diff options
Diffstat (limited to 'bootstrap/src')
| -rw-r--r-- | bootstrap/src/BuildModel.hs | 58 |
1 files changed, 38 insertions, 20 deletions
diff --git a/bootstrap/src/BuildModel.hs b/bootstrap/src/BuildModel.hs index aa720f9..e5291ac 100644 --- a/bootstrap/src/BuildModel.hs +++ b/bootstrap/src/BuildModel.hs @@ -25,7 +25,7 @@ import Text.ParserCombinators.ReadP ( ReadP , string ) -data LineContents = ModuleUsed String | Other +data LineContents = ProgramDeclaration | ModuleUsed String | Other data RawSource = RawSource { rawSourceFilename :: FilePath @@ -42,16 +42,18 @@ processRawSource :: RawSource -> Source processRawSource rawSource = let sourceFileName = rawSourceFilename rawSource parsedContents = parseContents rawSource - in Program - { programSourceFileName = sourceFileName - , programObjectFileName = \buildDirectory -> - buildDirectory - </> (pathSeparatorsToUnderscores - sourceFileName - ) - <.> "o" - , programModulesUsed = getModulesUsed parsedContents - } + in if hasProgramDeclaration parsedContents + then Program + { programSourceFileName = sourceFileName + , programObjectFileName = \buildDirectory -> + buildDirectory + </> (pathSeparatorsToUnderscores + sourceFileName + ) + <.> "o" + , programModulesUsed = getModulesUsed parsedContents + } + else undefined pathSeparatorsToUnderscores :: FilePath -> FilePath pathSeparatorsToUnderscores fileName = @@ -59,16 +61,24 @@ pathSeparatorsToUnderscores fileName = parseContents :: RawSource -> [LineContents] parseContents rawSource = - let fileLines = lines $ rawSourceContents rawSource in - map parseFortranLine fileLines + let fileLines = lines $ rawSourceContents rawSource + in map parseFortranLine fileLines + +hasProgramDeclaration :: [LineContents] -> Bool +hasProgramDeclaration parsedContents = case filter f parsedContents of + x : _ -> True + _ -> False + where + f lc = case lc of + ProgramDeclaration -> True + _ -> False getModulesUsed :: [LineContents] -> [String] -getModulesUsed = - mapMaybe contentToMaybeModuleName - where - contentToMaybeModuleName content = case content of - ModuleUsed moduleName -> Just moduleName - _ -> Nothing +getModulesUsed = mapMaybe contentToMaybeModuleName + where + contentToMaybeModuleName content = case content of + ModuleUsed moduleName -> Just moduleName + _ -> Nothing readFileLinesIO :: FilePath -> IO [String] readFileLinesIO file = do @@ -89,7 +99,15 @@ doFortranLineParse :: ReadP LineContents doFortranLineParse = option Other fortranUsefulContents fortranUsefulContents :: ReadP LineContents -fortranUsefulContents = useStatement +fortranUsefulContents = programDeclaration <|> useStatement + +programDeclaration :: ReadP LineContents +programDeclaration = do + skipSpaces + _ <- string "program" + skipAtLeastOneWhiteSpace + _ <- validIdentifier + return ProgramDeclaration useStatement :: ReadP LineContents useStatement = do |