source: trunk/tools/linguist/lupdate/qscript.cpp@ 846

Last change on this file since 846 was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.
  • Property svn:eol-style set to native
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42
43
44#define Q_SCRIPT_REGEXPLITERAL_RULE1 7
45
46#define Q_SCRIPT_REGEXPLITERAL_RULE2 8
47
48#include <translator.h>
49
50#include <QtCore/QCoreApplication>
51#include <QtCore/qdebug.h>
52#include <QtCore/qnumeric.h>
53#include <QtCore/qstring.h>
54#include <QtCore/qtextcodec.h>
55#include <QtCore/qvariant.h>
56
57#include <iostream>
58
59#include <ctype.h>
60#include <stdlib.h>
61#include <stdio.h>
62#include <string.h>
63
64QT_BEGIN_NAMESPACE
65
66class LU {
67 Q_DECLARE_TR_FUNCTIONS(LUpdate)
68};
69
70class QScriptGrammar
71{
72public:
73 enum {
74 EOF_SYMBOL = 0,
75 T_AND = 1,
76 T_AND_AND = 2,
77 T_AND_EQ = 3,
78 T_AUTOMATIC_SEMICOLON = 62,
79 T_BREAK = 4,
80 T_CASE = 5,
81 T_CATCH = 6,
82 T_COLON = 7,
83 T_COMMA = 8,
84 T_CONST = 81,
85 T_CONTINUE = 9,
86 T_DEBUGGER = 82,
87 T_DEFAULT = 10,
88 T_DELETE = 11,
89 T_DIVIDE_ = 12,
90 T_DIVIDE_EQ = 13,
91 T_DO = 14,
92 T_DOT = 15,
93 T_ELSE = 16,
94 T_EQ = 17,
95 T_EQ_EQ = 18,
96 T_EQ_EQ_EQ = 19,
97 T_FALSE = 80,
98 T_FINALLY = 20,
99 T_FOR = 21,
100 T_FUNCTION = 22,
101 T_GE = 23,
102 T_GT = 24,
103 T_GT_GT = 25,
104 T_GT_GT_EQ = 26,
105 T_GT_GT_GT = 27,
106 T_GT_GT_GT_EQ = 28,
107 T_IDENTIFIER = 29,
108 T_IF = 30,
109 T_IN = 31,
110 T_INSTANCEOF = 32,
111 T_LBRACE = 33,
112 T_LBRACKET = 34,
113 T_LE = 35,
114 T_LPAREN = 36,
115 T_LT = 37,
116 T_LT_LT = 38,
117 T_LT_LT_EQ = 39,
118 T_MINUS = 40,
119 T_MINUS_EQ = 41,
120 T_MINUS_MINUS = 42,
121 T_NEW = 43,
122 T_NOT = 44,
123 T_NOT_EQ = 45,
124 T_NOT_EQ_EQ = 46,
125 T_NULL = 78,
126 T_NUMERIC_LITERAL = 47,
127 T_OR = 48,
128 T_OR_EQ = 49,
129 T_OR_OR = 50,
130 T_PLUS = 51,
131 T_PLUS_EQ = 52,
132 T_PLUS_PLUS = 53,
133 T_QUESTION = 54,
134 T_RBRACE = 55,
135 T_RBRACKET = 56,
136 T_REMAINDER = 57,
137 T_REMAINDER_EQ = 58,
138 T_RESERVED_WORD = 83,
139 T_RETURN = 59,
140 T_RPAREN = 60,
141 T_SEMICOLON = 61,
142 T_STAR = 63,
143 T_STAR_EQ = 64,
144 T_STRING_LITERAL = 65,
145 T_SWITCH = 66,
146 T_THIS = 67,
147 T_THROW = 68,
148 T_TILDE = 69,
149 T_TRUE = 79,
150 T_TRY = 70,
151 T_TYPEOF = 71,
152 T_VAR = 72,
153 T_VOID = 73,
154 T_WHILE = 74,
155 T_WITH = 75,
156 T_XOR = 76,
157 T_XOR_EQ = 77,
158
159 ACCEPT_STATE = 236,
160 RULE_COUNT = 267,
161 STATE_COUNT = 465,
162 TERMINAL_COUNT = 84,
163 NON_TERMINAL_COUNT = 88,
164
165 GOTO_INDEX_OFFSET = 465,
166 GOTO_INFO_OFFSET = 1374,
167 GOTO_CHECK_OFFSET = 1374
168 };
169
170 static const char *const spell [];
171 static const int lhs [];
172 static const int rhs [];
173 static const int goto_default [];
174 static const int action_default [];
175 static const int action_index [];
176 static const int action_info [];
177 static const int action_check [];
178
179 static inline int nt_action (int state, int nt)
180 {
181 const int *const goto_index = &action_index [GOTO_INDEX_OFFSET];
182 const int *const goto_check = &action_check [GOTO_CHECK_OFFSET];
183
184 const int yyn = goto_index [state] + nt;
185
186 if (yyn < 0 || goto_check [yyn] != nt)
187 return goto_default [nt];
188
189 const int *const goto_info = &action_info [GOTO_INFO_OFFSET];
190 return goto_info [yyn];
191 }
192
193 static inline int t_action (int state, int token)
194 {
195 const int yyn = action_index [state] + token;
196
197 if (yyn < 0 || action_check [yyn] != token)
198 return - action_default [state];
199
200 return action_info [yyn];
201 }
202};
203
204const char *const QScriptGrammar::spell [] = {
205 "end of file", "&", "&&", "&=", "break", "case", "catch", ":", ";", "continue",
206 "default", "delete", "/", "/=", "do", ".", "else", "=", "==", "===",
207 "finally", "for", "function", ">=", ">", ">>", ">>=", ">>>", ">>>=", "identifier",
208 "if", "in", "instanceof", "{", "[", "<=", "(", "<", "<<", "<<=",
209 "-", "-=", "--", "new", "!", "!=", "!==", "numeric literal", "|", "|=",
210 "||", "+", "+=", "++", "?", "}", "]", "%", "%=", "return",
211 ")", ";", 0, "*", "*=", "string literal", "switch", "this", "throw", "~",
212 "try", "typeof", "var", "void", "while", "with", "^", "^=", "null", "true",
213 "false", "const", "debugger", "reserved word"};
214
215const int QScriptGrammar::lhs [] = {
216 85, 85, 85, 85, 85, 85, 85, 85, 85, 85,
217 85, 85, 85, 85, 87, 87, 91, 91, 86, 86,
218 92, 92, 93, 93, 93, 93, 94, 94, 94, 94,
219 94, 94, 94, 94, 94, 94, 94, 94, 94, 94,
220 94, 94, 94, 94, 94, 94, 94, 94, 94, 94,
221 94, 94, 94, 94, 94, 94, 94, 95, 95, 96,
222 96, 96, 96, 96, 99, 99, 100, 100, 100, 100,
223 98, 98, 101, 101, 102, 102, 103, 103, 103, 104,
224 104, 104, 104, 104, 104, 104, 104, 104, 104, 105,
225 105, 105, 105, 106, 106, 106, 107, 107, 107, 107,
226 108, 108, 108, 108, 108, 108, 108, 109, 109, 109,
227 109, 109, 109, 110, 110, 110, 110, 110, 111, 111,
228 111, 111, 111, 112, 112, 113, 113, 114, 114, 115,
229 115, 116, 116, 117, 117, 118, 118, 119, 119, 120,
230 120, 121, 121, 122, 122, 123, 123, 90, 90, 124,
231 124, 125, 125, 125, 125, 125, 125, 125, 125, 125,
232 125, 125, 125, 89, 89, 126, 126, 127, 127, 128,
233 128, 129, 129, 129, 129, 129, 129, 129, 129, 129,
234 129, 129, 129, 129, 129, 129, 130, 146, 146, 145,
235 145, 131, 131, 147, 147, 148, 148, 150, 150, 149,
236 151, 154, 152, 152, 155, 153, 153, 132, 133, 133,
237 134, 134, 135, 135, 135, 135, 135, 135, 135, 136,
238 136, 136, 136, 137, 137, 137, 137, 138, 138, 139,
239 141, 156, 156, 159, 159, 157, 157, 160, 158, 140,
240 142, 142, 143, 143, 143, 161, 162, 144, 163, 97,
241 167, 167, 164, 164, 165, 165, 168, 84, 169, 169,
242 170, 170, 166, 166, 88, 88, 171};
243
244const int QScriptGrammar:: rhs[] = {
245 1, 1, 1, 1, 1, 1, 1, 1, 1, 3,
246 3, 5, 3, 3, 2, 4, 1, 2, 0, 1,
247 3, 5, 1, 1, 1, 1, 1, 1, 1, 1,
248 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
249 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
250 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
251 1, 4, 3, 3, 1, 2, 2, 2, 4, 3,
252 2, 3, 1, 3, 1, 1, 1, 2, 2, 1,
253 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
254 3, 3, 3, 1, 3, 3, 1, 3, 3, 3,
255 1, 3, 3, 3, 3, 3, 3, 1, 3, 3,
256 3, 3, 3, 1, 3, 3, 3, 3, 1, 3,
257 3, 3, 3, 1, 3, 1, 3, 1, 3, 1,
258 3, 1, 3, 1, 3, 1, 3, 1, 3, 1,
259 3, 1, 3, 1, 5, 1, 5, 1, 3, 1,
260 3, 1, 1, 1, 1, 1, 1, 1, 1, 1,
261 1, 1, 1, 1, 3, 0, 1, 1, 3, 0,
262 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
263 1, 1, 1, 1, 1, 1, 3, 1, 2, 0,
264 1, 3, 3, 1, 1, 1, 3, 1, 3, 2,
265 2, 2, 0, 1, 2, 0, 1, 1, 2, 2,
266 7, 5, 7, 7, 5, 9, 10, 7, 8, 2,
267 2, 3, 3, 2, 2, 3, 3, 3, 3, 5,
268 5, 3, 5, 1, 2, 0, 1, 4, 3, 3,
269 3, 3, 3, 3, 4, 5, 2, 1, 8, 8,
270 1, 3, 0, 1, 0, 1, 1, 1, 1, 2,
271 1, 1, 0, 1, 0, 1, 2};
272
273const int QScriptGrammar::action_default [] = {
274 0, 97, 164, 128, 136, 132, 172, 179, 76, 148,
275 178, 186, 174, 124, 0, 175, 262, 61, 176, 177,
276 182, 77, 140, 144, 65, 94, 75, 80, 60, 0,
277 114, 180, 101, 259, 258, 261, 183, 0, 194, 0,
278 248, 0, 8, 9, 0, 5, 0, 263, 2, 0,
279 265, 19, 0, 0, 0, 0, 0, 3, 6, 0,
280 0, 166, 208, 7, 0, 1, 0, 0, 4, 0,
281 0, 195, 0, 0, 0, 184, 185, 90, 0, 173,
282 181, 0, 0, 77, 96, 263, 2, 265, 79, 78,
283 0, 0, 0, 92, 93, 91, 0, 264, 253, 254,
284 0, 251, 0, 252, 0, 255, 256, 0, 257, 250,
285 260, 0, 266, 0, 26, 27, 28, 29, 30, 31,
286 32, 33, 34, 35, 36, 37, 38, 39, 40, 23,
287 41, 42, 43, 44, 45, 25, 46, 47, 24, 48,
288 49, 50, 51, 52, 53, 54, 55, 56, 57, 0,
289 21, 0, 0, 0, 22, 13, 95, 0, 125, 0,
290 0, 0, 0, 115, 0, 0, 0, 0, 0, 0,
291 105, 0, 0, 0, 99, 100, 98, 103, 107, 106,
292 104, 102, 117, 116, 118, 0, 133, 0, 129, 68,
293 0, 0, 0, 70, 59, 58, 0, 0, 69, 165,
294 0, 73, 71, 0, 72, 74, 209, 210, 0, 161,
295 154, 152, 159, 160, 158, 157, 163, 156, 155, 153,
296 162, 149, 0, 137, 0, 0, 141, 0, 0, 145,
297 67, 0, 0, 63, 0, 62, 267, 224, 0, 225,
298 226, 227, 220, 0, 221, 222, 223, 81, 0, 0,
299 0, 0, 0, 213, 214, 170, 168, 130, 138, 134,
300 150, 126, 171, 0, 77, 142, 146, 119, 108, 0,
301 0, 127, 0, 0, 0, 0, 120, 0, 0, 0,
302 0, 0, 112, 110, 113, 111, 109, 122, 121, 123,
303 0, 135, 0, 131, 0, 169, 77, 0, 151, 166,
304 167, 0, 166, 0, 0, 216, 0, 0, 0, 218,
305 0, 139, 0, 0, 143, 0, 0, 147, 206, 0,
306 198, 207, 201, 0, 205, 0, 166, 199, 0, 166,
307 0, 0, 217, 0, 0, 0, 219, 264, 253, 0,
308 0, 255, 0, 249, 0, 240, 0, 0, 0, 212,
309 0, 211, 188, 191, 0, 27, 30, 31, 248, 34,
310 35, 5, 39, 40, 2, 41, 44, 3, 6, 166,
311 7, 48, 1, 50, 4, 52, 53, 54, 55, 56,
312 57, 189, 187, 65, 66, 64, 0, 228, 229, 0,
313 0, 0, 231, 236, 234, 237, 0, 0, 235, 236,
314 0, 232, 0, 233, 190, 239, 0, 190, 238, 0,
315 241, 242, 0, 190, 243, 244, 0, 0, 245, 0,
316 0, 0, 246, 247, 83, 82, 0, 0, 0, 215,
317 0, 0, 0, 230, 0, 20, 0, 17, 19, 11,
318 0, 16, 12, 18, 15, 10, 0, 14, 87, 85,
319 89, 86, 84, 88, 203, 196, 0, 204, 200, 0,
320 202, 192, 0, 193, 197};
321
322const int QScriptGrammar::goto_default [] = {
323 29, 28, 436, 434, 113, 14, 2, 435, 112, 111,
324 114, 193, 24, 17, 189, 26, 8, 200, 21, 27,
325 77, 25, 1, 32, 30, 267, 13, 261, 3, 257,
326 5, 259, 4, 258, 22, 265, 23, 266, 9, 260,
327 256, 297, 386, 262, 263, 35, 6, 79, 12, 15,
328 18, 19, 10, 7, 31, 80, 20, 36, 75, 76,
329 11, 354, 353, 78, 456, 455, 319, 320, 458, 322,
330 457, 321, 392, 396, 399, 395, 394, 414, 415, 16,
331 100, 107, 96, 99, 106, 108, 33, 0};
332
333const int QScriptGrammar::action_index [] = {
334 1210, 59, -84, 71, 41, -1, -84, -84, 148, -84,
335 -84, -84, -84, 201, 130, -84, -84, -84, -84, -84,
336 -84, 343, 67, 62, 122, 109, -84, -84, -84, 85,
337 273, -84, 184, -84, 1210, -84, -84, 119, -84, 112,
338 -84, 521, -84, -84, 1130, -84, 45, 54, 58, 38,
339 1290, 50, 521, 521, 521, 376, 521, -84, -84, 521,
340 521, 521, -84, -84, 25, -84, 521, 521, -84, 43,
341 521, -84, 521, 18, 15, -84, -84, -84, 24, -84,
342 -84, 521, 521, 64, 153, 27, -84, 1050, -84, -84,
343 521, 521, 521, -84, -84, -84, 28, -84, 37, 55,
344 19, -84, 33, -84, 34, 1210, -84, 16, 1210, -84,
345 -84, 39, 52, -3, -84, -84, -84, -84, -84, -84,
346 -84, -84, -84, -84, -84, -84, -84, -84, -84, -84,
347 -84, -84, -84, -84, -84, -84, -84, -84, -84, -84,
348 -84, -84, -84, -84, -84, -84, -84, -84, -84, 521,
349 -84, 1050, 125, 521, -84, -84, 155, 521, 189, 521,
350 521, 521, 521, 248, 521, 521, 521, 521, 521, 521,
351 243, 521, 521, 521, 75, 82, 94, 177, 184, 184,
352 184, 184, 263, 283, 298, 521, 44, 521, 77, -84,
353 970, 521, 817, -84, -84, -84, 95, 521, -84, -84,
354 93, -84, -84, 521, -84, -84, -84, -84, 521, -84,
355 -84, -84, -84, -84, -84, -84, -84, -84, -84, -84,
356 -84, -84, 521, 41, 521, 521, 68, 66, 521, -84,
357 -84, 970, 521, -84, 103, -84, -84, -84, 63, -84,
358 -84, -84, -84, 69, -84, -84, -84, -84, -27, 12,
359 521, 92, 100, -84, -84, 890, -84, 31, -13, -45,
360 -84, 210, 32, -28, 387, 20, 73, 304, 117, -5,
361 521, 212, 521, 521, 521, 521, 213, 521, 521, 521,
362 521, 521, 151, 150, 176, 158, 168, 304, 304, 228,
363 521, -72, 521, 4, 521, -84, 306, 521, -84, 521,
364 8, -50, 521, -48, 1130, -84, 521, 80, 1130, -84,
365 521, -33, 521, 521, 5, 48, 521, -84, 17, 88,
366 11, -84, -84, 521, -84, -29, 521, -84, -41, 521,
367 -39, 1130, -84, 521, 87, 1130, -84, -8, -2, -35,
368 10, 1210, -16, -84, 1130, -84, 521, 86, 1130, -14,
369 1130, -84, -84, 1130, -36, 107, -21, 165, 3, 521,
370 1130, 6, 14, 61, 7, -19, 448, -4, -6, 671,
371 29, 13, 23, 521, 30, -10, 521, 9, 521, -30,
372 -18, -84, -84, 164, -84, -84, 46, -84, -84, 521,
373 111, -24, -84, 36, -84, 40, 99, 521, -84, 21,
374 22, -84, -11, -84, 1130, -84, 106, 1130, -84, 178,
375 -84, -84, 98, 1130, 57, -84, 56, 60, -84, 51,
376 26, 35, -84, -84, -84, -84, 521, 97, 1130, -84,
377 521, 90, 1130, -84, 79, 76, 744, -84, 49, -84,
378 594, -84, -84, -84, -84, -84, 83, -84, -84, -84,
379 -84, -84, -84, -84, 42, -84, 162, -84, -84, 521,
380 -84, -84, 53, -84, -84,
381
382 -61, -88, -88, -88, -88, -88, -88, -88, -88, -88,
383 -88, -88, -88, -88, -88, -88, -88, -88, -88, -88,
384 -88, -4, -88, -88, 22, -88, -88, -88, -88, -88,
385 -88, -88, -88, -88, -51, -88, -88, -88, -88, -88,
386 -88, 105, -88, -88, -12, -88, -88, -88, -88, -88,
387 -7, -88, 35, 132, 62, 154, 79, -88, -88, 100,
388 75, 36, -88, -88, -88, -88, 37, 70, -88, -1,
389 86, -88, 92, -88, -88, -88, -88, -88, -88, -88,
390 -88, 90, 95, -88, -88, -88, -88, -88, -88, -88,
391 87, 82, 74, -88, -88, -88, -88, -88, -88, -88,
392 -88, -88, -88, -88, -88, -88, -88, -88, -47, -88,
393 -88, -88, -88, -88, -88, -88, -88, -88, -88, -88,
394 -88, -88, -88, -88, -88, -88, -88, -88, -88, -88,
395 -88, -88, -88, -88, -88, -88, -88, -88, -88, -88,
396 -88, -88, -88, -88, -88, -88, -88, -88, -88, 28,
397 -88, 20, -88, 19, -88, -88, -88, 39, -88, 42,
398 43, 106, 61, -88, 63, 55, 52, 53, 91, 125,
399 -88, 120, 123, 118, -88, -88, -88, -88, -88, -88,
400 -88, -88, -88, -88, -88, 116, -88, 59, -88, -88,
401 16, 18, 15, -88, -88, -88, -88, 21, -88, -88,
402 -88, -88, -88, 24, -88, -88, -88, -88, 38, -88,
403 -88, -88, -88, -88, -88, -88, -88, -88, -88, -88,
404 -88, -88, 97, -88, 115, 25, -88, -88, 26, -88,
405 -88, 111, 14, -88, -88, -88, -88, -88, -88, -88,
406 -88, -88, -88, -88, -88, -88, -88, -88, -88, -88,
407 23, -88, -88, -88, -88, 108, -88, -88, -88, -88,
408 -88, -88, -88, -88, -88, -88, -88, -88, -88, -88,
409 160, -88, 171, 163, 145, 179, -88, 135, 45, 41,
410 66, 80, -88, -88, -88, -88, -88, -88, -88, -88,
411 172, -88, 156, -88, 142, -88, -88, 144, -88, 122,
412 -88, -88, 114, -88, -23, -88, 48, -88, 29, -88,
413 224, -88, 157, 175, -88, -88, 182, -88, -88, -88,
414 -88, -88, -88, 183, -88, -21, 134, -88, -88, 49,
415 -88, 3, -88, 44, -88, 2, -88, -88, -37, -88,
416 -88, -31, -88, -88, 10, -88, 47, -88, 17, -88,
417 27, -88, -88, 13, -88, -88, -88, -88, -88, 117,
418 6, -88, -88, -88, -88, -88, 154, -88, -88, 1,
419 -88, -88, -88, 7, -88, -35, 137, -88, 141, -88,
420 -88, -88, -88, -6, -88, -88, -88, -88, -88, 78,
421 -88, -88, -88, -88, -88, -69, -88, 11, -88, -59,
422 -88, -88, -88, -88, 83, -88, -88, 56, -88, -88,
423 -88, -88, -88, -40, -58, -88, -88, -29, -88, -88,
424 -88, -45, -88, -88, -88, -88, -3, -88, -42, -88,
425 -5, -88, -32, -88, -88, -88, 9, -88, 8, -88,
426 -2, -88, -88, -88, -88, -88, -88, -88, -88, -88,
427 -88, -88, -88, -88, -88, -88, -88, -88, -88, 12,
428 -88, -88, -56, -88, -88};
429
430const int QScriptGrammar::action_info [] = {
431 318, -25, 350, -45, 292, 270, 426, 310, -194, 393,
432 -32, 302, 304, -37, 344, 290, 197, 346, 430, 382,
433 329, 331, 310, 413, 318, 340, 397, 101, 338, 404,
434 -49, 292, 270, 299, 323, 290, -24, -51, -195, 343,
435 294, 397, 333, 341, 403, 397, 149, 249, 250, 389,
436 255, 430, 155, 454, 426, 316, 97, 437, 437, 459,
437 151, 389, 103, 102, 98, 344, 101, 105, 413, 222,
438 222, 109, 157, 228, 346, 187, 413, 417, 157, 104,
439 420, 255, 454, 337, 443, 236, 421, 438, 197, 185,
440 97, 197, 419, 413, 197, 197, 325, -263, 197, 81,
441 197, 203, 0, 197, 416, 197, 88, 388, 387, 400,
442 82, 197, 224, 407, 197, 81, 225, 89, 417, 197,
443 187, 90, 81, 312, 241, 240, 82, 313, 0, 0,
444 246, 245, 153, 82, 81, 439, 238, 231, 197, 0,
445 308, 243, 171, 447, 172, 82, 348, 335, 238, 326,
446 432, 198, 252, 204, 401, 173, 232, 428, 192, 235,
447 0, 254, 253, 190, 0, 90, 91, 90, 239, 237,
448 462, 391, 92, 244, 242, 171, 171, 172, 172, 231,
449 239, 237, 191, 171, 192, 172, 197, 0, 173, 173,
450 0, 207, 206, 171, 243, 172, 173, 0, 232, 0,
451 192, 171, 171, 172, 172, 0, 173, 159, 160, 171,
452 91, 172, 91, 0, 173, 173, 92, 0, 92, 159,
453 160, 0, 173, 463, 461, 0, 244, 242, 272, 273,
454 272, 273, 0, 0, 161, 162, 277, 278, 0, 411,
455 410, 0, 0, 0, 0, 279, 161, 162, 280, 0,
456 281, 277, 278, 0, 0, 274, 275, 274, 275, 0,
457 279, 0, 0, 280, 0, 281, 0, 0, 171, 0,
458 172, 164, 165, 0, 0, 0, 0, 0, 0, 166,
459 167, 173, 0, 168, 0, 169, 164, 165, 0, 0,
460 0, 0, 0, 0, 166, 167, 164, 165, 168, 0,
461 169, 0, 0, 0, 166, 167, 164, 165, 168, 209,
462 169, 0, 0, 0, 166, 167, 0, 0, 168, 210,
463 169, 164, 165, 211, 0, 0, 0, 277, 278, 166,
464 167, 0, 212, 168, 213, 169, 279, 0, 0, 280,
465 0, 281, 0, 0, 0, 214, 209, 215, 88, 0,
466 0, 0, 0, 0, 0, 216, 210, 0, 217, 89,
467 211, 0, 0, 0, 218, 0, 0, 0, 0, 212,
468 219, 213, 0, 0, 0, 0, 0, 0, 0, 0,
469 0, 0, 214, 220, 215, 88, 0, 0, 42, 43,
470 209, 0, 216, 0, 0, 217, 89, 0, 85, 0,
471 210, 218, 0, 0, 211, 86, 0, 219, 0, 87,
472 51, 0, 52, 212, 0, 213, 0, 0, 306, 55,
473 220, 0, 0, 58, 0, 0, 214, 0, 215, 88,
474 0, 0, 0, 0, 0, 0, 216, 0, 0, 217,
475 89, 63, 0, 65, 0, 218, 0, 0, 0, 0,
476 0, 219, 0, 0, 57, 68, 45, 0, 0, 0,
477 42, 43, 0, 0, 220, 0, 0, 0, 0, 0,
478 85, 0, 0, 0, 0, 0, 0, 86, 0, 0,
479 0, 87, 51, 0, 52, 0, 0, 0, 0, 0,
480 0, 55, 0, 0, 0, 58, 0, 0, 0, 0,
481 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
482 0, 0, 0, 63, 0, 65, 0, 0, 0, 0,
483 0, 0, 0, 0, 0, 0, 57, 68, 45, 0,
484 0, 0, 41, 42, 43, 0, 0, 0, 0, 0,
485 0, 0, 0, 85, 0, 0, 0, 0, 0, 0,
486 86, 0, 0, 0, 87, 51, 0, 52, 0, 0,
487 0, 53, 0, 54, 55, 56, 0, 0, 58, 0,
488 0, 0, 59, 0, 60, 0, 0, 0, 0, 0,
489 0, 0, 0, 0, 0, 0, 63, 0, 65, 0,
490 67, 0, 70, 0, 72, 0, 0, 0, 0, 57,
491 68, 45, 0, 0, 0, 41, 42, 43, 0, 0,
492 0, 0, 0, 0, 0, 0, 85, 0, 0, 0,
493 0, 0, 0, 86, 0, 0, 0, 87, 51, 0,
494 52, 0, 0, 0, 53, 0, 54, 55, 56, 0,
495 0, 58, 0, 0, 0, 59, 0, 60, 0, 0,
496 442, 0, 0, 0, 0, 0, 0, 0, 0, 63,
497 0, 65, 0, 67, 0, 70, 0, 72, 0, 0,
498 0, 0, 57, 68, 45, 0, 0, 0, -47, 0,
499 0, 0, 41, 42, 43, 0, 0, 0, 0, 0,
500 0, 0, 0, 85, 0, 0, 0, 0, 0, 0,
501 86, 0, 0, 0, 87, 51, 0, 52, 0, 0,
502 0, 53, 0, 54, 55, 56, 0, 0, 58, 0,
503 0, 0, 59, 0, 60, 0, 0, 0, 0, 0,
504 0, 0, 0, 0, 0, 0, 63, 0, 65, 0,
505 67, 0, 70, 0, 72, 0, 0, 0, 0, 57,
506 68, 45, 0, 0, 0, 41, 42, 43, 0, 0,
507 0, 0, 0, 0, 0, 0, 85, 0, 0, 0,
508 0, 0, 0, 86, 0, 0, 0, 87, 51, 0,
509 52, 0, 0, 0, 53, 0, 54, 55, 56, 0,
510 0, 58, 0, 0, 0, 59, 0, 60, 0, 0,
511 445, 0, 0, 0, 0, 0, 0, 0, 0, 63,
512 0, 65, 0, 67, 0, 70, 0, 72, 0, 0,
513 0, 0, 57, 68, 45, 0, 0, 0, 41, 42,
514 43, 0, 0, 0, 0, 0, 0, 0, 0, 85,
515 0, 0, 0, 0, 0, 0, 86, 0, 0, 0,
516 87, 51, 0, 52, 0, 0, 0, 53, 0, 54,
517 55, 56, 0, 0, 58, 0, 0, 0, 59, 0,
518 60, 0, 0, 0, 0, 0, 0, 202, 0, 0,
519 0, 0, 63, 0, 65, 0, 67, 0, 70, 0,
520 72, 0, 0, 0, 0, 57, 68, 45, 0, 0,
521 0, 41, 42, 43, 0, 0, 0, 0, 0, 0,
522 0, 0, 85, 0, 0, 0, 0, 0, 0, 86,
523 0, 0, 0, 87, 51, 0, 52, 0, 0, 0,
524 53, 0, 54, 55, 56, 0, 0, 58, 0, 0,
525 0, 59, 0, 60, 0, 0, 0, 0, 0, 0,
526 0, 0, 0, 0, 0, 63, 0, 65, 0, 67,
527 0, 70, 269, 72, 0, 0, 0, 0, 57, 68,
528 45, 0, 0, 0, 115, 116, 117, 0, 0, 119,
529 121, 122, 0, 0, 123, 0, 124, 0, 0, 0,
530 126, 127, 128, 0, 0, 0, 0, 0, 0, 195,
531 130, 131, 132, 0, 0, 0, 0, 0, 0, 0,
532 0, 0, 0, 133, 0, 0, 0, 0, 0, 0,
533 0, 0, 0, 0, 0, 0, 0, 0, 0, 137,
534 0, 0, 0, 0, 0, 0, 139, 140, 141, 0,
535 143, 144, 145, 146, 147, 148, 0, 0, 134, 142,
536 125, 118, 120, 136, 115, 116, 117, 0, 0, 119,
537 121, 122, 0, 0, 123, 0, 124, 0, 0, 0,
538 126, 127, 128, 0, 0, 0, 0, 0, 0, 129,
539 130, 131, 132, 0, 0, 0, 0, 0, 0, 0,
540 0, 0, 0, 133, 0, 0, 0, 135, 0, 0,
541 0, 0, 0, 0, 0, 0, 0, 0, 0, 137,
542 0, 0, 0, 0, 0, 138, 139, 140, 141, 0,
543 143, 144, 145, 146, 147, 148, 0, 0, 134, 142,
544 125, 118, 120, 136, 37, 0, 0, 0, 0, 39,
545 0, 41, 42, 43, 44, 0, 0, 0, 0, 0,
546 0, 46, 85, 0, 0, 0, 0, 0, 0, 48,
547 49, 0, 0, 50, 51, 0, 52, 0, 0, 0,
548 53, 0, 54, 55, 56, 0, 0, 58, 0, 0,
549 0, 59, 0, 60, 0, 0, 0, 0, 0, 61,
550 0, 62, 0, 0, 0, 63, 64, 65, 66, 67,
551 69, 70, 71, 72, 73, 74, 0, 0, 57, 68,
552 45, 38, 40, 0, 37, 0, 0, 0, 0, 39,
553 0, 41, 42, 43, 44, 0, 0, 0, 0, 0,
554 0, 46, 47, 0, 0, 0, 0, 0, 0, 48,
555 49, 0, 0, 50, 51, 0, 52, 0, 0, 0,
556 53, 0, 54, 55, 56, 0, 0, 58, 0, 0,
557 0, 59, 0, 60, 0, 0, 0, 0, 0, 61,
558 0, 62, 0, 0, 0, 63, 64, 65, 66, 67,
559 69, 70, 71, 72, 73, 74, 0, 0, 57, 68,
560 45, 38, 40, 0, 355, 116, 117, 0, 0, 357,
561 121, 359, 42, 43, 360, 0, 124, 0, 0, 0,
562 126, 362, 363, 0, 0, 0, 0, 0, 0, 364,
563 365, 131, 132, 50, 51, 0, 52, 0, 0, 0,
564 53, 0, 54, 366, 56, 0, 0, 368, 0, 0,
565 0, 59, 0, 60, 0, -190, 0, 0, 0, 369,
566 0, 62, 0, 0, 0, 370, 371, 372, 373, 67,
567 375, 376, 377, 378, 379, 380, 0, 0, 367, 374,
568 361, 356, 358, 136,
569
570 431, 422, 427, 429, 441, 352, 300, 398, 385, 464,
571 440, 412, 409, 433, 402, 444, 406, 423, 460, 234,
572 418, 201, 305, 196, 34, 154, 194, 199, 251, 152,
573 205, 227, 229, 248, 150, 110, 230, 208, 352, 110,
574 446, 300, 409, 339, 221, 412, 327, 336, 332, 334,
575 342, 248, 347, 307, 300, 345, 0, 83, 381, 83,
576 83, 83, 349, 83, 284, 158, 163, 182, 283, 0,
577 83, 83, 351, 83, 309, 178, 179, 83, 177, 83,
578 83, 83, 449, 390, 83, 184, 170, 188, 83, 285,
579 453, 330, 83, 83, 95, 452, 0, 83, 83, 450,
580 83, 352, 94, 286, 83, 83, 424, 93, 83, 83,
581 83, 84, 425, 83, 180, 83, 156, 408, 83, 300,
582 451, 194, 233, 83, 83, 247, 264, 300, 352, 223,
583 183, 268, 0, 83, 83, 83, 83, 247, 83, 300,
584 176, 83, 174, 83, 405, 175, 186, 0, 181, 226,
585 83, 0, 448, 83, 0, 83, 303, 424, 282, 83,
586 296, 425, 296, 83, 301, 268, 383, 268, 268, 384,
587 288, 0, 0, 0, 83, 83, 328, 0, 83, 268,
588 268, 83, 295, 268, 298, 293, 268, 271, 287, 83,
589 83, 0, 314, 296, 268, 268, 276, 83, 268, 0,
590 296, 296, 268, 291, 289, 268, 268, 0, 0, 0,
591 0, 0, 0, 0, 0, 315, 0, 0, 0, 0,
592 0, 0, 317, 324, 0, 0, 0, 0, 0, 0,
593 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
594 0, 0, 83, 0, 0, 0, 0, 268, 0, 0,
595 0, 0, 0, 0, 0, 0, 0, 311, 0, 0,
596 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
597 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
598 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
599 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
600 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
601 0, 0};
602
603const int QScriptGrammar::action_check [] = {
604 29, 7, 16, 7, 76, 1, 36, 2, 29, 33,
605 7, 61, 60, 7, 7, 48, 8, 36, 36, 55,
606 61, 60, 2, 33, 29, 60, 5, 29, 36, 7,
607 7, 76, 1, 61, 17, 48, 7, 7, 29, 55,
608 8, 5, 31, 33, 55, 5, 7, 74, 36, 36,
609 36, 36, 55, 29, 36, 7, 29, 8, 8, 17,
610 8, 36, 29, 8, 36, 7, 29, 33, 33, 2,
611 2, 55, 1, 7, 36, 76, 33, 20, 1, 60,
612 29, 36, 29, 29, 8, 0, 60, 8, 8, 48,
613 29, 8, 36, 33, 8, 8, 8, 36, 8, 40,
614 8, 8, -1, 8, 6, 8, 42, 61, 62, 10,
615 51, 8, 50, 7, 8, 40, 54, 53, 20, 8,
616 76, 12, 40, 50, 61, 62, 51, 54, -1, -1,
617 61, 62, 7, 51, 40, 56, 29, 15, 8, -1,
618 60, 29, 25, 60, 27, 51, 60, 60, 29, 61,
619 60, 56, 60, 60, 55, 38, 34, 60, 36, 56,
620 -1, 61, 62, 15, -1, 12, 57, 12, 61, 62,
621 8, 60, 63, 61, 62, 25, 25, 27, 27, 15,
622 61, 62, 34, 25, 36, 27, 8, -1, 38, 38,
623 -1, 61, 62, 25, 29, 27, 38, -1, 34, -1,
624 36, 25, 25, 27, 27, -1, 38, 18, 19, 25,
625 57, 27, 57, -1, 38, 38, 63, -1, 63, 18,
626 19, -1, 38, 61, 62, -1, 61, 62, 18, 19,
627 18, 19, -1, -1, 45, 46, 23, 24, -1, 61,
628 62, -1, -1, -1, -1, 32, 45, 46, 35, -1,
629 37, 23, 24, -1, -1, 45, 46, 45, 46, -1,
630 32, -1, -1, 35, -1, 37, -1, -1, 25, -1,
631 27, 23, 24, -1, -1, -1, -1, -1, -1, 31,
632 32, 38, -1, 35, -1, 37, 23, 24, -1, -1,
633 -1, -1, -1, -1, 31, 32, 23, 24, 35, -1,
634 37, -1, -1, -1, 31, 32, 23, 24, 35, 3,
635 37, -1, -1, -1, 31, 32, -1, -1, 35, 13,
636 37, 23, 24, 17, -1, -1, -1, 23, 24, 31,
637 32, -1, 26, 35, 28, 37, 32, -1, -1, 35,
638 -1, 37, -1, -1, -1, 39, 3, 41, 42, -1,
639 -1, -1, -1, -1, -1, 49, 13, -1, 52, 53,
640 17, -1, -1, -1, 58, -1, -1, -1, -1, 26,
641 64, 28, -1, -1, -1, -1, -1, -1, -1, -1,
642 -1, -1, 39, 77, 41, 42, -1, -1, 12, 13,
643 3, -1, 49, -1, -1, 52, 53, -1, 22, -1,
644 13, 58, -1, -1, 17, 29, -1, 64, -1, 33,
645 34, -1, 36, 26, -1, 28, -1, -1, 31, 43,
646 77, -1, -1, 47, -1, -1, 39, -1, 41, 42,
647 -1, -1, -1, -1, -1, -1, 49, -1, -1, 52,
648 53, 65, -1, 67, -1, 58, -1, -1, -1, -1,
649 -1, 64, -1, -1, 78, 79, 80, -1, -1, -1,
650 12, 13, -1, -1, 77, -1, -1, -1, -1, -1,
651 22, -1, -1, -1, -1, -1, -1, 29, -1, -1,
652 -1, 33, 34, -1, 36, -1, -1, -1, -1, -1,
653 -1, 43, -1, -1, -1, 47, -1, -1, -1, -1,
654 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
655 -1, -1, -1, 65, -1, 67, -1, -1, -1, -1,
656 -1, -1, -1, -1, -1, -1, 78, 79, 80, -1,
657 -1, -1, 11, 12, 13, -1, -1, -1, -1, -1,
658 -1, -1, -1, 22, -1, -1, -1, -1, -1, -1,
659 29, -1, -1, -1, 33, 34, -1, 36, -1, -1,
660 -1, 40, -1, 42, 43, 44, -1, -1, 47, -1,
661 -1, -1, 51, -1, 53, -1, -1, -1, -1, -1,
662 -1, -1, -1, -1, -1, -1, 65, -1, 67, -1,
663 69, -1, 71, -1, 73, -1, -1, -1, -1, 78,
664 79, 80, -1, -1, -1, 11, 12, 13, -1, -1,
665 -1, -1, -1, -1, -1, -1, 22, -1, -1, -1,
666 -1, -1, -1, 29, -1, -1, -1, 33, 34, -1,
667 36, -1, -1, -1, 40, -1, 42, 43, 44, -1,
668 -1, 47, -1, -1, -1, 51, -1, 53, -1, -1,
669 56, -1, -1, -1, -1, -1, -1, -1, -1, 65,
670 -1, 67, -1, 69, -1, 71, -1, 73, -1, -1,
671 -1, -1, 78, 79, 80, -1, -1, -1, 7, -1,
672 -1, -1, 11, 12, 13, -1, -1, -1, -1, -1,
673 -1, -1, -1, 22, -1, -1, -1, -1, -1, -1,
674 29, -1, -1, -1, 33, 34, -1, 36, -1, -1,
675 -1, 40, -1, 42, 43, 44, -1, -1, 47, -1,
676 -1, -1, 51, -1, 53, -1, -1, -1, -1, -1,
677 -1, -1, -1, -1, -1, -1, 65, -1, 67, -1,
678 69, -1, 71, -1, 73, -1, -1, -1, -1, 78,
679 79, 80, -1, -1, -1, 11, 12, 13, -1, -1,
680 -1, -1, -1, -1, -1, -1, 22, -1, -1, -1,
681 -1, -1, -1, 29, -1, -1, -1, 33, 34, -1,
682 36, -1, -1, -1, 40, -1, 42, 43, 44, -1,
683 -1, 47, -1, -1, -1, 51, -1, 53, -1, -1,
684 56, -1, -1, -1, -1, -1, -1, -1, -1, 65,
685 -1, 67, -1, 69, -1, 71, -1, 73, -1, -1,
686 -1, -1, 78, 79, 80, -1, -1, -1, 11, 12,
687 13, -1, -1, -1, -1, -1, -1, -1, -1, 22,
688 -1, -1, -1, -1, -1, -1, 29, -1, -1, -1,
689 33, 34, -1, 36, -1, -1, -1, 40, -1, 42,
690 43, 44, -1, -1, 47, -1, -1, -1, 51, -1,
691 53, -1, -1, -1, -1, -1, -1, 60, -1, -1,
692 -1, -1, 65, -1, 67, -1, 69, -1, 71, -1,
693 73, -1, -1, -1, -1, 78, 79, 80, -1, -1,
694 -1, 11, 12, 13, -1, -1, -1, -1, -1, -1,
695 -1, -1, 22, -1, -1, -1, -1, -1, -1, 29,
696 -1, -1, -1, 33, 34, -1, 36, -1, -1, -1,
697 40, -1, 42, 43, 44, -1, -1, 47, -1, -1,
698 -1, 51, -1, 53, -1, -1, -1, -1, -1, -1,
699 -1, -1, -1, -1, -1, 65, -1, 67, -1, 69,
700 -1, 71, 72, 73, -1, -1, -1, -1, 78, 79,
701 80, -1, -1, -1, 4, 5, 6, -1, -1, 9,
702 10, 11, -1, -1, 14, -1, 16, -1, -1, -1,
703 20, 21, 22, -1, -1, -1, -1, -1, -1, 29,
704 30, 31, 32, -1, -1, -1, -1, -1, -1, -1,
705 -1, -1, -1, 43, -1, -1, -1, -1, -1, -1,
706 -1, -1, -1, -1, -1, -1, -1, -1, -1, 59,
707 -1, -1, -1, -1, -1, -1, 66, 67, 68, -1,
708 70, 71, 72, 73, 74, 75, -1, -1, 78, 79,
709 80, 81, 82, 83, 4, 5, 6, -1, -1, 9,
710 10, 11, -1, -1, 14, -1, 16, -1, -1, -1,
711 20, 21, 22, -1, -1, -1, -1, -1, -1, 29,
712 30, 31, 32, -1, -1, -1, -1, -1, -1, -1,
713 -1, -1, -1, 43, -1, -1, -1, 47, -1, -1,
714 -1, -1, -1, -1, -1, -1, -1, -1, -1, 59,
715 -1, -1, -1, -1, -1, 65, 66, 67, 68, -1,
716 70, 71, 72, 73, 74, 75, -1, -1, 78, 79,
717 80, 81, 82, 83, 4, -1, -1, -1, -1, 9,
718 -1, 11, 12, 13, 14, -1, -1, -1, -1, -1,
719 -1, 21, 22, -1, -1, -1, -1, -1, -1, 29,
720 30, -1, -1, 33, 34, -1, 36, -1, -1, -1,
721 40, -1, 42, 43, 44, -1, -1, 47, -1, -1,
722 -1, 51, -1, 53, -1, -1, -1, -1, -1, 59,
723 -1, 61, -1, -1, -1, 65, 66, 67, 68, 69,
724 70, 71, 72, 73, 74, 75, -1, -1, 78, 79,
725 80, 81, 82, -1, 4, -1, -1, -1, -1, 9,
726 -1, 11, 12, 13, 14, -1, -1, -1, -1, -1,
727 -1, 21, 22, -1, -1, -1, -1, -1, -1, 29,
728 30, -1, -1, 33, 34, -1, 36, -1, -1, -1,
729 40, -1, 42, 43, 44, -1, -1, 47, -1, -1,
730 -1, 51, -1, 53, -1, -1, -1, -1, -1, 59,
731 -1, 61, -1, -1, -1, 65, 66, 67, 68, 69,
732 70, 71, 72, 73, 74, 75, -1, -1, 78, 79,
733 80, 81, 82, -1, 4, 5, 6, -1, -1, 9,
734 10, 11, 12, 13, 14, -1, 16, -1, -1, -1,
735 20, 21, 22, -1, -1, -1, -1, -1, -1, 29,
736 30, 31, 32, 33, 34, -1, 36, -1, -1, -1,
737 40, -1, 42, 43, 44, -1, -1, 47, -1, -1,
738 -1, 51, -1, 53, -1, 55, -1, -1, -1, 59,
739 -1, 61, -1, -1, -1, 65, 66, 67, 68, 69,
740 70, 71, 72, 73, 74, 75, -1, -1, 78, 79,
741 80, 81, 82, 83,
742
743 5, 46, 5, 45, 6, 45, 5, 76, 14, 65,
744 2, 46, 5, 45, 73, 6, 5, 46, 6, 5,
745 78, 6, 45, 5, 85, 6, 10, 6, 5, 9,
746 6, 6, 6, 45, 6, 86, 14, 41, 45, 86,
747 5, 5, 5, 80, 6, 46, 67, 45, 45, 5,
748 81, 45, 5, 5, 5, 45, -1, 18, 45, 18,
749 18, 18, 45, 18, 23, 26, 24, 24, 23, -1,
750 18, 18, 45, 18, 45, 23, 23, 18, 23, 18,
751 18, 18, 20, 5, 18, 24, 23, 28, 18, 23,
752 20, 42, 18, 18, 20, 20, -1, 18, 18, 20,
753 18, 45, 20, 23, 18, 18, 20, 20, 18, 18,
754 18, 21, 20, 18, 23, 18, 21, 61, 18, 5,
755 20, 10, 11, 18, 18, 20, 18, 5, 45, 32,
756 24, 23, -1, 18, 18, 18, 18, 20, 18, 5,
757 22, 18, 22, 18, 61, 22, 30, -1, 23, 34,
758 18, -1, 20, 18, -1, 18, 42, 20, 23, 18,
759 18, 20, 18, 18, 42, 23, 12, 23, 23, 15,
760 25, -1, -1, -1, 18, 18, 42, -1, 18, 23,
761 23, 18, 40, 23, 40, 29, 23, 27, 25, 18,
762 18, -1, 35, 18, 23, 23, 25, 18, 23, -1,
763 18, 18, 23, 31, 25, 23, 23, -1, -1, -1,
764 -1, -1, -1, -1, -1, 40, -1, -1, -1, -1,
765 -1, -1, 40, 40, -1, -1, -1, -1, -1, -1,
766 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
767 -1, -1, 18, -1, -1, -1, -1, 23, -1, -1,
768 -1, -1, -1, -1, -1, -1, -1, 33, -1, -1,
769 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
770 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
771 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
772 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
773 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
774 -1, -1};
775
776static void recordMessage(
777 Translator *tor, const QString &context, const QString &text, const QString &comment,
778 const QString &extracomment, const QString &msgid, const TranslatorMessage::ExtraData &extra,
779 bool plural, const QString &fileName, int lineNo)
780{
781 TranslatorMessage msg(
782 context, text, comment, QString(),
783 fileName, lineNo, QStringList(),
784 TranslatorMessage::Unfinished, plural);
785 msg.setExtraComment(extracomment.simplified());
786 msg.setId(msgid);
787 msg.setExtras(extra);
788 tor->extend(msg);
789}
790
791
792namespace QScript
793{
794
795class CommentProcessor
796{
797public:
798 virtual ~CommentProcessor() {}
799 virtual void processComment(const QChar *chars, int length) = 0;
800};
801
802class Lexer
803{
804public:
805 Lexer(CommentProcessor *);
806 ~Lexer();
807
808 void setCode(const QString &c, const QString &fileName, int lineno);
809 int lex();
810
811 QString fileName() const { return yyfilename; }
812 int currentLineNo() const { return yylineno; }
813 int currentColumnNo() const { return yycolumn; }
814
815 int startLineNo() const { return startlineno; }
816 int startColumnNo() const { return startcolumn; }
817
818 int endLineNo() const { return currentLineNo(); }
819 int endColumnNo() const
820 { int col = currentColumnNo(); return (col > 0) ? col - 1 : col; }
821
822 bool prevTerminator() const { return terminator; }
823
824 enum State { Start,
825 Identifier,
826 InIdentifier,
827 InSingleLineComment,
828 InMultiLineComment,
829 InNum,
830 InNum0,
831 InHex,
832 InOctal,
833 InDecimal,
834 InExponentIndicator,
835 InExponent,
836 Hex,
837 Octal,
838 Number,
839 String,
840 Eof,
841 InString,
842 InEscapeSequence,
843 InHexEscape,
844 InUnicodeEscape,
845 Other,
846 Bad };
847
848 enum Error {
849 NoError,
850 IllegalCharacter,
851 UnclosedStringLiteral,
852 IllegalEscapeSequence,
853 IllegalUnicodeEscapeSequence,
854 UnclosedComment,
855 IllegalExponentIndicator,
856 IllegalIdentifier
857 };
858
859 enum ParenthesesState {
860 IgnoreParentheses,
861 CountParentheses,
862 BalancedParentheses
863 };
864
865 enum RegExpBodyPrefix {
866 NoPrefix,
867 EqualPrefix
868 };
869
870 bool scanRegExp(RegExpBodyPrefix prefix = NoPrefix);
871
872 QString pattern;
873 int flags;
874
875 State lexerState() const
876 { return state; }
877
878 QString errorMessage() const
879 { return errmsg; }
880 void setErrorMessage(const QString &err)
881 { errmsg = err; }
882 void setErrorMessage(const char *err)
883 { setErrorMessage(QString::fromLatin1(err)); }
884
885 Error error() const
886 { return err; }
887 void clearError()
888 { err = NoError; }
889
890private:
891 QString yyfilename;
892 int yylineno;
893 bool done;
894 char *buffer8;
895 QChar *buffer16;
896 uint size8, size16;
897 uint pos8, pos16;
898 bool terminator;
899 bool restrKeyword;
900 // encountered delimiter like "'" and "}" on last run
901 bool delimited;
902 int stackToken;
903
904 State state;
905 void setDone(State s);
906 uint pos;
907 void shift(uint p);
908 int lookupKeyword(const char *);
909
910 bool isWhiteSpace() const;
911 bool isLineTerminator() const;
912 bool isHexDigit(ushort c) const;
913 bool isOctalDigit(ushort c) const;
914
915 int matchPunctuator(ushort c1, ushort c2,
916 ushort c3, ushort c4);
917 ushort singleEscape(ushort c) const;
918 ushort convertOctal(ushort c1, ushort c2,
919 ushort c3) const;
920public:
921 static unsigned char convertHex(ushort c1);
922 static unsigned char convertHex(ushort c1, ushort c2);
923 static QChar convertUnicode(ushort c1, ushort c2,
924 ushort c3, ushort c4);
925 static bool isIdentLetter(ushort c);
926 static bool isDecimalDigit(ushort c);
927
928 inline int ival() const { return qsyylval.toInt(); }
929 inline double dval() const { return qsyylval.toDouble(); }
930 inline QString ustr() const { return qsyylval.toString(); }
931 inline QVariant val() const { return qsyylval; }
932
933 const QChar *characterBuffer() const { return buffer16; }
934 int characterCount() const { return pos16; }
935
936private:
937 void record8(ushort c);
938 void record16(QChar c);
939 void recordStartPos();
940
941 int findReservedWord(const QChar *buffer, int size) const;
942
943 void syncProhibitAutomaticSemicolon();
944
945 void processComment(const QChar *, int);
946
947 const QChar *code;
948 uint length;
949 int yycolumn;
950 int startlineno;
951 int startcolumn;
952 int bol; // begin of line
953
954 QVariant qsyylval;
955
956 // current and following unicode characters
957 ushort current, next1, next2, next3;
958
959 struct keyword {
960 const char *name;
961 int token;
962 };
963
964 QString errmsg;
965 Error err;
966
967 bool wantRx;
968 bool check_reserved;
969
970 ParenthesesState parenthesesState;
971 int parenthesesCount;
972 bool prohibitAutomaticSemicolon;
973
974 CommentProcessor *commentProcessor;
975};
976
977} // namespace QScript
978
979extern double qstrtod(const char *s00, char const **se, bool *ok);
980
981#define shiftWindowsLineBreak() if(current == '\r' && next1 == '\n') shift(1);
982
983namespace QScript {
984
985static int toDigit(char c)
986{
987 if ((c >= '0') && (c <= '9'))
988 return c - '0';
989 else if ((c >= 'a') && (c <= 'z'))
990 return 10 + c - 'a';
991 else if ((c >= 'A') && (c <= 'Z'))
992 return 10 + c - 'A';
993 return -1;
994}
995
996double integerFromString(const char *buf, int size, int radix)
997{
998 if (size == 0)
999 return qSNaN();
1000
1001 double sign = 1.0;
1002 int i = 0;
1003 if (buf[0] == '+') {
1004 ++i;
1005 } else if (buf[0] == '-') {
1006 sign = -1.0;
1007 ++i;
1008 }
1009
1010 if (((size-i) >= 2) && (buf[i] == '0')) {
1011 if (((buf[i+1] == 'x') || (buf[i+1] == 'X'))
1012 && (radix < 34)) {
1013 if ((radix != 0) && (radix != 16))
1014 return 0;
1015 radix = 16;
1016 i += 2;
1017 } else {
1018 if (radix == 0) {
1019 radix = 8;
1020 ++i;
1021 }
1022 }
1023 } else if (radix == 0) {
1024 radix = 10;
1025 }
1026
1027 int j = i;
1028 for ( ; i < size; ++i) {
1029 int d = toDigit(buf[i]);
1030 if ((d == -1) || (d >= radix))
1031 break;
1032 }
1033 double result;
1034 if (j == i) {
1035 if (!qstrcmp(buf, "Infinity"))
1036 result = qInf();
1037 else
1038 result = qSNaN();
1039 } else {
1040 result = 0;
1041 double multiplier = 1;
1042 for (--i ; i >= j; --i, multiplier *= radix)
1043 result += toDigit(buf[i]) * multiplier;
1044 }
1045 result *= sign;
1046 return result;
1047}
1048
1049} // namespace QScript
1050
1051QScript::Lexer::Lexer(QScript::CommentProcessor *proc)
1052 :
1053 yylineno(0),
1054 size8(128), size16(128), restrKeyword(false),
1055 stackToken(-1), pos(0),
1056 code(0), length(0),
1057 bol(true),
1058 current(0), next1(0), next2(0), next3(0),
1059 err(NoError),
1060 check_reserved(true),
1061 parenthesesState(IgnoreParentheses),
1062 prohibitAutomaticSemicolon(false),
1063 commentProcessor(proc)
1064{
1065 // allocate space for read buffers
1066 buffer8 = new char[size8];
1067 buffer16 = new QChar[size16];
1068 flags = 0;
1069
1070}
1071
1072QScript::Lexer::~Lexer()
1073{
1074 delete [] buffer8;
1075 delete [] buffer16;
1076}
1077
1078void QScript::Lexer::setCode(const QString &c, const QString &fileName, int lineno)
1079{
1080 errmsg = QString();
1081 yyfilename = fileName;
1082 yylineno = lineno;
1083 yycolumn = 1;
1084 restrKeyword = false;
1085 delimited = false;
1086 stackToken = -1;
1087 pos = 0;
1088 code = c.unicode();
1089 length = c.length();
1090 bol = true;
1091
1092 // read first characters
1093 current = (length > 0) ? code[0].unicode() : 0;
1094 next1 = (length > 1) ? code[1].unicode() : 0;
1095 next2 = (length > 2) ? code[2].unicode() : 0;
1096 next3 = (length > 3) ? code[3].unicode() : 0;
1097}
1098
1099void QScript::Lexer::shift(uint p)
1100{
1101 while (p--) {
1102 ++pos;
1103 ++yycolumn;
1104 current = next1;
1105 next1 = next2;
1106 next2 = next3;
1107 next3 = (pos + 3 < length) ? code[pos+3].unicode() : 0;
1108 }
1109}
1110
1111void QScript::Lexer::setDone(State s)
1112{
1113 state = s;
1114 done = true;
1115}
1116
1117int QScript::Lexer::findReservedWord(const QChar *c, int size) const
1118{
1119 switch (size) {
1120 case 2: {
1121 if (c[0] == QLatin1Char('d') && c[1] == QLatin1Char('o'))
1122 return QScriptGrammar::T_DO;
1123 else if (c[0] == QLatin1Char('i') && c[1] == QLatin1Char('f'))
1124 return QScriptGrammar::T_IF;
1125 else if (c[0] == QLatin1Char('i') && c[1] == QLatin1Char('n'))
1126 return QScriptGrammar::T_IN;
1127 } break;
1128
1129 case 3: {
1130 if (c[0] == QLatin1Char('f') && c[1] == QLatin1Char('o') && c[2] == QLatin1Char('r'))
1131 return QScriptGrammar::T_FOR;
1132 else if (c[0] == QLatin1Char('n') && c[1] == QLatin1Char('e') && c[2] == QLatin1Char('w'))
1133 return QScriptGrammar::T_NEW;
1134 else if (c[0] == QLatin1Char('t') && c[1] == QLatin1Char('r') && c[2] == QLatin1Char('y'))
1135 return QScriptGrammar::T_TRY;
1136 else if (c[0] == QLatin1Char('v') && c[1] == QLatin1Char('a') && c[2] == QLatin1Char('r'))
1137 return QScriptGrammar::T_VAR;
1138 else if (check_reserved) {
1139 if (c[0] == QLatin1Char('i') && c[1] == QLatin1Char('n') && c[2] == QLatin1Char('t'))
1140 return QScriptGrammar::T_RESERVED_WORD;
1141 }
1142 } break;
1143
1144 case 4: {
1145 if (c[0] == QLatin1Char('c') && c[1] == QLatin1Char('a')
1146 && c[2] == QLatin1Char('s') && c[3] == QLatin1Char('e'))
1147 return QScriptGrammar::T_CASE;
1148 else if (c[0] == QLatin1Char('e') && c[1] == QLatin1Char('l')
1149 && c[2] == QLatin1Char('s') && c[3] == QLatin1Char('e'))
1150 return QScriptGrammar::T_ELSE;
1151 else if (c[0] == QLatin1Char('t') && c[1] == QLatin1Char('h')
1152 && c[2] == QLatin1Char('i') && c[3] == QLatin1Char('s'))
1153 return QScriptGrammar::T_THIS;
1154 else if (c[0] == QLatin1Char('v') && c[1] == QLatin1Char('o')
1155 && c[2] == QLatin1Char('i') && c[3] == QLatin1Char('d'))
1156 return QScriptGrammar::T_VOID;
1157 else if (c[0] == QLatin1Char('w') && c[1] == QLatin1Char('i')
1158 && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('h'))
1159 return QScriptGrammar::T_WITH;
1160 else if (c[0] == QLatin1Char('t') && c[1] == QLatin1Char('r')
1161 && c[2] == QLatin1Char('u') && c[3] == QLatin1Char('e'))
1162 return QScriptGrammar::T_TRUE;
1163 else if (c[0] == QLatin1Char('n') && c[1] == QLatin1Char('u')
1164 && c[2] == QLatin1Char('l') && c[3] == QLatin1Char('l'))
1165 return QScriptGrammar::T_NULL;
1166 else if (check_reserved) {
1167 if (c[0] == QLatin1Char('e') && c[1] == QLatin1Char('n')
1168 && c[2] == QLatin1Char('u') && c[3] == QLatin1Char('m'))
1169 return QScriptGrammar::T_RESERVED_WORD;
1170 else if (c[0] == QLatin1Char('b') && c[1] == QLatin1Char('y')
1171 && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('e'))
1172 return QScriptGrammar::T_RESERVED_WORD;
1173 else if (c[0] == QLatin1Char('l') && c[1] == QLatin1Char('o')
1174 && c[2] == QLatin1Char('n') && c[3] == QLatin1Char('g'))
1175 return QScriptGrammar::T_RESERVED_WORD;
1176 else if (c[0] == QLatin1Char('c') && c[1] == QLatin1Char('h')
1177 && c[2] == QLatin1Char('a') && c[3] == QLatin1Char('r'))
1178 return QScriptGrammar::T_RESERVED_WORD;
1179 else if (c[0] == QLatin1Char('g') && c[1] == QLatin1Char('o')
1180 && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('o'))
1181 return QScriptGrammar::T_RESERVED_WORD;
1182 }
1183 } break;
1184
1185 case 5: {
1186 if (c[0] == QLatin1Char('b') && c[1] == QLatin1Char('r')
1187 && c[2] == QLatin1Char('e') && c[3] == QLatin1Char('a')
1188 && c[4] == QLatin1Char('k'))
1189 return QScriptGrammar::T_BREAK;
1190 else if (c[0] == QLatin1Char('c') && c[1] == QLatin1Char('a')
1191 && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('c')
1192 && c[4] == QLatin1Char('h'))
1193 return QScriptGrammar::T_CATCH;
1194 else if (c[0] == QLatin1Char('t') && c[1] == QLatin1Char('h')
1195 && c[2] == QLatin1Char('r') && c[3] == QLatin1Char('o')
1196 && c[4] == QLatin1Char('w'))
1197 return QScriptGrammar::T_THROW;
1198 else if (c[0] == QLatin1Char('w') && c[1] == QLatin1Char('h')
1199 && c[2] == QLatin1Char('i') && c[3] == QLatin1Char('l')
1200 && c[4] == QLatin1Char('e'))
1201 return QScriptGrammar::T_WHILE;
1202 else if (c[0] == QLatin1Char('c') && c[1] == QLatin1Char('o')
1203 && c[2] == QLatin1Char('n') && c[3] == QLatin1Char('s')
1204 && c[4] == QLatin1Char('t'))
1205 return QScriptGrammar::T_CONST;
1206 else if (c[0] == QLatin1Char('f') && c[1] == QLatin1Char('a')
1207 && c[2] == QLatin1Char('l') && c[3] == QLatin1Char('s')
1208 && c[4] == QLatin1Char('e'))
1209 return QScriptGrammar::T_FALSE;
1210 else if (check_reserved) {
1211 if (c[0] == QLatin1Char('s') && c[1] == QLatin1Char('h')
1212 && c[2] == QLatin1Char('o') && c[3] == QLatin1Char('r')
1213 && c[4] == QLatin1Char('t'))
1214 return QScriptGrammar::T_RESERVED_WORD;
1215 else if (c[0] == QLatin1Char('s') && c[1] == QLatin1Char('u')
1216 && c[2] == QLatin1Char('p') && c[3] == QLatin1Char('e')
1217 && c[4] == QLatin1Char('r'))
1218 return QScriptGrammar::T_RESERVED_WORD;
1219 else if (c[0] == QLatin1Char('f') && c[1] == QLatin1Char('i')
1220 && c[2] == QLatin1Char('n') && c[3] == QLatin1Char('a')
1221 && c[4] == QLatin1Char('l'))
1222 return QScriptGrammar::T_RESERVED_WORD;
1223 else if (c[0] == QLatin1Char('c') && c[1] == QLatin1Char('l')
1224 && c[2] == QLatin1Char('a') && c[3] == QLatin1Char('s')
1225 && c[4] == QLatin1Char('s'))
1226 return QScriptGrammar::T_RESERVED_WORD;
1227 else if (c[0] == QLatin1Char('f') && c[1] == QLatin1Char('l')
1228 && c[2] == QLatin1Char('o') && c[3] == QLatin1Char('a')
1229 && c[4] == QLatin1Char('t'))
1230 return QScriptGrammar::T_RESERVED_WORD;
1231 }
1232 } break;
1233
1234 case 6: {
1235 if (c[0] == QLatin1Char('d') && c[1] == QLatin1Char('e')
1236 && c[2] == QLatin1Char('l') && c[3] == QLatin1Char('e')
1237 && c[4] == QLatin1Char('t') && c[5] == QLatin1Char('e'))
1238 return QScriptGrammar::T_DELETE;
1239 else if (c[0] == QLatin1Char('r') && c[1] == QLatin1Char('e')
1240 && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('u')
1241 && c[4] == QLatin1Char('r') && c[5] == QLatin1Char('n'))
1242 return QScriptGrammar::T_RETURN;
1243 else if (c[0] == QLatin1Char('s') && c[1] == QLatin1Char('w')
1244 && c[2] == QLatin1Char('i') && c[3] == QLatin1Char('t')
1245 && c[4] == QLatin1Char('c') && c[5] == QLatin1Char('h'))
1246 return QScriptGrammar::T_SWITCH;
1247 else if (c[0] == QLatin1Char('t') && c[1] == QLatin1Char('y')
1248 && c[2] == QLatin1Char('p') && c[3] == QLatin1Char('e')
1249 && c[4] == QLatin1Char('o') && c[5] == QLatin1Char('f'))
1250 return QScriptGrammar::T_TYPEOF;
1251 else if (check_reserved) {
1252 if (c[0] == QLatin1Char('e') && c[1] == QLatin1Char('x')
1253 && c[2] == QLatin1Char('p') && c[3] == QLatin1Char('o')
1254 && c[4] == QLatin1Char('r') && c[5] == QLatin1Char('t'))
1255 return QScriptGrammar::T_RESERVED_WORD;
1256 else if (c[0] == QLatin1Char('s') && c[1] == QLatin1Char('t')
1257 && c[2] == QLatin1Char('a') && c[3] == QLatin1Char('t')
1258 && c[4] == QLatin1Char('i') && c[5] == QLatin1Char('c'))
1259 return QScriptGrammar::T_RESERVED_WORD;
1260 else if (c[0] == QLatin1Char('d') && c[1] == QLatin1Char('o')
1261 && c[2] == QLatin1Char('u') && c[3] == QLatin1Char('b')
1262 && c[4] == QLatin1Char('l') && c[5] == QLatin1Char('e'))
1263 return QScriptGrammar::T_RESERVED_WORD;
1264 else if (c[0] == QLatin1Char('i') && c[1] == QLatin1Char('m')
1265 && c[2] == QLatin1Char('p') && c[3] == QLatin1Char('o')
1266 && c[4] == QLatin1Char('r') && c[5] == QLatin1Char('t'))
1267 return QScriptGrammar::T_RESERVED_WORD;
1268 else if (c[0] == QLatin1Char('p') && c[1] == QLatin1Char('u')
1269 && c[2] == QLatin1Char('b') && c[3] == QLatin1Char('l')
1270 && c[4] == QLatin1Char('i') && c[5] == QLatin1Char('c'))
1271 return QScriptGrammar::T_RESERVED_WORD;
1272 else if (c[0] == QLatin1Char('n') && c[1] == QLatin1Char('a')
1273 && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('i')
1274 && c[4] == QLatin1Char('v') && c[5] == QLatin1Char('e'))
1275 return QScriptGrammar::T_RESERVED_WORD;
1276 else if (c[0] == QLatin1Char('t') && c[1] == QLatin1Char('h')
1277 && c[2] == QLatin1Char('r') && c[3] == QLatin1Char('o')
1278 && c[4] == QLatin1Char('w') && c[5] == QLatin1Char('s'))
1279 return QScriptGrammar::T_RESERVED_WORD;
1280 }
1281 } break;
1282
1283 case 7: {
1284 if (c[0] == QLatin1Char('d') && c[1] == QLatin1Char('e')
1285 && c[2] == QLatin1Char('f') && c[3] == QLatin1Char('a')
1286 && c[4] == QLatin1Char('u') && c[5] == QLatin1Char('l')
1287 && c[6] == QLatin1Char('t'))
1288 return QScriptGrammar::T_DEFAULT;
1289 else if (c[0] == QLatin1Char('f') && c[1] == QLatin1Char('i')
1290 && c[2] == QLatin1Char('n') && c[3] == QLatin1Char('a')
1291 && c[4] == QLatin1Char('l') && c[5] == QLatin1Char('l')
1292 && c[6] == QLatin1Char('y'))
1293 return QScriptGrammar::T_FINALLY;
1294 else if (check_reserved) {
1295 if (c[0] == QLatin1Char('b') && c[1] == QLatin1Char('o')
1296 && c[2] == QLatin1Char('o') && c[3] == QLatin1Char('l')
1297 && c[4] == QLatin1Char('e') && c[5] == QLatin1Char('a')
1298 && c[6] == QLatin1Char('n'))
1299 return QScriptGrammar::T_RESERVED_WORD;
1300 else if (c[0] == QLatin1Char('e') && c[1] == QLatin1Char('x')
1301 && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('e')
1302 && c[4] == QLatin1Char('n') && c[5] == QLatin1Char('d')
1303 && c[6] == QLatin1Char('s'))
1304 return QScriptGrammar::T_RESERVED_WORD;
1305 else if (c[0] == QLatin1Char('p') && c[1] == QLatin1Char('a')
1306 && c[2] == QLatin1Char('c') && c[3] == QLatin1Char('k')
1307 && c[4] == QLatin1Char('a') && c[5] == QLatin1Char('g')
1308 && c[6] == QLatin1Char('e'))
1309 return QScriptGrammar::T_RESERVED_WORD;
1310 else if (c[0] == QLatin1Char('p') && c[1] == QLatin1Char('r')
1311 && c[2] == QLatin1Char('i') && c[3] == QLatin1Char('v')
1312 && c[4] == QLatin1Char('a') && c[5] == QLatin1Char('t')
1313 && c[6] == QLatin1Char('e'))
1314 return QScriptGrammar::T_RESERVED_WORD;
1315 }
1316 } break;
1317
1318 case 8: {
1319 if (c[0] == QLatin1Char('c') && c[1] == QLatin1Char('o')
1320 && c[2] == QLatin1Char('n') && c[3] == QLatin1Char('t')
1321 && c[4] == QLatin1Char('i') && c[5] == QLatin1Char('n')
1322 && c[6] == QLatin1Char('u') && c[7] == QLatin1Char('e'))
1323 return QScriptGrammar::T_CONTINUE;
1324 else if (c[0] == QLatin1Char('f') && c[1] == QLatin1Char('u')
1325 && c[2] == QLatin1Char('n') && c[3] == QLatin1Char('c')
1326 && c[4] == QLatin1Char('t') && c[5] == QLatin1Char('i')
1327 && c[6] == QLatin1Char('o') && c[7] == QLatin1Char('n'))
1328 return QScriptGrammar::T_FUNCTION;
1329 else if (c[0] == QLatin1Char('d') && c[1] == QLatin1Char('e')
1330 && c[2] == QLatin1Char('b') && c[3] == QLatin1Char('u')
1331 && c[4] == QLatin1Char('g') && c[5] == QLatin1Char('g')
1332 && c[6] == QLatin1Char('e') && c[7] == QLatin1Char('r'))
1333 return QScriptGrammar::T_DEBUGGER;
1334 else if (check_reserved) {
1335 if (c[0] == QLatin1Char('a') && c[1] == QLatin1Char('b')
1336 && c[2] == QLatin1Char('s') && c[3] == QLatin1Char('t')
1337 && c[4] == QLatin1Char('r') && c[5] == QLatin1Char('a')
1338 && c[6] == QLatin1Char('c') && c[7] == QLatin1Char('t'))
1339 return QScriptGrammar::T_RESERVED_WORD;
1340 else if (c[0] == QLatin1Char('v') && c[1] == QLatin1Char('o')
1341 && c[2] == QLatin1Char('l') && c[3] == QLatin1Char('a')
1342 && c[4] == QLatin1Char('t') && c[5] == QLatin1Char('i')
1343 && c[6] == QLatin1Char('l') && c[7] == QLatin1Char('e'))
1344 return QScriptGrammar::T_RESERVED_WORD;
1345 }
1346 } break;
1347
1348 case 9: {
1349 if (check_reserved) {
1350 if (c[0] == QLatin1Char('i') && c[1] == QLatin1Char('n')
1351 && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('e')
1352 && c[4] == QLatin1Char('r') && c[5] == QLatin1Char('f')
1353 && c[6] == QLatin1Char('a') && c[7] == QLatin1Char('c')
1354 && c[8] == QLatin1Char('e'))
1355 return QScriptGrammar::T_RESERVED_WORD;
1356 else if (c[0] == QLatin1Char('t') && c[1] == QLatin1Char('r')
1357 && c[2] == QLatin1Char('a') && c[3] == QLatin1Char('n')
1358 && c[4] == QLatin1Char('s') && c[5] == QLatin1Char('i')
1359 && c[6] == QLatin1Char('e') && c[7] == QLatin1Char('n')
1360 && c[8] == QLatin1Char('t'))
1361 return QScriptGrammar::T_RESERVED_WORD;
1362 else if (c[0] == QLatin1Char('p') && c[1] == QLatin1Char('r')
1363 && c[2] == QLatin1Char('o') && c[3] == QLatin1Char('t')
1364 && c[4] == QLatin1Char('e') && c[5] == QLatin1Char('c')
1365 && c[6] == QLatin1Char('t') && c[7] == QLatin1Char('e')
1366 && c[8] == QLatin1Char('d'))
1367 return QScriptGrammar::T_RESERVED_WORD;
1368 }
1369 } break;
1370
1371 case 10: {
1372 if (c[0] == QLatin1Char('i') && c[1] == QLatin1Char('n')
1373 && c[2] == QLatin1Char('s') && c[3] == QLatin1Char('t')
1374 && c[4] == QLatin1Char('a') && c[5] == QLatin1Char('n')
1375 && c[6] == QLatin1Char('c') && c[7] == QLatin1Char('e')
1376 && c[8] == QLatin1Char('o') && c[9] == QLatin1Char('f'))
1377 return QScriptGrammar::T_INSTANCEOF;
1378 else if (check_reserved) {
1379 if (c[0] == QLatin1Char('i') && c[1] == QLatin1Char('m')
1380 && c[2] == QLatin1Char('p') && c[3] == QLatin1Char('l')
1381 && c[4] == QLatin1Char('e') && c[5] == QLatin1Char('m')
1382 && c[6] == QLatin1Char('e') && c[7] == QLatin1Char('n')
1383 && c[8] == QLatin1Char('t') && c[9] == QLatin1Char('s'))
1384 return QScriptGrammar::T_RESERVED_WORD;
1385 }
1386 } break;
1387
1388 case 12: {
1389 if (check_reserved) {
1390 if (c[0] == QLatin1Char('s') && c[1] == QLatin1Char('y')
1391 && c[2] == QLatin1Char('n') && c[3] == QLatin1Char('c')
1392 && c[4] == QLatin1Char('h') && c[5] == QLatin1Char('r')
1393 && c[6] == QLatin1Char('o') && c[7] == QLatin1Char('n')
1394 && c[8] == QLatin1Char('i') && c[9] == QLatin1Char('z')
1395 && c[10] == QLatin1Char('e') && c[11] == QLatin1Char('d'))
1396 return QScriptGrammar::T_RESERVED_WORD;
1397 }
1398 } break;
1399
1400 } // switch
1401
1402 return -1;
1403}
1404
1405int QScript::Lexer::lex()
1406{
1407 int token = 0;
1408 state = Start;
1409 ushort stringType = 0; // either single or double quotes
1410 pos8 = pos16 = 0;
1411 done = false;
1412 terminator = false;
1413
1414 // did we push a token on the stack previously ?
1415 // (after an automatic semicolon insertion)
1416 if (stackToken >= 0) {
1417 setDone(Other);
1418 token = stackToken;
1419 stackToken = -1;
1420 }
1421
1422 while (!done) {
1423 switch (state) {
1424 case Start:
1425 if (isWhiteSpace()) {
1426 // do nothing
1427 } else if (current == '/' && next1 == '/') {
1428 recordStartPos();
1429 shift(1);
1430 Q_ASSERT(pos16 == 0);
1431 state = InSingleLineComment;
1432 } else if (current == '/' && next1 == '*') {
1433 recordStartPos();
1434 shift(1);
1435 Q_ASSERT(pos16 == 0);
1436 state = InMultiLineComment;
1437 } else if (current == 0) {
1438 syncProhibitAutomaticSemicolon();
1439 if (!terminator && !delimited && !prohibitAutomaticSemicolon) {
1440 // automatic semicolon insertion if program incomplete
1441 token = QScriptGrammar::T_SEMICOLON;
1442 stackToken = 0;
1443 setDone(Other);
1444 } else {
1445 setDone(Eof);
1446 }
1447 } else if (isLineTerminator()) {
1448 shiftWindowsLineBreak();
1449 yylineno++;
1450 yycolumn = 0;
1451 bol = true;
1452 terminator = true;
1453 syncProhibitAutomaticSemicolon();
1454 if (restrKeyword) {
1455 token = QScriptGrammar::T_SEMICOLON;
1456 setDone(Other);
1457 }
1458 } else if (current == '"' || current == '\'') {
1459 recordStartPos();
1460 state = InString;
1461 stringType = current;
1462 } else if (isIdentLetter(current)) {
1463 recordStartPos();
1464 record16(current);
1465 state = InIdentifier;
1466 } else if (current == '0') {
1467 recordStartPos();
1468 record8(current);
1469 state = InNum0;
1470 } else if (isDecimalDigit(current)) {
1471 recordStartPos();
1472 record8(current);
1473 state = InNum;
1474 } else if (current == '.' && isDecimalDigit(next1)) {
1475 recordStartPos();
1476 record8(current);
1477 state = InDecimal;
1478 } else {
1479 recordStartPos();
1480 token = matchPunctuator(current, next1, next2, next3);
1481 if (token != -1) {
1482 if (terminator && !delimited && !prohibitAutomaticSemicolon
1483 && (token == QScriptGrammar::T_PLUS_PLUS
1484 || token == QScriptGrammar::T_MINUS_MINUS)) {
1485 // automatic semicolon insertion
1486 stackToken = token;
1487 token = QScriptGrammar::T_SEMICOLON;
1488 }
1489 setDone(Other);
1490 }
1491 else {
1492 setDone(Bad);
1493 err = IllegalCharacter;
1494 errmsg = LU::tr("Illegal character");
1495 }
1496 }
1497 break;
1498 case InString:
1499 if (current == stringType) {
1500 shift(1);
1501 setDone(String);
1502 } else if (current == 0 || isLineTerminator()) {
1503 setDone(Bad);
1504 err = UnclosedStringLiteral;
1505 errmsg = LU::tr("Unclosed string at end of line");
1506 } else if (current == '\\') {
1507 state = InEscapeSequence;
1508 } else {
1509 record16(current);
1510 }
1511 break;
1512 // Escape Sequences inside of strings
1513 case InEscapeSequence:
1514 if (isOctalDigit(current)) {
1515 if (current >= '0' && current <= '3' &&
1516 isOctalDigit(next1) && isOctalDigit(next2)) {
1517 record16(convertOctal(current, next1, next2));
1518 shift(2);
1519 state = InString;
1520 } else if (isOctalDigit(current) &&
1521 isOctalDigit(next1)) {
1522 record16(convertOctal('0', current, next1));
1523 shift(1);
1524 state = InString;
1525 } else if (isOctalDigit(current)) {
1526 record16(convertOctal('0', '0', current));
1527 state = InString;
1528 } else {
1529 setDone(Bad);
1530 err = IllegalEscapeSequence;
1531 errmsg = LU::tr("Illegal escape squence");
1532 }
1533 } else if (current == 'x')
1534 state = InHexEscape;
1535 else if (current == 'u')
1536 state = InUnicodeEscape;
1537 else {
1538 record16(singleEscape(current));
1539 state = InString;
1540 }
1541 break;
1542 case InHexEscape:
1543 if (isHexDigit(current) && isHexDigit(next1)) {
1544 state = InString;
1545 record16(QLatin1Char(convertHex(current, next1)));
1546 shift(1);
1547 } else if (current == stringType) {
1548 record16(QLatin1Char('x'));
1549 shift(1);
1550 setDone(String);
1551 } else {
1552 record16(QLatin1Char('x'));
1553 record16(current);
1554 state = InString;
1555 }
1556 break;
1557 case InUnicodeEscape:
1558 if (isHexDigit(current) && isHexDigit(next1) &&
1559 isHexDigit(next2) && isHexDigit(next3)) {
1560 record16(convertUnicode(current, next1, next2, next3));
1561 shift(3);
1562 state = InString;
1563 } else if (current == stringType) {
1564 record16(QLatin1Char('u'));
1565 shift(1);
1566 setDone(String);
1567 } else {
1568 setDone(Bad);
1569 err = IllegalUnicodeEscapeSequence;
1570 errmsg = LU::tr("Illegal unicode escape sequence");
1571 }
1572 break;
1573 case InSingleLineComment:
1574 if (isLineTerminator()) {
1575 record16(current); // include newline
1576 processComment(buffer16, pos16);
1577 shiftWindowsLineBreak();
1578 yylineno++;
1579 yycolumn = 0;
1580 pos16 = 0;
1581 terminator = true;
1582 bol = true;
1583 if (restrKeyword) {
1584 token = QScriptGrammar::T_SEMICOLON;
1585 setDone(Other);
1586 } else
1587 state = Start;
1588 } else if (current == 0) {
1589 setDone(Eof);
1590 } else {
1591 record16(current);
1592 }
1593 break;
1594 case InMultiLineComment:
1595 if (current == 0) {
1596 setDone(Bad);
1597 err = UnclosedComment;
1598 errmsg = LU::tr("Unclosed comment at end of file");
1599 } else if (isLineTerminator()) {
1600 shiftWindowsLineBreak();
1601 yylineno++;
1602 } else if (current == '*' && next1 == '/') {
1603 processComment(buffer16, pos16);
1604 pos16 = 0;
1605 state = Start;
1606 shift(1);
1607 } else {
1608 record16(current);
1609 }
1610 break;
1611 case InIdentifier:
1612 if (isIdentLetter(current) || isDecimalDigit(current)) {
1613 record16(current);
1614 break;
1615 }
1616 setDone(Identifier);
1617 break;
1618 case InNum0:
1619 if (current == 'x' || current == 'X') {
1620 record8(current);
1621 state = InHex;
1622 } else if (current == '.') {
1623 record8(current);
1624 state = InDecimal;
1625 } else if (current == 'e' || current == 'E') {
1626 record8(current);
1627 state = InExponentIndicator;
1628 } else if (isOctalDigit(current)) {
1629 record8(current);
1630 state = InOctal;
1631 } else if (isDecimalDigit(current)) {
1632 record8(current);
1633 state = InDecimal;
1634 } else {
1635 setDone(Number);
1636 }
1637 break;
1638 case InHex:
1639 if (isHexDigit(current))
1640 record8(current);
1641 else
1642 setDone(Hex);
1643 break;
1644 case InOctal:
1645 if (isOctalDigit(current)) {
1646 record8(current);
1647 } else if (isDecimalDigit(current)) {
1648 record8(current);
1649 state = InDecimal;
1650 } else {
1651 setDone(Octal);
1652 }
1653 break;
1654 case InNum:
1655 if (isDecimalDigit(current)) {
1656 record8(current);
1657 } else if (current == '.') {
1658 record8(current);
1659 state = InDecimal;
1660 } else if (current == 'e' || current == 'E') {
1661 record8(current);
1662 state = InExponentIndicator;
1663 } else {
1664 setDone(Number);
1665 }
1666 break;
1667 case InDecimal:
1668 if (isDecimalDigit(current)) {
1669 record8(current);
1670 } else if (current == 'e' || current == 'E') {
1671 record8(current);
1672 state = InExponentIndicator;
1673 } else {
1674 setDone(Number);
1675 }
1676 break;
1677 case InExponentIndicator:
1678 if (current == '+' || current == '-') {
1679 record8(current);
1680 } else if (isDecimalDigit(current)) {
1681 record8(current);
1682 state = InExponent;
1683 } else {
1684 setDone(Bad);
1685 err = IllegalExponentIndicator;
1686 errmsg = LU::tr("Illegal syntax for exponential number");
1687 }
1688 break;
1689 case InExponent:
1690 if (isDecimalDigit(current)) {
1691 record8(current);
1692 } else {
1693 setDone(Number);
1694 }
1695 break;
1696 default:
1697 Q_ASSERT_X(0, "Lexer::lex", "Unhandled state in switch statement");
1698 }
1699
1700 // move on to the next character
1701 if (!done)
1702 shift(1);
1703 if (state != Start && state != InSingleLineComment)
1704 bol = false;
1705 }
1706
1707 // no identifiers allowed directly after numeric literal, e.g. "3in" is bad
1708 if ((state == Number || state == Octal || state == Hex)
1709 && isIdentLetter(current)) {
1710 state = Bad;
1711 err = IllegalIdentifier;
1712 errmsg = LU::tr("Identifier cannot start with numeric literal");
1713 }
1714
1715 // terminate string
1716 buffer8[pos8] = '\0';
1717
1718 double dval = 0;
1719 if (state == Number) {
1720 dval = qstrtod(buffer8, 0, 0);
1721 } else if (state == Hex) { // scan hex numbers
1722 dval = QScript::integerFromString(buffer8, pos8, 16);
1723 state = Number;
1724 } else if (state == Octal) { // scan octal number
1725 dval = QScript::integerFromString(buffer8, pos8, 8);
1726 state = Number;
1727 }
1728
1729 restrKeyword = false;
1730 delimited = false;
1731
1732 switch (parenthesesState) {
1733 case IgnoreParentheses:
1734 break;
1735 case CountParentheses:
1736 if (token == QScriptGrammar::T_RPAREN) {
1737 --parenthesesCount;
1738 if (parenthesesCount == 0)
1739 parenthesesState = BalancedParentheses;
1740 } else if (token == QScriptGrammar::T_LPAREN) {
1741 ++parenthesesCount;
1742 }
1743 break;
1744 case BalancedParentheses:
1745 parenthesesState = IgnoreParentheses;
1746 break;
1747 }
1748
1749 switch (state) {
1750 case Eof:
1751 return 0;
1752 case Other:
1753 if(token == QScriptGrammar::T_RBRACE || token == QScriptGrammar::T_SEMICOLON)
1754 delimited = true;
1755 return token;
1756 case Identifier:
1757 if ((token = findReservedWord(buffer16, pos16)) < 0) {
1758 /* TODO: close leak on parse error. same holds true for String */
1759 qsyylval = QString(buffer16, pos16);
1760 return QScriptGrammar::T_IDENTIFIER;
1761 }
1762 if (token == QScriptGrammar::T_CONTINUE || token == QScriptGrammar::T_BREAK
1763 || token == QScriptGrammar::T_RETURN || token == QScriptGrammar::T_THROW) {
1764 restrKeyword = true;
1765 } else if (token == QScriptGrammar::T_IF || token == QScriptGrammar::T_FOR
1766 || token == QScriptGrammar::T_WHILE || token == QScriptGrammar::T_WITH) {
1767 parenthesesState = CountParentheses;
1768 parenthesesCount = 0;
1769 } else if (token == QScriptGrammar::T_DO) {
1770 parenthesesState = BalancedParentheses;
1771 }
1772 return token;
1773 case String:
1774 qsyylval = QString(buffer16, pos16);
1775 return QScriptGrammar::T_STRING_LITERAL;
1776 case Number:
1777 qsyylval = dval;
1778 return QScriptGrammar::T_NUMERIC_LITERAL;
1779 case Bad:
1780 return -1;
1781 default:
1782 Q_ASSERT(!"unhandled numeration value in switch");
1783 return -1;
1784 }
1785}
1786
1787bool QScript::Lexer::isWhiteSpace() const
1788{
1789 return (current == ' ' || current == '\t' ||
1790 current == 0x0b || current == 0x0c);
1791}
1792
1793bool QScript::Lexer::isLineTerminator() const
1794{
1795 return (current == '\n' || current == '\r');
1796}
1797
1798bool QScript::Lexer::isIdentLetter(ushort c)
1799{
1800 /* TODO: allow other legitimate unicode chars */
1801 return ((c >= 'a' && c <= 'z')
1802 || (c >= 'A' && c <= 'Z')
1803 || c == '$'
1804 || c == '_');
1805}
1806
1807bool QScript::Lexer::isDecimalDigit(ushort c)
1808{
1809 return (c >= '0' && c <= '9');
1810}
1811
1812bool QScript::Lexer::isHexDigit(ushort c) const
1813{
1814 return ((c >= '0' && c <= '9')
1815 || (c >= 'a' && c <= 'f')
1816 || (c >= 'A' && c <= 'F'));
1817}
1818
1819bool QScript::Lexer::isOctalDigit(ushort c) const
1820{
1821 return (c >= '0' && c <= '7');
1822}
1823
1824int QScript::Lexer::matchPunctuator(ushort c1, ushort c2,
1825 ushort c3, ushort c4)
1826{
1827 if (c1 == '>' && c2 == '>' && c3 == '>' && c4 == '=') {
1828 shift(4);
1829 return QScriptGrammar::T_GT_GT_GT_EQ;
1830 } else if (c1 == '=' && c2 == '=' && c3 == '=') {
1831 shift(3);
1832 return QScriptGrammar::T_EQ_EQ_EQ;
1833 } else if (c1 == '!' && c2 == '=' && c3 == '=') {
1834 shift(3);
1835 return QScriptGrammar::T_NOT_EQ_EQ;
1836 } else if (c1 == '>' && c2 == '>' && c3 == '>') {
1837 shift(3);
1838 return QScriptGrammar::T_GT_GT_GT;
1839 } else if (c1 == '<' && c2 == '<' && c3 == '=') {
1840 shift(3);
1841 return QScriptGrammar::T_LT_LT_EQ;
1842 } else if (c1 == '>' && c2 == '>' && c3 == '=') {
1843 shift(3);
1844 return QScriptGrammar::T_GT_GT_EQ;
1845 } else if (c1 == '<' && c2 == '=') {
1846 shift(2);
1847 return QScriptGrammar::T_LE;
1848 } else if (c1 == '>' && c2 == '=') {
1849 shift(2);
1850 return QScriptGrammar::T_GE;
1851 } else if (c1 == '!' && c2 == '=') {
1852 shift(2);
1853 return QScriptGrammar::T_NOT_EQ;
1854 } else if (c1 == '+' && c2 == '+') {
1855 shift(2);
1856 return QScriptGrammar::T_PLUS_PLUS;
1857 } else if (c1 == '-' && c2 == '-') {
1858 shift(2);
1859 return QScriptGrammar::T_MINUS_MINUS;
1860 } else if (c1 == '=' && c2 == '=') {
1861 shift(2);
1862 return QScriptGrammar::T_EQ_EQ;
1863 } else if (c1 == '+' && c2 == '=') {
1864 shift(2);
1865 return QScriptGrammar::T_PLUS_EQ;
1866 } else if (c1 == '-' && c2 == '=') {
1867 shift(2);
1868 return QScriptGrammar::T_MINUS_EQ;
1869 } else if (c1 == '*' && c2 == '=') {
1870 shift(2);
1871 return QScriptGrammar::T_STAR_EQ;
1872 } else if (c1 == '/' && c2 == '=') {
1873 shift(2);
1874 return QScriptGrammar::T_DIVIDE_EQ;
1875 } else if (c1 == '&' && c2 == '=') {
1876 shift(2);
1877 return QScriptGrammar::T_AND_EQ;
1878 } else if (c1 == '^' && c2 == '=') {
1879 shift(2);
1880 return QScriptGrammar::T_XOR_EQ;
1881 } else if (c1 == '%' && c2 == '=') {
1882 shift(2);
1883 return QScriptGrammar::T_REMAINDER_EQ;
1884 } else if (c1 == '|' && c2 == '=') {
1885 shift(2);
1886 return QScriptGrammar::T_OR_EQ;
1887 } else if (c1 == '<' && c2 == '<') {
1888 shift(2);
1889 return QScriptGrammar::T_LT_LT;
1890 } else if (c1 == '>' && c2 == '>') {
1891 shift(2);
1892 return QScriptGrammar::T_GT_GT;
1893 } else if (c1 == '&' && c2 == '&') {
1894 shift(2);
1895 return QScriptGrammar::T_AND_AND;
1896 } else if (c1 == '|' && c2 == '|') {
1897 shift(2);
1898 return QScriptGrammar::T_OR_OR;
1899 }
1900
1901 switch(c1) {
1902 case '=': shift(1); return QScriptGrammar::T_EQ;
1903 case '>': shift(1); return QScriptGrammar::T_GT;
1904 case '<': shift(1); return QScriptGrammar::T_LT;
1905 case ',': shift(1); return QScriptGrammar::T_COMMA;
1906 case '!': shift(1); return QScriptGrammar::T_NOT;
1907 case '~': shift(1); return QScriptGrammar::T_TILDE;
1908 case '?': shift(1); return QScriptGrammar::T_QUESTION;
1909 case ':': shift(1); return QScriptGrammar::T_COLON;
1910 case '.': shift(1); return QScriptGrammar::T_DOT;
1911 case '+': shift(1); return QScriptGrammar::T_PLUS;
1912 case '-': shift(1); return QScriptGrammar::T_MINUS;
1913 case '*': shift(1); return QScriptGrammar::T_STAR;
1914 case '/': shift(1); return QScriptGrammar::T_DIVIDE_;
1915 case '&': shift(1); return QScriptGrammar::T_AND;
1916 case '|': shift(1); return QScriptGrammar::T_OR;
1917 case '^': shift(1); return QScriptGrammar::T_XOR;
1918 case '%': shift(1); return QScriptGrammar::T_REMAINDER;
1919 case '(': shift(1); return QScriptGrammar::T_LPAREN;
1920 case ')': shift(1); return QScriptGrammar::T_RPAREN;
1921 case '{': shift(1); return QScriptGrammar::T_LBRACE;
1922 case '}': shift(1); return QScriptGrammar::T_RBRACE;
1923 case '[': shift(1); return QScriptGrammar::T_LBRACKET;
1924 case ']': shift(1); return QScriptGrammar::T_RBRACKET;
1925 case ';': shift(1); return QScriptGrammar::T_SEMICOLON;
1926
1927 default: return -1;
1928 }
1929}
1930
1931ushort QScript::Lexer::singleEscape(ushort c) const
1932{
1933 switch(c) {
1934 case 'b':
1935 return 0x08;
1936 case 't':
1937 return 0x09;
1938 case 'n':
1939 return 0x0A;
1940 case 'v':
1941 return 0x0B;
1942 case 'f':
1943 return 0x0C;
1944 case 'r':
1945 return 0x0D;
1946 case '"':
1947 return 0x22;
1948 case '\'':
1949 return 0x27;
1950 case '\\':
1951 return 0x5C;
1952 default:
1953 return c;
1954 }
1955}
1956
1957ushort QScript::Lexer::convertOctal(ushort c1, ushort c2,
1958 ushort c3) const
1959{
1960 return ((c1 - '0') * 64 + (c2 - '0') * 8 + c3 - '0');
1961}
1962
1963unsigned char QScript::Lexer::convertHex(ushort c)
1964{
1965 if (c >= '0' && c <= '9')
1966 return (c - '0');
1967 else if (c >= 'a' && c <= 'f')
1968 return (c - 'a' + 10);
1969 else
1970 return (c - 'A' + 10);
1971}
1972
1973unsigned char QScript::Lexer::convertHex(ushort c1, ushort c2)
1974{
1975 return ((convertHex(c1) << 4) + convertHex(c2));
1976}
1977
1978QChar QScript::Lexer::convertUnicode(ushort c1, ushort c2,
1979 ushort c3, ushort c4)
1980{
1981 return QChar((convertHex(c3) << 4) + convertHex(c4),
1982 (convertHex(c1) << 4) + convertHex(c2));
1983}
1984
1985void QScript::Lexer::record8(ushort c)
1986{
1987 Q_ASSERT(c <= 0xff);
1988
1989 // enlarge buffer if full
1990 if (pos8 >= size8 - 1) {
1991 char *tmp = new char[2 * size8];
1992 memcpy(tmp, buffer8, size8 * sizeof(char));
1993 delete [] buffer8;
1994 buffer8 = tmp;
1995 size8 *= 2;
1996 }
1997
1998 buffer8[pos8++] = (char) c;
1999}
2000
2001void QScript::Lexer::record16(QChar c)
2002{
2003 // enlarge buffer if full
2004 if (pos16 >= size16 - 1) {
2005 QChar *tmp = new QChar[2 * size16];
2006 memcpy(tmp, buffer16, size16 * sizeof(QChar));
2007 delete [] buffer16;
2008 buffer16 = tmp;
2009 size16 *= 2;
2010 }
2011
2012 buffer16[pos16++] = c;
2013}
2014
2015void QScript::Lexer::recordStartPos()
2016{
2017 startlineno = yylineno;
2018 startcolumn = yycolumn;
2019}
2020
2021bool QScript::Lexer::scanRegExp(RegExpBodyPrefix prefix)
2022{
2023 pos16 = 0;
2024 bool lastWasEscape = false;
2025
2026 if (prefix == EqualPrefix)
2027 record16(QLatin1Char('='));
2028
2029 while (1) {
2030 if (isLineTerminator() || current == 0) {
2031 errmsg = LU::tr("Unterminated regular expression literal");
2032 return false;
2033 }
2034 else if (current != '/' || lastWasEscape == true)
2035 {
2036 record16(current);
2037 lastWasEscape = !lastWasEscape && (current == '\\');
2038 }
2039 else {
2040 pattern = QString(buffer16, pos16);
2041 pos16 = 0;
2042 shift(1);
2043 break;
2044 }
2045 shift(1);
2046 }
2047
2048 flags = 0;
2049 while (isIdentLetter(current)) {
2050 record16(current);
2051 shift(1);
2052 }
2053
2054 return true;
2055}
2056
2057void QScript::Lexer::syncProhibitAutomaticSemicolon()
2058{
2059 if (parenthesesState == BalancedParentheses) {
2060 // we have seen something like "if (foo)", which means we should
2061 // never insert an automatic semicolon at this point, since it would
2062 // then be expanded into an empty statement (ECMA-262 7.9.1)
2063 prohibitAutomaticSemicolon = true;
2064 parenthesesState = IgnoreParentheses;
2065 } else {
2066 prohibitAutomaticSemicolon = false;
2067 }
2068}
2069
2070void QScript::Lexer::processComment(const QChar *chars, int length)
2071{
2072 commentProcessor->processComment(chars, length);
2073}
2074
2075
2076class Translator;
2077
2078class QScriptParser: protected QScriptGrammar, public QScript::CommentProcessor
2079{
2080public:
2081 QVariant val;
2082
2083 struct Location {
2084 int startLine;
2085 int startColumn;
2086 int endLine;
2087 int endColumn;
2088 };
2089
2090public:
2091 QScriptParser();
2092 ~QScriptParser();
2093
2094 void setLexer(QScript::Lexer *);
2095
2096 bool parse(Translator *translator);
2097
2098 QString fileName() const
2099 { return lexer->fileName(); }
2100 inline QString errorMessage() const
2101 { return error_message; }
2102 inline int errorLineNumber() const
2103 { return error_lineno; }
2104 inline int errorColumnNumber() const
2105 { return error_column; }
2106
2107protected:
2108 inline void reallocateStack();
2109
2110 inline QVariant &sym(int index)
2111 { return sym_stack [tos + index - 1]; }
2112
2113 inline Location &loc(int index)
2114 { return location_stack [tos + index - 2]; }
2115
2116 std::ostream &yyMsg(int line = 0);
2117
2118 virtual void processComment(const QChar *, int);
2119
2120protected:
2121 int tos;
2122 int stack_size;
2123 QVector<QVariant> sym_stack;
2124 int *state_stack;
2125 Location *location_stack;
2126 QString error_message;
2127 int error_lineno;
2128 int error_column;
2129
2130private:
2131 QScript::Lexer *lexer;
2132 QString extracomment;
2133 QString msgid;
2134 QString sourcetext;
2135 TranslatorMessage::ExtraData extra;
2136};
2137
2138inline void QScriptParser::reallocateStack()
2139{
2140 if (! stack_size)
2141 stack_size = 128;
2142 else
2143 stack_size <<= 1;
2144
2145 sym_stack.resize(stack_size);
2146 state_stack = reinterpret_cast<int*> (qRealloc(state_stack, stack_size * sizeof(int)));
2147 location_stack = reinterpret_cast<Location*> (qRealloc(location_stack, stack_size * sizeof(Location)));
2148}
2149
2150inline static bool automatic(QScript::Lexer *lexer, int token)
2151{
2152 return (token == QScriptGrammar::T_RBRACE)
2153 || (token == 0)
2154 || lexer->prevTerminator();
2155}
2156
2157QScriptParser::QScriptParser():
2158 tos(0),
2159 stack_size(0),
2160 sym_stack(0),
2161 state_stack(0),
2162 location_stack(0),
2163 lexer(0)
2164{
2165}
2166
2167QScriptParser::~QScriptParser()
2168{
2169 if (stack_size) {
2170 qFree(state_stack);
2171 qFree(location_stack);
2172 }
2173}
2174
2175static inline QScriptParser::Location location(QScript::Lexer *lexer)
2176{
2177 QScriptParser::Location loc;
2178 loc.startLine = lexer->startLineNo();
2179 loc.startColumn = lexer->startColumnNo();
2180 loc.endLine = lexer->endLineNo();
2181 loc.endColumn = lexer->endColumnNo();
2182 return loc;
2183}
2184
2185void QScriptParser::setLexer(QScript::Lexer *lex)
2186{
2187 lexer = lex;
2188}
2189
2190bool QScriptParser::parse(Translator *translator)
2191{
2192 Q_ASSERT(lexer != 0);
2193 const int INITIAL_STATE = 0;
2194
2195 int yytoken = -1;
2196 int saved_yytoken = -1;
2197 int identLineNo = -1;
2198
2199 reallocateStack();
2200
2201 tos = 0;
2202 state_stack[++tos] = INITIAL_STATE;
2203
2204 while (true)
2205 {
2206 const int state = state_stack [tos];
2207 if (yytoken == -1 && - TERMINAL_COUNT != action_index [state])
2208 {
2209 if (saved_yytoken == -1)
2210 {
2211 yytoken = lexer->lex();
2212 location_stack [tos] = location(lexer);
2213 }
2214 else
2215 {
2216 yytoken = saved_yytoken;
2217 saved_yytoken = -1;
2218 }
2219 }
2220
2221 int act = t_action (state, yytoken);
2222
2223 if (act == ACCEPT_STATE)
2224 return true;
2225
2226 else if (act > 0)
2227 {
2228 if (++tos == stack_size)
2229 reallocateStack();
2230
2231 sym_stack [tos] = lexer->val ();
2232 state_stack [tos] = act;
2233 location_stack [tos] = location(lexer);
2234 yytoken = -1;
2235 }
2236
2237 else if (act < 0)
2238 {
2239 int r = - act - 1;
2240
2241 tos -= rhs [r];
2242 act = state_stack [tos++];
2243
2244 switch (r) {
2245
2246case 1: {
2247 sym(1) = sym(1).toByteArray();
2248 identLineNo = lexer->startLineNo();
2249} break;
2250
2251case 7: {
2252 bool rx = lexer->scanRegExp(QScript::Lexer::NoPrefix);
2253 if (!rx) {
2254 error_message = lexer->errorMessage();
2255 error_lineno = lexer->startLineNo();
2256 error_column = lexer->startColumnNo();
2257 return false;
2258 }
2259} break;
2260
2261case 8: {
2262 bool rx = lexer->scanRegExp(QScript::Lexer::EqualPrefix);
2263 if (!rx) {
2264 error_message = lexer->errorMessage();
2265 error_lineno = lexer->startLineNo();
2266 error_column = lexer->startColumnNo();
2267 return false;
2268 }
2269} break;
2270
2271case 66: {
2272 QString name = sym(1).toString();
2273 if ((name == QLatin1String("qsTranslate")) || (name == QLatin1String("QT_TRANSLATE_NOOP"))) {
2274 if (!sourcetext.isEmpty())
2275 yyMsg(identLineNo) << qPrintable(LU::tr("//% cannot be used with %1(). Ignoring\n").arg(name));
2276 QVariantList args = sym(2).toList();
2277 if (args.size() < 2) {
2278 yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least two arguments.\n").arg(name));
2279 } else {
2280 if ((args.at(0).type() != QVariant::String)
2281 || (args.at(1).type() != QVariant::String)) {
2282 yyMsg(identLineNo) << qPrintable(LU::tr("%1(): both arguments must be literal strings.\n").arg(name));
2283 } else {
2284 QString context = args.at(0).toString();
2285 QString text = args.at(1).toString();
2286 QString comment = args.value(2).toString();
2287 bool plural = (args.size() > 4);
2288 recordMessage(translator, context, text, comment, extracomment,
2289 msgid, extra, plural, fileName(), identLineNo);
2290 }
2291 }
2292 sourcetext.clear();
2293 extracomment.clear();
2294 msgid.clear();
2295 extra.clear();
2296 } else if ((name == QLatin1String("qsTr")) || (name == QLatin1String("QT_TR_NOOP"))) {
2297 if (!sourcetext.isEmpty())
2298 yyMsg(identLineNo) << qPrintable(LU::tr("//% cannot be used with %1(). Ignoring\n").arg(name));
2299 QVariantList args = sym(2).toList();
2300 if (args.size() < 1) {
2301 yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least one argument.\n").arg(name));
2302 } else {
2303 if (args.at(0).type() != QVariant::String) {
2304 yyMsg(identLineNo) << qPrintable(LU::tr("%1(): text to translate must be a literal string.\n").arg(name));
2305 } else {
2306 QString context = QFileInfo(fileName()).baseName();
2307 QString text = args.at(0).toString();
2308 QString comment = args.value(1).toString();
2309 bool plural = (args.size() > 2);
2310 recordMessage(translator, context, text, comment, extracomment,
2311 msgid, extra, plural, fileName(), identLineNo);
2312 }
2313 }
2314 sourcetext.clear();
2315 extracomment.clear();
2316 msgid.clear();
2317 extra.clear();
2318 } else if ((name == QLatin1String("qsTrId")) || (name == QLatin1String("QT_TRID_NOOP"))) {
2319 if (!msgid.isEmpty())
2320 yyMsg(identLineNo) << qPrintable(LU::tr("//= cannot be used with %1(). Ignoring\n").arg(name));
2321 QVariantList args = sym(2).toList();
2322 if (args.size() < 1) {
2323 yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least one argument.\n").arg(name));
2324 } else {
2325 if (args.at(0).type() != QVariant::String) {
2326 yyMsg(identLineNo) << qPrintable(LU::tr("%1(): identifier must be a literal string.\n").arg(name));
2327 } else {
2328 msgid = args.at(0).toString();
2329 bool plural = (args.size() > 1);
2330 recordMessage(translator, QString(), sourcetext, QString(), extracomment,
2331 msgid, extra, plural, fileName(), identLineNo);
2332 }
2333 }
2334 sourcetext.clear();
2335 extracomment.clear();
2336 msgid.clear();
2337 extra.clear();
2338 }
2339} break;
2340
2341case 70: {
2342 sym(1) = QVariantList();
2343} break;
2344
2345case 71: {
2346 sym(1) = sym(2);
2347} break;
2348
2349case 72: {
2350 sym(1) = QVariantList() << sym(1);
2351} break;
2352
2353case 73: {
2354 sym(1) = sym(1).toList() << sym(3);
2355} break;
2356
2357case 94: {
2358 if ((sym(1).type() == QVariant::String) || (sym(3).type() == QVariant::String))
2359 sym(1) = sym(1).toString() + sym(3).toString();
2360 else
2361 sym(1) = QVariant();
2362} break;
2363
2364 case 171:
2365
2366 case 172:
2367
2368 case 173:
2369
2370 case 174:
2371
2372 case 175:
2373
2374 case 176:
2375
2376 case 177:
2377
2378 case 178:
2379
2380 case 179:
2381
2382 case 180:
2383
2384 case 181:
2385
2386 case 182:
2387
2388 case 183:
2389
2390 case 184:
2391
2392 case 185:
2393 if (!sourcetext.isEmpty() || !extracomment.isEmpty() || !msgid.isEmpty() || !extra.isEmpty()) {
2394 yyMsg() << qPrintable(LU::tr("Discarding unconsumed meta data\n"));
2395 sourcetext.clear();
2396 extracomment.clear();
2397 msgid.clear();
2398 extra.clear();
2399 }
2400 break;
2401
2402 } // switch
2403
2404 state_stack [tos] = nt_action (act, lhs [r] - TERMINAL_COUNT);
2405
2406 if (rhs[r] > 1) {
2407 location_stack[tos - 1].endLine = location_stack[tos + rhs[r] - 2].endLine;
2408 location_stack[tos - 1].endColumn = location_stack[tos + rhs[r] - 2].endColumn;
2409 location_stack[tos] = location_stack[tos + rhs[r] - 1];
2410 }
2411 }
2412
2413 else
2414 {
2415 if (saved_yytoken == -1 && automatic (lexer, yytoken) && t_action (state, T_AUTOMATIC_SEMICOLON) > 0)
2416 {
2417 saved_yytoken = yytoken;
2418 yytoken = T_SEMICOLON;
2419 continue;
2420 }
2421
2422 else if ((state == INITIAL_STATE) && (yytoken == 0)) {
2423 // accept empty input
2424 yytoken = T_SEMICOLON;
2425 continue;
2426 }
2427
2428 int ers = state;
2429 int shifts = 0;
2430 int reduces = 0;
2431 int expected_tokens [3];
2432 for (int tk = 0; tk < TERMINAL_COUNT; ++tk)
2433 {
2434 int k = t_action (ers, tk);
2435
2436 if (! k)
2437 continue;
2438 else if (k < 0)
2439 ++reduces;
2440 else if (spell [tk])
2441 {
2442 if (shifts < 3)
2443 expected_tokens [shifts] = tk;
2444 ++shifts;
2445 }
2446 }
2447
2448 error_message.clear ();
2449 if (shifts && shifts < 3)
2450 {
2451 bool first = true;
2452
2453 for (int s = 0; s < shifts; ++s)
2454 {
2455 if (first)
2456 //: Beginning of the string that contains
2457 //: comma-separated list of expected tokens
2458 error_message += LU::tr("Expected ");
2459 else
2460 error_message += QLatin1String (", ");
2461
2462 first = false;
2463 error_message += QLatin1String("`");
2464 error_message += QLatin1String (spell [expected_tokens [s]]);
2465 error_message += QLatin1String("'");
2466 }
2467 }
2468
2469 if (error_message.isEmpty())
2470 error_message = lexer->errorMessage();
2471
2472 error_lineno = lexer->startLineNo();
2473 error_column = lexer->startColumnNo();
2474
2475 return false;
2476 }
2477 }
2478
2479 return false;
2480}
2481
2482std::ostream &QScriptParser::yyMsg(int line)
2483{
2484 return std::cerr << qPrintable(fileName()) << ':' << (line ? line : lexer->startLineNo()) << ": ";
2485}
2486
2487void QScriptParser::processComment(const QChar *chars, int length)
2488{
2489 if (!length)
2490 return;
2491 // Try to match the logic of the C++ parser.
2492 if (*chars == QLatin1Char(':') && chars[1].isSpace()) {
2493 extracomment += QString(chars+2, length-2);
2494 } else if (*chars == QLatin1Char('=') && chars[1].isSpace()) {
2495 msgid = QString(chars+2, length-2).simplified();
2496 } else if (*chars == QLatin1Char('~') && chars[1].isSpace()) {
2497 QString text = QString(chars+2, length-2).trimmed();
2498 int k = text.indexOf(QLatin1Char(' '));
2499 if (k > -1)
2500 extra.insert(text.left(k), text.mid(k + 1).trimmed());
2501 } else if (*chars == QLatin1Char('%') && chars[1].isSpace()) {
2502 sourcetext.reserve(sourcetext.length() + length-2);
2503 ushort *ptr = (ushort *)sourcetext.data() + sourcetext.length();
2504 int p = 2, c;
2505 forever {
2506 if (p >= length)
2507 break;
2508 c = chars[p++].unicode();
2509 if (isspace(c))
2510 continue;
2511 if (c != '"') {
2512 yyMsg() << qPrintable(LU::tr("Unexpected character in meta string\n"));
2513 break;
2514 }
2515 forever {
2516 if (p >= length) {
2517 whoops:
2518 yyMsg() << qPrintable(LU::tr("Unterminated meta string\n"));
2519 break;
2520 }
2521 c = chars[p++].unicode();
2522 if (c == '"')
2523 break;
2524 if (c == '\\') {
2525 if (p >= length)
2526 goto whoops;
2527 c = chars[p++].unicode();
2528 if (c == '\n')
2529 goto whoops;
2530 *ptr++ = '\\';
2531 }
2532 *ptr++ = c;
2533 }
2534 }
2535 sourcetext.resize(ptr - (ushort *)sourcetext.data());
2536 }
2537}
2538
2539
2540bool loadQScript(Translator &translator, const QString &filename, ConversionData &cd)
2541{
2542 QFile file(filename);
2543 if (!file.open(QIODevice::ReadOnly)) {
2544 cd.appendError(LU::tr("Cannot open %1: %2").arg(filename, file.errorString()));
2545 return false;
2546 }
2547 QTextStream ts(&file);
2548 QByteArray codecName;
2549 if (!cd.m_codecForSource.isEmpty())
2550 codecName = cd.m_codecForSource;
2551 else
2552 codecName = translator.codecName(); // Just because it should be latin1 already
2553 ts.setCodec(QTextCodec::codecForName(codecName));
2554 ts.setAutoDetectUnicode(true);
2555
2556 QString code = ts.readAll();
2557 QScriptParser parser;
2558 QScript::Lexer lexer(&parser);
2559 lexer.setCode(code, filename, /*lineNumber=*/1);
2560 parser.setLexer(&lexer);
2561 if (!parser.parse(&translator)) {
2562 std::cerr << qPrintable(filename) << ':' << parser.errorLineNumber() << ": "
2563 << qPrintable(parser.errorMessage()) << std::endl;
2564 return false;
2565 }
2566
2567 // Java uses UTF-16 internally and Jambi makes UTF-8 for tr() purposes of it.
2568 translator.setCodecName("UTF-8");
2569 return true;
2570}
2571
2572QT_END_NAMESPACE
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