| 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 3 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, see <http://www.gnu.org/licenses/>. |
| 17 | |
| 18 | */ |
| 19 | |
| 20 | |
| 21 | #include <stdio.h> |
| 22 | #include <stdarg.h> |
| 23 | #include <ctype.h> |
| 24 | |
| 25 | #include "build-config.h" |
| 26 | #include "misc.h" |
| 27 | #include "lf.h" |
| 28 | |
| 29 | #ifdef HAVE_STDLIB_H |
| 30 | #include <stdlib.h> |
| 31 | #endif |
| 32 | |
| 33 | #ifdef HAVE_STRING_H |
| 34 | #include <string.h> |
| 35 | #else |
| 36 | #ifdef HAVE_STRINGS_H |
| 37 | #include <strings.h> |
| 38 | #endif |
| 39 | #endif |
| 40 | |
| 41 | struct _lf { |
| 42 | FILE *stream; |
| 43 | int line_nr; /* nr complete lines written, curr line is line_nr+1 */ |
| 44 | int indent; |
| 45 | int line_blank; |
| 46 | const char *name; |
| 47 | const char *program; |
| 48 | lf_file_references references; |
| 49 | lf_file_type type; |
| 50 | }; |
| 51 | |
| 52 | |
| 53 | lf * |
| 54 | lf_open(char *name, |
| 55 | char *real_name, |
| 56 | lf_file_references references, |
| 57 | lf_file_type type, |
| 58 | const char *program) |
| 59 | { |
| 60 | /* create a file object */ |
| 61 | lf *new_lf = ZALLOC(lf); |
| 62 | ASSERT(new_lf != NULL); |
| 63 | new_lf->references = references; |
| 64 | new_lf->type = type; |
| 65 | new_lf->name = (real_name == NULL ? name : real_name); |
| 66 | new_lf->program = program; |
| 67 | /* attach to stdout if pipe */ |
| 68 | if (!strcmp(name, "-")) { |
| 69 | new_lf->stream = stdout; |
| 70 | } |
| 71 | else { |
| 72 | /* create a new file */ |
| 73 | new_lf->stream = fopen(name, "w"); |
| 74 | if (new_lf->stream == NULL) { |
| 75 | perror(name); |
| 76 | exit(1); |
| 77 | } |
| 78 | } |
| 79 | return new_lf; |
| 80 | } |
| 81 | |
| 82 | |
| 83 | void |
| 84 | lf_close(lf *file) |
| 85 | { |
| 86 | if (file->stream != stdout) { |
| 87 | if (fclose(file->stream)) { |
| 88 | perror("lf_close.fclose"); |
| 89 | exit(1); |
| 90 | } |
| 91 | free(file); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | |
| 96 | int |
| 97 | lf_putchr(lf *file, |
| 98 | const char chr) |
| 99 | { |
| 100 | int nr = 0; |
| 101 | if (chr == '\n') { |
| 102 | file->line_nr += 1; |
| 103 | file->line_blank = 1; |
| 104 | } |
| 105 | else if (file->line_blank) { |
| 106 | int pad; |
| 107 | for (pad = file->indent; pad > 0; pad--) |
| 108 | putc(' ', file->stream); |
| 109 | nr += file->indent; |
| 110 | file->line_blank = 0; |
| 111 | } |
| 112 | putc(chr, file->stream); |
| 113 | nr += 1; |
| 114 | return nr; |
| 115 | } |
| 116 | |
| 117 | void |
| 118 | lf_indent_suppress(lf *file) |
| 119 | { |
| 120 | file->line_blank = 0; |
| 121 | } |
| 122 | |
| 123 | |
| 124 | int |
| 125 | lf_putstr(lf *file, |
| 126 | const char *string) |
| 127 | { |
| 128 | int nr = 0; |
| 129 | const char *chp; |
| 130 | if (string != NULL) { |
| 131 | for (chp = string; *chp != '\0'; chp++) { |
| 132 | nr += lf_putchr(file, *chp); |
| 133 | } |
| 134 | } |
| 135 | return nr; |
| 136 | } |
| 137 | |
| 138 | static int |
| 139 | do_lf_putunsigned(lf *file, |
| 140 | unsigned u) |
| 141 | { |
| 142 | int nr = 0; |
| 143 | if (u > 0) { |
| 144 | nr += do_lf_putunsigned(file, u / 10); |
| 145 | nr += lf_putchr(file, (u % 10) + '0'); |
| 146 | } |
| 147 | return nr; |
| 148 | } |
| 149 | |
| 150 | |
| 151 | int |
| 152 | lf_putint(lf *file, |
| 153 | int decimal) |
| 154 | { |
| 155 | int nr = 0; |
| 156 | if (decimal == 0) |
| 157 | nr += lf_putchr(file, '0'); |
| 158 | else if (decimal < 0) { |
| 159 | nr += lf_putchr(file, '-'); |
| 160 | nr += do_lf_putunsigned(file, -decimal); |
| 161 | } |
| 162 | else if (decimal > 0) { |
| 163 | nr += do_lf_putunsigned(file, decimal); |
| 164 | } |
| 165 | else |
| 166 | ASSERT(0); |
| 167 | return nr; |
| 168 | } |
| 169 | |
| 170 | |
| 171 | int |
| 172 | lf_printf(lf *file, |
| 173 | const char *fmt, |
| 174 | ...) |
| 175 | { |
| 176 | int nr = 0; |
| 177 | char buf[1024]; |
| 178 | va_list ap; |
| 179 | |
| 180 | va_start(ap, fmt); |
| 181 | vsprintf(buf, fmt, ap); |
| 182 | /* FIXME - this is really stuffed but so is vsprintf() on a sun! */ |
| 183 | ASSERT(strlen(buf) > 0 && strlen(buf) < sizeof(buf)); |
| 184 | nr += lf_putstr(file, buf); |
| 185 | va_end(ap); |
| 186 | return nr; |
| 187 | } |
| 188 | |
| 189 | |
| 190 | int |
| 191 | lf_print__c_code(lf *file, |
| 192 | const char *code) |
| 193 | { |
| 194 | int nr = 0; |
| 195 | const char *chp = code; |
| 196 | int in_bit_field = 0; |
| 197 | while (*chp != '\0') { |
| 198 | if (*chp == '\t') |
| 199 | chp++; |
| 200 | if (*chp == '#') |
| 201 | lf_indent_suppress(file); |
| 202 | while (*chp != '\0' && *chp != '\n') { |
| 203 | if (chp[0] == '{' && !isspace(chp[1])) { |
| 204 | in_bit_field = 1; |
| 205 | nr += lf_putchr(file, '_'); |
| 206 | } |
| 207 | else if (in_bit_field && chp[0] == ':') { |
| 208 | nr += lf_putchr(file, '_'); |
| 209 | } |
| 210 | else if (in_bit_field && *chp == '}') { |
| 211 | nr += lf_putchr(file, '_'); |
| 212 | in_bit_field = 0; |
| 213 | } |
| 214 | else { |
| 215 | nr += lf_putchr(file, *chp); |
| 216 | } |
| 217 | chp++; |
| 218 | } |
| 219 | if (in_bit_field) |
| 220 | error("bit field paren miss match some where\n"); |
| 221 | if (*chp == '\n') { |
| 222 | nr += lf_putchr(file, '\n'); |
| 223 | chp++; |
| 224 | } |
| 225 | } |
| 226 | nr += lf_putchr(file, '\n'); |
| 227 | return nr; |
| 228 | } |
| 229 | |
| 230 | |
| 231 | int |
| 232 | lf_print__external_reference(lf *file, |
| 233 | int line_nr, |
| 234 | const char *file_name) |
| 235 | { |
| 236 | int nr = 0; |
| 237 | switch (file->references) { |
| 238 | case lf_include_references: |
| 239 | lf_indent_suppress(file); |
| 240 | nr += lf_putstr(file, "#line "); |
| 241 | nr += lf_putint(file, line_nr); |
| 242 | nr += lf_putstr(file, " \""); |
| 243 | nr += lf_putstr(file, file_name); |
| 244 | nr += lf_putstr(file, "\"\n"); |
| 245 | break; |
| 246 | case lf_omit_references: |
| 247 | break; |
| 248 | } |
| 249 | return nr; |
| 250 | } |
| 251 | |
| 252 | int |
| 253 | lf_print__internal_reference(lf *file) |
| 254 | { |
| 255 | int nr = 0; |
| 256 | nr += lf_print__external_reference(file, file->line_nr+2, file->name); |
| 257 | /* line_nr == last_line, want to number from next */ |
| 258 | return nr; |
| 259 | } |
| 260 | |
| 261 | void |
| 262 | lf_indent(lf *file, int delta) |
| 263 | { |
| 264 | file->indent += delta; |
| 265 | } |
| 266 | |
| 267 | |
| 268 | int |
| 269 | lf_print__gnu_copyleft(lf *file) |
| 270 | { |
| 271 | int nr = 0; |
| 272 | switch (file->type) { |
| 273 | case lf_is_c: |
| 274 | case lf_is_h: |
| 275 | nr += lf_printf(file, "\n\ |
| 276 | /* This file is part of the program psim.\n\ |
| 277 | \n\ |
| 278 | Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>\n\ |
| 279 | \n\ |
| 280 | This program is free software; you can redistribute it and/or modify\n\ |
| 281 | it under the terms of the GNU General Public License as published by\n\ |
| 282 | the Free Software Foundation; either version 3 of the License, or\n\ |
| 283 | (at your option) any later version.\n\ |
| 284 | \n\ |
| 285 | This program is distributed in the hope that it will be useful,\n\ |
| 286 | but WITHOUT ANY WARRANTY; without even the implied warranty of\n\ |
| 287 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\ |
| 288 | GNU General Public License for more details.\n\ |
| 289 | \n\ |
| 290 | You should have received a copy of the GNU General Public License\n\ |
| 291 | along with this program; if not, see <http://www.gnu.org/licenses/>.\n\ |
| 292 | \n\ |
| 293 | --\n\ |
| 294 | \n\ |
| 295 | This file was generated by the program %s */\n\ |
| 296 | ", filter_filename(file->program)); |
| 297 | break; |
| 298 | default: |
| 299 | ASSERT(0); |
| 300 | break; |
| 301 | } |
| 302 | return nr; |
| 303 | } |
| 304 | |
| 305 | |
| 306 | int |
| 307 | lf_putbin(lf *file, int decimal, int width) |
| 308 | { |
| 309 | int nr = 0; |
| 310 | int bit; |
| 311 | ASSERT(width > 0); |
| 312 | for (bit = 1 << (width-1); bit != 0; bit >>= 1) { |
| 313 | if (decimal & bit) |
| 314 | nr += lf_putchr(file, '1'); |
| 315 | else |
| 316 | nr += lf_putchr(file, '0'); |
| 317 | } |
| 318 | return nr; |
| 319 | } |
| 320 | |
| 321 | int |
| 322 | lf_print__this_file_is_empty(lf *file) |
| 323 | { |
| 324 | int nr = 0; |
| 325 | switch (file->type) { |
| 326 | case lf_is_c: |
| 327 | case lf_is_h: |
| 328 | nr += lf_printf(file, |
| 329 | "/* This generated file (%s) is intentionally left blank */\n", |
| 330 | file->name); |
| 331 | break; |
| 332 | default: |
| 333 | ASSERT(0); |
| 334 | } |
| 335 | return nr; |
| 336 | } |
| 337 | |
| 338 | int |
| 339 | lf_print__ucase_filename(lf *file) |
| 340 | { |
| 341 | int nr = 0; |
| 342 | const char *chp = file->name; |
| 343 | while (*chp != '\0') { |
| 344 | char ch = *chp; |
| 345 | if (islower(ch)) { |
| 346 | nr += lf_putchr(file, toupper(ch)); |
| 347 | } |
| 348 | else if (ch == '.') |
| 349 | nr += lf_putchr(file, '_'); |
| 350 | else |
| 351 | nr += lf_putchr(file, ch); |
| 352 | chp++; |
| 353 | } |
| 354 | return nr; |
| 355 | } |
| 356 | |
| 357 | int |
| 358 | lf_print__file_start(lf *file) |
| 359 | { |
| 360 | int nr = 0; |
| 361 | switch (file->type) { |
| 362 | case lf_is_h: |
| 363 | case lf_is_c: |
| 364 | nr += lf_print__gnu_copyleft(file); |
| 365 | nr += lf_printf(file, "\n"); |
| 366 | nr += lf_printf(file, "#ifndef _"); |
| 367 | nr += lf_print__ucase_filename(file); |
| 368 | nr += lf_printf(file, "_\n"); |
| 369 | nr += lf_printf(file, "#define _"); |
| 370 | nr += lf_print__ucase_filename(file); |
| 371 | nr += lf_printf(file, "_\n"); |
| 372 | nr += lf_printf(file, "\n"); |
| 373 | break; |
| 374 | default: |
| 375 | ASSERT(0); |
| 376 | } |
| 377 | return nr; |
| 378 | } |
| 379 | |
| 380 | |
| 381 | int |
| 382 | lf_print__file_finish(lf *file) |
| 383 | { |
| 384 | int nr = 0; |
| 385 | switch (file->type) { |
| 386 | case lf_is_h: |
| 387 | case lf_is_c: |
| 388 | nr += lf_printf(file, "\n"); |
| 389 | nr += lf_printf(file, "#endif /* _"); |
| 390 | nr += lf_print__ucase_filename(file); |
| 391 | nr += lf_printf(file, "_*/\n"); |
| 392 | break; |
| 393 | default: |
| 394 | ASSERT(0); |
| 395 | } |
| 396 | return nr; |
| 397 | } |
| 398 | |
| 399 | |
| 400 | int |
| 401 | lf_print_function_type(lf *file, |
| 402 | const char *type, |
| 403 | const char *prefix, |
| 404 | const char *trailing_space) |
| 405 | { |
| 406 | int nr = 0; |
| 407 | nr += lf_printf(file, "%s\\\n(%s)", prefix, type); |
| 408 | if (trailing_space != NULL) |
| 409 | nr += lf_printf(file, "%s", trailing_space); |
| 410 | #if 0 |
| 411 | const char *type_pointer = strrchr(type, '*'); |
| 412 | int type_pointer_offset = (type_pointer != NULL |
| 413 | ? type_pointer - type |
| 414 | : 0); |
| 415 | if (type_pointer == NULL) { |
| 416 | lf_printf(file, "%s %s", type, prefix); |
| 417 | } |
| 418 | else { |
| 419 | char *munged_type = (char*)zalloc(strlen(type) |
| 420 | + strlen(prefix) |
| 421 | + strlen(" * ") |
| 422 | + 1); |
| 423 | strcpy(munged_type, type); |
| 424 | munged_type[type_pointer_offset] = '\0'; |
| 425 | if (type_pointer_offset > 0 && type[type_pointer_offset-1] != ' ') |
| 426 | strcat(munged_type, " "); |
| 427 | strcat(munged_type, prefix); |
| 428 | strcat(munged_type, " "); |
| 429 | strcat(munged_type, type + type_pointer_offset); |
| 430 | lf_printf(file, "%s", munged_type); |
| 431 | free(munged_type); |
| 432 | } |
| 433 | if (trailing_space != NULL && type_pointer_offset < strlen(type) - 1) |
| 434 | lf_printf(file, trailing_space); |
| 435 | #endif |
| 436 | return nr; |
| 437 | } |
| 438 | |