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