2 * SPDX-License-Identifier: BSD-4-Clause
4 * Copyright (c) 1985 Sun Microsystems, Inc.
5 * Copyright (c) 1980, 1993
6 * The Regents of the University of California. All rights reserved.
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10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * @(#)indent_globs.h 8.1 (Berkeley) 6/6/93
40 #define BACKSLASH '\\'
41 #define bufsize 200 /* size of internal buffers */
42 #define sc_size 5000 /* size of save_com buffer */
43 #define label_offset 2 /* number of levels a label is placed to left
51 extern FILE *input; /* the fid for the input file */
52 extern FILE *output; /* the output file */
54 #define CHECK_SIZE_CODE(desired_size) \
55 if (e_code + (desired_size) >= l_code) { \
56 int nsize = l_code-s_code + 400 + desired_size; \
57 int code_len = e_code-s_code; \
58 codebuf = (char *) realloc(codebuf, nsize); \
59 if (codebuf == NULL) \
61 e_code = codebuf + code_len + 1; \
62 l_code = codebuf + nsize - 5; \
63 s_code = codebuf + 1; \
65 #define CHECK_SIZE_COM(desired_size) \
66 if (e_com + (desired_size) >= l_com) { \
67 int nsize = l_com-s_com + 400 + desired_size; \
68 int com_len = e_com - s_com; \
70 if (last_bl != NULL) \
71 blank_pos = last_bl - combuf; \
74 combuf = (char *) realloc(combuf, nsize); \
77 e_com = combuf + com_len + 1; \
79 last_bl = combuf + blank_pos; \
80 l_com = combuf + nsize - 5; \
83 #define CHECK_SIZE_LAB(desired_size) \
84 if (e_lab + (desired_size) >= l_lab) { \
85 int nsize = l_lab-s_lab + 400 + desired_size; \
86 int label_len = e_lab - s_lab; \
87 labbuf = (char *) realloc(labbuf, nsize); \
90 e_lab = labbuf + label_len + 1; \
91 l_lab = labbuf + nsize - 5; \
94 #define CHECK_SIZE_TOKEN(desired_size) \
95 if (e_token + (desired_size) >= l_token) { \
96 int nsize = l_token-s_token + 400 + desired_size; \
97 int token_len = e_token - s_token; \
98 tokenbuf = (char *) realloc(tokenbuf, nsize); \
99 if (tokenbuf == NULL) \
101 e_token = tokenbuf + token_len + 1; \
102 l_token = tokenbuf + nsize - 5; \
103 s_token = tokenbuf + 1; \
106 extern char *labbuf; /* buffer for label */
107 extern char *s_lab; /* start ... */
108 extern char *e_lab; /* .. and end of stored label */
109 extern char *l_lab; /* limit of label buffer */
111 extern char *codebuf; /* buffer for code section */
112 extern char *s_code; /* start ... */
113 extern char *e_code; /* .. and end of stored code */
114 extern char *l_code; /* limit of code section */
116 extern char *combuf; /* buffer for comments */
117 extern char *s_com; /* start ... */
118 extern char *e_com; /* ... and end of stored comments */
119 extern char *l_com; /* limit of comment buffer */
121 #define token s_token
122 extern char *tokenbuf; /* the last token scanned */
123 extern char *s_token;
124 extern char *e_token;
125 extern char *l_token;
127 extern char *in_buffer; /* input buffer */
128 extern char *in_buffer_limit; /* the end of the input buffer */
129 extern char *buf_ptr; /* ptr to next character to be taken
131 extern char *buf_end; /* ptr to first after last char in
134 extern char sc_buf[sc_size]; /* input text is saved here when looking
135 * for the brace after an if, while, etc */
136 extern char *save_com; /* start of the comment stored in
138 extern char *sc_end; /* pointer into save_com buffer */
140 extern char *bp_save; /* saved value of buf_ptr when taking
141 * input from save_com */
142 extern char *be_save; /* similarly saved value of buf_end */
146 int blanklines_around_conditional_compilation;
147 int blanklines_after_declarations_at_proctop; /* this is vaguely
148 * similar to blanklines_after_decla except
149 * that in only applies to the first set of
150 * declarations in a procedure (just after
151 * the first '{') and it causes a blank line
152 * to be generated even if there are no
154 int blanklines_after_declarations;
155 int blanklines_after_procs;
156 int blanklines_before_blockcomments;
157 int leave_comma; /* if true, never break declarations after
159 int btype_2; /* when true, brace should be on same line
160 * as if, while, etc */
161 int Bill_Shannon; /* true iff a blank should always be
162 * inserted after sizeof */
163 int comment_delimiter_on_blankline;
164 int decl_com_ind; /* the column in which comments after
165 * declarations should be put */
166 int cuddle_else; /* true if else should cuddle up to '}' */
167 int continuation_indent; /* set to the indentation between the
168 * edge of code and continuation lines */
169 float case_indent; /* The distance to indent case labels from the
170 * switch statement */
171 int com_ind; /* the column in which comments to the right
172 * of code should start */
173 int decl_indent; /* column to indent declared identifiers to */
174 int ljust_decl; /* true if declarations should be left
176 int unindent_displace; /* comments not to the right of code
177 * will be placed this many
178 * indentation levels to the left of
180 int extra_expression_indent; /* true if continuation lines from
181 * the expression part of "if(e)",
182 * "while(e)", "for(e;e;e)" should be
183 * indented an extra tab stop so that they
184 * don't conflict with the code that follows */
185 int else_if; /* True iff else if pairs should be handled
187 int function_brace_split; /* split function declaration and
188 * brace onto separate lines */
189 int format_col1_comments; /* If comments which start in column 1
190 * are to be magically reformatted (just
191 * like comments that begin in later columns) */
192 int format_block_comments; /* true if comments beginning with
193 * `/ * \n' are to be reformatted */
194 int indent_parameters;
195 int ind_size; /* the size of one indentation level */
196 int block_comment_max_col;
197 int local_decl_indent; /* like decl_indent but for locals */
198 int lineup_to_parens_always; /* if true, do not attempt to keep
199 * lined-up code within the margin */
200 int lineup_to_parens; /* if true, continued code within parens
201 * will be lined up to the open paren */
202 int pointer_as_binop; /* if true, the pointer dereference operator
203 * will be treated as a binary operator */
204 int proc_calls_space; /* If true, procedure calls look like:
205 * foo (bar) rather than foo(bar) */
206 int procnames_start_line; /* if true, the names of procedures
207 * being defined get placed in column 1 (ie.
208 * a newline is placed between the type of
209 * the procedure and its name) */
210 int space_after_cast; /* "b = (int) a" vs "b = (int)a" */
211 int star_comment_cont; /* true iff comment continuation lines
212 * should have stars at the beginning of
214 int swallow_optional_blanklines;
215 int auto_typedefs; /* set true to recognize identifiers
216 * ending in "_t" like typedefs */
217 int tabsize; /* the size of a tab */
218 int max_col; /* the maximum allowable line length */
219 int use_tabs; /* set true to use tabs for spacing, false
221 int verbose; /* when true, non-essential error messages
224 extern struct options opt;
226 extern int found_err;
227 extern int n_real_blanklines;
228 extern int prefix_blankline_requested;
229 extern int postfix_blankline_requested;
230 extern int break_comma; /* when true and not in parens, break after a
232 extern float case_ind; /* indentation level to be used for a "case
234 extern int code_lines; /* count of lines with code */
235 extern int had_eof; /* set to true when input is exhausted */
236 extern int line_no; /* the current line number. */
237 extern int inhibit_formatting; /* true if INDENT OFF is in effect */
238 extern int suppress_blanklines;/* set iff following blanklines should be
241 #define STACKSIZE 256
243 struct parser_state {
245 int p_stack[STACKSIZE]; /* this is the parsers stack */
246 int il[STACKSIZE]; /* this stack stores indentation levels */
247 float cstk[STACKSIZE];/* used to store case stmt indentation levels */
248 int box_com; /* set to true when we are in a "boxed"
249 * comment. In that case, the first non-blank
250 * char should be lined up with the / in / followed by * */
251 int comment_delta; /* used to set up indentation for all lines
252 * of a boxed comment after the first one */
253 int n_comment_delta;/* remembers how many columns there were
254 * before the start of a box comment so that
255 * forthcoming lines of the comment are
256 * indented properly */
257 int cast_mask; /* indicates which close parens potentially
259 int not_cast_mask; /* indicates which close parens definitely
260 * close off something else than casts */
261 int block_init; /* true iff inside a block initialization */
262 int block_init_level; /* The level of brace nesting in an
264 int last_nl; /* this is true if the last thing scanned was
266 int in_or_st; /* Will be true iff there has been a
267 * declarator (e.g. int or char) and no left
268 * paren since the last semicolon. When true,
269 * a '{' is starting a structure definition or
270 * an initialization list */
271 int bl_line; /* set to 1 by dump_line if the line is blank */
272 int col_1; /* set to true if the last token started in
274 int com_col; /* this is the column in which the current
275 * comment should start */
276 int com_lines; /* the number of lines with comments, set by
278 int dec_nest; /* current nesting level for structure or init */
279 int decl_on_line; /* set to true if this line of code has part
280 * of a declaration on it */
281 int i_l_follow; /* the level to which ind_level should be set
282 * after the current line is printed */
283 int in_decl; /* set to true when we are in a declaration
284 * stmt. The processing of braces is then
285 * slightly different */
286 int in_stmt; /* set to 1 while in a stmt */
287 int ind_level; /* the current indentation level */
288 int ind_stmt; /* set to 1 if next line should have an extra
289 * indentation level because we are in the
290 * middle of a stmt */
291 int last_u_d; /* set to true after scanning a token which
292 * forces a following operator to be unary */
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 */
301 short paren_indents[20]; /* column positions of each paren */
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 */
308 int use_ff; /* set to one if the current line should be
309 * terminated with a form feed */
310 int want_blank; /* set to true when the following token should
311 * be prefixed by a blank. (Said prefixing is
312 * ignored in some cases.) */
313 int keyword; /* the type of a keyword or 0 */
314 int dumped_decl_indent;
315 int in_parameter_declaration;
316 int tos; /* pointer to top of stack */
317 char procname[100]; /* The name of the current procedure */
321 extern struct parser_state ps;
323 extern int ifdef_level;
324 extern struct parser_state state_stack[5];
325 extern struct parser_state match_state[5];