/Users/deen/code/yugabyte-db/build/debugcov-clang-dynamic-arm64-ninja/postgres_build/src/bin/pgbench/exprscan.c
Line | Count | Source (jump to first uncovered line) |
1 | | #line 1 "exprscan.c" |
2 | | |
3 | | #line 3 "exprscan.c" |
4 | | |
5 | | #define YY_INT_ALIGNED short int |
6 | | |
7 | | /* A lexical scanner generated by flex */ |
8 | | |
9 | | #define FLEX_SCANNER |
10 | | #define YY_FLEX_MAJOR_VERSION 2 |
11 | | #define YY_FLEX_MINOR_VERSION 6 |
12 | | #define YY_FLEX_SUBMINOR_VERSION 3 |
13 | | #if YY_FLEX_SUBMINOR_VERSION > 0 |
14 | | #define FLEX_BETA |
15 | | #endif |
16 | | |
17 | | #define yy_create_buffer expr_yy_create_buffer |
18 | | |
19 | | #define yy_delete_buffer expr_yy_delete_buffer |
20 | | |
21 | | #define yy_scan_buffer expr_yy_scan_buffer |
22 | | |
23 | | #define yy_scan_string expr_yy_scan_string |
24 | | |
25 | | #define yy_scan_bytes expr_yy_scan_bytes |
26 | | |
27 | | #define yy_init_buffer expr_yy_init_buffer |
28 | | |
29 | | #define yy_flush_buffer expr_yy_flush_buffer |
30 | | |
31 | | #define yy_load_buffer_state expr_yy_load_buffer_state |
32 | | |
33 | 0 | #define yy_switch_to_buffer expr_yy_switch_to_buffer |
34 | | |
35 | | #define yypush_buffer_state expr_yypush_buffer_state |
36 | | |
37 | | #define yypop_buffer_state expr_yypop_buffer_state |
38 | | |
39 | | #define yyensure_buffer_stack expr_yyensure_buffer_stack |
40 | | |
41 | 0 | #define yylex expr_yylex |
42 | | |
43 | | #define yyrestart expr_yyrestart |
44 | | |
45 | | #define yylex_init expr_yylex_init |
46 | | |
47 | | #define yylex_init_extra expr_yylex_init_extra |
48 | | |
49 | | #define yylex_destroy expr_yylex_destroy |
50 | | |
51 | | #define yyget_debug expr_yyget_debug |
52 | | |
53 | | #define yyset_debug expr_yyset_debug |
54 | | |
55 | 0 | #define yyget_extra expr_yyget_extra |
56 | | |
57 | | #define yyset_extra expr_yyset_extra |
58 | | |
59 | | #define yyget_in expr_yyget_in |
60 | | |
61 | | #define yyset_in expr_yyset_in |
62 | | |
63 | | #define yyget_out expr_yyget_out |
64 | | |
65 | | #define yyset_out expr_yyset_out |
66 | | |
67 | | #define yyget_leng expr_yyget_leng |
68 | | |
69 | | #define yyget_text expr_yyget_text |
70 | | |
71 | | #define yyget_lineno expr_yyget_lineno |
72 | | |
73 | | #define yyset_lineno expr_yyset_lineno |
74 | | |
75 | | #define yyget_column expr_yyget_column |
76 | | |
77 | | #define yyset_column expr_yyset_column |
78 | | |
79 | | #define yywrap expr_yywrap |
80 | | |
81 | | #define yyget_lval expr_yyget_lval |
82 | | |
83 | | #define yyset_lval expr_yyset_lval |
84 | | |
85 | | #define yyalloc expr_yyalloc |
86 | | |
87 | | #define yyrealloc expr_yyrealloc |
88 | | |
89 | | #define yyfree expr_yyfree |
90 | | |
91 | | /* First, we deal with platform-specific or compiler-specific issues. */ |
92 | | |
93 | | /* begin standard C headers. */ |
94 | | #include <stdio.h> |
95 | | #include <string.h> |
96 | | #include <errno.h> |
97 | | #include <stdlib.h> |
98 | | |
99 | | /* end standard C headers. */ |
100 | | |
101 | | /* flex integer type definitions */ |
102 | | |
103 | | #ifndef FLEXINT_H |
104 | | #define FLEXINT_H |
105 | | |
106 | | /* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ |
107 | | |
108 | | #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L |
109 | | |
110 | | /* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, |
111 | | * if you want the limit (max/min) macros for int types. |
112 | | */ |
113 | | #ifndef __STDC_LIMIT_MACROS |
114 | | #define __STDC_LIMIT_MACROS 1 |
115 | | #endif |
116 | | |
117 | | #include <inttypes.h> |
118 | | typedef int8_t flex_int8_t; |
119 | | typedef uint8_t flex_uint8_t; |
120 | | typedef int16_t flex_int16_t; |
121 | | typedef uint16_t flex_uint16_t; |
122 | | typedef int32_t flex_int32_t; |
123 | | typedef uint32_t flex_uint32_t; |
124 | | #else |
125 | | typedef signed char flex_int8_t; |
126 | | typedef short int flex_int16_t; |
127 | | typedef int flex_int32_t; |
128 | | typedef unsigned char flex_uint8_t; |
129 | | typedef unsigned short int flex_uint16_t; |
130 | | typedef unsigned int flex_uint32_t; |
131 | | |
132 | | /* Limits of integral types. */ |
133 | | #ifndef INT8_MIN |
134 | | #define INT8_MIN (-128) |
135 | | #endif |
136 | | #ifndef INT16_MIN |
137 | | #define INT16_MIN (-32767-1) |
138 | | #endif |
139 | | #ifndef INT32_MIN |
140 | | #define INT32_MIN (-2147483647-1) |
141 | | #endif |
142 | | #ifndef INT8_MAX |
143 | | #define INT8_MAX (127) |
144 | | #endif |
145 | | #ifndef INT16_MAX |
146 | | #define INT16_MAX (32767) |
147 | | #endif |
148 | | #ifndef INT32_MAX |
149 | | #define INT32_MAX (2147483647) |
150 | | #endif |
151 | | #ifndef UINT8_MAX |
152 | | #define UINT8_MAX (255U) |
153 | | #endif |
154 | | #ifndef UINT16_MAX |
155 | | #define UINT16_MAX (65535U) |
156 | | #endif |
157 | | #ifndef UINT32_MAX |
158 | | #define UINT32_MAX (4294967295U) |
159 | | #endif |
160 | | |
161 | | #endif /* ! C99 */ |
162 | | |
163 | | #endif /* ! FLEXINT_H */ |
164 | | |
165 | | /* TODO: this is always defined, so inline it */ |
166 | | #define yyconst const |
167 | | |
168 | | #if defined(__GNUC__) && __GNUC__ >= 3 |
169 | | #define yynoreturn __attribute__((__noreturn__)) |
170 | | #else |
171 | | #define yynoreturn |
172 | | #endif |
173 | | |
174 | | /* Returned upon end-of-file. */ |
175 | | #define YY_NULL 0 |
176 | | |
177 | | /* Promotes a possibly negative, possibly signed char to an |
178 | | * integer in range [0..255] for use as an array index. |
179 | | */ |
180 | 0 | #define YY_SC_TO_UI(c) ((YY_CHAR) (c)) |
181 | | |
182 | | /* An opaque pointer. */ |
183 | | #ifndef YY_TYPEDEF_YY_SCANNER_T |
184 | | #define YY_TYPEDEF_YY_SCANNER_T |
185 | | typedef void* yyscan_t; |
186 | | #endif |
187 | | |
188 | | /* For convenience, these vars (plus the bison vars far below) |
189 | | are macros in the reentrant scanner. */ |
190 | 0 | #define yyin yyg->yyin_r |
191 | 0 | #define yyout yyg->yyout_r |
192 | 0 | #define yyextra yyg->yyextra_r |
193 | 0 | #define yyleng yyg->yyleng_r |
194 | 0 | #define yytext yyg->yytext_r |
195 | 0 | #define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno) |
196 | 0 | #define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column) |
197 | 0 | #define yy_flex_debug yyg->yy_flex_debug_r |
198 | | |
199 | | /* Enter a start condition. This macro really ought to take a parameter, |
200 | | * but we do it the disgusting crufty way forced on us by the ()-less |
201 | | * definition of BEGIN. |
202 | | */ |
203 | 0 | #define BEGIN yyg->yy_start = 1 + 2 * |
204 | | /* Translate the current start state into a value that can be later handed |
205 | | * to BEGIN to return to the state. The YYSTATE alias is for lex |
206 | | * compatibility. |
207 | | */ |
208 | | #define YY_START ((yyg->yy_start - 1) / 2) |
209 | | #define YYSTATE YY_START |
210 | | /* Action number for EOF rule of a given start state. */ |
211 | 0 | #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) |
212 | | /* Special action meaning "start processing a new file". */ |
213 | 0 | #define YY_NEW_FILE expr_yyrestart(yyin ,yyscanner ) |
214 | 0 | #define YY_END_OF_BUFFER_CHAR 0 |
215 | | |
216 | | /* Size of default input buffer. */ |
217 | | #ifndef YY_BUF_SIZE |
218 | | #ifdef __ia64__ |
219 | | /* On IA-64, the buffer size is 16k, not 8k. |
220 | | * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. |
221 | | * Ditto for the __ia64__ case accordingly. |
222 | | */ |
223 | | #define YY_BUF_SIZE 32768 |
224 | | #else |
225 | 0 | #define YY_BUF_SIZE 16384 |
226 | | #endif /* __ia64__ */ |
227 | | #endif |
228 | | |
229 | | /* The state buf must be large enough to hold one state per character in the main buffer. |
230 | | */ |
231 | | #define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) |
232 | | |
233 | | #ifndef YY_TYPEDEF_YY_BUFFER_STATE |
234 | | #define YY_TYPEDEF_YY_BUFFER_STATE |
235 | | typedef struct yy_buffer_state *YY_BUFFER_STATE; |
236 | | #endif |
237 | | |
238 | | #ifndef YY_TYPEDEF_YY_SIZE_T |
239 | | #define YY_TYPEDEF_YY_SIZE_T |
240 | | typedef size_t yy_size_t; |
241 | | #endif |
242 | | |
243 | 0 | #define EOB_ACT_CONTINUE_SCAN 0 |
244 | 0 | #define EOB_ACT_END_OF_FILE 1 |
245 | 0 | #define EOB_ACT_LAST_MATCH 2 |
246 | | |
247 | | #define YY_LESS_LINENO(n) |
248 | | #define YY_LINENO_REWIND_TO(ptr) |
249 | | |
250 | | /* Return all but the first "n" matched characters back to the input stream. */ |
251 | | #define yyless(n) \ |
252 | | do \ |
253 | | { \ |
254 | | /* Undo effects of setting up yytext. */ \ |
255 | | int yyless_macro_arg = (n); \ |
256 | | YY_LESS_LINENO(yyless_macro_arg);\ |
257 | | *yy_cp = yyg->yy_hold_char; \ |
258 | | YY_RESTORE_YY_MORE_OFFSET \ |
259 | | yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ |
260 | | YY_DO_BEFORE_ACTION; /* set up yytext again */ \ |
261 | | } \ |
262 | | while ( 0 ) |
263 | | #define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner ) |
264 | | |
265 | | #ifndef YY_STRUCT_YY_BUFFER_STATE |
266 | | #define YY_STRUCT_YY_BUFFER_STATE |
267 | | struct yy_buffer_state |
268 | | { |
269 | | FILE *yy_input_file; |
270 | | |
271 | | char *yy_ch_buf; /* input buffer */ |
272 | | char *yy_buf_pos; /* current position in input buffer */ |
273 | | |
274 | | /* Size of input buffer in bytes, not including room for EOB |
275 | | * characters. |
276 | | */ |
277 | | int yy_buf_size; |
278 | | |
279 | | /* Number of characters read into yy_ch_buf, not including EOB |
280 | | * characters. |
281 | | */ |
282 | | int yy_n_chars; |
283 | | |
284 | | /* Whether we "own" the buffer - i.e., we know we created it, |
285 | | * and can realloc() it to grow it, and should free() it to |
286 | | * delete it. |
287 | | */ |
288 | | int yy_is_our_buffer; |
289 | | |
290 | | /* Whether this is an "interactive" input source; if so, and |
291 | | * if we're using stdio for input, then we want to use getc() |
292 | | * instead of fread(), to make sure we stop fetching input after |
293 | | * each newline. |
294 | | */ |
295 | | int yy_is_interactive; |
296 | | |
297 | | /* Whether we're considered to be at the beginning of a line. |
298 | | * If so, '^' rules will be active on the next match, otherwise |
299 | | * not. |
300 | | */ |
301 | | int yy_at_bol; |
302 | | |
303 | | int yy_bs_lineno; /**< The line count. */ |
304 | | int yy_bs_column; /**< The column count. */ |
305 | | |
306 | | /* Whether to try to fill the input buffer when we reach the |
307 | | * end of it. |
308 | | */ |
309 | | int yy_fill_buffer; |
310 | | |
311 | | int yy_buffer_status; |
312 | | |
313 | 0 | #define YY_BUFFER_NEW 0 |
314 | 0 | #define YY_BUFFER_NORMAL 1 |
315 | | /* When an EOF's been seen but there's still some text to process |
316 | | * then we mark the buffer as YY_EOF_PENDING, to indicate that we |
317 | | * shouldn't try reading from the input source any more. We might |
318 | | * still have a bunch of tokens to match, though, because of |
319 | | * possible backing-up. |
320 | | * |
321 | | * When we actually see the EOF, we change the status to "new" |
322 | | * (via expr_yyrestart()), so that the user can continue scanning by |
323 | | * just pointing yyin at a new input file. |
324 | | */ |
325 | 0 | #define YY_BUFFER_EOF_PENDING 2 |
326 | | |
327 | | }; |
328 | | #endif /* !YY_STRUCT_YY_BUFFER_STATE */ |
329 | | |
330 | | /* We provide macros for accessing buffer states in case in the |
331 | | * future we want to put the buffer states in a more general |
332 | | * "scanner state". |
333 | | * |
334 | | * Returns the top of the stack, or NULL. |
335 | | */ |
336 | 0 | #define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \ |
337 | 0 | ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \ |
338 | 0 | : NULL) |
339 | | /* Same as previous macro, but useful when we know that the buffer stack is not |
340 | | * NULL or when we need an lvalue. For internal use only. |
341 | | */ |
342 | 0 | #define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] |
343 | | |
344 | | void expr_yyrestart ( FILE *input_file , yyscan_t yyscanner ); |
345 | | void expr_yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer , yyscan_t yyscanner ); |
346 | | YY_BUFFER_STATE expr_yy_create_buffer ( FILE *file, int size , yyscan_t yyscanner ); |
347 | | void expr_yy_delete_buffer ( YY_BUFFER_STATE b , yyscan_t yyscanner ); |
348 | | void expr_yy_flush_buffer ( YY_BUFFER_STATE b , yyscan_t yyscanner ); |
349 | | void expr_yypush_buffer_state ( YY_BUFFER_STATE new_buffer , yyscan_t yyscanner ); |
350 | | void expr_yypop_buffer_state ( yyscan_t yyscanner ); |
351 | | |
352 | | static void expr_yyensure_buffer_stack ( yyscan_t yyscanner ); |
353 | | static void expr_yy_load_buffer_state ( yyscan_t yyscanner ); |
354 | | static void expr_yy_init_buffer ( YY_BUFFER_STATE b, FILE *file , yyscan_t yyscanner ); |
355 | | #define YY_FLUSH_BUFFER expr_yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner) |
356 | | |
357 | | YY_BUFFER_STATE expr_yy_scan_buffer ( char *base, yy_size_t size , yyscan_t yyscanner ); |
358 | | YY_BUFFER_STATE expr_yy_scan_string ( const char *yy_str , yyscan_t yyscanner ); |
359 | | YY_BUFFER_STATE expr_yy_scan_bytes ( const char *bytes, int len , yyscan_t yyscanner ); |
360 | | |
361 | | void *expr_yyalloc ( yy_size_t , yyscan_t yyscanner ); |
362 | | void *expr_yyrealloc ( void *, yy_size_t , yyscan_t yyscanner ); |
363 | | void expr_yyfree ( void * , yyscan_t yyscanner ); |
364 | | |
365 | | #define yy_new_buffer expr_yy_create_buffer |
366 | | #define yy_set_interactive(is_interactive) \ |
367 | | { \ |
368 | | if ( ! YY_CURRENT_BUFFER ){ \ |
369 | | expr_yyensure_buffer_stack (yyscanner); \ |
370 | | YY_CURRENT_BUFFER_LVALUE = \ |
371 | | expr_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ |
372 | | } \ |
373 | | YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ |
374 | | } |
375 | | #define yy_set_bol(at_bol) \ |
376 | | { \ |
377 | | if ( ! YY_CURRENT_BUFFER ){\ |
378 | | expr_yyensure_buffer_stack (yyscanner); \ |
379 | | YY_CURRENT_BUFFER_LVALUE = \ |
380 | | expr_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ |
381 | | } \ |
382 | | YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ |
383 | | } |
384 | | #define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) |
385 | | |
386 | | /* Begin user sect3 */ |
387 | | |
388 | 0 | #define expr_yywrap(yyscanner) (/*CONSTCOND*/1) |
389 | | #define YY_SKIP_YYWRAP |
390 | | typedef flex_uint8_t YY_CHAR; |
391 | | |
392 | | typedef int yy_state_type; |
393 | | |
394 | 0 | #define yytext_ptr yytext_r |
395 | | |
396 | | static yy_state_type yy_get_previous_state ( yyscan_t yyscanner ); |
397 | | static yy_state_type yy_try_NUL_trans ( yy_state_type current_state , yyscan_t yyscanner); |
398 | | static int yy_get_next_buffer ( yyscan_t yyscanner ); |
399 | | static void yynoreturn yy_fatal_error ( const char* msg , yyscan_t yyscanner ); |
400 | | |
401 | | /* Done after the current pattern has been matched and before the |
402 | | * corresponding action - sets up yytext. |
403 | | */ |
404 | | #define YY_DO_BEFORE_ACTION \ |
405 | 0 | yyg->yytext_ptr = yy_bp; \ |
406 | 0 | yyleng = (int) (yy_cp - yy_bp); \ |
407 | 0 | yyg->yy_hold_char = *yy_cp; \ |
408 | 0 | *yy_cp = '\0'; \ |
409 | 0 | yyg->yy_c_buf_p = yy_cp; |
410 | | #define YY_NUM_RULES 50 |
411 | 0 | #define YY_END_OF_BUFFER 51 |
412 | | /* This struct is not used in this scanner, |
413 | | but its presence is necessary. */ |
414 | | struct yy_trans_info |
415 | | { |
416 | | flex_int32_t yy_verify; |
417 | | flex_int32_t yy_nxt; |
418 | | }; |
419 | | static const flex_int16_t yy_accept[110] = |
420 | | { 0, |
421 | | 0, 0, 0, 0, 51, 1, 3, 5, 1, 49, |
422 | | 46, 48, 49, 22, 10, 21, 24, 25, 8, 6, |
423 | | 26, 7, 49, 9, 42, 49, 18, 11, 19, 45, |
424 | | 45, 45, 45, 45, 45, 45, 45, 45, 45, 49, |
425 | | 20, 23, 1, 1, 3, 4, 0, 46, 13, 44, |
426 | | 43, 42, 0, 38, 16, 14, 12, 15, 17, 45, |
427 | | 45, 45, 45, 45, 45, 30, 45, 45, 28, 45, |
428 | | 45, 45, 47, 0, 2, 0, 0, 43, 0, 43, |
429 | | 27, 45, 45, 37, 45, 45, 29, 45, 45, 45, |
430 | | 45, 0, 44, 33, 36, 45, 45, 45, 39, 35, |
431 | | |
432 | | 40, 34, 41, 45, 45, 31, 45, 32, 0 |
433 | | } ; |
434 | | |
435 | | static const YY_CHAR yy_ec[256] = |
436 | | { 0, |
437 | | 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, |
438 | | 2, 2, 4, 1, 1, 1, 1, 1, 1, 1, |
439 | | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
440 | | 1, 2, 5, 1, 6, 1, 7, 8, 1, 9, |
441 | | 10, 11, 12, 13, 14, 15, 16, 17, 17, 17, |
442 | | 17, 17, 17, 17, 17, 17, 17, 18, 1, 19, |
443 | | 20, 21, 1, 1, 22, 23, 24, 25, 26, 27, |
444 | | 23, 28, 29, 23, 23, 30, 23, 31, 32, 23, |
445 | | 23, 33, 34, 35, 36, 23, 37, 23, 23, 23, |
446 | | 1, 38, 1, 1, 23, 1, 22, 23, 24, 25, |
447 | | |
448 | | 26, 27, 23, 28, 29, 23, 23, 30, 23, 31, |
449 | | 32, 23, 23, 33, 34, 35, 36, 23, 37, 23, |
450 | | 23, 23, 1, 39, 1, 40, 1, 23, 23, 23, |
451 | | 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, |
452 | | 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, |
453 | | 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, |
454 | | 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, |
455 | | 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, |
456 | | 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, |
457 | | 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, |
458 | | |
459 | | 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, |
460 | | 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, |
461 | | 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, |
462 | | 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, |
463 | | 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, |
464 | | 23, 23, 23, 23, 23 |
465 | | } ; |
466 | | |
467 | | static const YY_CHAR yy_meta[41] = |
468 | | { 0, |
469 | | 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, |
470 | | 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, |
471 | | 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
472 | | 3, 3, 3, 3, 3, 3, 3, 1, 1, 1 |
473 | | } ; |
474 | | |
475 | | static const flex_int16_t yy_base[114] = |
476 | | { 0, |
477 | | 0, 3, 41, 0, 146, 107, 6, 147, 79, 147, |
478 | | 7, 147, 124, 147, 147, 147, 147, 147, 147, 147, |
479 | | 147, 147, 126, 147, 0, 0, 0, 147, 2, 111, |
480 | | 0, 119, 0, 118, 105, 0, 105, 0, 109, 9, |
481 | | 147, 147, 98, 81, 12, 147, 132, 23, 147, 69, |
482 | | 70, 73, 23, 0, 147, 147, 147, 147, 147, 0, |
483 | | 109, 99, 98, 106, 100, 98, 93, 97, 0, 100, |
484 | | 88, 92, 147, 113, 147, 112, 77, 75, 97, 96, |
485 | | 0, 86, 85, 0, 76, 73, 77, 77, 75, 79, |
486 | | 73, 86, 85, 0, 0, 74, 68, 61, 0, 0, |
487 | | |
488 | | 0, 0, 0, 63, 9, 0, 4, 0, 147, 119, |
489 | | 122, 21, 15 |
490 | | } ; |
491 | | |
492 | | static const flex_int16_t yy_def[114] = |
493 | | { 0, |
494 | | 110, 110, 109, 3, 109, 111, 109, 109, 111, 109, |
495 | | 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, |
496 | | 109, 109, 109, 109, 109, 112, 109, 109, 109, 113, |
497 | | 113, 113, 113, 113, 113, 113, 113, 113, 113, 109, |
498 | | 109, 109, 111, 111, 109, 109, 109, 109, 109, 109, |
499 | | 109, 109, 109, 112, 109, 109, 109, 109, 109, 113, |
500 | | 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, |
501 | | 113, 113, 109, 109, 109, 109, 109, 109, 109, 109, |
502 | | 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, |
503 | | 113, 109, 109, 113, 113, 113, 113, 113, 113, 113, |
504 | | |
505 | | 113, 113, 113, 113, 113, 113, 113, 113, 0, 109, |
506 | | 109, 109, 109 |
507 | | } ; |
508 | | |
509 | | static const flex_int16_t yy_nxt[188] = |
510 | | { 0, |
511 | | 109, 7, 8, 7, 7, 8, 7, 45, 48, 45, |
512 | | 48, 73, 74, 45, 51, 45, 52, 60, 55, 56, |
513 | | 57, 58, 59, 54, 48, 53, 48, 70, 109, 63, |
514 | | 64, 67, 71, 108, 79, 68, 79, 9, 107, 80, |
515 | | 9, 10, 11, 12, 11, 13, 14, 15, 16, 17, |
516 | | 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, |
517 | | 28, 29, 30, 31, 32, 31, 33, 34, 31, 35, |
518 | | 31, 36, 37, 31, 31, 38, 31, 39, 40, 41, |
519 | | 42, 46, 47, 75, 76, 50, 78, 51, 92, 52, |
520 | | 92, 78, 106, 93, 77, 53, 105, 104, 53, 103, |
521 | | |
522 | | 53, 93, 93, 102, 101, 100, 99, 98, 97, 96, |
523 | | 95, 94, 80, 80, 75, 73, 44, 91, 44, 6, |
524 | | 6, 6, 43, 90, 43, 89, 88, 87, 86, 85, |
525 | | 84, 83, 82, 81, 46, 44, 72, 69, 66, 65, |
526 | | 62, 61, 50, 49, 44, 109, 5, 109, 109, 109, |
527 | | 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, |
528 | | 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, |
529 | | 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, |
530 | | 109, 109, 109, 109, 109, 109, 109 |
531 | | } ; |
532 | | |
533 | | static const flex_int16_t yy_chk[188] = |
534 | | { 0, |
535 | | 0, 1, 1, 1, 2, 2, 2, 7, 11, 7, |
536 | | 11, 40, 40, 45, 25, 45, 25, 113, 27, 27, |
537 | | 27, 29, 29, 112, 48, 25, 48, 38, 0, 33, |
538 | | 33, 36, 38, 107, 53, 36, 53, 1, 105, 53, |
539 | | 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
540 | | 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
541 | | 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
542 | | 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
543 | | 3, 9, 9, 44, 44, 50, 51, 52, 77, 52, |
544 | | 77, 78, 104, 77, 50, 51, 98, 97, 52, 96, |
545 | | |
546 | | 78, 93, 92, 91, 90, 89, 88, 87, 86, 85, |
547 | | 83, 82, 80, 79, 76, 74, 9, 72, 44, 110, |
548 | | 110, 110, 111, 71, 111, 70, 68, 67, 66, 65, |
549 | | 64, 63, 62, 61, 47, 43, 39, 37, 35, 34, |
550 | | 32, 30, 23, 13, 6, 5, 109, 109, 109, 109, |
551 | | 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, |
552 | | 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, |
553 | | 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, |
554 | | 109, 109, 109, 109, 109, 109, 109 |
555 | | } ; |
556 | | |
557 | | /* The intent behind this definition is that it'll catch |
558 | | * any uses of REJECT which flex missed. |
559 | | */ |
560 | | #define REJECT reject_used_but_not_detected |
561 | | #define yymore() yymore_used_but_not_detected |
562 | 0 | #define YY_MORE_ADJ 0 |
563 | | #define YY_RESTORE_YY_MORE_OFFSET |
564 | | #line 1 "exprscan.l" |
565 | | #line 2 "exprscan.l" |
566 | | /*------------------------------------------------------------------------- |
567 | | * |
568 | | * exprscan.l |
569 | | * lexical scanner for pgbench backslash commands |
570 | | * |
571 | | * This lexer supports two operating modes: |
572 | | * |
573 | | * In INITIAL state, just parse off whitespace-separated words (this mode |
574 | | * is basically equivalent to strtok(), which is what we used to use). |
575 | | * |
576 | | * In EXPR state, lex for the simple expression syntax of exprparse.y. |
577 | | * |
578 | | * In either mode, stop upon hitting newline or end of string. |
579 | | * |
580 | | * Note that this lexer operates within the framework created by psqlscan.l, |
581 | | * |
582 | | * Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group |
583 | | * Portions Copyright (c) 1994, Regents of the University of California |
584 | | * |
585 | | * src/bin/pgbench/exprscan.l |
586 | | * |
587 | | *------------------------------------------------------------------------- |
588 | | */ |
589 | | |
590 | | #include "fe_utils/psqlscan_int.h" |
591 | | |
592 | | /* context information for reporting errors in expressions */ |
593 | | static const char *expr_source = NULL; |
594 | | static int expr_lineno = 0; |
595 | | static int expr_start_offset = 0; |
596 | | static const char *expr_command = NULL; |
597 | | |
598 | | /* indicates whether last yylex() call read a newline */ |
599 | | static bool last_was_newline = false; |
600 | | |
601 | | /* |
602 | | * Work around a bug in flex 2.5.35: it emits a couple of functions that |
603 | | * it forgets to emit declarations for. Since we use -Wmissing-prototypes, |
604 | | * this would cause warnings. Providing our own declarations should be |
605 | | * harmless even when the bug gets fixed. |
606 | | */ |
607 | | extern int expr_yyget_column(yyscan_t yyscanner); |
608 | | extern void expr_yyset_column(int column_no, yyscan_t yyscanner); |
609 | | |
610 | | /* LCOV_EXCL_START */ |
611 | | |
612 | | #line 612 "exprscan.c" |
613 | | /* Except for the prefix, these options should match psqlscan.l */ |
614 | | #define YY_NO_INPUT 1 |
615 | | /* Character classes */ |
616 | | /* {space} + {nonspace} + {newline} should cover all characters */ |
617 | | /* Line continuation marker */ |
618 | | /* case insensitive keywords */ |
619 | | /* Exclusive states */ |
620 | | |
621 | | #line 621 "exprscan.c" |
622 | | |
623 | 0 | #define INITIAL 0 |
624 | 0 | #define EXPR 1 |
625 | | |
626 | | #ifndef YY_NO_UNISTD_H |
627 | | /* Special case for "unistd.h", since it is non-ANSI. We include it way |
628 | | * down here because we want the user's section 1 to have been scanned first. |
629 | | * The user has a chance to override it with an option. |
630 | | */ |
631 | | #include <unistd.h> |
632 | | #endif |
633 | | |
634 | | #ifndef YY_EXTRA_TYPE |
635 | | #define YY_EXTRA_TYPE void * |
636 | | #endif |
637 | | |
638 | | /* Holds the entire state of the reentrant scanner. */ |
639 | | struct yyguts_t |
640 | | { |
641 | | |
642 | | /* User-defined. Not touched by flex. */ |
643 | | YY_EXTRA_TYPE yyextra_r; |
644 | | |
645 | | /* The rest are the same as the globals declared in the non-reentrant scanner. */ |
646 | | FILE *yyin_r, *yyout_r; |
647 | | size_t yy_buffer_stack_top; /**< index of top of stack. */ |
648 | | size_t yy_buffer_stack_max; /**< capacity of stack. */ |
649 | | YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */ |
650 | | char yy_hold_char; |
651 | | int yy_n_chars; |
652 | | int yyleng_r; |
653 | | char *yy_c_buf_p; |
654 | | int yy_init; |
655 | | int yy_start; |
656 | | int yy_did_buffer_switch_on_eof; |
657 | | int yy_start_stack_ptr; |
658 | | int yy_start_stack_depth; |
659 | | int *yy_start_stack; |
660 | | yy_state_type yy_last_accepting_state; |
661 | | char* yy_last_accepting_cpos; |
662 | | |
663 | | int yylineno_r; |
664 | | int yy_flex_debug_r; |
665 | | |
666 | | char *yytext_r; |
667 | | int yy_more_flag; |
668 | | int yy_more_len; |
669 | | |
670 | | YYSTYPE * yylval_r; |
671 | | |
672 | | }; /* end struct yyguts_t */ |
673 | | |
674 | | static int yy_init_globals ( yyscan_t yyscanner ); |
675 | | |
676 | | /* This must go here because YYSTYPE and YYLTYPE are included |
677 | | * from bison output in section 1.*/ |
678 | 0 | # define yylval yyg->yylval_r |
679 | | |
680 | | int expr_yylex_init (yyscan_t* scanner); |
681 | | |
682 | | int expr_yylex_init_extra ( YY_EXTRA_TYPE user_defined, yyscan_t* scanner); |
683 | | |
684 | | /* Accessor methods to globals. |
685 | | These are made visible to non-reentrant scanners for convenience. */ |
686 | | |
687 | | int expr_yylex_destroy ( yyscan_t yyscanner ); |
688 | | |
689 | | int expr_yyget_debug ( yyscan_t yyscanner ); |
690 | | |
691 | | void expr_yyset_debug ( int debug_flag , yyscan_t yyscanner ); |
692 | | |
693 | | YY_EXTRA_TYPE expr_yyget_extra ( yyscan_t yyscanner ); |
694 | | |
695 | | void expr_yyset_extra ( YY_EXTRA_TYPE user_defined , yyscan_t yyscanner ); |
696 | | |
697 | | FILE *expr_yyget_in ( yyscan_t yyscanner ); |
698 | | |
699 | | void expr_yyset_in ( FILE * _in_str , yyscan_t yyscanner ); |
700 | | |
701 | | FILE *expr_yyget_out ( yyscan_t yyscanner ); |
702 | | |
703 | | void expr_yyset_out ( FILE * _out_str , yyscan_t yyscanner ); |
704 | | |
705 | | int expr_yyget_leng ( yyscan_t yyscanner ); |
706 | | |
707 | | char *expr_yyget_text ( yyscan_t yyscanner ); |
708 | | |
709 | | int expr_yyget_lineno ( yyscan_t yyscanner ); |
710 | | |
711 | | void expr_yyset_lineno ( int _line_number , yyscan_t yyscanner ); |
712 | | |
713 | | int expr_yyget_column ( yyscan_t yyscanner ); |
714 | | |
715 | | void expr_yyset_column ( int _column_no , yyscan_t yyscanner ); |
716 | | |
717 | | YYSTYPE * expr_yyget_lval ( yyscan_t yyscanner ); |
718 | | |
719 | | void expr_yyset_lval ( YYSTYPE * yylval_param , yyscan_t yyscanner ); |
720 | | |
721 | | /* Macros after this point can all be overridden by user definitions in |
722 | | * section 1. |
723 | | */ |
724 | | |
725 | | #ifndef YY_SKIP_YYWRAP |
726 | | #ifdef __cplusplus |
727 | | extern "C" int expr_yywrap ( yyscan_t yyscanner ); |
728 | | #else |
729 | | extern int expr_yywrap ( yyscan_t yyscanner ); |
730 | | #endif |
731 | | #endif |
732 | | |
733 | | #ifndef YY_NO_UNPUT |
734 | | |
735 | | #endif |
736 | | |
737 | | #ifndef yytext_ptr |
738 | | static void yy_flex_strncpy ( char *, const char *, int , yyscan_t yyscanner); |
739 | | #endif |
740 | | |
741 | | #ifdef YY_NEED_STRLEN |
742 | | static int yy_flex_strlen ( const char * , yyscan_t yyscanner); |
743 | | #endif |
744 | | |
745 | | #ifndef YY_NO_INPUT |
746 | | #ifdef __cplusplus |
747 | | static int yyinput ( yyscan_t yyscanner ); |
748 | | #else |
749 | | static int input ( yyscan_t yyscanner ); |
750 | | #endif |
751 | | |
752 | | #endif |
753 | | |
754 | | /* Amount of stuff to slurp up with each read. */ |
755 | | #ifndef YY_READ_BUF_SIZE |
756 | | #ifdef __ia64__ |
757 | | /* On IA-64, the buffer size is 16k, not 8k */ |
758 | | #define YY_READ_BUF_SIZE 16384 |
759 | | #else |
760 | 0 | #define YY_READ_BUF_SIZE 8192 |
761 | | #endif /* __ia64__ */ |
762 | | #endif |
763 | | |
764 | | /* Copy whatever the last rule matched to the standard output. */ |
765 | | #ifndef ECHO |
766 | | /* This used to be an fputs(), but since the string might contain NUL's, |
767 | | * we now use fwrite(). |
768 | | */ |
769 | | #define ECHO do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0) |
770 | | #endif |
771 | | |
772 | | /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, |
773 | | * is returned in "result". |
774 | | */ |
775 | | #ifndef YY_INPUT |
776 | | #define YY_INPUT(buf,result,max_size) \ |
777 | 0 | if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ |
778 | 0 | { \ |
779 | 0 | int c = '*'; \ |
780 | 0 | int n; \ |
781 | 0 | for ( n = 0; n < max_size && \ |
782 | 0 | (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ |
783 | 0 | buf[n] = (char) c; \ |
784 | 0 | if ( c == '\n' ) \ |
785 | 0 | buf[n++] = (char) c; \ |
786 | 0 | if ( c == EOF && ferror( yyin ) ) \ |
787 | 0 | YY_FATAL_ERROR( "input in flex scanner failed" ); \ |
788 | 0 | result = n; \ |
789 | 0 | } \ |
790 | 0 | else \ |
791 | 0 | { \ |
792 | 0 | errno=0; \ |
793 | 0 | while ( (result = (int) fread(buf, 1, (yy_size_t) max_size, yyin)) == 0 && ferror(yyin)) \ |
794 | 0 | { \ |
795 | 0 | if( errno != EINTR) \ |
796 | 0 | { \ |
797 | 0 | YY_FATAL_ERROR( "input in flex scanner failed" ); \ |
798 | 0 | break; \ |
799 | 0 | } \ |
800 | 0 | errno=0; \ |
801 | 0 | clearerr(yyin); \ |
802 | 0 | } \ |
803 | 0 | }\ |
804 | | \ |
805 | | |
806 | | #endif |
807 | | |
808 | | /* No semi-colon after return; correct usage is to write "yyterminate();" - |
809 | | * we don't want an extra ';' after the "return" because that will cause |
810 | | * some compilers to complain about unreachable statements. |
811 | | */ |
812 | | #ifndef yyterminate |
813 | | #define yyterminate() return YY_NULL |
814 | | #endif |
815 | | |
816 | | /* Number of entries by which start-condition stack grows. */ |
817 | | #ifndef YY_START_STACK_INCR |
818 | | #define YY_START_STACK_INCR 25 |
819 | | #endif |
820 | | |
821 | | /* Report a fatal error. */ |
822 | | #ifndef YY_FATAL_ERROR |
823 | 0 | #define YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner) |
824 | | #endif |
825 | | |
826 | | /* end tables serialization structures and prototypes */ |
827 | | |
828 | | /* Default declaration of generated scanner - a define so the user can |
829 | | * easily add parameters. |
830 | | */ |
831 | | #ifndef YY_DECL |
832 | | #define YY_DECL_IS_OURS 1 |
833 | | |
834 | | extern int expr_yylex \ |
835 | | (YYSTYPE * yylval_param , yyscan_t yyscanner); |
836 | | |
837 | | #define YY_DECL int expr_yylex \ |
838 | | (YYSTYPE * yylval_param , yyscan_t yyscanner) |
839 | | #endif /* !YY_DECL */ |
840 | | |
841 | | /* Code executed at the beginning of each rule, after yytext and yyleng |
842 | | * have been set up. |
843 | | */ |
844 | | #ifndef YY_USER_ACTION |
845 | | #define YY_USER_ACTION |
846 | | #endif |
847 | | |
848 | | /* Code executed at the end of each rule. */ |
849 | | #ifndef YY_BREAK |
850 | 0 | #define YY_BREAK /*LINTED*/break; |
851 | | #endif |
852 | | |
853 | | #define YY_RULE_SETUP \ |
854 | | YY_USER_ACTION |
855 | | |
856 | | /** The main scanner function which does all the work. |
857 | | */ |
858 | | YY_DECL |
859 | 0 | { |
860 | 0 | yy_state_type yy_current_state; |
861 | 0 | char *yy_cp, *yy_bp; |
862 | 0 | int yy_act; |
863 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
864 | |
|
865 | 0 | yylval = yylval_param; |
866 | |
|
867 | 0 | if ( !yyg->yy_init ) |
868 | 0 | { |
869 | 0 | yyg->yy_init = 1; |
870 | |
|
871 | | #ifdef YY_USER_INIT |
872 | | YY_USER_INIT; |
873 | | #endif |
874 | |
|
875 | 0 | if ( ! yyg->yy_start ) |
876 | 0 | yyg->yy_start = 1; /* first start state */ |
877 | |
|
878 | 0 | if ( ! yyin ) |
879 | 0 | yyin = stdin; |
880 | |
|
881 | 0 | if ( ! yyout ) |
882 | 0 | yyout = stdout; |
883 | |
|
884 | 0 | if ( ! YY_CURRENT_BUFFER ) { |
885 | 0 | expr_yyensure_buffer_stack (yyscanner); |
886 | 0 | YY_CURRENT_BUFFER_LVALUE = |
887 | 0 | expr_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); |
888 | 0 | } |
889 | |
|
890 | 0 | expr_yy_load_buffer_state(yyscanner ); |
891 | 0 | } |
892 | |
|
893 | 0 | { |
894 | 0 | #line 93 "exprscan.l" |
895 | | |
896 | | |
897 | |
|
898 | 0 | #line 97 "exprscan.l" |
899 | | /* Declare some local variables inside yylex(), for convenience */ |
900 | 0 | PsqlScanState cur_state = yyextra; |
901 | | |
902 | | /* |
903 | | * Force flex into the state indicated by start_state. This has a |
904 | | * couple of purposes: it lets some of the functions below set a new |
905 | | * starting state without ugly direct access to flex variables, and it |
906 | | * allows us to transition from one flex lexer to another so that we |
907 | | * can lex different parts of the source string using separate lexers. |
908 | | */ |
909 | 0 | BEGIN(cur_state->start_state); |
910 | | |
911 | | /* Reset was-newline flag */ |
912 | 0 | last_was_newline = false; |
913 | | |
914 | | |
915 | | /* INITIAL state */ |
916 | |
|
917 | 0 | #line 917 "exprscan.c" |
918 | |
|
919 | 0 | while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */ |
920 | 0 | { |
921 | 0 | yy_cp = yyg->yy_c_buf_p; |
922 | | |
923 | | /* Support of yytext. */ |
924 | 0 | *yy_cp = yyg->yy_hold_char; |
925 | | |
926 | | /* yy_bp points to the position in yy_ch_buf of the start of |
927 | | * the current run. |
928 | | */ |
929 | 0 | yy_bp = yy_cp; |
930 | |
|
931 | 0 | yy_current_state = yyg->yy_start; |
932 | 0 | yy_match: |
933 | 0 | do |
934 | 0 | { |
935 | 0 | YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ; |
936 | 0 | if ( yy_accept[yy_current_state] ) |
937 | 0 | { |
938 | 0 | yyg->yy_last_accepting_state = yy_current_state; |
939 | 0 | yyg->yy_last_accepting_cpos = yy_cp; |
940 | 0 | } |
941 | 0 | while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) |
942 | 0 | { |
943 | 0 | yy_current_state = (int) yy_def[yy_current_state]; |
944 | 0 | if ( yy_current_state >= 110 ) |
945 | 0 | yy_c = yy_meta[yy_c]; |
946 | 0 | } |
947 | 0 | yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; |
948 | 0 | ++yy_cp; |
949 | 0 | } |
950 | 0 | while ( yy_current_state != 109 ); |
951 | 0 | yy_cp = yyg->yy_last_accepting_cpos; |
952 | 0 | yy_current_state = yyg->yy_last_accepting_state; |
953 | |
|
954 | 0 | yy_find_action: |
955 | 0 | yy_act = yy_accept[yy_current_state]; |
956 | |
|
957 | 0 | YY_DO_BEFORE_ACTION; |
958 | |
|
959 | 0 | do_action: /* This label is used only to access EOF actions. */ |
960 | |
|
961 | 0 | switch ( yy_act ) |
962 | 0 | { /* beginning of action switch */ |
963 | 0 | case 0: /* must back up */ |
964 | | /* undo the effects of YY_DO_BEFORE_ACTION */ |
965 | 0 | *yy_cp = yyg->yy_hold_char; |
966 | 0 | yy_cp = yyg->yy_last_accepting_cpos; |
967 | 0 | yy_current_state = yyg->yy_last_accepting_state; |
968 | 0 | goto yy_find_action; |
969 | | |
970 | 0 | case 1: |
971 | 0 | YY_RULE_SETUP |
972 | 0 | #line 115 "exprscan.l" |
973 | 0 | { |
974 | | /* Found a word, emit and return it */ |
975 | 0 | psqlscan_emit(cur_state, yytext, yyleng); |
976 | 0 | return 1; |
977 | 0 | } |
978 | 0 | YY_BREAK |
979 | | /* |
980 | | * We need this rule to avoid returning "word\" instead of recognizing |
981 | | * a continuation marker just after a word: |
982 | | */ |
983 | 0 | case 2: |
984 | | /* rule 2 can match eol */ |
985 | 0 | YY_RULE_SETUP |
986 | 0 | #line 125 "exprscan.l" |
987 | 0 | { |
988 | | /* Found "word\\\r?\n", emit and return just "word" */ |
989 | 0 | int wordlen = yyleng - 2; |
990 | 0 | if (yytext[wordlen] == '\r') |
991 | 0 | wordlen--; |
992 | 0 | Assert(yytext[wordlen] == '\\'); |
993 | 0 | psqlscan_emit(cur_state, yytext, wordlen); |
994 | 0 | return 1; |
995 | 0 | } |
996 | 0 | YY_BREAK |
997 | 0 | case 3: |
998 | 0 | YY_RULE_SETUP |
999 | 0 | #line 135 "exprscan.l" |
1000 | 0 | { /* ignore */ } |
1001 | 0 | YY_BREAK |
1002 | 0 | case 4: |
1003 | | /* rule 4 can match eol */ |
1004 | 0 | YY_RULE_SETUP |
1005 | 0 | #line 137 "exprscan.l" |
1006 | 0 | { /* ignore */ } |
1007 | 0 | YY_BREAK |
1008 | 0 | case 5: |
1009 | | /* rule 5 can match eol */ |
1010 | 0 | YY_RULE_SETUP |
1011 | 0 | #line 139 "exprscan.l" |
1012 | 0 | { |
1013 | | /* report end of command */ |
1014 | 0 | last_was_newline = true; |
1015 | 0 | return 0; |
1016 | 0 | } |
1017 | 0 | YY_BREAK |
1018 | | /* EXPR state */ |
1019 | | |
1020 | 0 | case 6: |
1021 | 0 | YY_RULE_SETUP |
1022 | 0 | #line 149 "exprscan.l" |
1023 | 0 | { return '+'; } |
1024 | 0 | YY_BREAK |
1025 | 0 | case 7: |
1026 | 0 | YY_RULE_SETUP |
1027 | 0 | #line 150 "exprscan.l" |
1028 | 0 | { return '-'; } |
1029 | 0 | YY_BREAK |
1030 | 0 | case 8: |
1031 | 0 | YY_RULE_SETUP |
1032 | 0 | #line 151 "exprscan.l" |
1033 | 0 | { return '*'; } |
1034 | 0 | YY_BREAK |
1035 | 0 | case 9: |
1036 | 0 | YY_RULE_SETUP |
1037 | 0 | #line 152 "exprscan.l" |
1038 | 0 | { return '/'; } |
1039 | 0 | YY_BREAK |
1040 | 0 | case 10: |
1041 | 0 | YY_RULE_SETUP |
1042 | 0 | #line 153 "exprscan.l" |
1043 | 0 | { return '%'; } /* C version, also in Pg SQL */ |
1044 | 0 | YY_BREAK |
1045 | 0 | case 11: |
1046 | 0 | YY_RULE_SETUP |
1047 | 0 | #line 154 "exprscan.l" |
1048 | 0 | { return '='; } |
1049 | 0 | YY_BREAK |
1050 | 0 | case 12: |
1051 | 0 | YY_RULE_SETUP |
1052 | 0 | #line 155 "exprscan.l" |
1053 | 0 | { return NE_OP; } |
1054 | 0 | YY_BREAK |
1055 | 0 | case 13: |
1056 | 0 | YY_RULE_SETUP |
1057 | 0 | #line 156 "exprscan.l" |
1058 | 0 | { return NE_OP; } /* C version, also in Pg SQL */ |
1059 | 0 | YY_BREAK |
1060 | 0 | case 14: |
1061 | 0 | YY_RULE_SETUP |
1062 | 0 | #line 157 "exprscan.l" |
1063 | 0 | { return LE_OP; } |
1064 | 0 | YY_BREAK |
1065 | 0 | case 15: |
1066 | 0 | YY_RULE_SETUP |
1067 | 0 | #line 158 "exprscan.l" |
1068 | 0 | { return GE_OP; } |
1069 | 0 | YY_BREAK |
1070 | 0 | case 16: |
1071 | 0 | YY_RULE_SETUP |
1072 | 0 | #line 159 "exprscan.l" |
1073 | 0 | { return LS_OP; } |
1074 | 0 | YY_BREAK |
1075 | 0 | case 17: |
1076 | 0 | YY_RULE_SETUP |
1077 | 0 | #line 160 "exprscan.l" |
1078 | 0 | { return RS_OP; } |
1079 | 0 | YY_BREAK |
1080 | 0 | case 18: |
1081 | 0 | YY_RULE_SETUP |
1082 | 0 | #line 161 "exprscan.l" |
1083 | 0 | { return '<'; } |
1084 | 0 | YY_BREAK |
1085 | 0 | case 19: |
1086 | 0 | YY_RULE_SETUP |
1087 | 0 | #line 162 "exprscan.l" |
1088 | 0 | { return '>'; } |
1089 | 0 | YY_BREAK |
1090 | 0 | case 20: |
1091 | 0 | YY_RULE_SETUP |
1092 | 0 | #line 163 "exprscan.l" |
1093 | 0 | { return '|'; } |
1094 | 0 | YY_BREAK |
1095 | 0 | case 21: |
1096 | 0 | YY_RULE_SETUP |
1097 | 0 | #line 164 "exprscan.l" |
1098 | 0 | { return '&'; } |
1099 | 0 | YY_BREAK |
1100 | 0 | case 22: |
1101 | 0 | YY_RULE_SETUP |
1102 | 0 | #line 165 "exprscan.l" |
1103 | 0 | { return '#'; } |
1104 | 0 | YY_BREAK |
1105 | 0 | case 23: |
1106 | 0 | YY_RULE_SETUP |
1107 | 0 | #line 166 "exprscan.l" |
1108 | 0 | { return '~'; } |
1109 | 0 | YY_BREAK |
1110 | 0 | case 24: |
1111 | 0 | YY_RULE_SETUP |
1112 | 0 | #line 168 "exprscan.l" |
1113 | 0 | { return '('; } |
1114 | 0 | YY_BREAK |
1115 | 0 | case 25: |
1116 | 0 | YY_RULE_SETUP |
1117 | 0 | #line 169 "exprscan.l" |
1118 | 0 | { return ')'; } |
1119 | 0 | YY_BREAK |
1120 | 0 | case 26: |
1121 | 0 | YY_RULE_SETUP |
1122 | 0 | #line 170 "exprscan.l" |
1123 | 0 | { return ','; } |
1124 | 0 | YY_BREAK |
1125 | 0 | case 27: |
1126 | 0 | YY_RULE_SETUP |
1127 | 0 | #line 172 "exprscan.l" |
1128 | 0 | { return AND_OP; } |
1129 | 0 | YY_BREAK |
1130 | 0 | case 28: |
1131 | 0 | YY_RULE_SETUP |
1132 | 0 | #line 173 "exprscan.l" |
1133 | 0 | { return OR_OP; } |
1134 | 0 | YY_BREAK |
1135 | 0 | case 29: |
1136 | 0 | YY_RULE_SETUP |
1137 | 0 | #line 174 "exprscan.l" |
1138 | 0 | { return NOT_OP; } |
1139 | 0 | YY_BREAK |
1140 | 0 | case 30: |
1141 | 0 | YY_RULE_SETUP |
1142 | 0 | #line 175 "exprscan.l" |
1143 | 0 | { return IS_OP; } |
1144 | 0 | YY_BREAK |
1145 | 0 | case 31: |
1146 | 0 | YY_RULE_SETUP |
1147 | 0 | #line 176 "exprscan.l" |
1148 | 0 | { return ISNULL_OP; } |
1149 | 0 | YY_BREAK |
1150 | 0 | case 32: |
1151 | 0 | YY_RULE_SETUP |
1152 | 0 | #line 177 "exprscan.l" |
1153 | 0 | { return NOTNULL_OP; } |
1154 | 0 | YY_BREAK |
1155 | 0 | case 33: |
1156 | 0 | YY_RULE_SETUP |
1157 | 0 | #line 179 "exprscan.l" |
1158 | 0 | { return CASE_KW; } |
1159 | 0 | YY_BREAK |
1160 | 0 | case 34: |
1161 | 0 | YY_RULE_SETUP |
1162 | 0 | #line 180 "exprscan.l" |
1163 | 0 | { return WHEN_KW; } |
1164 | 0 | YY_BREAK |
1165 | 0 | case 35: |
1166 | 0 | YY_RULE_SETUP |
1167 | 0 | #line 181 "exprscan.l" |
1168 | 0 | { return THEN_KW; } |
1169 | 0 | YY_BREAK |
1170 | 0 | case 36: |
1171 | 0 | YY_RULE_SETUP |
1172 | 0 | #line 182 "exprscan.l" |
1173 | 0 | { return ELSE_KW; } |
1174 | 0 | YY_BREAK |
1175 | 0 | case 37: |
1176 | 0 | YY_RULE_SETUP |
1177 | 0 | #line 183 "exprscan.l" |
1178 | 0 | { return END_KW; } |
1179 | 0 | YY_BREAK |
1180 | 0 | case 38: |
1181 | 0 | YY_RULE_SETUP |
1182 | 0 | #line 185 "exprscan.l" |
1183 | 0 | { |
1184 | 0 | yylval->str = pg_strdup(yytext + 1); |
1185 | 0 | return VARIABLE; |
1186 | 0 | } |
1187 | 0 | YY_BREAK |
1188 | 0 | case 39: |
1189 | 0 | YY_RULE_SETUP |
1190 | 0 | #line 190 "exprscan.l" |
1191 | 0 | { return NULL_CONST; } |
1192 | 0 | YY_BREAK |
1193 | 0 | case 40: |
1194 | 0 | YY_RULE_SETUP |
1195 | 0 | #line 191 "exprscan.l" |
1196 | 0 | { |
1197 | 0 | yylval->bval = true; |
1198 | 0 | return BOOLEAN_CONST; |
1199 | 0 | } |
1200 | 0 | YY_BREAK |
1201 | 0 | case 41: |
1202 | 0 | YY_RULE_SETUP |
1203 | 0 | #line 195 "exprscan.l" |
1204 | 0 | { |
1205 | 0 | yylval->bval = false; |
1206 | 0 | return BOOLEAN_CONST; |
1207 | 0 | } |
1208 | 0 | YY_BREAK |
1209 | 0 | case 42: |
1210 | 0 | YY_RULE_SETUP |
1211 | 0 | #line 199 "exprscan.l" |
1212 | 0 | { |
1213 | 0 | yylval->ival = strtoint64(yytext); |
1214 | 0 | return INTEGER_CONST; |
1215 | 0 | } |
1216 | 0 | YY_BREAK |
1217 | 0 | case 43: |
1218 | 0 | YY_RULE_SETUP |
1219 | 0 | #line 203 "exprscan.l" |
1220 | 0 | { |
1221 | 0 | yylval->dval = atof(yytext); |
1222 | 0 | return DOUBLE_CONST; |
1223 | 0 | } |
1224 | 0 | YY_BREAK |
1225 | 0 | case 44: |
1226 | 0 | YY_RULE_SETUP |
1227 | 0 | #line 207 "exprscan.l" |
1228 | 0 | { |
1229 | 0 | yylval->dval = atof(yytext); |
1230 | 0 | return DOUBLE_CONST; |
1231 | 0 | } |
1232 | 0 | YY_BREAK |
1233 | 0 | case 45: |
1234 | 0 | YY_RULE_SETUP |
1235 | 0 | #line 211 "exprscan.l" |
1236 | 0 | { |
1237 | 0 | yylval->str = pg_strdup(yytext); |
1238 | 0 | return FUNCTION; |
1239 | 0 | } |
1240 | 0 | YY_BREAK |
1241 | 0 | case 46: |
1242 | 0 | YY_RULE_SETUP |
1243 | 0 | #line 216 "exprscan.l" |
1244 | 0 | { /* ignore */ } |
1245 | 0 | YY_BREAK |
1246 | 0 | case 47: |
1247 | | /* rule 47 can match eol */ |
1248 | 0 | YY_RULE_SETUP |
1249 | 0 | #line 218 "exprscan.l" |
1250 | 0 | { /* ignore */ } |
1251 | 0 | YY_BREAK |
1252 | 0 | case 48: |
1253 | | /* rule 48 can match eol */ |
1254 | 0 | YY_RULE_SETUP |
1255 | 0 | #line 220 "exprscan.l" |
1256 | 0 | { |
1257 | | /* report end of command */ |
1258 | 0 | last_was_newline = true; |
1259 | 0 | return 0; |
1260 | 0 | } |
1261 | 0 | YY_BREAK |
1262 | 0 | case 49: |
1263 | 0 | YY_RULE_SETUP |
1264 | 0 | #line 226 "exprscan.l" |
1265 | 0 | { |
1266 | | /* |
1267 | | * must strdup yytext so that expr_yyerror_more doesn't |
1268 | | * change it while finding end of line |
1269 | | */ |
1270 | 0 | expr_yyerror_more(yyscanner, "unexpected character", |
1271 | 0 | pg_strdup(yytext)); |
1272 | | /* NOTREACHED, syntax_error calls exit() */ |
1273 | 0 | return 0; |
1274 | 0 | } |
1275 | 0 | YY_BREAK |
1276 | | |
1277 | 0 | case YY_STATE_EOF(INITIAL): |
1278 | 0 | case YY_STATE_EOF(EXPR): |
1279 | 0 | #line 239 "exprscan.l" |
1280 | 0 | { |
1281 | 0 | if (cur_state->buffer_stack == NULL) |
1282 | 0 | return 0; /* end of input reached */ |
1283 | | |
1284 | | /* |
1285 | | * We were expanding a variable, so pop the inclusion |
1286 | | * stack and keep lexing |
1287 | | */ |
1288 | 0 | psqlscan_pop_buffer_stack(cur_state); |
1289 | 0 | psqlscan_select_top_buffer(cur_state); |
1290 | 0 | } |
1291 | 0 | YY_BREAK |
1292 | 0 | case 50: |
1293 | 0 | YY_RULE_SETUP |
1294 | 0 | #line 251 "exprscan.l" |
1295 | 0 | YY_FATAL_ERROR( "flex scanner jammed" ); |
1296 | 0 | YY_BREAK |
1297 | 0 | #line 1297 "exprscan.c" |
1298 | |
|
1299 | 0 | case YY_END_OF_BUFFER: |
1300 | 0 | { |
1301 | | /* Amount of text matched not including the EOB char. */ |
1302 | 0 | int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1; |
1303 | | |
1304 | | /* Undo the effects of YY_DO_BEFORE_ACTION. */ |
1305 | 0 | *yy_cp = yyg->yy_hold_char; |
1306 | 0 | YY_RESTORE_YY_MORE_OFFSET |
1307 | |
|
1308 | 0 | if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) |
1309 | 0 | { |
1310 | | /* We're scanning a new file or input source. It's |
1311 | | * possible that this happened because the user |
1312 | | * just pointed yyin at a new source and called |
1313 | | * expr_yylex(). If so, then we have to assure |
1314 | | * consistency between YY_CURRENT_BUFFER and our |
1315 | | * globals. Here is the right place to do so, because |
1316 | | * this is the first action (other than possibly a |
1317 | | * back-up) that will match for the new input source. |
1318 | | */ |
1319 | 0 | yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; |
1320 | 0 | YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; |
1321 | 0 | YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; |
1322 | 0 | } |
1323 | | |
1324 | | /* Note that here we test for yy_c_buf_p "<=" to the position |
1325 | | * of the first EOB in the buffer, since yy_c_buf_p will |
1326 | | * already have been incremented past the NUL character |
1327 | | * (since all states make transitions on EOB to the |
1328 | | * end-of-buffer state). Contrast this with the test |
1329 | | * in input(). |
1330 | | */ |
1331 | 0 | if ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) |
1332 | 0 | { /* This was really a NUL. */ |
1333 | 0 | yy_state_type yy_next_state; |
1334 | |
|
1335 | 0 | yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text; |
1336 | |
|
1337 | 0 | yy_current_state = yy_get_previous_state( yyscanner ); |
1338 | | |
1339 | | /* Okay, we're now positioned to make the NUL |
1340 | | * transition. We couldn't have |
1341 | | * yy_get_previous_state() go ahead and do it |
1342 | | * for us because it doesn't know how to deal |
1343 | | * with the possibility of jamming (and we don't |
1344 | | * want to build jamming into it because then it |
1345 | | * will run more slowly). |
1346 | | */ |
1347 | |
|
1348 | 0 | yy_next_state = yy_try_NUL_trans( yy_current_state , yyscanner); |
1349 | |
|
1350 | 0 | yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; |
1351 | |
|
1352 | 0 | if ( yy_next_state ) |
1353 | 0 | { |
1354 | | /* Consume the NUL. */ |
1355 | 0 | yy_cp = ++yyg->yy_c_buf_p; |
1356 | 0 | yy_current_state = yy_next_state; |
1357 | 0 | goto yy_match; |
1358 | 0 | } |
1359 | | |
1360 | 0 | else |
1361 | 0 | { |
1362 | 0 | yy_cp = yyg->yy_last_accepting_cpos; |
1363 | 0 | yy_current_state = yyg->yy_last_accepting_state; |
1364 | 0 | goto yy_find_action; |
1365 | 0 | } |
1366 | 0 | } |
1367 | | |
1368 | 0 | else switch ( yy_get_next_buffer( yyscanner ) ) |
1369 | 0 | { |
1370 | 0 | case EOB_ACT_END_OF_FILE: |
1371 | 0 | { |
1372 | 0 | yyg->yy_did_buffer_switch_on_eof = 0; |
1373 | |
|
1374 | 0 | if ( expr_yywrap(yyscanner ) ) |
1375 | 0 | { |
1376 | | /* Note: because we've taken care in |
1377 | | * yy_get_next_buffer() to have set up |
1378 | | * yytext, we can now set up |
1379 | | * yy_c_buf_p so that if some total |
1380 | | * hoser (like flex itself) wants to |
1381 | | * call the scanner after we return the |
1382 | | * YY_NULL, it'll still work - another |
1383 | | * YY_NULL will get returned. |
1384 | | */ |
1385 | 0 | yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ; |
1386 | |
|
1387 | 0 | yy_act = YY_STATE_EOF(YY_START); |
1388 | 0 | goto do_action; |
1389 | 0 | } |
1390 | | |
1391 | 0 | else |
1392 | 0 | { |
1393 | 0 | if ( ! yyg->yy_did_buffer_switch_on_eof ) |
1394 | 0 | YY_NEW_FILE; |
1395 | 0 | } |
1396 | 0 | break; |
1397 | 0 | } |
1398 | |
|
1399 | 0 | case EOB_ACT_CONTINUE_SCAN: |
1400 | 0 | yyg->yy_c_buf_p = |
1401 | 0 | yyg->yytext_ptr + yy_amount_of_matched_text; |
1402 | |
|
1403 | 0 | yy_current_state = yy_get_previous_state( yyscanner ); |
1404 | |
|
1405 | 0 | yy_cp = yyg->yy_c_buf_p; |
1406 | 0 | yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; |
1407 | 0 | goto yy_match; |
1408 | |
|
1409 | 0 | case EOB_ACT_LAST_MATCH: |
1410 | 0 | yyg->yy_c_buf_p = |
1411 | 0 | &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars]; |
1412 | |
|
1413 | 0 | yy_current_state = yy_get_previous_state( yyscanner ); |
1414 | |
|
1415 | 0 | yy_cp = yyg->yy_c_buf_p; |
1416 | 0 | yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; |
1417 | 0 | goto yy_find_action; |
1418 | 0 | } |
1419 | 0 | break; |
1420 | 0 | } |
1421 | |
|
1422 | 0 | default: |
1423 | 0 | YY_FATAL_ERROR( |
1424 | 0 | "fatal flex scanner internal error--no action found" ); |
1425 | 0 | } /* end of action switch */ |
1426 | 0 | } /* end of scanning one token */ |
1427 | 0 | } /* end of user's declarations */ |
1428 | 0 | } /* end of expr_yylex */ |
1429 | | |
1430 | | /* yy_get_next_buffer - try to read in a new buffer |
1431 | | * |
1432 | | * Returns a code representing an action: |
1433 | | * EOB_ACT_LAST_MATCH - |
1434 | | * EOB_ACT_CONTINUE_SCAN - continue scanning from current position |
1435 | | * EOB_ACT_END_OF_FILE - end of file |
1436 | | */ |
1437 | | static int yy_get_next_buffer (yyscan_t yyscanner) |
1438 | 0 | { |
1439 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
1440 | 0 | char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; |
1441 | 0 | char *source = yyg->yytext_ptr; |
1442 | 0 | int number_to_move, i; |
1443 | 0 | int ret_val; |
1444 | |
|
1445 | 0 | if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] ) |
1446 | 0 | YY_FATAL_ERROR( |
1447 | 0 | "fatal flex scanner internal error--end of buffer missed" ); |
1448 | |
|
1449 | 0 | if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) |
1450 | 0 | { /* Don't try to fill the buffer, so this is an EOF. */ |
1451 | 0 | if ( yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1 ) |
1452 | 0 | { |
1453 | | /* We matched a single character, the EOB, so |
1454 | | * treat this as a final EOF. |
1455 | | */ |
1456 | 0 | return EOB_ACT_END_OF_FILE; |
1457 | 0 | } |
1458 | | |
1459 | 0 | else |
1460 | 0 | { |
1461 | | /* We matched some text prior to the EOB, first |
1462 | | * process it. |
1463 | | */ |
1464 | 0 | return EOB_ACT_LAST_MATCH; |
1465 | 0 | } |
1466 | 0 | } |
1467 | | |
1468 | | /* Try to read more data. */ |
1469 | | |
1470 | | /* First move last chars to start of buffer. */ |
1471 | 0 | number_to_move = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr - 1); |
1472 | |
|
1473 | 0 | for ( i = 0; i < number_to_move; ++i ) |
1474 | 0 | *(dest++) = *(source++); |
1475 | |
|
1476 | 0 | if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) |
1477 | | /* don't do the read, it's not guaranteed to return an EOF, |
1478 | | * just force an EOF |
1479 | | */ |
1480 | 0 | YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0; |
1481 | | |
1482 | 0 | else |
1483 | 0 | { |
1484 | 0 | int num_to_read = |
1485 | 0 | YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; |
1486 | |
|
1487 | 0 | while ( num_to_read <= 0 ) |
1488 | 0 | { /* Not enough room in the buffer - grow it. */ |
1489 | | |
1490 | | /* just a shorter name for the current buffer */ |
1491 | 0 | YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE; |
1492 | |
|
1493 | 0 | int yy_c_buf_p_offset = |
1494 | 0 | (int) (yyg->yy_c_buf_p - b->yy_ch_buf); |
1495 | |
|
1496 | 0 | if ( b->yy_is_our_buffer ) |
1497 | 0 | { |
1498 | 0 | int new_size = b->yy_buf_size * 2; |
1499 | |
|
1500 | 0 | if ( new_size <= 0 ) |
1501 | 0 | b->yy_buf_size += b->yy_buf_size / 8; |
1502 | 0 | else |
1503 | 0 | b->yy_buf_size *= 2; |
1504 | |
|
1505 | 0 | b->yy_ch_buf = (char *) |
1506 | | /* Include room in for 2 EOB chars. */ |
1507 | 0 | expr_yyrealloc((void *) b->yy_ch_buf,(yy_size_t) (b->yy_buf_size + 2) ,yyscanner ); |
1508 | 0 | } |
1509 | 0 | else |
1510 | | /* Can't grow it, we don't own it. */ |
1511 | 0 | b->yy_ch_buf = NULL; |
1512 | |
|
1513 | 0 | if ( ! b->yy_ch_buf ) |
1514 | 0 | YY_FATAL_ERROR( |
1515 | 0 | "fatal error - scanner input buffer overflow" ); |
1516 | |
|
1517 | 0 | yyg->yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset]; |
1518 | |
|
1519 | 0 | num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - |
1520 | 0 | number_to_move - 1; |
1521 | |
|
1522 | 0 | } |
1523 | |
|
1524 | 0 | if ( num_to_read > YY_READ_BUF_SIZE ) |
1525 | 0 | num_to_read = YY_READ_BUF_SIZE; |
1526 | | |
1527 | | /* Read in more data. */ |
1528 | 0 | YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), |
1529 | 0 | yyg->yy_n_chars, num_to_read ); |
1530 | |
|
1531 | 0 | YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; |
1532 | 0 | } |
1533 | |
|
1534 | 0 | if ( yyg->yy_n_chars == 0 ) |
1535 | 0 | { |
1536 | 0 | if ( number_to_move == YY_MORE_ADJ ) |
1537 | 0 | { |
1538 | 0 | ret_val = EOB_ACT_END_OF_FILE; |
1539 | 0 | expr_yyrestart(yyin ,yyscanner); |
1540 | 0 | } |
1541 | | |
1542 | 0 | else |
1543 | 0 | { |
1544 | 0 | ret_val = EOB_ACT_LAST_MATCH; |
1545 | 0 | YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = |
1546 | 0 | YY_BUFFER_EOF_PENDING; |
1547 | 0 | } |
1548 | 0 | } |
1549 | | |
1550 | 0 | else |
1551 | 0 | ret_val = EOB_ACT_CONTINUE_SCAN; |
1552 | |
|
1553 | 0 | if ((yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { |
1554 | | /* Extend the array by 50%, plus the number we really need. */ |
1555 | 0 | int new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1); |
1556 | 0 | YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) expr_yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,(yy_size_t) new_size ,yyscanner ); |
1557 | 0 | if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) |
1558 | 0 | YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); |
1559 | 0 | } |
1560 | |
|
1561 | 0 | yyg->yy_n_chars += number_to_move; |
1562 | 0 | YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR; |
1563 | 0 | YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; |
1564 | |
|
1565 | 0 | yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; |
1566 | |
|
1567 | 0 | return ret_val; |
1568 | 0 | } |
1569 | | |
1570 | | /* yy_get_previous_state - get the state just before the EOB char was reached */ |
1571 | | |
1572 | | static yy_state_type yy_get_previous_state (yyscan_t yyscanner) |
1573 | 0 | { |
1574 | 0 | yy_state_type yy_current_state; |
1575 | 0 | char *yy_cp; |
1576 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
1577 | |
|
1578 | 0 | yy_current_state = yyg->yy_start; |
1579 | |
|
1580 | 0 | for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p; ++yy_cp ) |
1581 | 0 | { |
1582 | 0 | YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); |
1583 | 0 | if ( yy_accept[yy_current_state] ) |
1584 | 0 | { |
1585 | 0 | yyg->yy_last_accepting_state = yy_current_state; |
1586 | 0 | yyg->yy_last_accepting_cpos = yy_cp; |
1587 | 0 | } |
1588 | 0 | while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) |
1589 | 0 | { |
1590 | 0 | yy_current_state = (int) yy_def[yy_current_state]; |
1591 | 0 | if ( yy_current_state >= 110 ) |
1592 | 0 | yy_c = yy_meta[yy_c]; |
1593 | 0 | } |
1594 | 0 | yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; |
1595 | 0 | } |
1596 | |
|
1597 | 0 | return yy_current_state; |
1598 | 0 | } |
1599 | | |
1600 | | /* yy_try_NUL_trans - try to make a transition on the NUL character |
1601 | | * |
1602 | | * synopsis |
1603 | | * next_state = yy_try_NUL_trans( current_state ); |
1604 | | */ |
1605 | | static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner) |
1606 | 0 | { |
1607 | 0 | int yy_is_jam; |
1608 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */ |
1609 | 0 | char *yy_cp = yyg->yy_c_buf_p; |
1610 | |
|
1611 | 0 | YY_CHAR yy_c = 1; |
1612 | 0 | if ( yy_accept[yy_current_state] ) |
1613 | 0 | { |
1614 | 0 | yyg->yy_last_accepting_state = yy_current_state; |
1615 | 0 | yyg->yy_last_accepting_cpos = yy_cp; |
1616 | 0 | } |
1617 | 0 | while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) |
1618 | 0 | { |
1619 | 0 | yy_current_state = (int) yy_def[yy_current_state]; |
1620 | 0 | if ( yy_current_state >= 110 ) |
1621 | 0 | yy_c = yy_meta[yy_c]; |
1622 | 0 | } |
1623 | 0 | yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; |
1624 | 0 | yy_is_jam = (yy_current_state == 109); |
1625 | |
|
1626 | 0 | (void)yyg; |
1627 | 0 | return yy_is_jam ? 0 : yy_current_state; |
1628 | 0 | } |
1629 | | |
1630 | | #ifndef YY_NO_UNPUT |
1631 | | |
1632 | | #endif |
1633 | | |
1634 | | #ifndef YY_NO_INPUT |
1635 | | #ifdef __cplusplus |
1636 | | static int yyinput (yyscan_t yyscanner) |
1637 | | #else |
1638 | | static int input (yyscan_t yyscanner) |
1639 | | #endif |
1640 | | |
1641 | | { |
1642 | | int c; |
1643 | | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
1644 | | |
1645 | | *yyg->yy_c_buf_p = yyg->yy_hold_char; |
1646 | | |
1647 | | if ( *yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) |
1648 | | { |
1649 | | /* yy_c_buf_p now points to the character we want to return. |
1650 | | * If this occurs *before* the EOB characters, then it's a |
1651 | | * valid NUL; if not, then we've hit the end of the buffer. |
1652 | | */ |
1653 | | if ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) |
1654 | | /* This was really a NUL. */ |
1655 | | *yyg->yy_c_buf_p = '\0'; |
1656 | | |
1657 | | else |
1658 | | { /* need more input */ |
1659 | | int offset = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr); |
1660 | | ++yyg->yy_c_buf_p; |
1661 | | |
1662 | | switch ( yy_get_next_buffer( yyscanner ) ) |
1663 | | { |
1664 | | case EOB_ACT_LAST_MATCH: |
1665 | | /* This happens because yy_g_n_b() |
1666 | | * sees that we've accumulated a |
1667 | | * token and flags that we need to |
1668 | | * try matching the token before |
1669 | | * proceeding. But for input(), |
1670 | | * there's no matching to consider. |
1671 | | * So convert the EOB_ACT_LAST_MATCH |
1672 | | * to EOB_ACT_END_OF_FILE. |
1673 | | */ |
1674 | | |
1675 | | /* Reset buffer status. */ |
1676 | | expr_yyrestart(yyin ,yyscanner); |
1677 | | |
1678 | | /*FALLTHROUGH*/ |
1679 | | |
1680 | | case EOB_ACT_END_OF_FILE: |
1681 | | { |
1682 | | if ( expr_yywrap(yyscanner ) ) |
1683 | | return 0; |
1684 | | |
1685 | | if ( ! yyg->yy_did_buffer_switch_on_eof ) |
1686 | | YY_NEW_FILE; |
1687 | | #ifdef __cplusplus |
1688 | | return yyinput(yyscanner); |
1689 | | #else |
1690 | | return input(yyscanner); |
1691 | | #endif |
1692 | | } |
1693 | | |
1694 | | case EOB_ACT_CONTINUE_SCAN: |
1695 | | yyg->yy_c_buf_p = yyg->yytext_ptr + offset; |
1696 | | break; |
1697 | | } |
1698 | | } |
1699 | | } |
1700 | | |
1701 | | c = *(unsigned char *) yyg->yy_c_buf_p; /* cast for 8-bit char's */ |
1702 | | *yyg->yy_c_buf_p = '\0'; /* preserve yytext */ |
1703 | | yyg->yy_hold_char = *++yyg->yy_c_buf_p; |
1704 | | |
1705 | | return c; |
1706 | | } |
1707 | | #endif /* ifndef YY_NO_INPUT */ |
1708 | | |
1709 | | /** Immediately switch to a different input stream. |
1710 | | * @param input_file A readable stream. |
1711 | | * @param yyscanner The scanner object. |
1712 | | * @note This function does not reset the start condition to @c INITIAL . |
1713 | | */ |
1714 | | void expr_yyrestart (FILE * input_file , yyscan_t yyscanner) |
1715 | 0 | { |
1716 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
1717 | |
|
1718 | 0 | if ( ! YY_CURRENT_BUFFER ){ |
1719 | 0 | expr_yyensure_buffer_stack (yyscanner); |
1720 | 0 | YY_CURRENT_BUFFER_LVALUE = |
1721 | 0 | expr_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); |
1722 | 0 | } |
1723 | |
|
1724 | 0 | expr_yy_init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner); |
1725 | 0 | expr_yy_load_buffer_state(yyscanner ); |
1726 | 0 | } |
1727 | | |
1728 | | /** Switch to a different input buffer. |
1729 | | * @param new_buffer The new input buffer. |
1730 | | * @param yyscanner The scanner object. |
1731 | | */ |
1732 | | void expr_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) |
1733 | 0 | { |
1734 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
1735 | | |
1736 | | /* TODO. We should be able to replace this entire function body |
1737 | | * with |
1738 | | * expr_yypop_buffer_state(); |
1739 | | * expr_yypush_buffer_state(new_buffer); |
1740 | | */ |
1741 | 0 | expr_yyensure_buffer_stack (yyscanner); |
1742 | 0 | if ( YY_CURRENT_BUFFER == new_buffer ) |
1743 | 0 | return; |
1744 | | |
1745 | 0 | if ( YY_CURRENT_BUFFER ) |
1746 | 0 | { |
1747 | | /* Flush out information for old buffer. */ |
1748 | 0 | *yyg->yy_c_buf_p = yyg->yy_hold_char; |
1749 | 0 | YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; |
1750 | 0 | YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; |
1751 | 0 | } |
1752 | |
|
1753 | 0 | YY_CURRENT_BUFFER_LVALUE = new_buffer; |
1754 | 0 | expr_yy_load_buffer_state(yyscanner ); |
1755 | | |
1756 | | /* We don't actually know whether we did this switch during |
1757 | | * EOF (expr_yywrap()) processing, but the only time this flag |
1758 | | * is looked at is after expr_yywrap() is called, so it's safe |
1759 | | * to go ahead and always set it. |
1760 | | */ |
1761 | 0 | yyg->yy_did_buffer_switch_on_eof = 1; |
1762 | 0 | } |
1763 | | |
1764 | | static void expr_yy_load_buffer_state (yyscan_t yyscanner) |
1765 | 0 | { |
1766 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
1767 | 0 | yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; |
1768 | 0 | yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; |
1769 | 0 | yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; |
1770 | 0 | yyg->yy_hold_char = *yyg->yy_c_buf_p; |
1771 | 0 | } |
1772 | | |
1773 | | /** Allocate and initialize an input buffer state. |
1774 | | * @param file A readable stream. |
1775 | | * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. |
1776 | | * @param yyscanner The scanner object. |
1777 | | * @return the allocated buffer state. |
1778 | | */ |
1779 | | YY_BUFFER_STATE expr_yy_create_buffer (FILE * file, int size , yyscan_t yyscanner) |
1780 | 0 | { |
1781 | 0 | YY_BUFFER_STATE b; |
1782 | | |
1783 | 0 | b = (YY_BUFFER_STATE) expr_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner ); |
1784 | 0 | if ( ! b ) |
1785 | 0 | YY_FATAL_ERROR( "out of dynamic memory in expr_yy_create_buffer()" ); |
1786 | |
|
1787 | 0 | b->yy_buf_size = size; |
1788 | | |
1789 | | /* yy_ch_buf has to be 2 characters longer than the size given because |
1790 | | * we need to put in 2 end-of-buffer characters. |
1791 | | */ |
1792 | 0 | b->yy_ch_buf = (char *) expr_yyalloc((yy_size_t) (b->yy_buf_size + 2) ,yyscanner ); |
1793 | 0 | if ( ! b->yy_ch_buf ) |
1794 | 0 | YY_FATAL_ERROR( "out of dynamic memory in expr_yy_create_buffer()" ); |
1795 | |
|
1796 | 0 | b->yy_is_our_buffer = 1; |
1797 | |
|
1798 | 0 | expr_yy_init_buffer(b,file ,yyscanner); |
1799 | |
|
1800 | 0 | return b; |
1801 | 0 | } |
1802 | | |
1803 | | /** Destroy the buffer. |
1804 | | * @param b a buffer created with expr_yy_create_buffer() |
1805 | | * @param yyscanner The scanner object. |
1806 | | */ |
1807 | | void expr_yy_delete_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) |
1808 | 0 | { |
1809 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
1810 | |
|
1811 | 0 | if ( ! b ) |
1812 | 0 | return; |
1813 | | |
1814 | 0 | if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ |
1815 | 0 | YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; |
1816 | |
|
1817 | 0 | if ( b->yy_is_our_buffer ) |
1818 | 0 | expr_yyfree((void *) b->yy_ch_buf ,yyscanner ); |
1819 | |
|
1820 | 0 | expr_yyfree((void *) b ,yyscanner ); |
1821 | 0 | } |
1822 | | |
1823 | | /* Initializes or reinitializes a buffer. |
1824 | | * This function is sometimes called more than once on the same buffer, |
1825 | | * such as during a expr_yyrestart() or at EOF. |
1826 | | */ |
1827 | | static void expr_yy_init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner) |
1828 | | |
1829 | 0 | { |
1830 | 0 | int oerrno = errno; |
1831 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
1832 | |
|
1833 | 0 | expr_yy_flush_buffer(b ,yyscanner); |
1834 | |
|
1835 | 0 | b->yy_input_file = file; |
1836 | 0 | b->yy_fill_buffer = 1; |
1837 | | |
1838 | | /* If b is the current buffer, then expr_yy_init_buffer was _probably_ |
1839 | | * called from expr_yyrestart() or through yy_get_next_buffer. |
1840 | | * In that case, we don't want to reset the lineno or column. |
1841 | | */ |
1842 | 0 | if (b != YY_CURRENT_BUFFER){ |
1843 | 0 | b->yy_bs_lineno = 1; |
1844 | 0 | b->yy_bs_column = 0; |
1845 | 0 | } |
1846 | |
|
1847 | 0 | b->yy_is_interactive = 0; |
1848 | | |
1849 | 0 | errno = oerrno; |
1850 | 0 | } |
1851 | | |
1852 | | /** Discard all buffered characters. On the next scan, YY_INPUT will be called. |
1853 | | * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. |
1854 | | * @param yyscanner The scanner object. |
1855 | | */ |
1856 | | void expr_yy_flush_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) |
1857 | 0 | { |
1858 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
1859 | 0 | if ( ! b ) |
1860 | 0 | return; |
1861 | | |
1862 | 0 | b->yy_n_chars = 0; |
1863 | | |
1864 | | /* We always need two end-of-buffer characters. The first causes |
1865 | | * a transition to the end-of-buffer state. The second causes |
1866 | | * a jam in that state. |
1867 | | */ |
1868 | 0 | b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; |
1869 | 0 | b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; |
1870 | |
|
1871 | 0 | b->yy_buf_pos = &b->yy_ch_buf[0]; |
1872 | |
|
1873 | 0 | b->yy_at_bol = 1; |
1874 | 0 | b->yy_buffer_status = YY_BUFFER_NEW; |
1875 | |
|
1876 | 0 | if ( b == YY_CURRENT_BUFFER ) |
1877 | 0 | expr_yy_load_buffer_state(yyscanner ); |
1878 | 0 | } |
1879 | | |
1880 | | /** Pushes the new state onto the stack. The new state becomes |
1881 | | * the current state. This function will allocate the stack |
1882 | | * if necessary. |
1883 | | * @param new_buffer The new state. |
1884 | | * @param yyscanner The scanner object. |
1885 | | */ |
1886 | | void expr_yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) |
1887 | 0 | { |
1888 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
1889 | 0 | if (new_buffer == NULL) |
1890 | 0 | return; |
1891 | | |
1892 | 0 | expr_yyensure_buffer_stack(yyscanner); |
1893 | | |
1894 | | /* This block is copied from expr_yy_switch_to_buffer. */ |
1895 | 0 | if ( YY_CURRENT_BUFFER ) |
1896 | 0 | { |
1897 | | /* Flush out information for old buffer. */ |
1898 | 0 | *yyg->yy_c_buf_p = yyg->yy_hold_char; |
1899 | 0 | YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; |
1900 | 0 | YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; |
1901 | 0 | } |
1902 | | |
1903 | | /* Only push if top exists. Otherwise, replace top. */ |
1904 | 0 | if (YY_CURRENT_BUFFER) |
1905 | 0 | yyg->yy_buffer_stack_top++; |
1906 | 0 | YY_CURRENT_BUFFER_LVALUE = new_buffer; |
1907 | | |
1908 | | /* copied from expr_yy_switch_to_buffer. */ |
1909 | 0 | expr_yy_load_buffer_state(yyscanner ); |
1910 | 0 | yyg->yy_did_buffer_switch_on_eof = 1; |
1911 | 0 | } |
1912 | | |
1913 | | /** Removes and deletes the top of the stack, if present. |
1914 | | * The next element becomes the new top. |
1915 | | * @param yyscanner The scanner object. |
1916 | | */ |
1917 | | void expr_yypop_buffer_state (yyscan_t yyscanner) |
1918 | 0 | { |
1919 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
1920 | 0 | if (!YY_CURRENT_BUFFER) |
1921 | 0 | return; |
1922 | | |
1923 | 0 | expr_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner); |
1924 | 0 | YY_CURRENT_BUFFER_LVALUE = NULL; |
1925 | 0 | if (yyg->yy_buffer_stack_top > 0) |
1926 | 0 | --yyg->yy_buffer_stack_top; |
1927 | |
|
1928 | 0 | if (YY_CURRENT_BUFFER) { |
1929 | 0 | expr_yy_load_buffer_state(yyscanner ); |
1930 | 0 | yyg->yy_did_buffer_switch_on_eof = 1; |
1931 | 0 | } |
1932 | 0 | } |
1933 | | |
1934 | | /* Allocates the stack if it does not exist. |
1935 | | * Guarantees space for at least one push. |
1936 | | */ |
1937 | | static void expr_yyensure_buffer_stack (yyscan_t yyscanner) |
1938 | 0 | { |
1939 | 0 | yy_size_t num_to_alloc; |
1940 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
1941 | |
|
1942 | 0 | if (!yyg->yy_buffer_stack) { |
1943 | | |
1944 | | /* First allocation is just for 2 elements, since we don't know if this |
1945 | | * scanner will even need a stack. We use 2 instead of 1 to avoid an |
1946 | | * immediate realloc on the next call. |
1947 | | */ |
1948 | 0 | num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */ |
1949 | 0 | yyg->yy_buffer_stack = (struct yy_buffer_state**)expr_yyalloc |
1950 | 0 | (num_to_alloc * sizeof(struct yy_buffer_state*) |
1951 | 0 | , yyscanner); |
1952 | 0 | if ( ! yyg->yy_buffer_stack ) |
1953 | 0 | YY_FATAL_ERROR( "out of dynamic memory in expr_yyensure_buffer_stack()" ); |
1954 | |
|
1955 | 0 | memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*)); |
1956 | |
|
1957 | 0 | yyg->yy_buffer_stack_max = num_to_alloc; |
1958 | 0 | yyg->yy_buffer_stack_top = 0; |
1959 | 0 | return; |
1960 | 0 | } |
1961 | | |
1962 | 0 | if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){ |
1963 | | |
1964 | | /* Increase the buffer to prepare for a possible push. */ |
1965 | 0 | yy_size_t grow_size = 8 /* arbitrary grow size */; |
1966 | |
|
1967 | 0 | num_to_alloc = yyg->yy_buffer_stack_max + grow_size; |
1968 | 0 | yyg->yy_buffer_stack = (struct yy_buffer_state**)expr_yyrealloc |
1969 | 0 | (yyg->yy_buffer_stack, |
1970 | 0 | num_to_alloc * sizeof(struct yy_buffer_state*) |
1971 | 0 | , yyscanner); |
1972 | 0 | if ( ! yyg->yy_buffer_stack ) |
1973 | 0 | YY_FATAL_ERROR( "out of dynamic memory in expr_yyensure_buffer_stack()" ); |
1974 | | |
1975 | | /* zero only the new slots.*/ |
1976 | 0 | memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*)); |
1977 | 0 | yyg->yy_buffer_stack_max = num_to_alloc; |
1978 | 0 | } |
1979 | 0 | } |
1980 | | |
1981 | | /** Setup the input buffer state to scan directly from a user-specified character buffer. |
1982 | | * @param base the character buffer |
1983 | | * @param size the size in bytes of the character buffer |
1984 | | * @param yyscanner The scanner object. |
1985 | | * @return the newly allocated buffer state object. |
1986 | | */ |
1987 | | YY_BUFFER_STATE expr_yy_scan_buffer (char * base, yy_size_t size , yyscan_t yyscanner) |
1988 | 0 | { |
1989 | 0 | YY_BUFFER_STATE b; |
1990 | | |
1991 | 0 | if ( size < 2 || |
1992 | 0 | base[size-2] != YY_END_OF_BUFFER_CHAR || |
1993 | 0 | base[size-1] != YY_END_OF_BUFFER_CHAR ) |
1994 | | /* They forgot to leave room for the EOB's. */ |
1995 | 0 | return NULL; |
1996 | | |
1997 | 0 | b = (YY_BUFFER_STATE) expr_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner ); |
1998 | 0 | if ( ! b ) |
1999 | 0 | YY_FATAL_ERROR( "out of dynamic memory in expr_yy_scan_buffer()" ); |
2000 | |
|
2001 | 0 | b->yy_buf_size = (int) (size - 2); /* "- 2" to take care of EOB's */ |
2002 | 0 | b->yy_buf_pos = b->yy_ch_buf = base; |
2003 | 0 | b->yy_is_our_buffer = 0; |
2004 | 0 | b->yy_input_file = NULL; |
2005 | 0 | b->yy_n_chars = b->yy_buf_size; |
2006 | 0 | b->yy_is_interactive = 0; |
2007 | 0 | b->yy_at_bol = 1; |
2008 | 0 | b->yy_fill_buffer = 0; |
2009 | 0 | b->yy_buffer_status = YY_BUFFER_NEW; |
2010 | |
|
2011 | 0 | expr_yy_switch_to_buffer(b ,yyscanner ); |
2012 | |
|
2013 | 0 | return b; |
2014 | 0 | } |
2015 | | |
2016 | | /** Setup the input buffer state to scan a string. The next call to expr_yylex() will |
2017 | | * scan from a @e copy of @a str. |
2018 | | * @param yystr a NUL-terminated string to scan |
2019 | | * @param yyscanner The scanner object. |
2020 | | * @return the newly allocated buffer state object. |
2021 | | * @note If you want to scan bytes that may contain NUL values, then use |
2022 | | * expr_yy_scan_bytes() instead. |
2023 | | */ |
2024 | | YY_BUFFER_STATE expr_yy_scan_string (const char * yystr , yyscan_t yyscanner) |
2025 | 0 | { |
2026 | | |
2027 | 0 | return expr_yy_scan_bytes(yystr,(int) strlen(yystr) ,yyscanner); |
2028 | 0 | } |
2029 | | |
2030 | | /** Setup the input buffer state to scan the given bytes. The next call to expr_yylex() will |
2031 | | * scan from a @e copy of @a bytes. |
2032 | | * @param yybytes the byte buffer to scan |
2033 | | * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. |
2034 | | * @param yyscanner The scanner object. |
2035 | | * @return the newly allocated buffer state object. |
2036 | | */ |
2037 | | YY_BUFFER_STATE expr_yy_scan_bytes (const char * yybytes, int _yybytes_len , yyscan_t yyscanner) |
2038 | 0 | { |
2039 | 0 | YY_BUFFER_STATE b; |
2040 | 0 | char *buf; |
2041 | 0 | yy_size_t n; |
2042 | 0 | int i; |
2043 | | |
2044 | | /* Get memory for full buffer, including space for trailing EOB's. */ |
2045 | 0 | n = (yy_size_t) (_yybytes_len + 2); |
2046 | 0 | buf = (char *) expr_yyalloc(n ,yyscanner ); |
2047 | 0 | if ( ! buf ) |
2048 | 0 | YY_FATAL_ERROR( "out of dynamic memory in expr_yy_scan_bytes()" ); |
2049 | |
|
2050 | 0 | for ( i = 0; i < _yybytes_len; ++i ) |
2051 | 0 | buf[i] = yybytes[i]; |
2052 | |
|
2053 | 0 | buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; |
2054 | |
|
2055 | 0 | b = expr_yy_scan_buffer(buf,n ,yyscanner); |
2056 | 0 | if ( ! b ) |
2057 | 0 | YY_FATAL_ERROR( "bad buffer in expr_yy_scan_bytes()" ); |
2058 | | |
2059 | | /* It's okay to grow etc. this buffer, and we should throw it |
2060 | | * away when we're done. |
2061 | | */ |
2062 | 0 | b->yy_is_our_buffer = 1; |
2063 | |
|
2064 | 0 | return b; |
2065 | 0 | } |
2066 | | |
2067 | | #ifndef YY_EXIT_FAILURE |
2068 | 0 | #define YY_EXIT_FAILURE 2 |
2069 | | #endif |
2070 | | |
2071 | | static void yynoreturn yy_fatal_error (const char* msg , yyscan_t yyscanner) |
2072 | 0 | { |
2073 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2074 | 0 | (void)yyg; |
2075 | 0 | (void) fprintf( stderr, "%s\n", msg ); |
2076 | 0 | exit( YY_EXIT_FAILURE ); |
2077 | 0 | } |
2078 | | |
2079 | | /* Redefine yyless() so it works in section 3 code. */ |
2080 | | |
2081 | | #undef yyless |
2082 | | #define yyless(n) \ |
2083 | | do \ |
2084 | | { \ |
2085 | | /* Undo effects of setting up yytext. */ \ |
2086 | | int yyless_macro_arg = (n); \ |
2087 | | YY_LESS_LINENO(yyless_macro_arg);\ |
2088 | | yytext[yyleng] = yyg->yy_hold_char; \ |
2089 | | yyg->yy_c_buf_p = yytext + yyless_macro_arg; \ |
2090 | | yyg->yy_hold_char = *yyg->yy_c_buf_p; \ |
2091 | | *yyg->yy_c_buf_p = '\0'; \ |
2092 | | yyleng = yyless_macro_arg; \ |
2093 | | } \ |
2094 | | while ( 0 ) |
2095 | | |
2096 | | /* Accessor methods (get/set functions) to struct members. */ |
2097 | | |
2098 | | /** Get the user-defined data for this scanner. |
2099 | | * @param yyscanner The scanner object. |
2100 | | */ |
2101 | | YY_EXTRA_TYPE expr_yyget_extra (yyscan_t yyscanner) |
2102 | 0 | { |
2103 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2104 | 0 | return yyextra; |
2105 | 0 | } |
2106 | | |
2107 | | /** Get the current line number. |
2108 | | * @param yyscanner The scanner object. |
2109 | | */ |
2110 | | int expr_yyget_lineno (yyscan_t yyscanner) |
2111 | 0 | { |
2112 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2113 | |
|
2114 | 0 | if (! YY_CURRENT_BUFFER) |
2115 | 0 | return 0; |
2116 | | |
2117 | 0 | return yylineno; |
2118 | 0 | } |
2119 | | |
2120 | | /** Get the current column number. |
2121 | | * @param yyscanner The scanner object. |
2122 | | */ |
2123 | | int expr_yyget_column (yyscan_t yyscanner) |
2124 | 0 | { |
2125 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2126 | |
|
2127 | 0 | if (! YY_CURRENT_BUFFER) |
2128 | 0 | return 0; |
2129 | | |
2130 | 0 | return yycolumn; |
2131 | 0 | } |
2132 | | |
2133 | | /** Get the input stream. |
2134 | | * @param yyscanner The scanner object. |
2135 | | */ |
2136 | | FILE *expr_yyget_in (yyscan_t yyscanner) |
2137 | 0 | { |
2138 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2139 | 0 | return yyin; |
2140 | 0 | } |
2141 | | |
2142 | | /** Get the output stream. |
2143 | | * @param yyscanner The scanner object. |
2144 | | */ |
2145 | | FILE *expr_yyget_out (yyscan_t yyscanner) |
2146 | 0 | { |
2147 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2148 | 0 | return yyout; |
2149 | 0 | } |
2150 | | |
2151 | | /** Get the length of the current token. |
2152 | | * @param yyscanner The scanner object. |
2153 | | */ |
2154 | | int expr_yyget_leng (yyscan_t yyscanner) |
2155 | 0 | { |
2156 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2157 | 0 | return yyleng; |
2158 | 0 | } |
2159 | | |
2160 | | /** Get the current token. |
2161 | | * @param yyscanner The scanner object. |
2162 | | */ |
2163 | | |
2164 | | char *expr_yyget_text (yyscan_t yyscanner) |
2165 | 0 | { |
2166 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2167 | 0 | return yytext; |
2168 | 0 | } |
2169 | | |
2170 | | /** Set the user-defined data. This data is never touched by the scanner. |
2171 | | * @param user_defined The data to be associated with this scanner. |
2172 | | * @param yyscanner The scanner object. |
2173 | | */ |
2174 | | void expr_yyset_extra (YY_EXTRA_TYPE user_defined , yyscan_t yyscanner) |
2175 | 0 | { |
2176 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2177 | 0 | yyextra = user_defined ; |
2178 | 0 | } |
2179 | | |
2180 | | /** Set the current line number. |
2181 | | * @param _line_number line number |
2182 | | * @param yyscanner The scanner object. |
2183 | | */ |
2184 | | void expr_yyset_lineno (int _line_number , yyscan_t yyscanner) |
2185 | 0 | { |
2186 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2187 | | |
2188 | | /* lineno is only valid if an input buffer exists. */ |
2189 | 0 | if (! YY_CURRENT_BUFFER ) |
2190 | 0 | YY_FATAL_ERROR( "expr_yyset_lineno called with no buffer" ); |
2191 | | |
2192 | 0 | yylineno = _line_number; |
2193 | 0 | } |
2194 | | |
2195 | | /** Set the current column. |
2196 | | * @param _column_no column number |
2197 | | * @param yyscanner The scanner object. |
2198 | | */ |
2199 | | void expr_yyset_column (int _column_no , yyscan_t yyscanner) |
2200 | 0 | { |
2201 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2202 | | |
2203 | | /* column is only valid if an input buffer exists. */ |
2204 | 0 | if (! YY_CURRENT_BUFFER ) |
2205 | 0 | YY_FATAL_ERROR( "expr_yyset_column called with no buffer" ); |
2206 | | |
2207 | 0 | yycolumn = _column_no; |
2208 | 0 | } |
2209 | | |
2210 | | /** Set the input stream. This does not discard the current |
2211 | | * input buffer. |
2212 | | * @param _in_str A readable stream. |
2213 | | * @param yyscanner The scanner object. |
2214 | | * @see expr_yy_switch_to_buffer |
2215 | | */ |
2216 | | void expr_yyset_in (FILE * _in_str , yyscan_t yyscanner) |
2217 | 0 | { |
2218 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2219 | 0 | yyin = _in_str ; |
2220 | 0 | } |
2221 | | |
2222 | | void expr_yyset_out (FILE * _out_str , yyscan_t yyscanner) |
2223 | 0 | { |
2224 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2225 | 0 | yyout = _out_str ; |
2226 | 0 | } |
2227 | | |
2228 | | int expr_yyget_debug (yyscan_t yyscanner) |
2229 | 0 | { |
2230 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2231 | 0 | return yy_flex_debug; |
2232 | 0 | } |
2233 | | |
2234 | | void expr_yyset_debug (int _bdebug , yyscan_t yyscanner) |
2235 | 0 | { |
2236 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2237 | 0 | yy_flex_debug = _bdebug ; |
2238 | 0 | } |
2239 | | |
2240 | | /* Accessor methods for yylval and yylloc */ |
2241 | | |
2242 | | YYSTYPE * expr_yyget_lval (yyscan_t yyscanner) |
2243 | 0 | { |
2244 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2245 | 0 | return yylval; |
2246 | 0 | } |
2247 | | |
2248 | | void expr_yyset_lval (YYSTYPE * yylval_param , yyscan_t yyscanner) |
2249 | 0 | { |
2250 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2251 | 0 | yylval = yylval_param; |
2252 | 0 | } |
2253 | | |
2254 | | /* User-visible API */ |
2255 | | |
2256 | | /* expr_yylex_init is special because it creates the scanner itself, so it is |
2257 | | * the ONLY reentrant function that doesn't take the scanner as the last argument. |
2258 | | * That's why we explicitly handle the declaration, instead of using our macros. |
2259 | | */ |
2260 | | int expr_yylex_init(yyscan_t* ptr_yy_globals) |
2261 | 0 | { |
2262 | 0 | if (ptr_yy_globals == NULL){ |
2263 | 0 | errno = EINVAL; |
2264 | 0 | return 1; |
2265 | 0 | } |
2266 | | |
2267 | 0 | *ptr_yy_globals = (yyscan_t) expr_yyalloc ( sizeof( struct yyguts_t ), NULL ); |
2268 | |
|
2269 | 0 | if (*ptr_yy_globals == NULL){ |
2270 | 0 | errno = ENOMEM; |
2271 | 0 | return 1; |
2272 | 0 | } |
2273 | | |
2274 | | /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */ |
2275 | 0 | memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); |
2276 | |
|
2277 | 0 | return yy_init_globals ( *ptr_yy_globals ); |
2278 | 0 | } |
2279 | | |
2280 | | /* expr_yylex_init_extra has the same functionality as expr_yylex_init, but follows the |
2281 | | * convention of taking the scanner as the last argument. Note however, that |
2282 | | * this is a *pointer* to a scanner, as it will be allocated by this call (and |
2283 | | * is the reason, too, why this function also must handle its own declaration). |
2284 | | * The user defined value in the first argument will be available to expr_yyalloc in |
2285 | | * the yyextra field. |
2286 | | */ |
2287 | | int expr_yylex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals ) |
2288 | 0 | { |
2289 | 0 | struct yyguts_t dummy_yyguts; |
2290 | |
|
2291 | 0 | expr_yyset_extra (yy_user_defined, &dummy_yyguts); |
2292 | |
|
2293 | 0 | if (ptr_yy_globals == NULL){ |
2294 | 0 | errno = EINVAL; |
2295 | 0 | return 1; |
2296 | 0 | } |
2297 | | |
2298 | 0 | *ptr_yy_globals = (yyscan_t) expr_yyalloc ( sizeof( struct yyguts_t ), &dummy_yyguts ); |
2299 | |
|
2300 | 0 | if (*ptr_yy_globals == NULL){ |
2301 | 0 | errno = ENOMEM; |
2302 | 0 | return 1; |
2303 | 0 | } |
2304 | | |
2305 | | /* By setting to 0xAA, we expose bugs in |
2306 | | yy_init_globals. Leave at 0x00 for releases. */ |
2307 | 0 | memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); |
2308 | |
|
2309 | 0 | expr_yyset_extra (yy_user_defined, *ptr_yy_globals); |
2310 | |
|
2311 | 0 | return yy_init_globals ( *ptr_yy_globals ); |
2312 | 0 | } |
2313 | | |
2314 | | static int yy_init_globals (yyscan_t yyscanner) |
2315 | 0 | { |
2316 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2317 | | /* Initialization is the same as for the non-reentrant scanner. |
2318 | | * This function is called from expr_yylex_destroy(), so don't allocate here. |
2319 | | */ |
2320 | |
|
2321 | 0 | yyg->yy_buffer_stack = NULL; |
2322 | 0 | yyg->yy_buffer_stack_top = 0; |
2323 | 0 | yyg->yy_buffer_stack_max = 0; |
2324 | 0 | yyg->yy_c_buf_p = NULL; |
2325 | 0 | yyg->yy_init = 0; |
2326 | 0 | yyg->yy_start = 0; |
2327 | |
|
2328 | 0 | yyg->yy_start_stack_ptr = 0; |
2329 | 0 | yyg->yy_start_stack_depth = 0; |
2330 | 0 | yyg->yy_start_stack = NULL; |
2331 | | |
2332 | | /* Defined in main.c */ |
2333 | | #ifdef YY_STDINIT |
2334 | | yyin = stdin; |
2335 | | yyout = stdout; |
2336 | | #else |
2337 | 0 | yyin = NULL; |
2338 | 0 | yyout = NULL; |
2339 | 0 | #endif |
2340 | | |
2341 | | /* For future reference: Set errno on error, since we are called by |
2342 | | * expr_yylex_init() |
2343 | | */ |
2344 | 0 | return 0; |
2345 | 0 | } |
2346 | | |
2347 | | /* expr_yylex_destroy is for both reentrant and non-reentrant scanners. */ |
2348 | | int expr_yylex_destroy (yyscan_t yyscanner) |
2349 | 0 | { |
2350 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2351 | | |
2352 | | /* Pop the buffer stack, destroying each element. */ |
2353 | 0 | while(YY_CURRENT_BUFFER){ |
2354 | 0 | expr_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner ); |
2355 | 0 | YY_CURRENT_BUFFER_LVALUE = NULL; |
2356 | 0 | expr_yypop_buffer_state(yyscanner); |
2357 | 0 | } |
2358 | | |
2359 | | /* Destroy the stack itself. */ |
2360 | 0 | expr_yyfree(yyg->yy_buffer_stack ,yyscanner); |
2361 | 0 | yyg->yy_buffer_stack = NULL; |
2362 | | |
2363 | | /* Destroy the start condition stack. */ |
2364 | 0 | expr_yyfree(yyg->yy_start_stack ,yyscanner ); |
2365 | 0 | yyg->yy_start_stack = NULL; |
2366 | | |
2367 | | /* Reset the globals. This is important in a non-reentrant scanner so the next time |
2368 | | * expr_yylex() is called, initialization will occur. */ |
2369 | 0 | yy_init_globals( yyscanner); |
2370 | | |
2371 | | /* Destroy the main struct (reentrant only). */ |
2372 | 0 | expr_yyfree ( yyscanner , yyscanner ); |
2373 | 0 | yyscanner = NULL; |
2374 | 0 | return 0; |
2375 | 0 | } |
2376 | | |
2377 | | /* |
2378 | | * Internal utility routines. |
2379 | | */ |
2380 | | |
2381 | | #ifndef yytext_ptr |
2382 | | static void yy_flex_strncpy (char* s1, const char * s2, int n , yyscan_t yyscanner) |
2383 | | { |
2384 | | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2385 | | (void)yyg; |
2386 | | |
2387 | | int i; |
2388 | | for ( i = 0; i < n; ++i ) |
2389 | | s1[i] = s2[i]; |
2390 | | } |
2391 | | #endif |
2392 | | |
2393 | | #ifdef YY_NEED_STRLEN |
2394 | | static int yy_flex_strlen (const char * s , yyscan_t yyscanner) |
2395 | | { |
2396 | | int n; |
2397 | | for ( n = 0; s[n]; ++n ) |
2398 | | ; |
2399 | | |
2400 | | return n; |
2401 | | } |
2402 | | #endif |
2403 | | |
2404 | | void *expr_yyalloc (yy_size_t size , yyscan_t yyscanner) |
2405 | 0 | { |
2406 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2407 | 0 | (void)yyg; |
2408 | 0 | return malloc(size); |
2409 | 0 | } |
2410 | | |
2411 | | void *expr_yyrealloc (void * ptr, yy_size_t size , yyscan_t yyscanner) |
2412 | 0 | { |
2413 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2414 | 0 | (void)yyg; |
2415 | | |
2416 | | /* The cast to (char *) in the following accommodates both |
2417 | | * implementations that use char* generic pointers, and those |
2418 | | * that use void* generic pointers. It works with the latter |
2419 | | * because both ANSI C and C++ allow castless assignment from |
2420 | | * any pointer type to void*, and deal with argument conversions |
2421 | | * as though doing an assignment. |
2422 | | */ |
2423 | 0 | return realloc(ptr, size); |
2424 | 0 | } |
2425 | | |
2426 | | void expr_yyfree (void * ptr , yyscan_t yyscanner) |
2427 | 0 | { |
2428 | 0 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2429 | 0 | (void)yyg; |
2430 | 0 | free( (char *) ptr ); /* see expr_yyrealloc() for (char *) cast */ |
2431 | 0 | } |
2432 | | |
2433 | | #define YYTABLES_NAME "yytables" |
2434 | | |
2435 | | #line 251 "exprscan.l" |
2436 | | |
2437 | | |
2438 | | /* LCOV_EXCL_STOP */ |
2439 | | |
2440 | | void |
2441 | | expr_yyerror_more(yyscan_t yyscanner, const char *message, const char *more) |
2442 | 0 | { |
2443 | 0 | PsqlScanState state = yyget_extra(yyscanner); |
2444 | 0 | int error_detection_offset = expr_scanner_offset(state) - 1; |
2445 | 0 | YYSTYPE lval; |
2446 | 0 | char *full_line; |
2447 | | |
2448 | | /* |
2449 | | * While parsing an expression, we may not have collected the whole line |
2450 | | * yet from the input source. Lex till EOL so we can report whole line. |
2451 | | * (If we're at EOF, it's okay to call yylex() an extra time.) |
2452 | | */ |
2453 | 0 | if (!last_was_newline) |
2454 | 0 | { |
2455 | 0 | while (yylex(&lval, yyscanner)) |
2456 | 0 | /* skip */ ; |
2457 | 0 | } |
2458 | | |
2459 | | /* Extract the line, trimming trailing newline if any */ |
2460 | 0 | full_line = expr_scanner_get_substring(state, |
2461 | 0 | expr_start_offset, |
2462 | 0 | expr_scanner_offset(state), |
2463 | 0 | true); |
2464 | |
|
2465 | 0 | syntax_error(expr_source, expr_lineno, full_line, expr_command, |
2466 | 0 | message, more, error_detection_offset - expr_start_offset); |
2467 | 0 | } |
2468 | | |
2469 | | void |
2470 | | expr_yyerror(yyscan_t yyscanner, const char *message) |
2471 | 0 | { |
2472 | 0 | expr_yyerror_more(yyscanner, message, NULL); |
2473 | 0 | } |
2474 | | |
2475 | | /* |
2476 | | * Collect a space-separated word from a backslash command and return it |
2477 | | * in word_buf, along with its starting string offset in *offset. |
2478 | | * Returns true if successful, false if at end of command. |
2479 | | */ |
2480 | | bool |
2481 | | expr_lex_one_word(PsqlScanState state, PQExpBuffer word_buf, int *offset) |
2482 | 0 | { |
2483 | 0 | int lexresult; |
2484 | 0 | YYSTYPE lval; |
2485 | | |
2486 | | /* Must be scanning already */ |
2487 | 0 | Assert(state->scanbufhandle != NULL); |
2488 | | |
2489 | | /* Set current output target */ |
2490 | 0 | state->output_buf = word_buf; |
2491 | 0 | resetPQExpBuffer(word_buf); |
2492 | | |
2493 | | /* Set input source */ |
2494 | 0 | if (state->buffer_stack != NULL) |
2495 | 0 | yy_switch_to_buffer(state->buffer_stack->buf, state->scanner); |
2496 | 0 | else |
2497 | 0 | yy_switch_to_buffer(state->scanbufhandle, state->scanner); |
2498 | | |
2499 | | /* Set start state */ |
2500 | 0 | state->start_state = INITIAL; |
2501 | | |
2502 | | /* And lex. */ |
2503 | 0 | lexresult = yylex(&lval, state->scanner); |
2504 | | |
2505 | | /* |
2506 | | * Save start offset of word, if any. We could do this more efficiently, |
2507 | | * but for now this seems fine. |
2508 | | */ |
2509 | 0 | if (lexresult) |
2510 | 0 | *offset = expr_scanner_offset(state) - word_buf->len; |
2511 | 0 | else |
2512 | 0 | *offset = -1; |
2513 | | |
2514 | | /* |
2515 | | * In case the caller returns to using the regular SQL lexer, reselect the |
2516 | | * appropriate initial state. |
2517 | | */ |
2518 | 0 | psql_scan_reselect_sql_lexer(state); |
2519 | |
|
2520 | 0 | return (bool) lexresult; |
2521 | 0 | } |
2522 | | |
2523 | | /* |
2524 | | * Prepare to lex an expression via expr_yyparse(). |
2525 | | * |
2526 | | * Returns the yyscan_t that is to be passed to expr_yyparse(). |
2527 | | * (This is just state->scanner, but callers don't need to know that.) |
2528 | | */ |
2529 | | yyscan_t |
2530 | | expr_scanner_init(PsqlScanState state, |
2531 | | const char *source, int lineno, int start_offset, |
2532 | | const char *command) |
2533 | 0 | { |
2534 | | /* Save error context info */ |
2535 | 0 | expr_source = source; |
2536 | 0 | expr_lineno = lineno; |
2537 | 0 | expr_start_offset = start_offset; |
2538 | 0 | expr_command = command; |
2539 | | |
2540 | | /* Must be scanning already */ |
2541 | 0 | Assert(state->scanbufhandle != NULL); |
2542 | | |
2543 | | /* Set current output target */ |
2544 | 0 | state->output_buf = NULL; |
2545 | | |
2546 | | /* Set input source */ |
2547 | 0 | if (state->buffer_stack != NULL) |
2548 | 0 | yy_switch_to_buffer(state->buffer_stack->buf, state->scanner); |
2549 | 0 | else |
2550 | 0 | yy_switch_to_buffer(state->scanbufhandle, state->scanner); |
2551 | | |
2552 | | /* Set start state */ |
2553 | 0 | state->start_state = EXPR; |
2554 | |
|
2555 | 0 | return state->scanner; |
2556 | 0 | } |
2557 | | |
2558 | | /* |
2559 | | * Finish lexing an expression. |
2560 | | */ |
2561 | | void |
2562 | | expr_scanner_finish(yyscan_t yyscanner) |
2563 | 0 | { |
2564 | 0 | PsqlScanState state = yyget_extra(yyscanner); |
2565 | | |
2566 | | /* |
2567 | | * Reselect appropriate initial state for SQL lexer. |
2568 | | */ |
2569 | 0 | psql_scan_reselect_sql_lexer(state); |
2570 | 0 | } |
2571 | | |
2572 | | /* |
2573 | | * Get offset from start of string to end of current lexer token. |
2574 | | * |
2575 | | * We rely on the knowledge that flex modifies the scan buffer by storing |
2576 | | * a NUL at the end of the current token (yytext). Note that this might |
2577 | | * not work quite right if we were parsing a sub-buffer, but since pgbench |
2578 | | * never invokes that functionality, it doesn't matter. |
2579 | | */ |
2580 | | int |
2581 | | expr_scanner_offset(PsqlScanState state) |
2582 | 0 | { |
2583 | 0 | return strlen(state->scanbuf); |
2584 | 0 | } |
2585 | | |
2586 | | /* |
2587 | | * Get a malloc'd copy of the lexer input string from start_offset |
2588 | | * to just before end_offset. If chomp is true, drop any trailing |
2589 | | * newline(s). |
2590 | | */ |
2591 | | char * |
2592 | | expr_scanner_get_substring(PsqlScanState state, |
2593 | | int start_offset, int end_offset, |
2594 | | bool chomp) |
2595 | 0 | { |
2596 | 0 | char *result; |
2597 | 0 | const char *scanptr = state->scanbuf + start_offset; |
2598 | 0 | int slen = end_offset - start_offset; |
2599 | |
|
2600 | 0 | Assert(slen >= 0); |
2601 | 0 | Assert(end_offset <= strlen(state->scanbuf)); |
2602 | |
|
2603 | 0 | if (chomp) |
2604 | 0 | { |
2605 | 0 | while (slen > 0 && |
2606 | 0 | (scanptr[slen - 1] == '\n' || scanptr[slen - 1] == '\r')) |
2607 | 0 | slen--; |
2608 | 0 | } |
2609 | |
|
2610 | 0 | result = (char *) pg_malloc(slen + 1); |
2611 | 0 | memcpy(result, scanptr, slen); |
2612 | 0 | result[slen] = '\0'; |
2613 | |
|
2614 | 0 | return result; |
2615 | 0 | } |
2616 | | |
2617 | | /* |
2618 | | * Get the line number associated with the given string offset |
2619 | | * (which must not be past the end of where we've lexed to). |
2620 | | */ |
2621 | | int |
2622 | | expr_scanner_get_lineno(PsqlScanState state, int offset) |
2623 | 0 | { |
2624 | 0 | int lineno = 1; |
2625 | 0 | const char *p = state->scanbuf; |
2626 | |
|
2627 | 0 | while (*p && offset > 0) |
2628 | 0 | { |
2629 | 0 | if (*p == '\n') |
2630 | 0 | lineno++; |
2631 | 0 | p++, offset--; |
2632 | 0 | } |
2633 | 0 | return lineno; |
2634 | 0 | } |
2635 | | |