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978a4d8b AC |
1 | /* This file is part of the program psim. |
2 | ||
3 | Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
18 | ||
19 | */ | |
20 | ||
21 | ||
22 | #include <stdio.h> | |
23 | #include <stdarg.h> | |
24 | #include <ctype.h> | |
25 | ||
26 | #include "config.h" | |
27 | #include "misc.h" | |
28 | #include "lf.h" | |
29 | ||
30 | #ifdef HAVE_STDLIB_H | |
31 | #include <stdlib.h> | |
32 | #endif | |
33 | ||
34 | #ifdef HAVE_STRING_H | |
35 | #include <string.h> | |
36 | #else | |
37 | #ifdef HAVE_STRINGS_H | |
38 | #include <strings.h> | |
39 | #endif | |
40 | #endif | |
41 | ||
42 | struct _lf { | |
43 | FILE *stream; | |
44 | int line_nr; /* nr complete lines written, curr line is line_nr+1 */ | |
45 | int indent; | |
46 | int line_blank; | |
47 | const char *name; | |
48 | const char *program; | |
49 | lf_file_references references; | |
50 | lf_file_type type; | |
51 | }; | |
52 | ||
53 | ||
54 | lf * | |
55 | lf_open(char *name, | |
56 | char *real_name, | |
57 | lf_file_references references, | |
58 | lf_file_type type, | |
59 | const char *program) | |
60 | { | |
61 | /* create a file object */ | |
62 | lf *new_lf = ZALLOC(lf); | |
63 | ASSERT(new_lf != NULL); | |
64 | new_lf->references = references; | |
65 | new_lf->type = type; | |
66 | new_lf->name = (real_name == NULL ? name : real_name); | |
67 | new_lf->program = program; | |
68 | /* attach to stdout if pipe */ | |
69 | if (!strcmp(name, "-")) { | |
70 | new_lf->stream = stdout; | |
71 | } | |
72 | else { | |
73 | /* create a new file */ | |
74 | new_lf->stream = fopen(name, "w"); | |
75 | if (new_lf->stream == NULL) { | |
76 | perror(name); | |
77 | exit(1); | |
78 | } | |
79 | } | |
80 | return new_lf; | |
81 | } | |
82 | ||
83 | ||
84 | void | |
85 | lf_close(lf *file) | |
86 | { | |
87 | if (file->stream != stdout) { | |
88 | if (fclose(file->stream)) { | |
89 | perror("lf_close.fclose"); | |
90 | exit(1); | |
91 | } | |
92 | free(file); | |
93 | } | |
94 | } | |
95 | ||
96 | ||
97 | int | |
98 | lf_putchr(lf *file, | |
99 | const char chr) | |
100 | { | |
101 | int nr = 0; | |
102 | if (chr == '\n') { | |
103 | file->line_nr += 1; | |
104 | file->line_blank = 1; | |
105 | } | |
106 | else if (file->line_blank) { | |
107 | int pad; | |
108 | for (pad = file->indent; pad > 0; pad--) | |
109 | putc(' ', file->stream); | |
110 | nr += file->indent; | |
111 | file->line_blank = 0; | |
112 | } | |
113 | putc(chr, file->stream); | |
114 | nr += 1; | |
115 | return nr; | |
116 | } | |
117 | ||
118 | void | |
119 | lf_indent_suppress(lf *file) | |
120 | { | |
121 | file->line_blank = 0; | |
122 | } | |
123 | ||
124 | ||
125 | int | |
126 | lf_putstr(lf *file, | |
127 | const char *string) | |
128 | { | |
129 | int nr = 0; | |
130 | const char *chp; | |
131 | if (string != NULL) { | |
132 | for (chp = string; *chp != '\0'; chp++) { | |
133 | nr += lf_putchr(file, *chp); | |
134 | } | |
135 | } | |
136 | return nr; | |
137 | } | |
138 | ||
139 | static int | |
140 | do_lf_putunsigned(lf *file, | |
141 | unsigned u) | |
142 | { | |
143 | int nr = 0; | |
144 | if (u > 0) { | |
145 | nr += do_lf_putunsigned(file, u / 10); | |
146 | nr += lf_putchr(file, (u % 10) + '0'); | |
147 | } | |
148 | return nr; | |
149 | } | |
150 | ||
151 | ||
152 | int | |
153 | lf_putint(lf *file, | |
154 | int decimal) | |
155 | { | |
156 | int nr = 0; | |
157 | if (decimal == 0) | |
158 | nr += lf_putchr(file, '0'); | |
159 | else if (decimal < 0) { | |
160 | nr += lf_putchr(file, '-'); | |
161 | nr += do_lf_putunsigned(file, -decimal); | |
162 | } | |
163 | else if (decimal > 0) { | |
164 | nr += do_lf_putunsigned(file, decimal); | |
165 | } | |
166 | else | |
167 | ASSERT(0); | |
168 | return nr; | |
169 | } | |
170 | ||
171 | ||
172 | int | |
173 | lf_printf(lf *file, | |
174 | const char *fmt, | |
175 | ...) | |
176 | { | |
177 | int nr = 0; | |
178 | char buf[1024]; | |
179 | va_list ap; | |
180 | ||
181 | va_start(ap, fmt); | |
182 | vsprintf(buf, fmt, ap); | |
183 | /* FIXME - this is really stuffed but so is vsprintf() on a sun! */ | |
184 | ASSERT(strlen(buf) > 0 && strlen(buf) < sizeof(buf)); | |
185 | nr += lf_putstr(file, buf); | |
186 | va_end(ap); | |
187 | return nr; | |
188 | } | |
189 | ||
190 | ||
191 | int | |
192 | lf_print__c_code(lf *file, | |
193 | const char *code) | |
194 | { | |
195 | int nr = 0; | |
196 | const char *chp = code; | |
197 | int in_bit_field = 0; | |
198 | while (*chp != '\0') { | |
199 | if (*chp == '\t') | |
200 | chp++; | |
201 | if (*chp == '#') | |
202 | lf_indent_suppress(file); | |
203 | while (*chp != '\0' && *chp != '\n') { | |
204 | if (chp[0] == '{' && !isspace(chp[1])) { | |
205 | in_bit_field = 1; | |
206 | nr += lf_putchr(file, '_'); | |
207 | } | |
208 | else if (in_bit_field && chp[0] == ':') { | |
209 | nr += lf_putchr(file, '_'); | |
210 | } | |
211 | else if (in_bit_field && *chp == '}') { | |
212 | nr += lf_putchr(file, '_'); | |
213 | in_bit_field = 0; | |
214 | } | |
215 | else { | |
216 | nr += lf_putchr(file, *chp); | |
217 | } | |
218 | chp++; | |
219 | } | |
220 | if (in_bit_field) | |
221 | error("bit field paren miss match some where\n"); | |
222 | if (*chp == '\n') { | |
223 | nr += lf_putchr(file, '\n'); | |
224 | chp++; | |
225 | } | |
226 | } | |
227 | nr += lf_putchr(file, '\n'); | |
228 | return nr; | |
229 | } | |
230 | ||
231 | ||
232 | int | |
233 | lf_print__external_reference(lf *file, | |
234 | int line_nr, | |
235 | const char *file_name) | |
236 | { | |
237 | int nr = 0; | |
238 | switch (file->references) { | |
239 | case lf_include_references: | |
240 | lf_indent_suppress(file); | |
241 | nr += lf_putstr(file, "#line "); | |
242 | nr += lf_putint(file, line_nr); | |
243 | nr += lf_putstr(file, " \""); | |
244 | nr += lf_putstr(file, file_name); | |
245 | nr += lf_putstr(file, "\"\n"); | |
246 | break; | |
247 | case lf_omit_references: | |
248 | break; | |
249 | } | |
250 | return nr; | |
251 | } | |
252 | ||
253 | int | |
254 | lf_print__internal_reference(lf *file) | |
255 | { | |
256 | int nr = 0; | |
257 | nr += lf_print__external_reference(file, file->line_nr+2, file->name); | |
258 | /* line_nr == last_line, want to number from next */ | |
259 | return nr; | |
260 | } | |
261 | ||
262 | void | |
263 | lf_indent(lf *file, int delta) | |
264 | { | |
265 | file->indent += delta; | |
266 | } | |
267 | ||
268 | ||
269 | int | |
270 | lf_print__gnu_copyleft(lf *file) | |
271 | { | |
272 | int nr = 0; | |
273 | switch (file->type) { | |
274 | case lf_is_c: | |
275 | case lf_is_h: | |
276 | nr += lf_printf(file, "\ | |
277 | /* This file is part of the program psim. | |
278 | ||
279 | Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> | |
280 | ||
281 | This program is free software; you can redistribute it and/or modify | |
282 | it under the terms of the GNU General Public License as published by | |
283 | the Free Software Foundation; either version 2 of the License, or | |
284 | (at your option) any later version. | |
285 | ||
286 | This program is distributed in the hope that it will be useful, | |
287 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
288 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
289 | GNU General Public License for more details. | |
290 | ||
291 | You should have received a copy of the GNU General Public License | |
292 | along with this program; if not, write to the Free Software | |
293 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
294 | ||
295 | -- | |
296 | ||
297 | This file was generated by the program %s */ | |
298 | ", filter_filename(file->program)); | |
299 | break; | |
300 | default: | |
301 | ASSERT(0); | |
302 | break; | |
303 | } | |
304 | return nr; | |
305 | } | |
306 | ||
307 | ||
308 | int | |
309 | lf_putbin(lf *file, int decimal, int width) | |
310 | { | |
311 | int nr = 0; | |
312 | int bit; | |
313 | ASSERT(width > 0); | |
314 | for (bit = 1 << (width-1); bit != 0; bit >>= 1) { | |
315 | if (decimal & bit) | |
316 | nr += lf_putchr(file, '1'); | |
317 | else | |
318 | nr += lf_putchr(file, '0'); | |
319 | } | |
320 | return nr; | |
321 | } | |
322 | ||
323 | int | |
324 | lf_print__this_file_is_empty(lf *file) | |
325 | { | |
326 | int nr = 0; | |
327 | switch (file->type) { | |
328 | case lf_is_c: | |
329 | case lf_is_h: | |
330 | nr += lf_printf(file, | |
331 | "/* This generated file (%s) is intentionally left blank */\n", | |
332 | file->name); | |
333 | break; | |
334 | default: | |
335 | ASSERT(0); | |
336 | } | |
337 | return nr; | |
338 | } | |
339 | ||
340 | int | |
341 | lf_print__ucase_filename(lf *file) | |
342 | { | |
343 | int nr = 0; | |
344 | const char *chp = file->name; | |
345 | while (*chp != '\0') { | |
346 | char ch = *chp; | |
347 | if (islower(ch)) { | |
348 | nr += lf_putchr(file, toupper(ch)); | |
349 | } | |
350 | else if (ch == '.') | |
351 | nr += lf_putchr(file, '_'); | |
352 | else | |
353 | nr += lf_putchr(file, ch); | |
354 | chp++; | |
355 | } | |
356 | return nr; | |
357 | } | |
358 | ||
359 | int | |
360 | lf_print__file_start(lf *file) | |
361 | { | |
362 | int nr = 0; | |
363 | switch (file->type) { | |
364 | case lf_is_h: | |
365 | case lf_is_c: | |
366 | nr += lf_print__gnu_copyleft(file); | |
367 | nr += lf_printf(file, "\n"); | |
368 | nr += lf_printf(file, "#ifndef _"); | |
369 | nr += lf_print__ucase_filename(file); | |
370 | nr += lf_printf(file, "_\n"); | |
371 | nr += lf_printf(file, "#define _"); | |
372 | nr += lf_print__ucase_filename(file); | |
373 | nr += lf_printf(file, "_\n"); | |
374 | nr += lf_printf(file, "\n"); | |
375 | break; | |
376 | default: | |
377 | ASSERT(0); | |
378 | } | |
379 | return nr; | |
380 | } | |
381 | ||
382 | ||
383 | int | |
384 | lf_print__file_finish(lf *file) | |
385 | { | |
386 | int nr = 0; | |
387 | switch (file->type) { | |
388 | case lf_is_h: | |
389 | case lf_is_c: | |
390 | nr += lf_printf(file, "\n"); | |
391 | nr += lf_printf(file, "#endif /* _"); | |
392 | nr += lf_print__ucase_filename(file); | |
393 | nr += lf_printf(file, "_*/\n"); | |
394 | break; | |
395 | default: | |
396 | ASSERT(0); | |
397 | } | |
398 | return nr; | |
399 | } | |
400 | ||
401 | ||
402 | int | |
403 | lf_print_function_type(lf *file, | |
404 | const char *type, | |
405 | const char *prefix, | |
406 | const char *trailing_space) | |
407 | { | |
408 | int nr = 0; | |
409 | nr += lf_printf(file, "%s\\\n(%s)", prefix, type); | |
410 | if (trailing_space != NULL) | |
411 | nr += lf_printf(file, "%s", trailing_space); | |
412 | return nr; | |
413 | } | |
414 | ||
415 | int | |
416 | lf_print_function_type_function(lf *file, | |
417 | print_function *print_type, | |
418 | const char *prefix, | |
419 | const char *trailing_space) | |
420 | { | |
421 | int nr = 0; | |
422 | nr += lf_printf(file, "%s\\\n(", prefix); | |
423 | nr += print_type(file); | |
424 | nr += lf_printf(file, ")"); | |
425 | if (trailing_space != NULL) | |
426 | nr += lf_printf(file, "%s", trailing_space); | |
427 | return nr; | |
428 | } | |
429 |