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Embed lambda nodes in apply parents.
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@ -41,13 +41,12 @@ syntaxNodeIsEmbeddable :: ParentType
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-> Maybe Port
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-> Maybe Port
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-> Bool
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syntaxNodeIsEmbeddable parentType n mParentPort _mChildPort
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= case (parentType, n) of
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syntaxNodeIsEmbeddable parentType syntaxNode mParentPort mChildPort
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= case (parentType, syntaxNode) of
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(ApplyParent, ApplyNode _ _ _) -> parentPortNotResult
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(ApplyParent, LiteralNode _) -> parentPortNotResult
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-- TODO Embedded FunctionDefNodes are missing their enclosures.
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-- (ApplyParent, FunctionDefNode _ _)
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-- -> isInput mParentPort && isResult mChildPort
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(ApplyParent, FunctionDefNode _ _)
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-> isInput mParentPort && isResult mChildPort
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(CaseParent, LiteralNode _) -> parentPortNotResult
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(CaseParent, ApplyNode _ _ _)
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@ -6,6 +6,7 @@ module Rendering (
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renderIngSyntaxGraph
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) where
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import qualified Diagrams.Prelude as DIA
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import Diagrams.Prelude(toName, shaftStyle, global, arrowShaft, noTail
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, arrowTail, arrowHead, scale, r2, bezier3
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, fromSegments, Angle, P2, V2, Point, Name, ArrowOpts, N
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@ -17,7 +18,6 @@ import Diagrams.Prelude(toName, shaftStyle, global, arrowShaft, noTail
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, connectOutside', connect', with, (%~), lengths, (^+^)
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, (.~))
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import Diagrams.TwoD.GraphViz(mkGraph, getGraph, layoutGraph')
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import qualified Diagrams.Prelude as DIA
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import qualified Data.GraphViz as GV
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import qualified Data.GraphViz.Attributes.Complete as GVA
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@ -27,7 +27,7 @@ import Data.Function(on)
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import qualified Data.Graph.Inductive as ING
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import Data.Graph.Inductive.PatriciaTree (Gr)
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import Data.List(find, minimumBy)
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import Data.Maybe(isNothing, fromMaybe)
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import Data.Maybe(catMaybes, isNothing, fromMaybe)
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import Data.Typeable(Typeable)
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--import qualified Data.GraphViz.Types
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@ -353,20 +353,26 @@ rotateNodes positionMap graph
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-- END rotateNodes --
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drawLambdaRegions :: SpecialBackend b Double =>
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drawLambdaRegions :: forall b . SpecialBackend b Double =>
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[(NamedIcon, SpecialQDiagram b Double)]
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-> SpecialQDiagram b Double
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drawLambdaRegions placedNodes
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= mconcat $ fmap (drawRegion . niIcon . fst) placedNodes
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= mconcat $ fmap (drawRegion [] . fst) placedNodes
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where
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drawRegion (FlatLambdaIcon _ enclosedNames)
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= regionRect enclosedDias
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where
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enclosedDias = fmap findDia enclosedNames
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findDia n1
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= maybe mempty snd
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(find (\(NamedIcon n2 _, _) -> n1 == n2) placedNodes)
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drawRegion _ = mempty
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findDia :: NodeName -> SpecialQDiagram b Double
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findDia n1
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= maybe mempty snd
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(find (\(NamedIcon n2 _, _) -> n1 == n2) placedNodes)
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-- Also draw the region around the icon the lambda is in.
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drawRegion :: [NodeName] -> NamedIcon -> SpecialQDiagram b Double
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drawRegion parentNames icon = case icon of
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NamedIcon _ (FlatLambdaIcon _ enclosedNames)
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-> regionRect $ fmap findDia (parentNames <> enclosedNames)
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NamedIcon parentName (NestedApply _ headIcon icons)
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-> mconcat
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$ drawRegion (parentName:parentNames) <$> catMaybes (headIcon:icons)
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_ -> mempty
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-- TODO Use something better than a rectangle
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regionRect dias
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1
todo.md
1
todo.md
@ -2,7 +2,6 @@
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## Todo Now
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* Remove port number magic numbers in GraphAlgorithms.hs.
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* Fix embedded lambdas missing their enclosures.
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* Add command line flags for color style, embedding, and whether to draw arrowheads.
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* Add wiki pages discussing: Why a visual language?, History of Glance, How to contribute, Code guide [code style, ...], etc..
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