lexcmake.cxx

porting scintilla to qt

                else {
                    styler.ColourTo(i,state);
                    state = SCE_CMAKE_DEFAULT;
                }
            }
            break;
        case SCE_CMAKE_STRINGDQ:
        case SCE_CMAKE_STRINGLQ:
        case SCE_CMAKE_STRINGRQ:

            if ( styler.SafeGetCharAt(i-1) == '\\' && styler.SafeGetCharAt(i-2) == '$' )
                break; // Ignore the next character, even if it is a quote of some sort

            if ( cCurrChar == '"' && state == SCE_CMAKE_STRINGDQ ) {
                styler.ColourTo(i,state);
                state = SCE_CMAKE_DEFAULT;
                break;
            }

            if ( cCurrChar == '`' && state == SCE_CMAKE_STRINGLQ ) {
                styler.ColourTo(i,state);
                state = SCE_CMAKE_DEFAULT;
                break;
            }

            if ( cCurrChar == '\'' && state == SCE_CMAKE_STRINGRQ ) {
                styler.ColourTo(i,state);
                state = SCE_CMAKE_DEFAULT;
                break;
            }

            if ( cNextChar == '\r' || cNextChar == '\n' ) {
                int nCurLine = styler.GetLine(i+1);
                int nBack = i;
                // We need to check if the previous line has a \ in it...
                bool bNextLine = false;

                while ( nBack > 0 ) {
                    if ( styler.GetLine(nBack) != nCurLine )
                        break;

                    char cTemp = styler.SafeGetCharAt(nBack, 'a'); // Letter 'a' is safe here

                    if ( cTemp == '\\' ) {
                        bNextLine = true;
                        break;
                    }
                    if ( cTemp != '\r' && cTemp != '\n' && cTemp != '\t' && cTemp != ' ' )
                        break;

                    nBack--;
                }

                if ( bNextLine ) {
                    styler.ColourTo(i+1,state);
                }
                if ( bNextLine == false ) {
                    styler.ColourTo(i,state);
                    state = SCE_CMAKE_DEFAULT;
                }
            }
            break;

        case SCE_CMAKE_VARIABLE:

            // CMake Variable:
            if ( cCurrChar == '$' )
                state = SCE_CMAKE_DEFAULT;
            else if ( cCurrChar == '\\' && (cNextChar == 'n' || cNextChar == 'r' || cNextChar == 't' ) )
                state = SCE_CMAKE_DEFAULT;
            else if ( (isCmakeChar(cCurrChar) && !isCmakeChar( cNextChar) && cNextChar != '}') || cCurrChar == '}' ) {
                state = classifyWordCmake( styler.GetStartSegment(), i, keywordLists, styler );
                styler.ColourTo( i, state);
                state = SCE_CMAKE_DEFAULT;
            }
            else if ( !isCmakeChar( cCurrChar ) && cCurrChar != '{' && cCurrChar != '}' ) {
                if ( classifyWordCmake( styler.GetStartSegment(), i-1, keywordLists, styler) == SCE_CMAKE_NUMBER )
                    styler.ColourTo( i-1, SCE_CMAKE_NUMBER );

                state = SCE_CMAKE_DEFAULT;

                if ( cCurrChar == '"' ) {
                    state = SCE_CMAKE_STRINGDQ;
                    bVarInString = false;
                    bClassicVarInString = false;
                }
                else if ( cCurrChar == '`' ) {
                    state = SCE_CMAKE_STRINGLQ;
                    bVarInString = false;
                    bClassicVarInString = false;
                }
                else if ( cCurrChar == '\'' ) {
                    state = SCE_CMAKE_STRINGRQ;
                    bVarInString = false;
                    bClassicVarInString = false;
                }
                else if ( cCurrChar == '#' ) {
                    state = SCE_CMAKE_COMMENT;
                }
            }
            break;
        }

        if ( state == SCE_CMAKE_COMMENT) {
            styler.ColourTo(i,state);
        }
        else if ( state == SCE_CMAKE_STRINGDQ || state == SCE_CMAKE_STRINGLQ || state == SCE_CMAKE_STRINGRQ ) {
            bool bIngoreNextDollarSign = false;

            if ( bVarInString && cCurrChar == '$' ) {
                bVarInString = false;
                bIngoreNextDollarSign = true;
            }
            else if ( bVarInString && cCurrChar == '\\' && (cNextChar == 'n' || cNextChar == 'r' || cNextChar == 't' || cNextChar == '"' || cNextChar == '`' || cNextChar == '\'' ) ) {
                styler.ColourTo( i+1, SCE_CMAKE_STRINGVAR);
                bVarInString = false;
                bIngoreNextDollarSign = false;
            }

            else if ( bVarInString && !isCmakeChar(cNextChar) ) {
                int nWordState = classifyWordCmake( styler.GetStartSegment(), i, keywordLists, styler);
                if ( nWordState == SCE_CMAKE_VARIABLE )
                    styler.ColourTo( i, SCE_CMAKE_STRINGVAR);
                bVarInString = false;
            }
            // Covers "${TEST}..."
            else if ( bClassicVarInString && cNextChar == '}' ) {
                styler.ColourTo( i+1, SCE_CMAKE_STRINGVAR);
                bClassicVarInString = false;
            }

            // Start of var in string
            if ( !bIngoreNextDollarSign && cCurrChar == '$' && cNextChar == '{' ) {
                styler.ColourTo( i-1, state);
                bClassicVarInString = true;
                bVarInString = false;
            }
            else if ( !bIngoreNextDollarSign && cCurrChar == '$' ) {
                styler.ColourTo( i-1, state);
                bVarInString = true;
                bClassicVarInString = false;
            }
        }
    }

    // Colourise remaining document
    styler.ColourTo(nLengthDoc-1,state);
}

static void FoldCmakeDoc(unsigned int startPos, int length, int, WordList *[], Accessor &styler)
{
    // No folding enabled, no reason to continue...
    if ( styler.GetPropertyInt("fold") == 0 )
        return;

    bool foldAtElse = styler.GetPropertyInt("fold.at.else", 0) == 1;

    int lineCurrent = styler.GetLine(startPos);
    unsigned int safeStartPos = styler.LineStart( lineCurrent );

    bool bArg1 = true;
    int nWordStart = -1;

    int levelCurrent = SC_FOLDLEVELBASE;
    if (lineCurrent > 0)
        levelCurrent = styler.LevelAt(lineCurrent-1) >> 16;
    int levelNext = levelCurrent;

    for (unsigned int i = safeStartPos; i < startPos + length; i++) {
        char chCurr = styler.SafeGetCharAt(i);

        if ( bArg1 ) {
            if ( nWordStart == -1 && (isCmakeLetter(chCurr)) ) {
                nWordStart = i;
            }
            else if ( isCmakeLetter(chCurr) == false && nWordStart > -1 ) {
                int newLevel = calculateFoldCmake( nWordStart, i-1, levelNext, styler, foldAtElse);

                if ( newLevel == levelNext ) {
                    if ( foldAtElse ) {
                        if ( CmakeNextLineHasElse(i, startPos + length, styler) )
                            levelNext--;
                    }
                }
                else
                    levelNext = newLevel;
                bArg1 = false;
            }
        }

        if ( chCurr == '\n' ) {
            if ( bArg1 && foldAtElse) {
                if ( CmakeNextLineHasElse(i, startPos + length, styler) )
                    levelNext--;
            }

            // If we are on a new line...
            int levelUse = levelCurrent;
            int lev = levelUse | levelNext << 16;
            if (levelUse < levelNext )
                lev |= SC_FOLDLEVELHEADERFLAG;
            if (lev != styler.LevelAt(lineCurrent))
                styler.SetLevel(lineCurrent, lev);

            lineCurrent++;
            levelCurrent = levelNext;
            bArg1 = true; // New line, lets look at first argument again
            nWordStart = -1;
        }
    }

    int levelUse = levelCurrent;
    int lev = levelUse | levelNext << 16;
    if (levelUse < levelNext)
        lev |= SC_FOLDLEVELHEADERFLAG;
    if (lev != styler.LevelAt(lineCurrent))
        styler.SetLevel(lineCurrent, lev);
}

static const char * const cmakeWordLists[] = {
    "Commands",
    "Parameters",
    "UserDefined",
    0,
    0,};

LexerModule lmCmake(SCLEX_CMAKE, ColouriseCmakeDoc, "cmake", FoldCmakeDoc, cmakeWordLists);