{- This module was generated from data in the Kate syntax highlighting file cmake.xml, version 1.04,
   by   -}

module Text.Highlighting.Kate.Syntax.Cmake ( highlight, parseExpression, syntaxName, syntaxExtensions ) where
import Text.Highlighting.Kate.Definitions
import Text.Highlighting.Kate.Common
import qualified Text.Highlighting.Kate.Syntax.Alert
import Text.ParserCombinators.Parsec
import Control.Monad (when)
import Data.Map (fromList)
import Data.Maybe (fromMaybe, maybeToList)

import qualified Data.Set as Set
-- | Full name of language.
syntaxName :: String
syntaxName = "CMake"

-- | Filename extensions for this language.
syntaxExtensions :: String
syntaxExtensions = "CMakeLists.txt;*.cmake;"

-- | Highlight source code using this syntax definition.
highlight :: String -> Either String [SourceLine]
highlight input =
  case runParser parseSource startingState "source" input of
    Left err     -> Left $ show err
    Right result -> Right result

-- | Parse an expression using appropriate local context.
parseExpression :: GenParser Char SyntaxState LabeledSource
parseExpression = do
  st <- getState
  let oldLang = synStLanguage st
  setState $ st { synStLanguage = "CMake" }
  context <- currentContext <|> (pushContext "Normal Text" >> currentContext)
  result <- parseRules context
  updateState $ \st -> st { synStLanguage = oldLang }
  return result

parseSource = do 
  lineContents <- lookAhead wholeLine
  updateState $ \st -> st { synStCurrentLine = lineContents }
  result <- manyTill parseSourceLine eof
  return $ map normalizeHighlighting result

startingState = SyntaxState {synStContexts = fromList [("CMake",["Normal Text"])], synStLanguage = "CMake", synStCurrentLine = "", synStCharsParsedInLine = 0, synStPrevChar = '\n', synStCaseSensitive = True, synStKeywordCaseSensitive = True, synStCaptures = []}

parseSourceLine = manyTill parseExpressionInternal pEndLine

pEndLine = do
  newline <|> (eof >> return '\n')
  context <- currentContext
  case context of
    "Normal Text" -> return ()
    "Function Args" -> return ()
    "Comment" -> (popContext >> return ())
    _ -> return ()
  lineContents <- lookAhead wholeLine
  updateState $ \st -> st { synStCurrentLine = lineContents, synStCharsParsedInLine = 0, synStPrevChar = '\n' }

withAttribute attr txt = do
  when (null txt) $ fail "Parser matched no text"
  let labs = attr : maybeToList (lookup attr styles)
  st <- getState
  let oldCharsParsed = synStCharsParsedInLine st
  let prevchar = if null txt then '\n' else last txt
  updateState $ \st -> st { synStCharsParsedInLine = oldCharsParsed + length txt, synStPrevChar = prevchar } 
  return (labs, txt)

styles = [("Special Args","ot"),("Commands","kw"),("Macros","kw"),("Variable","dv"),("Comment","co"),("Region Marker","re")]

parseExpressionInternal = do
  context <- currentContext
  parseRules context <|> (pDefault >>= withAttribute (fromMaybe "" $ lookup context defaultAttributes))

list_commands = Set.fromList $ words $ "ABSTRACT_FILES ADD_CUSTOM_COMMAND ADD_CUSTOM_TARGET ADD_DEFINITIONS ADD_DEPENDENCIES ADD_EXECUTABLE ADD_LIBRARY ADD_SUBDIRECTORY ADD_TEST AUX_SOURCE_DIRECTORY BUILD_COMMAND BUILD_NAME CMAKE_MINIMUM_REQUIRED CONFIGURE_FILE CREATE_TEST_SOURCELIST ELSE ELSEIF ENABLE_TESTING ENDFOREACH ENDIF ENDMACRO EXEC_PROGRAM EXPORT_LIBRARY_DEPENDENCIES FILE FIND_FILE FIND_LIBRARY FIND_PACKAGE FIND_PATH FIND_PROGRAM FLTK_WRAP_UI FOREACH GET_CMAKE_PROPERTY GET_DIRECTORY_PROPERTY GET_FILENAME_COMPONENT GET_SOURCE_FILE_PROPERTY GET_TARGET_PROPERTY IF INCLUDE INCLUDE_DIRECTORIES INCLUDE_EXTERNAL_MSPROJECT INCLUDE_REGULAR_EXPRESSION INSTALL INSTALL_FILES INSTALL_PROGRAMS INSTALL_TARGETS ITK_WRAP_TCL LINK_DIRECTORIES LINK_LIBRARIES LIST LOAD_CACHE LOAD_COMMAND MACRO MAKE_DIRECTORY MARK_AS_ADVANCED MESSAGE OPTION OUTPUT_REQUIRED_FILES PROJECT QT_WRAP_CPP QT_WRAP_UI REMOVE REMOVE_DEFINITIONS SEPARATE_ARGUMENTS SET SET_DIRECTORY_PROPERTIES SET_SOURCE_FILES_PROPERTIES SET_TARGET_PROPERTIES SITE_NAME SOURCE_FILES SOURCE_FILES_REMOVE SOURCE_GROUP STRING SUBDIRS SUBDIR_DEPENDS TARGET_LINK_LIBRARIES TRY_COMPILE TRY_RUN USE_MANGLED_MESA UTILITY_SOURCE VARIABLE_REQUIRES VTK_MAKE_INSTANTIATOR VTK_WRAP_JAVA VTK_WRAP_PYTHON VTK_WRAP_TCL WRAP_EXCLUDE_FILES WRITE_FILE"
list_special'5fargs = Set.fromList $ words $ "ABSOLUTE ABSTRACT ADDITIONAL_MAKE_CLEAN_FILES ALL AND APPEND ARCHIVE ARGS ASCII BEFORE CACHE CACHE_VARIABLES CLEAR CMAKE_FLAGS CODE COMMAND COMMANDS COMMAND_NAME COMMENT COMPARE COMPILE_FLAGS COMPONENT CONFIGURATIONS COPYONLY DEFINED DEFINE_SYMBOL DEPENDS DESTINATION DIRECTORY_PERMISSIONS DOC EQUAL ESCAPE_QUOTES EXCLUDE EXCLUDE_FROM_ALL EXISTS EXPORT_MACRO EXT EXTRA_INCLUDE FATAL_ERROR FILE FILES FILE_PERMISSIONS FORCE FUNCTION GENERATED GLOB GLOB_RECURSE GREATER GROUP_SIZE HEADER_FILE_ONLY HEADER_LOCATION IMMEDIATE INCLUDES INCLUDE_DIRECTORIES INCLUDE_INTERNALS INCLUDE_REGULAR_EXPRESSION INTERNAL LESS LIBRARY LINK_DIRECTORIES LINK_FLAGS LOCATION MACOSX_BUNDLE MACROS MAIN_DEPENDENCY MAKE_DIRECTORY MATCH MATCHALL MATCHES MODULE NAME NAMES NAME_WE NOT NOTEQUAL NO_SYSTEM_PATH OBJECT_DEPENDS OPTIONAL OR OUTPUT OUTPUT_VARIABLE PATH PATHS PATTERN PERMISSIONS POST_BUILD POST_INSTALL_SCRIPT PREFIX PREORDER PRE_BUILD PRE_INSTALL_SCRIPT PRE_LINK PROGRAM PROGRAMS PROGRAM_ARGS PROPERTIES QUIET RANGE READ REGEX REGULAR_EXPRESSION RENAME REPLACE REQUIRED RETURN_VALUE RUNTIME RUNTIME_DIRECTORY SCRIPT SEND_ERROR SHARED SOURCES STATIC STATUS STREQUAL STRGREATER STRLESS SUFFIX TARGET TARGETS TOLOWER TOUPPER USE_SOURCE_PERMISSIONS VAR VARIABLES VERSION WIN32 WRAP_EXCLUDE WRITE"

regex_'23'5cs'2aBEGIN'2e'2a'24 = compileRegex "#\\s*BEGIN.*$"
regex_'23'5cs'2aEND'2e'2a'24 = compileRegex "#\\s*END.*$"
regex_'5c'24'5c'7b'5cs'2a'5cw'2b'5cs'2a'5c'7d = compileRegex "\\$\\{\\s*\\w+\\s*\\}"
regex_'5cw'2b'5cs'2a'28'3f'3d'5c'28'29 = compileRegex "\\w+\\s*(?=\\()"
regex_'23'2e'2a'24 = compileRegex "#.*$"

defaultAttributes = [("Normal Text","Normal Text"),("Function Args","Normal Text"),("Comment","Comment")]

parseRules "Normal Text" = 
  do (attr, result) <- (((pDetectSpaces >>= withAttribute "Normal Text"))
                        <|>
                        ((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_commands >>= withAttribute "Commands") >>~ pushContext "Function Args")
                        <|>
                        ((pFirstNonSpace >> pRegExpr regex_'23'5cs'2aBEGIN'2e'2a'24 >>= withAttribute "Region Marker"))
                        <|>
                        ((pFirstNonSpace >> pRegExpr regex_'23'5cs'2aEND'2e'2a'24 >>= withAttribute "Region Marker"))
                        <|>
                        ((pDetectChar False '#' >>= withAttribute "Comment") >>~ pushContext "Comment")
                        <|>
                        ((pRegExpr regex_'5c'24'5c'7b'5cs'2a'5cw'2b'5cs'2a'5c'7d >>= withAttribute "Variable"))
                        <|>
                        ((pRegExpr regex_'5cw'2b'5cs'2a'28'3f'3d'5c'28'29 >>= withAttribute "Macros")))
     return (attr, result)

parseRules "Function Args" = 
  do (attr, result) <- (((pDetectChar False ')' >>= withAttribute "Normal Text") >>~ (popContext >> return ()))
                        <|>
                        ((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_special'5fargs >>= withAttribute "Special Args"))
                        <|>
                        ((pRegExpr regex_'23'2e'2a'24 >>= withAttribute "Comment"))
                        <|>
                        ((pRegExpr regex_'5c'24'5c'7b'5cs'2a'5cw'2b'5cs'2a'5c'7d >>= withAttribute "Variable")))
     return (attr, result)

parseRules "Comment" = 
  do (attr, result) <- ((Text.Highlighting.Kate.Syntax.Alert.parseExpression))
     return (attr, result)

parseRules x = fail $ "Unknown context" ++ x