1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
|
// 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 <string>
#include <string_view>
#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"
using namespace Lexilla;
// Extended to accept accented characters
static inline bool IsAWordChar(int ch)
{
return ch >= 0x80 ||
(isalnum(ch) || ch == '_');
}
static void ColouriseFlagShipDoc(Sci_PositionU startPos, Sci_Position 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 == '{') {
Sci_Position p = 0;
int chSeek;
Sci_PositionU 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(Sci_PositionU startPos, Sci_Position length, int,
WordList *[], Accessor &styler)
{
Sci_Position endPos = startPos + length;
// Backtrack to previous line in case need to fix its fold status
Sci_Position 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 (Sci_Position 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);
|
