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Diffstat (limited to 'bootstrap/src/BuildModel.hs')
-rw-r--r-- | bootstrap/src/BuildModel.hs | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/bootstrap/src/BuildModel.hs b/bootstrap/src/BuildModel.hs new file mode 100644 index 0000000..d7b39dc --- /dev/null +++ b/bootstrap/src/BuildModel.hs @@ -0,0 +1,385 @@ +module BuildModel where + +import Control.Applicative ( (<|>) ) +import Data.Char ( isAsciiLower + , isDigit + , toLower + ) +import Data.Maybe ( fromMaybe + , mapMaybe + ) +import Data.List ( intercalate ) +import System.FilePath ( (</>) + , (<.>) + , splitDirectories + ) +import Text.ParserCombinators.ReadP ( ReadP + , char + , eof + , many + , many1 + , option + , readP_to_S + , satisfy + , skipSpaces + , string + ) + +data LineContents = + ProgramDeclaration + | ModuleDeclaration String + | ModuleUsed String + | ModuleSubprogramDeclaration + | SubmoduleDeclaration String String + | Other + +data RawSource = RawSource { + rawSourceFilename :: FilePath + , rawSourceContents :: String +} + +data Source = + Program + { programSourceFileName :: FilePath + , programObjectFileName :: FilePath -> FilePath + , programModulesUsed :: [String] + } + | Module + { moduleSourceFileName :: FilePath + , moduleObjectFileName :: FilePath -> FilePath + , moduleModulesUsed :: [String] + , moduleName :: String + , moduleProducesSmod :: Bool + } + | Submodule + { submoduleSourceFileName :: FilePath + , submoduleObjectFileName :: FilePath -> FilePath + , submoduleModulesUsed :: [String] + , submoduleParentName :: String + , submoduleName :: String + } + +data CompileTimeInfo = CompileTimeInfo { + compileTimeInfoSourceFileName :: FilePath + , compileTimeInfoObjectFileProduced :: FilePath + , compileTimeInfoOtherFilesProduced :: [FilePath] + , compileTimeInfoDirectDependencies :: [FilePath] +} + +processRawSource :: RawSource -> Source +processRawSource rawSource = + let sourceFileName = rawSourceFilename rawSource + parsedContents = parseContents rawSource + objectFileName = + \bd -> bd </> (pathSeparatorsToUnderscores sourceFileName) <.> "o" + modulesUsed = getModulesUsed parsedContents + in if hasProgramDeclaration parsedContents + then Program { programSourceFileName = sourceFileName + , programObjectFileName = objectFileName + , programModulesUsed = modulesUsed + } + else if hasModuleDeclaration parsedContents + then Module + { moduleSourceFileName = sourceFileName + , moduleObjectFileName = objectFileName + , moduleModulesUsed = modulesUsed + , moduleName = getModuleName parsedContents + , moduleProducesSmod = hasModuleSubprogramDeclaration parsedContents + } + else if hasSubmoduleDeclaration parsedContents + then Submodule + { submoduleSourceFileName = sourceFileName + , submoduleObjectFileName = objectFileName + , submoduleModulesUsed = modulesUsed + , submoduleParentName = getSubmoduleParentName parsedContents + , submoduleName = getSubmoduleName parsedContents + } + else undefined + +getAvailableModules :: [Source] -> [String] +getAvailableModules = mapMaybe maybeModuleName + where + maybeModuleName m@(Module{}) = Just $ moduleName m + maybeModuleName _ = Nothing + +getAllObjectFiles :: FilePath -> [Source] -> [FilePath] +getAllObjectFiles buildDirectory sources = map getObjectFile sources + where + getObjectFile p@(Program{} ) = (programObjectFileName p) buildDirectory + getObjectFile m@(Module{} ) = (moduleObjectFileName m) buildDirectory + getObjectFile s@(Submodule{}) = (submoduleObjectFileName s) buildDirectory + +getSourceFileName :: Source -> FilePath +getSourceFileName p@(Program{}) = programSourceFileName p +getSourceFileName m@(Module{}) = moduleSourceFileName m +getSourceFileName s@(Submodule{}) = submoduleSourceFileName s + +constructCompileTimeInfo :: Source -> [String] -> FilePath -> CompileTimeInfo +constructCompileTimeInfo p@(Program{}) availableModules buildDirectory = + CompileTimeInfo + { compileTimeInfoSourceFileName = programSourceFileName p + , compileTimeInfoObjectFileProduced = (programObjectFileName p) + buildDirectory + , compileTimeInfoOtherFilesProduced = [] + , compileTimeInfoDirectDependencies = map + (\mName -> buildDirectory </> mName <.> "mod") + (filter (`elem` availableModules) (programModulesUsed p)) + } +constructCompileTimeInfo m@(Module{}) availableModules buildDirectory = + CompileTimeInfo + { compileTimeInfoSourceFileName = moduleSourceFileName m + , compileTimeInfoObjectFileProduced = (moduleObjectFileName m) + buildDirectory + , compileTimeInfoOtherFilesProduced = + (buildDirectory </> moduleName m <.> "mod") : if moduleProducesSmod m + then [buildDirectory </> moduleName m <.> "smod"] + else [] + , compileTimeInfoDirectDependencies = map + (\mName -> buildDirectory </> mName <.> "mod") + (filter (`elem` availableModules) (moduleModulesUsed m)) + } +constructCompileTimeInfo s@(Submodule{}) availableModules buildDirectory = + CompileTimeInfo + { compileTimeInfoSourceFileName = submoduleSourceFileName s + , compileTimeInfoObjectFileProduced = (submoduleObjectFileName s) + buildDirectory + , compileTimeInfoOtherFilesProduced = [ buildDirectory + </> submoduleParentName s + ++ "@" + ++ submoduleName s + <.> "smod" + ] + , compileTimeInfoDirectDependencies = + (buildDirectory </> submoduleParentName s <.> "smod") + : (map (\mName -> buildDirectory </> mName <.> "mod") + (filter (`elem` availableModules) (submoduleModulesUsed s)) + ) + } + +pathSeparatorsToUnderscores :: FilePath -> FilePath +pathSeparatorsToUnderscores fileName = + intercalate "_" (splitDirectories fileName) + +parseContents :: RawSource -> [LineContents] +parseContents rawSource = + 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 + +hasModuleDeclaration :: [LineContents] -> Bool +hasModuleDeclaration parsedContents = case filter f parsedContents of + x : _ -> True + _ -> False + where + f lc = case lc of + ModuleDeclaration{} -> True + _ -> False + +hasSubmoduleDeclaration :: [LineContents] -> Bool +hasSubmoduleDeclaration parsedContents = case filter f parsedContents of + x : _ -> True + _ -> False + where + f lc = case lc of + SubmoduleDeclaration{} -> True + _ -> False + +hasModuleSubprogramDeclaration :: [LineContents] -> Bool +hasModuleSubprogramDeclaration parsedContents = case filter f parsedContents of + x : _ -> True + _ -> False + where + f lc = case lc of + ModuleSubprogramDeclaration -> True + _ -> False + +getModulesUsed :: [LineContents] -> [String] +getModulesUsed = mapMaybe contentToMaybeModuleName + where + contentToMaybeModuleName content = case content of + ModuleUsed moduleName -> Just moduleName + _ -> Nothing + +getModuleName :: [LineContents] -> String +getModuleName pc = head $ mapMaybe contentToMaybeModuleName pc + where + contentToMaybeModuleName content = case content of + ModuleDeclaration moduleName -> Just moduleName + _ -> Nothing + +getSubmoduleParentName :: [LineContents] -> String +getSubmoduleParentName pc = head $ mapMaybe contentToMaybeModuleName pc + where + contentToMaybeModuleName content = case content of + SubmoduleDeclaration submoduleParentName submoduleName -> + Just submoduleParentName + _ -> Nothing + +getSubmoduleName :: [LineContents] -> String +getSubmoduleName pc = head $ mapMaybe contentToMaybeModuleName pc + where + contentToMaybeModuleName content = case content of + SubmoduleDeclaration submoduleParentName submoduleName -> + Just submoduleName + _ -> Nothing + +readFileLinesIO :: FilePath -> IO [String] +readFileLinesIO file = do + contents <- readFile file + return $ lines contents + +parseFortranLine :: String -> LineContents +parseFortranLine line = + let line' = map toLower line + result = readP_to_S doFortranLineParse line' + in getResult result + where + getResult (_ : (contents, _) : _) = contents + getResult [(contents, _) ] = contents + getResult [] = Other + +doFortranLineParse :: ReadP LineContents +doFortranLineParse = option Other fortranUsefulContents + +fortranUsefulContents :: ReadP LineContents +fortranUsefulContents = + programDeclaration + <|> moduleSubprogramDeclaration + <|> moduleDeclaration + <|> submoduleDeclaration + <|> useStatement + +programDeclaration :: ReadP LineContents +programDeclaration = do + skipSpaces + _ <- string "program" + skipAtLeastOneWhiteSpace + _ <- validIdentifier + return ProgramDeclaration + +moduleDeclaration :: ReadP LineContents +moduleDeclaration = do + skipSpaces + _ <- string "module" + skipAtLeastOneWhiteSpace + moduleName <- validIdentifier + skipSpaceCommentOrEnd + return $ ModuleDeclaration moduleName + +submoduleDeclaration :: ReadP LineContents +submoduleDeclaration = do + skipSpaces + _ <- string "submodule" + parents <- submoduleParents + skipSpaces + name <- validIdentifier + skipSpaceCommentOrEnd + return $ SubmoduleDeclaration (intercalate "@" parents) name + +submoduleParents :: ReadP [String] +submoduleParents = do + skipSpaces + _ <- char '(' + skipSpaces + firstParent <- validIdentifier + remainingParents <- many + (do + skipSpaces + _ <- char ':' + skipSpaces + name <- validIdentifier + return name + ) + skipSpaces + _ <- char ')' + return $ firstParent : remainingParents + +useStatement :: ReadP LineContents +useStatement = do + skipSpaces + _ <- string "use" + skipAtLeastOneWhiteSpace + modName <- validIdentifier + skipSpaceCommaOrEnd + return $ ModuleUsed modName + +moduleSubprogramDeclaration :: ReadP LineContents +moduleSubprogramDeclaration = do + skipSpaces + skipProcedureQualifiers + _ <- string "module" + skipAtLeastOneWhiteSpace + _ <- string "function" <|> string "subroutine" + skipAtLeastOneWhiteSpace + return $ ModuleSubprogramDeclaration + +skipProcedureQualifiers :: ReadP () +skipProcedureQualifiers = do + many skipPossibleQualifier + return () + +skipPossibleQualifier :: ReadP () +skipPossibleQualifier = do + _ <- string "pure" <|> string "elemental" <|> string "impure" + skipAtLeastOneWhiteSpace + +skipAtLeastOneWhiteSpace :: ReadP () +skipAtLeastOneWhiteSpace = do + _ <- many1 whiteSpace + return () + +skipSpaceOrEnd :: ReadP () +skipSpaceOrEnd = eof <|> skipAtLeastOneWhiteSpace + +skipSpaceCommaOrEnd :: ReadP () +skipSpaceCommaOrEnd = eof <|> skipComma <|> skipAtLeastOneWhiteSpace + +skipSpaceCommentOrEnd :: ReadP () +skipSpaceCommentOrEnd = eof <|> skipComment <|> skipAtLeastOneWhiteSpace + +skipComma :: ReadP () +skipComma = do + _ <- char ',' + return () + +skipComment :: ReadP () +skipComment = do + _ <- char '!' + return () + +skipAnything :: ReadP () +skipAnything = do + _ <- many (satisfy (const True)) + return () + +whiteSpace :: ReadP Char +whiteSpace = satisfy (`elem` " \t") + +validIdentifier :: ReadP String +validIdentifier = do + first <- validFirstCharacter + rest <- many validIdentifierCharacter + return $ first : rest + +validFirstCharacter :: ReadP Char +validFirstCharacter = alphabet + +validIdentifierCharacter :: ReadP Char +validIdentifierCharacter = alphabet <|> digit <|> underscore + +alphabet :: ReadP Char +alphabet = satisfy isAsciiLower + +digit :: ReadP Char +digit = satisfy isDigit + +underscore :: ReadP Char +underscore = char '_' |