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2fa0b342 DHW |
1 | %{ |
2 | /* Copyright (C) 1991 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GLD, the Gnu Linker. | |
5 | ||
6 | GLD is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
2e2bf962 | 8 | the Free Software Foundation; either version 2, or (at your option) |
2fa0b342 DHW |
9 | any later version. |
10 | ||
11 | GLD is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GLD; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | /* | |
9d1fe8a4 SC |
21 | This was written by steve chamberlain |
22 | sac@cygnus.com | |
2fa0b342 DHW |
23 | */ |
24 | ||
25 | ||
9d1fe8a4 SC |
26 | typedef int bfd_vma; |
27 | #include <ansidecl.h> | |
28 | #include "ldgram.h" | |
2fa0b342 | 29 | |
9d1fe8a4 SC |
30 | int ldgram_in_defsym; |
31 | int ldgram_had_equals; | |
32 | int ldgram_in_script; | |
2fa0b342 | 33 | |
9d1fe8a4 SC |
34 | int hex_mode; |
35 | extern int fgetc(); | |
36 | extern int yyparse(); | |
2fa0b342 | 37 | |
2fa0b342 | 38 | |
2e2bf962 | 39 | |
9d1fe8a4 | 40 | char *buystring(); |
7ca04d28 | 41 | |
9d1fe8a4 SC |
42 | int lineno = 1; |
43 | int old; | |
1d45ccb3 | 44 | |
9d1fe8a4 SC |
45 | #undef YY_INPUT |
46 | #define YY_INPUT(buf,result,max_size) yy_input(buf, &result, max_size) | |
47 | #undef YY_FATAL_ERROR | |
48 | #define YY_FATAL_ERROR ; | |
49 | #define MAX_INCLUDE_DEPTH 10 | |
50 | YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH]; | |
51 | unsigned int include_stack_ptr = 0; | |
2fa0b342 | 52 | |
2fa0b342 | 53 | |
9d1fe8a4 SC |
54 | /* FOUR STATES |
55 | COMMAND on command line | |
56 | COMMENT in a C comment | |
57 | EXPRESSION definiatelyt in an expression | |
58 | SCRIPT definately in a script | |
59 | SOMEWHERE either EXPRESSION or SCRIPT | |
60 | */ | |
2fa0b342 | 61 | #define RTOKEN(x) { yylval.token = x; return x; } |
9d1fe8a4 | 62 | %} |
2fa0b342 | 63 | |
9d1fe8a4 SC |
64 | %a 4000 |
65 | %o 5000 | |
66 | FILENAMECHAR1 [_a-zA-Z\/\.\\] | |
67 | FILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\] | |
68 | FILENAME {FILENAMECHAR}+ | |
69 | WHITE [ \t\n]+ | |
2fa0b342 | 70 | |
9d1fe8a4 SC |
71 | %x COMMAND |
72 | %x SCRIPT | |
73 | %x EXPRESSION | |
74 | %x COMMENT | |
75 | %x BOTH | |
76 | %% | |
77 | ||
78 | <COMMAND>"-defsym" { return OPTION_defsym; } | |
79 | <COMMAND>"-noinhibit_exec" { return OPTION_noinhibit_exec; } | |
80 | <COMMAND>"-noinhibit-exec" { return OPTION_noinhibit_exec; } | |
81 | <COMMAND>"-sort_common" { return OPTION_sort_common;} | |
82 | <COMMAND>"-sort-common" { return OPTION_sort_common;} | |
83 | <COMMAND>"-format" { return OPTION_format; } | |
84 | <COMMAND>"-n" { return OPTION_n; } | |
85 | <COMMAND>"-N" { return OPTION_N; } | |
86 | <COMMAND>"-r" { return OPTION_r; } | |
87 | <COMMAND>"-relax" { return OPTION_relax; } | |
88 | <COMMAND>"-i" { return OPTION_r; } | |
89 | <COMMAND>"-Ur" { return OPTION_Ur; } | |
90 | <COMMAND>"-o" { return OPTION_o; } | |
91 | <COMMAND>"-g" { return OPTION_g; } | |
92 | <COMMAND>"-e" { return OPTION_e; } | |
93 | <COMMAND>"-b" { return OPTION_b; } | |
94 | <COMMAND>"-dc" { return OPTION_dc; } | |
95 | <COMMAND>"-dp" { return OPTION_dp; } | |
96 | <COMMAND>"-d" { return OPTION_d; } | |
97 | <COMMAND>"-v" { return OPTION_v; } | |
98 | <COMMAND>"-V" { return OPTION_V; } | |
99 | <COMMAND>"-M" { return OPTION_M; } | |
100 | <COMMAND>"-Map" { return OPTION_Map;} | |
101 | <COMMAND>"-t" { return OPTION_t; } | |
102 | <COMMAND>"-X" { return OPTION_X; } | |
103 | <COMMAND>"-x" { return OPTION_x; } | |
104 | <COMMAND>"-c" { return OPTION_c; } | |
105 | <COMMAND>"-R" { return OPTION_R; } | |
106 | <COMMAND>"-u" { return OPTION_u; } | |
107 | <COMMAND>"-s" { return OPTION_s; } | |
108 | <COMMAND>"-S" { return OPTION_S; } | |
109 | <COMMAND>"-Bstat" { return OPTION_Bstatic; } | |
110 | <COMMAND>"-B"{FILENAME} { /* Ignored */ } | |
111 | <COMMAND>"-l"{FILENAME} { | |
112 | yylval.name = buystring(yytext+2); | |
113 | return OPTION_l; | |
114 | } | |
115 | ||
116 | <COMMAND>"-L"{FILENAME} { | |
117 | yylval.name = buystring(yytext+2); | |
118 | return OPTION_L; | |
119 | } | |
120 | <COMMAND>"-Ttext" { | |
121 | yylval.name = ".text"; | |
122 | return OPTION_Texp; | |
123 | } | |
124 | <COMMAND>"-Tdata" { | |
125 | yylval.name = ".data"; | |
126 | return OPTION_Texp; | |
127 | } | |
128 | <COMMAND>"-Tbss" { | |
129 | yylval.name = ".bss"; | |
130 | return OPTION_Texp; | |
131 | } | |
132 | <COMMAND>"-O"{FILENAME} { | |
133 | yylval.name = buystring(yytext+2); | |
134 | return OPTION_Texp; | |
135 | } | |
136 | ||
137 | <COMMAND>"-T"{FILENAME} { | |
138 | yylval.name = buystring(yytext+2); | |
139 | return OPTION_Tfile; | |
140 | } | |
141 | <COMMAND>"-T" { | |
142 | return OPTION_T; | |
143 | } | |
144 | ||
145 | <COMMAND>"-F"{FILENAME} { | |
146 | return OPTION_F; | |
147 | } | |
148 | <COMMAND>"-F" { | |
149 | return OPTION_F; | |
150 | } | |
151 | ||
152 | <COMMAND>"-A"{FILENAME} { | |
153 | yylval.name = buystring(yytext+2); | |
154 | return OPTION_Aarch; | |
155 | } | |
156 | <BOTH,EXPRESSION>"0x"?([0-9A-Fa-f])+(M|K|m|k)? { | |
157 | yylval.integer = strtol(yytext,0,hex_mode); | |
158 | if (yytext[yyleng-1]=='M' | |
159 | || yytext[yyleng-1] == 'm') { | |
160 | yylval.integer *= 1024*1024; | |
161 | } | |
162 | if (yytext[yyleng-1]=='K' | |
163 | || yytext[yyleng-1]=='k') { | |
164 | yylval.integer *= 1024; | |
165 | } | |
166 | return INT; | |
167 | } | |
168 | <BOTH,SCRIPT,EXPRESSION>"]" { RTOKEN(']');} | |
169 | <BOTH,SCRIPT,EXPRESSION>"[" { RTOKEN('[');} | |
170 | <BOTH,SCRIPT,EXPRESSION>"<<=" { RTOKEN(LSHIFTEQ);} | |
171 | <BOTH,SCRIPT,EXPRESSION>">>=" { RTOKEN(RSHIFTEQ);} | |
172 | <BOTH,SCRIPT,EXPRESSION>"||" { RTOKEN(OROR);} | |
173 | <BOTH,SCRIPT,EXPRESSION>"==" { RTOKEN(EQ);} | |
174 | <BOTH,SCRIPT,EXPRESSION>"!=" { RTOKEN(NE);} | |
175 | <BOTH,SCRIPT,EXPRESSION>">=" { RTOKEN(GE);} | |
176 | <BOTH,SCRIPT,EXPRESSION>"<=" { RTOKEN(LE);} | |
177 | <BOTH,SCRIPT,EXPRESSION>"<<" { RTOKEN(LSHIFT);} | |
178 | <BOTH,SCRIPT,EXPRESSION>">>" { RTOKEN(RSHIFT);} | |
179 | <BOTH,SCRIPT,EXPRESSION>"+=" { RTOKEN(PLUSEQ);} | |
180 | <BOTH,SCRIPT,EXPRESSION>"-=" { RTOKEN(MINUSEQ);} | |
181 | <BOTH,SCRIPT,EXPRESSION>"*=" { RTOKEN(MULTEQ);} | |
182 | <BOTH,SCRIPT,EXPRESSION>"/=" { RTOKEN(DIVEQ);} | |
183 | <BOTH,SCRIPT,EXPRESSION>"&=" { RTOKEN(ANDEQ);} | |
184 | <BOTH,SCRIPT,EXPRESSION>"|=" { RTOKEN(OREQ);} | |
185 | <BOTH,SCRIPT,EXPRESSION>"&&" { RTOKEN(ANDAND);} | |
186 | <BOTH,SCRIPT,EXPRESSION>">" { RTOKEN('>');} | |
187 | <BOTH,SCRIPT,EXPRESSION>"," { RTOKEN(',');} | |
188 | <BOTH,SCRIPT,EXPRESSION>"&" { RTOKEN('&');} | |
189 | <BOTH,SCRIPT,EXPRESSION>"|" { RTOKEN('|');} | |
190 | <BOTH,SCRIPT,EXPRESSION>"~" { RTOKEN('~');} | |
191 | <BOTH,SCRIPT,EXPRESSION>"!" { RTOKEN('!');} | |
192 | <BOTH,SCRIPT,EXPRESSION>"?" { RTOKEN('?');} | |
193 | <BOTH,SCRIPT,EXPRESSION>"*" { RTOKEN('*');} | |
194 | <BOTH,SCRIPT,EXPRESSION>"+" { RTOKEN('+');} | |
195 | <BOTH,SCRIPT,EXPRESSION>"-" { RTOKEN('-');} | |
196 | <BOTH,SCRIPT,EXPRESSION>"/" { RTOKEN('/');} | |
197 | <BOTH,SCRIPT,EXPRESSION>"%" { RTOKEN('%');} | |
198 | <BOTH,SCRIPT,EXPRESSION>"<" { RTOKEN('<');} | |
199 | <BOTH,SCRIPT,EXPRESSION>">" { RTOKEN('>');} | |
200 | <BOTH,SCRIPT,EXPRESSION>"=" { RTOKEN('=');} | |
201 | <BOTH,SCRIPT,EXPRESSION>"}" { RTOKEN('}') ; } | |
202 | <BOTH,SCRIPT,EXPRESSION>"{" { RTOKEN('{'); } | |
203 | <BOTH,SCRIPT,EXPRESSION>")" { RTOKEN(')');} | |
204 | <BOTH,SCRIPT,EXPRESSION>"(" { RTOKEN('(');} | |
205 | <BOTH,SCRIPT,EXPRESSION>"]" { RTOKEN(']');} | |
206 | <BOTH,SCRIPT,EXPRESSION>"[" { RTOKEN('[');} | |
207 | <BOTH,SCRIPT,EXPRESSION>":" { RTOKEN(':'); } | |
208 | <BOTH,SCRIPT,EXPRESSION>";" { RTOKEN(';');} | |
209 | <BOTH,SCRIPT,EXPRESSION>"-" { RTOKEN('-');} | |
210 | <BOTH,SCRIPT,EXPRESSION>"/" { RTOKEN('/');} | |
211 | <BOTH,SCRIPT>"MEMORY" { RTOKEN(MEMORY);} | |
212 | <BOTH,SCRIPT>"ORIGIN" { RTOKEN(ORIGIN);} | |
213 | <BOTH,SCRIPT>"BLOCK" { RTOKEN(BLOCK);} | |
214 | <BOTH,SCRIPT>"LENGTH" { RTOKEN(LENGTH);} | |
215 | <EXPRESSION,BOTH,SCRIPT>"ALIGN" { RTOKEN(ALIGN_K);} | |
216 | <EXPRESSION,BOTH,SCRIPT>"ADDR" { RTOKEN(ADDR);} | |
217 | <BOTH,SCRIPT>"ENTRY" { RTOKEN(ENTRY);} | |
218 | <EXPRESSION,BOTH,SCRIPT>"NEXT" { RTOKEN(NEXT);} | |
219 | <EXPRESSION,BOTH,SCRIPT>"sizeof_headers" { RTOKEN(SIZEOF_HEADERS);} | |
220 | <EXPRESSION,BOTH,SCRIPT>"SIZEOF_HEADERS" { RTOKEN(SIZEOF_HEADERS);} | |
221 | <BOTH,SCRIPT>"MAP" { RTOKEN(MAP);} | |
222 | <EXPRESSION,BOTH,SCRIPT>"SIZEOF" { RTOKEN(SIZEOF);} | |
223 | <BOTH,SCRIPT>"TARGET" { RTOKEN(TARGET_K);} | |
224 | <BOTH,SCRIPT>"SEARCH_DIR" { RTOKEN(SEARCH_DIR);} | |
225 | <BOTH,SCRIPT>"OUTPUT" { RTOKEN(OUTPUT);} | |
226 | <BOTH,SCRIPT>"INPUT" { RTOKEN(INPUT);} | |
227 | <BOTH,SCRIPT>"DEFINED" { RTOKEN(DEFINED);} | |
228 | <BOTH,SCRIPT>"CREATE_OBJECT_SYMBOLS" { RTOKEN(CREATE_OBJECT_SYMBOLS);} | |
229 | <BOTH,SCRIPT>"CONSTRUCTORS" { RTOKEN( CONSTRUCTORS);} | |
230 | <BOTH,SCRIPT>"FORCE_COMMON_ALLOCATION" { RTOKEN(FORCE_COMMON_ALLOCATION);} | |
231 | <BOTH,SCRIPT>"SECTIONS" { RTOKEN(SECTIONS);} | |
232 | <BOTH,SCRIPT>"FILL" { RTOKEN(FILL);} | |
233 | <BOTH,SCRIPT>"STARTUP" { RTOKEN(STARTUP);} | |
234 | <BOTH,SCRIPT>"OUTPUT_FORMAT" { RTOKEN(OUTPUT_FORMAT);} | |
235 | <BOTH,SCRIPT>"OUTPUT_ARCH" { RTOKEN( OUTPUT_ARCH);} | |
236 | <BOTH,SCRIPT>"HLL" { RTOKEN(HLL);} | |
237 | <BOTH,SCRIPT>"SYSLIB" { RTOKEN(SYSLIB);} | |
238 | <BOTH,SCRIPT>"FLOAT" { RTOKEN(FLOAT);} | |
239 | <BOTH,SCRIPT>"LONG" { RTOKEN( LONG);} | |
240 | <BOTH,SCRIPT>"SHORT" { RTOKEN( SHORT);} | |
241 | <BOTH,SCRIPT>"BYTE" { RTOKEN( BYTE);} | |
242 | <BOTH,SCRIPT>"NOFLOAT" { RTOKEN(NOFLOAT);} | |
243 | <BOTH,SCRIPT>"NOLOAD" { RTOKEN(NOLOAD);} | |
244 | <BOTH,SCRIPT>"DSECT" { RTOKEN(DSECT);} | |
245 | <BOTH,SCRIPT>"COPY" { RTOKEN(COPY);} | |
246 | <BOTH,SCRIPT>"INFO" { RTOKEN(INFO);} | |
247 | <BOTH,SCRIPT>"OVERLAY" { RTOKEN(OVERLAY);} | |
248 | <BOTH,SCRIPT>"o" { RTOKEN(ORIGIN);} | |
249 | <BOTH,SCRIPT>"org" { RTOKEN(ORIGIN);} | |
250 | <BOTH,SCRIPT>"l" { RTOKEN( LENGTH);} | |
251 | <BOTH,SCRIPT>"len" { RTOKEN( LENGTH);} | |
252 | ||
253 | <BOTH,EXPRESSION>{FILENAMECHAR1}{FILENAMECHAR}* { | |
254 | yylval.name = buystring(yytext); | |
255 | return NAME; | |
256 | } | |
257 | <SCRIPT,COMMAND>{FILENAMECHAR}* { yylval.name = buystring(yytext); | |
258 | return NAME; | |
259 | } | |
260 | ||
261 | <EXPRESSION,BOTH,COMMAND,SCRIPT>"\""[^\"]*"\"" { | |
262 | /* No matter the state, quotes | |
263 | give what's inside */ | |
264 | yylval.name = buystring(yytext+1); | |
265 | yylval.name[yyleng-2] = 0; | |
266 | return NAME; | |
267 | } | |
268 | <BOTH,SCRIPT,EXPRESSION>"\n" { lineno++;} | |
269 | <COMMAND,BOTH,SCRIPT,EXPRESSION>[ \t] | |
270 | ||
271 | "/*" { old = INITIAL; BEGIN(COMMENT); } | |
272 | <COMMAND>"/*" { old = COMMAND; BEGIN(COMMENT); } | |
273 | <BOTH>"/*" { old =BOTH; BEGIN(COMMENT); } | |
274 | <SCRIPT>"/*" { old = EXPRESSION; BEGIN(COMMENT); } | |
275 | <EXPRESSION>"/*" { old = SCRIPT; BEGIN(COMMENT); } | |
276 | "/*" { old = INITIAL; BEGIN(COMMENT); } | |
277 | <COMMENT>[^*\\n]* | |
278 | <COMMENT>"*"+[^*/\\n]* | |
279 | <COMMENT>\\n { ++lineno;} | |
280 | <COMMENT>"*"+"/" { BEGIN(old); } | |
281 | ||
282 | <<EOF>> { | |
283 | include_stack_ptr--; | |
284 | ||
285 | if (include_stack_ptr == 0) | |
286 | { | |
287 | yyterminate(); | |
288 | } | |
289 | else | |
290 | { | |
291 | yy_switch_to_buffer(include_stack[include_stack_ptr]); | |
292 | } | |
293 | BEGIN(COMMAND); | |
294 | return END; | |
2fa0b342 | 295 | } |
9d1fe8a4 | 296 | |
2fa0b342 | 297 | |
2fa0b342 DHW |
298 | |
299 | ||
2fa0b342 | 300 | |
2fa0b342 | 301 | |
2fa0b342 DHW |
302 | |
303 | ||
9d1fe8a4 | 304 | %% |
2fa0b342 DHW |
305 | |
306 | void | |
9d1fe8a4 SC |
307 | DEFUN(lex_push_file,(file), |
308 | FILE *file) | |
2fa0b342 | 309 | { |
9d1fe8a4 SC |
310 | if (include_stack_ptr >= MAX_INCLUDE_DEPTH) |
311 | { | |
312 | einfo("%F:includes nested too deeply"); | |
2fa0b342 | 313 | } |
9d1fe8a4 SC |
314 | include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER; |
315 | yyin = file; | |
316 | yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE)); | |
2fa0b342 | 317 | |
9d1fe8a4 | 318 | BEGIN(SCRIPT); |
2fa0b342 DHW |
319 | } |
320 | ||
9d1fe8a4 SC |
321 | YY_BUFFER_STATE |
322 | DEFUN(yy_create_string_buffer,(string, size), | |
323 | CONST char *string AND | |
324 | int size ) | |
2fa0b342 | 325 | { |
9d1fe8a4 | 326 | YY_BUFFER_STATE b; |
2fa0b342 | 327 | |
9d1fe8a4 SC |
328 | b = (YY_BUFFER_STATE) malloc( sizeof( struct yy_buffer_state ) ); |
329 | b->yy_input_file = 0; | |
330 | ||
331 | if ( ! b ) | |
332 | YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); | |
2fa0b342 | 333 | |
9d1fe8a4 | 334 | b->yy_buf_size = size; |
2fa0b342 | 335 | |
9d1fe8a4 SC |
336 | /* yy_ch_buf has to be 2 characters longer than the size given because |
337 | * we need to put in 2 end-of-buffer characters. | |
338 | */ | |
339 | b->yy_ch_buf = (YY_CHAR *) malloc( (unsigned) (b->yy_buf_size + 3) ); | |
2fa0b342 | 340 | |
9d1fe8a4 SC |
341 | if ( ! b->yy_ch_buf ) |
342 | YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); | |
2fa0b342 DHW |
343 | |
344 | ||
9d1fe8a4 SC |
345 | b->yy_ch_buf[0] = '\n'; |
346 | strcpy(b->yy_ch_buf+1, string); | |
347 | b->yy_ch_buf[size+1] = YY_END_OF_BUFFER_CHAR; | |
348 | b->yy_ch_buf[size+2] = YY_END_OF_BUFFER_CHAR; | |
349 | b->yy_n_chars = size+1; | |
350 | b->yy_buf_pos = &b->yy_ch_buf[1]; | |
2fa0b342 | 351 | |
9d1fe8a4 | 352 | b->yy_eof_status = EOF_NOT_SEEN; |
2fa0b342 | 353 | |
9d1fe8a4 | 354 | return ( b ); |
2fa0b342 | 355 | } |
2fa0b342 | 356 | |
2fa0b342 | 357 | |
1418c83b | 358 | |
9d1fe8a4 SC |
359 | void |
360 | DEFUN(lex_redirect,( string), | |
361 | CONST char *string) | |
362 | { | |
363 | YY_BUFFER_STATE tmp; | |
1d45ccb3 | 364 | |
9d1fe8a4 SC |
365 | int len = strlen(string); |
366 | yy_init = 0 ; | |
367 | if (include_stack_ptr >= MAX_INCLUDE_DEPTH) | |
368 | { | |
369 | einfo("%F: macros nested too deeply"); | |
1418c83b | 370 | } |
9d1fe8a4 | 371 | include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER; |
1418c83b | 372 | |
9d1fe8a4 SC |
373 | tmp = yy_create_string_buffer(string, len); |
374 | ||
375 | yy_switch_to_buffer(tmp); | |
376 | BEGIN(COMMAND); | |
377 | yyout = stdout; | |
378 | } | |
1d45ccb3 | 379 | |
9d1fe8a4 SC |
380 | int state_stack[20]; |
381 | int *state_stack_p = state_stack; | |
1d45ccb3 | 382 | |
9d1fe8a4 SC |
383 | void |
384 | DEFUN_VOID(ldlex_script) | |
385 | { | |
386 | *(state_stack_p)++ = yy_start; | |
1d45ccb3 | 387 | |
9d1fe8a4 SC |
388 | BEGIN(SCRIPT); |
389 | } | |
1418c83b | 390 | |
2fa0b342 | 391 | |
9d1fe8a4 SC |
392 | void |
393 | DEFUN_VOID(ldlex_expression) | |
394 | { | |
395 | *(state_stack_p)++ = yy_start; | |
396 | BEGIN(EXPRESSION); | |
1d45ccb3 | 397 | |
9d1fe8a4 SC |
398 | } |
399 | void | |
400 | DEFUN_VOID(ldlex_both) | |
401 | { | |
402 | *(state_stack_p)++ = yy_start; | |
403 | BEGIN(BOTH); | |
404 | } | |
405 | void | |
406 | DEFUN_VOID(ldlex_command) | |
407 | { | |
408 | *(state_stack_p)++ = yy_start; | |
409 | BEGIN(COMMAND); | |
2fa0b342 DHW |
410 | } |
411 | ||
9d1fe8a4 SC |
412 | void |
413 | DEFUN_VOID(ldlex_popstate) | |
414 | { | |
415 | yy_start = *(--state_stack_p); | |
416 | } | |
2fa0b342 | 417 | |
9d1fe8a4 SC |
418 | yy_input(buf, result, max_size) |
419 | char *buf; | |
420 | int *result; | |
421 | int max_size; | |
422 | { | |
423 | *result = 0; | |
424 | if (yy_current_buffer->yy_input_file) | |
425 | { | |
426 | if (yyin) | |
427 | if ( (*result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) | |
428 | YY_FATAL_ERROR( "read() in flex scanner failed" ); | |
429 | } | |
430 | } | |
2fa0b342 | 431 |