2 * Copyright (c) 1985 Sun Microsystems, Inc.
3 * Copyright (c) 1980, 1993
4 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
31 * @(#)indent_globs.h 8.1 (Berkeley) 6/6/93
32 * $FreeBSD: head/usr.bin/indent/indent_globs.h 303735 2016年08月03日 22:08:07Z pfg $
35 #define BACKSLASH '\\'
36 #define bufsize 200 /* size of internal buffers */
37 #define sc_size 5000 /* size of save_com buffer */
38 #define label_offset 2 /* number of levels a label is placed to left
50 * Exactly one calling file should define this symbol. The global variables
51 * will be defined in that file, and just referenced elsewhere.
53#ifdef DECLARE_INDENT_GLOBALS
57extern FILE *
input;
/* the fid for the input file */
58extern FILE *
output;
/* the output file */
60#define CHECK_SIZE_CODE(desired_size) \
61 if (e_code + (desired_size) >= l_code) { \
62 int nsize = l_code-s_code + 400 + desired_size; \
63 int code_len = e_code-s_code; \
64 codebuf = (char *) realloc(codebuf, nsize); \
65 if (codebuf == NULL) \
67 e_code = codebuf + code_len + 1; \
68 l_code = codebuf + nsize - 5; \
69 s_code = codebuf + 1; \
71#define CHECK_SIZE_COM(desired_size) \
72 if (e_com + (desired_size) >= l_com) { \
73 int nsize = l_com-s_com + 400 + desired_size; \
74 int com_len = e_com - s_com; \
76 if (last_bl != NULL) \
77 blank_pos = last_bl - combuf; \
80 combuf = (char *) realloc(combuf, nsize); \
83 e_com = combuf + com_len + 1; \
85 last_bl = combuf + blank_pos; \
86 l_com = combuf + nsize - 5; \
89#define CHECK_SIZE_LAB(desired_size) \
90 if (e_lab + (desired_size) >= l_lab) { \
91 int nsize = l_lab-s_lab + 400 + desired_size; \
92 int label_len = e_lab - s_lab; \
93 labbuf = (char *) realloc(labbuf, nsize); \
96 e_lab = labbuf + label_len + 1; \
97 l_lab = labbuf + nsize - 5; \
100#define CHECK_SIZE_TOKEN(desired_size) \
101 if (e_token + (desired_size) >= l_token) { \
102 int nsize = l_token-s_token + 400 + desired_size; \
103 int token_len = e_token - s_token; \
104 tokenbuf = (char *) realloc(tokenbuf, nsize); \
105 if (tokenbuf == NULL) \
107 e_token = tokenbuf + token_len + 1; \
108 l_token = tokenbuf + nsize - 5; \
109 s_token = tokenbuf + 1; \
112extern char *
labbuf;
/* buffer for label */
113extern char *
s_lab;
/* start ... */
114extern char *
e_lab;
/* .. and end of stored label */
115extern char *
l_lab;
/* limit of label buffer */
117extern char *
codebuf;
/* buffer for code section */
118extern char *
s_code;
/* start ... */
119extern char *
e_code;
/* .. and end of stored code */
120extern char *
l_code;
/* limit of code section */
122extern char *
combuf;
/* buffer for comments */
123extern char *
s_com;
/* start ... */
124extern char *
e_com;
/* ... and end of stored comments */
125extern char *
l_com;
/* limit of comment buffer */
128extern char *
tokenbuf;
/* the last token scanned */
133extern char *
in_buffer;
/* input buffer */
135extern char *
buf_ptr;
/* ptr to next character to be taken from
137extern char *
buf_end;
/* ptr to first after last char in in_buffer */
139extern char sc_buf[
sc_size];
/* input text is saved here when looking for
140 * the brace after an if, while, etc */
141extern char *
save_com;
/* start of the comment stored in sc_buf */
142extern char *
sc_end;
/* pointer into save_com buffer */
144extern char *
bp_save;
/* saved value of buf_ptr when taking input
146extern char *
be_save;
/* similarly saved value of buf_end */
158extern int break_comma;
/* when true and not in parens, break after a
160extern int btype_2;
/* when true, brace should be on same line as
162extern float case_ind;
/* indentation level to be used for a "case
164extern int code_lines;
/* count of lines with code */
165extern int had_eof;
/* set to true when input is exhausted */
166extern int line_no;
/* the current line number. */
167extern int max_col;
/* the maximum allowable line length */
168extern int verbose;
/* when true, non-essential error messages are
170extern int cuddle_else;
/* true if else should cuddle up to '}' */
172 * have stars at the beginning of each line. */
174extern int troff;
/* true iff were generating troff input */
176 * being defined get placed in column
177 * 1 (ie. a newline is placed between
178 * the type of the procedure and its
181 * foo(bar) rather than foo (bar) */
183 * `/ * \n' are to be reformatted */
185 * are to be magically reformatted
186 * (just like comments that begin in
192 * code and continuation lines */
194 * be lined up to the open paren */
196 * lined-up code within the margin */
197extern int Bill_Shannon;
/* true iff a blank should always be inserted
201 * blanklines_after_decla
202 * rations except that
206 * procedure (just after
207 * the first '{') and it
208 * causes a blank line
209 * to be generated even
214 * expression part of "if(e)",
215 * "while(e)", "for(e;e;e)" should be
216 * indented an extra tab stop so that
217 * they don't conflict with the code
220 * brace onto separate lines */
221extern int use_tabs;
/* set true to use tabs for spacing,
222 * false uses all spaces */
223extern int auto_typedefs;
/* set true to recognize identifiers
224 * ending in "_t" like typedefs */
227extern int tabsize;
/* the size of a tab */
229 * the right of #else and #endif
236 int p_stack[256];
/* this is the parsers stack */
237 int il[64];
/* this stack stores indentation levels */
238 float cstk[32];
/* used to store case stmt indentation levels */
239 int box_com;
/* set to true when we are in a "boxed"
240 * comment. In that case, the first non-blank
241 * char should be lined up with the / in / followed by * */
242 int comment_delta;
/* used to set up indentation for all lines
243 * of a boxed comment after the first one */
245 * before the start of a box comment so that
246 * forthcoming lines of the comment are
247 * indented properly */
248 int cast_mask;
/* indicates which close parens potentially
250 int not_cast_mask;
/* indicates which close parens definitely
251 * close off something else than casts */
255 int last_nl;
/* this is true if the last thing scanned was
257 int in_or_st;
/* Will be true iff there has been a
258 * declarator (e.g. int or char) and no left
259 * paren since the last semicolon. When true,
260 * a '{' is starting a structure definition or
261 * an initialization list */
262 int bl_line;
/* set to 1 by dump_line if the line is blank */
263 int col_1;
/* set to true if the last token started in
265 int com_col;
/* this is the column in which the current
266 * comment should start */
267 int com_ind;
/* the column in which comments to the right
268 * of code should start */
269 int com_lines;
/* the number of lines with comments, set by
271 int dec_nest;
/* current nesting level for structure or init */
273 * declarations should be put */
274 int decl_on_line;
/* set to true if this line of code has part
275 * of a declaration on it */
276 int i_l_follow;
/* the level to which ind_level should be set
277 * after the current line is printed */
278 int in_decl;
/* set to true when we are in a declaration
279 * stmt. The processing of braces is then
280 * slightly different */
283 int ind_size;
/* the size of one indentation level */
284 int ind_stmt;
/* set to 1 if next line should have an extra
285 * indentation level because we are in the
286 * middle of a stmt */
287 int last_u_d;
/* set to true after scanning a token which
288 * forces a following operator to be unary */
289 int leave_comma;
/* if true, never break declarations after
291 int ljust_decl;
/* true if declarations should be left
293 int out_coms;
/* the number of comments processed, set by
295 int out_lines;
/* the number of lines written, set by
297 int p_l_follow;
/* used to remember how to indent following
299 int paren_level;
/* parenthesization level. used to indent
300 * within statements */
302 int pcase;
/* set to 1 if the current line label is a
303 * case. It is printed differently from a
305 int search_brace;
/* set to true by parse when it is necessary
306 * to buffer up all info up to the start of a
307 * stmt after an if, while, etc */
309 * will be placed this many
310 * indentation levels to the left of
312 int use_ff;
/* set to one if the current line should be
313 * terminated with a form feed */
314 int want_blank;
/* set to true when the following token should
315 * be prefixed by a blank. (Said prefixing is
316 * ignored in some cases.) */
317 int else_if;
/* True iff else if pairs should be handled
323 float case_indent;
/* The distance to indent case labels from the
324 * switch statement */
327 int tos;
/* pointer to top of stack */
328 char procname[100];
/* The name of the current procedure */
336/* Undo previous hackery */
337#ifdef DECLARE_INDENT_GLOBALS
int blanklines_after_declarations
int block_comment_max_col
int blanklines_after_procs
int postfix_blankline_requested
struct parser_state state_stack[5]
int prefix_blankline_requested
int blanklines_before_blockcomments
int extra_expression_indent
int format_block_comments
int comment_delimiter_on_blankline
struct parser_state match_state[5]
int blanklines_around_conditional_compilation
int swallow_optional_blanklines
int lineup_to_parens_always
int blanklines_after_declarations_at_proctop
int in_parameter_declaration