Commit | Line | Data |
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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 | |
3d2b83ea | 54 | /* STATES |
9d1fe8a4 SC |
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 | |
3d2b83ea | 60 | MRI in an MRI script |
9d1fe8a4 | 61 | */ |
2fa0b342 | 62 | #define RTOKEN(x) { yylval.token = x; return x; } |
9d1fe8a4 | 63 | %} |
2fa0b342 | 64 | |
9d1fe8a4 SC |
65 | %a 4000 |
66 | %o 5000 | |
67 | FILENAMECHAR1 [_a-zA-Z\/\.\\] | |
2e38b71d | 68 | FILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\] |
9d1fe8a4 SC |
69 | FILENAME {FILENAMECHAR}+ |
70 | WHITE [ \t\n]+ | |
2fa0b342 | 71 | |
9d1fe8a4 SC |
72 | %x COMMAND |
73 | %x SCRIPT | |
74 | %x EXPRESSION | |
75 | %x COMMENT | |
76 | %x BOTH | |
3d2b83ea | 77 | %x MRI |
9d1fe8a4 SC |
78 | %% |
79 | ||
80 | <COMMAND>"-defsym" { return OPTION_defsym; } | |
81 | <COMMAND>"-noinhibit_exec" { return OPTION_noinhibit_exec; } | |
82 | <COMMAND>"-noinhibit-exec" { return OPTION_noinhibit_exec; } | |
83 | <COMMAND>"-sort_common" { return OPTION_sort_common;} | |
84 | <COMMAND>"-sort-common" { return OPTION_sort_common;} | |
85 | <COMMAND>"-format" { return OPTION_format; } | |
86 | <COMMAND>"-n" { return OPTION_n; } | |
87 | <COMMAND>"-N" { return OPTION_N; } | |
88 | <COMMAND>"-r" { return OPTION_r; } | |
89 | <COMMAND>"-relax" { return OPTION_relax; } | |
90 | <COMMAND>"-i" { return OPTION_r; } | |
91 | <COMMAND>"-Ur" { return OPTION_Ur; } | |
92 | <COMMAND>"-o" { return OPTION_o; } | |
93 | <COMMAND>"-g" { return OPTION_g; } | |
94 | <COMMAND>"-e" { return OPTION_e; } | |
95 | <COMMAND>"-b" { return OPTION_b; } | |
96 | <COMMAND>"-dc" { return OPTION_dc; } | |
97 | <COMMAND>"-dp" { return OPTION_dp; } | |
98 | <COMMAND>"-d" { return OPTION_d; } | |
99 | <COMMAND>"-v" { return OPTION_v; } | |
100 | <COMMAND>"-V" { return OPTION_V; } | |
101 | <COMMAND>"-M" { return OPTION_M; } | |
102 | <COMMAND>"-Map" { return OPTION_Map;} | |
103 | <COMMAND>"-t" { return OPTION_t; } | |
104 | <COMMAND>"-X" { return OPTION_X; } | |
105 | <COMMAND>"-x" { return OPTION_x; } | |
106 | <COMMAND>"-c" { return OPTION_c; } | |
107 | <COMMAND>"-R" { return OPTION_R; } | |
108 | <COMMAND>"-u" { return OPTION_u; } | |
109 | <COMMAND>"-s" { return OPTION_s; } | |
110 | <COMMAND>"-S" { return OPTION_S; } | |
111 | <COMMAND>"-Bstat" { return OPTION_Bstatic; } | |
112 | <COMMAND>"-B"{FILENAME} { /* Ignored */ } | |
113 | <COMMAND>"-l"{FILENAME} { | |
114 | yylval.name = buystring(yytext+2); | |
115 | return OPTION_l; | |
116 | } | |
117 | ||
118 | <COMMAND>"-L"{FILENAME} { | |
119 | yylval.name = buystring(yytext+2); | |
120 | return OPTION_L; | |
121 | } | |
122 | <COMMAND>"-Ttext" { | |
123 | yylval.name = ".text"; | |
124 | return OPTION_Texp; | |
125 | } | |
126 | <COMMAND>"-Tdata" { | |
127 | yylval.name = ".data"; | |
128 | return OPTION_Texp; | |
129 | } | |
130 | <COMMAND>"-Tbss" { | |
131 | yylval.name = ".bss"; | |
132 | return OPTION_Texp; | |
133 | } | |
134 | <COMMAND>"-O"{FILENAME} { | |
135 | yylval.name = buystring(yytext+2); | |
136 | return OPTION_Texp; | |
137 | } | |
138 | ||
139 | <COMMAND>"-T"{FILENAME} { | |
140 | yylval.name = buystring(yytext+2); | |
141 | return OPTION_Tfile; | |
142 | } | |
143 | <COMMAND>"-T" { | |
144 | return OPTION_T; | |
145 | } | |
146 | ||
147 | <COMMAND>"-F"{FILENAME} { | |
148 | return OPTION_F; | |
149 | } | |
150 | <COMMAND>"-F" { | |
151 | return OPTION_F; | |
152 | } | |
153 | ||
154 | <COMMAND>"-A"{FILENAME} { | |
155 | yylval.name = buystring(yytext+2); | |
156 | return OPTION_Aarch; | |
157 | } | |
3d2b83ea SC |
158 | |
159 | <MRI,EXPRESSION>"$"([0-9A-Fa-f])+ { | |
160 | yylval.integer = strtol(yytext+1, 0,16); | |
161 | return INT; | |
162 | } | |
163 | ||
164 | <MRI,EXPRESSION>([0-9A-Fa-f])+(H|X|B|O|D) | |
165 | { | |
166 | int base ; | |
167 | switch (yytext[yyleng-1]) { | |
168 | case 'X': | |
169 | case 'H': | |
170 | base = 16; | |
171 | break; | |
172 | case 'O': | |
173 | base = 8; | |
174 | break; | |
175 | case 'B': | |
176 | base = 2; | |
177 | break; | |
178 | default: | |
179 | base = 10; | |
180 | } | |
181 | yylval.integer = strtol(yytext+1, 0, base); | |
182 | return INT; | |
183 | } | |
184 | <MRI,BOTH,EXPRESSION>"$"?"0x"?([0-9A-Fa-f])+(M|K|m|k)? { | |
9d1fe8a4 SC |
185 | yylval.integer = strtol(yytext,0,hex_mode); |
186 | if (yytext[yyleng-1]=='M' | |
187 | || yytext[yyleng-1] == 'm') { | |
188 | yylval.integer *= 1024*1024; | |
189 | } | |
190 | if (yytext[yyleng-1]=='K' | |
191 | || yytext[yyleng-1]=='k') { | |
192 | yylval.integer *= 1024; | |
193 | } | |
194 | return INT; | |
195 | } | |
196 | <BOTH,SCRIPT,EXPRESSION>"]" { RTOKEN(']');} | |
197 | <BOTH,SCRIPT,EXPRESSION>"[" { RTOKEN('[');} | |
198 | <BOTH,SCRIPT,EXPRESSION>"<<=" { RTOKEN(LSHIFTEQ);} | |
199 | <BOTH,SCRIPT,EXPRESSION>">>=" { RTOKEN(RSHIFTEQ);} | |
200 | <BOTH,SCRIPT,EXPRESSION>"||" { RTOKEN(OROR);} | |
201 | <BOTH,SCRIPT,EXPRESSION>"==" { RTOKEN(EQ);} | |
202 | <BOTH,SCRIPT,EXPRESSION>"!=" { RTOKEN(NE);} | |
203 | <BOTH,SCRIPT,EXPRESSION>">=" { RTOKEN(GE);} | |
204 | <BOTH,SCRIPT,EXPRESSION>"<=" { RTOKEN(LE);} | |
205 | <BOTH,SCRIPT,EXPRESSION>"<<" { RTOKEN(LSHIFT);} | |
206 | <BOTH,SCRIPT,EXPRESSION>">>" { RTOKEN(RSHIFT);} | |
207 | <BOTH,SCRIPT,EXPRESSION>"+=" { RTOKEN(PLUSEQ);} | |
208 | <BOTH,SCRIPT,EXPRESSION>"-=" { RTOKEN(MINUSEQ);} | |
209 | <BOTH,SCRIPT,EXPRESSION>"*=" { RTOKEN(MULTEQ);} | |
210 | <BOTH,SCRIPT,EXPRESSION>"/=" { RTOKEN(DIVEQ);} | |
211 | <BOTH,SCRIPT,EXPRESSION>"&=" { RTOKEN(ANDEQ);} | |
212 | <BOTH,SCRIPT,EXPRESSION>"|=" { RTOKEN(OREQ);} | |
213 | <BOTH,SCRIPT,EXPRESSION>"&&" { RTOKEN(ANDAND);} | |
214 | <BOTH,SCRIPT,EXPRESSION>">" { RTOKEN('>');} | |
3d2b83ea | 215 | <MRI,BOTH,SCRIPT,EXPRESSION>"," { RTOKEN(',');} |
9d1fe8a4 SC |
216 | <BOTH,SCRIPT,EXPRESSION>"&" { RTOKEN('&');} |
217 | <BOTH,SCRIPT,EXPRESSION>"|" { RTOKEN('|');} | |
218 | <BOTH,SCRIPT,EXPRESSION>"~" { RTOKEN('~');} | |
219 | <BOTH,SCRIPT,EXPRESSION>"!" { RTOKEN('!');} | |
220 | <BOTH,SCRIPT,EXPRESSION>"?" { RTOKEN('?');} | |
221 | <BOTH,SCRIPT,EXPRESSION>"*" { RTOKEN('*');} | |
222 | <BOTH,SCRIPT,EXPRESSION>"+" { RTOKEN('+');} | |
223 | <BOTH,SCRIPT,EXPRESSION>"-" { RTOKEN('-');} | |
224 | <BOTH,SCRIPT,EXPRESSION>"/" { RTOKEN('/');} | |
225 | <BOTH,SCRIPT,EXPRESSION>"%" { RTOKEN('%');} | |
226 | <BOTH,SCRIPT,EXPRESSION>"<" { RTOKEN('<');} | |
227 | <BOTH,SCRIPT,EXPRESSION>">" { RTOKEN('>');} | |
3d2b83ea | 228 | <MRI,BOTH,SCRIPT,EXPRESSION>"=" { RTOKEN('=');} |
9d1fe8a4 SC |
229 | <BOTH,SCRIPT,EXPRESSION>"}" { RTOKEN('}') ; } |
230 | <BOTH,SCRIPT,EXPRESSION>"{" { RTOKEN('{'); } | |
231 | <BOTH,SCRIPT,EXPRESSION>")" { RTOKEN(')');} | |
232 | <BOTH,SCRIPT,EXPRESSION>"(" { RTOKEN('(');} | |
233 | <BOTH,SCRIPT,EXPRESSION>"]" { RTOKEN(']');} | |
234 | <BOTH,SCRIPT,EXPRESSION>"[" { RTOKEN('[');} | |
235 | <BOTH,SCRIPT,EXPRESSION>":" { RTOKEN(':'); } | |
236 | <BOTH,SCRIPT,EXPRESSION>";" { RTOKEN(';');} | |
237 | <BOTH,SCRIPT,EXPRESSION>"-" { RTOKEN('-');} | |
238 | <BOTH,SCRIPT,EXPRESSION>"/" { RTOKEN('/');} | |
239 | <BOTH,SCRIPT>"MEMORY" { RTOKEN(MEMORY);} | |
240 | <BOTH,SCRIPT>"ORIGIN" { RTOKEN(ORIGIN);} | |
241 | <BOTH,SCRIPT>"BLOCK" { RTOKEN(BLOCK);} | |
242 | <BOTH,SCRIPT>"LENGTH" { RTOKEN(LENGTH);} | |
243 | <EXPRESSION,BOTH,SCRIPT>"ALIGN" { RTOKEN(ALIGN_K);} | |
244 | <EXPRESSION,BOTH,SCRIPT>"ADDR" { RTOKEN(ADDR);} | |
245 | <BOTH,SCRIPT>"ENTRY" { RTOKEN(ENTRY);} | |
246 | <EXPRESSION,BOTH,SCRIPT>"NEXT" { RTOKEN(NEXT);} | |
247 | <EXPRESSION,BOTH,SCRIPT>"sizeof_headers" { RTOKEN(SIZEOF_HEADERS);} | |
248 | <EXPRESSION,BOTH,SCRIPT>"SIZEOF_HEADERS" { RTOKEN(SIZEOF_HEADERS);} | |
249 | <BOTH,SCRIPT>"MAP" { RTOKEN(MAP);} | |
250 | <EXPRESSION,BOTH,SCRIPT>"SIZEOF" { RTOKEN(SIZEOF);} | |
251 | <BOTH,SCRIPT>"TARGET" { RTOKEN(TARGET_K);} | |
252 | <BOTH,SCRIPT>"SEARCH_DIR" { RTOKEN(SEARCH_DIR);} | |
253 | <BOTH,SCRIPT>"OUTPUT" { RTOKEN(OUTPUT);} | |
254 | <BOTH,SCRIPT>"INPUT" { RTOKEN(INPUT);} | |
255 | <BOTH,SCRIPT>"DEFINED" { RTOKEN(DEFINED);} | |
256 | <BOTH,SCRIPT>"CREATE_OBJECT_SYMBOLS" { RTOKEN(CREATE_OBJECT_SYMBOLS);} | |
257 | <BOTH,SCRIPT>"CONSTRUCTORS" { RTOKEN( CONSTRUCTORS);} | |
258 | <BOTH,SCRIPT>"FORCE_COMMON_ALLOCATION" { RTOKEN(FORCE_COMMON_ALLOCATION);} | |
259 | <BOTH,SCRIPT>"SECTIONS" { RTOKEN(SECTIONS);} | |
260 | <BOTH,SCRIPT>"FILL" { RTOKEN(FILL);} | |
261 | <BOTH,SCRIPT>"STARTUP" { RTOKEN(STARTUP);} | |
262 | <BOTH,SCRIPT>"OUTPUT_FORMAT" { RTOKEN(OUTPUT_FORMAT);} | |
263 | <BOTH,SCRIPT>"OUTPUT_ARCH" { RTOKEN( OUTPUT_ARCH);} | |
264 | <BOTH,SCRIPT>"HLL" { RTOKEN(HLL);} | |
265 | <BOTH,SCRIPT>"SYSLIB" { RTOKEN(SYSLIB);} | |
266 | <BOTH,SCRIPT>"FLOAT" { RTOKEN(FLOAT);} | |
267 | <BOTH,SCRIPT>"LONG" { RTOKEN( LONG);} | |
268 | <BOTH,SCRIPT>"SHORT" { RTOKEN( SHORT);} | |
269 | <BOTH,SCRIPT>"BYTE" { RTOKEN( BYTE);} | |
270 | <BOTH,SCRIPT>"NOFLOAT" { RTOKEN(NOFLOAT);} | |
271 | <BOTH,SCRIPT>"NOLOAD" { RTOKEN(NOLOAD);} | |
272 | <BOTH,SCRIPT>"DSECT" { RTOKEN(DSECT);} | |
273 | <BOTH,SCRIPT>"COPY" { RTOKEN(COPY);} | |
274 | <BOTH,SCRIPT>"INFO" { RTOKEN(INFO);} | |
275 | <BOTH,SCRIPT>"OVERLAY" { RTOKEN(OVERLAY);} | |
276 | <BOTH,SCRIPT>"o" { RTOKEN(ORIGIN);} | |
277 | <BOTH,SCRIPT>"org" { RTOKEN(ORIGIN);} | |
278 | <BOTH,SCRIPT>"l" { RTOKEN( LENGTH);} | |
279 | <BOTH,SCRIPT>"len" { RTOKEN( LENGTH);} | |
2e38b71d | 280 | <MRI>"\n" { ++ lineno; RTOKEN(NEWLINE); } |
3d2b83ea | 281 | <MRI>^"*".* { /* Mri comment line */ } |
2e38b71d | 282 | <MRI>"END" { RTOKEN(ENDWORD); } |
3d2b83ea SC |
283 | <MRI>"CHIP" { RTOKEN(CHIP); } |
284 | <MRI>"LOAD" { RTOKEN(LOAD); } | |
2e38b71d SC |
285 | <MRI>"ORDER" { RTOKEN(ORDER); } |
286 | <MRI>"NAME" { RTOKEN(NAMEWORD); } | |
287 | <MRI>"FORMAT" { RTOKEN(FORMAT); } | |
288 | <MRI>"LIST".* { RTOKEN(LIST); /* LIST and ignore to end of line */ } | |
3d2b83ea SC |
289 | <MRI>"SECT" { RTOKEN(SECT); } |
290 | <MRI>"ABSOLUTE" { RTOKEN(ABSOLUTE); } | |
291 | ||
292 | <MRI,BOTH,EXPRESSION>{FILENAMECHAR1}{FILENAMECHAR}* { | |
9d1fe8a4 SC |
293 | yylval.name = buystring(yytext); |
294 | return NAME; | |
295 | } | |
296 | <SCRIPT,COMMAND>{FILENAMECHAR}* { yylval.name = buystring(yytext); | |
297 | return NAME; | |
298 | } | |
299 | ||
300 | <EXPRESSION,BOTH,COMMAND,SCRIPT>"\""[^\"]*"\"" { | |
301 | /* No matter the state, quotes | |
302 | give what's inside */ | |
303 | yylval.name = buystring(yytext+1); | |
304 | yylval.name[yyleng-2] = 0; | |
305 | return NAME; | |
306 | } | |
307 | <BOTH,SCRIPT,EXPRESSION>"\n" { lineno++;} | |
3d2b83ea | 308 | <MRI,COMMAND,BOTH,SCRIPT,EXPRESSION>[ \t] |
9d1fe8a4 SC |
309 | |
310 | "/*" { old = INITIAL; BEGIN(COMMENT); } | |
311 | <COMMAND>"/*" { old = COMMAND; BEGIN(COMMENT); } | |
312 | <BOTH>"/*" { old =BOTH; BEGIN(COMMENT); } | |
313 | <SCRIPT>"/*" { old = EXPRESSION; BEGIN(COMMENT); } | |
314 | <EXPRESSION>"/*" { old = SCRIPT; BEGIN(COMMENT); } | |
315 | "/*" { old = INITIAL; BEGIN(COMMENT); } | |
316 | <COMMENT>[^*\\n]* | |
317 | <COMMENT>"*"+[^*/\\n]* | |
318 | <COMMENT>\\n { ++lineno;} | |
319 | <COMMENT>"*"+"/" { BEGIN(old); } | |
320 | ||
3d2b83ea | 321 | |
9d1fe8a4 SC |
322 | <<EOF>> { |
323 | include_stack_ptr--; | |
324 | ||
325 | if (include_stack_ptr == 0) | |
326 | { | |
327 | yyterminate(); | |
328 | } | |
329 | else | |
330 | { | |
331 | yy_switch_to_buffer(include_stack[include_stack_ptr]); | |
332 | } | |
333 | BEGIN(COMMAND); | |
334 | return END; | |
2fa0b342 | 335 | } |
9d1fe8a4 | 336 | |
2fa0b342 | 337 | |
2fa0b342 DHW |
338 | |
339 | ||
2fa0b342 | 340 | |
2fa0b342 | 341 | |
2fa0b342 DHW |
342 | |
343 | ||
9d1fe8a4 | 344 | %% |
2fa0b342 DHW |
345 | |
346 | void | |
9d1fe8a4 SC |
347 | DEFUN(lex_push_file,(file), |
348 | FILE *file) | |
2fa0b342 | 349 | { |
9d1fe8a4 SC |
350 | if (include_stack_ptr >= MAX_INCLUDE_DEPTH) |
351 | { | |
352 | einfo("%F:includes nested too deeply"); | |
2fa0b342 | 353 | } |
9d1fe8a4 SC |
354 | include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER; |
355 | yyin = file; | |
356 | yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE)); | |
2fa0b342 | 357 | |
9d1fe8a4 | 358 | BEGIN(SCRIPT); |
2fa0b342 DHW |
359 | } |
360 | ||
9d1fe8a4 SC |
361 | YY_BUFFER_STATE |
362 | DEFUN(yy_create_string_buffer,(string, size), | |
363 | CONST char *string AND | |
364 | int size ) | |
2fa0b342 | 365 | { |
9d1fe8a4 | 366 | YY_BUFFER_STATE b; |
2fa0b342 | 367 | |
9d1fe8a4 SC |
368 | b = (YY_BUFFER_STATE) malloc( sizeof( struct yy_buffer_state ) ); |
369 | b->yy_input_file = 0; | |
370 | ||
371 | if ( ! b ) | |
372 | YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); | |
2fa0b342 | 373 | |
9d1fe8a4 | 374 | b->yy_buf_size = size; |
2fa0b342 | 375 | |
9d1fe8a4 SC |
376 | /* yy_ch_buf has to be 2 characters longer than the size given because |
377 | * we need to put in 2 end-of-buffer characters. | |
378 | */ | |
379 | b->yy_ch_buf = (YY_CHAR *) malloc( (unsigned) (b->yy_buf_size + 3) ); | |
2fa0b342 | 380 | |
9d1fe8a4 SC |
381 | if ( ! b->yy_ch_buf ) |
382 | YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); | |
2fa0b342 DHW |
383 | |
384 | ||
9d1fe8a4 SC |
385 | b->yy_ch_buf[0] = '\n'; |
386 | strcpy(b->yy_ch_buf+1, string); | |
387 | b->yy_ch_buf[size+1] = YY_END_OF_BUFFER_CHAR; | |
388 | b->yy_ch_buf[size+2] = YY_END_OF_BUFFER_CHAR; | |
389 | b->yy_n_chars = size+1; | |
390 | b->yy_buf_pos = &b->yy_ch_buf[1]; | |
2fa0b342 | 391 | |
9d1fe8a4 | 392 | b->yy_eof_status = EOF_NOT_SEEN; |
2fa0b342 | 393 | |
9d1fe8a4 | 394 | return ( b ); |
2fa0b342 | 395 | } |
2fa0b342 | 396 | |
2fa0b342 | 397 | |
1418c83b | 398 | |
9d1fe8a4 SC |
399 | void |
400 | DEFUN(lex_redirect,( string), | |
401 | CONST char *string) | |
402 | { | |
403 | YY_BUFFER_STATE tmp; | |
1d45ccb3 | 404 | |
9d1fe8a4 SC |
405 | int len = strlen(string); |
406 | yy_init = 0 ; | |
407 | if (include_stack_ptr >= MAX_INCLUDE_DEPTH) | |
408 | { | |
409 | einfo("%F: macros nested too deeply"); | |
1418c83b | 410 | } |
9d1fe8a4 | 411 | include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER; |
1418c83b | 412 | |
9d1fe8a4 SC |
413 | tmp = yy_create_string_buffer(string, len); |
414 | ||
415 | yy_switch_to_buffer(tmp); | |
416 | BEGIN(COMMAND); | |
417 | yyout = stdout; | |
418 | } | |
1d45ccb3 | 419 | |
9d1fe8a4 SC |
420 | int state_stack[20]; |
421 | int *state_stack_p = state_stack; | |
1d45ccb3 | 422 | |
9d1fe8a4 SC |
423 | void |
424 | DEFUN_VOID(ldlex_script) | |
425 | { | |
426 | *(state_stack_p)++ = yy_start; | |
1d45ccb3 | 427 | |
9d1fe8a4 SC |
428 | BEGIN(SCRIPT); |
429 | } | |
1418c83b | 430 | |
2fa0b342 | 431 | |
3d2b83ea SC |
432 | void |
433 | DEFUN_VOID(ldlex_mri_script) | |
434 | { | |
435 | *(state_stack_p)++ = yy_start; | |
436 | BEGIN(MRI); | |
437 | } | |
438 | ||
9d1fe8a4 SC |
439 | void |
440 | DEFUN_VOID(ldlex_expression) | |
441 | { | |
442 | *(state_stack_p)++ = yy_start; | |
443 | BEGIN(EXPRESSION); | |
1d45ccb3 | 444 | |
9d1fe8a4 SC |
445 | } |
446 | void | |
447 | DEFUN_VOID(ldlex_both) | |
448 | { | |
449 | *(state_stack_p)++ = yy_start; | |
450 | BEGIN(BOTH); | |
451 | } | |
452 | void | |
453 | DEFUN_VOID(ldlex_command) | |
454 | { | |
455 | *(state_stack_p)++ = yy_start; | |
456 | BEGIN(COMMAND); | |
2fa0b342 DHW |
457 | } |
458 | ||
9d1fe8a4 SC |
459 | void |
460 | DEFUN_VOID(ldlex_popstate) | |
461 | { | |
462 | yy_start = *(--state_stack_p); | |
463 | } | |
2fa0b342 | 464 | |
9d1fe8a4 SC |
465 | yy_input(buf, result, max_size) |
466 | char *buf; | |
467 | int *result; | |
468 | int max_size; | |
469 | { | |
470 | *result = 0; | |
471 | if (yy_current_buffer->yy_input_file) | |
472 | { | |
473 | if (yyin) | |
474 | if ( (*result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) | |
475 | YY_FATAL_ERROR( "read() in flex scanner failed" ); | |
476 | } | |
477 | } | |
2fa0b342 | 478 |