Line data Source code
1 : /*-
2 : * Copyright (c) 1985 Sun Microsystems, Inc.
3 : * Copyright (c) 1976 Board of Trustees of the University of Illinois.
4 : * Copyright (c) 1980, 1993
5 : * The Regents of the University of California. All rights reserved.
6 : *
7 : * Redistribution and use in source and binary forms, with or without
8 : * modification, are permitted provided that the following conditions
9 : * are met:
10 : * 1. Redistributions of source code must retain the above copyright
11 : * notice, this list of conditions and the following disclaimer.
12 : * 2. Redistributions in binary form must reproduce the above copyright
13 : * notice, this list of conditions and the following disclaimer in the
14 : * documentation and/or other materials provided with the distribution.
15 : * 3. Neither the name of the University nor the names of its contributors
16 : * may be used to endorse or promote products derived from this software
17 : * without specific prior written permission.
18 : *
19 : * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 : * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 : * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 : * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 : * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 : * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 : * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 : * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 : * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 : * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 : * SUCH DAMAGE.
30 : */
31 :
32 : #if 0
33 : #ifndef lint
34 : static char sccsid[] = "@(#)indent.c 5.17 (Berkeley) 6/7/93";
35 : #endif /* not lint */
36 : #endif
37 :
38 : #include "c.h"
39 :
40 : #include <sys/param.h>
41 : #include <err.h>
42 : #include <fcntl.h>
43 : #include <unistd.h>
44 : #include <stdio.h>
45 : #include <stdlib.h>
46 : #include <string.h>
47 : #include <ctype.h>
48 :
49 : /* Tell indent_globs.h to define our global variables here */
50 : #define DECLARE_INDENT_GLOBALS 1
51 :
52 : #include "indent_globs.h"
53 : #include "indent_codes.h"
54 : #include "indent.h"
55 :
56 : static void bakcopy(void);
57 : static void indent_declaration(int cur_dec_ind, int tabs_to_var);
58 :
59 : const char *in_name = "Standard Input"; /* will always point to name of input
60 : * file */
61 : const char *out_name = "Standard Output"; /* will always point to name
62 : * of output file */
63 : char bakfile[MAXPGPATH] = "";
64 :
65 : int
66 19 : main(int argc, char **argv)
67 : {
68 : int dec_ind; /* current indentation for declarations */
69 : int di_stack[20]; /* a stack of structure indentation levels */
70 : int force_nl; /* when true, code must be broken */
71 19 : int hd_type = 0; /* used to store type of stmt for if (...),
72 : * for (...), etc */
73 : int i; /* local loop counter */
74 : int scase; /* set to true when we see a case, so we will
75 : * know what to do with the following colon */
76 : int sp_sw; /* when true, we are in the expression of
77 : * if(...), while(...), etc. */
78 : int squest; /* when this is positive, we have seen a ?
79 : * without the matching : in a <c>?<s>:<s>
80 : * construct */
81 : const char *t_ptr; /* used for copying tokens */
82 : int tabs_to_var; /* true if using tabs to indent to var name */
83 : int type_code; /* the type of token, returned by lexi */
84 :
85 19 : int last_else = 0; /* true iff last keyword was an else */
86 19 : const char *profile_name = NULL;
87 : struct parser_state transient_state; /* a copy for lookup */
88 :
89 :
90 : /*-----------------------------------------------*\
91 : | INITIALIZATION |
92 : \*-----------------------------------------------*/
93 :
94 19 : found_err = 0;
95 :
96 19 : ps.p_stack[0] = stmt; /* this is the parser's stack */
97 19 : ps.last_nl = true; /* this is true if the last thing scanned was
98 : * a newline */
99 19 : ps.last_token = semicolon;
100 19 : combuf = (char *) malloc(bufsize);
101 19 : if (combuf == NULL)
102 0 : err(1, NULL);
103 19 : labbuf = (char *) malloc(bufsize);
104 19 : if (labbuf == NULL)
105 0 : err(1, NULL);
106 19 : codebuf = (char *) malloc(bufsize);
107 19 : if (codebuf == NULL)
108 0 : err(1, NULL);
109 19 : tokenbuf = (char *) malloc(bufsize);
110 19 : if (tokenbuf == NULL)
111 0 : err(1, NULL);
112 19 : alloc_typenames();
113 19 : l_com = combuf + bufsize - 5;
114 19 : l_lab = labbuf + bufsize - 5;
115 19 : l_code = codebuf + bufsize - 5;
116 19 : l_token = tokenbuf + bufsize - 5;
117 19 : combuf[0] = codebuf[0] = labbuf[0] = ' '; /* set up code, label, and
118 : * comment buffers */
119 19 : combuf[1] = codebuf[1] = labbuf[1] = '\0';
120 19 : ps.else_if = 1; /* Default else-if special processing to on */
121 19 : s_lab = e_lab = labbuf + 1;
122 19 : s_code = e_code = codebuf + 1;
123 19 : s_com = e_com = combuf + 1;
124 19 : s_token = e_token = tokenbuf + 1;
125 :
126 19 : in_buffer = (char *) malloc(10);
127 19 : if (in_buffer == NULL)
128 0 : err(1, NULL);
129 19 : in_buffer_limit = in_buffer + 8;
130 19 : buf_ptr = buf_end = in_buffer;
131 19 : line_no = 1;
132 19 : had_eof = ps.in_decl = ps.decl_on_line = break_comma = false;
133 19 : sp_sw = force_nl = false;
134 19 : ps.in_or_st = false;
135 19 : ps.bl_line = true;
136 19 : dec_ind = 0;
137 19 : di_stack[ps.dec_nest = 0] = 0;
138 19 : ps.want_blank = ps.in_stmt = ps.ind_stmt = false;
139 :
140 19 : scase = ps.pcase = false;
141 19 : squest = 0;
142 19 : sc_end = NULL;
143 19 : bp_save = NULL;
144 19 : be_save = NULL;
145 :
146 19 : output = NULL;
147 19 : tabs_to_var = 0;
148 :
149 : /*--------------------------------------------------*\
150 : | COMMAND LINE SCAN |
151 : \*--------------------------------------------------*/
152 :
153 : #ifdef undef
154 : max_col = 78; /* -l78 */
155 : lineup_to_parens = 1; /* -lp */
156 : lineup_to_parens_always = 0; /* -nlpl */
157 : ps.ljust_decl = 0; /* -ndj */
158 : ps.com_ind = 33; /* -c33 */
159 : star_comment_cont = 1; /* -sc */
160 : ps.ind_size = 8; /* -i8 */
161 : verbose = 0;
162 : ps.decl_indent = 16; /* -di16 */
163 : ps.local_decl_indent = -1; /* if this is not set to some nonnegative value
164 : * by an arg, we will set this equal to
165 : * ps.decl_ind */
166 : ps.indent_parameters = 1; /* -ip */
167 : ps.decl_com_ind = 0; /* if this is not set to some positive value
168 : * by an arg, we will set this equal to
169 : * ps.com_ind */
170 : btype_2 = 1; /* -br */
171 : cuddle_else = 1; /* -ce */
172 : ps.unindent_displace = 0; /* -d0 */
173 : ps.case_indent = 0; /* -cli0 */
174 : format_block_comments = 1; /* -fcb */
175 : format_col1_comments = 1; /* -fc1 */
176 : procnames_start_line = 1; /* -psl */
177 : proc_calls_space = 0; /* -npcs */
178 : comment_delimiter_on_blankline = 1; /* -cdb */
179 : ps.leave_comma = 1; /* -nbc */
180 : #endif
181 :
182 74 : for (i = 1; i < argc; ++i)
183 55 : if (strcmp(argv[i], "-npro") == 0)
184 0 : break;
185 55 : else if (argv[i][0] == '-' && argv[i][1] == 'P' && argv[i][2] != '\0')
186 18 : profile_name = argv[i]; /* non-empty -P (set profile) */
187 19 : set_defaults();
188 19 : if (i >= argc)
189 19 : set_profile(profile_name);
190 :
191 73 : for (i = 1; i < argc; ++i) {
192 :
193 : /*
194 : * look thru args (if any) for changes to defaults
195 : */
196 55 : if (argv[i][0] != '-') {/* no flag on parameter */
197 36 : if (input == NULL) { /* we must have the input file */
198 18 : in_name = argv[i]; /* remember name of input file */
199 18 : input = fopen(in_name, "r");
200 18 : if (input == NULL) /* check for open error */
201 0 : err(1, "%s", in_name);
202 18 : continue;
203 : }
204 18 : else if (output == NULL) { /* we have the output file */
205 18 : out_name = argv[i]; /* remember name of output file */
206 18 : if (strcmp(in_name, out_name) == 0) { /* attempt to overwrite
207 : * the file */
208 0 : errx(1, "input and output files must be different");
209 : }
210 18 : output = fopen(out_name, "wb");
211 18 : if (output == NULL) /* check for create error */
212 0 : err(1, "%s", out_name);
213 18 : continue;
214 : }
215 0 : errx(1, "unknown parameter: %s", argv[i]);
216 : }
217 : else
218 19 : set_option(argv[i]);
219 : } /* end of for */
220 18 : if (input == NULL)
221 0 : input = stdin;
222 18 : if (output == NULL) {
223 0 : if (input == stdin)
224 0 : output = stdout;
225 : else {
226 0 : out_name = in_name;
227 0 : bakcopy();
228 : }
229 : }
230 :
231 18 : if (ps.com_ind <= 1)
232 0 : ps.com_ind = 2; /* dont put normal comments before column 2 */
233 18 : if (block_comment_max_col <= 0)
234 18 : block_comment_max_col = max_col;
235 18 : if (ps.local_decl_indent < 0) /* if not specified by user, set this */
236 18 : ps.local_decl_indent = ps.decl_indent;
237 18 : if (ps.decl_com_ind <= 0) /* if not specified by user, set this */
238 18 : ps.decl_com_ind = ps.ljust_decl ? (ps.com_ind <= 10 ? 2 : ps.com_ind - 8) : ps.com_ind;
239 18 : if (continuation_indent == 0)
240 18 : continuation_indent = ps.ind_size;
241 18 : fill_buffer(); /* get first batch of stuff into input buffer */
242 :
243 18 : parse(semicolon);
244 : {
245 18 : char *p = buf_ptr;
246 18 : int col = 1;
247 :
248 : while (1) {
249 18 : if (*p == ' ')
250 0 : col++;
251 18 : else if (*p == '\t')
252 0 : col = tabsize * (1 + (col - 1) / tabsize) + 1;
253 : else
254 18 : break;
255 0 : p++;
256 : }
257 18 : if (col > ps.ind_size)
258 0 : ps.ind_level = ps.i_l_follow = col / ps.ind_size;
259 : }
260 :
261 : /*
262 : * START OF MAIN LOOP
263 : */
264 :
265 1214 : while (1) { /* this is the main loop. it will go until we
266 : * reach eof */
267 1232 : int comment_buffered = false;
268 :
269 1232 : type_code = lexi(&ps); /* lexi reads one token. The actual
270 : * characters read are stored in "token". lexi
271 : * returns a code indicating the type of token */
272 :
273 : /*
274 : * The following code moves newlines and comments following an if (),
275 : * while (), else, etc. up to the start of the following stmt to
276 : * a buffer. This allows proper handling of both kinds of brace
277 : * placement (-br, -bl) and cuddling "else" (-ce).
278 : */
279 :
280 1321 : while (ps.search_brace) {
281 216 : switch (type_code) {
282 46 : case newline:
283 46 : if (sc_end == NULL) {
284 30 : save_com = sc_buf;
285 30 : save_com[0] = save_com[1] = ' ';
286 30 : sc_end = &save_com[2];
287 : }
288 46 : *sc_end++ = '\n';
289 : /*
290 : * We may have inherited a force_nl == true from the previous
291 : * token (like a semicolon). But once we know that a newline
292 : * has been scanned in this loop, force_nl should be false.
293 : *
294 : * However, the force_nl == true must be preserved if newline
295 : * is never scanned in this loop, so this assignment cannot be
296 : * done earlier.
297 : */
298 46 : force_nl = false;
299 46 : break;
300 0 : case form_feed:
301 0 : break;
302 9 : case comment:
303 9 : if (sc_end == NULL) {
304 : /*
305 : * Copy everything from the start of the line, because
306 : * pr_comment() will use that to calculate original
307 : * indentation of a boxed comment.
308 : */
309 4 : memcpy(sc_buf, in_buffer, buf_ptr - in_buffer - 4);
310 4 : save_com = sc_buf + (buf_ptr - in_buffer - 4);
311 4 : save_com[0] = save_com[1] = ' ';
312 4 : sc_end = &save_com[2];
313 : }
314 9 : comment_buffered = true;
315 9 : *sc_end++ = '/'; /* copy in start of comment */
316 9 : *sc_end++ = '*';
317 : for (;;) { /* loop until we get to the end of the comment */
318 293 : *sc_end = *buf_ptr++;
319 293 : if (buf_ptr >= buf_end)
320 4 : fill_buffer();
321 293 : if (*sc_end++ == '*' && *buf_ptr == '/')
322 9 : break; /* we are at end of comment */
323 284 : if (sc_end >= &save_com[sc_size]) { /* check for temp buffer
324 : * overflow */
325 0 : diag2(1, "Internal buffer overflow - Move big comment from right after if, while, or whatever");
326 0 : fflush(output);
327 0 : exit(1);
328 : }
329 : }
330 9 : *sc_end++ = '/'; /* add ending slash */
331 9 : if (++buf_ptr >= buf_end) /* get past / in buffer */
332 0 : fill_buffer();
333 9 : break;
334 29 : case lbrace:
335 : /*
336 : * Put KNF-style lbraces before the buffered up tokens and
337 : * jump out of this loop in order to avoid copying the token
338 : * again under the default case of the switch below.
339 : */
340 29 : if (sc_end != NULL && btype_2) {
341 15 : save_com[0] = '{';
342 : /*
343 : * Originally the lbrace may have been alone on its own
344 : * line, but it will be moved into "the else's line", so
345 : * if there was a newline resulting from the "{" before,
346 : * it must be scanned now and ignored.
347 : */
348 39 : while (isspace((unsigned char)*buf_ptr)) {
349 28 : if (++buf_ptr >= buf_end)
350 14 : fill_buffer();
351 28 : if (*buf_ptr == '\n')
352 4 : break;
353 : }
354 15 : goto sw_buffer;
355 : }
356 : pg_fallthrough;
357 : default: /* it is the start of a normal statement */
358 : {
359 : int remove_newlines;
360 :
361 146 : remove_newlines =
362 : /* "} else" */
363 2 : (type_code == sp_nparen && *token == 'e' &&
364 2 : e_code != s_code && e_code[-1] == '}')
365 : /* "else if" */
366 149 : || (type_code == sp_paren && *token == 'i' &&
367 1 : last_else && ps.else_if);
368 146 : if (remove_newlines)
369 3 : force_nl = false;
370 146 : if (sc_end == NULL) { /* ignore buffering if
371 : * comment wasn't saved up */
372 127 : ps.search_brace = false;
373 127 : goto check_type;
374 : }
375 38 : while (sc_end > save_com && isblank((unsigned char)sc_end[-1])) {
376 19 : sc_end--;
377 : }
378 19 : if (swallow_optional_blanklines ||
379 13 : (!comment_buffered && remove_newlines)) {
380 1 : force_nl = !remove_newlines;
381 4 : while (sc_end > save_com && sc_end[-1] == '\n') {
382 3 : sc_end--;
383 : }
384 : }
385 19 : if (force_nl) { /* if we should insert a nl here, put
386 : * it into the buffer */
387 1 : force_nl = false;
388 1 : --line_no; /* this will be re-increased when the
389 : * newline is read from the buffer */
390 1 : *sc_end++ = '\n';
391 1 : *sc_end++ = ' ';
392 1 : if (verbose) /* print error msg if the line was
393 : * not already broken */
394 0 : diag2(0, "Line broken");
395 : }
396 86 : for (t_ptr = token; *t_ptr; ++t_ptr)
397 67 : *sc_end++ = *t_ptr;
398 :
399 19 : sw_buffer:
400 34 : ps.search_brace = false; /* stop looking for start of
401 : * stmt */
402 34 : bp_save = buf_ptr; /* save current input buffer */
403 34 : be_save = buf_end;
404 34 : buf_ptr = save_com; /* fix so that subsequent calls to
405 : * lexi will take tokens out of
406 : * save_com */
407 34 : *sc_end++ = ' ';/* add trailing blank, just in case */
408 34 : buf_end = sc_end;
409 34 : sc_end = NULL;
410 34 : break;
411 : }
412 : } /* end of switch */
413 : /*
414 : * We must make this check, just in case there was an unexpected
415 : * EOF.
416 : */
417 89 : if (type_code != 0) {
418 : /*
419 : * The only intended purpose of calling lexi() below is to
420 : * categorize the next token in order to decide whether to
421 : * continue buffering forthcoming tokens. Once the buffering
422 : * is over, lexi() will be called again elsewhere on all of
423 : * the tokens - this time for normal processing.
424 : *
425 : * Calling it for this purpose is a bug, because lexi() also
426 : * changes the parser state and discards leading whitespace,
427 : * which is needed mostly for comment-related considerations.
428 : *
429 : * Work around the former problem by giving lexi() a copy of
430 : * the current parser state and discard it if the call turned
431 : * out to be just a look ahead.
432 : *
433 : * Work around the latter problem by copying all whitespace
434 : * characters into the buffer so that the later lexi() call
435 : * will read them.
436 : */
437 89 : if (sc_end != NULL) {
438 86 : while (*buf_ptr == ' ' || *buf_ptr == '\t') {
439 31 : *sc_end++ = *buf_ptr++;
440 31 : if (sc_end >= &save_com[sc_size]) {
441 0 : errx(1, "input too long");
442 : }
443 : }
444 55 : if (buf_ptr >= buf_end) {
445 0 : fill_buffer();
446 : }
447 : }
448 89 : transient_state = ps;
449 89 : type_code = lexi(&transient_state); /* read another token */
450 89 : if (type_code != newline && type_code != form_feed &&
451 50 : type_code != comment && !transient_state.search_brace) {
452 16 : ps = transient_state;
453 : }
454 : }
455 : } /* end of while (search_brace) */
456 1105 : last_else = 0;
457 1232 : check_type:
458 1232 : if (type_code == 0) { /* we got eof */
459 18 : if (s_lab != e_lab || s_code != e_code
460 1 : || s_com != e_com) /* must dump end of line */
461 17 : dump_line();
462 18 : if (ps.tos > 1) /* check for balanced braces */
463 0 : diag2(1, "Stuff missing from end of file");
464 :
465 18 : if (verbose) {
466 0 : printf("There were %d output lines and %d comments\n",
467 : ps.out_lines, ps.out_coms);
468 0 : printf("(Lines with comments)/(Lines with code): %6.3f\n",
469 : (1.0 * ps.com_lines) / code_lines);
470 : }
471 18 : fflush(output);
472 18 : exit(found_err);
473 : }
474 1214 : if (
475 1156 : (type_code != comment) &&
476 877 : (type_code != newline) &&
477 866 : (type_code != preesc) &&
478 : (type_code != form_feed)) {
479 866 : if (force_nl &&
480 7 : (type_code != semicolon) &&
481 4 : (type_code != lbrace || !btype_2)) {
482 : /* we should force a broken line here */
483 6 : if (verbose)
484 0 : diag2(0, "Line broken");
485 6 : dump_line();
486 6 : ps.want_blank = false; /* dont insert blank at line start */
487 6 : force_nl = false;
488 : }
489 866 : ps.in_stmt = true; /* turn on flag which causes an extra level of
490 : * indentation. this is turned off by a ; or
491 : * '}' */
492 866 : if (s_com != e_com) { /* the turkey has embedded a comment
493 : * in a line. fix it */
494 2 : int len = e_com - s_com;
495 :
496 2 : CHECK_SIZE_CODE(len + 3);
497 2 : *e_code++ = ' ';
498 2 : memcpy(e_code, s_com, len);
499 2 : e_code += len;
500 2 : *e_code++ = ' ';
501 2 : *e_code = '\0'; /* null terminate code sect */
502 2 : ps.want_blank = false;
503 2 : e_com = s_com;
504 : }
505 : }
506 348 : else if (type_code != comment) /* preserve force_nl thru a comment */
507 290 : force_nl = false; /* cancel forced newline after newline, form
508 : * feed, etc */
509 :
510 :
511 :
512 : /*-----------------------------------------------------*\
513 : | do switch on type of token scanned |
514 : \*-----------------------------------------------------*/
515 1214 : CHECK_SIZE_CODE(3); /* maximum number of increments of e_code
516 : * before the next CHECK_SIZE_CODE or
517 : * dump_line() is 2. After that there's the
518 : * final increment for the null character. */
519 1214 : switch (type_code) { /* now, decide what to do with the token */
520 :
521 0 : case form_feed: /* found a form feed in line */
522 0 : ps.use_ff = true; /* a form feed is treated much like a newline */
523 0 : dump_line();
524 0 : ps.want_blank = false;
525 0 : break;
526 :
527 279 : case newline:
528 279 : if (ps.last_token != comma || ps.p_l_follow > 0
529 16 : || !ps.leave_comma || ps.block_init || !break_comma || s_com != e_com) {
530 271 : dump_line();
531 271 : ps.want_blank = false;
532 : }
533 279 : ++line_no; /* keep track of input line number */
534 279 : break;
535 :
536 78 : case lparen: /* got a '(' or '[' */
537 : /* count parens to make Healy happy */
538 78 : if (++ps.p_l_follow == nitems(ps.paren_indents)) {
539 0 : diag3(0, "Reached internal limit of %d unclosed parens",
540 : nitems(ps.paren_indents));
541 0 : ps.p_l_follow--;
542 : }
543 78 : if (*token == '[')
544 : /* not a function pointer declaration or a function call */;
545 71 : else if (ps.in_decl && !ps.block_init && !ps.dumped_decl_indent &&
546 4 : ps.procname[0] == '\0' && ps.paren_level == 0) {
547 : /* function pointer declarations */
548 4 : indent_declaration(dec_ind, tabs_to_var);
549 4 : ps.dumped_decl_indent = true;
550 : }
551 67 : else if (ps.want_blank &&
552 43 : ((ps.last_token != ident && ps.last_token != funcname) ||
553 : /* offsetof (1) is never allowed a space; sizeof (2) gets
554 : * one iff -bs; all other keywords (>2) always get a space
555 : * before lparen */
556 17 : ps.keyword + Bill_Shannon > 2))
557 27 : *e_code++ = ' ';
558 78 : ps.want_blank = false;
559 78 : *e_code++ = token[0];
560 78 : ps.paren_indents[ps.p_l_follow - 1] = count_spaces_until(1, s_code, e_code) - 1;
561 78 : if (sp_sw && ps.p_l_follow == 1 && extra_expression_indent
562 0 : && ps.paren_indents[0] < 2 * ps.ind_size)
563 0 : ps.paren_indents[0] = 2 * ps.ind_size;
564 78 : if (ps.in_or_st && *token == '(' && ps.tos <= 2) {
565 : /*
566 : * this is a kluge to make sure that declarations will be
567 : * aligned right if proc decl has an explicit type on it, i.e.
568 : * "int a(x) {..."
569 : */
570 27 : parse(semicolon); /* I said this was a kluge... */
571 27 : ps.in_or_st = false; /* turn off flag for structure decl or
572 : * initialization */
573 : }
574 : /*
575 : * parenthesized type following sizeof or offsetof is not a cast,
576 : * and we assume the same for any other non-keyword identifier,
577 : * to support macros that take types
578 : */
579 78 : if (ps.last_token == ident &&
580 24 : (ps.keyword == 0 || ps.keyword == 1 || ps.keyword == 2))
581 23 : ps.not_cast_mask |= 1 << ps.p_l_follow;
582 78 : break;
583 :
584 78 : case rparen: /* got a ')' or ']' */
585 78 : if (ps.cast_mask & (1 << ps.p_l_follow) & ~ps.not_cast_mask) {
586 31 : ps.last_u_d = true;
587 31 : ps.cast_mask &= (1 << ps.p_l_follow) - 1;
588 31 : ps.want_blank = space_after_cast;
589 : } else
590 47 : ps.want_blank = true;
591 78 : ps.not_cast_mask &= (1 << ps.p_l_follow) - 1;
592 78 : if (--ps.p_l_follow < 0) {
593 0 : ps.p_l_follow = 0;
594 0 : diag3(0, "Extra %c", *token);
595 : }
596 78 : if (e_code == s_code) /* if the paren starts the line */
597 0 : ps.paren_level = ps.p_l_follow; /* then indent it */
598 :
599 78 : *e_code++ = token[0];
600 :
601 78 : if (sp_sw && (ps.p_l_follow == 0)) { /* check for end of if
602 : * (...), or some such */
603 11 : sp_sw = false;
604 11 : force_nl = true;/* must force newline after if */
605 11 : ps.last_u_d = true; /* inform lexi that a following
606 : * operator is unary */
607 11 : ps.in_stmt = false; /* dont use stmt continuation
608 : * indentation */
609 :
610 11 : parse(hd_type); /* let parser worry about if, or whatever */
611 : }
612 78 : ps.search_brace = btype_2; /* this should ensure that constructs
613 : * such as main(){...} and int[]{...}
614 : * have their braces put in the right
615 : * place */
616 78 : break;
617 :
618 42 : case unary_op: /* this could be any unary operation */
619 42 : if (!ps.dumped_decl_indent && ps.in_decl && !ps.block_init &&
620 15 : ps.procname[0] == '\0' && ps.paren_level == 0) {
621 : /* pointer declarations */
622 :
623 : /*
624 : * if this is a unary op in a declaration, we should indent
625 : * this token
626 : */
627 27 : for (i = 0; token[i]; ++i)
628 : /* find length of token */;
629 12 : indent_declaration(dec_ind - i, tabs_to_var);
630 12 : ps.dumped_decl_indent = true;
631 : }
632 30 : else if (ps.want_blank)
633 19 : *e_code++ = ' ';
634 :
635 : {
636 42 : int len = e_token - s_token;
637 :
638 42 : CHECK_SIZE_CODE(len);
639 42 : memcpy(e_code, token, len);
640 42 : e_code += len;
641 : }
642 42 : ps.want_blank = false;
643 42 : break;
644 :
645 39 : case binary_op: /* any binary operation */
646 : {
647 39 : int len = e_token - s_token;
648 :
649 39 : CHECK_SIZE_CODE(len + 1);
650 39 : if (ps.want_blank)
651 39 : *e_code++ = ' ';
652 39 : memcpy(e_code, token, len);
653 39 : e_code += len;
654 : }
655 39 : ps.want_blank = true;
656 39 : break;
657 :
658 0 : case postop: /* got a trailing ++ or -- */
659 0 : *e_code++ = token[0];
660 0 : *e_code++ = token[1];
661 0 : ps.want_blank = true;
662 0 : break;
663 :
664 0 : case question: /* got a ? */
665 0 : squest++; /* this will be used when a later colon
666 : * appears so we can distinguish the
667 : * <c>?<n>:<n> construct */
668 0 : if (ps.want_blank)
669 0 : *e_code++ = ' ';
670 0 : *e_code++ = '?';
671 0 : ps.want_blank = true;
672 0 : break;
673 :
674 2 : case casestmt: /* got word 'case' or 'default' */
675 2 : scase = true; /* so we can process the later colon properly */
676 2 : goto copy_id;
677 :
678 5 : case colon: /* got a ':' */
679 5 : if (squest > 0) { /* it is part of the <c>?<n>: <n> construct */
680 0 : --squest;
681 0 : if (ps.want_blank)
682 0 : *e_code++ = ' ';
683 0 : *e_code++ = ':';
684 0 : ps.want_blank = true;
685 0 : break;
686 : }
687 5 : if (ps.in_or_st) {
688 0 : *e_code++ = ':';
689 0 : ps.want_blank = false;
690 0 : break;
691 : }
692 5 : ps.in_stmt = false; /* seeing a label does not imply we are in a
693 : * stmt */
694 : /*
695 : * turn everything so far into a label
696 : */
697 : {
698 5 : int len = e_code - s_code;
699 :
700 5 : CHECK_SIZE_LAB(len + 3);
701 5 : memcpy(e_lab, s_code, len);
702 5 : e_lab += len;
703 5 : *e_lab++ = ':';
704 5 : *e_lab = '\0';
705 5 : e_code = s_code;
706 : }
707 5 : force_nl = ps.pcase = scase; /* ps.pcase will be used by
708 : * dump_line to decide how to
709 : * indent the label. force_nl
710 : * will force a case n: to be
711 : * on a line by itself */
712 5 : scase = false;
713 5 : ps.want_blank = false;
714 5 : break;
715 :
716 73 : case semicolon: /* got a ';' */
717 73 : if (ps.dec_nest == 0)
718 67 : ps.in_or_st = false;/* we are not in an initialization or
719 : * structure declaration */
720 73 : scase = false; /* these will only need resetting in an error */
721 73 : squest = 0;
722 73 : if (ps.last_token == rparen)
723 13 : ps.in_parameter_declaration = 0;
724 73 : ps.cast_mask = 0;
725 73 : ps.not_cast_mask = 0;
726 73 : ps.block_init = 0;
727 73 : ps.block_init_level = 0;
728 73 : ps.just_saw_decl--;
729 :
730 73 : if (ps.in_decl && s_code == e_code && !ps.block_init &&
731 1 : !ps.dumped_decl_indent && ps.paren_level == 0) {
732 : /* indent stray semicolons in declarations */
733 1 : indent_declaration(dec_ind - 1, tabs_to_var);
734 1 : ps.dumped_decl_indent = true;
735 : }
736 :
737 73 : ps.in_decl = (ps.dec_nest > 0); /* if we were in a first level
738 : * structure declaration, we
739 : * arent any more */
740 :
741 73 : if ((!sp_sw || hd_type != forstmt) && ps.p_l_follow > 0) {
742 :
743 : /*
744 : * This should be true iff there were unbalanced parens in the
745 : * stmt. It is a bit complicated, because the semicolon might
746 : * be in a for stmt
747 : */
748 0 : diag2(1, "Unbalanced parens");
749 0 : ps.p_l_follow = 0;
750 0 : if (sp_sw) { /* this is a check for an if, while, etc. with
751 : * unbalanced parens */
752 0 : sp_sw = false;
753 0 : parse(hd_type); /* dont lose the if, or whatever */
754 : }
755 : }
756 73 : *e_code++ = ';';
757 73 : ps.want_blank = true;
758 73 : ps.in_stmt = (ps.p_l_follow > 0); /* we are no longer in the
759 : * middle of a stmt */
760 :
761 73 : if (!sp_sw) { /* if not if for (;;) */
762 73 : parse(semicolon); /* let parser know about end of stmt */
763 73 : force_nl = true;/* force newline after an end of stmt */
764 : }
765 73 : break;
766 :
767 41 : case lbrace: /* got a '{' */
768 41 : ps.in_stmt = false; /* dont indent the {} */
769 41 : if (!ps.block_init)
770 33 : force_nl = true;/* force other stuff on same line as '{' onto
771 : * new line */
772 8 : else if (ps.block_init_level <= 0)
773 5 : ps.block_init_level = 1;
774 : else
775 3 : ps.block_init_level++;
776 :
777 41 : if (s_code != e_code && !ps.block_init) {
778 29 : if (!btype_2) {
779 1 : dump_line();
780 1 : ps.want_blank = false;
781 : }
782 28 : else if (ps.in_parameter_declaration && !ps.in_or_st) {
783 20 : ps.i_l_follow = 0;
784 20 : if (function_brace_split) { /* dump the line prior to the
785 : * brace ... */
786 20 : dump_line();
787 20 : ps.want_blank = false;
788 : } else /* add a space between the decl and brace */
789 0 : ps.want_blank = true;
790 : }
791 : }
792 41 : if (ps.in_parameter_declaration)
793 21 : prefix_blankline_requested = 0;
794 :
795 41 : if (ps.p_l_follow > 0) { /* check for preceding unbalanced
796 : * parens */
797 0 : diag2(1, "Unbalanced parens");
798 0 : ps.p_l_follow = 0;
799 0 : if (sp_sw) { /* check for unclosed if, for, etc. */
800 0 : sp_sw = false;
801 0 : parse(hd_type);
802 0 : ps.ind_level = ps.i_l_follow;
803 : }
804 : }
805 41 : if (s_code == e_code)
806 29 : ps.ind_stmt = false; /* dont put extra indentation on line
807 : * with '{' */
808 41 : if (ps.in_decl && ps.in_or_st) { /* this is either a structure
809 : * declaration or an init */
810 13 : di_stack[ps.dec_nest] = dec_ind;
811 13 : if (++ps.dec_nest == nitems(di_stack)) {
812 0 : diag3(0, "Reached internal limit of %d struct levels",
813 : nitems(di_stack));
814 0 : ps.dec_nest--;
815 : }
816 : /* ? dec_ind = 0; */
817 : }
818 : else {
819 28 : ps.decl_on_line = false; /* we can't be in the middle of
820 : * a declaration, so don't do
821 : * special indentation of
822 : * comments */
823 28 : if (blanklines_after_declarations_at_proctop
824 0 : && ps.in_parameter_declaration)
825 0 : postfix_blankline_requested = 1;
826 28 : ps.in_parameter_declaration = 0;
827 28 : ps.in_decl = false;
828 : }
829 41 : dec_ind = 0;
830 41 : parse(lbrace); /* let parser know about this */
831 41 : if (ps.want_blank) /* put a blank before '{' if '{' is not at
832 : * start of line */
833 12 : *e_code++ = ' ';
834 41 : ps.want_blank = false;
835 41 : *e_code++ = '{';
836 41 : ps.just_saw_decl = 0;
837 41 : break;
838 :
839 41 : case rbrace: /* got a '}' */
840 41 : if (ps.p_stack[ps.tos] == decl && !ps.block_init) /* semicolons can be
841 : * omitted in
842 : * declarations */
843 0 : parse(semicolon);
844 41 : if (ps.p_l_follow) {/* check for unclosed if, for, else. */
845 0 : diag2(1, "Unbalanced parens");
846 0 : ps.p_l_follow = 0;
847 0 : sp_sw = false;
848 : }
849 41 : ps.just_saw_decl = 0;
850 41 : ps.block_init_level--;
851 41 : if (s_code != e_code && !ps.block_init) { /* '}' must be first on
852 : * line */
853 0 : if (verbose)
854 0 : diag2(0, "Line broken");
855 0 : dump_line();
856 : }
857 41 : *e_code++ = '}';
858 41 : ps.want_blank = true;
859 41 : ps.in_stmt = ps.ind_stmt = false;
860 41 : if (ps.dec_nest > 0) { /* we are in multi-level structure
861 : * declaration */
862 13 : dec_ind = di_stack[--ps.dec_nest];
863 13 : if (ps.dec_nest == 0 && !ps.in_parameter_declaration)
864 10 : ps.just_saw_decl = 2;
865 13 : ps.in_decl = true;
866 : }
867 41 : prefix_blankline_requested = 0;
868 41 : parse(rbrace); /* let parser know about this */
869 41 : ps.search_brace = cuddle_else && ps.p_stack[ps.tos] == ifhead
870 82 : && ps.il[ps.tos] >= ps.ind_level;
871 41 : if (ps.tos <= 1 && blanklines_after_procs && ps.dec_nest <= 0)
872 0 : postfix_blankline_requested = 1;
873 41 : break;
874 :
875 1 : case swstmt: /* got keyword "switch" */
876 1 : sp_sw = true;
877 1 : hd_type = swstmt; /* keep this for when we have seen the
878 : * expression */
879 1 : goto copy_id; /* go move the token into buffer */
880 :
881 10 : case sp_paren: /* token is if, while, for */
882 10 : sp_sw = true; /* the interesting stuff is done after the
883 : * expression is scanned */
884 10 : hd_type = (*token == 'i' ? ifstmt :
885 0 : (*token == 'w' ? whilestmt : forstmt));
886 :
887 : /*
888 : * remember the type of header for later use by parser
889 : */
890 10 : goto copy_id; /* copy the token into line */
891 :
892 5 : case sp_nparen: /* got else, do */
893 5 : ps.in_stmt = false;
894 5 : if (*token == 'e') {
895 5 : if (e_code != s_code && (!cuddle_else || e_code[-1] != '}')) {
896 0 : if (verbose)
897 0 : diag2(0, "Line broken");
898 0 : dump_line();/* make sure this starts a line */
899 0 : ps.want_blank = false;
900 : }
901 5 : force_nl = true;/* also, following stuff must go onto new line */
902 5 : last_else = 1;
903 5 : parse(elselit);
904 : }
905 : else {
906 0 : if (e_code != s_code) { /* make sure this starts a line */
907 0 : if (verbose)
908 0 : diag2(0, "Line broken");
909 0 : dump_line();
910 0 : ps.want_blank = false;
911 : }
912 0 : force_nl = true;/* also, following stuff must go onto new line */
913 0 : last_else = 0;
914 0 : parse(dolit);
915 : }
916 5 : goto copy_id; /* move the token into line */
917 :
918 15 : case type_def:
919 : case storage:
920 15 : prefix_blankline_requested = 0;
921 15 : goto copy_id;
922 :
923 18 : case structure:
924 18 : if (ps.p_l_follow > 0)
925 10 : goto copy_id;
926 : pg_fallthrough;
927 : case decl: /* we have a declaration type (int, etc.) */
928 87 : parse(decl); /* let parser worry about indentation */
929 87 : if (ps.last_token == rparen && ps.tos <= 1) {
930 1 : if (s_code != e_code) {
931 0 : dump_line();
932 0 : ps.want_blank = 0;
933 : }
934 : }
935 87 : if (ps.in_parameter_declaration && ps.indent_parameters && ps.dec_nest == 0) {
936 0 : ps.ind_level = ps.i_l_follow = 1;
937 0 : ps.ind_stmt = 0;
938 : }
939 87 : ps.in_or_st = true; /* this might be a structure or initialization
940 : * declaration */
941 87 : ps.in_decl = ps.decl_on_line = true;
942 87 : if ( /* !ps.in_or_st && */ ps.dec_nest <= 0)
943 81 : ps.just_saw_decl = 2;
944 87 : prefix_blankline_requested = 0;
945 450 : for (i = 0; token[i++];); /* get length of token */
946 :
947 87 : if (ps.ind_level == 0 || ps.dec_nest > 0) {
948 : /* global variable or struct member in local variable */
949 54 : dec_ind = ps.decl_indent > 0 ? ps.decl_indent : i;
950 54 : tabs_to_var = (use_tabs ? ps.decl_indent > 0 : 0);
951 : } else {
952 : /* local variable */
953 33 : dec_ind = ps.local_decl_indent > 0 ? ps.local_decl_indent : i;
954 33 : tabs_to_var = (use_tabs ? ps.local_decl_indent > 0 : 0);
955 : }
956 87 : goto copy_id;
957 :
958 278 : case funcname:
959 : case ident: /* got an identifier or constant */
960 278 : if (ps.in_decl) {
961 181 : if (type_code == funcname) {
962 21 : ps.in_decl = false;
963 21 : if (procnames_start_line && s_code != e_code) {
964 15 : *e_code = '\0';
965 15 : dump_line();
966 : }
967 6 : else if (ps.want_blank) {
968 0 : *e_code++ = ' ';
969 : }
970 21 : ps.want_blank = false;
971 : }
972 160 : else if (!ps.block_init && !ps.dumped_decl_indent &&
973 58 : ps.paren_level == 0) { /* if we are in a declaration, we
974 : * must indent identifier */
975 50 : indent_declaration(dec_ind, tabs_to_var);
976 50 : ps.dumped_decl_indent = true;
977 50 : ps.want_blank = false;
978 : }
979 : }
980 97 : else if (sp_sw && ps.p_l_follow == 0) {
981 0 : sp_sw = false;
982 0 : force_nl = true;
983 0 : ps.last_u_d = true;
984 0 : ps.in_stmt = false;
985 0 : parse(hd_type);
986 : }
987 97 : copy_id:
988 : {
989 408 : int len = e_token - s_token;
990 :
991 408 : CHECK_SIZE_CODE(len + 1);
992 408 : if (ps.want_blank)
993 100 : *e_code++ = ' ';
994 408 : memcpy(e_code, s_token, len);
995 408 : e_code += len;
996 : }
997 408 : if (type_code != funcname)
998 386 : ps.want_blank = true;
999 408 : break;
1000 :
1001 2 : case strpfx:
1002 : {
1003 2 : int len = e_token - s_token;
1004 :
1005 2 : CHECK_SIZE_CODE(len + 1);
1006 2 : if (ps.want_blank)
1007 2 : *e_code++ = ' ';
1008 2 : memcpy(e_code, token, len);
1009 2 : e_code += len;
1010 : }
1011 2 : ps.want_blank = false;
1012 2 : break;
1013 :
1014 4 : case period: /* treat a period kind of like a binary
1015 : * operation */
1016 4 : *e_code++ = '.'; /* move the period into line */
1017 4 : ps.want_blank = false; /* dont put a blank after a period */
1018 4 : break;
1019 :
1020 55 : case comma:
1021 55 : ps.want_blank = (s_code != e_code); /* only put blank after comma
1022 : * if comma does not start the
1023 : * line */
1024 55 : if (ps.in_decl && ps.procname[0] == '\0' && !ps.block_init &&
1025 24 : !ps.dumped_decl_indent && ps.paren_level == 0) {
1026 : /* indent leading commas and not the actual identifiers */
1027 2 : indent_declaration(dec_ind - 1, tabs_to_var);
1028 2 : ps.dumped_decl_indent = true;
1029 : }
1030 55 : *e_code++ = ',';
1031 55 : if (ps.p_l_follow == 0) {
1032 29 : if (ps.block_init_level <= 0)
1033 17 : ps.block_init = 0;
1034 29 : if (break_comma && (!ps.leave_comma ||
1035 12 : count_spaces_until(compute_code_target(), s_code, e_code) >
1036 12 : max_col - tabsize))
1037 1 : force_nl = true;
1038 : }
1039 55 : break;
1040 :
1041 11 : case preesc: /* got the character '#' */
1042 11 : if ((s_com != e_com) ||
1043 11 : (s_lab != e_lab) ||
1044 11 : (s_code != e_code))
1045 0 : dump_line();
1046 11 : CHECK_SIZE_LAB(1);
1047 11 : *e_lab++ = '#'; /* move whole line to 'label' buffer */
1048 : {
1049 11 : int in_comment = 0;
1050 11 : int com_start = 0;
1051 11 : char quote = 0;
1052 11 : int com_end = 0;
1053 :
1054 22 : while (*buf_ptr == ' ' || *buf_ptr == '\t') {
1055 0 : buf_ptr++;
1056 0 : if (buf_ptr >= buf_end)
1057 0 : fill_buffer();
1058 : }
1059 181 : while (*buf_ptr != '\n' || (in_comment && !had_eof)) {
1060 170 : CHECK_SIZE_LAB(2);
1061 170 : *e_lab = *buf_ptr++;
1062 170 : if (buf_ptr >= buf_end)
1063 0 : fill_buffer();
1064 170 : switch (*e_lab++) {
1065 0 : case BACKSLASH:
1066 0 : if (!in_comment) {
1067 0 : *e_lab++ = *buf_ptr++;
1068 0 : if (buf_ptr >= buf_end)
1069 0 : fill_buffer();
1070 : }
1071 0 : break;
1072 4 : case '/':
1073 4 : if (*buf_ptr == '*' && !in_comment && !quote) {
1074 4 : in_comment = 1;
1075 4 : *e_lab++ = *buf_ptr++;
1076 4 : com_start = e_lab - s_lab - 2;
1077 : }
1078 4 : break;
1079 2 : case '"':
1080 2 : if (quote == '"')
1081 0 : quote = 0;
1082 2 : break;
1083 0 : case '\'':
1084 0 : if (quote == '\'')
1085 0 : quote = 0;
1086 0 : break;
1087 4 : case '*':
1088 4 : if (*buf_ptr == '/' && in_comment) {
1089 4 : in_comment = 0;
1090 4 : *e_lab++ = *buf_ptr++;
1091 4 : com_end = e_lab - s_lab;
1092 : }
1093 4 : break;
1094 : }
1095 : }
1096 :
1097 11 : while (e_lab > s_lab && (e_lab[-1] == ' ' || e_lab[-1] == '\t'))
1098 0 : e_lab--;
1099 11 : if (e_lab - s_lab == com_end && bp_save == NULL) {
1100 : /* comment on preprocessor line */
1101 4 : if (sc_end == NULL) { /* if this is the first comment,
1102 : * we must set up the buffer */
1103 4 : save_com = sc_buf;
1104 4 : sc_end = &save_com[0];
1105 : }
1106 : else {
1107 0 : *sc_end++ = '\n'; /* add newline between
1108 : * comments */
1109 0 : *sc_end++ = ' ';
1110 0 : --line_no;
1111 : }
1112 4 : if (sc_end - save_com + com_end - com_start > sc_size)
1113 0 : errx(1, "input too long");
1114 4 : memmove(sc_end, s_lab + com_start, com_end - com_start);
1115 4 : sc_end += com_end - com_start;
1116 4 : e_lab = s_lab + com_start;
1117 9 : while (e_lab > s_lab && (e_lab[-1] == ' ' || e_lab[-1] == '\t'))
1118 5 : e_lab--;
1119 4 : bp_save = buf_ptr; /* save current input buffer */
1120 4 : be_save = buf_end;
1121 4 : buf_ptr = save_com; /* fix so that subsequent calls to
1122 : * lexi will take tokens out of
1123 : * save_com */
1124 4 : *sc_end++ = ' '; /* add trailing blank, just in case */
1125 4 : buf_end = sc_end;
1126 4 : sc_end = NULL;
1127 : }
1128 11 : CHECK_SIZE_LAB(1);
1129 11 : *e_lab = '\0'; /* null terminate line */
1130 11 : ps.pcase = false;
1131 : }
1132 :
1133 11 : if (strncmp(s_lab, "#if", 3) == 0) { /* also ifdef, ifndef */
1134 2 : if ((size_t)ifdef_level < nitems(state_stack)) {
1135 2 : match_state[ifdef_level].tos = -1;
1136 2 : state_stack[ifdef_level++] = ps;
1137 : }
1138 : else
1139 0 : diag2(1, "#if stack overflow");
1140 : }
1141 9 : else if (strncmp(s_lab, "#el", 3) == 0) { /* else, elif */
1142 4 : if (ifdef_level <= 0)
1143 0 : diag2(1, s_lab[3] == 'i' ? "Unmatched #elif" : "Unmatched #else");
1144 : else {
1145 4 : match_state[ifdef_level - 1] = ps;
1146 4 : ps = state_stack[ifdef_level - 1];
1147 : }
1148 : }
1149 5 : else if (strncmp(s_lab, "#endif", 6) == 0) {
1150 2 : if (ifdef_level <= 0)
1151 0 : diag2(1, "Unmatched #endif");
1152 : else
1153 2 : ifdef_level--;
1154 : } else {
1155 : struct directives {
1156 : int size;
1157 : const char *string;
1158 : }
1159 3 : recognized[] = {
1160 : {7, "include"},
1161 : {6, "define"},
1162 : {5, "undef"},
1163 : {4, "line"},
1164 : {5, "error"},
1165 : {6, "pragma"}
1166 : };
1167 3 : int d = nitems(recognized);
1168 13 : while (--d >= 0)
1169 13 : if (strncmp(s_lab + 1, recognized[d].string, recognized[d].size) == 0)
1170 3 : break;
1171 3 : if (d < 0) {
1172 0 : diag2(1, "Unrecognized cpp directive");
1173 0 : break;
1174 : }
1175 : }
1176 11 : if (blanklines_around_conditional_compilation) {
1177 0 : postfix_blankline_requested++;
1178 0 : n_real_blanklines = 0;
1179 : }
1180 : else {
1181 11 : postfix_blankline_requested = 0;
1182 11 : prefix_blankline_requested = 0;
1183 : }
1184 11 : break; /* subsequent processing of the newline
1185 : * character will cause the line to be printed */
1186 :
1187 58 : case comment: /* we have gotten a / followed by * this is a biggie */
1188 58 : pr_comment();
1189 58 : break;
1190 : } /* end of big switch stmt */
1191 :
1192 1214 : *e_code = '\0'; /* make sure code section is null terminated */
1193 1214 : if (type_code != comment && type_code != newline && type_code != preesc)
1194 866 : ps.last_token = type_code;
1195 : } /* end of main while (1) loop */
1196 : }
1197 :
1198 : /*
1199 : * copy input file to backup file if in_name is /blah/blah/blah/file, then
1200 : * backup file will be ".Bfile" then make the backup file the input and
1201 : * original input file the output
1202 : */
1203 : static void
1204 0 : bakcopy(void)
1205 : {
1206 : int n,
1207 : bakchn;
1208 : char buff[8 * 1024];
1209 : const char *p;
1210 :
1211 : /* construct file name .Bfile */
1212 0 : for (p = in_name; *p; p++); /* skip to end of string */
1213 0 : while (p > in_name && *p != '/') /* find last '/' */
1214 0 : p--;
1215 0 : if (*p == '/')
1216 0 : p++;
1217 0 : sprintf(bakfile, "%s.BAK", p);
1218 :
1219 : /* copy in_name to backup file */
1220 0 : bakchn = creat(bakfile, 0600);
1221 0 : if (bakchn < 0)
1222 0 : err(1, "%s", bakfile);
1223 0 : while ((n = read(fileno(input), buff, sizeof(buff))) > 0)
1224 0 : if (write(bakchn, buff, n) != n)
1225 0 : err(1, "%s", bakfile);
1226 0 : if (n < 0)
1227 0 : err(1, "%s", in_name);
1228 0 : close(bakchn);
1229 0 : fclose(input);
1230 :
1231 : /* re-open backup file as the input file */
1232 0 : input = fopen(bakfile, "r");
1233 0 : if (input == NULL)
1234 0 : err(1, "%s", bakfile);
1235 : /* now the original input file will be the output */
1236 0 : output = fopen(in_name, "wb");
1237 0 : if (output == NULL) {
1238 0 : unlink(bakfile);
1239 0 : err(1, "%s", in_name);
1240 : }
1241 0 : }
1242 :
1243 : static void
1244 69 : indent_declaration(int cur_dec_ind, int tabs_to_var)
1245 : {
1246 69 : int pos = e_code - s_code;
1247 69 : char *startpos = e_code;
1248 :
1249 : /*
1250 : * get the tab math right for indentations that are not multiples of tabsize
1251 : */
1252 69 : if ((ps.ind_level * ps.ind_size) % tabsize != 0) {
1253 0 : pos += (ps.ind_level * ps.ind_size) % tabsize;
1254 0 : cur_dec_ind += (ps.ind_level * ps.ind_size) % tabsize;
1255 : }
1256 69 : if (tabs_to_var) {
1257 : int tpos;
1258 :
1259 69 : CHECK_SIZE_CODE(cur_dec_ind / tabsize);
1260 164 : while ((tpos = tabsize * (1 + pos / tabsize)) <= cur_dec_ind) {
1261 95 : *e_code++ = (!postgres_tab_rules ||
1262 0 : tpos != pos + 1 ||
1263 0 : cur_dec_ind >= tpos + tabsize) ? '\t' : ' ';
1264 95 : pos = tpos;
1265 : }
1266 : }
1267 69 : CHECK_SIZE_CODE(cur_dec_ind - pos + 1);
1268 157 : while (pos < cur_dec_ind) {
1269 88 : *e_code++ = ' ';
1270 88 : pos++;
1271 : }
1272 69 : if (e_code == startpos && ps.want_blank) {
1273 2 : *e_code++ = ' ';
1274 2 : ps.want_blank = false;
1275 : }
1276 69 : }
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