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Use type applications to supply the list of typeclasses for someParser.

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This commit is contained in:
Rob Rix 2018-05-11 16:43:53 -04:00
parent eb41652cbd
commit bcb889f85d
3 changed files with 13 additions and 14 deletions
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23
src/Parsing/Parser.hs
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@ -1,4 +1,4 @@
{-# LANGUAGE ConstraintKinds, DataKinds, GADTs, RankNTypes, ScopedTypeVariables, TypeFamilies, TypeOperators #-}
{-# LANGUAGE AllowAmbiguousTypes, ConstraintKinds, GADTs, RankNTypes, ScopedTypeVariables, TypeFamilies, TypeOperators #-}
module Parsing.Parser
( Parser(..)
, SomeParser(..)
@ -116,18 +116,17 @@ someParser :: ( ApplyAll typeclasses (Sum Go.Syntax)
, ApplyAll typeclasses (Sum TypeScript.Syntax)
, ApplyAll typeclasses (Sum PHP.Syntax)
)
=> proxy typeclasses -- ^ A proxy for the list of typeclasses required, e.g. @(Proxy :: Proxy '[Show1])@.
-> Language -- ^ The 'Language' to select.
=> Language -- ^ The 'Language' to select.
-> SomeParser typeclasses (Record Location) -- ^ A 'SomeParser' abstracting the syntax type to be produced.
someParser _ Go = SomeParser goParser
someParser _ JavaScript = SomeParser typescriptParser
someParser _ JSON = SomeParser jsonParser
someParser _ JSX = SomeParser typescriptParser
someParser _ Markdown = SomeParser markdownParser
someParser _ Python = SomeParser pythonParser
someParser _ Ruby = SomeParser rubyParser
someParser _ TypeScript = SomeParser typescriptParser
someParser _ PHP = SomeParser phpParser
someParser Go = SomeParser goParser
someParser JavaScript = SomeParser typescriptParser
someParser JSON = SomeParser jsonParser
someParser JSX = SomeParser typescriptParser
someParser Markdown = SomeParser markdownParser
someParser Python = SomeParser pythonParser
someParser Ruby = SomeParser rubyParser
someParser TypeScript = SomeParser typescriptParser
someParser PHP = SomeParser phpParser
goParser :: Parser Go.Term

2
src/Semantic/Diff.hs
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@ -26,7 +26,7 @@ diffBlobPairs renderer blobs = distributeFoldMap (WrapTask . diffBlobPair render
-- | A task to parse a pair of 'Blob's, diff them, and render the 'Diff'.
diffBlobPair :: Members '[Distribute WrappedTask, Task, Telemetry, Exc SomeException, IO] effs => DiffRenderer output -> BlobPair -> Eff effs output
diffBlobPair renderer blobs
| Just (SomeParser parser) <- someParser (Proxy :: Proxy '[ConstructorName, Diffable, Eq1, GAlign, HasDeclaration, IdentifierName, Show1, ToJSONFields1, Traversable]) <$> effectiveLanguage
| Just (SomeParser parser) <- someParser @'[ConstructorName, Diffable, Eq1, GAlign, HasDeclaration, IdentifierName, Show1, ToJSONFields1, Traversable] <$> effectiveLanguage
= case renderer of
ToCDiffRenderer -> run (WrapTask . (\ blob -> parse parser blob >>= decorate (declarationAlgebra blob))) diffTerms renderToCDiff
JSONDiffRenderer -> run (WrapTask . ( parse parser >=> decorate constructorLabel >=> decorate identifierLabel)) diffTerms renderJSONDiff

2
src/Semantic/Parse.hs
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@ -21,7 +21,7 @@ parseBlobs renderer blobs = distributeFoldMap (WrapTask . parseBlob renderer) bl
-- | A task to parse a 'Blob' and render the resulting 'Term'.
parseBlob :: Members '[Task, Exc SomeException] effs => TermRenderer output -> Blob -> Eff effs output
parseBlob renderer blob@Blob{..}
| Just (SomeParser parser) <- someParser (Proxy :: Proxy '[ConstructorName, HasPackageDef, HasDeclaration, IdentifierName, Foldable, Functor, ToJSONFields1]) <$> blobLanguage
| Just (SomeParser parser) <- someParser @'[ConstructorName, HasPackageDef, HasDeclaration, IdentifierName, Foldable, Functor, ToJSONFields1] <$> blobLanguage
= parse parser blob >>= case renderer of
JSONTermRenderer -> decorate constructorLabel >=> decorate identifierLabel >=> render (renderJSONTerm blob)
SExpressionTermRenderer -> serialize SExpression