[wxWidgets.git] / src / stc / scintilla / src / LexCmake.cxx

// Scintilla source code edit control
/** @file LexCmake.cxx
 ** Lexer for Cmake
 **/
// Copyright 2007 by Cristian Adam <cristian [dot] adam [at] gmx [dot] net>
// based on the NSIS lexer
// The License.txt file describes the conditions under which this software may be distributed.
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#include <stdarg.h>

#include "Platform.h"

#include "PropSet.h"
#include "Accessor.h"
#include "KeyWords.h"
#include "Scintilla.h"
#include "SciLexer.h"

#ifdef SCI_NAMESPACE
using namespace Scintilla;
#endif

static bool isCmakeNumber(char ch)
{
    return(ch >= '0' && ch <= '9');
}

static bool isCmakeChar(char ch)
{
    return(ch == '.' ) || (ch == '_' ) || isCmakeNumber(ch) || (ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z');
}

static bool isCmakeLetter(char ch)
{
    return(ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z');
}

static bool CmakeNextLineHasElse(unsigned int start, unsigned int end, Accessor &styler)
{
    int nNextLine = -1;
    for ( unsigned int i = start; i < end; i++ ) {
        char cNext = styler.SafeGetCharAt( i );
        if ( cNext == '\n' ) {
            nNextLine = i+1;
            break;
        }
    }

    if ( nNextLine == -1 ) // We never foudn the next line...
        return false;

    for ( unsigned int firstChar = nNextLine; firstChar < end; firstChar++ ) {
        char cNext = styler.SafeGetCharAt( firstChar );
        if ( cNext == ' ' )
            continue;
        if ( cNext == '\t' )
            continue;
        if ( styler.Match(firstChar, "ELSE")  || styler.Match(firstChar, "else"))
            return true;
        break;
    }

    return false;
}

static int calculateFoldCmake(unsigned int start, unsigned int end, int foldlevel, Accessor &styler, bool bElse)
{
    // If the word is too long, it is not what we are looking for
    if ( end - start > 20 )
        return foldlevel;

    int newFoldlevel = foldlevel;

    char s[20]; // The key word we are looking for has atmost 13 characters
    for (unsigned int i = 0; i < end - start + 1 && i < 19; i++) {
        s[i] = static_cast<char>( styler[ start + i ] );
        s[i + 1] = '\0';
    }

    if ( CompareCaseInsensitive(s, "IF") == 0 || CompareCaseInsensitive(s, "WHILE") == 0
         || CompareCaseInsensitive(s, "MACRO") == 0 || CompareCaseInsensitive(s, "FOREACH") == 0
         || CompareCaseInsensitive(s, "ELSEIF") == 0 )
        newFoldlevel++;
    else if ( CompareCaseInsensitive(s, "ENDIF") == 0 || CompareCaseInsensitive(s, "ENDWHILE") == 0
              || CompareCaseInsensitive(s, "ENDMACRO") == 0 || CompareCaseInsensitive(s, "ENDFOREACH") == 0)
        newFoldlevel--;
    else if ( bElse && CompareCaseInsensitive(s, "ELSEIF") == 0 )
        newFoldlevel++;
    else if ( bElse && CompareCaseInsensitive(s, "ELSE") == 0 )
        newFoldlevel++;

    return newFoldlevel;
}

static int classifyWordCmake(unsigned int start, unsigned int end, WordList *keywordLists[], Accessor &styler )
{
    char word[100] = {0};
    char lowercaseWord[100] = {0};

    WordList &Commands = *keywordLists[0];
    WordList &Parameters = *keywordLists[1];
    WordList &UserDefined = *keywordLists[2];

    for (unsigned int i = 0; i < end - start + 1 && i < 99; i++) {
        word[i] = static_cast<char>( styler[ start + i ] );
        lowercaseWord[i] = static_cast<char>(tolower(word[i]));
    }

    // Check for special words...
    if ( CompareCaseInsensitive(word, "MACRO") == 0 || CompareCaseInsensitive(word, "ENDMACRO") == 0 )
        return SCE_CMAKE_MACRODEF;

    if ( CompareCaseInsensitive(word, "IF") == 0 ||  CompareCaseInsensitive(word, "ENDIF") == 0 )
        return SCE_CMAKE_IFDEFINEDEF;

    if ( CompareCaseInsensitive(word, "ELSEIF") == 0  || CompareCaseInsensitive(word, "ELSE") == 0 )
        return SCE_CMAKE_IFDEFINEDEF;

    if ( CompareCaseInsensitive(word, "WHILE") == 0 || CompareCaseInsensitive(word, "ENDWHILE") == 0)
        return SCE_CMAKE_WHILEDEF;

    if ( CompareCaseInsensitive(word, "FOREACH") == 0 || CompareCaseInsensitive(word, "ENDFOREACH") == 0)
        return SCE_CMAKE_FOREACHDEF;

    if ( Commands.InList(lowercaseWord) )
        return SCE_CMAKE_COMMANDS;

    if ( Parameters.InList(word) )
        return SCE_CMAKE_PARAMETERS;


    if ( UserDefined.InList(word) )
        return SCE_CMAKE_USERDEFINED;

    if ( strlen(word) > 3 ) {
        if ( word[1] == '{' && word[strlen(word)-1] == '}' )
            return SCE_CMAKE_VARIABLE;
    }

    // To check for numbers
    if ( isCmakeNumber( word[0] ) ) {
        bool bHasSimpleCmakeNumber = true;
        for (unsigned int j = 1; j < end - start + 1 && j < 99; j++) {
            if ( !isCmakeNumber( word[j] ) ) {
                bHasSimpleCmakeNumber = false;
                break;
            }
        }

        if ( bHasSimpleCmakeNumber )
            return SCE_CMAKE_NUMBER;
    }

    return SCE_CMAKE_DEFAULT;
}

static void ColouriseCmakeDoc(unsigned int startPos, int length, int, WordList *keywordLists[], Accessor &styler)
{
    int state = SCE_CMAKE_DEFAULT;
    if ( startPos > 0 )
        state = styler.StyleAt(startPos-1); // Use the style from the previous line, usually default, but could be commentbox

    styler.StartAt( startPos );
    styler.GetLine( startPos );

    unsigned int nLengthDoc = startPos + length;
    styler.StartSegment( startPos );

    char cCurrChar;
    bool bVarInString = false;
    bool bClassicVarInString = false;

    unsigned int i;
    for ( i = startPos; i < nLengthDoc; i++ ) {
        cCurrChar = styler.SafeGetCharAt( i );
        char cNextChar = styler.SafeGetCharAt(i+1);

        switch (state) {
        case SCE_CMAKE_DEFAULT:
            if ( cCurrChar == '#' ) { // we have a comment line
                styler.ColourTo(i-1, state );
                state = SCE_CMAKE_COMMENT;
                break;
            }
            if ( cCurrChar == '"' ) {
                styler.ColourTo(i-1, state );
                state = SCE_CMAKE_STRINGDQ;
                bVarInString = false;
                bClassicVarInString = false;
                break;
            }
            if ( cCurrChar == '\'' ) {
                styler.ColourTo(i-1, state );
                state = SCE_CMAKE_STRINGRQ;
                bVarInString = false;
                bClassicVarInString = false;
                break;
            }
            if ( cCurrChar == '`' ) {
                styler.ColourTo(i-1, state );
                state = SCE_CMAKE_STRINGLQ;
                bVarInString = false;
                bClassicVarInString = false;
                break;
            }

            // CMake Variable
            if ( cCurrChar == '$' || isCmakeChar(cCurrChar)) {
                styler.ColourTo(i-1,state);
                state = SCE_CMAKE_VARIABLE;

                // If it is a number, we must check and set style here first...
                if ( isCmakeNumber(cCurrChar) && (cNextChar == '\t' || cNextChar == ' ' || cNextChar == '\r' || cNextChar == '\n' ) )
                    styler.ColourTo( i, SCE_CMAKE_NUMBER);

                break;
            }

            break;
        case SCE_CMAKE_COMMENT:
            if ( cNextChar == '\n' || cNextChar == '\r' ) {
                // Special case:
                if ( cCurrChar == '\\' ) {
                    styler.ColourTo(i-2,state);
                    styler.ColourTo(i,SCE_CMAKE_DEFAULT);
                }
                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);
Commit	Line	Data
7e0c58e9 RD	1	// Scintilla source code edit control
	2	/** @file LexCmake.cxx
	3	** Lexer for Cmake
	4	**/
	5	// Copyright 2007 by Cristian Adam <cristian [dot] adam [at] gmx [dot] net>
	6	// based on the NSIS lexer
	7	// The License.txt file describes the conditions under which this software may be distributed.
	8	#include <stdlib.h>
	9	#include <string.h>
	10	#include <ctype.h>
	11	#include <stdio.h>
	12	#include <stdarg.h>
	13
	14	#include "Platform.h"
	15
	16	#include "PropSet.h"
	17	#include "Accessor.h"
	18	#include "KeyWords.h"
	19	#include "Scintilla.h"
	20	#include "SciLexer.h"
	21
	22	#ifdef SCI_NAMESPACE
	23	using namespace Scintilla;
	24	#endif
	25
	26	static bool isCmakeNumber(char ch)
	27	{
	28	return(ch >= '0' && ch <= '9');
	29	}
	30
	31	static bool isCmakeChar(char ch)
	32	{
	33	return(ch == '.' ) \|\| (ch == '_' ) \|\| isCmakeNumber(ch) \|\| (ch >= 'A' && ch <= 'Z') \|\| (ch >= 'a' && ch <= 'z');
	34	}
	35
	36	static bool isCmakeLetter(char ch)
	37	{
	38	return(ch >= 'A' && ch <= 'Z') \|\| (ch >= 'a' && ch <= 'z');
	39	}
	40
	41	static bool CmakeNextLineHasElse(unsigned int start, unsigned int end, Accessor &styler)
	42	{
	43	int nNextLine = -1;
	44	for ( unsigned int i = start; i < end; i++ ) {
	45	char cNext = styler.SafeGetCharAt( i );
	46	if ( cNext == '\n' ) {
	47	nNextLine = i+1;
	48	break;
	49	}
	50	}
	51
	52	if ( nNextLine == -1 ) // We never foudn the next line...
	53	return false;
	54
	55	for ( unsigned int firstChar = nNextLine; firstChar < end; firstChar++ ) {
	56	char cNext = styler.SafeGetCharAt( firstChar );
	57	if ( cNext == ' ' )
	58	continue;
	59	if ( cNext == '\t' )
	60	continue;
	61	if ( styler.Match(firstChar, "ELSE") \|\| styler.Match(firstChar, "else"))
	62	return true;
	63	break;
	64	}
65
66	return false;
67	}
68
69	static int calculateFoldCmake(unsigned int start, unsigned int end, int foldlevel, Accessor &styler, bool bElse)
70	{
71	// If the word is too long, it is not what we are looking for
72	if ( end - start > 20 )
73	return foldlevel;
74
75	int newFoldlevel = foldlevel;
76
77	char s[20]; // The key word we are looking for has atmost 13 characters
78	for (unsigned int i = 0; i < end - start + 1 && i < 19; i++) {
79	s[i] = static_cast<char>( styler[ start + i ] );
80	s[i + 1] = '\0';
81	}
82
83	if ( CompareCaseInsensitive(s, "IF") == 0 \|\| CompareCaseInsensitive(s, "WHILE") == 0
84	\|\| CompareCaseInsensitive(s, "MACRO") == 0 \|\| CompareCaseInsensitive(s, "FOREACH") == 0
85	\|\| CompareCaseInsensitive(s, "ELSEIF") == 0 )
86	newFoldlevel++;
87	else if ( CompareCaseInsensitive(s, "ENDIF") == 0 \|\| CompareCaseInsensitive(s, "ENDWHILE") == 0
88	\|\| CompareCaseInsensitive(s, "ENDMACRO") == 0 \|\| CompareCaseInsensitive(s, "ENDFOREACH") == 0)
89	newFoldlevel--;
90	else if ( bElse && CompareCaseInsensitive(s, "ELSEIF") == 0 )
91	newFoldlevel++;
92	else if ( bElse && CompareCaseInsensitive(s, "ELSE") == 0 )
93	newFoldlevel++;
94
95	return newFoldlevel;
96	}
97
98	static int classifyWordCmake(unsigned int start, unsigned int end, WordList *keywordLists[], Accessor &styler )
99	{
100	char word[100] = {0};
101	char lowercaseWord[100] = {0};
102
103	WordList &Commands = *keywordLists[0];
104	WordList &Parameters = *keywordLists[1];
105	WordList &UserDefined = *keywordLists[2];
106
107	for (unsigned int i = 0; i < end - start + 1 && i < 99; i++) {
108	word[i] = static_cast<char>( styler[ start + i ] );
109	lowercaseWord[i] = static_cast<char>(tolower(word[i]));
110	}
111
112	// Check for special words...
113	if ( CompareCaseInsensitive(word, "MACRO") == 0 \|\| CompareCaseInsensitive(word, "ENDMACRO") == 0 )
114	return SCE_CMAKE_MACRODEF;
115
116	if ( CompareCaseInsensitive(word, "IF") == 0 \|\| CompareCaseInsensitive(word, "ENDIF") == 0 )
117	return SCE_CMAKE_IFDEFINEDEF;
118
119	if ( CompareCaseInsensitive(word, "ELSEIF") == 0 \|\| CompareCaseInsensitive(word, "ELSE") == 0 )
120	return SCE_CMAKE_IFDEFINEDEF;
121
122	if ( CompareCaseInsensitive(word, "WHILE") == 0 \|\| CompareCaseInsensitive(word, "ENDWHILE") == 0)
123	return SCE_CMAKE_WHILEDEF;
124
125	if ( CompareCaseInsensitive(word, "FOREACH") == 0 \|\| CompareCaseInsensitive(word, "ENDFOREACH") == 0)
126	return SCE_CMAKE_FOREACHDEF;
127
128	if ( Commands.InList(lowercaseWord) )
129	return SCE_CMAKE_COMMANDS;
130
131	if ( Parameters.InList(word) )
132	return SCE_CMAKE_PARAMETERS;
133
134
135	if ( UserDefined.InList(word) )
136	return SCE_CMAKE_USERDEFINED;
137
138	if ( strlen(word) > 3 ) {
139	if ( word[1] == '{' && word[strlen(word)-1] == '}' )
140	return SCE_CMAKE_VARIABLE;
141	}
142
143	// To check for numbers
144	if ( isCmakeNumber( word[0] ) ) {
145	bool bHasSimpleCmakeNumber = true;
146	for (unsigned int j = 1; j < end - start + 1 && j < 99; j++) {
147	if ( !isCmakeNumber( word[j] ) ) {
148	bHasSimpleCmakeNumber = false;
149	break;
150	}
151	}
152
153	if ( bHasSimpleCmakeNumber )
154	return SCE_CMAKE_NUMBER;
155	}
156
157	return SCE_CMAKE_DEFAULT;
158	}
159
160	static void ColouriseCmakeDoc(unsigned int startPos, int length, int, WordList *keywordLists[], Accessor &styler)
161	{
162	int state = SCE_CMAKE_DEFAULT;
163	if ( startPos > 0 )
164	state = styler.StyleAt(startPos-1); // Use the style from the previous line, usually default, but could be commentbox
165
166	styler.StartAt( startPos );
167	styler.GetLine( startPos );
168
169	unsigned int nLengthDoc = startPos + length;
170	styler.StartSegment( startPos );
171
172	char cCurrChar;
173	bool bVarInString = false;
174	bool bClassicVarInString = false;
175
176	unsigned int i;
177	for ( i = startPos; i < nLengthDoc; i++ ) {
178	cCurrChar = styler.SafeGetCharAt( i );
179	char cNextChar = styler.SafeGetCharAt(i+1);
180
181	switch (state) {
182	case SCE_CMAKE_DEFAULT:
183	if ( cCurrChar == '#' ) { // we have a comment line
184	styler.ColourTo(i-1, state );
185	state = SCE_CMAKE_COMMENT;
186	break;
187	}
188	if ( cCurrChar == '"' ) {
189	styler.ColourTo(i-1, state );
190	state = SCE_CMAKE_STRINGDQ;
191	bVarInString = false;
192	bClassicVarInString = false;
193	break;
194	}
195	if ( cCurrChar == '\'' ) {
196	styler.ColourTo(i-1, state );
197	state = SCE_CMAKE_STRINGRQ;
198	bVarInString = false;
199	bClassicVarInString = false;
200	break;
201	}
202	if ( cCurrChar == '`' ) {
203	styler.ColourTo(i-1, state );
204	state = SCE_CMAKE_STRINGLQ;
205	bVarInString = false;
206	bClassicVarInString = false;
207	break;
208	}
209
210	// CMake Variable
211	if ( cCurrChar == '$' \|\| isCmakeChar(cCurrChar)) {
212	styler.ColourTo(i-1,state);
213	state = SCE_CMAKE_VARIABLE;
214
215	// If it is a number, we must check and set style here first...
216	if ( isCmakeNumber(cCurrChar) && (cNextChar == '\t' \|\| cNextChar == ' ' \|\| cNextChar == '\r' \|\| cNextChar == '\n' ) )
217	styler.ColourTo( i, SCE_CMAKE_NUMBER);
218
219	break;
220	}
221
222	break;
223	case SCE_CMAKE_COMMENT:
224	if ( cNextChar == '\n' \|\| cNextChar == '\r' ) {
225	// Special case:
226	if ( cCurrChar == '\\' ) {
227	styler.ColourTo(i-2,state);
228	styler.ColourTo(i,SCE_CMAKE_DEFAULT);
229	}
230	else {
231	styler.ColourTo(i,state);
232	state = SCE_CMAKE_DEFAULT;
233	}
234	}
235	break;
236	case SCE_CMAKE_STRINGDQ:
237	case SCE_CMAKE_STRINGLQ:
238	case SCE_CMAKE_STRINGRQ:
239
240	if ( styler.SafeGetCharAt(i-1) == '\\' && styler.SafeGetCharAt(i-2) == '$' )
241	break; // Ignore the next character, even if it is a quote of some sort
242
243	if ( cCurrChar == '"' && state == SCE_CMAKE_STRINGDQ ) {
244	styler.ColourTo(i,state);
245	state = SCE_CMAKE_DEFAULT;
246	break;
247	}
248
249	if ( cCurrChar == '`' && state == SCE_CMAKE_STRINGLQ ) {
250	styler.ColourTo(i,state);
251	state = SCE_CMAKE_DEFAULT;
252	break;
253	}
254
255	if ( cCurrChar == '\'' && state == SCE_CMAKE_STRINGRQ ) {
256	styler.ColourTo(i,state);
257	state = SCE_CMAKE_DEFAULT;
258	break;
259	}
260
261	if ( cNextChar == '\r' \|\| cNextChar == '\n' ) {
262	int nCurLine = styler.GetLine(i+1);
263	int nBack = i;
264	// We need to check if the previous line has a \ in it...
265	bool bNextLine = false;
266
267	while ( nBack > 0 ) {
268	if ( styler.GetLine(nBack) != nCurLine )
269	break;
270
271	char cTemp = styler.SafeGetCharAt(nBack, 'a'); // Letter 'a' is safe here
272
273	if ( cTemp == '\\' ) {
274	bNextLine = true;
275	break;
276	}
277	if ( cTemp != '\r' && cTemp != '\n' && cTemp != '\t' && cTemp != ' ' )
278	break;
279
280	nBack--;
281	}
282
283	if ( bNextLine ) {
284	styler.ColourTo(i+1,state);
285	}
286	if ( bNextLine == false ) {
287	styler.ColourTo(i,state);
288	state = SCE_CMAKE_DEFAULT;
289	}
290	}
291	break;
292
293	case SCE_CMAKE_VARIABLE:
294
295	// CMake Variable:
296	if ( cCurrChar == '$' )
297	state = SCE_CMAKE_DEFAULT;
298	else if ( cCurrChar == '\\' && (cNextChar == 'n' \|\| cNextChar == 'r' \|\| cNextChar == 't' ) )
299	state = SCE_CMAKE_DEFAULT;
300	else if ( (isCmakeChar(cCurrChar) && !isCmakeChar( cNextChar) && cNextChar != '}') \|\| cCurrChar == '}' ) {
301	state = classifyWordCmake( styler.GetStartSegment(), i, keywordLists, styler );
302	styler.ColourTo( i, state);
303	state = SCE_CMAKE_DEFAULT;
304	}
305	else if ( !isCmakeChar( cCurrChar ) && cCurrChar != '{' && cCurrChar != '}' ) {
306	if ( classifyWordCmake( styler.GetStartSegment(), i-1, keywordLists, styler) == SCE_CMAKE_NUMBER )
307	styler.ColourTo( i-1, SCE_CMAKE_NUMBER );
308
309	state = SCE_CMAKE_DEFAULT;
310
311	if ( cCurrChar == '"' ) {
312	state = SCE_CMAKE_STRINGDQ;
313	bVarInString = false;
314	bClassicVarInString = false;
315	}
316	else if ( cCurrChar == '`' ) {
317	state = SCE_CMAKE_STRINGLQ;
318	bVarInString = false;
319	bClassicVarInString = false;
320	}
321	else if ( cCurrChar == '\'' ) {
322	state = SCE_CMAKE_STRINGRQ;
323	bVarInString = false;
324	bClassicVarInString = false;
325	}
326	else if ( cCurrChar == '#' ) {
327	state = SCE_CMAKE_COMMENT;
328	}
329	}
330	break;
331	}
332
333	if ( state == SCE_CMAKE_COMMENT) {
334	styler.ColourTo(i,state);
335	}
336	else if ( state == SCE_CMAKE_STRINGDQ \|\| state == SCE_CMAKE_STRINGLQ \|\| state == SCE_CMAKE_STRINGRQ ) {
337	bool bIngoreNextDollarSign = false;
338
339	if ( bVarInString && cCurrChar == '$' ) {
340	bVarInString = false;
341	bIngoreNextDollarSign = true;
342	}
343	else if ( bVarInString && cCurrChar == '\\' && (cNextChar == 'n' \|\| cNextChar == 'r' \|\| cNextChar == 't' \|\| cNextChar == '"' \|\| cNextChar == '`' \|\| cNextChar == '\'' ) ) {
344	styler.ColourTo( i+1, SCE_CMAKE_STRINGVAR);
345	bVarInString = false;
346	bIngoreNextDollarSign = false;
347	}
348
349	else if ( bVarInString && !isCmakeChar(cNextChar) ) {
350	int nWordState = classifyWordCmake( styler.GetStartSegment(), i, keywordLists, styler);
351	if ( nWordState == SCE_CMAKE_VARIABLE )
352	styler.ColourTo( i, SCE_CMAKE_STRINGVAR);
353	bVarInString = false;
354	}
355	// Covers "${TEST}..."
356	else if ( bClassicVarInString && cNextChar == '}' ) {
357	styler.ColourTo( i+1, SCE_CMAKE_STRINGVAR);
358	bClassicVarInString = false;
359	}
360
361	// Start of var in string
362	if ( !bIngoreNextDollarSign && cCurrChar == '$' && cNextChar == '{' ) {
363	styler.ColourTo( i-1, state);
364	bClassicVarInString = true;
365	bVarInString = false;
366	}
367	else if ( !bIngoreNextDollarSign && cCurrChar == '$' ) {
368	styler.ColourTo( i-1, state);
369	bVarInString = true;
370	bClassicVarInString = false;
371	}
372	}
373	}
374
375	// Colourise remaining document
376	styler.ColourTo(nLengthDoc-1,state);
377	}
378
379	static void FoldCmakeDoc(unsigned int startPos, int length, int, WordList *[], Accessor &styler)
380	{
381	// No folding enabled, no reason to continue...
382	if ( styler.GetPropertyInt("fold") == 0 )
383	return;
384
385	bool foldAtElse = styler.GetPropertyInt("fold.at.else", 0) == 1;
386
387	int lineCurrent = styler.GetLine(startPos);
388	unsigned int safeStartPos = styler.LineStart( lineCurrent );
389
390	bool bArg1 = true;
391	int nWordStart = -1;
392
393	int levelCurrent = SC_FOLDLEVELBASE;
394	if (lineCurrent > 0)
395	levelCurrent = styler.LevelAt(lineCurrent-1) >> 16;
396	int levelNext = levelCurrent;
397
398	for (unsigned int i = safeStartPos; i < startPos + length; i++) {
399	char chCurr = styler.SafeGetCharAt(i);
400
401	if ( bArg1 ) {
402	if ( nWordStart == -1 && (isCmakeLetter(chCurr)) ) {
403	nWordStart = i;
404	}
405	else if ( isCmakeLetter(chCurr) == false && nWordStart > -1 ) {
406	int newLevel = calculateFoldCmake( nWordStart, i-1, levelNext, styler, foldAtElse);
407
408	if ( newLevel == levelNext ) {
409	if ( foldAtElse ) {
410	if ( CmakeNextLineHasElse(i, startPos + length, styler) )
411	levelNext--;
412	}
413	}
414	else
415	levelNext = newLevel;
416	bArg1 = false;
417	}
418	}
419
420	if ( chCurr == '\n' ) {
421	if ( bArg1 && foldAtElse) {
422	if ( CmakeNextLineHasElse(i, startPos + length, styler) )
423	levelNext--;
424	}
425
426	// If we are on a new line...
427	int levelUse = levelCurrent;
428	int lev = levelUse \| levelNext << 16;
429	if (levelUse < levelNext )
430	lev \|= SC_FOLDLEVELHEADERFLAG;
431	if (lev != styler.LevelAt(lineCurrent))
432	styler.SetLevel(lineCurrent, lev);
433
434	lineCurrent++;
435	levelCurrent = levelNext;
436	bArg1 = true; // New line, lets look at first argument again
437	nWordStart = -1;
438	}
439	}
440
441	int levelUse = levelCurrent;
442	int lev = levelUse \| levelNext << 16;
443	if (levelUse < levelNext)
444	lev \|= SC_FOLDLEVELHEADERFLAG;
445	if (lev != styler.LevelAt(lineCurrent))
446	styler.SetLevel(lineCurrent, lev);
447	}
448
449	static const char * const cmakeWordLists[] = {
450	"Commands",
451	"Parameters",
452	"UserDefined",
453	0,
454	0,};
455
456	LexerModule lmCmake(SCLEX_CMAKE, ColouriseCmakeDoc, "cmake", FoldCmakeDoc, cmakeWordLists);