmap renderStack $ ccsToStrings =<< (getCCSOf $! switchSubscribedParent subscribed)
2388− liftIO $ debugStrLn $ (++stackTrace) $ "subd' subscribed to " ++ case e of
2189+ liftIO $ putStrLn $ (++stackTrace) $ "subd' subscribed to " ++ case e of
2389 EventRoot _ -> "EventRoot"
2190 EventRoot _ -> "EventRoot"
2390 EventNever -> "EventNever"
2191 EventNever -> "EventNever"
2391 _ -> "something else"
2192 _ -> "something else"
@@ -2400,7 +2201,7 @@ runFrame a = SpiderHost $ do
2400 myHeight <- readIORef $ switchSubscribedHeight subscribed
2201 myHeight <- readIORef $ switchSubscribedHeight subscribed
2401 when (parentHeight /= myHeight) $ do
2202 when (parentHeight /= myHeight) $ do
2402 writeIORef (switchSubscribedHeight subscribed) $! invalidHeight
2203 writeIORef (switchSubscribedHeight subscribed) $! invalidHeight
2403− WeakBag.traverse_ (switchSubscribedSubscribers subscribed) $ invalidateSubscriberHeight myHeight
2204+ WeakBag.traverse (switchSubscribedSubscribers subscribed) $ invalidateSubscriberHeight myHeight
2404 mapM_ _someMergeUpdate_invalidateHeight mergeUpdates --TODO: In addition to when the patch is completely empty, we should also not run this if it has some Nothing values, but none of them have actually had any effect; potentially, we could even check for Just values with no effect (e.g. by comparing their IORefs and ignoring them if they are unchanged); actually, we could just check if the new height is different
2205 mapM_ _someMergeUpdate_invalidateHeight mergeUpdates --TODO: In addition to when the patch is completely empty, we should also not run this if it has some Nothing values, but none of them have actually had any effect; potentially, we could even check for Just values with no effect (e.g. by comparing their IORefs and ignoring them if they are unchanged); actually, we could just check if the new height is different
2405 forM_ coincidenceInfos $ \(SomeResetCoincidence subscription mcs) -> do
2206 forM_ coincidenceInfos $ \(SomeResetCoincidence subscription mcs) -> do
2406 unsubscribe subscription
2207 unsubscribe subscription
@@ -2441,7 +2242,7 @@ invalidateCoincidenceHeight subscribed = do
2441 oldHeight <- readIORef $ coincidenceSubscribedHeight subscribed
2242 oldHeight <- readIORef $ coincidenceSubscribedHeight subscribed
2442 when (oldHeight /= invalidHeight) $ do
2243 when (oldHeight /= invalidHeight) $ do
2443 writeIORef (coincidenceSubscribedHeight subscribed) $! invalidHeight
2244 writeIORef (coincidenceSubscribedHeight subscribed) $! invalidHeight
2444− WeakBag.traverse_ (coincidenceSubscribedSubscribers subscribed) $ invalidateSubscriberHeight oldHeight
2245+ WeakBag.traverse (coincidenceSubscribedSubscribers subscribed) $ invalidateSubscriberHeight oldHeight
2445
2246
2446updateSwitchHeight :: Height -> SwitchSubscribed x a -> IO ()
2247updateSwitchHeight :: Height -> SwitchSubscribed x a -> IO ()
2447updateSwitchHeight new subscribed = do
2248updateSwitchHeight new subscribed = do
@@ -2449,7 +2250,7 @@ updateSwitchHeight new subscribed = do
2449 when (oldHeight == invalidHeight) $ do --TODO: This 'when' should probably be an assertion
2250 when (oldHeight == invalidHeight) $ do --TODO: This 'when' should probably be an assertion
2450 when (new /= invalidHeight) $ do --TODO: This 'when' should probably be an assertion
2251 when (new /= invalidHeight) $ do --TODO: This 'when' should probably be an assertion
2451 writeIORef (switchSubscribedHeight subscribed) $! new
2252 writeIORef (switchSubscribedHeight subscribed) $! new
2452− WeakBag.traverse_ (switchSubscribedSubscribers subscribed) $ recalculateSubscriberHeight new
2253+ WeakBag.traverse (switchSubscribedSubscribers subscribed) $ recalculateSubscriberHeight new
2453
2254
2454recalculateCoincidenceHeight :: CoincidenceSubscribed x a -> IO ()
2255recalculateCoincidenceHeight :: CoincidenceSubscribed x a -> IO ()
2455recalculateCoincidenceHeight subscribed = do
2256recalculateCoincidenceHeight subscribed = do
@@ -2458,7 +2259,7 @@ recalculateCoincidenceHeight subscribed = do
2458 height <- calculateCoincidenceHeight subscribed
2259 height <- calculateCoincidenceHeight subscribed
2459 when (height /= invalidHeight) $ do
2260 when (height /= invalidHeight) $ do
2460 writeIORef (coincidenceSubscribedHeight subscribed) $! height
2261 writeIORef (coincidenceSubscribedHeight subscribed) $! height
2461− WeakBag.traverse_ (coincidenceSubscribedSubscribers subscribed) $ recalculateSubscriberHeight height
2262+ WeakBag.traverse (coincidenceSubscribedSubscribers subscribed) $ recalculateSubscriberHeight height
2462
2263
2463calculateSwitchHeight :: SwitchSubscribed x a -> IO Height
2264calculateSwitchHeight :: SwitchSubscribed x a -> IO Height
2464calculateSwitchHeight subscribed = getEventSubscribedHeight . _eventSubscription_subscribed =<< readIORef (switchSubscribedCurrentParent subscribed)
2265calculateSwitchHeight subscribed = getEventSubscribedHeight . _eventSubscription_subscribed =<< readIORef (switchSubscribedCurrentParent subscribed)
@@ -2520,8 +2321,6 @@ instance HasSpiderTimeline x => Reflex.Class.MonadHold (SpiderTimeline x) (Event
2520 {-# INLINABLE headE #-}
2321 {-# INLINABLE headE #-}
2521 headE = R.slowHeadE
2322 headE = R.slowHeadE
2522-- headE (SpiderEvent e) = SpiderEvent <$> Reflex.Spider.Internal.headE e
2323-- headE (SpiderEvent e) = SpiderEvent <$> Reflex.Spider.Internal.headE e
2523− {-# INLINABLE now #-}
2524− now = nowSpiderEventM
2525
2324
2526instance Reflex.Class.MonadSample (SpiderTimeline x) (SpiderPullM x) where
2325instance Reflex.Class.MonadSample (SpiderTimeline x) (SpiderPullM x) where
2527 {-# INLINABLE sample #-}
2326 {-# INLINABLE sample #-}
@@ -2543,9 +2342,6 @@ instance HasSpiderTimeline x => Reflex.Class.MonadHold (SpiderTimeline x) (Spide
2543 {-# INLINABLE headE #-}
2342 {-# INLINABLE headE #-}
2544 headE = R.slowHeadE
2343 headE = R.slowHeadE
2545-- headE (SpiderEvent e) = SpiderPushM $ SpiderEvent <$> Reflex.Spider.Internal.headE e
2344-- headE (SpiderEvent e) = SpiderPushM $ SpiderEvent <$> Reflex.Spider.Internal.headE e
2546− {-# INLINABLE now #-}
2547− now = SpiderPushM nowSpiderEventM
2548−
2549
2345
2550instance HasSpiderTimeline x => Monad (Reflex.Class.Dynamic (SpiderTimeline x)) where
2346instance HasSpiderTimeline x => Monad (Reflex.Class.Dynamic (SpiderTimeline x)) where
2551 {-# INLINE return #-}
2347 {-# INLINE return #-}
@@ -2554,10 +2350,8 @@ instance HasSpiderTimeline x => Monad (Reflex.Class.Dynamic (SpiderTimeline x))
2554 x >>= f = SpiderDynamic $ dynamicDynIdentity $ newJoinDyn $ newMapDyn (unSpiderDynamic . f) $ unSpiderDynamic x
2350 x >>= f = SpiderDynamic $ dynamicDynIdentity $ newJoinDyn $ newMapDyn (unSpiderDynamic . f) $ unSpiderDynamic x
2555 {-# INLINE (>>) #-}
2351 {-# INLINE (>>) #-}
2556 (>>) = (*>)
2352 (>>) = (*>)
2557−#if !MIN_VERSION_base(4,13,0)
2558 {-# INLINE fail #-}
2353 {-# INLINE fail #-}
2559 fail _ = error "Dynamic does not support 'fail'"
2354 fail _ = error "Dynamic does not support 'fail'"
2560−#endif
2561
2355
2562{-# INLINABLE newJoinDyn #-}
2356{-# INLINABLE newJoinDyn #-}
2563newJoinDyn :: HasSpiderTimeline x => DynamicS x (Identity (DynamicS x (Identity a))) -> Reflex.Spider.Internal.Dyn x (Identity a)
2357newJoinDyn :: HasSpiderTimeline x => DynamicS x (Identity (DynamicS x (Identity a))) -> Reflex.Spider.Internal.Dyn x (Identity a)
@@ -2609,9 +2403,6 @@ instance HasSpiderTimeline x => Reflex.Class.MonadHold (SpiderTimeline x) (Spide
2609 buildDynamic getV0 e = runFrame . runSpiderHostFrame $ Reflex.Class.buildDynamic getV0 e
2403 buildDynamic getV0 e = runFrame . runSpiderHostFrame $ Reflex.Class.buildDynamic getV0 e
2610 {-# INLINABLE headE #-}
2404 {-# INLINABLE headE #-}
2611 headE e = runFrame . runSpiderHostFrame $ Reflex.Class.headE e
2405 headE e = runFrame . runSpiderHostFrame $ Reflex.Class.headE e
2612− {-# INLINABLE now #-}
2613− now = runFrame . runSpiderHostFrame $ Reflex.Class.now
2614−
2615
2406
2616instance HasSpiderTimeline x => Reflex.Class.MonadSample (SpiderTimeline x) (SpiderHostFrame x) where
2407instance HasSpiderTimeline x => Reflex.Class.MonadSample (SpiderTimeline x) (SpiderHostFrame x) where
2617 sample = SpiderHostFrame . readBehaviorUntracked . unSpiderBehavior --TODO: This can cause problems with laziness, so we should get rid of it if we can
2408 sample = SpiderHostFrame . readBehaviorUntracked . unSpiderBehavior --TODO: This can cause problems with laziness, so we should get rid of it if we can
@@ -2628,8 +2419,6 @@ instance HasSpiderTimeline x => Reflex.Class.MonadHold (SpiderTimeline x) (Spide
2628 {-# INLINABLE headE #-}
2419 {-# INLINABLE headE #-}
2629 headE = R.slowHeadE
2420 headE = R.slowHeadE
2630-- headE (SpiderEvent e) = SpiderHostFrame $ SpiderEvent <$> Reflex.Spider.Internal.headE e
2421-- headE (SpiderEvent e) = SpiderHostFrame $ SpiderEvent <$> Reflex.Spider.Internal.headE e
2631− {-# INLINABLE now #-}
2632− now = SpiderHostFrame Reflex.Class.now
2633
2422
2634instance HasSpiderTimeline x => Reflex.Class.MonadSample (SpiderTimeline x) (SpiderHost x) where
2423instance HasSpiderTimeline x => Reflex.Class.MonadSample (SpiderTimeline x) (SpiderHost x) where
2635 {-# INLINABLE sample #-}
2424 {-# INLINABLE sample #-}
@@ -2650,8 +2439,6 @@ instance HasSpiderTimeline x => Reflex.Class.MonadHold (SpiderTimeline x) (Refle
2650 buildDynamic getV0 e = Reflex.Spider.Internal.ReadPhase $ Reflex.Class.buildDynamic getV0 e
2439 buildDynamic getV0 e = Reflex.Spider.Internal.ReadPhase $ Reflex.Class.buildDynamic getV0 e
2651 {-# INLINABLE headE #-}
2440 {-# INLINABLE headE #-}
2652 headE e = Reflex.Spider.Internal.ReadPhase $ Reflex.Class.headE e
2441 headE e = Reflex.Spider.Internal.ReadPhase $ Reflex.Class.headE e
2653− {-# INLINABLE now #-}
2654− now = Reflex.Spider.Internal.ReadPhase Reflex.Class.now
2655
2442
2656--------------------------------------------------------------------------------
2443--------------------------------------------------------------------------------
2657-- Deprecated items
2444-- Deprecated items
@@ -2689,13 +2476,13 @@ instance HasSpiderTimeline x => Reflex.Host.Class.MonadReadEvent (SpiderTimeline
2689 touch h
2476 touch h
2690 return result
2477 return result
2691
2478
2692−instance HasSpiderTimeline x => Reflex.Host.Class.MonadReflexCreateTrigger (SpiderTimeline x) (SpiderHost x) where
2479+instance Reflex.Host.Class.MonadReflexCreateTrigger (SpiderTimeline x) (SpiderHost x) where
2693 newEventWithTrigger = SpiderHost . fmap SpiderEvent . newEventWithTriggerIO
2480 newEventWithTrigger = SpiderHost . fmap SpiderEvent . newEventWithTriggerIO
2694 newFanEventWithTrigger f = SpiderHost $ do
2481 newFanEventWithTrigger f = SpiderHost $ do
2695 es <- newFanEventWithTriggerIO f
2482 es <- newFanEventWithTriggerIO f
2696 return $ Reflex.Class.EventSelector $ SpiderEvent . Reflex.Spider.Internal.select es
2483 return $ Reflex.Class.EventSelector $ SpiderEvent . Reflex.Spider.Internal.select es
2697
2484
2698−instance HasSpiderTimeline x => Reflex.Host.Class.MonadReflexCreateTrigger (SpiderTimeline x) (SpiderHostFrame x) where
2485+instance Reflex.Host.Class.MonadReflexCreateTrigger (SpiderTimeline x) (SpiderHostFrame x) where
2699 newEventWithTrigger = SpiderHostFrame . EventM . liftIO . fmap SpiderEvent . newEventWithTriggerIO
2486 newEventWithTrigger = SpiderHostFrame . EventM . liftIO . fmap SpiderEvent . newEventWithTriggerIO
2700 newFanEventWithTrigger f = SpiderHostFrame $ EventM $ liftIO $ do
2487 newFanEventWithTrigger f = SpiderHostFrame $ EventM $ liftIO $ do
2701 es <- newFanEventWithTriggerIO f
2488 es <- newFanEventWithTriggerIO f
@@ -2775,7 +2562,7 @@ instance HasSpiderTimeline x => R.Reflex (SpiderTimeline x) where
2775 fanG e = R.EventSelectorG $ SpiderEvent . selectG (fanG (unSpiderEvent e))
2562 fanG e = R.EventSelectorG $ SpiderEvent . selectG (fanG (unSpiderEvent e))
2776 {-# INLINABLE mergeG #-}
2563 {-# INLINABLE mergeG #-}
2777 mergeG
2564 mergeG
2778− :: forall k2 (k :: k2 -> *) q (v :: k2 -> *). GCompare k
2565+ :: forall (k :: k2 -> *) q (v :: k2 -> *). GCompare k
2779 => (forall a. q a -> R.Event (SpiderTimeline x) (v a))
2566 => (forall a. q a -> R.Event (SpiderTimeline x) (v a))
2780 -> DMap k q
2567 -> DMap k q
2781 -> R.Event (SpiderTimeline x) (DMap k v)
2568 -> R.Event (SpiderTimeline x) (DMap k v)
@@ -2843,14 +2630,8 @@ instance Monad (SpiderHost x) where
2843 SpiderHost x >> SpiderHost y = SpiderHost $ x >> y
2630 SpiderHost x >> SpiderHost y = SpiderHost $ x >> y
2844 {-# INLINABLE return #-}
2631 {-# INLINABLE return #-}
2845 return x = SpiderHost $ return x
2632 return x = SpiderHost $ return x
2846−#if !MIN_VERSION_base(4,13,0)
2847 {-# INLINABLE fail #-}
2633 {-# INLINABLE fail #-}
2848− fail = MonadFail.fail
2849−#endif
2850−
2851−instance MonadFail (SpiderHost x) where
2852− {-# INLINABLE fail #-}
2853− fail s = SpiderHost $ MonadFail.fail s
2634+ fail s = SpiderHost $ fail s
2854
2635
2855-- | Run an action affecting the global Spider timeline; this will be guarded by
2636-- | Run an action affecting the global Spider timeline; this will be guarded by
2856-- a mutex for that timeline
2637-- a mutex for that timeline
@@ -2872,21 +2653,19 @@ instance Monad (SpiderHostFrame x) where
2872 SpiderHostFrame x >> SpiderHostFrame y = SpiderHostFrame $ x >> y
2653 SpiderHostFrame x >> SpiderHostFrame y = SpiderHostFrame $ x >> y
2873 {-# INLINABLE return #-}
2654 {-# INLINABLE return #-}
2874 return x = SpiderHostFrame $ return x
2655 return x = SpiderHostFrame $ return x
2875−#if !MIN_VERSION_base(4,13,0)
2876 {-# INLINABLE fail #-}
2656 {-# INLINABLE fail #-}
2877 fail s = SpiderHostFrame $ fail s
2657 fail s = SpiderHostFrame $ fail s
2878−#endif
2879
2658
2880instance NotReady (SpiderTimeline x) (SpiderHostFrame x) where
2659instance NotReady (SpiderTimeline x) (SpiderHostFrame x) where
2881 notReadyUntil _ = pure ()
2660 notReadyUntil _ = pure ()
2882 notReady = pure ()
2661 notReady = pure ()
2883
2662
2884−newEventWithTriggerIO :: forall x a. HasSpiderTimeline x => (RootTrigger x a -> IO (IO ())) -> IO (Event x a)
2663+newEventWithTriggerIO :: (RootTrigger x a -> IO (IO ())) -> IO (Event x a)
2885newEventWithTriggerIO f = do
2664newEventWithTriggerIO f = do
2886 es <- newFanEventWithTriggerIO $ \Refl -> f
2665 es <- newFanEventWithTriggerIO $ \Refl -> f
2887 return $ select es Refl
2666 return $ select es Refl
2888
2667
2889−newFanEventWithTriggerIO :: (HasSpiderTimeline x, GCompare k) => (forall a. k a -> RootTrigger x a -> IO (IO ())) -> IO (EventSelector x k)
2668+newFanEventWithTriggerIO :: GCompare k => (forall a. k a -> RootTrigger x a -> IO (IO ())) -> IO (EventSelector x k)
2890newFanEventWithTriggerIO f = do
2669newFanEventWithTriggerIO f = do
2891 occRef <- newIORef DMap.empty
2670 occRef <- newIORef DMap.empty
2892 subscribedRef <- newIORef DMap.empty
2671 subscribedRef <- newIORef DMap.empty
@@ -2920,11 +2699,3 @@ instance MonadAtomicRef (SpiderHostFrame x) where
2920instance PrimMonad (SpiderHostFrame x) where
2699instance PrimMonad (SpiderHostFrame x) where
2921 type PrimState (SpiderHostFrame x) = PrimState IO
2700 type PrimState (SpiderHostFrame x) = PrimState IO
2922 primitive = SpiderHostFrame . EventM . primitive
2701 primitive = SpiderHostFrame . EventM . primitive
2923−
2924−instance NotReady (SpiderTimeline x) (SpiderHost x) where
2925− notReadyUntil _ = return ()
2926− notReady = return ()
2927−
2928−instance HasSpiderTimeline x => NotReady (SpiderTimeline x) (PerformEventT (SpiderTimeline x) (SpiderHost x)) where
2929− notReadyUntil _ = return ()
2930− notReady = return ()
src/Reflex/TriggerEvent/Base.hs−2
@@ -122,8 +122,6 @@ instance MonadHold t m => MonadHold t (TriggerEventT t m) where
122 buildDynamic a0 = lift . buildDynamic a0
122 buildDynamic a0 = lift . buildDynamic a0
123 {-# INLINABLE headE #-}
123 {-# INLINABLE headE #-}
124 headE = lift . headE
124 headE = lift . headE
125− {-# INLINABLE now #-}
126− now = lift now
127
125
128instance Adjustable t m => Adjustable t (TriggerEventT t m) where
126instance Adjustable t m => Adjustable t (TriggerEventT t m) where
129 {-# INLINABLE runWithReplace #-}
127 {-# INLINABLE runWithReplace #-}
src/Reflex/TriggerEvent/Class.hs−6
@@ -12,7 +12,6 @@ import Reflex.Class
12import Control.Monad.Reader
12import Control.Monad.Reader
13import Control.Monad.State
13import Control.Monad.State
14import qualified Control.Monad.State.Strict as Strict
14import qualified Control.Monad.State.Strict as Strict
15−import Control.Monad.Trans.Maybe (MaybeT)
16
15
17--TODO: Shouldn't have IO hard-coded
16--TODO: Shouldn't have IO hard-coded
18-- | 'TriggerEvent' represents actions that can create 'Event's that can be
17-- | 'TriggerEvent' represents actions that can create 'Event's that can be
@@ -48,8 +47,3 @@ instance TriggerEvent t m => TriggerEvent t (Strict.StateT s m) where
48 newTriggerEvent = lift newTriggerEvent
47 newTriggerEvent = lift newTriggerEvent
49 newTriggerEventWithOnComplete = lift newTriggerEventWithOnComplete
48 newTriggerEventWithOnComplete = lift newTriggerEventWithOnComplete
50 newEventWithLazyTriggerWithOnComplete = lift . newEventWithLazyTriggerWithOnComplete
49 newEventWithLazyTriggerWithOnComplete = lift . newEventWithLazyTriggerWithOnComplete
51−
52−instance TriggerEvent t m => TriggerEvent t (MaybeT m) where
53− newTriggerEvent = lift newTriggerEvent
54− newTriggerEventWithOnComplete = lift newTriggerEventWithOnComplete
55− newEventWithLazyTriggerWithOnComplete = lift . newEventWithLazyTriggerWithOnComplete
src/Reflex/Widget/Basic.hs+1−1
@@ -13,7 +13,7 @@ import Data.Map (Map)
13
13
14import Reflex.Class
14import Reflex.Class
15import Reflex.Adjustable.Class
15import Reflex.Adjustable.Class
16−import Data.Patch.MapWithMove
16+import Reflex.Patch.MapWithMove
17
17
18
18
19-- | Build sortable content in such a way that re-sorting it can cause minimal
19-- | Build sortable content in such a way that re-sorting it can cause minimal
src/Reflex/Workflow.hs+1−1
@@ -34,7 +34,7 @@ workflow w0 = do
34 rec eResult <- networkHold (unWorkflow w0) $ fmap unWorkflow $ switch $ snd <$> current eResult
34 rec eResult <- networkHold (unWorkflow w0) $ fmap unWorkflow $ switch $ snd <$> current eResult
35 return $ fmap fst eResult
35 return $ fmap fst eResult
36
36
37−-- | Similar to 'workflow', but outputs an 'Event' that fires at post-build time and whenever the current 'Workflow' is replaced by the next 'Workflow'.
37+-- | Similar to 'workflow', but outputs an 'Event' that fires whenever the current 'Workflow' is replaced by the next 'Workflow'.
38workflowView :: forall t m a. (Reflex t, NotReady t m, Adjustable t m, MonadFix m, MonadHold t m, PostBuild t m) => Workflow t m a -> m (Event t a)
38workflowView :: forall t m a. (Reflex t, NotReady t m, Adjustable t m, MonadFix m, MonadHold t m, PostBuild t m) => Workflow t m a -> m (Event t a)
39workflowView w0 = do
39workflowView w0 = do
40 rec eResult <- networkView . fmap unWorkflow =<< holdDyn w0 eReplace
40 rec eResult <- networkView . fmap unWorkflow =<< holdDyn w0 eReplace
test/Adjustable.hsdeleted−62
@@ -1,62 +0,0 @@
1−{-# LANGUAGE BangPatterns #-}
2−{-# LANGUAGE LambdaCase #-}
3−{-# LANGUAGE RankNTypes #-}
4−{-# LANGUAGE RecursiveDo #-}
5−
6−module Main where
7−
8−import Control.Monad.Fix
9−import Data.Maybe
10−import qualified Data.Map as Map
11−
12−import Reflex
13−import Reflex.EventWriter.Base
14−import Reflex.Network
15−import Reflex.Patch.MapWithMove
16−import Test.Run
17−
18−main :: IO ()
19−main = do
20− let actions = [ Increment, Update0th, Increment, Swap, Increment, Increment ]
21− os <- runAppB testPatchMapWithMove $ map Just actions
22− -- If the final counter value in the adjusted widgets corresponds to the number of times it has
23− -- been incremented, we know that the networks haven't broken.
24− let expectedCount = length $ ffilter (== Increment) actions
25− -- let !True = last (last os) == [expectedCount,expectedCount] -- TODO re-enable this test after issue #369 has been resolved
26− return ()
27−
28−data PatchMapTestAction
29− = Increment
30− | Swap
31− | Update0th
32− deriving Eq
33−
34−-- See https://github.com/reflex-frp/reflex/issues/369 for the bug that this is testing.
35−testPatchMapWithMove
36− :: forall t m
37− . ( Reflex t
38− , Adjustable t m
39− , MonadHold t m
40− , MonadFix m
41− )
42− => Event t PatchMapTestAction
43− -> m (Behavior t [Int])
44−testPatchMapWithMove pulse = do
45− let pulseAction = ffor pulse $ \case
46− Increment -> Nothing
47− Swap -> patchMapWithMove $ Map.fromList
48− [ (0, NodeInfo (From_Move 1) (Just 1))
49− , (1, NodeInfo (From_Move 0) (Just 0))
50− ]
51− Update0th -> patchMapWithMove $ Map.fromList
52− [ (0, NodeInfo (From_Insert 'z') Nothing) ]
53− (_, result) <- runBehaviorWriterT $ mdo
54− counter <- foldDyn (+) 1 $ fmapMaybe (\e -> if isNothing e then Just 1 else Nothing) pulseAction
55− _ <- mapMapWithAdjustWithMove
56− (\_ _ -> networkHold
57− (tellBehavior $ constant [])
58− ((\t -> tellBehavior $ constant [t]) <$> updated counter))
59− (Map.fromList $ zip [0..] "ab")
60− (fmapMaybe id pulseAction)
61− return ()
62− return result
test/DebugCycles.hsdeleted−171
@@ -1,171 +0,0 @@
1−{-# LANGUAGE CPP #-}
2−{-# LANGUAGE ConstraintKinds #-}
3−{-# LANGUAGE FlexibleContexts #-}
4−{-# LANGUAGE GADTs #-}
5−{-# LANGUAGE RecursiveDo #-}
6−{-# LANGUAGE ScopedTypeVariables #-}
7−{-# LANGUAGE PatternSynonyms #-}
8−{-# LANGUAGE RankNTypes #-}
9−
10−module Main where
11−
12−import Data.Foldable
13−import Control.Lens
14−import Control.Applicative
15−import Control.Monad
16−import Control.Monad.Fix
17−import Control.Exception
18−import System.Timeout
19−import Data.Maybe (isJust)
20−import Data.Functor.Misc
21−import qualified Data.Map as Map
22−import Data.Map (Map)
23−import qualified Data.IntMap as IntMap
24−import Data.IntMap (IntMap)
25−import Data.These
26−import Data.Align
27−import Reflex
28−import Reflex.EventWriter.Base
29−import Test.Run
30−import Test.Hspec
31−import Reflex.Spider.Internal (EventLoopException)
32−import Data.Witherable (Filterable)
33−
34−#if defined(MIN_VERSION_these_lens) || (MIN_VERSION_these(0,8,0) && !MIN_VERSION_these(0,9,0))
35−import Data.These.Lens
36−#endif
37−
38−type Widget t m = (MonadHold t m, Reflex t, MonadFix m)
39−
40−connectDyn :: Widget t m => Event t () -> (Dynamic t a, Dynamic t a) -> m (Dynamic t a)
41−connectDyn e (d, d') = do
42− dd <- holdDyn d (d' <$ e)
43− return $ join dd
44−
45−dynLoop :: Widget t m => (Event t Int, Event t ()) -> m (Event t Int)
46−dynLoop (e1, e2) = do
47− -- "heightBagRemove: Height 2 not present in bag HeightBag {_heightBag_size = 2, _heightBag_contents = fromList [(0,1)]}"
48− rec
49− d <- count e1
50− d' <- connectDyn e2 (d, liftA2 (+) d d')
51− return $ updated d'
52−
53−connectOnCoincidence :: Widget t m => Event t () -> Event t a -> m (Event t a)
54−connectOnCoincidence click e = do
55− d <- holdDyn never (e <$ click)
56− return $ coincidence (updated d)
57−
58−coincidenceLoop :: Widget t m => (Event t Int, Event t ()) -> m (Event t Int)
59−coincidenceLoop (e1, e2) = do
60−-- "heightBagRemove: Height 1 not present in bag HeightBag {_heightBag_size = 1, _heightBag_contents = fromList [(0,0)]}"
61−-- (simpler version of dynLoop)
62− rec
63− e' <- connectOnCoincidence e2 (updated d)
64− d <- count (align e' e1)
65− return $ updated d
66−
67−addHeight :: Reflex t => Event t a -> Event t a
68−addHeight e = leftmost [e4, e4] where
69− e1 = leftmost [e, e]
70− e2 = leftmost [e1, e1]
71− e3 = leftmost [e2, e2]
72− e4 = leftmost [e3, e3]
73−
74−-- Take an existing test and build it inside a
75−buildLoop :: Widget t m => (forall t m. Widget t m => (Event t Int, Event t ()) -> m (Event t Int)) -> (Event t Int, Event t ()) -> m (Event t Int)
76−buildLoop test (e1, e2) = switchHold never buildLoop
77− where buildLoop = pushAlways (const $ test (e1, e2)) e2
78−
79−connectButtonPromptly :: Widget t m => Event t () -> Event t a -> m (Event t a)
80−connectButtonPromptly click e = do
81− d <- holdDyn never (e <$ click)
82− return (switchDyn d)
83−
84−connectButton :: Widget t m => Event t () -> Event t a -> m (Event t a)
85−connectButton click e = do
86− d <- hold never (e <$ click)
87− return (switch d)
88−
89−switchLoop01 :: Widget t m => (Event t Int, Event t ()) -> m (Event t Int)
90−switchLoop01 (e1, e2) = do
91− rec
92− e' <- connectButton e2 (updated d)
93− d <- count (align e' e1)
94− return $ updated d
95−
96−mergeLoop :: forall t m. (Adjustable t m, Widget t m) => (Event t Int, Event t ()) -> m (Event t Int)
97−mergeLoop (e1, e2) = do
98− rec
99− (_, e) <- runEventWriterT $
100− runWithReplace w (leftmost [w <$ e1])
101− return (sum <$> e)
102− where
103− w = do
104− c <- count e1
105− tellEvent (updated ((pure <$> c) :: Dynamic t [Int]))
106−
107−switchLoop02 :: Widget t m => (Event t Int, Event t ()) -> m (Event t Int)
108−switchLoop02 (e1, e2) = do
109− rec
110− e' <- connectButton e2 (updated d)
111− d <- count (leftmost [e', e1])
112− return $ updated d
113−
114−switchLoop03 :: Widget t m => (Event t Int, Event t ()) -> m (Event t Int)
115−switchLoop03 (e1, e2) = do
116− rec
117− e' <- connectButton e2 (addHeight $ updated d)
118− d <- count (align e' e1)
119− return $ updated d
120−
121−staticLoop01 :: Widget t m => (Event t Int, Event t ()) -> m (Event t Int)
122−staticLoop01 (e1, e2) = do
123− rec
124− d <- foldDyn (+) (0 :: Int) (1 <$ align e1 (updated d))
125− return $ updated d
126−
127−staticLoop02 :: Widget t m => (Event t Int, Event t ()) -> m (Event t Int)
128−staticLoop02 (e1, e2) = do
129− rec
130− d <- foldDyn (+) (0 :: Int) (leftmost [e1, updated d])
131− return $ updated d
132−
133−buildStaticLoop :: Widget t m => (Event t Int, Event t ()) -> m (Event t Int)
134−buildStaticLoop (e1, e2) = switchHold never buildLoop
135− where buildLoop = pushAlways (const $ staticLoop01 (e1, e2)) e2
136−
137−splitThese :: Filterable f => f (These a b) -> (f a, f b)
138−splitThese f = (mapMaybe (preview here) f, mapMaybe (preview there) f)
139−
140−main :: IO ()
141−main = hspec $ do
142− describe "DebugCycles" $ do
143− it "throws EventLoopException on switchLoop01" $ do
144− check switchLoop01
145− it "throws EventLoopException on switchLoop02" $ do
146− check switchLoop02
147− it "throws EventLoopException on switchLoop03" $ do
148− check switchLoop03
149− it "throws EventLoopException on buildSwitchLoop" $ do
150− check $ buildLoop switchLoop01
151− xit "throws EventLoopException on mergeLoop" $ do
152− check mergeLoop
153− xit "throws EventLoopException on staticLoop01" $ do
154− check staticLoop01
155− xit "throws EventLoopException on staticLoop02" $ do
156− check staticLoop02
157− xit "throws EventLoopException on buildStaticLoop" $ do
158− check buildStaticLoop
159− xit "throws EventLoopException on coincidenceLoop" $ do
160− check coincidenceLoop
161− xit "throws EventLoopException on dynLoop" $ do
162− check dynLoop
163− xit "throws EventLoopException on buildCoincidenceLoop" $ do
164− check $ buildLoop coincidenceLoop
165− where
166− milliseconds = (*1000)
167− occs = [ This 1, This 2, That (), This 3, That (), This 1 ]
168− check test = do
169− let action = timeout (milliseconds 50) $ do
170− runApp' (test . splitThese) (Just <$> occs)
171− action `shouldThrow` (const True :: Selector EventLoopException)
test/GC.hs+2−2
@@ -18,10 +18,9 @@ import Data.GADT.Compare
18import Data.IORef
18import Data.IORef
19import Data.Semigroup
19import Data.Semigroup
20import Data.These
20import Data.These
21−import Data.Type.Equality ((:~:)(Refl))
22
21
23import Data.Functor.Misc
22import Data.Functor.Misc
24−import Data.Patch
23+import Reflex.Patch
25
24
26import qualified Reflex.Host.Class as Host
25import qualified Reflex.Host.Class as Host
27import qualified Reflex.Spider.Internal as S
26import qualified Reflex.Spider.Internal as S
@@ -84,6 +83,7 @@ hostPerf ref = S.runSpiderHost $ do
84 Nothing -> []
83 Nothing -> []
85 Host.fireEventsAndRead followupEventTriggers $ return ()
84 Host.fireEventsAndRead followupEventTriggers $ return ()
86 return ()
85 return ()
86+ return ()
87
87
88data Tell a where
88data Tell a where
89 Action :: Tell ()
89 Action :: Tell ()
test/Headless.hsdeleted−10
@@ -1,10 +0,0 @@
1−module Main where
2−
3−import Reflex
4−import Reflex.Host.Headless (runHeadlessApp)
5−
6−main :: IO ()
7−main = do
8− runHeadlessApp $ do
9− pb <- getPostBuild
10− performEvent (pure <$> pb)
test/QueryT.hs+1−1
@@ -24,7 +24,7 @@ import Data.These.Lens
24#endif
24#endif
25
25
26import Reflex
26import Reflex
27−import Data.Patch.MapWithMove
27+import Reflex.Patch.MapWithMove
28import Test.Run
28import Test.Run
29
29
30newtype MyQuery = MyQuery SelectedCount
30newtype MyQuery = MyQuery SelectedCount
test/Reflex/Bench/Focused.hs+1−1
@@ -134,7 +134,7 @@ holdDynChain :: (Reflex t, MonadHold t m) => Word -> Dynamic t Word -> m (Dynami
134holdDynChain = iterM (\d -> sample (current d) >>= flip holdDyn (updated d))
134holdDynChain = iterM (\d -> sample (current d) >>= flip holdDyn (updated d))
135
135
136buildDynChain :: (Reflex t, MonadHold t m) => Word -> Dynamic t Word -> m (Dynamic t Word)
136buildDynChain :: (Reflex t, MonadHold t m) => Word -> Dynamic t Word -> m (Dynamic t Word)
137−buildDynChain = iterM (\d -> do
137+buildDynChain = iterM (\d -> do
138 let b = fmap (+1) (current d)
138 let b = fmap (+1) (current d)
139 e = fmap (*2) (updated d)
139 e = fmap (*2) (updated d)
140 buildDynamic (sample b) e)
140 buildDynamic (sample b) e)
test/Reflex/Plan/Pure.hs−1
@@ -41,7 +41,6 @@ instance MonadHold (Pure Int) PurePlan where
41 holdIncremental initial = liftPlan . holdIncremental initial
41 holdIncremental initial = liftPlan . holdIncremental initial
42 buildDynamic getInitial = liftPlan . buildDynamic getInitial
42 buildDynamic getInitial = liftPlan . buildDynamic getInitial
43 headE = liftPlan . headE
43 headE = liftPlan . headE
44− now = liftPlan now
45
44
46instance MonadSample (Pure Int) PurePlan where
45instance MonadSample (Pure Int) PurePlan where
47 sample = liftPlan . sample
46 sample = liftPlan . sample
test/Reflex/Test/CrossImpl.hs+8−13
@@ -21,12 +21,11 @@ import Reflex.Dynamic
21import Reflex.Host.Class
21import Reflex.Host.Class
22import qualified Reflex.Pure as P
22import qualified Reflex.Pure as P
23import qualified Reflex.Spider.Internal as S
23import qualified Reflex.Spider.Internal as S
24−import qualified Reflex.Profiled as Prof
25
24
26import Control.Arrow (second, (&&&))
25import Control.Arrow (second, (&&&))
27import Control.Monad.Identity hiding (forM, forM_, mapM, mapM_, sequence, sequence_)
26import Control.Monad.Identity hiding (forM, forM_, mapM, mapM_, sequence, sequence_)
28import Control.Monad.State.Strict hiding (forM, forM_, mapM, mapM_, sequence, sequence_)
27import Control.Monad.State.Strict hiding (forM, forM_, mapM, mapM_, sequence, sequence_)
29−import Data.Dependent.Sum (DSum (..))
28+import Data.Dependent.Map (DSum (..))
30import Data.Foldable
29import Data.Foldable
31import Data.Map.Strict (Map)
30import Data.Map.Strict (Map)
32import qualified Data.Map.Strict as Map
31import qualified Data.Map.Strict as Map
@@ -36,6 +35,8 @@ import Data.Traversable
36import System.Exit
35import System.Exit
37import System.Mem
36import System.Mem
38
37
38+import System.IO.Unsafe
39+
39mapToPureBehavior :: Map Int a -> Behavior PureReflexDomain a
40mapToPureBehavior :: Map Int a -> Behavior PureReflexDomain a
40mapToPureBehavior m = P.Behavior $ \t -> case Map.lookupLE t m of
41mapToPureBehavior m = P.Behavior $ \t -> case Map.lookupLE t m of
41 Nothing -> error $ "mapToPureBehavior: no value for time " <> show t
42 Nothing -> error $ "mapToPureBehavior: no value for time " <> show t
@@ -72,14 +73,11 @@ instance MapMSignals (Event t a) (Event t' a) t t' where
72instance (MapMSignals a a' t t', MapMSignals b b' t t') => MapMSignals (a, b) (a', b') t t' where
73instance (MapMSignals a a' t t', MapMSignals b b' t t') => MapMSignals (a, b) (a', b') t t' where
73 mapMSignals fb fe (a, b) = liftM2 (,) (mapMSignals fb fe a) (mapMSignals fb fe b)
74 mapMSignals fb fe (a, b) = liftM2 (,) (mapMSignals fb fe a) (mapMSignals fb fe b)
74
75
75−testTimeline
76− :: (forall m t. TestCaseConstraint t m => (Behavior t a, Event t b) -> m (Behavior t c, Event t d))
76+testSpider :: (forall m t. TestCaseConstraint t m => (Behavior t a, Event t b) -> m (Behavior t c, Event t d)) -> (Map Int a, Map Int b) -> (Map Int c, Map Int d)
77− -> (Map Int a, Map Int b)
78− -> (forall m t. (MonadReflexHost t m, MonadIO m, MonadRef m, Ref m ~ Ref IO, MonadSample t m) => m (Map Int c, Map Int d))
79−testTimeline builder (bMap, eMap) = do
77+testSpider builder (bMap, eMap) = unsafePerformIO $ S.runSpiderHost $ do
80 (re, reTrigger) <- newEventWithTriggerRef
78 (re, reTrigger) <- newEventWithTriggerRef
81 (rb, rbTrigger) <- newEventWithTriggerRef
79 (rb, rbTrigger) <- newEventWithTriggerRef
82− b <- runHostFrame $ hold (error "testTimeline: No value for input behavior yet") rb
80+ b <- runHostFrame $ hold (error "testSpider: No value for input behavior yet") rb
83 (b', e') <- runHostFrame $ builder (b, re)
81 (b', e') <- runHostFrame $ builder (b, re)
84 e'Handle <- subscribeEvent e' --TODO: This should be unnecessary
82 e'Handle <- subscribeEvent e' --TODO: This should be unnecessary
85 let times = relevantTestingTimes (bMap, eMap)
83 let times = relevantTestingTimes (bMap, eMap)
@@ -104,11 +102,9 @@ testAgreement :: (Eq c, Eq d, Show c, Show d) => (forall m t. TestCaseConstraint
104testAgreement builder inputs = do
102testAgreement builder inputs = do
105 let identityResult = testPure builder inputs
103 let identityResult = testPure builder inputs
106 tracePerf "---------" $ return ()
104 tracePerf "---------" $ return ()
107− spiderResult <- S.runSpiderHost $ testTimeline builder inputs
105+ let spiderResult = testSpider builder inputs
108− tracePerf "---------" $ return ()
109− profiledResult <- S.runSpiderHost $ Prof.runProfiledM $ testTimeline builder inputs
110 tracePerf "---------" $ return ()
106 tracePerf "---------" $ return ()
111− let resultsAgree = identityResult == spiderResult && identityResult == profiledResult
107+ let resultsAgree = identityResult == spiderResult
112 if resultsAgree
108 if resultsAgree
113 then do --putStrLn "Success:"
109 then do --putStrLn "Success:"
114 --print identityResult
110 --print identityResult
@@ -116,7 +112,6 @@ testAgreement builder inputs = do
116 else do putStrLn "Failure:"
112 else do putStrLn "Failure:"
117 putStrLn $ "Pure result: " <> show identityResult
113 putStrLn $ "Pure result: " <> show identityResult
118 putStrLn $ "Spider result: " <> show spiderResult
114 putStrLn $ "Spider result: " <> show spiderResult
119− putStrLn $ "Profiled result: " <> show profiledResult
120 return resultsAgree
115 return resultsAgree
121
116
122type TestCaseConstraint t m = (Reflex t, MonadSample t m, MonadHold t m, MonadFix m, MonadFix (PushM t))
117type TestCaseConstraint t m = (Reflex t, MonadSample t m, MonadHold t m, MonadFix m, MonadFix (PushM t))
test/Reflex/Test/Micro.hs+2−8
@@ -322,14 +322,8 @@ testCases =
322 let e = never <$ switch b
322 let e = never <$ switch b
323 return $ void e
323 return $ void e
324 lazyHold
324 lazyHold
325− , testE "now-1" $ do
325+
326− e1 <- events1
326+
327− switchHoldPromptly never . pushAlways (\a -> fmap (a <$) now) $ e1
328− , testE "now-2" $ do
329− e1 <- events1
330− let e = pushAlways (\a -> if a == "a" then now else return never) e1
331− x <- accumDyn (<>) never e
332− return . coincidence $ updated x
333 ] where
327 ] where
334
328
335 events1, events2, events3 :: TestPlan t m => m (Event t String)
329 events1, events2, events3 :: TestPlan t m => m (Event t String)
test/RequesterT.hs+2−63
@@ -1,36 +1,20 @@
1{-# LANGUAGE CPP #-}
1{-# LANGUAGE CPP #-}
2{-# LANGUAGE BangPatterns #-}
2{-# LANGUAGE BangPatterns #-}
3{-# LANGUAGE FlexibleContexts #-}
3{-# LANGUAGE FlexibleContexts #-}
4−{-# LANGUAGE FlexibleInstances #-}
5{-# LANGUAGE GADTs #-}
4{-# LANGUAGE GADTs #-}
6−{-# LANGUAGE LambdaCase #-}
5+{-# LANGUAGE RankNTypes #-}
7−{-# LANGUAGE MultiParamTypeClasses #-}
8{-# LANGUAGE RecursiveDo #-}
6{-# LANGUAGE RecursiveDo #-}
9{-# LANGUAGE ScopedTypeVariables #-}
7{-# LANGUAGE ScopedTypeVariables #-}
10−{-# LANGUAGE TemplateHaskell #-}
11−{-# LANGUAGE TypeApplications #-}
12−{-# LANGUAGE TypeFamilies #-}
13module Main where
8module Main where
14
9
15−import Control.Lens hiding (has)
10+import Control.Lens
16import Control.Monad
11import Control.Monad
17import Control.Monad.Fix
12import Control.Monad.Fix
18−import Control.Monad.IO.Class (MonadIO)
19−import Data.Constraint.Extras
20−import Data.Constraint.Extras.TH
21−import Data.Constraint.Forall
22import qualified Data.Dependent.Map as DMap
13import qualified Data.Dependent.Map as DMap
23import Data.Dependent.Sum
14import Data.Dependent.Sum
24import Data.Functor.Misc
15import Data.Functor.Misc
25−import Data.List (words)
26−import Data.Map (Map)
27import qualified Data.Map as M
16import qualified Data.Map as M
28−#if !MIN_VERSION_these(4,11,0)
29−import Data.Semigroup ((<>))
30−#endif
31−import Data.Text (Text)
32import Data.These
17import Data.These
33−import Text.Read (readMaybe)
34
18
35#if defined(MIN_VERSION_these_lens) || (MIN_VERSION_these(0,8,0) && !MIN_VERSION_these(0,9,0))
19#if defined(MIN_VERSION_these_lens) || (MIN_VERSION_these(0,8,0) && !MIN_VERSION_these(0,9,0))
36import Data.These.Lens
20import Data.These.Lens
@@ -65,19 +49,12 @@ main = do
65 print os5
49 print os5
66 os6 <- runApp' (unwrapApp delayedPulse) [Just ()]
50 os6 <- runApp' (unwrapApp delayedPulse) [Just ()]
67 print os6
51 print os6
68− os7 <- runApp' testMatchRequestsWithResponses [ Just $ TestRequest_Increment 1 ]
69− print os7
70− os8 <- runApp' testMatchRequestsWithResponses [ Just $ TestRequest_Reverse "yoyo" ]
71− print os8
72 let ![[Just [1,2,3,4,5,6,7,8,9,10]]] = os1 -- The order is reversed here: see the documentation for 'runRequesterT'
52 let ![[Just [1,2,3,4,5,6,7,8,9,10]]] = os1 -- The order is reversed here: see the documentation for 'runRequesterT'
73 let ![[Just [9,7,5,3,1]],[Nothing,Nothing],[Just [10,8,6,4,2]],[Just [10,8,6,4,2],Nothing]] = os2
53 let ![[Just [9,7,5,3,1]],[Nothing,Nothing],[Just [10,8,6,4,2]],[Just [10,8,6,4,2],Nothing]] = os2
74 let ![[Nothing, Just [2]]] = os3
54 let ![[Nothing, Just [2]]] = os3
75 let ![[Nothing, Just [2]]] = os4
55 let ![[Nothing, Just [2]]] = os4
76 let ![[Nothing, Just [1, 2]]] = os5
56 let ![[Nothing, Just [1, 2]]] = os5
77 -- let ![[Nothing, Nothing]] = os6 -- TODO re-enable this test after issue #233 has been resolved
57 -- let ![[Nothing, Nothing]] = os6 -- TODO re-enable this test after issue #233 has been resolved
78− let !(Just [(1,"2")]) = M.toList <$> head (head os7)
79− let !(Just [(1,"oyoy")]) = M.toList <$> head (head os8)
80−
81 return ()
58 return ()
82
59
83unwrapRequest :: DSum tag RequestInt -> Int
60unwrapRequest :: DSum tag RequestInt -> Int
@@ -195,41 +172,3 @@ delayedPulse pulse = void $ flip runWithReplace (pure () <$ pulse) $ do
195 -- This has the effect of delaying pulse' from pulse
172 -- This has the effect of delaying pulse' from pulse
196 (_, pulse') <- runWithReplace (pure ()) $ pure (RequestInt 1) <$ pulse
173 (_, pulse') <- runWithReplace (pure ()) $ pure (RequestInt 1) <$ pulse
197 requestingIdentity pulse'
174 requestingIdentity pulse'
198−
199−data TestRequest a where
200− TestRequest_Reverse :: String -> TestRequest String
201− TestRequest_Increment :: Int -> TestRequest Int
202−
203−testMatchRequestsWithResponses
204− :: forall m t req a
205− . ( MonadFix m
206− , MonadHold t m
207− , Reflex t
208− , PerformEvent t m
209− , MonadIO (Performable m)
210− , ForallF Show req
211− , Has Read req
212− )
213− => Event t (req a) -> m (Event t (Map Int String))
214−testMatchRequestsWithResponses pulse = mdo
215− (_, requests) <- runRequesterT (requesting pulse) responses
216− let rawResponses = M.map (\v ->
217− case words v of
218− ["reverse", str] -> reverse str
219− ["increment", i] -> show $ succ $ (read i :: Int)
220− ) <$> rawRequestMap
221− (rawRequestMap, responses) <- matchResponsesWithRequests reqEncoder requests (head . M.toList <$> rawResponses)
222− pure rawResponses
223− where
224− reqEncoder :: forall a. req a -> (String, String -> Maybe a)
225− reqEncoder r =
226− ( whichever @Show @req @a $ show r
227− , \x -> has @Read r $ readMaybe x
228− )
229−
230−deriveArgDict ''TestRequest
231−
232−instance Show (TestRequest a) where
233− show = \case
234− TestRequest_Reverse str -> "reverse " <> str
235− TestRequest_Increment i -> "increment " <> show i
test/hlint.hs+8−2
@@ -1,7 +1,7 @@
1module Main where
1module Main where
2
2
3import Control.Monad
3import Control.Monad
4−import Language.Haskell.HLint (hlint)
4+import Language.Haskell.HLint3 (hlint)
5import System.Directory
5import System.Directory
6import System.Exit (exitFailure, exitSuccess)
6import System.Exit (exitFailure, exitSuccess)
7import System.FilePath
7import System.FilePath
@@ -22,7 +22,6 @@ main = do
22 , "--ignore=Use unless"
22 , "--ignore=Use unless"
23 , "--ignore=Reduce duplication"
23 , "--ignore=Reduce duplication"
24 , "--cpp-define=USE_TEMPLATE_HASKELL"
24 , "--cpp-define=USE_TEMPLATE_HASKELL"
25− , "--cpp-define=DEBUG"
26 , "--ignore=Use tuple-section"
25 , "--ignore=Use tuple-section"
27 ]
26 ]
28 recurseInto = and <$> sequence
27 recurseInto = and <$> sequence
@@ -31,9 +30,16 @@ main = do
31 ]
30 ]
32 matchFile = and <$> sequence
31 matchFile = and <$> sequence
33 [ extension ==? ".hs"
32 [ extension ==? ".hs"
33+ , let notElem' = liftOp notElem
34+ in filePath `notElem'` filePathExceptions pwd
34 ]
35 ]
35 files <- find recurseInto matchFile (pwd </> "src") --TODO: Someday fix all hints in tests, etc.
36 files <- find recurseInto matchFile (pwd </> "src") --TODO: Someday fix all hints in tests, etc.
36 ideas <- fmap concat $ forM files $ \f -> do
37 ideas <- fmap concat $ forM files $ \f -> do
37 putStr $ "linting file " ++ drop (length pwd + 1) f ++ "... "
38 putStr $ "linting file " ++ drop (length pwd + 1) f ++ "... "
38 runHlint f
39 runHlint f
39 if null ideas then exitSuccess else exitFailure
40 if null ideas then exitSuccess else exitFailure
41+
42+filePathExceptions :: FilePath -> [FilePath]
43+filePathExceptions pwd = map (pwd </>) $
44+ [ "src/Data/AppendMap.hs" -- parse error when hlint runs
45+ ]