Major overhaul
Can now parse a much larger part of the language. The reference finding mechanism now seems more robust / less hacky. Bugs remain, however!
This commit is contained in:
parent
a0c574b53a
commit
f8163f99c7
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@ -9,7 +9,8 @@ module Data.Language.Ruby
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import Data.Aeson (eitherDecode)
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import Data.ByteString.Lazy (ByteString)
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import Data.Language.Ruby.AST
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import Frelude
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import Frelude hiding (String)
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import qualified Frelude
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import System.IO (hFlush)
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import System.IO.Temp (withSystemTempFile)
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import System.Process (readProcess)
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@ -20,16 +21,16 @@ decodeFail s = case eitherDecode s of
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Left err -> Frelude.fail err
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Right a -> pure a
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runRubyParseFile :: FilePath -> IO String
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runRubyParseFile :: FilePath -> IO Frelude.String
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runRubyParseFile p = sh "ruby-parse" ["--emit-json", "--25", p]
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runRubyParse :: ByteString -> IO String
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runRubyParse :: ByteString -> IO Frelude.String
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runRubyParse s = withSystemTempFile "rubyhs" $ \p h -> do
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ByteString.hPut h s
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hFlush h
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runRubyParseFile p
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sh :: String -> [String] -> IO String
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sh :: Frelude.String -> [Frelude.String] -> IO Frelude.String
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sh cmd a = readProcess cmd a mempty
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parseFile :: FromJSON a => FilePath -> IO a
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@ -1,30 +1,39 @@
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{-# LANGUAGE DuplicateRecordFields, OverloadedLists #-}
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{-# OPTIONS_GHC -Wall #-}
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module Data.Language.Ruby.AST
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( Args(..)
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, Begin(..)
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( Begin(..)
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, Statement(..)
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, Function(..)
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, Def(..)
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, Module(..)
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, Name(..)
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, Send(..)
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, Namespace(..)
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, Const(..)
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, Block(..)
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, Casgn(..)
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, RArray(..)
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, RArgs(..)
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, Array(..)
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, Args(..)
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, Anything(..)
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, Sym(..)
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, String(..)
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, Str(..)
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, Lvasgn(..)
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, Lvar(..)
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, Ivar(..)
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, Atom(..)
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, Defs(..)
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, Self(..)
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, Nil(..)
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, Cbase
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) where
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import Data.Aeson (parseJSON, Value(..), withArray)
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import Frelude
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import Data.Aeson (parseJSON, Value(Null,Object,Number,Bool), withArray)
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import Frelude hiding (String)
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import qualified Frelude
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import qualified Data.Aeson.Types as Aeson
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import qualified Data.Vector as Vector
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import Data.Coerce
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import Data.Word
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kebabCase :: String -> String
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kebabCase :: Frelude.String -> Frelude.String
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kebabCase = Aeson.camelTo2 '-'
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aesonOptions :: Aeson.Options
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@ -46,19 +55,27 @@ deriving newtype instance Monoid Begin
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instance FromJSON Begin where
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parseJSON = withArray "Begin" $ \as -> case Vector.toList as of
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(String "begin":xs) -> Begin <$> traverse parseJSON xs
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_ -> Begin . pure <$> parseJSON (Array as)
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(Aeson.String "begin":xs) -> Begin <$> traverse parseJSON xs
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_ -> Begin . pure <$> parseJSON (Aeson.Array as)
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-- Should be 'expression'
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data Statement
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= StmtModule Module
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| StmtFunction Function
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| StmtDef Def
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| StmtDefs Defs
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| StmtSend Send
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| StmtBlock Block
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| StmtConst Namespace
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| StmtConst Const
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| StmtCasgn Casgn
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| StmtArray RArray
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| StmtArray Array
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| StmtSym Sym
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| StmtStr Str
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| StmtLvasgn Lvasgn
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| StmtLvar Lvar
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| StmtIvar Ivar
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| StmtSelf Self
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| StmtNil Nil
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| StmtCbase Cbase
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-- TODO Get rid of this
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| StmtAnything Anything
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@ -72,29 +89,47 @@ instance ToJSON Statement where
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opts = aesonOptions { Aeson.constructorTagModifier = go }
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go = \case
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"StmtModule" -> "module"
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"StmtFunction" -> "function"
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"StmtDef" -> "def"
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"StmtDefs" -> "defs"
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"StmtSend" -> "send"
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"StmtBlock" -> "block"
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"StmtConst" -> "const"
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"StmtCasgn" -> "casgn"
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"StmtArray" -> "array"
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"StmtSym" -> "sym"
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"StmtStr" -> "str"
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"StmtLvasgn" -> "lvasgn"
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"StmtLvar" -> "lvar"
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"StmtIvar" -> "ivar"
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"StmtSelf" -> "self"
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"StmtNil" -> "nil"
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"StmtCbase" -> "cbase"
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x -> x
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instance FromJSON Statement where
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parseJSON v
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= (StmtModule <$> parseJSON v)
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<|> (StmtFunction <$> parseJSON v)
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<|> (StmtDef <$> parseJSON v)
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<|> (StmtDefs <$> parseJSON v)
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<|> (StmtSend <$> parseJSON v)
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<|> (StmtBlock <$> parseJSON v)
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<|> (StmtBlock <$> parseJSON v)
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<|> (StmtConst <$> parseJSON v)
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<|> (StmtCasgn <$> parseJSON v)
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<|> (StmtArray <$> parseJSON v)
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<|> (StmtSym <$> parseJSON v)
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<|> (StmtStr <$> parseJSON v)
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<|> (StmtLvasgn <$> parseJSON v)
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<|> (StmtLvar <$> parseJSON v)
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<|> (StmtIvar <$> parseJSON v)
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<|> (StmtSelf <$> parseJSON v)
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<|> (StmtNil <$> parseJSON v)
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<|> (StmtCbase <$> parseJSON v)
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<|> (StmtAnything <$> parseJSON v)
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data Casgn = Casgn
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{ name :: Name
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, statement :: Statement
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{ context :: Statement
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, atom :: Atom
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, rhs :: Statement
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}
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deriving stock instance Show Casgn
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deriving stock instance Ord Casgn
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@ -104,26 +139,27 @@ instance ToJSON Casgn where
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toEncoding = Aeson.genericToEncoding aesonOptions
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instance FromJSON Casgn where
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parseJSON = withArray "Module" $ \case
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[String "casgn", _, name, statement]
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[Aeson.String "casgn", context, atom, rhs]
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-> Casgn
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<$> parseJSON name
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<*> parseJSON statement
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<$> parseJSON context
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<*> parseJSON atom
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<*> parseJSON rhs
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_ -> empty
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data RArray = RArray
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data Array = Array
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{ statements :: [Statement]
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}
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deriving stock instance Show RArray
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deriving stock instance Ord RArray
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deriving stock instance Eq RArray
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deriving stock instance Generic RArray
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instance ToJSON RArray where
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deriving stock instance Show Array
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deriving stock instance Ord Array
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deriving stock instance Eq Array
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deriving stock instance Generic Array
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instance ToJSON Array where
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toEncoding = Aeson.genericToEncoding aesonOptions
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instance FromJSON RArray where
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parseJSON = withArray "RArray" $ \as -> case Vector.toList as of
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String "array":xs
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-> RArray
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instance FromJSON Array where
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parseJSON = withArray "Array" $ \as -> case Vector.toList as of
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Aeson.String "array":xs
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-> Array
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<$> traverse parseJSON xs
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_ -> empty
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@ -143,7 +179,7 @@ deriving newtype instance FromJSON Anything
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-- end
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data Block = Block
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{ send :: Send
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, args :: RArgs
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, args :: Args
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, begin :: Begin
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}
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@ -155,7 +191,7 @@ instance ToJSON Block where
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toEncoding = Aeson.genericToEncoding aesonOptions
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instance FromJSON Block where
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parseJSON = withArray "Block" $ \as -> case Vector.toList as of
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(String "block":send:args:begin:[])
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[Aeson.String "block",send,args,begin]
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-> Block
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<$> parseJSON send
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<*> parseJSON args
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@ -165,17 +201,17 @@ instance FromJSON Block where
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-- | It's super confusing that I've already defined a node in my AST
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-- called args. This one correspond to the AST node with the label
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-- "args" as reported by `ruby-parse`.
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newtype RArgs = RArgs [Arg]
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newtype Args = Args [Arg]
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deriving stock instance Show RArgs
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deriving stock instance Ord RArgs
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deriving stock instance Eq RArgs
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deriving stock instance Generic RArgs
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instance ToJSON RArgs where
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deriving stock instance Show Args
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deriving stock instance Ord Args
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deriving stock instance Eq Args
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deriving stock instance Generic Args
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instance ToJSON Args where
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toEncoding = Aeson.genericToEncoding aesonOptions
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instance FromJSON RArgs where
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parseJSON = withArray "RArgs" $ \as -> case Vector.toList as of
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(String "args":xs) -> RArgs <$> traverse parseJSON xs
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instance FromJSON Args where
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parseJSON = withArray "Args" $ \as -> case Vector.toList as of
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(Aeson.String "args":xs) -> Args <$> traverse parseJSON xs
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_ -> empty
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data Arg = Arg Atom | KWArg Atom
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@ -195,8 +231,8 @@ instance ToJSON Arg where
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instance FromJSON Arg where
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parseJSON = withArray "Arg" $ \as -> case Vector.toList as of
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[String "arg" , symbol] -> Arg <$> parseJSON symbol
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[String "kwarg" , symbol] -> KWArg <$> parseJSON symbol
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[Aeson.String "arg" , symbol] -> Arg <$> parseJSON symbol
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[Aeson.String "kwarg" , symbol] -> KWArg <$> parseJSON symbol
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_ -> empty
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newtype Atom = Atom Text
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@ -210,30 +246,30 @@ instance ToJSON Atom where
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instance FromJSON Atom where
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parseJSON = \case
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String s -> pure $ Atom s
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Aeson.String s -> pure $ Atom s
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_ -> empty
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newtype Namespace = Namespace [Name]
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data Const = Const
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{ context :: Statement
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, atom :: Atom
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}
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deriving newtype instance Semigroup Namespace
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deriving newtype instance Monoid Namespace
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deriving stock instance Show Namespace
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deriving stock instance Ord Namespace
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deriving stock instance Eq Namespace
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deriving stock instance Generic Namespace
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instance ToJSON Namespace where
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deriving stock instance Show Const
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deriving stock instance Ord Const
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deriving stock instance Eq Const
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deriving stock instance Generic Const
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instance ToJSON Const where
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toEncoding = Aeson.genericToEncoding aesonOptions
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instance FromJSON Namespace where
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parseJSON = \case
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Null -> pure mempty
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Array [String "const", namespace, String name] -> (<> Namespace [Name $ String name]) <$> parseJSON namespace
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instance FromJSON Const where
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parseJSON = withArray "Send" $ \case -- \ as -> case Vector.toList as of
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[Aeson.String "const", context, atom] -> Const <$> parseJSON context <*> parseJSON atom
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_ -> empty
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data Send = Send
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{ args :: Args
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, namespace :: Namespace
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, name :: Name
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{ context :: Statement
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, atom :: Atom
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, args :: [Statement]
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}
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deriving stock instance Show Send
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@ -245,15 +281,15 @@ instance ToJSON Send where
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instance FromJSON Send where
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parseJSON = withArray "Send" $ \ as -> case Vector.toList as of
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(String "send" : namespace : name : args)
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(Aeson.String "send" : context : atom : args)
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-> Send
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<$> parseJSON (Array $ Vector.fromList args)
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<*> parseJSON namespace
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<*> parseJSON name
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<$> parseJSON context
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<*> parseJSON atom
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<*> parseJSON (Aeson.Array $ Vector.fromList args)
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_ -> empty
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data Module = Module
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{ name :: Name
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{ name :: Const
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, begin :: Begin
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}
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@ -266,11 +302,11 @@ instance ToJSON Module where
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instance FromJSON Module where
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parseJSON = withArray "Module" $ \case
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[String "module", name, begin]
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[Aeson.String "module", name, begin]
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-> Module
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<$> parseJSON name
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<*> parseMaybe begin
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[String "class", name, _, begin]
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[Aeson.String "class", name, _, begin]
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-> Module
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<$> parseJSON name
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<*> parseMaybe begin
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@ -281,55 +317,67 @@ parseMaybe = \case
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Null -> pure mempty
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x -> parseJSON x
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data Function = Function
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{ name :: Name
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, args :: RArgs
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data Def = Def
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{ atom :: Atom
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, args :: Args
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, begin :: Begin
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}
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deriving stock instance Show Function
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deriving stock instance Ord Function
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deriving stock instance Eq Function
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deriving stock instance Generic Function
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instance ToJSON Function where
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deriving stock instance Show Def
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deriving stock instance Ord Def
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deriving stock instance Eq Def
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deriving stock instance Generic Def
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instance ToJSON Def where
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toEncoding = Aeson.genericToEncoding aesonOptions
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data Args = Args [Statement]
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deriving stock instance Show Args
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deriving stock instance Ord Args
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deriving stock instance Eq Args
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deriving stock instance Generic Args
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instance ToJSON Args where
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toEncoding = Aeson.genericToEncoding aesonOptions
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instance FromJSON Args where
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parseJSON = withArray "Args" $ \xs -> Args <$> traverse parseJSON (toList xs)
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instance FromJSON Function where
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parseJSON = withArray "Function" $ \case
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[String "def", name, args, begin]
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-> Function
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instance FromJSON Def where
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parseJSON = withArray "Def" $ \case
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[Aeson.String "def", name, args, begin]
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-> Def
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<$> parseJSON name
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<*> parseJSON args
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<*> parseMaybe begin
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_ -> empty
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newtype Name = Name Value
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-- | N.B.: 'Defs' is not meant to be the plural form of 'Def'!
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data Defs = Defs
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-- Is it really possible to put an arbitrary expression here? The
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-- parser certainly allows it. E.g. defining
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--
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-- def (2+2).f
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-- end
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--
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-- Raises the error "can't define singleton (TypeError)". We'll
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-- permit it in the parser and kick the puck down the road.
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{ context :: Statement
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, atom :: Atom
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, args :: Args
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, begin :: Begin
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}
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deriving stock instance Show Name
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instance Ord Name where
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compare = coerce compareValue
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deriving stock instance Eq Name
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deriving newtype instance ToJSON Name
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deriving newtype instance FromJSON Name
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deriving stock instance Show Defs
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deriving stock instance Ord Defs
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deriving stock instance Eq Defs
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deriving stock instance Generic Defs
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instance ToJSON Defs where
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toEncoding = Aeson.genericToEncoding aesonOptions
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instance FromJSON Defs where
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parseJSON = withArray "Defs" $ \case
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[Aeson.String "defs", ctxt, atom, args, begin]
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-> Defs
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<$> parseJSON ctxt
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<*> parseJSON atom
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<*> parseJSON args
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<*> parseMaybe begin
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_ -> empty
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compareValue :: Aeson.Value -> Aeson.Value -> Ordering
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compareValue v0 v1 = case (v0, v1) of
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-- This case is buggy:
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(Object o0, Object o1) -> compare (fst <$> toList o0) (fst <$> toList o1)
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(Array a0, Array a1) -> foldMap (uncurry compareValue) $ zip (toList a0) (toList a1)
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(String s0, String s1) -> compare s0 s1
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(Aeson.Array a0, Aeson.Array a1) -> foldMap (uncurry compareValue) $ zip (toList a0) (toList a1)
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(Aeson.String s0, Aeson.String s1) -> compare s0 s1
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(Number n0, Number n1) -> compare n0 n1
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(Bool b0, Bool b1) -> compare b0 b1
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(Null, Null) -> EQ
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@ -339,8 +387,8 @@ compareValue v0 v1 = case (v0, v1) of
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cons :: Aeson.Value -> Word8
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cons = \case
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Object{} -> 0
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Array{} -> 1
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String{} -> 2
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Aeson.Array{} -> 1
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Aeson.String{} -> 2
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Number{} -> 3
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Bool{} -> 4
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Null{} -> 5
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@ -355,5 +403,113 @@ instance ToJSON Sym where
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toEncoding = Aeson.genericToEncoding aesonOptions
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instance FromJSON Sym where
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parseJSON = withArray "Sym" $ \case
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[String "sym", atom] -> Sym <$> parseJSON atom
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[Aeson.String "sym", atom] -> Sym <$> parseJSON atom
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_ -> empty
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newtype String = String Text
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deriving stock instance Show String
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deriving newtype instance Ord String
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deriving stock instance Eq String
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deriving stock instance Generic String
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deriving newtype instance ToJSON String
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deriving newtype instance FromJSON String
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newtype Str = Str String
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deriving stock instance Show Str
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deriving newtype instance Ord Str
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deriving stock instance Eq Str
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deriving stock instance Generic Str
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instance ToJSON Str where
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toEncoding = Aeson.genericToEncoding aesonOptions
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instance FromJSON Str where
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parseJSON = withArray "Str" $ \case
|
||||
[Aeson.String "str", atom] -> Str <$> parseJSON atom
|
||||
_ -> empty
|
||||
|
||||
data Lvasgn = Lvasgn
|
||||
{ atom :: Atom
|
||||
, statement :: Statement
|
||||
}
|
||||
|
||||
deriving stock instance Show Lvasgn
|
||||
deriving stock instance Ord Lvasgn
|
||||
deriving stock instance Eq Lvasgn
|
||||
deriving stock instance Generic Lvasgn
|
||||
instance ToJSON Lvasgn where
|
||||
toEncoding = Aeson.genericToEncoding aesonOptions
|
||||
instance FromJSON Lvasgn where
|
||||
parseJSON = withArray "Lvasgn" $ \case
|
||||
[Aeson.String "lvasgn", atom, statement] -> Lvasgn <$> parseJSON atom <*> parseJSON statement
|
||||
_ -> empty
|
||||
|
||||
data Lvar = Lvar
|
||||
{ atom :: Atom
|
||||
}
|
||||
|
||||
deriving stock instance Show Lvar
|
||||
deriving stock instance Ord Lvar
|
||||
deriving stock instance Eq Lvar
|
||||
deriving stock instance Generic Lvar
|
||||
instance ToJSON Lvar where
|
||||
toEncoding = Aeson.genericToEncoding aesonOptions
|
||||
instance FromJSON Lvar where
|
||||
parseJSON = withArray "Lvar" $ \case
|
||||
[Aeson.String "lvar", atom] -> Lvar <$> parseJSON atom
|
||||
_ -> empty
|
||||
|
||||
data Ivar = Ivar
|
||||
{ atom :: Atom
|
||||
}
|
||||
|
||||
deriving stock instance Show Ivar
|
||||
deriving stock instance Ord Ivar
|
||||
deriving stock instance Eq Ivar
|
||||
deriving stock instance Generic Ivar
|
||||
instance ToJSON Ivar where
|
||||
toEncoding = Aeson.genericToEncoding aesonOptions
|
||||
instance FromJSON Ivar where
|
||||
parseJSON = withArray "Ivar" $ \case
|
||||
[Aeson.String "ivar", atom] -> Ivar <$> parseJSON atom
|
||||
_ -> empty
|
||||
|
||||
data Self = Self
|
||||
|
||||
deriving stock instance Show Self
|
||||
deriving stock instance Ord Self
|
||||
deriving stock instance Eq Self
|
||||
deriving stock instance Generic Self
|
||||
instance ToJSON Self where
|
||||
toEncoding = Aeson.genericToEncoding aesonOptions
|
||||
instance FromJSON Self where
|
||||
parseJSON = withArray "Self" $ \case
|
||||
[Aeson.String "self"] -> pure Self
|
||||
_ -> empty
|
||||
|
||||
|
||||
data Cbase = Cbase
|
||||
|
||||
deriving stock instance Show Cbase
|
||||
deriving stock instance Ord Cbase
|
||||
deriving stock instance Eq Cbase
|
||||
deriving stock instance Generic Cbase
|
||||
instance ToJSON Cbase where
|
||||
toEncoding = Aeson.genericToEncoding aesonOptions
|
||||
instance FromJSON Cbase where
|
||||
parseJSON = withArray "Cbase" $ \case
|
||||
[Aeson.String "cbase"] -> pure Cbase
|
||||
_ -> empty
|
||||
|
||||
|
||||
data Nil = Nil
|
||||
|
||||
deriving stock instance Show Nil
|
||||
deriving stock instance Ord Nil
|
||||
deriving stock instance Eq Nil
|
||||
deriving stock instance Generic Nil
|
||||
instance ToJSON Nil where
|
||||
toJSON = pure Aeson.Null
|
||||
instance FromJSON Nil where
|
||||
parseJSON = \case
|
||||
Aeson.Null -> pure Nil
|
||||
_ -> empty
|
||||
|
|
|
|||
|
|
@ -1,13 +1,11 @@
|
|||
{-# LANGUAGE DuplicateRecordFields, OverloadedLists, InstanceSigs #-}
|
||||
-- {-# OPTIONS_GHC -Wall #-}
|
||||
{-# OPTIONS_GHC -Wall #-}
|
||||
module Rubyhs.References
|
||||
( References(entries)
|
||||
, Entry(..)
|
||||
, FQN(..)
|
||||
, references
|
||||
, Env(..)
|
||||
, Result(..)
|
||||
, Namespace(..)
|
||||
, Context(..)
|
||||
, graph
|
||||
, prettyContext
|
||||
|
|
@ -15,7 +13,7 @@ module Rubyhs.References
|
|||
) where
|
||||
|
||||
import Frelude
|
||||
import Data.Language.Ruby hiding (Namespace)
|
||||
-- import Data.Language.Ruby hiding (context)
|
||||
import qualified Data.Language.Ruby as Ruby
|
||||
import Data.Map (Map)
|
||||
import qualified Data.Map as Map
|
||||
|
|
@ -34,18 +32,13 @@ span (g, f, _) = fmap ((\(x, _, _) -> x) . f) <$> Graph.dff g
|
|||
|
||||
type G node key = (Graph, Vertex -> (node, key, [key]), key -> Maybe Vertex)
|
||||
|
||||
graph :: Begin -> Forest Node
|
||||
graph :: Ruby.Begin -> Forest Node
|
||||
graph b = span $ Graph.graphFromEdges $ go <$> toList ys
|
||||
where
|
||||
go :: (Node, Set Node) -> (Node, Text, [Text])
|
||||
go (x, xs) = (x, prettyContext x, prettyContext <$> toList xs)
|
||||
Result ys = references b
|
||||
|
||||
data Entry a = Entry
|
||||
{ node :: a
|
||||
, fqn :: FQN
|
||||
}
|
||||
|
||||
newtype Namespace = Namespace [Text]
|
||||
deriving stock instance Show Namespace
|
||||
deriving stock instance Eq Namespace
|
||||
|
|
@ -68,7 +61,7 @@ data FQN = FQN
|
|||
, name :: Text
|
||||
}
|
||||
|
||||
data Node = NodeFunction FQN | NodeModule Namespace
|
||||
data Node = NodeDef FQN | NodeModule Namespace
|
||||
|
||||
deriving stock instance Show Node
|
||||
deriving stock instance Eq Node
|
||||
|
|
@ -76,7 +69,7 @@ deriving stock instance Ord Node
|
|||
|
||||
instance ToJSON Node where
|
||||
toJSON = \case
|
||||
NodeFunction q -> Aeson.toJSON q
|
||||
NodeDef q -> Aeson.toJSON q
|
||||
NodeModule m -> Aeson.toJSON m
|
||||
|
||||
deriving stock instance Show FQN
|
||||
|
|
@ -101,6 +94,13 @@ newtype Context = Context Node
|
|||
deriving stock instance Eq Context
|
||||
deriving stock instance Ord Context
|
||||
deriving newtype instance ToJSON Context
|
||||
-- HACK: Not really a semigroup as is evident from the implementation.
|
||||
instance Semigroup Context where
|
||||
Context c0 <> Context c1 = case (c0, c1) of
|
||||
(NodeModule n0, NodeModule n1) -> Context $ NodeModule $ n0 <> n1
|
||||
(NodeModule n0, NodeDef (FQN n1 f)) -> Context $ NodeDef $ FQN (n0 <> n1) f
|
||||
(NodeDef{}, NodeModule{}) -> error "Cannot append module to function context."
|
||||
(NodeDef{}, NodeDef{}) -> error "Cannot append function to function context."
|
||||
|
||||
class Monad m => MyMonad (m :: Type -> Type) where
|
||||
declaration :: Node -> m ()
|
||||
|
|
@ -123,7 +123,7 @@ instance ToJSON Result where
|
|||
|
||||
prettyContext :: Node -> Text
|
||||
prettyContext = \case
|
||||
NodeFunction fun -> prettyFQN fun
|
||||
NodeDef fun -> prettyFQN fun
|
||||
NodeModule ns -> showNamespace ns
|
||||
|
||||
instance MyMonad (State Env) where
|
||||
|
|
@ -137,13 +137,10 @@ instance MyMonad (State Env) where
|
|||
go env@Env{applications}
|
||||
= env { applications = Map.insertWith mappend c (Set.singleton n) applications }
|
||||
modify go
|
||||
getContext = gets context
|
||||
getContext = gets Rubyhs.References.context
|
||||
writeContext q = modify go
|
||||
where
|
||||
go env = env { context = q }
|
||||
|
||||
updateContext :: MyMonad m => (Context -> Context) -> m ()
|
||||
updateContext f = getContext >>= \c -> writeContext (f c)
|
||||
go env = env { Rubyhs.References.context = q }
|
||||
|
||||
locally :: MyMonad m => m a -> m a
|
||||
locally act = do
|
||||
|
|
@ -152,128 +149,135 @@ locally act = do
|
|||
writeContext old
|
||||
pure res
|
||||
|
||||
appendToContext :: MyMonad m => Name -> m ()
|
||||
appendToContext n = updateContext go
|
||||
where
|
||||
go (Context (NodeModule q)) = Context $ NodeModule $ name2ns n <> q
|
||||
go (Context NodeFunction{}) = error "Cannot append module to context in function context"
|
||||
|
||||
name2ns :: Name -> Namespace
|
||||
name2ns (Name o) = go o
|
||||
where
|
||||
go :: Aeson.Value -> Namespace
|
||||
go = \case
|
||||
Aeson.Array [Aeson.String "const", x, Aeson.String s] -> case x of
|
||||
Aeson.Null -> [s]
|
||||
_ -> go x <> [s]
|
||||
_ -> error $ show o
|
||||
|
||||
class References a where
|
||||
entries :: MyMonad m => a -> m ()
|
||||
|
||||
references :: Begin -> Result
|
||||
references :: Ruby.Begin -> Result
|
||||
references q = Result $ Map.unionWith mappend applications declarations'
|
||||
where
|
||||
Env{declarations,applications} = execState (entries @_ @(State Env) q) emptyEnv
|
||||
emptyEnv = Env mempty mempty (Context $ NodeModule mempty)
|
||||
declarations' = fromList $ (\x -> (x, mempty)) <$> toList declarations
|
||||
|
||||
instance References Begin where
|
||||
entries :: forall m . MyMonad m => Begin -> m ()
|
||||
entries (Begin defs) = traverse_ (locally . entries) defs
|
||||
instance References Ruby.Begin where
|
||||
entries :: forall m . MyMonad m => Ruby.Begin -> m ()
|
||||
entries (Ruby.Begin defs) = traverse_ (locally . entries) defs
|
||||
|
||||
instance References Statement where
|
||||
instance References Ruby.Statement where
|
||||
entries = \case
|
||||
StmtModule m -> entries m
|
||||
StmtFunction f -> entries f
|
||||
StmtSend s -> entries s
|
||||
StmtConst c -> entries c
|
||||
StmtBlock b -> entries b
|
||||
StmtCasgn c -> entries c
|
||||
StmtArray a -> entries a
|
||||
StmtSym s -> entries s
|
||||
StmtAnything a -> entries a
|
||||
Ruby.StmtModule m -> entries m
|
||||
Ruby.StmtDef f -> entries f
|
||||
Ruby.StmtDefs f -> entries f
|
||||
Ruby.StmtSend s -> entries s
|
||||
Ruby.StmtConst c -> entries c
|
||||
Ruby.StmtBlock b -> entries b
|
||||
Ruby.StmtCasgn c -> entries c
|
||||
Ruby.StmtArray a -> entries a
|
||||
Ruby.StmtSym s -> entries s
|
||||
Ruby.StmtStr s -> entries s
|
||||
Ruby.StmtLvasgn a -> entries a
|
||||
Ruby.StmtLvar a -> entries a
|
||||
Ruby.StmtIvar a -> entries a
|
||||
Ruby.StmtSelf s -> entries s
|
||||
Ruby.StmtCbase s -> entries s
|
||||
Ruby.StmtNil n -> entries n
|
||||
Ruby.StmtAnything a -> entries a
|
||||
|
||||
instance References Ruby.Block where
|
||||
entries Block{send,args,begin} = do
|
||||
entries Ruby.Block{send,args,begin} = do
|
||||
entries send
|
||||
entries args
|
||||
entries begin
|
||||
instance References Ruby.RArgs where
|
||||
instance References Ruby.Args where
|
||||
entries = const $ pure ()
|
||||
-- TODO: We have to make a "declaration" for the constant here as
|
||||
-- well!
|
||||
instance References Ruby.Casgn where
|
||||
entries Casgn{name, statement} = entries statement
|
||||
entries Ruby.Casgn{rhs} = entries rhs
|
||||
instance References Ruby.Sym where
|
||||
entries _ = pure ()
|
||||
instance References Ruby.RArray where
|
||||
entries RArray{statements} = traverse_ entries statements
|
||||
instance References Ruby.Str where
|
||||
entries _ = pure ()
|
||||
instance References Ruby.Lvasgn where
|
||||
entries _ = pure ()
|
||||
instance References Ruby.Lvar where
|
||||
entries _ = pure ()
|
||||
instance References Ruby.Ivar where
|
||||
entries _ = pure ()
|
||||
instance References Ruby.Self where
|
||||
entries _ = pure ()
|
||||
instance References Ruby.Cbase where
|
||||
entries _ = pure ()
|
||||
instance References Ruby.Nil where
|
||||
entries _ = pure ()
|
||||
instance References Ruby.Array where
|
||||
entries Ruby.Array{statements} = traverse_ entries statements
|
||||
instance References Ruby.Anything where
|
||||
entries = const $ pure ()
|
||||
|
||||
instance References Ruby.Namespace where
|
||||
entries (Ruby.Namespace xs) = do
|
||||
Context c <- getContext
|
||||
let
|
||||
ctxt = case c of
|
||||
NodeFunction FQN{namespace} -> namespace
|
||||
NodeModule namespace -> namespace
|
||||
-- TODO Hacky:
|
||||
ns = Namespace ((\(Name (Aeson.String t)) -> t) <$> xs)
|
||||
-- TODO: Broken
|
||||
-- application c (NodeModule $ ctxt `onTop` ns)
|
||||
application (NodeModule $ ns)
|
||||
instance References Ruby.Const where
|
||||
entries con = application $ NodeModule $ constToNamespace con
|
||||
|
||||
instance References Module where
|
||||
entries Module{name, begin} = do
|
||||
appendToContext name
|
||||
updateContext :: MyMonad m => (Context -> Context) -> m ()
|
||||
updateContext f = getContext >>= \c -> writeContext (f c)
|
||||
|
||||
instance References Ruby.Module where
|
||||
entries Ruby.Module{name, begin} = do
|
||||
updateContext $ (<>) $ Context $ NodeModule $ constToNamespace name
|
||||
c <- getContext >>= \case
|
||||
Context (NodeModule c) -> pure c
|
||||
_ -> error "..."
|
||||
declaration $ NodeModule c
|
||||
entries begin
|
||||
|
||||
nameToNode :: MyMonad m => Name -> m Node
|
||||
nameToNode name = do
|
||||
atomToNode :: MyMonad m => Ruby.Atom -> m Node
|
||||
atomToNode (Ruby.Atom name) = do
|
||||
namespace <- getContext >>= \case
|
||||
Context (NodeModule c) -> pure c
|
||||
Context NodeFunction{} -> error "Cannot have a function declaration in a function context"
|
||||
pure $ NodeFunction $ qual namespace name
|
||||
-- We could allow this and just say that the function defined in
|
||||
-- another function sits in the same context as the surrounding
|
||||
-- function.
|
||||
Context NodeDef{} -> error "Cannot have a function declaration in a function context"
|
||||
pure $ NodeDef $ FQN namespace name
|
||||
|
||||
instance References Function where
|
||||
entries Function{name, begin} = do
|
||||
node <- nameToNode name
|
||||
instance References Ruby.Def where
|
||||
entries Ruby.Def{atom, begin} = do
|
||||
node <- atomToNode atom
|
||||
declaration node
|
||||
locally $ do
|
||||
writeContext (Context node)
|
||||
entries begin
|
||||
|
||||
qual :: Namespace -> Name -> FQN
|
||||
qual namespace (Name o) = case o of
|
||||
Aeson.String name -> FQN { namespace , name }
|
||||
_ -> error $ show o
|
||||
instance References Ruby.Defs where
|
||||
-- TODO: The field `context` is also relevant here!
|
||||
entries Ruby.Defs{atom, begin}
|
||||
= entries $ Ruby.Def{atom,begin,args=error "hack"}
|
||||
|
||||
qual :: Namespace -> Ruby.Atom -> FQN
|
||||
qual namespace (Ruby.Atom name) = FQN { namespace , name }
|
||||
|
||||
onTop' :: Eq a => [a] -> [a] -> [a]
|
||||
onTop' [] y = y
|
||||
onTop' x [] = x
|
||||
onTop' (x:xss) ys@(y:yss) = if
|
||||
| x == y -> pure x <> yss
|
||||
| otherwise -> pure x <> xss `onTop'` ys
|
||||
instance References Ruby.Send where
|
||||
entries Ruby.Send{context, atom, args} = do
|
||||
application $ NodeDef $ qual (statementToNamespace context) atom
|
||||
traverse_ entries args
|
||||
|
||||
onTop :: Namespace -> Namespace -> Namespace
|
||||
onTop (Namespace xs) (Namespace ys) = Namespace $ reverse $ reverse xs `onTop'` reverse ys
|
||||
statementToNamespace :: Ruby.Statement -> Namespace
|
||||
statementToNamespace = go mempty
|
||||
where
|
||||
go acc = \case
|
||||
Ruby.StmtConst c -> acc <> constToNamespace c
|
||||
-- The nil-case and cbase-case should produce different results,
|
||||
-- surely. `Namespace` may not be a good representation.
|
||||
Ruby.StmtNil{} -> acc
|
||||
Ruby.StmtCbase{} -> acc
|
||||
-- The send-, ivar- and lvar- case cannot be handled because of the way
|
||||
-- we've defined `Namespace`.
|
||||
Ruby.StmtSend{} -> acc
|
||||
Ruby.StmtIvar{} -> acc
|
||||
Ruby.StmtLvar{} -> acc
|
||||
_ -> error "Can only build namespaces from sequences of `const` statements"
|
||||
|
||||
instance References Send where
|
||||
entries Send{namespace, name} = do
|
||||
-- TODO: Broken
|
||||
-- application c $ NodeFunction $ qual (ctxt `onTop` fromNS namespace) name
|
||||
application $ NodeFunction $ qual (fromNS namespace) name
|
||||
where
|
||||
fromNS :: Ruby.Namespace -> Namespace
|
||||
fromNS (Ruby.Namespace l) = Namespace $ go <$> l
|
||||
go :: Name -> Text
|
||||
go (Name o) = case o of
|
||||
Aeson.String s -> s
|
||||
_ -> error $ show o
|
||||
constToNamespace :: Ruby.Const -> Namespace
|
||||
constToNamespace Ruby.Const{context, atom} = statementToNamespace context <> [k]
|
||||
where
|
||||
Ruby.Atom k = atom
|
||||
|
|
|
|||
Loading…
Reference in a new issue