1/*
2 * Copyright (c) 1985 Sun Microsystems, Inc.
3 * Copyright (c) 1980, 1993
4 * The Regents of the University of California. All rights reserved.
5 * 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. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * @(#)indent_globs.h 8.1 (Berkeley) 6/6/93
36 * $FreeBSD: head/usr.bin/indent/indent_globs.h 125633 2004-02-09 21:48:51Z bde $
37 */
38
39#define BACKSLASH '\\'
40#define bufsize 200 /* size of internal buffers */
41#define sc_size 5000 /* size of save_com buffer */
42#define label_offset 2 /* number of levels a label is placed to left
43 * of code */
44
45#define tabsize 8 /* the size of a tab */
46#define tabmask 0177770 /* mask used when figuring length of lines
47 * with tabs */
48
49
50#define false 0
51#define true 1
52
53
54FILE *input; /* the fid for the input file */
55FILE *output; /* the output file */
56
57#define CHECK_SIZE_CODE \
58 if (e_code >= l_code) { \
59 int nsize = l_code-s_code+400; \
60 codebuf = (char *) realloc(codebuf, nsize); \
61 if (codebuf == NULL) \
62 err(1, NULL); \
63 e_code = codebuf + (e_code-s_code) + 1; \
64 l_code = codebuf + nsize - 5; \
65 s_code = codebuf + 1; \
66 }
67#define CHECK_SIZE_COM \
68 if (e_com >= l_com) { \
69 int nsize = l_com-s_com+400; \
70 combuf = (char *) realloc(combuf, nsize); \
71 if (combuf == NULL) \
72 err(1, NULL); \
73 e_com = combuf + (e_com-s_com) + 1; \
74 l_com = combuf + nsize - 5; \
75 s_com = combuf + 1; \
76 }
77#define CHECK_SIZE_LAB \
78 if (e_lab >= l_lab) { \
79 int nsize = l_lab-s_lab+400; \
80 labbuf = (char *) realloc(labbuf, nsize); \
81 if (labbuf == NULL) \
82 err(1, NULL); \
83 e_lab = labbuf + (e_lab-s_lab) + 1; \
84 l_lab = labbuf + nsize - 5; \
85 s_lab = labbuf + 1; \
86 }
87#define CHECK_SIZE_TOKEN \
88 if (e_token >= l_token) { \
89 int nsize = l_token-s_token+400; \
90 tokenbuf = (char *) realloc(tokenbuf, nsize); \
91 if (tokenbuf == NULL) \
92 err(1, NULL); \
93 e_token = tokenbuf + (e_token-s_token) + 1; \
94 l_token = tokenbuf + nsize - 5; \
95 s_token = tokenbuf + 1; \
96 }
97
98char *labbuf; /* buffer for label */
99char *s_lab; /* start ... */
100char *e_lab; /* .. and end of stored label */
101char *l_lab; /* limit of label buffer */
102
103char *codebuf; /* buffer for code section */
104char *s_code; /* start ... */
105char *e_code; /* .. and end of stored code */
106char *l_code; /* limit of code section */
107
108char *combuf; /* buffer for comments */
109char *s_com; /* start ... */
110char *e_com; /* ... and end of stored comments */
111char *l_com; /* limit of comment buffer */
112
113#define token s_token
114char *tokenbuf; /* the last token scanned */
115char *s_token;
116char *e_token;
117char *l_token;
118
119char *in_buffer; /* input buffer */
120char *in_buffer_limit; /* the end of the input buffer */
121char *buf_ptr; /* ptr to next character to be taken from
122 * in_buffer */
123char *buf_end; /* ptr to first after last char in in_buffer */
124
125char save_com[sc_size]; /* input text is saved here when looking for
126 * the brace after an if, while, etc */
127char *sc_end; /* pointer into save_com buffer */
128
129char *bp_save; /* saved value of buf_ptr when taking input
130 * from save_com */
131char *be_save; /* similarly saved value of buf_end */
132
133
134int pointer_as_binop;
135int blanklines_after_declarations;
136int blanklines_before_blockcomments;
137int blanklines_after_procs;
138int blanklines_around_conditional_compilation;
139int swallow_optional_blanklines;
140int n_real_blanklines;
141int prefix_blankline_requested;
142int postfix_blankline_requested;
143int break_comma; /* when true and not in parens, break after a
144 * comma */
145int btype_2; /* when true, brace should be on same line as
146 * if, while, etc */
147float case_ind; /* indentation level to be used for a "case
148 * n:" */
149int code_lines; /* count of lines with code */
150int had_eof; /* set to true when input is exhausted */
151int line_no; /* the current line number. */
152int max_col; /* the maximum allowable line length */
153int verbose; /* when true, non-essential error messages are
154 * printed */
155int cuddle_else; /* true if else should cuddle up to '}' */
156int star_comment_cont; /* true iff comment continuation lines should
157 * have stars at the beginning of each line. */
158int comment_delimiter_on_blankline;
159int troff; /* true iff were generating troff input */
160int procnames_start_line; /* if true, the names of procedures
161 * being defined get placed in column
162 * 1 (ie. a newline is placed between
163 * the type of the procedure and its
164 * name) */
165int proc_calls_space; /* If true, procedure calls look like:
166 * foo(bar) rather than foo (bar) */
167int format_block_comments; /* true if comments beginning with
168 * `/ * \n' are to be reformatted */
169int format_col1_comments; /* If comments which start in column 1
170 * are to be magically reformatted
171 * (just like comments that begin in
172 * later columns) */
173int inhibit_formatting; /* true if INDENT OFF is in effect */
174int suppress_blanklines;/* set iff following blanklines should be
175 * suppressed */
176int continuation_indent;/* set to the indentation between the edge of
177 * code and continuation lines */
178int lineup_to_parens; /* if true, continued code within parens will
179 * be lined up to the open paren */
180int Bill_Shannon; /* true iff a blank should always be inserted
181 * after sizeof */
182int blanklines_after_declarations_at_proctop; /* This is vaguely
183 * similar to
184 * blanklines_after_decla
185 * rations except that
186 * it only applies to
187 * the first set of
188 * declarations in a
189 * procedure (just after
190 * the first '{') and it
191 * causes a blank line
192 * to be generated even
193 * if there are no
194 * declarations */
195int block_comment_max_col;
196int extra_expression_indent; /* True if continuation lines from the
197 * expression part of "if(e)",
198 * "while(e)", "for(e;e;e)" should be
199 * indented an extra tab stop so that
200 * they don't conflict with the code
201 * that follows */
202
203/* -troff font state information */
204
205struct fstate {
206 char font[4];
207 char size;
208 int allcaps:1;
209};
210char *chfont(struct fstate *, struct fstate *, char *);
211
212struct fstate
213 keywordf, /* keyword font */
214 stringf, /* string font */
215 boxcomf, /* Box comment font */
216 blkcomf, /* Block comment font */
217 scomf, /* Same line comment font */
218 bodyf; /* major body font */
219
220
221#define STACKSIZE 150
222
223struct parser_state {
224 int last_token;
225 struct fstate cfont; /* Current font */
226 int p_stack[STACKSIZE]; /* this is the parsers stack */
227 int il[STACKSIZE]; /* this stack stores indentation levels */
228 float cstk[STACKSIZE];/* used to store case stmt indentation levels */
229 int box_com; /* set to true when we are in a "boxed"
230 * comment. In that case, the first non-blank
231 * char should be lined up with the / in / followed by * */
232 int comment_delta,
233 n_comment_delta;
234 int cast_mask; /* indicates which close parens close off
235 * casts */
236 int sizeof_mask; /* indicates which close parens close off
237 * sizeof''s */
238 int block_init; /* true iff inside a block initialization */
239 int block_init_level; /* The level of brace nesting in an
240 * initialization */
241 int last_nl; /* this is true if the last thing scanned was
242 * a newline */
243 int in_or_st; /* Will be true iff there has been a
244 * declarator (e.g. int or char) and no left
245 * paren since the last semicolon. When true,
246 * a '{' is starting a structure definition or
247 * an initialization list */
248 int bl_line; /* set to 1 by dump_line if the line is blank */
249 int col_1; /* set to true if the last token started in
250 * column 1 */
251 int com_col; /* this is the column in which the current
252 * comment should start */
253 int com_ind; /* the column in which comments to the right
254 * of code should start */
255 int com_lines; /* the number of lines with comments, set by
256 * dump_line */
257 int dec_nest; /* current nesting level for structure or init */
258 int decl_com_ind; /* the column in which comments after
259 * declarations should be put */
260 int decl_on_line; /* set to true if this line of code has part
261 * of a declaration on it */
262 int i_l_follow; /* the level to which ind_level should be set
263 * after the current line is printed */
264 int in_decl; /* set to true when we are in a declaration
265 * stmt. The processing of braces is then
266 * slightly different */
267 int in_stmt; /* set to 1 while in a stmt */
268 int ind_level; /* the current indentation level */
269 int ind_size; /* the size of one indentation level */
270 int ind_stmt; /* set to 1 if next line should have an extra
271 * indentation level because we are in the
272 * middle of a stmt */
273 int last_u_d; /* set to true after scanning a token which
274 * forces a following operator to be unary */
275 int leave_comma; /* if true, never break declarations after
276 * commas */
277 int ljust_decl; /* true if declarations should be left
278 * justified */
279 int out_coms; /* the number of comments processed, set by
280 * pr_comment */
281 int out_lines; /* the number of lines written, set by
282 * dump_line */
283 int p_l_follow; /* used to remember how to indent following
284 * statement */
285 int paren_level; /* parenthesization level. used to indent
286 * within statements */
287 short paren_indents[20]; /* column positions of each paren */
288 int pcase; /* set to 1 if the current line label is a
289 * case. It is printed differently from a
290 * regular label */
291 int search_brace; /* set to true by parse when it is necessary
292 * to buffer up all info up to the start of a
293 * stmt after an if, while, etc */
294 int unindent_displace; /* comments not to the right of code
295 * will be placed this many
296 * indentation levels to the left of
297 * code */
298 int use_ff; /* set to one if the current line should be
299 * terminated with a form feed */
300 int want_blank; /* set to true when the following token should
301 * be prefixed by a blank. (Said prefixing is
302 * ignored in some cases.) */
303 int else_if; /* True iff else if pairs should be handled
304 * specially */
305 int decl_indent; /* column to indent declared identifiers to */
306 int local_decl_indent; /* like decl_indent but for locals */
307 int its_a_keyword;
308 int sizeof_keyword;
309 int dumped_decl_indent;
310 float case_indent; /* The distance to indent case labels from the
311 * switch statement */
312 int in_parameter_declaration;
313 int indent_parameters;
314 int tos; /* pointer to top of stack */
315 char procname[100]; /* The name of the current procedure */
316 int just_saw_decl;
317} ps;
318
319int ifdef_level;
320int rparen_count;
321struct parser_state state_stack[5];
322struct parser_state match_state[5];