Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* chew |
6f2750fe | 2 | Copyright (C) 1990-2016 Free Software Foundation, Inc. |
252b5132 RH |
3 | Contributed by steve chamberlain @cygnus |
4 | ||
cd123cb7 | 5 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 6 | |
cd123cb7 NC |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
252b5132 | 11 | |
cd123cb7 NC |
12 | This program 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. | |
252b5132 | 16 | |
cd123cb7 NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
20 | MA 02110-1301, USA. */ | |
252b5132 RH |
21 | |
22 | /* Yet another way of extracting documentation from source. | |
23 | No, I haven't finished it yet, but I hope you people like it better | |
24 | than the old way | |
d70910e8 | 25 | |
252b5132 RH |
26 | sac |
27 | ||
28 | Basically, this is a sort of string forth, maybe we should call it | |
29 | struth? | |
30 | ||
31 | You define new words thus: | |
32 | : <newword> <oldwords> ; | |
33 | ||
34 | */ | |
35 | ||
36 | /* Primitives provided by the program: | |
37 | ||
38 | Two stacks are provided, a string stack and an integer stack. | |
39 | ||
40 | Internal state variables: | |
41 | internal_wanted - indicates whether `-i' was passed | |
42 | internal_mode - user-settable | |
43 | ||
44 | Commands: | |
45 | push_text | |
46 | ! - pop top of integer stack for address, pop next for value; store | |
47 | @ - treat value on integer stack as the address of an integer; push | |
48 | that integer on the integer stack after popping the "address" | |
49 | hello - print "hello\n" to stdout | |
50 | stdout - put stdout marker on TOS | |
51 | stderr - put stderr marker on TOS | |
52 | print - print TOS-1 on TOS (eg: "hello\n" stdout print) | |
53 | skip_past_newline | |
54 | catstr - fn icatstr | |
55 | copy_past_newline - append input, up to and including newline into TOS | |
56 | dup - fn other_dup | |
57 | drop - discard TOS | |
58 | idrop - ditto | |
59 | remchar - delete last character from TOS | |
60 | get_stuff_in_command | |
61 | do_fancy_stuff - translate <<foo>> to @code{foo} in TOS | |
62 | bulletize - if "o" lines found, prepend @itemize @bullet to TOS | |
63 | and @item to each "o" line; append @end itemize | |
64 | courierize - put @example around . and | lines, translate {* *} { } | |
65 | exit - fn chew_exit | |
66 | swap | |
67 | outputdots - strip out lines without leading dots | |
68 | paramstuff - convert full declaration into "PARAMS" form if not already | |
69 | maybecatstr - do catstr if internal_mode == internal_wanted, discard | |
70 | value in any case | |
71 | translatecomments - turn {* and *} into comment delimiters | |
72 | kill_bogus_lines - get rid of extra newlines | |
73 | indent | |
74 | internalmode - pop from integer stack, set `internalmode' to that value | |
75 | print_stack_level - print current stack depth to stderr | |
76 | strip_trailing_newlines - go ahead, guess... | |
77 | [quoted string] - push string onto string stack | |
78 | [word starting with digit] - push atol(str) onto integer stack | |
79 | ||
80 | A command must be all upper-case, and alone on a line. | |
81 | ||
82 | Foo. */ | |
83 | ||
f742faa6 | 84 | #include "ansidecl.h" |
252b5132 RH |
85 | #include <assert.h> |
86 | #include <stdio.h> | |
87 | #include <ctype.h> | |
d4ad1cbf | 88 | #include <stdlib.h> |
99356e90 | 89 | #include <string.h> |
252b5132 RH |
90 | |
91 | #define DEF_SIZE 5000 | |
92 | #define STACK 50 | |
93 | ||
94 | int internal_wanted; | |
95 | int internal_mode; | |
96 | ||
97 | int warning; | |
98 | ||
d70910e8 | 99 | /* Here is a string type ... */ |
252b5132 | 100 | |
d70910e8 | 101 | typedef struct buffer |
252b5132 RH |
102 | { |
103 | char *ptr; | |
104 | unsigned long write_idx; | |
105 | unsigned long size; | |
106 | } string_type; | |
107 | ||
252b5132 RH |
108 | #ifdef __STDC__ |
109 | static void init_string_with_size (string_type *, unsigned int); | |
110 | static void init_string (string_type *); | |
111 | static int find (string_type *, char *); | |
112 | static void write_buffer (string_type *, FILE *); | |
113 | static void delete_string (string_type *); | |
114 | static char *addr (string_type *, unsigned int); | |
115 | static char at (string_type *, unsigned int); | |
116 | static void catchar (string_type *, int); | |
117 | static void overwrite_string (string_type *, string_type *); | |
118 | static void catbuf (string_type *, char *, unsigned int); | |
119 | static void cattext (string_type *, char *); | |
120 | static void catstr (string_type *, string_type *); | |
5375ec41 | 121 | static void die (char *); |
252b5132 RH |
122 | #endif |
123 | ||
256d98af KH |
124 | static void |
125 | init_string_with_size (buffer, size) | |
126 | string_type *buffer; | |
127 | unsigned int size; | |
252b5132 | 128 | { |
d70910e8 KH |
129 | buffer->write_idx = 0; |
130 | buffer->size = size; | |
e3ad91e3 | 131 | buffer->ptr = (char *) malloc (size); |
252b5132 RH |
132 | } |
133 | ||
256d98af KH |
134 | static void |
135 | init_string (buffer) | |
136 | string_type *buffer; | |
252b5132 | 137 | { |
d70910e8 | 138 | init_string_with_size (buffer, DEF_SIZE); |
252b5132 RH |
139 | } |
140 | ||
256d98af KH |
141 | static int |
142 | find (str, what) | |
143 | string_type *str; | |
144 | char *what; | |
252b5132 | 145 | { |
d70910e8 KH |
146 | unsigned int i; |
147 | char *p; | |
148 | p = what; | |
149 | for (i = 0; i < str->write_idx && *p; i++) | |
252b5132 | 150 | { |
d70910e8 KH |
151 | if (*p == str->ptr[i]) |
152 | p++; | |
153 | else | |
154 | p = what; | |
252b5132 | 155 | } |
d70910e8 | 156 | return (*p == 0); |
252b5132 RH |
157 | } |
158 | ||
256d98af KH |
159 | static void |
160 | write_buffer (buffer, f) | |
161 | string_type *buffer; | |
162 | FILE *f; | |
252b5132 | 163 | { |
5375ec41 AM |
164 | if (buffer->write_idx != 0 |
165 | && fwrite (buffer->ptr, buffer->write_idx, 1, f) != 1) | |
166 | die ("cannot write output"); | |
252b5132 RH |
167 | } |
168 | ||
256d98af KH |
169 | static void |
170 | delete_string (buffer) | |
171 | string_type *buffer; | |
252b5132 | 172 | { |
d70910e8 | 173 | free (buffer->ptr); |
252b5132 RH |
174 | } |
175 | ||
256d98af KH |
176 | static char * |
177 | addr (buffer, idx) | |
178 | string_type *buffer; | |
179 | unsigned int idx; | |
252b5132 | 180 | { |
d70910e8 | 181 | return buffer->ptr + idx; |
252b5132 RH |
182 | } |
183 | ||
256d98af KH |
184 | static char |
185 | at (buffer, pos) | |
186 | string_type *buffer; | |
187 | unsigned int pos; | |
252b5132 | 188 | { |
d70910e8 | 189 | if (pos >= buffer->write_idx) |
252b5132 RH |
190 | return 0; |
191 | return buffer->ptr[pos]; | |
192 | } | |
193 | ||
256d98af KH |
194 | static void |
195 | catchar (buffer, ch) | |
196 | string_type *buffer; | |
197 | int ch; | |
252b5132 | 198 | { |
d70910e8 | 199 | if (buffer->write_idx == buffer->size) |
252b5132 | 200 | { |
d70910e8 | 201 | buffer->size *= 2; |
e3ad91e3 | 202 | buffer->ptr = (char *) realloc (buffer->ptr, buffer->size); |
252b5132 RH |
203 | } |
204 | ||
d70910e8 | 205 | buffer->ptr[buffer->write_idx++] = ch; |
252b5132 RH |
206 | } |
207 | ||
256d98af KH |
208 | static void |
209 | overwrite_string (dst, src) | |
210 | string_type *dst; | |
211 | string_type *src; | |
252b5132 | 212 | { |
d70910e8 KH |
213 | free (dst->ptr); |
214 | dst->size = src->size; | |
215 | dst->write_idx = src->write_idx; | |
216 | dst->ptr = src->ptr; | |
252b5132 RH |
217 | } |
218 | ||
256d98af KH |
219 | static void |
220 | catbuf (buffer, buf, len) | |
221 | string_type *buffer; | |
222 | char *buf; | |
223 | unsigned int len; | |
252b5132 RH |
224 | { |
225 | if (buffer->write_idx + len >= buffer->size) | |
226 | { | |
227 | while (buffer->write_idx + len >= buffer->size) | |
228 | buffer->size *= 2; | |
e3ad91e3 | 229 | buffer->ptr = (char *) realloc (buffer->ptr, buffer->size); |
252b5132 RH |
230 | } |
231 | memcpy (buffer->ptr + buffer->write_idx, buf, len); | |
232 | buffer->write_idx += len; | |
233 | } | |
234 | ||
256d98af KH |
235 | static void |
236 | cattext (buffer, string) | |
237 | string_type *buffer; | |
238 | char *string; | |
252b5132 RH |
239 | { |
240 | catbuf (buffer, string, (unsigned int) strlen (string)); | |
241 | } | |
242 | ||
256d98af KH |
243 | static void |
244 | catstr (dst, src) | |
245 | string_type *dst; | |
246 | string_type *src; | |
252b5132 RH |
247 | { |
248 | catbuf (dst, src->ptr, src->write_idx); | |
249 | } | |
250 | ||
d70910e8 | 251 | static unsigned int |
256d98af KH |
252 | skip_white_and_stars (src, idx) |
253 | string_type *src; | |
254 | unsigned int idx; | |
252b5132 RH |
255 | { |
256 | char c; | |
d70910e8 | 257 | while ((c = at (src, idx)), |
252b5132 RH |
258 | isspace ((unsigned char) c) |
259 | || (c == '*' | |
260 | /* Don't skip past end-of-comment or star as first | |
261 | character on its line. */ | |
d70910e8 KH |
262 | && at (src, idx +1) != '/' |
263 | && at (src, idx -1) != '\n')) | |
252b5132 RH |
264 | idx++; |
265 | return idx; | |
266 | } | |
267 | ||
aaffae57 DE |
268 | static unsigned int |
269 | skip_past_newline_1 (ptr, idx) | |
270 | string_type *ptr; | |
271 | unsigned int idx; | |
272 | { | |
273 | while (at (ptr, idx) | |
274 | && at (ptr, idx) != '\n') | |
275 | idx++; | |
276 | if (at (ptr, idx) == '\n') | |
277 | return idx + 1; | |
278 | return idx; | |
279 | } | |
280 | ||
252b5132 RH |
281 | /***********************************************************************/ |
282 | ||
252b5132 RH |
283 | string_type stack[STACK]; |
284 | string_type *tos; | |
285 | ||
286 | unsigned int idx = 0; /* Pos in input buffer */ | |
287 | string_type *ptr; /* and the buffer */ | |
288 | typedef void (*stinst_type)(); | |
289 | stinst_type *pc; | |
290 | stinst_type sstack[STACK]; | |
291 | stinst_type *ssp = &sstack[0]; | |
292 | long istack[STACK]; | |
293 | long *isp = &istack[0]; | |
294 | ||
295 | typedef int *word_type; | |
296 | ||
252b5132 RH |
297 | struct dict_struct |
298 | { | |
d70910e8 KH |
299 | char *word; |
300 | struct dict_struct *next; | |
301 | stinst_type *code; | |
302 | int code_length; | |
303 | int code_end; | |
304 | int var; | |
252b5132 | 305 | }; |
d70910e8 | 306 | |
252b5132 | 307 | typedef struct dict_struct dict_type; |
d70910e8 | 308 | |
252b5132 RH |
309 | static void |
310 | die (msg) | |
311 | char *msg; | |
312 | { | |
313 | fprintf (stderr, "%s\n", msg); | |
314 | exit (1); | |
315 | } | |
316 | ||
317 | static void | |
318 | check_range () | |
319 | { | |
320 | if (tos < stack) | |
321 | die ("underflow in string stack"); | |
322 | if (tos >= stack + STACK) | |
323 | die ("overflow in string stack"); | |
324 | } | |
325 | ||
326 | static void | |
327 | icheck_range () | |
328 | { | |
329 | if (isp < istack) | |
330 | die ("underflow in integer stack"); | |
331 | if (isp >= istack + STACK) | |
332 | die ("overflow in integer stack"); | |
333 | } | |
334 | ||
335 | #ifdef __STDC__ | |
336 | static void exec (dict_type *); | |
337 | static void call (void); | |
338 | static void remchar (void), strip_trailing_newlines (void), push_number (void); | |
339 | static void push_text (void); | |
340 | static void remove_noncomments (string_type *, string_type *); | |
341 | static void print_stack_level (void); | |
342 | static void paramstuff (void), translatecomments (void); | |
343 | static void outputdots (void), courierize (void), bulletize (void); | |
344 | static void do_fancy_stuff (void); | |
345 | static int iscommand (string_type *, unsigned int); | |
346 | static int copy_past_newline (string_type *, unsigned int, string_type *); | |
347 | static void icopy_past_newline (void), kill_bogus_lines (void), indent (void); | |
348 | static void get_stuff_in_command (void), swap (void), other_dup (void); | |
349 | static void drop (void), idrop (void); | |
350 | static void icatstr (void), skip_past_newline (void), internalmode (void); | |
351 | static void maybecatstr (void); | |
352 | static char *nextword (char *, char **); | |
353 | dict_type *lookup_word (char *); | |
354 | static void perform (void); | |
355 | dict_type *newentry (char *); | |
356 | unsigned int add_to_definition (dict_type *, stinst_type); | |
357 | void add_intrinsic (char *, void (*)()); | |
358 | void add_var (char *); | |
359 | void compile (char *); | |
360 | static void bang (void); | |
361 | static void atsign (void); | |
362 | static void hello (void); | |
363 | static void stdout_ (void); | |
364 | static void stderr_ (void); | |
365 | static void print (void); | |
366 | static void read_in (string_type *, FILE *); | |
367 | static void usage (void); | |
368 | static void chew_exit (void); | |
369 | #endif | |
370 | ||
256d98af KH |
371 | static void |
372 | exec (word) | |
373 | dict_type *word; | |
252b5132 RH |
374 | { |
375 | pc = word->code; | |
d70910e8 KH |
376 | while (*pc) |
377 | (*pc) (); | |
252b5132 | 378 | } |
d70910e8 | 379 | |
9ee6f9cc AM |
380 | static void |
381 | call () | |
d70910e8 KH |
382 | { |
383 | stinst_type *oldpc = pc; | |
384 | dict_type *e; | |
385 | e = (dict_type *) (pc[1]); | |
386 | exec (e); | |
387 | pc = oldpc + 2; | |
252b5132 RH |
388 | } |
389 | ||
9ee6f9cc AM |
390 | static void |
391 | remchar () | |
252b5132 RH |
392 | { |
393 | if (tos->write_idx) | |
d70910e8 | 394 | tos->write_idx--; |
252b5132 RH |
395 | pc++; |
396 | } | |
397 | ||
398 | static void | |
399 | strip_trailing_newlines () | |
400 | { | |
401 | while ((isspace ((unsigned char) at (tos, tos->write_idx - 1)) | |
402 | || at (tos, tos->write_idx - 1) == '\n') | |
403 | && tos->write_idx > 0) | |
404 | tos->write_idx--; | |
405 | pc++; | |
406 | } | |
407 | ||
9ee6f9cc AM |
408 | static void |
409 | push_number () | |
252b5132 | 410 | { |
d70910e8 KH |
411 | isp++; |
412 | icheck_range (); | |
413 | pc++; | |
414 | *isp = (long) (*pc); | |
415 | pc++; | |
252b5132 RH |
416 | } |
417 | ||
9ee6f9cc AM |
418 | static void |
419 | push_text () | |
252b5132 | 420 | { |
d70910e8 KH |
421 | tos++; |
422 | check_range (); | |
423 | init_string (tos); | |
424 | pc++; | |
425 | cattext (tos, *((char **) pc)); | |
426 | pc++; | |
252b5132 RH |
427 | } |
428 | ||
252b5132 RH |
429 | /* This function removes everything not inside comments starting on |
430 | the first char of the line from the string, also when copying | |
431 | comments, removes blank space and leading *'s. | |
432 | Blank lines are turned into one blank line. */ | |
433 | ||
d70910e8 KH |
434 | static void |
435 | remove_noncomments (src, dst) | |
256d98af KH |
436 | string_type *src; |
437 | string_type *dst; | |
252b5132 | 438 | { |
d70910e8 KH |
439 | unsigned int idx = 0; |
440 | ||
441 | while (at (src, idx)) | |
252b5132 | 442 | { |
d70910e8 KH |
443 | /* Now see if we have a comment at the start of the line. */ |
444 | if (at (src, idx) == '\n' | |
445 | && at (src, idx + 1) == '/' | |
446 | && at (src, idx + 2) == '*') | |
252b5132 | 447 | { |
d70910e8 KH |
448 | idx += 3; |
449 | ||
450 | idx = skip_white_and_stars (src, idx); | |
451 | ||
452 | /* Remove leading dot */ | |
453 | if (at (src, idx) == '.') | |
454 | idx++; | |
455 | ||
456 | /* Copy to the end of the line, or till the end of the | |
457 | comment. */ | |
458 | while (at (src, idx)) | |
252b5132 | 459 | { |
d70910e8 | 460 | if (at (src, idx) == '\n') |
252b5132 | 461 | { |
d70910e8 KH |
462 | /* end of line, echo and scrape of leading blanks */ |
463 | if (at (src, idx + 1) == '\n') | |
464 | catchar (dst, '\n'); | |
465 | catchar (dst, '\n'); | |
466 | idx++; | |
467 | idx = skip_white_and_stars (src, idx); | |
252b5132 | 468 | } |
d70910e8 | 469 | else if (at (src, idx) == '*' && at (src, idx + 1) == '/') |
252b5132 | 470 | { |
d70910e8 KH |
471 | idx += 2; |
472 | cattext (dst, "\nENDDD\n"); | |
473 | break; | |
252b5132 | 474 | } |
d70910e8 | 475 | else |
252b5132 | 476 | { |
d70910e8 KH |
477 | catchar (dst, at (src, idx)); |
478 | idx++; | |
252b5132 RH |
479 | } |
480 | } | |
481 | } | |
d70910e8 KH |
482 | else |
483 | idx++; | |
252b5132 RH |
484 | } |
485 | } | |
486 | ||
487 | static void | |
488 | print_stack_level () | |
489 | { | |
13ce3c11 AM |
490 | fprintf (stderr, "current string stack depth = %ld, ", |
491 | (long) (tos - stack)); | |
492 | fprintf (stderr, "current integer stack depth = %ld\n", | |
493 | (long) (isp - istack)); | |
252b5132 RH |
494 | pc++; |
495 | } | |
496 | ||
497 | /* turn: | |
498 | foobar name(stuff); | |
499 | into: | |
500 | foobar | |
501 | name PARAMS ((stuff)); | |
502 | and a blank line. | |
503 | */ | |
504 | ||
505 | static void | |
51240b8d | 506 | paramstuff () |
252b5132 | 507 | { |
d70910e8 KH |
508 | unsigned int openp; |
509 | unsigned int fname; | |
510 | unsigned int idx; | |
10bfd974 | 511 | unsigned int len; |
d70910e8 KH |
512 | string_type out; |
513 | init_string (&out); | |
252b5132 | 514 | |
c58b9523 AM |
515 | #define NO_PARAMS 1 |
516 | ||
d70910e8 | 517 | /* Make sure that it's not already param'd or proto'd. */ |
c58b9523 AM |
518 | if (NO_PARAMS |
519 | || find (tos, "PARAMS") || find (tos, "PROTO") || !find (tos, "(")) | |
252b5132 | 520 | { |
d70910e8 KH |
521 | catstr (&out, tos); |
522 | } | |
523 | else | |
524 | { | |
525 | /* Find the open paren. */ | |
526 | for (openp = 0; at (tos, openp) != '(' && at (tos, openp); openp++) | |
527 | ; | |
528 | ||
529 | fname = openp; | |
530 | /* Step back to the fname. */ | |
531 | fname--; | |
532 | while (fname && isspace ((unsigned char) at (tos, fname))) | |
533 | fname--; | |
534 | while (fname | |
535 | && !isspace ((unsigned char) at (tos,fname)) | |
536 | && at (tos,fname) != '*') | |
252b5132 | 537 | fname--; |
d70910e8 KH |
538 | |
539 | fname++; | |
540 | ||
10bfd974 KH |
541 | /* Output type, omitting trailing whitespace character(s), if |
542 | any. */ | |
543 | for (len = fname; 0 < len; len--) | |
252b5132 | 544 | { |
10bfd974 | 545 | if (!isspace ((unsigned char) at (tos, len - 1))) |
05c6581e | 546 | break; |
252b5132 | 547 | } |
10bfd974 KH |
548 | for (idx = 0; idx < len; idx++) |
549 | catchar (&out, at (tos, idx)); | |
252b5132 | 550 | |
d70910e8 KH |
551 | cattext (&out, "\n"); /* Insert a newline between type and fnname */ |
552 | ||
10bfd974 KH |
553 | /* Output function name, omitting trailing whitespace |
554 | character(s), if any. */ | |
555 | for (len = openp; 0 < len; len--) | |
252b5132 | 556 | { |
10bfd974 KH |
557 | if (!isspace ((unsigned char) at (tos, len - 1))) |
558 | break; | |
252b5132 | 559 | } |
10bfd974 KH |
560 | for (idx = fname; idx < len; idx++) |
561 | catchar (&out, at (tos, idx)); | |
252b5132 | 562 | |
d70910e8 | 563 | cattext (&out, " PARAMS ("); |
252b5132 | 564 | |
10bfd974 KH |
565 | for (idx = openp; at (tos, idx) && at (tos, idx) != ';'; idx++) |
566 | catchar (&out, at (tos, idx)); | |
567 | ||
d70910e8 | 568 | cattext (&out, ");\n\n"); |
252b5132 | 569 | } |
d70910e8 KH |
570 | overwrite_string (tos, &out); |
571 | pc++; | |
252b5132 | 572 | |
d70910e8 | 573 | } |
252b5132 RH |
574 | |
575 | /* turn {* | |
576 | and *} into comments */ | |
577 | ||
9ee6f9cc AM |
578 | static void |
579 | translatecomments () | |
252b5132 | 580 | { |
d70910e8 KH |
581 | unsigned int idx = 0; |
582 | string_type out; | |
583 | init_string (&out); | |
584 | ||
585 | while (at (tos, idx)) | |
252b5132 | 586 | { |
d70910e8 | 587 | if (at (tos, idx) == '{' && at (tos, idx + 1) == '*') |
252b5132 | 588 | { |
d70910e8 KH |
589 | cattext (&out, "/*"); |
590 | idx += 2; | |
252b5132 | 591 | } |
d70910e8 | 592 | else if (at (tos, idx) == '*' && at (tos, idx + 1) == '}') |
252b5132 | 593 | { |
d70910e8 KH |
594 | cattext (&out, "*/"); |
595 | idx += 2; | |
252b5132 | 596 | } |
d70910e8 | 597 | else |
252b5132 | 598 | { |
d70910e8 KH |
599 | catchar (&out, at (tos, idx)); |
600 | idx++; | |
252b5132 RH |
601 | } |
602 | } | |
603 | ||
d70910e8 | 604 | overwrite_string (tos, &out); |
252b5132 | 605 | |
d70910e8 | 606 | pc++; |
252b5132 RH |
607 | } |
608 | ||
252b5132 RH |
609 | /* Mod tos so that only lines with leading dots remain */ |
610 | static void | |
51240b8d | 611 | outputdots () |
252b5132 | 612 | { |
d70910e8 KH |
613 | unsigned int idx = 0; |
614 | string_type out; | |
615 | init_string (&out); | |
616 | ||
617 | while (at (tos, idx)) | |
252b5132 | 618 | { |
aaffae57 DE |
619 | /* Every iteration begins at the start of a line. */ |
620 | if (at (tos, idx) == '.') | |
252b5132 RH |
621 | { |
622 | char c; | |
aaffae57 DE |
623 | |
624 | idx++; | |
d70910e8 KH |
625 | |
626 | while ((c = at (tos, idx)) && c != '\n') | |
252b5132 | 627 | { |
d70910e8 | 628 | if (c == '{' && at (tos, idx + 1) == '*') |
252b5132 | 629 | { |
d70910e8 KH |
630 | cattext (&out, "/*"); |
631 | idx += 2; | |
252b5132 | 632 | } |
d70910e8 | 633 | else if (c == '*' && at (tos, idx + 1) == '}') |
252b5132 | 634 | { |
d70910e8 KH |
635 | cattext (&out, "*/"); |
636 | idx += 2; | |
252b5132 RH |
637 | } |
638 | else | |
639 | { | |
d70910e8 KH |
640 | catchar (&out, c); |
641 | idx++; | |
252b5132 RH |
642 | } |
643 | } | |
aaffae57 DE |
644 | if (c == '\n') |
645 | idx++; | |
d70910e8 | 646 | catchar (&out, '\n'); |
252b5132 | 647 | } |
d70910e8 | 648 | else |
252b5132 | 649 | { |
aaffae57 | 650 | idx = skip_past_newline_1 (tos, idx); |
252b5132 | 651 | } |
d70910e8 | 652 | } |
252b5132 | 653 | |
d70910e8 KH |
654 | overwrite_string (tos, &out); |
655 | pc++; | |
252b5132 RH |
656 | } |
657 | ||
658 | /* Find lines starting with . and | and put example around them on tos */ | |
9ee6f9cc AM |
659 | static void |
660 | courierize () | |
d70910e8 KH |
661 | { |
662 | string_type out; | |
663 | unsigned int idx = 0; | |
664 | int command = 0; | |
665 | ||
666 | init_string (&out); | |
667 | ||
668 | while (at (tos, idx)) | |
252b5132 | 669 | { |
d70910e8 KH |
670 | if (at (tos, idx) == '\n' |
671 | && (at (tos, idx +1 ) == '.' | |
672 | || at (tos, idx + 1) == '|')) | |
252b5132 | 673 | { |
d70910e8 KH |
674 | cattext (&out, "\n@example\n"); |
675 | do | |
252b5132 | 676 | { |
d70910e8 KH |
677 | idx += 2; |
678 | ||
679 | while (at (tos, idx) && at (tos, idx) != '\n') | |
252b5132 | 680 | { |
ba994a14 AM |
681 | if (command > 1) |
682 | { | |
683 | /* We are inside {} parameters of some command; | |
684 | Just pass through until matching brace. */ | |
685 | if (at (tos, idx) == '{') | |
686 | ++command; | |
687 | else if (at (tos, idx) == '}') | |
688 | --command; | |
689 | } | |
690 | else if (command != 0) | |
691 | { | |
692 | if (at (tos, idx) == '{') | |
693 | ++command; | |
694 | else if (!islower ((unsigned char) at (tos, idx))) | |
695 | --command; | |
696 | } | |
697 | else if (at (tos, idx) == '@' | |
698 | && islower ((unsigned char) at (tos, idx + 1))) | |
699 | { | |
700 | ++command; | |
701 | } | |
702 | else if (at (tos, idx) == '{' && at (tos, idx + 1) == '*') | |
252b5132 | 703 | { |
d70910e8 KH |
704 | cattext (&out, "/*"); |
705 | idx += 2; | |
ba994a14 | 706 | continue; |
252b5132 | 707 | } |
d70910e8 | 708 | else if (at (tos, idx) == '*' && at (tos, idx + 1) == '}') |
252b5132 | 709 | { |
d70910e8 KH |
710 | cattext (&out, "*/"); |
711 | idx += 2; | |
ba994a14 | 712 | continue; |
252b5132 | 713 | } |
ba994a14 AM |
714 | else if (at (tos, idx) == '{' |
715 | || at (tos, idx) == '}') | |
252b5132 | 716 | { |
ba994a14 | 717 | catchar (&out, '@'); |
252b5132 | 718 | } |
d70910e8 | 719 | |
ba994a14 AM |
720 | catchar (&out, at (tos, idx)); |
721 | idx++; | |
252b5132 | 722 | } |
d70910e8 KH |
723 | catchar (&out, '\n'); |
724 | } | |
725 | while (at (tos, idx) == '\n' | |
726 | && ((at (tos, idx + 1) == '.') | |
727 | || (at (tos, idx + 1) == '|'))) | |
728 | ; | |
729 | cattext (&out, "@end example"); | |
252b5132 | 730 | } |
d70910e8 KH |
731 | else |
732 | { | |
733 | catchar (&out, at (tos, idx)); | |
734 | idx++; | |
252b5132 | 735 | } |
d70910e8 | 736 | } |
252b5132 | 737 | |
d70910e8 KH |
738 | overwrite_string (tos, &out); |
739 | pc++; | |
252b5132 RH |
740 | } |
741 | ||
742 | /* Finds any lines starting with "o ", if there are any, then turns | |
743 | on @itemize @bullet, and @items each of them. Then ends with @end | |
744 | itemize, inplace at TOS*/ | |
745 | ||
9ee6f9cc AM |
746 | static void |
747 | bulletize () | |
252b5132 | 748 | { |
d70910e8 KH |
749 | unsigned int idx = 0; |
750 | int on = 0; | |
751 | string_type out; | |
752 | init_string (&out); | |
753 | ||
754 | while (at (tos, idx)) | |
755 | { | |
756 | if (at (tos, idx) == '@' | |
757 | && at (tos, idx + 1) == '*') | |
252b5132 | 758 | { |
d70910e8 KH |
759 | cattext (&out, "*"); |
760 | idx += 2; | |
252b5132 | 761 | } |
d70910e8 KH |
762 | else if (at (tos, idx) == '\n' |
763 | && at (tos, idx + 1) == 'o' | |
764 | && isspace ((unsigned char) at (tos, idx + 2))) | |
765 | { | |
766 | if (!on) | |
252b5132 | 767 | { |
d70910e8 KH |
768 | cattext (&out, "\n@itemize @bullet\n"); |
769 | on = 1; | |
770 | ||
252b5132 | 771 | } |
d70910e8 KH |
772 | cattext (&out, "\n@item\n"); |
773 | idx += 3; | |
774 | } | |
775 | else | |
776 | { | |
777 | catchar (&out, at (tos, idx)); | |
778 | if (on && at (tos, idx) == '\n' | |
779 | && at (tos, idx + 1) == '\n' | |
780 | && at (tos, idx + 2) != 'o') | |
252b5132 | 781 | { |
d70910e8 KH |
782 | cattext (&out, "@end itemize"); |
783 | on = 0; | |
252b5132 | 784 | } |
d70910e8 KH |
785 | idx++; |
786 | ||
252b5132 | 787 | } |
d70910e8 KH |
788 | } |
789 | if (on) | |
252b5132 | 790 | { |
d70910e8 KH |
791 | cattext (&out, "@end itemize\n"); |
792 | } | |
252b5132 | 793 | |
d70910e8 KH |
794 | delete_string (tos); |
795 | *tos = out; | |
796 | pc++; | |
252b5132 RH |
797 | } |
798 | ||
799 | /* Turn <<foo>> into @code{foo} in place at TOS*/ | |
252b5132 | 800 | |
9ee6f9cc AM |
801 | static void |
802 | do_fancy_stuff () | |
252b5132 | 803 | { |
d70910e8 KH |
804 | unsigned int idx = 0; |
805 | string_type out; | |
806 | init_string (&out); | |
807 | while (at (tos, idx)) | |
252b5132 | 808 | { |
d70910e8 KH |
809 | if (at (tos, idx) == '<' |
810 | && at (tos, idx + 1) == '<' | |
811 | && !isspace ((unsigned char) at (tos, idx + 2))) | |
252b5132 | 812 | { |
d70910e8 KH |
813 | /* This qualifies as a << startup. */ |
814 | idx += 2; | |
815 | cattext (&out, "@code{"); | |
816 | while (at (tos, idx) | |
817 | && at (tos, idx) != '>' ) | |
252b5132 | 818 | { |
d70910e8 KH |
819 | catchar (&out, at (tos, idx)); |
820 | idx++; | |
821 | ||
252b5132 | 822 | } |
d70910e8 KH |
823 | cattext (&out, "}"); |
824 | idx += 2; | |
252b5132 | 825 | } |
d70910e8 | 826 | else |
252b5132 | 827 | { |
d70910e8 KH |
828 | catchar (&out, at (tos, idx)); |
829 | idx++; | |
252b5132 RH |
830 | } |
831 | } | |
d70910e8 KH |
832 | delete_string (tos); |
833 | *tos = out; | |
834 | pc++; | |
835 | ||
252b5132 | 836 | } |
d70910e8 KH |
837 | |
838 | /* A command is all upper case,and alone on a line. */ | |
839 | ||
840 | static int | |
256d98af KH |
841 | iscommand (ptr, idx) |
842 | string_type *ptr; | |
843 | unsigned int idx; | |
252b5132 | 844 | { |
d70910e8 KH |
845 | unsigned int len = 0; |
846 | while (at (ptr, idx)) | |
847 | { | |
848 | if (isupper ((unsigned char) at (ptr, idx)) | |
849 | || at (ptr, idx) == ' ' || at (ptr, idx) == '_') | |
850 | { | |
851 | len++; | |
852 | idx++; | |
252b5132 | 853 | } |
d70910e8 KH |
854 | else if (at (ptr, idx) == '\n') |
855 | { | |
856 | if (len > 3) | |
857 | return 1; | |
858 | return 0; | |
859 | } | |
860 | else | |
861 | return 0; | |
862 | } | |
863 | return 0; | |
252b5132 RH |
864 | } |
865 | ||
252b5132 | 866 | static int |
256d98af KH |
867 | copy_past_newline (ptr, idx, dst) |
868 | string_type *ptr; | |
869 | unsigned int idx; | |
870 | string_type *dst; | |
252b5132 | 871 | { |
d70910e8 | 872 | int column = 0; |
252b5132 | 873 | |
d70910e8 | 874 | while (at (ptr, idx) && at (ptr, idx) != '\n') |
252b5132 | 875 | { |
d70910e8 KH |
876 | if (at (ptr, idx) == '\t') |
877 | { | |
878 | /* Expand tabs. Neither makeinfo nor TeX can cope well with | |
879 | them. */ | |
880 | do | |
881 | catchar (dst, ' '); | |
882 | while (++column & 7); | |
883 | } | |
884 | else | |
885 | { | |
886 | catchar (dst, at (ptr, idx)); | |
887 | column++; | |
888 | } | |
889 | idx++; | |
890 | ||
891 | } | |
892 | catchar (dst, at (ptr, idx)); | |
893 | idx++; | |
894 | return idx; | |
252b5132 RH |
895 | |
896 | } | |
897 | ||
9ee6f9cc AM |
898 | static void |
899 | icopy_past_newline () | |
252b5132 | 900 | { |
d70910e8 KH |
901 | tos++; |
902 | check_range (); | |
903 | init_string (tos); | |
904 | idx = copy_past_newline (ptr, idx, tos); | |
905 | pc++; | |
252b5132 RH |
906 | } |
907 | ||
908 | /* indent | |
d70910e8 | 909 | Take the string at the top of the stack, do some prettying. */ |
252b5132 | 910 | |
9ee6f9cc AM |
911 | static void |
912 | kill_bogus_lines () | |
252b5132 | 913 | { |
d70910e8 KH |
914 | int sl; |
915 | ||
916 | int idx = 0; | |
917 | int c; | |
918 | int dot = 0; | |
919 | ||
920 | string_type out; | |
921 | init_string (&out); | |
922 | /* Drop leading nl. */ | |
923 | while (at (tos, idx) == '\n') | |
252b5132 | 924 | { |
d70910e8 | 925 | idx++; |
252b5132 | 926 | } |
d70910e8 KH |
927 | c = idx; |
928 | ||
929 | /* If the first char is a '.' prepend a newline so that it is | |
930 | recognized properly later. */ | |
931 | if (at (tos, idx) == '.') | |
932 | catchar (&out, '\n'); | |
933 | ||
934 | /* Find the last char. */ | |
935 | while (at (tos, idx)) | |
252b5132 | 936 | { |
d70910e8 | 937 | idx++; |
252b5132 | 938 | } |
d70910e8 KH |
939 | |
940 | /* Find the last non white before the nl. */ | |
941 | idx--; | |
942 | ||
943 | while (idx && isspace ((unsigned char) at (tos, idx))) | |
252b5132 | 944 | idx--; |
d70910e8 | 945 | idx++; |
252b5132 | 946 | |
d70910e8 KH |
947 | /* Copy buffer upto last char, but blank lines before and after |
948 | dots don't count. */ | |
949 | sl = 1; | |
950 | ||
951 | while (c < idx) | |
252b5132 | 952 | { |
d70910e8 KH |
953 | if (at (tos, c) == '\n' |
954 | && at (tos, c + 1) == '\n' | |
955 | && at (tos, c + 2) == '.') | |
252b5132 | 956 | { |
d70910e8 KH |
957 | /* Ignore two newlines before a dot. */ |
958 | c++; | |
252b5132 | 959 | } |
d70910e8 | 960 | else if (at (tos, c) == '.' && sl) |
252b5132 | 961 | { |
d70910e8 KH |
962 | /* remember that this line started with a dot. */ |
963 | dot = 2; | |
252b5132 | 964 | } |
d70910e8 KH |
965 | else if (at (tos, c) == '\n' |
966 | && at (tos, c + 1) == '\n' | |
967 | && dot) | |
252b5132 | 968 | { |
d70910e8 KH |
969 | c++; |
970 | /* Ignore two newlines when last line was dot. */ | |
252b5132 RH |
971 | } |
972 | ||
d70910e8 KH |
973 | catchar (&out, at (tos, c)); |
974 | if (at (tos, c) == '\n') | |
252b5132 | 975 | { |
d70910e8 KH |
976 | sl = 1; |
977 | ||
978 | if (dot == 2) | |
979 | dot = 1; | |
980 | else | |
981 | dot = 0; | |
252b5132 | 982 | } |
d70910e8 KH |
983 | else |
984 | sl = 0; | |
985 | ||
986 | c++; | |
252b5132 RH |
987 | |
988 | } | |
d70910e8 KH |
989 | |
990 | /* Append nl. */ | |
991 | catchar (&out, '\n'); | |
992 | pc++; | |
993 | delete_string (tos); | |
994 | *tos = out; | |
995 | ||
252b5132 RH |
996 | } |
997 | ||
9ee6f9cc AM |
998 | static void |
999 | indent () | |
252b5132 | 1000 | { |
d70910e8 KH |
1001 | string_type out; |
1002 | int tab = 0; | |
1003 | int idx = 0; | |
1004 | int ol = 0; | |
1005 | init_string (&out); | |
1006 | while (at (tos, idx)) | |
1007 | { | |
1008 | switch (at (tos, idx)) | |
1009 | { | |
1010 | case '\n': | |
1011 | cattext (&out, "\n"); | |
1012 | idx++; | |
1013 | if (tab && at (tos, idx)) | |
252b5132 | 1014 | { |
d70910e8 | 1015 | cattext (&out, " "); |
252b5132 | 1016 | } |
d70910e8 KH |
1017 | ol = 0; |
1018 | break; | |
1019 | case '(': | |
1020 | tab++; | |
1021 | if (ol == 0) | |
1022 | cattext (&out, " "); | |
1023 | idx++; | |
1024 | cattext (&out, "("); | |
1025 | ol = 1; | |
1026 | break; | |
1027 | case ')': | |
1028 | tab--; | |
1029 | cattext (&out, ")"); | |
1030 | idx++; | |
1031 | ol = 1; | |
1032 | ||
1033 | break; | |
1034 | default: | |
1035 | catchar (&out, at (tos, idx)); | |
1036 | ol = 1; | |
1037 | ||
1038 | idx++; | |
1039 | break; | |
1040 | } | |
1041 | } | |
252b5132 | 1042 | |
d70910e8 KH |
1043 | pc++; |
1044 | delete_string (tos); | |
1045 | *tos = out; | |
252b5132 RH |
1046 | |
1047 | } | |
1048 | ||
9ee6f9cc AM |
1049 | static void |
1050 | get_stuff_in_command () | |
252b5132 | 1051 | { |
d70910e8 KH |
1052 | tos++; |
1053 | check_range (); | |
1054 | init_string (tos); | |
252b5132 | 1055 | |
d70910e8 KH |
1056 | while (at (ptr, idx)) |
1057 | { | |
1058 | if (iscommand (ptr, idx)) | |
1059 | break; | |
1060 | idx = copy_past_newline (ptr, idx, tos); | |
1061 | } | |
1062 | pc++; | |
252b5132 RH |
1063 | } |
1064 | ||
9ee6f9cc AM |
1065 | static void |
1066 | swap () | |
252b5132 | 1067 | { |
d70910e8 KH |
1068 | string_type t; |
1069 | ||
1070 | t = tos[0]; | |
1071 | tos[0] = tos[-1]; | |
1072 | tos[-1] = t; | |
1073 | pc++; | |
252b5132 RH |
1074 | } |
1075 | ||
9ee6f9cc AM |
1076 | static void |
1077 | other_dup () | |
252b5132 | 1078 | { |
d70910e8 KH |
1079 | tos++; |
1080 | check_range (); | |
1081 | init_string (tos); | |
1082 | catstr (tos, tos - 1); | |
1083 | pc++; | |
252b5132 RH |
1084 | } |
1085 | ||
9ee6f9cc AM |
1086 | static void |
1087 | drop () | |
252b5132 RH |
1088 | { |
1089 | tos--; | |
1090 | check_range (); | |
1091 | pc++; | |
1092 | } | |
1093 | ||
9ee6f9cc AM |
1094 | static void |
1095 | idrop () | |
252b5132 RH |
1096 | { |
1097 | isp--; | |
1098 | icheck_range (); | |
1099 | pc++; | |
1100 | } | |
1101 | ||
9ee6f9cc AM |
1102 | static void |
1103 | icatstr () | |
252b5132 | 1104 | { |
d70910e8 KH |
1105 | tos--; |
1106 | check_range (); | |
1107 | catstr (tos, tos + 1); | |
1108 | delete_string (tos + 1); | |
1109 | pc++; | |
252b5132 RH |
1110 | } |
1111 | ||
9ee6f9cc AM |
1112 | static void |
1113 | skip_past_newline () | |
252b5132 | 1114 | { |
aaffae57 | 1115 | idx = skip_past_newline_1 (ptr, idx); |
d70910e8 | 1116 | pc++; |
252b5132 RH |
1117 | } |
1118 | ||
9ee6f9cc AM |
1119 | static void |
1120 | internalmode () | |
252b5132 | 1121 | { |
d70910e8 KH |
1122 | internal_mode = *(isp); |
1123 | isp--; | |
1124 | icheck_range (); | |
1125 | pc++; | |
252b5132 RH |
1126 | } |
1127 | ||
9ee6f9cc AM |
1128 | static void |
1129 | maybecatstr () | |
252b5132 | 1130 | { |
d70910e8 | 1131 | if (internal_wanted == internal_mode) |
252b5132 | 1132 | { |
d70910e8 | 1133 | catstr (tos - 1, tos); |
252b5132 | 1134 | } |
d70910e8 KH |
1135 | delete_string (tos); |
1136 | tos--; | |
1137 | check_range (); | |
1138 | pc++; | |
252b5132 RH |
1139 | } |
1140 | ||
1141 | char * | |
256d98af KH |
1142 | nextword (string, word) |
1143 | char *string; | |
1144 | char **word; | |
252b5132 | 1145 | { |
d70910e8 KH |
1146 | char *word_start; |
1147 | int idx; | |
1148 | char *dst; | |
1149 | char *src; | |
1150 | ||
1151 | int length = 0; | |
1152 | ||
1153 | while (isspace ((unsigned char) *string) || *string == '-') | |
1154 | { | |
1155 | if (*string == '-') | |
252b5132 | 1156 | { |
d70910e8 | 1157 | while (*string && *string != '\n') |
252b5132 | 1158 | string++; |
d70910e8 KH |
1159 | |
1160 | } | |
1161 | else | |
1162 | { | |
1163 | string++; | |
252b5132 RH |
1164 | } |
1165 | } | |
d70910e8 KH |
1166 | if (!*string) |
1167 | return 0; | |
252b5132 | 1168 | |
d70910e8 KH |
1169 | word_start = string; |
1170 | if (*string == '"') | |
1171 | { | |
1172 | do | |
1173 | { | |
1174 | string++; | |
1175 | length++; | |
1176 | if (*string == '\\') | |
252b5132 | 1177 | { |
d70910e8 KH |
1178 | string += 2; |
1179 | length += 2; | |
252b5132 | 1180 | } |
d70910e8 KH |
1181 | } |
1182 | while (*string != '"'); | |
252b5132 | 1183 | } |
d70910e8 KH |
1184 | else |
1185 | { | |
1186 | while (!isspace ((unsigned char) *string)) | |
1187 | { | |
1188 | string++; | |
1189 | length++; | |
252b5132 | 1190 | |
d70910e8 KH |
1191 | } |
1192 | } | |
252b5132 | 1193 | |
e3ad91e3 | 1194 | *word = (char *) malloc (length + 1); |
252b5132 | 1195 | |
d70910e8 KH |
1196 | dst = *word; |
1197 | src = word_start; | |
252b5132 | 1198 | |
d70910e8 KH |
1199 | for (idx = 0; idx < length; idx++) |
1200 | { | |
1201 | if (src[idx] == '\\') | |
1202 | switch (src[idx + 1]) | |
1203 | { | |
1204 | case 'n': | |
1205 | *dst++ = '\n'; | |
1206 | idx++; | |
1207 | break; | |
1208 | case '"': | |
1209 | case '\\': | |
1210 | *dst++ = src[idx + 1]; | |
1211 | idx++; | |
1212 | break; | |
1213 | default: | |
1214 | *dst++ = '\\'; | |
1215 | break; | |
1216 | } | |
1217 | else | |
1218 | *dst++ = src[idx]; | |
1219 | } | |
1220 | *dst++ = 0; | |
252b5132 | 1221 | |
d70910e8 KH |
1222 | if (*string) |
1223 | return string + 1; | |
1224 | else | |
1225 | return 0; | |
252b5132 | 1226 | } |
d70910e8 | 1227 | |
252b5132 | 1228 | dict_type *root; |
d70910e8 | 1229 | |
252b5132 | 1230 | dict_type * |
256d98af KH |
1231 | lookup_word (word) |
1232 | char *word; | |
252b5132 RH |
1233 | { |
1234 | dict_type *ptr = root; | |
d70910e8 KH |
1235 | while (ptr) |
1236 | { | |
1237 | if (strcmp (ptr->word, word) == 0) | |
1238 | return ptr; | |
252b5132 | 1239 | ptr = ptr->next; |
252b5132 RH |
1240 | } |
1241 | if (warning) | |
d70910e8 | 1242 | fprintf (stderr, "Can't find %s\n", word); |
252b5132 | 1243 | return 0; |
252b5132 RH |
1244 | } |
1245 | ||
256d98af | 1246 | static void |
51240b8d | 1247 | perform () |
252b5132 RH |
1248 | { |
1249 | tos = stack; | |
252b5132 | 1250 | |
d70910e8 KH |
1251 | while (at (ptr, idx)) |
1252 | { | |
1253 | /* It's worth looking through the command list. */ | |
1254 | if (iscommand (ptr, idx)) | |
1255 | { | |
1256 | char *next; | |
1257 | dict_type *word; | |
252b5132 | 1258 | |
d70910e8 | 1259 | (void) nextword (addr (ptr, idx), &next); |
252b5132 | 1260 | |
d70910e8 | 1261 | word = lookup_word (next); |
252b5132 | 1262 | |
d70910e8 KH |
1263 | if (word) |
1264 | { | |
1265 | exec (word); | |
1266 | } | |
1267 | else | |
1268 | { | |
1269 | if (warning) | |
1270 | fprintf (stderr, "warning, %s is not recognised\n", next); | |
1271 | skip_past_newline (); | |
1272 | } | |
b2e951ec | 1273 | free (next); |
252b5132 | 1274 | } |
d70910e8 KH |
1275 | else |
1276 | skip_past_newline (); | |
252b5132 RH |
1277 | } |
1278 | } | |
1279 | ||
1280 | dict_type * | |
256d98af KH |
1281 | newentry (word) |
1282 | char *word; | |
252b5132 | 1283 | { |
d3ce72d0 NC |
1284 | dict_type *new_d = (dict_type *) malloc (sizeof (dict_type)); |
1285 | new_d->word = word; | |
1286 | new_d->next = root; | |
1287 | root = new_d; | |
1288 | new_d->code = (stinst_type *) malloc (sizeof (stinst_type)); | |
1289 | new_d->code_length = 1; | |
1290 | new_d->code_end = 0; | |
1291 | return new_d; | |
252b5132 RH |
1292 | } |
1293 | ||
252b5132 | 1294 | unsigned int |
256d98af KH |
1295 | add_to_definition (entry, word) |
1296 | dict_type *entry; | |
1297 | stinst_type word; | |
252b5132 | 1298 | { |
d70910e8 | 1299 | if (entry->code_end == entry->code_length) |
252b5132 | 1300 | { |
d70910e8 KH |
1301 | entry->code_length += 2; |
1302 | entry->code = | |
1303 | (stinst_type *) realloc ((char *) (entry->code), | |
1304 | entry->code_length * sizeof (word_type)); | |
252b5132 | 1305 | } |
d70910e8 | 1306 | entry->code[entry->code_end] = word; |
252b5132 | 1307 | |
d70910e8 KH |
1308 | return entry->code_end++; |
1309 | } | |
252b5132 RH |
1310 | |
1311 | void | |
256d98af KH |
1312 | add_intrinsic (name, func) |
1313 | char *name; | |
d70910e8 | 1314 | void (*func) (); |
252b5132 | 1315 | { |
d3ce72d0 NC |
1316 | dict_type *new_d = newentry (name); |
1317 | add_to_definition (new_d, func); | |
1318 | add_to_definition (new_d, 0); | |
252b5132 RH |
1319 | } |
1320 | ||
1321 | void | |
256d98af KH |
1322 | add_var (name) |
1323 | char *name; | |
252b5132 | 1324 | { |
d3ce72d0 NC |
1325 | dict_type *new_d = newentry (name); |
1326 | add_to_definition (new_d, push_number); | |
1327 | add_to_definition (new_d, (stinst_type) (&(new_d->var))); | |
1328 | add_to_definition (new_d, 0); | |
252b5132 RH |
1329 | } |
1330 | ||
d70910e8 | 1331 | void |
256d98af KH |
1332 | compile (string) |
1333 | char *string; | |
252b5132 | 1334 | { |
d70910e8 KH |
1335 | /* Add words to the dictionary. */ |
1336 | char *word; | |
1337 | string = nextword (string, &word); | |
1338 | while (string && *string && word[0]) | |
252b5132 | 1339 | { |
d70910e8 | 1340 | if (strcmp (word, "var") == 0) |
252b5132 | 1341 | { |
d70910e8 KH |
1342 | string = nextword (string, &word); |
1343 | ||
1344 | add_var (word); | |
1345 | string = nextword (string, &word); | |
252b5132 | 1346 | } |
d70910e8 | 1347 | else if (word[0] == ':') |
252b5132 | 1348 | { |
d70910e8 KH |
1349 | dict_type *ptr; |
1350 | /* Compile a word and add to dictionary. */ | |
1351 | string = nextword (string, &word); | |
1352 | ||
1353 | ptr = newentry (word); | |
1354 | string = nextword (string, &word); | |
1355 | while (word[0] != ';') | |
252b5132 | 1356 | { |
d70910e8 KH |
1357 | switch (word[0]) |
1358 | { | |
1359 | case '"': | |
1360 | /* got a string, embed magic push string | |
1361 | function */ | |
1362 | add_to_definition (ptr, push_text); | |
1363 | add_to_definition (ptr, (stinst_type) (word + 1)); | |
1364 | break; | |
1365 | case '0': | |
1366 | case '1': | |
1367 | case '2': | |
1368 | case '3': | |
1369 | case '4': | |
1370 | case '5': | |
1371 | case '6': | |
1372 | case '7': | |
1373 | case '8': | |
1374 | case '9': | |
1375 | /* Got a number, embedd the magic push number | |
1376 | function */ | |
1377 | add_to_definition (ptr, push_number); | |
1378 | add_to_definition (ptr, (stinst_type) atol (word)); | |
1379 | break; | |
1380 | default: | |
1381 | add_to_definition (ptr, call); | |
1382 | add_to_definition (ptr, (stinst_type) lookup_word (word)); | |
1383 | } | |
1384 | ||
1385 | string = nextword (string, &word); | |
252b5132 | 1386 | } |
d70910e8 KH |
1387 | add_to_definition (ptr, 0); |
1388 | string = nextword (string, &word); | |
252b5132 | 1389 | } |
d70910e8 | 1390 | else |
252b5132 | 1391 | { |
d70910e8 KH |
1392 | fprintf (stderr, "syntax error at %s\n", string - 1); |
1393 | } | |
252b5132 | 1394 | } |
252b5132 RH |
1395 | } |
1396 | ||
256d98af | 1397 | static void |
51240b8d | 1398 | bang () |
252b5132 | 1399 | { |
d70910e8 KH |
1400 | *(long *) ((isp[0])) = isp[-1]; |
1401 | isp -= 2; | |
252b5132 RH |
1402 | icheck_range (); |
1403 | pc++; | |
1404 | } | |
1405 | ||
9ee6f9cc AM |
1406 | static void |
1407 | atsign () | |
252b5132 | 1408 | { |
d70910e8 KH |
1409 | isp[0] = *(long *) (isp[0]); |
1410 | pc++; | |
252b5132 RH |
1411 | } |
1412 | ||
9ee6f9cc AM |
1413 | static void |
1414 | hello () | |
252b5132 | 1415 | { |
d70910e8 KH |
1416 | printf ("hello\n"); |
1417 | pc++; | |
252b5132 RH |
1418 | } |
1419 | ||
9ee6f9cc AM |
1420 | static void |
1421 | stdout_ () | |
252b5132 RH |
1422 | { |
1423 | isp++; | |
1424 | icheck_range (); | |
1425 | *isp = 1; | |
1426 | pc++; | |
1427 | } | |
1428 | ||
9ee6f9cc AM |
1429 | static void |
1430 | stderr_ () | |
252b5132 RH |
1431 | { |
1432 | isp++; | |
1433 | icheck_range (); | |
1434 | *isp = 2; | |
1435 | pc++; | |
1436 | } | |
1437 | ||
9ee6f9cc AM |
1438 | static void |
1439 | print () | |
252b5132 RH |
1440 | { |
1441 | if (*isp == 1) | |
1442 | write_buffer (tos, stdout); | |
1443 | else if (*isp == 2) | |
1444 | write_buffer (tos, stderr); | |
1445 | else | |
1446 | fprintf (stderr, "print: illegal print destination `%ld'\n", *isp); | |
1447 | isp--; | |
1448 | tos--; | |
1449 | icheck_range (); | |
1450 | check_range (); | |
1451 | pc++; | |
1452 | } | |
1453 | ||
256d98af KH |
1454 | static void |
1455 | read_in (str, file) | |
d70910e8 KH |
1456 | string_type *str; |
1457 | FILE *file; | |
252b5132 | 1458 | { |
d70910e8 KH |
1459 | char buff[10000]; |
1460 | unsigned int r; | |
1461 | do | |
252b5132 | 1462 | { |
d70910e8 KH |
1463 | r = fread (buff, 1, sizeof (buff), file); |
1464 | catbuf (str, buff, r); | |
252b5132 | 1465 | } |
d70910e8 KH |
1466 | while (r); |
1467 | buff[0] = 0; | |
252b5132 | 1468 | |
d70910e8 KH |
1469 | catbuf (str, buff, 1); |
1470 | } | |
252b5132 | 1471 | |
256d98af | 1472 | static void |
51240b8d | 1473 | usage () |
252b5132 | 1474 | { |
d70910e8 KH |
1475 | fprintf (stderr, "usage: -[d|i|g] <file >file\n"); |
1476 | exit (33); | |
252b5132 RH |
1477 | } |
1478 | ||
1479 | /* There is no reliable way to declare exit. Sometimes it returns | |
1480 | int, and sometimes it returns void. Sometimes it changes between | |
1481 | OS releases. Trying to get it declared correctly in the hosts file | |
1482 | is a pointless waste of time. */ | |
1483 | ||
1484 | static void | |
1485 | chew_exit () | |
1486 | { | |
1487 | exit (0); | |
1488 | } | |
1489 | ||
256d98af | 1490 | int |
d70910e8 | 1491 | main (ac, av) |
256d98af KH |
1492 | int ac; |
1493 | char *av[]; | |
252b5132 RH |
1494 | { |
1495 | unsigned int i; | |
1496 | string_type buffer; | |
1497 | string_type pptr; | |
1498 | ||
d70910e8 KH |
1499 | init_string (&buffer); |
1500 | init_string (&pptr); | |
1501 | init_string (stack + 0); | |
1502 | tos = stack + 1; | |
252b5132 | 1503 | ptr = &pptr; |
d70910e8 KH |
1504 | |
1505 | add_intrinsic ("push_text", push_text); | |
1506 | add_intrinsic ("!", bang); | |
1507 | add_intrinsic ("@", atsign); | |
1508 | add_intrinsic ("hello", hello); | |
1509 | add_intrinsic ("stdout", stdout_); | |
1510 | add_intrinsic ("stderr", stderr_); | |
1511 | add_intrinsic ("print", print); | |
1512 | add_intrinsic ("skip_past_newline", skip_past_newline); | |
1513 | add_intrinsic ("catstr", icatstr); | |
1514 | add_intrinsic ("copy_past_newline", icopy_past_newline); | |
1515 | add_intrinsic ("dup", other_dup); | |
1516 | add_intrinsic ("drop", drop); | |
1517 | add_intrinsic ("idrop", idrop); | |
1518 | add_intrinsic ("remchar", remchar); | |
1519 | add_intrinsic ("get_stuff_in_command", get_stuff_in_command); | |
1520 | add_intrinsic ("do_fancy_stuff", do_fancy_stuff); | |
1521 | add_intrinsic ("bulletize", bulletize); | |
1522 | add_intrinsic ("courierize", courierize); | |
252b5132 RH |
1523 | /* If the following line gives an error, exit() is not declared in the |
1524 | ../hosts/foo.h file for this host. Fix it there, not here! */ | |
1525 | /* No, don't fix it anywhere; see comment on chew_exit--Ian Taylor. */ | |
d70910e8 KH |
1526 | add_intrinsic ("exit", chew_exit); |
1527 | add_intrinsic ("swap", swap); | |
1528 | add_intrinsic ("outputdots", outputdots); | |
1529 | add_intrinsic ("paramstuff", paramstuff); | |
1530 | add_intrinsic ("maybecatstr", maybecatstr); | |
1531 | add_intrinsic ("translatecomments", translatecomments); | |
1532 | add_intrinsic ("kill_bogus_lines", kill_bogus_lines); | |
1533 | add_intrinsic ("indent", indent); | |
1534 | add_intrinsic ("internalmode", internalmode); | |
1535 | add_intrinsic ("print_stack_level", print_stack_level); | |
1536 | add_intrinsic ("strip_trailing_newlines", strip_trailing_newlines); | |
1537 | ||
1538 | /* Put a nl at the start. */ | |
1539 | catchar (&buffer, '\n'); | |
1540 | ||
1541 | read_in (&buffer, stdin); | |
1542 | remove_noncomments (&buffer, ptr); | |
1543 | for (i = 1; i < (unsigned int) ac; i++) | |
252b5132 | 1544 | { |
d70910e8 | 1545 | if (av[i][0] == '-') |
252b5132 | 1546 | { |
d70910e8 KH |
1547 | if (av[i][1] == 'f') |
1548 | { | |
1549 | string_type b; | |
1550 | FILE *f; | |
1551 | init_string (&b); | |
252b5132 | 1552 | |
d70910e8 KH |
1553 | f = fopen (av[i + 1], "r"); |
1554 | if (!f) | |
1555 | { | |
1556 | fprintf (stderr, "Can't open the input file %s\n", | |
1557 | av[i + 1]); | |
1558 | return 33; | |
1559 | } | |
1560 | ||
1561 | read_in (&b, f); | |
1562 | compile (b.ptr); | |
1563 | perform (); | |
1564 | } | |
1565 | else if (av[i][1] == 'i') | |
1566 | { | |
1567 | internal_wanted = 1; | |
1568 | } | |
1569 | else if (av[i][1] == 'w') | |
1570 | { | |
1571 | warning = 1; | |
1572 | } | |
1573 | else | |
1574 | usage (); | |
1575 | } | |
252b5132 | 1576 | } |
d70910e8 | 1577 | write_buffer (stack + 0, stdout); |
252b5132 RH |
1578 | if (tos != stack) |
1579 | { | |
709bcda1 | 1580 | fprintf (stderr, "finishing with current stack level %ld\n", |
13ce3c11 | 1581 | (long) (tos - stack)); |
252b5132 RH |
1582 | return 1; |
1583 | } | |
1584 | return 0; | |
1585 | } |