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

// Scintilla source code edit control
/** @file LexPascal.cxx
 ** Lexer for Pascal.
 ** Written by Laurent le Tynevez
 ** Updated by Simon Steele <s.steele@pnotepad.org> September 2002
 ** Updated by Mathias Rauen <scite@madshi.net> May 2003 (Delphi adjustments)
 **/

#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"
#include "StyleContext.h"

static void getRange(unsigned int start,
		unsigned int end,
		Accessor &styler,
		char *s,
		unsigned int len) {
	unsigned int i = 0;
	while ((i < end - start + 1) && (i < len-1)) {
		s[i] = static_cast<char>(tolower(styler[start + i]));
		i++;
	}
	s[i] = '\0';
}

static bool IsStreamCommentStyle(int style) {
	return style == SCE_C_COMMENT ||
		style == SCE_C_COMMENTDOC ||
		style == SCE_C_COMMENTDOCKEYWORD ||
		style == SCE_C_COMMENTDOCKEYWORDERROR;
}

static void ColourTo(Accessor &styler, unsigned int end, unsigned int attr, bool bInAsm) {
	if ((bInAsm) && (attr == SCE_C_OPERATOR || attr == SCE_C_NUMBER || attr == SCE_C_DEFAULT || attr == SCE_C_WORD || attr == SCE_C_IDENTIFIER)) {
		styler.ColourTo(end, SCE_C_REGEX);
	} else
		styler.ColourTo(end, attr);
}

// returns 1 if the item starts a class definition, and -1 if the word is "end", and 2 if the word is "asm"
static int classifyWordPascal(unsigned int start, unsigned int end, /*WordList &keywords*/WordList *keywordlists[], Accessor &styler, bool bInClass, bool bInAsm) {
	int ret = 0;

	WordList& keywords = *keywordlists[0];
	WordList& classwords = *keywordlists[1];

	char s[100];
	getRange(start, end, styler, s, sizeof(s));

	char chAttr = SCE_C_IDENTIFIER;
	if (isdigit(s[0]) || (s[0] == '.') ||(s[0] == '$')) {
		chAttr = SCE_C_NUMBER;
	}
	else {
		if (s[0] == '#') {
			chAttr = SCE_C_CHARACTER;
		}
		else {
			if (keywords.InList(s)) {
				chAttr = SCE_C_WORD;

				if(strcmp(s, "class") == 0) {
					ret = 1;
				}
				else if (strcmp(s, "asm") == 0) {
					ret = 2;
				}
				else if (strcmp(s, "end") == 0) {
					ret = -1;
				}
			} else if (bInClass) {
				if (classwords.InList(s)) {
					chAttr = SCE_C_WORD;
				}
			}
		}
	}
	ColourTo(styler, end, chAttr, (bInAsm && ret != -1));
	return ret;
}

static int classifyFoldPointPascal(const char* s) {
	int lev = 0;
	if (!(isdigit(s[0]) || (s[0] == '.'))) {
		if (strcmp(s, "begin") == 0 ||
			strcmp(s, "object") == 0 ||
			strcmp(s, "case") == 0 ||
			strcmp(s, "class") == 0 ||
			strcmp(s, "record") == 0 ||
			strcmp(s, "try") == 0) {
			lev=1;
		} else if (strcmp(s, "end") == 0) {
			lev=-1;
		}
	}
	return lev;
}

static void ColourisePascalDoc(unsigned int startPos, int length, int initStyle, WordList *keywordlists[],
	Accessor &styler) {

	styler.StartAt(startPos);

	int state = initStyle;
	if (state == SCE_C_CHARACTER)	// Does not leak onto next line
		state = SCE_C_DEFAULT;
	char chPrev = ' ';
	char chNext = styler[startPos];
	unsigned int lengthDoc = startPos + length;

	bool bInClassDefinition;

	int currentLine = styler.GetLine(startPos);
	if (currentLine > 0) {
		styler.SetLineState(currentLine, styler.GetLineState(currentLine-1));
		bInClassDefinition = (styler.GetLineState(currentLine) == 1);
	} else {
		styler.SetLineState(currentLine, 0);
		bInClassDefinition = false;
	}

	bool bInAsm = (state == SCE_C_REGEX);
	if (bInAsm)
		state = SCE_C_DEFAULT;

	styler.StartSegment(startPos);
	for (unsigned int i = startPos; i < lengthDoc; i++) {
		char ch = chNext;

		chNext = styler.SafeGetCharAt(i + 1);

		if ((ch == '\r' && chNext != '\n') || (ch == '\n')) {
			// Trigger on CR only (Mac style) or either on LF from CR+LF (Dos/Win) or on LF alone (Unix)
			// Avoid triggering two times on Dos/Win
			// End of line
			if (state == SCE_C_CHARACTER) {
				ColourTo(styler, i, state, bInAsm);
				state = SCE_C_DEFAULT;
			}
			currentLine++;
			styler.SetLineState(currentLine, (bInClassDefinition ? 1 : 0));
		}

		if (styler.IsLeadByte(ch)) {
			chNext = styler.SafeGetCharAt(i + 2);
			chPrev = ' ';
			i += 1;
			continue;
		}

		if (state == SCE_C_DEFAULT) {
			if (iswordstart(ch) || ch == '#' || ch == '$' || (ch == '@' && bInAsm)) {
				ColourTo(styler, i-1, state, bInAsm);
				state = SCE_C_IDENTIFIER;
			} else if (ch == '{' && chNext != '$' && chNext != '&') {
				ColourTo(styler, i-1, state, bInAsm);
				state = SCE_C_COMMENT;
			} else if (ch == '(' && chNext == '*'
						&& styler.SafeGetCharAt(i + 2) != '$'
						&& styler.SafeGetCharAt(i + 2) != '&') {
				ColourTo(styler, i-1, state, bInAsm);
				state = SCE_C_COMMENTDOC;
			} else if (ch == '/' && chNext == '/') {
				ColourTo(styler, i-1, state, bInAsm);
				state = SCE_C_COMMENTLINE;
			} else if (ch == '\'') {
				ColourTo(styler, i-1, state, bInAsm);
				state = SCE_C_CHARACTER;
			} else if (ch == '{' && (chNext == '$' || chNext=='&')) {
				ColourTo(styler, i-1, state, bInAsm);
				state = SCE_C_PREPROCESSOR;
			} else if (isoperator(ch)) {
				ColourTo(styler, i-1, state, bInAsm);
				ColourTo(styler, i, SCE_C_OPERATOR, bInAsm);

			}
		} else if (state == SCE_C_IDENTIFIER) {
			bool bDoublePoint = ((ch == '.') && (chPrev == '.'));
			if ((!iswordchar(ch) && ch != '$' && ch != '#' && (ch != '@' || !bInAsm)) || bDoublePoint) {
				if (bDoublePoint) i--;
				int lStateChange = classifyWordPascal(styler.GetStartSegment(), i - 1, keywordlists, styler, bInClassDefinition, bInAsm);

				if(lStateChange == 1) {
					styler.SetLineState(currentLine, 1);
					bInClassDefinition = true;
				} else if(lStateChange == 2) {
					bInAsm = true;
				} else if(lStateChange == -1) {
					styler.SetLineState(currentLine, 0);
					bInClassDefinition = false;
					bInAsm = false;
				}
				if (bDoublePoint) {
					i++;
					ColourTo(styler, i-1, SCE_C_DEFAULT, bInAsm);
				}

				state = SCE_C_DEFAULT;
				chNext = styler.SafeGetCharAt(i + 1);
				if (ch == '{' && chNext != '$' && chNext != '&') {
					state = SCE_C_COMMENT;
				} else if (ch == '(' && chNext == '*'
						&& styler.SafeGetCharAt(i + 2) != '$'
						&& styler.SafeGetCharAt(i + 2) != '&') {
					ColourTo(styler, i-1, state, bInAsm);
					state = SCE_C_COMMENTDOC;
				} else if (ch == '/' && chNext == '/') {
					state = SCE_C_COMMENTLINE;
				} else if (ch == '\'') {
					state = SCE_C_CHARACTER;
				} else if (isoperator(ch)) {
					ColourTo(styler, i, SCE_C_OPERATOR, bInAsm);
				}
			}
		} else {
			if (state == SCE_C_PREPROCESSOR) {
				if (ch=='}'){
					ColourTo(styler, i, state, bInAsm);
					state = SCE_C_DEFAULT;
				} else {
					if ((ch == '\r' || ch == '\n') && !(chPrev == '\\' || chPrev == '\r')) {
						ColourTo(styler, i-1, state, bInAsm);
						state = SCE_C_DEFAULT;
					}
				}
			} else if (state == SCE_C_COMMENT) {
				if (ch == '}' ) {
					ColourTo(styler, i, state, bInAsm);
					state = SCE_C_DEFAULT;
				}
			} else if (state == SCE_C_COMMENTDOC) {
				if (ch == ')' && chPrev == '*') {
					if (((i > styler.GetStartSegment() + 2) || (
						(initStyle == SCE_C_COMMENTDOC) &&
						(styler.GetStartSegment() == static_cast<unsigned int>(startPos))))) {
							ColourTo(styler, i, state, bInAsm);
							state = SCE_C_DEFAULT;
					}
				}
			} else if (state == SCE_C_COMMENTLINE) {
				if (ch == '\r' || ch == '\n') {
					ColourTo(styler, i-1, state, bInAsm);
					state = SCE_C_DEFAULT;
				}
			} else if (state == SCE_C_CHARACTER) {
				if (ch == '\'') {
					ColourTo(styler, i, state, bInAsm);
					state = SCE_C_DEFAULT;
				}
			}
		}
		chPrev = ch;
	}
	ColourTo(styler, lengthDoc - 1, state, bInAsm);
}

static void FoldPascalDoc(unsigned int startPos, int length, int initStyle, WordList *[],
                            Accessor &styler) {
	bool foldComment = styler.GetPropertyInt("fold.comment") != 0;
	bool foldPreprocessor = styler.GetPropertyInt("fold.preprocessor") != 0;
	bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
	unsigned int endPos = startPos + length;
	int visibleChars = 0;
	int lineCurrent = styler.GetLine(startPos);
	int levelPrev = styler.LevelAt(lineCurrent) & SC_FOLDLEVELNUMBERMASK;
	int levelCurrent = levelPrev;
	char chNext = styler[startPos];
	int styleNext = styler.StyleAt(startPos);
	int style = initStyle;

	int lastStart = 0;

	for (unsigned int i = startPos; i < endPos; i++) {
		char ch = chNext;
		chNext = styler.SafeGetCharAt(i + 1);
		int stylePrev = style;
		style = styleNext;
		styleNext = styler.StyleAt(i + 1);
		bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');

		if (stylePrev == SCE_C_DEFAULT && style == SCE_C_WORD)
		{
			// Store last word start point.
			lastStart = i;
		}

		if (stylePrev == SCE_C_WORD) {
			if(iswordchar(ch) && !iswordchar(chNext)) {
				char s[100];
				getRange(lastStart, i, styler, s, sizeof(s));
				levelCurrent += classifyFoldPointPascal(s);
			}
		}

		if (foldComment && (style == SCE_C_COMMENTLINE)) {
			if ((ch == '/') && (chNext == '/')) {
				char chNext2 = styler.SafeGetCharAt(i + 2);
				if (chNext2 == '{') {
					levelCurrent++;
				} else if (chNext2 == '}') {
					levelCurrent--;
				}
			}
		}

		if (foldPreprocessor && (style == SCE_C_PREPROCESSOR)) {
			if (ch == '{' && chNext == '$') {
				unsigned int j=i+2; // skip {$
				while ((j<endPos) && IsASpaceOrTab(styler.SafeGetCharAt(j))) {
					j++;
				}
				if (styler.Match(j, "region") || styler.Match(j, "if")) {
					levelCurrent++;
				} else if (styler.Match(j, "end")) {
					levelCurrent--;
				}
			}
		}

		if (foldComment && IsStreamCommentStyle(style)) {
			if (!IsStreamCommentStyle(stylePrev)) {
				levelCurrent++;
			} else if (!IsStreamCommentStyle(styleNext) && !atEOL) {
				// Comments don't end at end of line and the next character may be unstyled.
				levelCurrent--;
			}
		}

		if (atEOL) {
			int lev = levelPrev;
			if (visibleChars == 0 && foldCompact)
				lev |= SC_FOLDLEVELWHITEFLAG;
			if ((levelCurrent > levelPrev) && (visibleChars > 0))
				lev |= SC_FOLDLEVELHEADERFLAG;
			if (lev != styler.LevelAt(lineCurrent)) {
				styler.SetLevel(lineCurrent, lev);
			}
			lineCurrent++;
			levelPrev = levelCurrent;
			visibleChars = 0;
		}

		if (!isspacechar(ch))
			visibleChars++;
	}

	// Fill in the real level of the next line, keeping the current flags as they will be filled in later
	int flagsNext = styler.LevelAt(lineCurrent) & ~SC_FOLDLEVELNUMBERMASK;
	styler.SetLevel(lineCurrent, levelPrev | flagsNext);
}

static const char * const pascalWordListDesc[] = {
	"Keywords",
	"Classwords",
	0
};

LexerModule lmPascal(SCLEX_PASCAL, ColourisePascalDoc, "pascal", FoldPascalDoc, pascalWordListDesc);
Commit	Line	Data
65ec6247 RD	1	// Scintilla source code edit control
	2	/** @file LexPascal.cxx
	3	** Lexer for Pascal.
	4	** Written by Laurent le Tynevez
f114b858	5	** Updated by Simon Steele <s.steele@pnotepad.org> September 2002
88a8b04e	6	** Updated by Mathias Rauen <scite@madshi.net> May 2003 (Delphi adjustments)
65ec6247 RD	7	**/
	8
	9	#include <stdlib.h>
	10	#include <string.h>
	11	#include <ctype.h>
	12	#include <stdio.h>
	13	#include <stdarg.h>
	14
	15	#include "Platform.h"
	16
	17	#include "PropSet.h"
	18	#include "Accessor.h"
	19	#include "KeyWords.h"
	20	#include "Scintilla.h"
	21	#include "SciLexer.h"
f114b858	22	#include "StyleContext.h"
65ec6247	23
f114b858 RD	24	static void getRange(unsigned int start,
	25	unsigned int end,
	26	Accessor &styler,
	27	char *s,
	28	unsigned int len) {
	29	unsigned int i = 0;
	30	while ((i < end - start + 1) && (i < len-1)) {
65ec6247	31	s[i] = static_cast<char>(tolower(styler[start + i]));
f114b858	32	i++;
65ec6247	33	}
f114b858 RD	34	s[i] = '\0';
	35	}
	36
	37	static bool IsStreamCommentStyle(int style) {
9e730a78	38	return style == SCE_C_COMMENT \|\|
f114b858 RD	39	style == SCE_C_COMMENTDOC \|\|
	40	style == SCE_C_COMMENTDOCKEYWORD \|\|
	41	style == SCE_C_COMMENTDOCKEYWORDERROR;
	42	}
	43
88a8b04e RD	44	static void ColourTo(Accessor &styler, unsigned int end, unsigned int attr, bool bInAsm) {
	45	if ((bInAsm) && (attr == SCE_C_OPERATOR \|\| attr == SCE_C_NUMBER \|\| attr == SCE_C_DEFAULT \|\| attr == SCE_C_WORD \|\| attr == SCE_C_IDENTIFIER)) {
	46	styler.ColourTo(end, SCE_C_REGEX);
	47	} else
	48	styler.ColourTo(end, attr);
f114b858 RD	49	}
f114b858 RD	50
88a8b04e RD	51	// returns 1 if the item starts a class definition, and -1 if the word is "end", and 2 if the word is "asm"
88a8b04e RD	52	static int classifyWordPascal(unsigned int start, unsigned int end, /WordList &keywords/WordList *keywordlists[], Accessor &styler, bool bInClass, bool bInAsm) {
f114b858 RD	53	int ret = 0;
	54
	55	WordList& keywords = *keywordlists[0];
	56	WordList& classwords = *keywordlists[1];
9e730a78	57
f114b858 RD	58	char s[100];
	59	getRange(start, end, styler, s, sizeof(s));
	60
65ec6247	61	char chAttr = SCE_C_IDENTIFIER;
88a8b04e	62	if (isdigit(s[0]) \|\| (s[0] == '.') \|\|(s[0] == '$')) {
65ec6247 RD	63	chAttr = SCE_C_NUMBER;
	64	}
	65	else {
88a8b04e RD	66	if (s[0] == '#') {
	67	chAttr = SCE_C_CHARACTER;
	68	}
	69	else {
	70	if (keywords.InList(s)) {
f114b858	71	chAttr = SCE_C_WORD;
88a8b04e RD	72
	73	if(strcmp(s, "class") == 0) {
	74	ret = 1;
	75	}
	76	else if (strcmp(s, "asm") == 0) {
	77	ret = 2;
	78	}
	79	else if (strcmp(s, "end") == 0) {
	80	ret = -1;
	81	}
	82	} else if (bInClass) {
	83	if (classwords.InList(s)) {
	84	chAttr = SCE_C_WORD;
	85	}
f114b858	86	}
65ec6247 RD	87	}
65ec6247 RD	88	}
88a8b04e	89	ColourTo(styler, end, chAttr, (bInAsm && ret != -1));
f114b858 RD	90	return ret;
	91	}
	92
	93	static int classifyFoldPointPascal(const char* s) {
	94	int lev = 0;
	95	if (!(isdigit(s[0]) \|\| (s[0] == '.'))) {
	96	if (strcmp(s, "begin") == 0 \|\|
	97	strcmp(s, "object") == 0 \|\|
	98	strcmp(s, "case") == 0 \|\|
	99	strcmp(s, "class") == 0 \|\|
	100	strcmp(s, "record") == 0 \|\|
	101	strcmp(s, "try") == 0) {
	102	lev=1;
	103	} else if (strcmp(s, "end") == 0) {
	104	lev=-1;
	105	}
	106	}
65ec6247 RD	107	return lev;
	108	}
	109
	110	static void ColourisePascalDoc(unsigned int startPos, int length, int initStyle, WordList *keywordlists[],
	111	Accessor &styler) {
65ec6247 RD	112
	113	styler.StartAt(startPos);
	114
65ec6247	115	int state = initStyle;
88a8b04e	116	if (state == SCE_C_CHARACTER) // Does not leak onto next line
65ec6247 RD	117	state = SCE_C_DEFAULT;
	118	char chPrev = ' ';
	119	char chNext = styler[startPos];
	120	unsigned int lengthDoc = startPos + length;
f114b858 RD	121
f114b858 RD	122	bool bInClassDefinition;
88a8b04e	123
f114b858 RD	124	int currentLine = styler.GetLine(startPos);
	125	if (currentLine > 0) {
	126	styler.SetLineState(currentLine, styler.GetLineState(currentLine-1));
	127	bInClassDefinition = (styler.GetLineState(currentLine) == 1);
	128	} else {
	129	styler.SetLineState(currentLine, 0);
	130	bInClassDefinition = false;
	131	}
	132
88a8b04e RD	133	bool bInAsm = (state == SCE_C_REGEX);
	134	if (bInAsm)
	135	state = SCE_C_DEFAULT;
	136
65ec6247 RD	137	styler.StartSegment(startPos);
	138	for (unsigned int i = startPos; i < lengthDoc; i++) {
	139	char ch = chNext;
9e730a78	140
65ec6247 RD	141	chNext = styler.SafeGetCharAt(i + 1);
	142
	143	if ((ch == '\r' && chNext != '\n') \|\| (ch == '\n')) {
	144	// Trigger on CR only (Mac style) or either on LF from CR+LF (Dos/Win) or on LF alone (Unix)
	145	// Avoid triggering two times on Dos/Win
	146	// End of line
88a8b04e RD	147	if (state == SCE_C_CHARACTER) {
88a8b04e RD	148	ColourTo(styler, i, state, bInAsm);
65ec6247 RD	149	state = SCE_C_DEFAULT;
65ec6247 RD	150	}
f114b858 RD	151	currentLine++;
f114b858 RD	152	styler.SetLineState(currentLine, (bInClassDefinition ? 1 : 0));
65ec6247	153	}
65ec6247 RD	154
	155	if (styler.IsLeadByte(ch)) {
	156	chNext = styler.SafeGetCharAt(i + 2);
	157	chPrev = ' ';
	158	i += 1;
	159	continue;
	160	}
	161
	162	if (state == SCE_C_DEFAULT) {
88a8b04e RD	163	if (iswordstart(ch) \|\| ch == '#' \|\| ch == '$' \|\| (ch == '@' && bInAsm)) {
88a8b04e RD	164	ColourTo(styler, i-1, state, bInAsm);
65ec6247 RD	165	state = SCE_C_IDENTIFIER;
65ec6247 RD	166	} else if (ch == '{' && chNext != '$' && chNext != '&') {
88a8b04e	167	ColourTo(styler, i-1, state, bInAsm);
65ec6247 RD	168	state = SCE_C_COMMENT;
	169	} else if (ch == '(' && chNext == '*'
	170	&& styler.SafeGetCharAt(i + 2) != '$'
	171	&& styler.SafeGetCharAt(i + 2) != '&') {
88a8b04e	172	ColourTo(styler, i-1, state, bInAsm);
65ec6247 RD	173	state = SCE_C_COMMENTDOC;
65ec6247 RD	174	} else if (ch == '/' && chNext == '/') {
88a8b04e	175	ColourTo(styler, i-1, state, bInAsm);
65ec6247	176	state = SCE_C_COMMENTLINE;
65ec6247	177	} else if (ch == '\'') {
88a8b04e	178	ColourTo(styler, i-1, state, bInAsm);
65ec6247	179	state = SCE_C_CHARACTER;
88a8b04e RD	180	} else if (ch == '{' && (chNext == '$' \|\| chNext=='&')) {
88a8b04e RD	181	ColourTo(styler, i-1, state, bInAsm);
65ec6247 RD	182	state = SCE_C_PREPROCESSOR;
65ec6247 RD	183	} else if (isoperator(ch)) {
88a8b04e RD	184	ColourTo(styler, i-1, state, bInAsm);
88a8b04e RD	185	ColourTo(styler, i, SCE_C_OPERATOR, bInAsm);
65ec6247 RD	186
	187	}
	188	} else if (state == SCE_C_IDENTIFIER) {
88a8b04e RD	189	bool bDoublePoint = ((ch == '.') && (chPrev == '.'));
	190	if ((!iswordchar(ch) && ch != '$' && ch != '#' && (ch != '@' \|\| !bInAsm)) \|\| bDoublePoint) {
	191	if (bDoublePoint) i--;
	192	int lStateChange = classifyWordPascal(styler.GetStartSegment(), i - 1, keywordlists, styler, bInClassDefinition, bInAsm);
f114b858 RD	193
	194	if(lStateChange == 1) {
	195	styler.SetLineState(currentLine, 1);
	196	bInClassDefinition = true;
88a8b04e RD	197	} else if(lStateChange == 2) {
88a8b04e RD	198	bInAsm = true;
f114b858 RD	199	} else if(lStateChange == -1) {
	200	styler.SetLineState(currentLine, 0);
	201	bInClassDefinition = false;
88a8b04e RD	202	bInAsm = false;
	203	}
	204	if (bDoublePoint) {
	205	i++;
	206	ColourTo(styler, i-1, SCE_C_DEFAULT, bInAsm);
f114b858 RD	207	}
f114b858 RD	208
65ec6247 RD	209	state = SCE_C_DEFAULT;
	210	chNext = styler.SafeGetCharAt(i + 1);
	211	if (ch == '{' && chNext != '$' && chNext != '&') {
	212	state = SCE_C_COMMENT;
	213	} else if (ch == '(' && chNext == '*'
	214	&& styler.SafeGetCharAt(i + 2) != '$'
	215	&& styler.SafeGetCharAt(i + 2) != '&') {
88a8b04e	216	ColourTo(styler, i-1, state, bInAsm);
65ec6247 RD	217	state = SCE_C_COMMENTDOC;
	218	} else if (ch == '/' && chNext == '/') {
	219	state = SCE_C_COMMENTLINE;
65ec6247 RD	220	} else if (ch == '\'') {
	221	state = SCE_C_CHARACTER;
	222	} else if (isoperator(ch)) {
88a8b04e	223	ColourTo(styler, i, SCE_C_OPERATOR, bInAsm);
65ec6247	224	}
65ec6247 RD	225	}
	226	} else {
	227	if (state == SCE_C_PREPROCESSOR) {
	228	if (ch=='}'){
88a8b04e	229	ColourTo(styler, i, state, bInAsm);
65ec6247 RD	230	state = SCE_C_DEFAULT;
	231	} else {
	232	if ((ch == '\r' \|\| ch == '\n') && !(chPrev == '\\' \|\| chPrev == '\r')) {
88a8b04e	233	ColourTo(styler, i-1, state, bInAsm);
65ec6247 RD	234	state = SCE_C_DEFAULT;
	235	}
	236	}
	237	} else if (state == SCE_C_COMMENT) {
	238	if (ch == '}' ) {
88a8b04e	239	ColourTo(styler, i, state, bInAsm);
65ec6247 RD	240	state = SCE_C_DEFAULT;
	241	}
	242	} else if (state == SCE_C_COMMENTDOC) {
	243	if (ch == ')' && chPrev == '*') {
	244	if (((i > styler.GetStartSegment() + 2) \|\| (
	245	(initStyle == SCE_C_COMMENTDOC) &&
	246	(styler.GetStartSegment() == static_cast<unsigned int>(startPos))))) {
88a8b04e	247	ColourTo(styler, i, state, bInAsm);
65ec6247 RD	248	state = SCE_C_DEFAULT;
	249	}
	250	}
	251	} else if (state == SCE_C_COMMENTLINE) {
	252	if (ch == '\r' \|\| ch == '\n') {
88a8b04e	253	ColourTo(styler, i-1, state, bInAsm);
65ec6247 RD	254	state = SCE_C_DEFAULT;
65ec6247 RD	255	}
65ec6247	256	} else if (state == SCE_C_CHARACTER) {
88a8b04e RD	257	if (ch == '\'') {
88a8b04e RD	258	ColourTo(styler, i, state, bInAsm);
65ec6247 RD	259	state = SCE_C_DEFAULT;
	260	}
	261	}
	262	}
	263	chPrev = ch;
	264	}
88a8b04e	265	ColourTo(styler, lengthDoc - 1, state, bInAsm);
f114b858	266	}
65ec6247	267
f114b858 RD	268	static void FoldPascalDoc(unsigned int startPos, int length, int initStyle, WordList *[],
	269	Accessor &styler) {
	270	bool foldComment = styler.GetPropertyInt("fold.comment") != 0;
	271	bool foldPreprocessor = styler.GetPropertyInt("fold.preprocessor") != 0;
	272	bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
	273	unsigned int endPos = startPos + length;
	274	int visibleChars = 0;
	275	int lineCurrent = styler.GetLine(startPos);
	276	int levelPrev = styler.LevelAt(lineCurrent) & SC_FOLDLEVELNUMBERMASK;
	277	int levelCurrent = levelPrev;
	278	char chNext = styler[startPos];
	279	int styleNext = styler.StyleAt(startPos);
	280	int style = initStyle;
	281
	282	int lastStart = 0;
	283
	284	for (unsigned int i = startPos; i < endPos; i++) {
	285	char ch = chNext;
	286	chNext = styler.SafeGetCharAt(i + 1);
	287	int stylePrev = style;
	288	style = styleNext;
	289	styleNext = styler.StyleAt(i + 1);
	290	bool atEOL = (ch == '\r' && chNext != '\n') \|\| (ch == '\n');
	291
	292	if (stylePrev == SCE_C_DEFAULT && style == SCE_C_WORD)
	293	{
	294	// Store last word start point.
	295	lastStart = i;
	296	}
	297
	298	if (stylePrev == SCE_C_WORD) {
	299	if(iswordchar(ch) && !iswordchar(chNext)) {
	300	char s[100];
	301	getRange(lastStart, i, styler, s, sizeof(s));
	302	levelCurrent += classifyFoldPointPascal(s);
	303	}
	304	}
	305
	306	if (foldComment && (style == SCE_C_COMMENTLINE)) {
	307	if ((ch == '/') && (chNext == '/')) {
	308	char chNext2 = styler.SafeGetCharAt(i + 2);
	309	if (chNext2 == '{') {
	310	levelCurrent++;
	311	} else if (chNext2 == '}') {
	312	levelCurrent--;
	313	}
	314	}
	315	}
	316
	317	if (foldPreprocessor && (style == SCE_C_PREPROCESSOR)) {
	318	if (ch == '{' && chNext == '$') {
	319	unsigned int j=i+2; // skip {$
	320	while ((j<endPos) && IsASpaceOrTab(styler.SafeGetCharAt(j))) {
	321	j++;
	322	}
	323	if (styler.Match(j, "region") \|\| styler.Match(j, "if")) {
	324	levelCurrent++;
	325	} else if (styler.Match(j, "end")) {
	326	levelCurrent--;
	327	}
	328	}
	329	}
	330
	331	if (foldComment && IsStreamCommentStyle(style)) {
332	if (!IsStreamCommentStyle(stylePrev)) {
333	levelCurrent++;
334	} else if (!IsStreamCommentStyle(styleNext) && !atEOL) {
335	// Comments don't end at end of line and the next character may be unstyled.
336	levelCurrent--;
337	}
338	}
339
340	if (atEOL) {
341	int lev = levelPrev;
342	if (visibleChars == 0 && foldCompact)
343	lev \|= SC_FOLDLEVELWHITEFLAG;
344	if ((levelCurrent > levelPrev) && (visibleChars > 0))
345	lev \|= SC_FOLDLEVELHEADERFLAG;
346	if (lev != styler.LevelAt(lineCurrent)) {
347	styler.SetLevel(lineCurrent, lev);
348	}
349	lineCurrent++;
350	levelPrev = levelCurrent;
351	visibleChars = 0;
352	}
9e730a78	353
f114b858 RD	354	if (!isspacechar(ch))
f114b858 RD	355	visibleChars++;
65ec6247	356	}
f114b858 RD	357
	358	// Fill in the real level of the next line, keeping the current flags as they will be filled in later
	359	int flagsNext = styler.LevelAt(lineCurrent) & ~SC_FOLDLEVELNUMBERMASK;
	360	styler.SetLevel(lineCurrent, levelPrev \| flagsNext);
65ec6247 RD	361	}
65ec6247 RD	362
9e730a78 RD	363	static const char * const pascalWordListDesc[] = {
	364	"Keywords",
	365	"Classwords",
	366	0
	367	};
	368
	369	LexerModule lmPascal(SCLEX_PASCAL, ColourisePascalDoc, "pascal", FoldPascalDoc, pascalWordListDesc);