[wxWidgets.git] / src / stc / scintilla / lexers / LexFlagship.cxx

// Scintilla source code edit control
/** @file LexFlagShip.cxx
 ** Lexer for Harbour and FlagShip.
 ** (Syntactically compatible to other xBase dialects, like Clipper, dBase, Clip, FoxPro etc.)
 **/
// Copyright 2005 by Randy Butler
// Copyright 2010 by Xavi <jarabal/at/gmail.com> (Harbour)
// Copyright 1998-2003 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#include <assert.h>
#include <ctype.h>

#include "ILexer.h"
#include "Scintilla.h"
#include "SciLexer.h"

#include "WordList.h"
#include "LexAccessor.h"
#include "Accessor.h"
#include "StyleContext.h"
#include "CharacterSet.h"
#include "LexerModule.h"

#ifdef SCI_NAMESPACE
using namespace Scintilla;
#endif

// Extended to accept accented characters
static inline bool IsAWordChar(int ch)
{
	return ch >= 0x80 ||
				(isalnum(ch) || ch == '_');
}

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

	WordList &keywords = *keywordlists[0];
	WordList &keywords2 = *keywordlists[1];
	WordList &keywords3 = *keywordlists[2];
	WordList &keywords4 = *keywordlists[3];
	WordList &keywords5 = *keywordlists[4];

	// property lexer.flagship.styling.within.preprocessor
	//	For Harbour code, determines whether all preprocessor code is styled in the preprocessor style (0) or only from the
	//	initial # to the end of the command word(1, the default). It also determines how to present text, dump, and disabled code.
	bool stylingWithinPreprocessor = styler.GetPropertyInt("lexer.flagship.styling.within.preprocessor", 1) != 0;

	CharacterSet setDoxygen(CharacterSet::setAlpha, "$@\\&<>#{}[]");

	int visibleChars = 0;
	int closeStringChar = 0;
	int styleBeforeDCKeyword = SCE_FS_DEFAULT;
	bool bEnableCode = initStyle < SCE_FS_DISABLEDCODE;

	StyleContext sc(startPos, length, initStyle, styler);

	for (; sc.More(); sc.Forward()) {

		// Determine if the current state should terminate.
		switch (sc.state) {
			case SCE_FS_OPERATOR:
			case SCE_FS_OPERATOR_C:
			case SCE_FS_WORDOPERATOR:
				sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
				break;
			case SCE_FS_IDENTIFIER:
			case SCE_FS_IDENTIFIER_C:
				if (!IsAWordChar(sc.ch)) {
					char s[64];
					sc.GetCurrentLowered(s, sizeof(s));
					if (keywords.InList(s)) {
						sc.ChangeState(bEnableCode ? SCE_FS_KEYWORD : SCE_FS_KEYWORD_C);
					} else if (keywords2.InList(s)) {
						sc.ChangeState(bEnableCode ? SCE_FS_KEYWORD2 : SCE_FS_KEYWORD2_C);
					} else if (bEnableCode && keywords3.InList(s)) {
						sc.ChangeState(SCE_FS_KEYWORD3);
					} else if (bEnableCode && keywords4.InList(s)) {
						sc.ChangeState(SCE_FS_KEYWORD4);
					}// Else, it is really an identifier...
					sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
				}
				break;
			case SCE_FS_NUMBER:
				if (!IsAWordChar(sc.ch) && !(sc.ch == '.' && IsADigit(sc.chNext))) {
					sc.SetState(SCE_FS_DEFAULT);
				}
				break;
			case SCE_FS_NUMBER_C:
				if (!IsAWordChar(sc.ch) && sc.ch != '.') {
					sc.SetState(SCE_FS_DEFAULT_C);
				}
				break;
			case SCE_FS_CONSTANT:
				if (!IsAWordChar(sc.ch)) {
					sc.SetState(SCE_FS_DEFAULT);
				}
				break;
			case SCE_FS_STRING:
			case SCE_FS_STRING_C:
				if (sc.ch == closeStringChar) {
					sc.ForwardSetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
				} else if (sc.atLineEnd) {
					sc.ChangeState(bEnableCode ? SCE_FS_STRINGEOL : SCE_FS_STRINGEOL_C);
				}
				break;
			case SCE_FS_STRINGEOL:
			case SCE_FS_STRINGEOL_C:
				if (sc.atLineStart) {
					sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
				}
				break;
			case SCE_FS_COMMENTDOC:
			case SCE_FS_COMMENTDOC_C:
				if (sc.Match('*', '/')) {
					sc.Forward();
					sc.ForwardSetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
				} else if (sc.ch == '@' || sc.ch == '\\') { // JavaDoc and Doxygen support
					// Verify that we have the conditions to mark a comment-doc-keyword
					if ((IsASpace(sc.chPrev) || sc.chPrev == '*') && (!IsASpace(sc.chNext))) {
						styleBeforeDCKeyword = bEnableCode ? SCE_FS_COMMENTDOC : SCE_FS_COMMENTDOC_C;
						sc.SetState(SCE_FS_COMMENTDOCKEYWORD);
					}
				}
				break;
			case SCE_FS_COMMENT:
			case SCE_FS_COMMENTLINE:
				if (sc.atLineStart) {
					sc.SetState(SCE_FS_DEFAULT);
				}
				break;
			case SCE_FS_COMMENTLINEDOC:
			case SCE_FS_COMMENTLINEDOC_C:
				if (sc.atLineStart) {
					sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
				} else if (sc.ch == '@' || sc.ch == '\\') { // JavaDoc and Doxygen support
					// Verify that we have the conditions to mark a comment-doc-keyword
					if ((IsASpace(sc.chPrev) || sc.chPrev == '/' || sc.chPrev == '!') && (!IsASpace(sc.chNext))) {
						styleBeforeDCKeyword = bEnableCode ? SCE_FS_COMMENTLINEDOC : SCE_FS_COMMENTLINEDOC_C;
						sc.SetState(SCE_FS_COMMENTDOCKEYWORD);
					}
				}
				break;
			case SCE_FS_COMMENTDOCKEYWORD:
				if ((styleBeforeDCKeyword == SCE_FS_COMMENTDOC || styleBeforeDCKeyword == SCE_FS_COMMENTDOC_C) &&
						sc.Match('*', '/')) {
					sc.ChangeState(SCE_FS_COMMENTDOCKEYWORDERROR);
					sc.Forward();
					sc.ForwardSetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
				} else if (!setDoxygen.Contains(sc.ch)) {
					char s[64];
					sc.GetCurrentLowered(s, sizeof(s));
					if (!IsASpace(sc.ch) || !keywords5.InList(s + 1)) {
						sc.ChangeState(SCE_FS_COMMENTDOCKEYWORDERROR);
					}
					sc.SetState(styleBeforeDCKeyword);
				}
				break;
			case SCE_FS_PREPROCESSOR:
			case SCE_FS_PREPROCESSOR_C:
				if (sc.atLineEnd) {
					if (!(sc.chPrev == ';' || sc.GetRelative(-2) == ';')) {
						sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
					}
				} else if (stylingWithinPreprocessor) {
					if (IsASpaceOrTab(sc.ch)) {
						sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
					}
				} else if (sc.Match('/', '*') || sc.Match('/', '/') || sc.Match('&', '&')) {
					sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
				}
				break;
			case SCE_FS_DISABLEDCODE:
				if (sc.ch == '#' && visibleChars == 0) {
					sc.SetState(bEnableCode ? SCE_FS_PREPROCESSOR : SCE_FS_PREPROCESSOR_C);
					do {	// Skip whitespace between # and preprocessor word
						sc.Forward();
					} while (IsASpaceOrTab(sc.ch) && sc.More());
					if (sc.MatchIgnoreCase("pragma")) {
						sc.Forward(6);
						do {	// Skip more whitespace until keyword
							sc.Forward();
						} while (IsASpaceOrTab(sc.ch) && sc.More());
						if (sc.MatchIgnoreCase("enddump") || sc.MatchIgnoreCase("__endtext")) {
							bEnableCode = true;
							sc.SetState(SCE_FS_DISABLEDCODE);
							sc.Forward(sc.ch == '_' ? 8 : 6);
							sc.ForwardSetState(SCE_FS_DEFAULT);
						} else {
							sc.ChangeState(SCE_FS_DISABLEDCODE);
						}
					} else {
						sc.ChangeState(SCE_FS_DISABLEDCODE);
					}
				}
				break;
			case SCE_FS_DATE:
				if (sc.ch == '}') {
					sc.ForwardSetState(SCE_FS_DEFAULT);
				} else if (sc.atLineEnd) {
					sc.ChangeState(SCE_FS_STRINGEOL);
				}
		}

		// Determine if a new state should be entered.
		if (sc.state == SCE_FS_DEFAULT || sc.state == SCE_FS_DEFAULT_C) {
			if (bEnableCode &&
					(sc.MatchIgnoreCase(".and.") || sc.MatchIgnoreCase(".not."))) {
				sc.SetState(SCE_FS_WORDOPERATOR);
				sc.Forward(4);
			} else if (bEnableCode && sc.MatchIgnoreCase(".or.")) {
				sc.SetState(SCE_FS_WORDOPERATOR);
				sc.Forward(3);
			} else if (bEnableCode &&
					(sc.MatchIgnoreCase(".t.") || sc.MatchIgnoreCase(".f.") ||
					(!IsAWordChar(sc.GetRelative(3)) && sc.MatchIgnoreCase("nil")))) {
				sc.SetState(SCE_FS_CONSTANT);
				sc.Forward(2);
			} else if (sc.Match('/', '*')) {
				sc.SetState(bEnableCode ? SCE_FS_COMMENTDOC : SCE_FS_COMMENTDOC_C);
				sc.Forward();
			} else if (bEnableCode && sc.Match('&', '&')) {
				sc.SetState(SCE_FS_COMMENTLINE);
				sc.Forward();
			} else if (sc.Match('/', '/')) {
				sc.SetState(bEnableCode ? SCE_FS_COMMENTLINEDOC : SCE_FS_COMMENTLINEDOC_C);
				sc.Forward();
			} else if (bEnableCode && sc.ch == '*' && visibleChars == 0) {
				sc.SetState(SCE_FS_COMMENT);
			} else if (sc.ch == '\"' || sc.ch == '\'') {
				sc.SetState(bEnableCode ? SCE_FS_STRING : SCE_FS_STRING_C);
				closeStringChar = sc.ch;
			} else if (closeStringChar == '>' && sc.ch == '<') {
				sc.SetState(bEnableCode ? SCE_FS_STRING : SCE_FS_STRING_C);
			} else if (sc.ch == '#' && visibleChars == 0) {
				sc.SetState(bEnableCode ? SCE_FS_PREPROCESSOR : SCE_FS_PREPROCESSOR_C);
				do {	// Skip whitespace between # and preprocessor word
					sc.Forward();
				} while (IsASpaceOrTab(sc.ch) && sc.More());
				if (sc.atLineEnd) {
					sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
				} else if (sc.MatchIgnoreCase("include")) {
					if (stylingWithinPreprocessor) {
						closeStringChar = '>';
					}
				} else if (sc.MatchIgnoreCase("pragma")) {
					sc.Forward(6);
					do {	// Skip more whitespace until keyword
						sc.Forward();
					} while (IsASpaceOrTab(sc.ch) && sc.More());
					if (sc.MatchIgnoreCase("begindump") || sc.MatchIgnoreCase("__cstream")) {
						bEnableCode = false;
						if (stylingWithinPreprocessor) {
							sc.SetState(SCE_FS_DISABLEDCODE);
							sc.Forward(8);
							sc.ForwardSetState(SCE_FS_DEFAULT_C);
						} else {
							sc.SetState(SCE_FS_DISABLEDCODE);
						}
					} else if (sc.MatchIgnoreCase("enddump") || sc.MatchIgnoreCase("__endtext")) {
						bEnableCode = true;
						sc.SetState(SCE_FS_DISABLEDCODE);
						sc.Forward(sc.ch == '_' ? 8 : 6);
						sc.ForwardSetState(SCE_FS_DEFAULT);
					}
				}
			} else if (bEnableCode && sc.ch == '{') {
				int p = 0;
				int chSeek;
				unsigned int endPos(startPos + length);
				do {	// Skip whitespace
					chSeek = sc.GetRelative(++p);
				} while (IsASpaceOrTab(chSeek) && (sc.currentPos + p < endPos));
				if (chSeek == '^') {
					sc.SetState(SCE_FS_DATE);
				} else {
					sc.SetState(SCE_FS_OPERATOR);
				}
			} else if (IsADigit(sc.ch) || (sc.ch == '.' && IsADigit(sc.chNext))) {
				sc.SetState(bEnableCode ? SCE_FS_NUMBER : SCE_FS_NUMBER_C);
			} else if (IsAWordChar(sc.ch)) {
				sc.SetState(bEnableCode ? SCE_FS_IDENTIFIER : SCE_FS_IDENTIFIER_C);
			} else if (isoperator(static_cast<char>(sc.ch)) || (bEnableCode && sc.ch == '@')) {
				sc.SetState(bEnableCode ? SCE_FS_OPERATOR : SCE_FS_OPERATOR_C);
			}
		}

		if (sc.atLineEnd) {
			visibleChars = 0;
			closeStringChar = 0;
		}
		if (!IsASpace(sc.ch)) {
			visibleChars++;
		}
	}
	sc.Complete();
}

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

	int endPos = startPos + length;

	// Backtrack to previous line in case need to fix its fold status
	int lineCurrent = styler.GetLine(startPos);
	if (startPos > 0 && lineCurrent > 0) {
			lineCurrent--;
			startPos = styler.LineStart(lineCurrent);
	}
	int spaceFlags = 0;
	int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags);
	char chNext = styler[startPos];
	for (int i = startPos; i < endPos; i++) {
		char ch = chNext;
		chNext = styler.SafeGetCharAt(i + 1);

		if ((ch == '\r' && chNext != '\n') || (ch == '\n') || (i == endPos-1)) {
			int lev = indentCurrent;
			int indentNext = styler.IndentAmount(lineCurrent + 1, &spaceFlags);
			if (!(indentCurrent & SC_FOLDLEVELWHITEFLAG)) {
				if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext & SC_FOLDLEVELNUMBERMASK)) {
					lev |= SC_FOLDLEVELHEADERFLAG;
				} else if (indentNext & SC_FOLDLEVELWHITEFLAG) {
					int spaceFlags2 = 0;
					int indentNext2 = styler.IndentAmount(lineCurrent + 2, &spaceFlags2);
					if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext2 & SC_FOLDLEVELNUMBERMASK)) {
						lev |= SC_FOLDLEVELHEADERFLAG;
					}
				}
			}
			indentCurrent = indentNext;
			styler.SetLevel(lineCurrent, lev);
			lineCurrent++;
		}
	}
}

static const char * const FSWordListDesc[] = {
	"Keywords Commands",
	"Std Library Functions",
	"Procedure, return, exit",
	"Class (oop)",
	"Doxygen keywords",
	0
};

LexerModule lmFlagShip(SCLEX_FLAGSHIP, ColouriseFlagShipDoc, "flagship", FoldFlagShipDoc, FSWordListDesc);
Commit	Line	Data
1dcf666d RD	1	// Scintilla source code edit control
	2	/** @file LexFlagShip.cxx
	3	** Lexer for Harbour and FlagShip.
	4	** (Syntactically compatible to other xBase dialects, like Clipper, dBase, Clip, FoxPro etc.)
	5	**/
	6	// Copyright 2005 by Randy Butler
	7	// Copyright 2010 by Xavi <jarabal/at/gmail.com> (Harbour)
	8	// Copyright 1998-2003 by Neil Hodgson <neilh@scintilla.org>
	9	// The License.txt file describes the conditions under which this software may be distributed.
	10
	11	#include <stdlib.h>
	12	#include <string.h>
	13	#include <stdio.h>
	14	#include <stdarg.h>
	15	#include <assert.h>
	16	#include <ctype.h>
	17
	18	#include "ILexer.h"
	19	#include "Scintilla.h"
	20	#include "SciLexer.h"
	21
	22	#include "WordList.h"
	23	#include "LexAccessor.h"
	24	#include "Accessor.h"
	25	#include "StyleContext.h"
	26	#include "CharacterSet.h"
	27	#include "LexerModule.h"
	28
	29	#ifdef SCI_NAMESPACE
	30	using namespace Scintilla;
	31	#endif
	32
	33	// Extended to accept accented characters
	34	static inline bool IsAWordChar(int ch)
	35	{
	36	return ch >= 0x80 \|\|
	37	(isalnum(ch) \|\| ch == '_');
	38	}
	39
	40	static void ColouriseFlagShipDoc(unsigned int startPos, int length, int initStyle,
	41	WordList *keywordlists[], Accessor &styler)
	42	{
	43
	44	WordList &keywords = *keywordlists[0];
	45	WordList &keywords2 = *keywordlists[1];
	46	WordList &keywords3 = *keywordlists[2];
	47	WordList &keywords4 = *keywordlists[3];
	48	WordList &keywords5 = *keywordlists[4];
	49
	50	// property lexer.flagship.styling.within.preprocessor
	51	// For Harbour code, determines whether all preprocessor code is styled in the preprocessor style (0) or only from the
	52	// initial # to the end of the command word(1, the default). It also determines how to present text, dump, and disabled code.
	53	bool stylingWithinPreprocessor = styler.GetPropertyInt("lexer.flagship.styling.within.preprocessor", 1) != 0;
	54
	55	CharacterSet setDoxygen(CharacterSet::setAlpha, "$@\\&<>#{}[]");
	56
	57	int visibleChars = 0;
	58	int closeStringChar = 0;
	59	int styleBeforeDCKeyword = SCE_FS_DEFAULT;
	60	bool bEnableCode = initStyle < SCE_FS_DISABLEDCODE;
	61
	62	StyleContext sc(startPos, length, initStyle, styler);
	63
	64	for (; sc.More(); sc.Forward()) {
65
66	// Determine if the current state should terminate.
67	switch (sc.state) {
68	case SCE_FS_OPERATOR:
69	case SCE_FS_OPERATOR_C:
70	case SCE_FS_WORDOPERATOR:
71	sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
72	break;
73	case SCE_FS_IDENTIFIER:
74	case SCE_FS_IDENTIFIER_C:
75	if (!IsAWordChar(sc.ch)) {
76	char s[64];
77	sc.GetCurrentLowered(s, sizeof(s));
78	if (keywords.InList(s)) {
79	sc.ChangeState(bEnableCode ? SCE_FS_KEYWORD : SCE_FS_KEYWORD_C);
80	} else if (keywords2.InList(s)) {
81	sc.ChangeState(bEnableCode ? SCE_FS_KEYWORD2 : SCE_FS_KEYWORD2_C);
82	} else if (bEnableCode && keywords3.InList(s)) {
83	sc.ChangeState(SCE_FS_KEYWORD3);
84	} else if (bEnableCode && keywords4.InList(s)) {
85	sc.ChangeState(SCE_FS_KEYWORD4);
86	}// Else, it is really an identifier...
87	sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
88	}
89	break;
90	case SCE_FS_NUMBER:
91	if (!IsAWordChar(sc.ch) && !(sc.ch == '.' && IsADigit(sc.chNext))) {
92	sc.SetState(SCE_FS_DEFAULT);
93	}
94	break;
95	case SCE_FS_NUMBER_C:
96	if (!IsAWordChar(sc.ch) && sc.ch != '.') {
97	sc.SetState(SCE_FS_DEFAULT_C);
98	}
99	break;
100	case SCE_FS_CONSTANT:
101	if (!IsAWordChar(sc.ch)) {
102	sc.SetState(SCE_FS_DEFAULT);
103	}
104	break;
105	case SCE_FS_STRING:
106	case SCE_FS_STRING_C:
107	if (sc.ch == closeStringChar) {
108	sc.ForwardSetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
109	} else if (sc.atLineEnd) {
110	sc.ChangeState(bEnableCode ? SCE_FS_STRINGEOL : SCE_FS_STRINGEOL_C);
111	}
112	break;
113	case SCE_FS_STRINGEOL:
114	case SCE_FS_STRINGEOL_C:
115	if (sc.atLineStart) {
116	sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
117	}
118	break;
119	case SCE_FS_COMMENTDOC:
120	case SCE_FS_COMMENTDOC_C:
121	if (sc.Match('*', '/')) {
122	sc.Forward();
123	sc.ForwardSetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
124	} else if (sc.ch == '@' \|\| sc.ch == '\\') { // JavaDoc and Doxygen support
125	// Verify that we have the conditions to mark a comment-doc-keyword
126	if ((IsASpace(sc.chPrev) \|\| sc.chPrev == '*') && (!IsASpace(sc.chNext))) {
127	styleBeforeDCKeyword = bEnableCode ? SCE_FS_COMMENTDOC : SCE_FS_COMMENTDOC_C;
128	sc.SetState(SCE_FS_COMMENTDOCKEYWORD);
129	}
130	}
131	break;
132	case SCE_FS_COMMENT:
133	case SCE_FS_COMMENTLINE:
134	if (sc.atLineStart) {
135	sc.SetState(SCE_FS_DEFAULT);
136	}
137	break;
138	case SCE_FS_COMMENTLINEDOC:
139	case SCE_FS_COMMENTLINEDOC_C:
140	if (sc.atLineStart) {
141	sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
142	} else if (sc.ch == '@' \|\| sc.ch == '\\') { // JavaDoc and Doxygen support
143	// Verify that we have the conditions to mark a comment-doc-keyword
144	if ((IsASpace(sc.chPrev) \|\| sc.chPrev == '/' \|\| sc.chPrev == '!') && (!IsASpace(sc.chNext))) {
145	styleBeforeDCKeyword = bEnableCode ? SCE_FS_COMMENTLINEDOC : SCE_FS_COMMENTLINEDOC_C;
146	sc.SetState(SCE_FS_COMMENTDOCKEYWORD);
147	}
148	}
149	break;
150	case SCE_FS_COMMENTDOCKEYWORD:
151	if ((styleBeforeDCKeyword == SCE_FS_COMMENTDOC \|\| styleBeforeDCKeyword == SCE_FS_COMMENTDOC_C) &&
152	sc.Match('*', '/')) {
153	sc.ChangeState(SCE_FS_COMMENTDOCKEYWORDERROR);
154	sc.Forward();
155	sc.ForwardSetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
156	} else if (!setDoxygen.Contains(sc.ch)) {
157	char s[64];
158	sc.GetCurrentLowered(s, sizeof(s));
159	if (!IsASpace(sc.ch) \|\| !keywords5.InList(s + 1)) {
160	sc.ChangeState(SCE_FS_COMMENTDOCKEYWORDERROR);
161	}
162	sc.SetState(styleBeforeDCKeyword);
163	}
164	break;
165	case SCE_FS_PREPROCESSOR:
166	case SCE_FS_PREPROCESSOR_C:
167	if (sc.atLineEnd) {
168	if (!(sc.chPrev == ';' \|\| sc.GetRelative(-2) == ';')) {
169	sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
170	}
171	} else if (stylingWithinPreprocessor) {
172	if (IsASpaceOrTab(sc.ch)) {
173	sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
174	}
175	} else if (sc.Match('/', '*') \|\| sc.Match('/', '/') \|\| sc.Match('&', '&')) {
176	sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
177	}
178	break;
179	case SCE_FS_DISABLEDCODE:
180	if (sc.ch == '#' && visibleChars == 0) {
181	sc.SetState(bEnableCode ? SCE_FS_PREPROCESSOR : SCE_FS_PREPROCESSOR_C);
182	do { // Skip whitespace between # and preprocessor word
183	sc.Forward();
184	} while (IsASpaceOrTab(sc.ch) && sc.More());
185	if (sc.MatchIgnoreCase("pragma")) {
186	sc.Forward(6);
187	do { // Skip more whitespace until keyword
188	sc.Forward();
189	} while (IsASpaceOrTab(sc.ch) && sc.More());
190	if (sc.MatchIgnoreCase("enddump") \|\| sc.MatchIgnoreCase("__endtext")) {
191	bEnableCode = true;
192	sc.SetState(SCE_FS_DISABLEDCODE);
193	sc.Forward(sc.ch == '_' ? 8 : 6);
194	sc.ForwardSetState(SCE_FS_DEFAULT);
195	} else {
196	sc.ChangeState(SCE_FS_DISABLEDCODE);
197	}
198	} else {
199	sc.ChangeState(SCE_FS_DISABLEDCODE);
200	}
201	}
202	break;
203	case SCE_FS_DATE:
204	if (sc.ch == '}') {
205	sc.ForwardSetState(SCE_FS_DEFAULT);
206	} else if (sc.atLineEnd) {
207	sc.ChangeState(SCE_FS_STRINGEOL);
208	}
209	}
210
211	// Determine if a new state should be entered.
212	if (sc.state == SCE_FS_DEFAULT \|\| sc.state == SCE_FS_DEFAULT_C) {
213	if (bEnableCode &&
214	(sc.MatchIgnoreCase(".and.") \|\| sc.MatchIgnoreCase(".not."))) {
215	sc.SetState(SCE_FS_WORDOPERATOR);
216	sc.Forward(4);
217	} else if (bEnableCode && sc.MatchIgnoreCase(".or.")) {
218	sc.SetState(SCE_FS_WORDOPERATOR);
219	sc.Forward(3);
220	} else if (bEnableCode &&
221	(sc.MatchIgnoreCase(".t.") \|\| sc.MatchIgnoreCase(".f.") \|\|
222	(!IsAWordChar(sc.GetRelative(3)) && sc.MatchIgnoreCase("nil")))) {
223	sc.SetState(SCE_FS_CONSTANT);
224	sc.Forward(2);
225	} else if (sc.Match('/', '*')) {
226	sc.SetState(bEnableCode ? SCE_FS_COMMENTDOC : SCE_FS_COMMENTDOC_C);
227	sc.Forward();
228	} else if (bEnableCode && sc.Match('&', '&')) {
229	sc.SetState(SCE_FS_COMMENTLINE);
230	sc.Forward();
231	} else if (sc.Match('/', '/')) {
232	sc.SetState(bEnableCode ? SCE_FS_COMMENTLINEDOC : SCE_FS_COMMENTLINEDOC_C);
233	sc.Forward();
234	} else if (bEnableCode && sc.ch == '*' && visibleChars == 0) {
235	sc.SetState(SCE_FS_COMMENT);
236	} else if (sc.ch == '\"' \|\| sc.ch == '\'') {
237	sc.SetState(bEnableCode ? SCE_FS_STRING : SCE_FS_STRING_C);
238	closeStringChar = sc.ch;
239	} else if (closeStringChar == '>' && sc.ch == '<') {
240	sc.SetState(bEnableCode ? SCE_FS_STRING : SCE_FS_STRING_C);
241	} else if (sc.ch == '#' && visibleChars == 0) {
242	sc.SetState(bEnableCode ? SCE_FS_PREPROCESSOR : SCE_FS_PREPROCESSOR_C);
243	do { // Skip whitespace between # and preprocessor word
244	sc.Forward();
245	} while (IsASpaceOrTab(sc.ch) && sc.More());
246	if (sc.atLineEnd) {
247	sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
248	} else if (sc.MatchIgnoreCase("include")) {
249	if (stylingWithinPreprocessor) {
250	closeStringChar = '>';
251	}
252	} else if (sc.MatchIgnoreCase("pragma")) {
253	sc.Forward(6);
254	do { // Skip more whitespace until keyword
255	sc.Forward();
256	} while (IsASpaceOrTab(sc.ch) && sc.More());
257	if (sc.MatchIgnoreCase("begindump") \|\| sc.MatchIgnoreCase("__cstream")) {
258	bEnableCode = false;
259	if (stylingWithinPreprocessor) {
260	sc.SetState(SCE_FS_DISABLEDCODE);
261	sc.Forward(8);
262	sc.ForwardSetState(SCE_FS_DEFAULT_C);
263	} else {
264	sc.SetState(SCE_FS_DISABLEDCODE);
265	}
266	} else if (sc.MatchIgnoreCase("enddump") \|\| sc.MatchIgnoreCase("__endtext")) {
267	bEnableCode = true;
268	sc.SetState(SCE_FS_DISABLEDCODE);
269	sc.Forward(sc.ch == '_' ? 8 : 6);
270	sc.ForwardSetState(SCE_FS_DEFAULT);
271	}
272	}
273	} else if (bEnableCode && sc.ch == '{') {
274	int p = 0;
275	int chSeek;
276	unsigned int endPos(startPos + length);
277	do { // Skip whitespace
278	chSeek = sc.GetRelative(++p);
279	} while (IsASpaceOrTab(chSeek) && (sc.currentPos + p < endPos));
280	if (chSeek == '^') {
281	sc.SetState(SCE_FS_DATE);
282	} else {
283	sc.SetState(SCE_FS_OPERATOR);
284	}
285	} else if (IsADigit(sc.ch) \|\| (sc.ch == '.' && IsADigit(sc.chNext))) {
286	sc.SetState(bEnableCode ? SCE_FS_NUMBER : SCE_FS_NUMBER_C);
287	} else if (IsAWordChar(sc.ch)) {
288	sc.SetState(bEnableCode ? SCE_FS_IDENTIFIER : SCE_FS_IDENTIFIER_C);
289	} else if (isoperator(static_cast<char>(sc.ch)) \|\| (bEnableCode && sc.ch == '@')) {
290	sc.SetState(bEnableCode ? SCE_FS_OPERATOR : SCE_FS_OPERATOR_C);
291	}
292	}
293
294	if (sc.atLineEnd) {
295	visibleChars = 0;
296	closeStringChar = 0;
297	}
298	if (!IsASpace(sc.ch)) {
299	visibleChars++;
300	}
301	}
302	sc.Complete();
303	}
304
305	static void FoldFlagShipDoc(unsigned int startPos, int length, int,
306	WordList *[], Accessor &styler)
307	{
308
309	int endPos = startPos + length;
310
311	// Backtrack to previous line in case need to fix its fold status
312	int lineCurrent = styler.GetLine(startPos);
313	if (startPos > 0 && lineCurrent > 0) {
314	lineCurrent--;
315	startPos = styler.LineStart(lineCurrent);
316	}
317	int spaceFlags = 0;
318	int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags);
319	char chNext = styler[startPos];
320	for (int i = startPos; i < endPos; i++) {
321	char ch = chNext;
322	chNext = styler.SafeGetCharAt(i + 1);
323
324	if ((ch == '\r' && chNext != '\n') \|\| (ch == '\n') \|\| (i == endPos-1)) {
325	int lev = indentCurrent;
326	int indentNext = styler.IndentAmount(lineCurrent + 1, &spaceFlags);
327	if (!(indentCurrent & SC_FOLDLEVELWHITEFLAG)) {
328	if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext & SC_FOLDLEVELNUMBERMASK)) {
329	lev \|= SC_FOLDLEVELHEADERFLAG;
330	} else if (indentNext & SC_FOLDLEVELWHITEFLAG) {
331	int spaceFlags2 = 0;
332	int indentNext2 = styler.IndentAmount(lineCurrent + 2, &spaceFlags2);
333	if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext2 & SC_FOLDLEVELNUMBERMASK)) {
334	lev \|= SC_FOLDLEVELHEADERFLAG;
335	}
336	}
337	}
338	indentCurrent = indentNext;
339	styler.SetLevel(lineCurrent, lev);
340	lineCurrent++;
341	}
342	}
343	}
344
345	static const char * const FSWordListDesc[] = {
346	"Keywords Commands",
347	"Std Library Functions",
348	"Procedure, return, exit",
349	"Class (oop)",
350	"Doxygen keywords",
351	0
352	};
353
354	LexerModule lmFlagShip(SCLEX_FLAGSHIP, ColouriseFlagShipDoc, "flagship", FoldFlagShipDoc, FSWordListDesc);