Parser

This module provides the generated Happy parser for Haskell. It exports a number of parsers which may be used in any library that uses the GHC API. A common usage pattern is to initialize the parser state with a given string and then parse that string:

    runParser :: DynFlags -> String -> P a -> ParseResult a
    runParser flags str parser = unP parser parseState
    where
      filename = "<interactive>"
      location = mkRealSrcLoc (mkFastString filename) 1 1
      buffer = stringToStringBuffer str
      parseState = mkPState flags buffer location

Documentation

parseModule :: P (Located (HsModule GhcPs))

parseSignature :: P (Located (HsModule GhcPs))

parseImport :: P (LImportDecl GhcPs)

parseStatement :: P (LStmt GhcPs (LHsExpr GhcPs))

parseBackpack :: P [LHsUnit PackageName]

parseDeclaration :: P (LHsDecl GhcPs)

parseExpression :: P ECP

parsePattern :: P (Located (Pat (GhcPass 'Parsed)))

parseTypeSignature :: P (LHsDecl GhcPs)

parseStmt :: P (Maybe (LStmt GhcPs (LHsExpr GhcPs)))

parseIdentifier :: P (Located RdrName)

parseType :: P (LHsType GhcPs)

parseHeader :: P (Located (HsModule GhcPs))