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
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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
41 #define BACKSLASH '\\'
42 #define bufsize 200 /* size of internal buffers */
43 #define sc_size 5000 /* size of save_com buffer */
44 #define label_offset 2 /* number of levels a label is placed to left
52 FILE *input; /* the fid for the input file */
53 FILE *output; /* the output file */
55 #define CHECK_SIZE_CODE \
56 if (e_code >= l_code) { \
57 int nsize = l_code-s_code+400; \
58 int code_len = e_code-s_code; \
59 codebuf = (char *) realloc(codebuf, nsize); \
60 if (codebuf == NULL) \
62 e_code = codebuf + code_len + 1; \
63 l_code = codebuf + nsize - 5; \
64 s_code = codebuf + 1; \
66 #define CHECK_SIZE_COM \
67 if (e_com >= l_com) { \
68 int nsize = l_com-s_com+400; \
69 int com_len = e_com - s_com; \
70 int blank_pos = last_bl - s_com; \
71 combuf = (char *) realloc(combuf, nsize); \
74 e_com = combuf + com_len + 1; \
75 last_bl = combuf + blank_pos + 1; \
76 l_com = combuf + nsize - 5; \
79 #define CHECK_SIZE_LAB \
80 if (e_lab >= l_lab) { \
81 int nsize = l_lab-s_lab+400; \
82 int label_len = e_lab - s_lab; \
83 labbuf = (char *) realloc(labbuf, nsize); \
86 e_lab = labbuf + label_len + 1; \
87 l_lab = labbuf + nsize - 5; \
90 #define CHECK_SIZE_TOKEN \
91 if (e_token >= l_token) { \
92 int nsize = l_token-s_token+400; \
93 int token_len = e_token - s_token; \
94 tokenbuf = (char *) realloc(tokenbuf, nsize); \
95 if (tokenbuf == NULL) \
97 e_token = tokenbuf + token_len + 1; \
98 l_token = tokenbuf + nsize - 5; \
99 s_token = tokenbuf + 1; \
102 char *labbuf; /* buffer for label */
103 char *s_lab; /* start ... */
104 char *e_lab; /* .. and end of stored label */
105 char *l_lab; /* limit of label buffer */
107 char *codebuf; /* buffer for code section */
108 char *s_code; /* start ... */
109 char *e_code; /* .. and end of stored code */
110 char *l_code; /* limit of code section */
112 char *combuf; /* buffer for comments */
113 char *s_com; /* start ... */
114 char *e_com; /* ... and end of stored comments */
115 char *l_com; /* limit of comment buffer */
117 #define token s_token
118 char *tokenbuf; /* the last token scanned */
123 char *in_buffer; /* input buffer */
124 char *in_buffer_limit; /* the end of the input buffer */
125 char *buf_ptr; /* ptr to next character to be taken from
127 char *buf_end; /* ptr to first after last char in in_buffer */
129 char sc_buf[sc_size]; /* input text is saved here when looking for
130 * the brace after an if, while, etc */
131 char *save_com; /* start of the comment stored in sc_buf */
132 char *sc_end; /* pointer into save_com buffer */
134 char *bp_save; /* saved value of buf_ptr when taking input
136 char *be_save; /* similarly saved value of buf_end */
140 int blanklines_after_declarations;
141 int blanklines_before_blockcomments;
142 int blanklines_after_procs;
143 int blanklines_around_conditional_compilation;
144 int swallow_optional_blanklines;
145 int n_real_blanklines;
146 int prefix_blankline_requested;
147 int postfix_blankline_requested;
148 int break_comma; /* when true and not in parens, break after a
150 int btype_2; /* when true, brace should be on same line as
152 float case_ind; /* indentation level to be used for a "case
154 int code_lines; /* count of lines with code */
155 int had_eof; /* set to true when input is exhausted */
156 int line_no; /* the current line number. */
157 int max_col; /* the maximum allowable line length */
158 int verbose; /* when true, non-essential error messages are
160 int cuddle_else; /* true if else should cuddle up to '}' */
161 int star_comment_cont; /* true iff comment continuation lines should
162 * have stars at the beginning of each line. */
163 int comment_delimiter_on_blankline;
164 int troff; /* true iff were generating troff input */
165 int procnames_start_line; /* if true, the names of procedures
166 * being defined get placed in column
167 * 1 (ie. a newline is placed between
168 * the type of the procedure and its
170 int proc_calls_space; /* If true, procedure calls look like:
171 * foo (bar) rather than foo(bar) */
172 int format_block_comments; /* true if comments beginning with
173 * `/ * \n' are to be reformatted */
174 int format_col1_comments; /* If comments which start in column 1
175 * are to be magically reformatted
176 * (just like comments that begin in
178 int inhibit_formatting; /* true if INDENT OFF is in effect */
179 int suppress_blanklines;/* set iff following blanklines should be
181 int continuation_indent;/* set to the indentation between the edge of
182 * code and continuation lines */
183 int lineup_to_parens; /* if true, continued code within parens will
184 * be lined up to the open paren */
185 int Bill_Shannon; /* true iff a blank should always be inserted
187 int blanklines_after_declarations_at_proctop; /* This is vaguely
189 * blanklines_after_decla
190 * rations except that
194 * procedure (just after
195 * the first '{') and it
196 * causes a blank line
197 * to be generated even
200 int block_comment_max_col;
201 int extra_expression_indent; /* true if continuation lines from the
202 * expression part of "if(e)",
203 * "while(e)", "for(e;e;e)" should be
204 * indented an extra tab stop so that
205 * they don't conflict with the code
207 int function_brace_split; /* split function declaration and
208 * brace onto separate lines */
209 int use_tabs; /* set true to use tabs for spacing,
210 * false uses all spaces */
211 int auto_typedefs; /* set true to recognize identifiers
212 * ending in "_t" like typedefs */
213 int space_after_cast; /* "b = (int) a" vs "b = (int)a" */
214 int tabsize; /* the size of a tab */
216 /* -troff font state information */
222 } __aligned(sizeof(int));
223 char *chfont(struct fstate *, struct fstate *, char *);
226 keywordf, /* keyword font */
227 stringf, /* string font */
228 boxcomf, /* Box comment font */
229 blkcomf, /* Block comment font */
230 scomf, /* Same line comment font */
231 bodyf; /* major body font */
234 #define STACKSIZE 256
236 struct parser_state {
238 struct fstate cfont; /* Current font */
239 int p_stack[STACKSIZE]; /* this is the parsers stack */
240 int il[STACKSIZE]; /* this stack stores indentation levels */
241 float cstk[STACKSIZE];/* used to store case stmt indentation levels */
242 int box_com; /* set to true when we are in a "boxed"
243 * comment. In that case, the first non-blank
244 * char should be lined up with the / in / followed by * */
245 int comment_delta; /* used to set up indentation for all lines
246 * of a boxed comment after the first one */
247 int n_comment_delta;/* remembers how many columns there were
248 * before the start of a box comment so that
249 * forthcoming lines of the comment are
250 * indented properly */
251 int cast_mask; /* indicates which close parens potentially
253 int not_cast_mask; /* indicates which close parens definitely
254 * close off something else than casts */
255 int block_init; /* true iff inside a block initialization */
256 int block_init_level; /* The level of brace nesting in an
258 int last_nl; /* this is true if the last thing scanned was
260 int in_or_st; /* Will be true iff there has been a
261 * declarator (e.g. int or char) and no left
262 * paren since the last semicolon. When true,
263 * a '{' is starting a structure definition or
264 * an initialization list */
265 int bl_line; /* set to 1 by dump_line if the line is blank */
266 int col_1; /* set to true if the last token started in
268 int com_col; /* this is the column in which the current
269 * comment should start */
270 int com_ind; /* the column in which comments to the right
271 * of code should start */
272 int com_lines; /* the number of lines with comments, set by
274 int dec_nest; /* current nesting level for structure or init */
275 int decl_com_ind; /* the column in which comments after
276 * declarations should be put */
277 int decl_on_line; /* set to true if this line of code has part
278 * of a declaration on it */
279 int i_l_follow; /* the level to which ind_level should be set
280 * after the current line is printed */
281 int in_decl; /* set to true when we are in a declaration
282 * stmt. The processing of braces is then
283 * slightly different */
284 int in_stmt; /* set to 1 while in a stmt */
285 int ind_level; /* the current indentation level */
286 int ind_size; /* the size of one indentation level */
287 int ind_stmt; /* set to 1 if next line should have an extra
288 * indentation level because we are in the
289 * middle of a stmt */
290 int last_u_d; /* set to true after scanning a token which
291 * forces a following operator to be unary */
292 int leave_comma; /* if true, never break declarations after
294 int ljust_decl; /* true if declarations should be left
296 int out_coms; /* the number of comments processed, set by
298 int out_lines; /* the number of lines written, set by
300 int p_l_follow; /* used to remember how to indent following
302 int paren_level; /* parenthesization level. used to indent
303 * within statements */
304 short paren_indents[20]; /* column positions of each paren */
305 int pcase; /* set to 1 if the current line label is a
306 * case. It is printed differently from a
308 int search_brace; /* set to true by parse when it is necessary
309 * to buffer up all info up to the start of a
310 * stmt after an if, while, etc */
311 int unindent_displace; /* comments not to the right of code
312 * will be placed this many
313 * indentation levels to the left of
315 int use_ff; /* set to one if the current line should be
316 * terminated with a form feed */
317 int want_blank; /* set to true when the following token should
318 * be prefixed by a blank. (Said prefixing is
319 * ignored in some cases.) */
320 int else_if; /* True iff else if pairs should be handled
322 int decl_indent; /* column to indent declared identifiers to */
323 int local_decl_indent; /* like decl_indent but for locals */
324 int keyword; /* the type of a keyword or 0 */
325 int dumped_decl_indent;
326 float case_indent; /* The distance to indent case labels from the
327 * switch statement */
328 int in_parameter_declaration;
329 int indent_parameters;
330 int tos; /* pointer to top of stack */
331 char procname[100]; /* The name of the current procedure */
336 struct parser_state state_stack[5];
337 struct parser_state match_state[5];