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Merge branch 'new-expressions' of https://github.com/github/semantic into new-expressions

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This commit is contained in:
joshvera 2018-12-13 17:22:57 -05:00
commit 9be3403d21
8 changed files with 28 additions and 21 deletions
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2
src/Data/Abstract/Evaluatable.hs
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@ -172,7 +172,7 @@ defineSelf :: ( AbstractValue term address value m
)
=> Evaluator term address value m ()
defineSelf = do
let self = Declaration $ X.name "__self"
let self = Declaration X.__semantic_self
-- TODO: Should `self` be given a special Relation?
declare self Default emptySpan Nothing
slot <- lookupDeclaration self

4
src/Data/Abstract/Name.hs
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@ -6,6 +6,7 @@ module Data.Abstract.Name
, name
, nameI
, formatName
, __semantic_self
) where
import Control.Effect
@ -70,3 +71,6 @@ instance Hashable Name where
instance ToJSON Name where
toJSON = toJSON . formatName
toEncoding = toEncoding . formatName
__semantic_self :: Name
__semantic_self = name "__self"

4
src/Data/Abstract/Value/Concrete.hs
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@ -94,7 +94,7 @@ instance ( FreeVariables term
Abstract.BuiltIn associatedScope builtIn k -> runEvaluator $ do
val <- closure Nothing [] (Left builtIn) associatedScope
Evaluator $ runFunctionC (k val) eval
Abstract.Bind obj@(Object frame) (Closure packageInfo moduleInfo name _ names body scope parentFrame) k ->
Abstract.Bind obj (Closure packageInfo moduleInfo name _ names body scope parentFrame) k ->
runFunctionC (k (Closure packageInfo moduleInfo name (Just obj) names body scope parentFrame)) eval
Abstract.Bind _ value k -> runFunctionC (k value) eval
Abstract.Call op params k -> runEvaluator $ do
@ -111,7 +111,7 @@ instance ( FreeVariables term
withScopeAndFrame frameAddress $ do
case maybeThis of
Just object -> do
slot <- lookupDeclaration (Declaration $ name "__self")
slot <- lookupDeclaration (Declaration __semantic_self)
assign slot object
Nothing -> pure ()
for_ (zip names params) $ \(name, param) -> do

5
src/Data/Syntax/Declaration.hs
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@ -13,7 +13,7 @@ import Prologue
import Proto3.Suite.Class
import Reprinting.Tokenize hiding (Superclass)
import Data.Span (emptySpan)
import Data.Abstract.Name as Name
import Data.Abstract.Name (__semantic_self)
data Function a = Function { functionContext :: ![a], functionName :: !a, functionParameters :: ![a], functionBody :: !a }
deriving (Eq, Ord, Show, Foldable, Traversable, Functor, Generic1, Hashable1, ToJSONFields1, Named1, Message1, NFData1)
@ -91,9 +91,8 @@ instance Evaluatable Method where
associatedScope <- declareFunction name span
params <- withScope associatedScope $ do
let self = Name.name "__self"
-- TODO: Should we give `self` a special Relation?
declare (Declaration self) Default emptySpan Nothing
declare (Declaration __semantic_self) Default emptySpan Nothing
for methodParameters $ \paramNode -> do
param <- maybeM (throwEvalError $ NoNameError paramNode) (declaredName paramNode)
param <$ declare (Declaration param) Default span Nothing

5
src/Data/Syntax/Expression.hs
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@ -701,6 +701,5 @@ instance Ord1 This where liftCompare = genericLiftCompare
instance Show1 This where liftShowsPrec = genericLiftShowsPrec
instance Evaluatable This where
eval _ _ This = do
let name = Name.name "__self"
reference (Reference name) (Declaration name)
deref =<< lookupDeclaration (Declaration name)
reference (Reference __semantic_self) (Declaration __semantic_self)
deref =<< lookupDeclaration (Declaration __semantic_self)

2
src/Language/Ruby/Syntax.hs
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@ -76,7 +76,7 @@ instance Evaluatable Send where
Nothing ->
pure (Name.name "call")
let self = lookupDeclaration (Declaration $ Name.name "__self") >>= deref
let self = lookupDeclaration (Declaration __semantic_self) >>= deref
lhsValue <- maybe self eval sendReceiver
lhsFrame <- Abstract.scopedEnvironment lhsValue

23
test/Analysis/TypeScript/Spec.hs
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@ -101,7 +101,7 @@ spec config = parallel $ do
(_, (_, res)) <- evaluate ["void.ts"]
case ModuleTable.lookup "void.ts" <$> res of
Right (Just (Module _ (_, value))) -> value `shouldBe` Null
other -> expectationFailure (show other)
other -> expectationFailure (show other)
it "evaluates delete" $ do
(scopeGraph, (heap, res)) <- evaluate ["delete.ts"]
@ -124,39 +124,44 @@ spec config = parallel $ do
it "evaluates BOr statements" $ do
(_, (_, res)) <- evaluate ["bor.ts"]
case ModuleTable.lookup "bor.ts" <$> res of
Right (Just (Module _ (_, value))) ->
value `shouldBe` Value.Integer (Number.Integer 3)
other -> expectationFailure (show other)
Right (Just (Module _ (_, value))) -> value `shouldBe` Value.Integer (Number.Integer 3)
other -> expectationFailure (show other)
it "evaluates BAnd statements" $ do
(_, (_, res)) <- evaluate ["band.ts"]
case ModuleTable.lookup "band.ts" <$> res of
Right (Just (Module _ (_, value))) -> value `shouldBe` Value.Integer (Number.Integer 0)
other -> expectationFailure (show other)
other -> expectationFailure (show other)
it "evaluates BXOr statements" $ do
(_, (_, res)) <- evaluate ["bxor.ts"]
case ModuleTable.lookup "bxor.ts" <$> res of
Right (Just (Module _ (_, value))) -> value `shouldBe` Value.Integer (Number.Integer 3)
other -> expectationFailure (show other)
other -> expectationFailure (show other)
it "evaluates LShift statements" $ do
(_, (_, res)) <- evaluate ["lshift.ts"]
case ModuleTable.lookup "lshift.ts" <$> res of
Right (Just (Module _ (_, value))) -> value `shouldBe` Value.Integer (Number.Integer 4)
other -> expectationFailure (show other)
other -> expectationFailure (show other)
it "evaluates RShift statements" $ do
(_, (_, res)) <- evaluate ["rshift.ts"]
case ModuleTable.lookup "rshift.ts" <$> res of
Right (Just (Module _ (_, value))) -> value `shouldBe` Value.Integer (Number.Integer 0)
other -> expectationFailure (show other)
other -> expectationFailure (show other)
it "evaluates Complement statements" $ do
(_, (_, res)) <- evaluate ["complement.ts"]
case ModuleTable.lookup "complement.ts" <$> res of
Right (Just (Module _ (_, value))) -> value `shouldBe` Value.Integer (Number.Integer (-2))
other -> expectationFailure (show other)
other -> expectationFailure (show other)
it "uniquely tracks public fields for instances" $ do
(scopeGraph, (heap, res)) <- evaluate ["class1.ts", "class2.ts"]
case ModuleTable.lookup "class1.ts" <$> res of
Right (Just (Module _ (_, value))) -> value `shouldBe` (float 9.0)
other -> expectationFailure (show other)
where

4
test/Control/Abstract/Evaluator/Spec.hs
View File

@ -35,9 +35,9 @@ spec = parallel $ do
let lexicalEdges = Map.singleton Lexical [ currentScope' ]
x = SpecHelpers.name "x"
associatedScope <- newScope lexicalEdges
declare (ScopeGraph.Declaration "identity") emptySpan (Just associatedScope)
declare (ScopeGraph.Declaration "identity") Default emptySpan (Just associatedScope)
withScope associatedScope $ do
declare (Declaration x) emptySpan Nothing
declare (Declaration x) Default emptySpan Nothing
identity <- function "identity" [ x ]
(SpecEff (Heap.lookupDeclaration (ScopeGraph.Declaration (SpecHelpers.name "x")) >>= deref)) associatedScope
val <- pure (integer 123)