Commit | Line | Data |
---|---|---|
2fa0b342 | 1 | %{ |
0d3e45ea | 2 | |
2fa0b342 DHW |
3 | /* Copyright (C) 1991 Free Software Foundation, Inc. |
4 | ||
5 | This file is part of GLD, the Gnu Linker. | |
6 | ||
7 | GLD is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
2e2bf962 | 9 | the Free Software Foundation; either version 2, or (at your option) |
2fa0b342 DHW |
10 | any later version. |
11 | ||
12 | GLD is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GLD; see the file COPYING. If not, write to | |
19 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
20 | ||
21 | /* | |
9d1fe8a4 SC |
22 | This was written by steve chamberlain |
23 | sac@cygnus.com | |
2fa0b342 DHW |
24 | */ |
25 | ||
26 | ||
9d1fe8a4 SC |
27 | typedef int bfd_vma; |
28 | #include <ansidecl.h> | |
29 | #include "ldgram.h" | |
2fa0b342 | 30 | |
9d1fe8a4 SC |
31 | int ldgram_in_defsym; |
32 | int ldgram_had_equals; | |
33 | int ldgram_in_script; | |
2fa0b342 | 34 | |
9d1fe8a4 SC |
35 | int hex_mode; |
36 | extern int fgetc(); | |
37 | extern int yyparse(); | |
2fa0b342 | 38 | |
2fa0b342 | 39 | |
2e2bf962 | 40 | |
9d1fe8a4 | 41 | char *buystring(); |
7ca04d28 | 42 | |
dc4726c2 | 43 | unsigned int lineno = 1; |
9d1fe8a4 | 44 | int old; |
1d45ccb3 | 45 | |
6bf2e3a7 SC |
46 | comment() |
47 | { | |
48 | int c; | |
49 | while (1) | |
50 | { | |
51 | c = input(); | |
52 | while (c !='*' && c != EOF) | |
53 | { | |
54 | if (c == '\n') lineno++; | |
55 | c = input(); | |
56 | } | |
57 | ||
58 | ||
59 | if (c == '*') | |
60 | { | |
61 | c = input(); | |
62 | while ( c == '*') | |
63 | c = input(); | |
64 | if ( c == '/' ) | |
65 | break; /* found the end */ | |
66 | } | |
67 | ||
68 | if ( c == EOF ) | |
69 | { | |
70 | einfo( "%F%P :EOF in comment"); | |
71 | break; | |
72 | } | |
73 | } | |
74 | } | |
75 | ||
76 | ||
9d1fe8a4 SC |
77 | #undef YY_INPUT |
78 | #define YY_INPUT(buf,result,max_size) yy_input(buf, &result, max_size) | |
79 | #undef YY_FATAL_ERROR | |
80 | #define YY_FATAL_ERROR ; | |
81 | #define MAX_INCLUDE_DEPTH 10 | |
82 | YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH]; | |
83 | unsigned int include_stack_ptr = 0; | |
2fa0b342 | 84 | |
2fa0b342 | 85 | |
3d2b83ea | 86 | /* STATES |
9d1fe8a4 SC |
87 | COMMAND on command line |
88 | COMMENT in a C comment | |
89 | EXPRESSION definiatelyt in an expression | |
90 | SCRIPT definately in a script | |
91 | SOMEWHERE either EXPRESSION or SCRIPT | |
3d2b83ea | 92 | MRI in an MRI script |
9d1fe8a4 | 93 | */ |
2fa0b342 | 94 | #define RTOKEN(x) { yylval.token = x; return x; } |
9d1fe8a4 | 95 | %} |
2fa0b342 | 96 | |
9d1fe8a4 SC |
97 | %a 4000 |
98 | %o 5000 | |
ee0c4cf7 | 99 | |
6bf2e3a7 SC |
100 | CMDFILENAMECHAR [_a-zA-Z0-9\/\.\\_\+\$\:\[\]\\\,\=\&\!\<\>\-\~] |
101 | CMDFILENAMECHAR1 [_a-zA-Z0-9\/\.\\_\+\$\:\[\]\\\,\=\&\!\<\>\~] | |
102 | FILENAMECHAR1 [_a-zA-Z\/\.\\\$\_\~] | |
0d3e45ea | 103 | SYMBOLCHARN [_a-zA-Z\/\.\\0-9] |
6bf2e3a7 | 104 | FILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~] |
9d1fe8a4 SC |
105 | FILENAME {FILENAMECHAR}+ |
106 | WHITE [ \t\n]+ | |
2fa0b342 | 107 | |
91e25b4f PB |
108 | %s COMMAND |
109 | %s SCRIPT | |
110 | %s EXPRESSION | |
111 | %s COMMENT | |
112 | %s BOTH | |
113 | %s DEFSYMEXP | |
114 | %s MRI | |
9d1fe8a4 | 115 | %% |
91e25b4f | 116 | |
6bf2e3a7 SC |
117 | |
118 | <BOTH,SCRIPT,EXPRESSION,COMMAND>"/*" { comment(); } | |
119 | ||
120 | ||
0d3e45ea SC |
121 | <DEFSYMEXP>"-" { RTOKEN('-');} |
122 | <DEFSYMEXP>"+" { RTOKEN('+');} | |
123 | <DEFSYMEXP>{FILENAMECHAR1}{SYMBOLCHARN}* { yylval.name = buystring(yytext); return NAME; } | |
124 | <DEFSYMEXP>[ \t] { RTOKEN(DEFSYMEND); } | |
125 | <DEFSYMEXP>"=" { RTOKEN('='); } | |
126 | <COMMAND>"-defsym"{WHITE}* { return OPTION_defsym; } | |
9d1fe8a4 SC |
127 | <COMMAND>"-noinhibit_exec" { return OPTION_noinhibit_exec; } |
128 | <COMMAND>"-noinhibit-exec" { return OPTION_noinhibit_exec; } | |
129 | <COMMAND>"-sort_common" { return OPTION_sort_common;} | |
130 | <COMMAND>"-sort-common" { return OPTION_sort_common;} | |
131 | <COMMAND>"-format" { return OPTION_format; } | |
132 | <COMMAND>"-n" { return OPTION_n; } | |
133 | <COMMAND>"-N" { return OPTION_N; } | |
134 | <COMMAND>"-r" { return OPTION_r; } | |
135 | <COMMAND>"-relax" { return OPTION_relax; } | |
136 | <COMMAND>"-i" { return OPTION_r; } | |
137 | <COMMAND>"-Ur" { return OPTION_Ur; } | |
138 | <COMMAND>"-o" { return OPTION_o; } | |
139 | <COMMAND>"-g" { return OPTION_g; } | |
140 | <COMMAND>"-e" { return OPTION_e; } | |
141 | <COMMAND>"-b" { return OPTION_b; } | |
142 | <COMMAND>"-dc" { return OPTION_dc; } | |
143 | <COMMAND>"-dp" { return OPTION_dp; } | |
144 | <COMMAND>"-d" { return OPTION_d; } | |
145 | <COMMAND>"-v" { return OPTION_v; } | |
146 | <COMMAND>"-V" { return OPTION_V; } | |
147 | <COMMAND>"-M" { return OPTION_M; } | |
148 | <COMMAND>"-Map" { return OPTION_Map;} | |
149 | <COMMAND>"-t" { return OPTION_t; } | |
150 | <COMMAND>"-X" { return OPTION_X; } | |
151 | <COMMAND>"-x" { return OPTION_x; } | |
152 | <COMMAND>"-c" { return OPTION_c; } | |
153 | <COMMAND>"-R" { return OPTION_R; } | |
154 | <COMMAND>"-u" { return OPTION_u; } | |
155 | <COMMAND>"-s" { return OPTION_s; } | |
156 | <COMMAND>"-S" { return OPTION_S; } | |
157 | <COMMAND>"-Bstat" { return OPTION_Bstatic; } | |
158 | <COMMAND>"-B"{FILENAME} { /* Ignored */ } | |
159 | <COMMAND>"-l"{FILENAME} { | |
160 | yylval.name = buystring(yytext+2); | |
161 | return OPTION_l; | |
162 | } | |
163 | ||
164 | <COMMAND>"-L"{FILENAME} { | |
165 | yylval.name = buystring(yytext+2); | |
166 | return OPTION_L; | |
167 | } | |
168 | <COMMAND>"-Ttext" { | |
169 | yylval.name = ".text"; | |
170 | return OPTION_Texp; | |
171 | } | |
172 | <COMMAND>"-Tdata" { | |
173 | yylval.name = ".data"; | |
174 | return OPTION_Texp; | |
175 | } | |
176 | <COMMAND>"-Tbss" { | |
177 | yylval.name = ".bss"; | |
178 | return OPTION_Texp; | |
179 | } | |
180 | <COMMAND>"-O"{FILENAME} { | |
181 | yylval.name = buystring(yytext+2); | |
182 | return OPTION_Texp; | |
183 | } | |
184 | ||
185 | <COMMAND>"-T"{FILENAME} { | |
186 | yylval.name = buystring(yytext+2); | |
187 | return OPTION_Tfile; | |
188 | } | |
189 | <COMMAND>"-T" { | |
190 | return OPTION_T; | |
191 | } | |
192 | ||
193 | <COMMAND>"-F"{FILENAME} { | |
194 | return OPTION_F; | |
195 | } | |
196 | <COMMAND>"-F" { | |
197 | return OPTION_F; | |
198 | } | |
199 | ||
200 | <COMMAND>"-A"{FILENAME} { | |
201 | yylval.name = buystring(yytext+2); | |
202 | return OPTION_Aarch; | |
203 | } | |
3d2b83ea SC |
204 | |
205 | <MRI,EXPRESSION>"$"([0-9A-Fa-f])+ { | |
dc4726c2 | 206 | yylval.integer = strtoul(yytext+1, 0,16); |
3d2b83ea SC |
207 | return INT; |
208 | } | |
209 | ||
91e25b4f | 210 | <MRI,EXPRESSION>([0-9A-Fa-f])+(H|X|B|O|D) { |
3d2b83ea SC |
211 | int base ; |
212 | switch (yytext[yyleng-1]) { | |
213 | case 'X': | |
214 | case 'H': | |
215 | base = 16; | |
216 | break; | |
217 | case 'O': | |
218 | base = 8; | |
219 | break; | |
220 | case 'B': | |
221 | base = 2; | |
222 | break; | |
223 | default: | |
224 | base = 10; | |
225 | } | |
dc4726c2 | 226 | yylval.integer = strtoul(yytext+1, 0, base); |
3d2b83ea SC |
227 | return INT; |
228 | } | |
ee0c4cf7 | 229 | <DEFSYMEXP,MRI,BOTH,EXPRESSION>"$"?"0x"?([0-9A-Fa-f])+(M|K|m|k)? { |
dc4726c2 | 230 | yylval.integer = strtoul(yytext,0,hex_mode); |
9d1fe8a4 SC |
231 | if (yytext[yyleng-1]=='M' |
232 | || yytext[yyleng-1] == 'm') { | |
233 | yylval.integer *= 1024*1024; | |
234 | } | |
235 | if (yytext[yyleng-1]=='K' | |
236 | || yytext[yyleng-1]=='k') { | |
237 | yylval.integer *= 1024; | |
238 | } | |
239 | return INT; | |
240 | } | |
241 | <BOTH,SCRIPT,EXPRESSION>"]" { RTOKEN(']');} | |
242 | <BOTH,SCRIPT,EXPRESSION>"[" { RTOKEN('[');} | |
243 | <BOTH,SCRIPT,EXPRESSION>"<<=" { RTOKEN(LSHIFTEQ);} | |
244 | <BOTH,SCRIPT,EXPRESSION>">>=" { RTOKEN(RSHIFTEQ);} | |
245 | <BOTH,SCRIPT,EXPRESSION>"||" { RTOKEN(OROR);} | |
246 | <BOTH,SCRIPT,EXPRESSION>"==" { RTOKEN(EQ);} | |
247 | <BOTH,SCRIPT,EXPRESSION>"!=" { RTOKEN(NE);} | |
248 | <BOTH,SCRIPT,EXPRESSION>">=" { RTOKEN(GE);} | |
249 | <BOTH,SCRIPT,EXPRESSION>"<=" { RTOKEN(LE);} | |
250 | <BOTH,SCRIPT,EXPRESSION>"<<" { RTOKEN(LSHIFT);} | |
251 | <BOTH,SCRIPT,EXPRESSION>">>" { RTOKEN(RSHIFT);} | |
252 | <BOTH,SCRIPT,EXPRESSION>"+=" { RTOKEN(PLUSEQ);} | |
253 | <BOTH,SCRIPT,EXPRESSION>"-=" { RTOKEN(MINUSEQ);} | |
254 | <BOTH,SCRIPT,EXPRESSION>"*=" { RTOKEN(MULTEQ);} | |
255 | <BOTH,SCRIPT,EXPRESSION>"/=" { RTOKEN(DIVEQ);} | |
256 | <BOTH,SCRIPT,EXPRESSION>"&=" { RTOKEN(ANDEQ);} | |
257 | <BOTH,SCRIPT,EXPRESSION>"|=" { RTOKEN(OREQ);} | |
258 | <BOTH,SCRIPT,EXPRESSION>"&&" { RTOKEN(ANDAND);} | |
259 | <BOTH,SCRIPT,EXPRESSION>">" { RTOKEN('>');} | |
3d2b83ea | 260 | <MRI,BOTH,SCRIPT,EXPRESSION>"," { RTOKEN(',');} |
9d1fe8a4 SC |
261 | <BOTH,SCRIPT,EXPRESSION>"&" { RTOKEN('&');} |
262 | <BOTH,SCRIPT,EXPRESSION>"|" { RTOKEN('|');} | |
263 | <BOTH,SCRIPT,EXPRESSION>"~" { RTOKEN('~');} | |
264 | <BOTH,SCRIPT,EXPRESSION>"!" { RTOKEN('!');} | |
265 | <BOTH,SCRIPT,EXPRESSION>"?" { RTOKEN('?');} | |
266 | <BOTH,SCRIPT,EXPRESSION>"*" { RTOKEN('*');} | |
267 | <BOTH,SCRIPT,EXPRESSION>"+" { RTOKEN('+');} | |
268 | <BOTH,SCRIPT,EXPRESSION>"-" { RTOKEN('-');} | |
269 | <BOTH,SCRIPT,EXPRESSION>"/" { RTOKEN('/');} | |
270 | <BOTH,SCRIPT,EXPRESSION>"%" { RTOKEN('%');} | |
271 | <BOTH,SCRIPT,EXPRESSION>"<" { RTOKEN('<');} | |
272 | <BOTH,SCRIPT,EXPRESSION>">" { RTOKEN('>');} | |
3d2b83ea | 273 | <MRI,BOTH,SCRIPT,EXPRESSION>"=" { RTOKEN('=');} |
9d1fe8a4 SC |
274 | <BOTH,SCRIPT,EXPRESSION>"}" { RTOKEN('}') ; } |
275 | <BOTH,SCRIPT,EXPRESSION>"{" { RTOKEN('{'); } | |
276 | <BOTH,SCRIPT,EXPRESSION>")" { RTOKEN(')');} | |
277 | <BOTH,SCRIPT,EXPRESSION>"(" { RTOKEN('(');} | |
278 | <BOTH,SCRIPT,EXPRESSION>"]" { RTOKEN(']');} | |
279 | <BOTH,SCRIPT,EXPRESSION>"[" { RTOKEN('[');} | |
280 | <BOTH,SCRIPT,EXPRESSION>":" { RTOKEN(':'); } | |
281 | <BOTH,SCRIPT,EXPRESSION>";" { RTOKEN(';');} | |
282 | <BOTH,SCRIPT,EXPRESSION>"-" { RTOKEN('-');} | |
283 | <BOTH,SCRIPT,EXPRESSION>"/" { RTOKEN('/');} | |
284 | <BOTH,SCRIPT>"MEMORY" { RTOKEN(MEMORY);} | |
285 | <BOTH,SCRIPT>"ORIGIN" { RTOKEN(ORIGIN);} | |
286 | <BOTH,SCRIPT>"BLOCK" { RTOKEN(BLOCK);} | |
287 | <BOTH,SCRIPT>"LENGTH" { RTOKEN(LENGTH);} | |
288 | <EXPRESSION,BOTH,SCRIPT>"ALIGN" { RTOKEN(ALIGN_K);} | |
289 | <EXPRESSION,BOTH,SCRIPT>"ADDR" { RTOKEN(ADDR);} | |
290 | <BOTH,SCRIPT>"ENTRY" { RTOKEN(ENTRY);} | |
291 | <EXPRESSION,BOTH,SCRIPT>"NEXT" { RTOKEN(NEXT);} | |
292 | <EXPRESSION,BOTH,SCRIPT>"sizeof_headers" { RTOKEN(SIZEOF_HEADERS);} | |
293 | <EXPRESSION,BOTH,SCRIPT>"SIZEOF_HEADERS" { RTOKEN(SIZEOF_HEADERS);} | |
294 | <BOTH,SCRIPT>"MAP" { RTOKEN(MAP);} | |
295 | <EXPRESSION,BOTH,SCRIPT>"SIZEOF" { RTOKEN(SIZEOF);} | |
296 | <BOTH,SCRIPT>"TARGET" { RTOKEN(TARGET_K);} | |
297 | <BOTH,SCRIPT>"SEARCH_DIR" { RTOKEN(SEARCH_DIR);} | |
298 | <BOTH,SCRIPT>"OUTPUT" { RTOKEN(OUTPUT);} | |
299 | <BOTH,SCRIPT>"INPUT" { RTOKEN(INPUT);} | |
300 | <BOTH,SCRIPT>"DEFINED" { RTOKEN(DEFINED);} | |
301 | <BOTH,SCRIPT>"CREATE_OBJECT_SYMBOLS" { RTOKEN(CREATE_OBJECT_SYMBOLS);} | |
302 | <BOTH,SCRIPT>"CONSTRUCTORS" { RTOKEN( CONSTRUCTORS);} | |
303 | <BOTH,SCRIPT>"FORCE_COMMON_ALLOCATION" { RTOKEN(FORCE_COMMON_ALLOCATION);} | |
304 | <BOTH,SCRIPT>"SECTIONS" { RTOKEN(SECTIONS);} | |
305 | <BOTH,SCRIPT>"FILL" { RTOKEN(FILL);} | |
306 | <BOTH,SCRIPT>"STARTUP" { RTOKEN(STARTUP);} | |
307 | <BOTH,SCRIPT>"OUTPUT_FORMAT" { RTOKEN(OUTPUT_FORMAT);} | |
308 | <BOTH,SCRIPT>"OUTPUT_ARCH" { RTOKEN( OUTPUT_ARCH);} | |
309 | <BOTH,SCRIPT>"HLL" { RTOKEN(HLL);} | |
310 | <BOTH,SCRIPT>"SYSLIB" { RTOKEN(SYSLIB);} | |
311 | <BOTH,SCRIPT>"FLOAT" { RTOKEN(FLOAT);} | |
312 | <BOTH,SCRIPT>"LONG" { RTOKEN( LONG);} | |
313 | <BOTH,SCRIPT>"SHORT" { RTOKEN( SHORT);} | |
314 | <BOTH,SCRIPT>"BYTE" { RTOKEN( BYTE);} | |
315 | <BOTH,SCRIPT>"NOFLOAT" { RTOKEN(NOFLOAT);} | |
316 | <BOTH,SCRIPT>"NOLOAD" { RTOKEN(NOLOAD);} | |
317 | <BOTH,SCRIPT>"DSECT" { RTOKEN(DSECT);} | |
318 | <BOTH,SCRIPT>"COPY" { RTOKEN(COPY);} | |
319 | <BOTH,SCRIPT>"INFO" { RTOKEN(INFO);} | |
320 | <BOTH,SCRIPT>"OVERLAY" { RTOKEN(OVERLAY);} | |
321 | <BOTH,SCRIPT>"o" { RTOKEN(ORIGIN);} | |
322 | <BOTH,SCRIPT>"org" { RTOKEN(ORIGIN);} | |
323 | <BOTH,SCRIPT>"l" { RTOKEN( LENGTH);} | |
324 | <BOTH,SCRIPT>"len" { RTOKEN( LENGTH);} | |
2e38b71d | 325 | <MRI>"\n" { ++ lineno; RTOKEN(NEWLINE); } |
91e25b4f | 326 | <MRI>"*".* { /* Mri comment line */ } |
2e38b71d | 327 | <MRI>"END" { RTOKEN(ENDWORD); } |
3d2b83ea | 328 | <MRI>"CHIP" { RTOKEN(CHIP); } |
91e25b4f PB |
329 | <MRI>"BASE" { RTOKEN(BASE); } |
330 | <MRI>"ALIAS" { RTOKEN(ALIAS); } | |
3d2b83ea | 331 | <MRI>"LOAD" { RTOKEN(LOAD); } |
91e25b4f | 332 | <MRI>"PUBLIC" { RTOKEN(PUBLIC); } |
2e38b71d SC |
333 | <MRI>"ORDER" { RTOKEN(ORDER); } |
334 | <MRI>"NAME" { RTOKEN(NAMEWORD); } | |
335 | <MRI>"FORMAT" { RTOKEN(FORMAT); } | |
336 | <MRI>"LIST".* { RTOKEN(LIST); /* LIST and ignore to end of line */ } | |
3d2b83ea | 337 | <MRI>"SECT" { RTOKEN(SECT); } |
6bf2e3a7 | 338 | <EXPRESSION,BOTH,SCRIPT,MRI>"ABSOLUTE" { RTOKEN(ABSOLUTE); } |
1bd1fa2d SC |
339 | <MRI>"end" { RTOKEN(ENDWORD); } |
340 | <MRI>"chip" { RTOKEN(CHIP); } | |
341 | <MRI>"load" { RTOKEN(LOAD); } | |
342 | <MRI>"order" { RTOKEN(ORDER); } | |
343 | <MRI>"name" { RTOKEN(NAMEWORD); } | |
344 | <MRI>"format" { RTOKEN(FORMAT); } | |
345 | <MRI>"list".* { RTOKEN(LIST); /* LIST and ignore to end of line */ } | |
346 | <MRI>"sect" { RTOKEN(SECT); } | |
6bf2e3a7 | 347 | <EXPRESSION,BOTH,SCRIPT,MRI>"absolute" { RTOKEN(ABSOLUTE); } |
3d2b83ea | 348 | |
ee0c4cf7 SC |
349 | <COMMAND>{CMDFILENAMECHAR1}{CMDFILENAMECHAR}* { |
350 | yylval.name = buystring(yytext); | |
351 | return NAME; | |
352 | } | |
353 | ||
354 | ||
3d2b83ea | 355 | <MRI,BOTH,EXPRESSION>{FILENAMECHAR1}{FILENAMECHAR}* { |
9d1fe8a4 SC |
356 | yylval.name = buystring(yytext); |
357 | return NAME; | |
358 | } | |
359 | <SCRIPT,COMMAND>{FILENAMECHAR}* { yylval.name = buystring(yytext); | |
360 | return NAME; | |
361 | } | |
362 | ||
363 | <EXPRESSION,BOTH,COMMAND,SCRIPT>"\""[^\"]*"\"" { | |
364 | /* No matter the state, quotes | |
365 | give what's inside */ | |
366 | yylval.name = buystring(yytext+1); | |
367 | yylval.name[yyleng-2] = 0; | |
368 | return NAME; | |
369 | } | |
370 | <BOTH,SCRIPT,EXPRESSION>"\n" { lineno++;} | |
3d2b83ea | 371 | <MRI,COMMAND,BOTH,SCRIPT,EXPRESSION>[ \t] |
9d1fe8a4 | 372 | |
9d1fe8a4 SC |
373 | <<EOF>> { |
374 | include_stack_ptr--; | |
375 | ||
376 | if (include_stack_ptr == 0) | |
377 | { | |
378 | yyterminate(); | |
379 | } | |
380 | else | |
381 | { | |
382 | yy_switch_to_buffer(include_stack[include_stack_ptr]); | |
383 | } | |
384 | BEGIN(COMMAND); | |
385 | return END; | |
2fa0b342 | 386 | } |
9d1fe8a4 | 387 | |
9d1fe8a4 | 388 | %% |
2fa0b342 DHW |
389 | |
390 | void | |
9d1fe8a4 SC |
391 | DEFUN(lex_push_file,(file), |
392 | FILE *file) | |
2fa0b342 | 393 | { |
9d1fe8a4 SC |
394 | if (include_stack_ptr >= MAX_INCLUDE_DEPTH) |
395 | { | |
396 | einfo("%F:includes nested too deeply"); | |
2fa0b342 | 397 | } |
9d1fe8a4 SC |
398 | include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER; |
399 | yyin = file; | |
400 | yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE)); | |
2fa0b342 | 401 | |
9d1fe8a4 | 402 | BEGIN(SCRIPT); |
2fa0b342 DHW |
403 | } |
404 | ||
9d1fe8a4 SC |
405 | YY_BUFFER_STATE |
406 | DEFUN(yy_create_string_buffer,(string, size), | |
407 | CONST char *string AND | |
408 | int size ) | |
2fa0b342 | 409 | { |
9d1fe8a4 | 410 | YY_BUFFER_STATE b; |
2fa0b342 | 411 | |
9d1fe8a4 SC |
412 | b = (YY_BUFFER_STATE) malloc( sizeof( struct yy_buffer_state ) ); |
413 | b->yy_input_file = 0; | |
414 | ||
415 | if ( ! b ) | |
416 | YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); | |
2fa0b342 | 417 | |
9d1fe8a4 | 418 | b->yy_buf_size = size; |
2fa0b342 | 419 | |
9d1fe8a4 SC |
420 | /* yy_ch_buf has to be 2 characters longer than the size given because |
421 | * we need to put in 2 end-of-buffer characters. | |
422 | */ | |
423 | b->yy_ch_buf = (YY_CHAR *) malloc( (unsigned) (b->yy_buf_size + 3) ); | |
2fa0b342 | 424 | |
9d1fe8a4 SC |
425 | if ( ! b->yy_ch_buf ) |
426 | YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); | |
2fa0b342 DHW |
427 | |
428 | ||
9d1fe8a4 SC |
429 | b->yy_ch_buf[0] = '\n'; |
430 | strcpy(b->yy_ch_buf+1, string); | |
431 | b->yy_ch_buf[size+1] = YY_END_OF_BUFFER_CHAR; | |
432 | b->yy_ch_buf[size+2] = YY_END_OF_BUFFER_CHAR; | |
433 | b->yy_n_chars = size+1; | |
434 | b->yy_buf_pos = &b->yy_ch_buf[1]; | |
2fa0b342 | 435 | |
9d1fe8a4 | 436 | b->yy_eof_status = EOF_NOT_SEEN; |
2fa0b342 | 437 | |
9d1fe8a4 | 438 | return ( b ); |
2fa0b342 | 439 | } |
2fa0b342 | 440 | |
2fa0b342 | 441 | |
1418c83b | 442 | |
9d1fe8a4 SC |
443 | void |
444 | DEFUN(lex_redirect,( string), | |
445 | CONST char *string) | |
446 | { | |
447 | YY_BUFFER_STATE tmp; | |
1d45ccb3 | 448 | |
9d1fe8a4 SC |
449 | int len = strlen(string); |
450 | yy_init = 0 ; | |
451 | if (include_stack_ptr >= MAX_INCLUDE_DEPTH) | |
452 | { | |
453 | einfo("%F: macros nested too deeply"); | |
1418c83b | 454 | } |
9d1fe8a4 | 455 | include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER; |
1418c83b | 456 | |
9d1fe8a4 SC |
457 | tmp = yy_create_string_buffer(string, len); |
458 | ||
459 | yy_switch_to_buffer(tmp); | |
460 | BEGIN(COMMAND); | |
461 | yyout = stdout; | |
462 | } | |
1d45ccb3 | 463 | |
9d1fe8a4 SC |
464 | int state_stack[20]; |
465 | int *state_stack_p = state_stack; | |
1d45ccb3 | 466 | |
9d1fe8a4 SC |
467 | void |
468 | DEFUN_VOID(ldlex_script) | |
469 | { | |
470 | *(state_stack_p)++ = yy_start; | |
1d45ccb3 | 471 | |
9d1fe8a4 SC |
472 | BEGIN(SCRIPT); |
473 | } | |
1418c83b | 474 | |
2fa0b342 | 475 | |
3d2b83ea SC |
476 | void |
477 | DEFUN_VOID(ldlex_mri_script) | |
478 | { | |
0d3e45ea SC |
479 | *(state_stack_p)++ = yy_start; |
480 | BEGIN(MRI); | |
481 | } | |
482 | ||
483 | void | |
484 | DEFUN_VOID(ldlex_defsym) | |
485 | { | |
486 | *(state_stack_p)++ = yy_start; | |
487 | BEGIN(DEFSYMEXP); | |
3d2b83ea SC |
488 | } |
489 | ||
9d1fe8a4 SC |
490 | void |
491 | DEFUN_VOID(ldlex_expression) | |
492 | { | |
493 | *(state_stack_p)++ = yy_start; | |
494 | BEGIN(EXPRESSION); | |
1d45ccb3 | 495 | |
9d1fe8a4 SC |
496 | } |
497 | void | |
498 | DEFUN_VOID(ldlex_both) | |
499 | { | |
500 | *(state_stack_p)++ = yy_start; | |
501 | BEGIN(BOTH); | |
502 | } | |
503 | void | |
504 | DEFUN_VOID(ldlex_command) | |
505 | { | |
506 | *(state_stack_p)++ = yy_start; | |
507 | BEGIN(COMMAND); | |
2fa0b342 DHW |
508 | } |
509 | ||
9d1fe8a4 SC |
510 | void |
511 | DEFUN_VOID(ldlex_popstate) | |
512 | { | |
513 | yy_start = *(--state_stack_p); | |
514 | } | |
2fa0b342 | 515 | |
9d1fe8a4 SC |
516 | yy_input(buf, result, max_size) |
517 | char *buf; | |
518 | int *result; | |
519 | int max_size; | |
520 | { | |
521 | *result = 0; | |
522 | if (yy_current_buffer->yy_input_file) | |
523 | { | |
524 | if (yyin) | |
525 | if ( (*result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) | |
526 | YY_FATAL_ERROR( "read() in flex scanner failed" ); | |
527 | } | |
528 | } | |
6bf2e3a7 | 529 |