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. 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.
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
35 * @(#)indent_globs.h 8.1 (Berkeley) 6/6/93
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
45 #define tabsize 8 /* the size of a tab */
46 #define tabmask 0177770 /* mask used when figuring length of lines
54 FILE *input; /* the fid for the input file */
55 FILE *output; /* the output file */
57 #define CHECK_SIZE_CODE \
58 if (e_code >= l_code) { \
59 int nsize = l_code-s_code+400; \
60 int code_len = e_code-s_code; \
61 codebuf = (char *) realloc(codebuf, nsize); \
62 if (codebuf == NULL) \
64 e_code = codebuf + code_len + 1; \
65 l_code = codebuf + nsize - 5; \
66 s_code = codebuf + 1; \
68 #define CHECK_SIZE_COM \
69 if (e_com >= l_com) { \
70 int nsize = l_com-s_com+400; \
71 int com_len = e_com - s_com; \
72 int blank_pos = last_bl - s_com; \
73 combuf = (char *) realloc(combuf, nsize); \
76 e_com = combuf + com_len + 1; \
77 last_bl = combuf + blank_pos + 1; \
78 l_com = combuf + nsize - 5; \
81 #define CHECK_SIZE_LAB \
82 if (e_lab >= l_lab) { \
83 int nsize = l_lab-s_lab+400; \
84 int label_len = e_lab - s_lab; \
85 labbuf = (char *) realloc(labbuf, nsize); \
88 e_lab = labbuf + label_len + 1; \
89 l_lab = labbuf + nsize - 5; \
92 #define CHECK_SIZE_TOKEN \
93 if (e_token >= l_token) { \
94 int nsize = l_token-s_token+400; \
95 int token_len = e_token - s_token; \
96 tokenbuf = (char *) realloc(tokenbuf, nsize); \
97 if (tokenbuf == NULL) \
99 e_token = tokenbuf + token_len + 1; \
100 l_token = tokenbuf + nsize - 5; \
101 s_token = tokenbuf + 1; \
104 char *labbuf; /* buffer for label */
105 char *s_lab; /* start ... */
106 char *e_lab; /* .. and end of stored label */
107 char *l_lab; /* limit of label buffer */
109 char *codebuf; /* buffer for code section */
110 char *s_code; /* start ... */
111 char *e_code; /* .. and end of stored code */
112 char *l_code; /* limit of code section */
114 char *combuf; /* buffer for comments */
115 char *s_com; /* start ... */
116 char *e_com; /* ... and end of stored comments */
117 char *l_com; /* limit of comment buffer */
119 #define token s_token
120 char *tokenbuf; /* the last token scanned */
125 char *in_buffer; /* input buffer */
126 char *in_buffer_limit; /* the end of the input buffer */
127 char *buf_ptr; /* ptr to next character to be taken from
129 char *buf_end; /* ptr to first after last char in in_buffer */
131 char save_com[sc_size]; /* input text is saved here when looking for
132 * the brace after an if, while, etc */
133 char *sc_end; /* pointer into save_com buffer */
135 char *bp_save; /* saved value of buf_ptr when taking input
137 char *be_save; /* similarly saved value of buf_end */
141 int pointer_as_binop;
142 int blanklines_after_declarations;
143 int blanklines_before_blockcomments;
144 int blanklines_after_procs;
145 int blanklines_around_conditional_compilation;
146 int swallow_optional_blanklines;
147 int n_real_blanklines;
148 int prefix_blankline_requested;
149 int postfix_blankline_requested;
150 int break_comma; /* when true and not in parens, break after a
152 int btype_2; /* when true, brace should be on same line as
154 float case_ind; /* indentation level to be used for a "case
156 int code_lines; /* count of lines with code */
157 int had_eof; /* set to true when input is exhausted */
158 int line_no; /* the current line number. */
159 int max_col; /* the maximum allowable line length */
160 int verbose; /* when true, non-essential error messages are
162 int cuddle_else; /* true if else should cuddle up to '}' */
163 int star_comment_cont; /* true iff comment continuation lines should
164 * have stars at the beginning of each line. */
165 int comment_delimiter_on_blankline;
166 int troff; /* true iff were generating troff input */
167 int procnames_start_line; /* if true, the names of procedures
168 * being defined get placed in column
169 * 1 (ie. a newline is placed between
170 * the type of the procedure and its
172 int proc_calls_space; /* If true, procedure calls look like:
173 * foo(bar) rather than foo (bar) */
174 int format_block_comments; /* true if comments beginning with
175 * `/ * \n' are to be reformatted */
176 int format_col1_comments; /* If comments which start in column 1
177 * are to be magically reformatted
178 * (just like comments that begin in
180 int inhibit_formatting; /* true if INDENT OFF is in effect */
181 int suppress_blanklines;/* set iff following blanklines should be
183 int continuation_indent;/* set to the indentation between the edge of
184 * code and continuation lines */
185 int lineup_to_parens; /* if true, continued code within parens will
186 * be lined up to the open paren */
187 int Bill_Shannon; /* true iff a blank should always be inserted
189 int blanklines_after_declarations_at_proctop; /* This is vaguely
191 * blanklines_after_decla
192 * rations except that
196 * procedure (just after
197 * the first '{') and it
198 * causes a blank line
199 * to be generated even
202 int block_comment_max_col;
203 int extra_expression_indent; /* true if continuation lines from the
204 * expression part of "if(e)",
205 * "while(e)", "for(e;e;e)" should be
206 * indented an extra tab stop so that
207 * they don't conflict with the code
209 int function_brace_split; /* split function declaration and
210 * brace onto separate lines */
211 int use_tabs; /* set true to use tabs for spacing,
212 * false uses all spaces */
213 int auto_typedefs; /* set true to recognize identifiers
214 * ending in "_t" like typedefs */
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 * */
247 int cast_mask; /* indicates which close parens potentially
249 int not_cast_mask; /* indicates which close parens definitely
250 * close off something else than casts */
251 int block_init; /* true iff inside a block initialization */
252 int block_init_level; /* The level of brace nesting in an
254 int last_nl; /* this is true if the last thing scanned was
256 int in_or_st; /* Will be true iff there has been a
257 * declarator (e.g. int or char) and no left
258 * paren since the last semicolon. When true,
259 * a '{' is starting a structure definition or
260 * an initialization list */
261 int bl_line; /* set to 1 by dump_line if the line is blank */
262 int col_1; /* set to true if the last token started in
264 int com_col; /* this is the column in which the current
265 * comment should start */
266 int com_ind; /* the column in which comments to the right
267 * of code should start */
268 int com_lines; /* the number of lines with comments, set by
270 int dec_nest; /* current nesting level for structure or init */
271 int decl_com_ind; /* the column in which comments after
272 * declarations should be put */
273 int decl_on_line; /* set to true if this line of code has part
274 * of a declaration on it */
275 int i_l_follow; /* the level to which ind_level should be set
276 * after the current line is printed */
277 int in_decl; /* set to true when we are in a declaration
278 * stmt. The processing of braces is then
279 * slightly different */
280 int in_stmt; /* set to 1 while in a stmt */
281 int ind_level; /* the current indentation level */
282 int ind_size; /* the size of one indentation level */
283 int ind_stmt; /* set to 1 if next line should have an extra
284 * indentation level because we are in the
285 * middle of a stmt */
286 int last_u_d; /* set to true after scanning a token which
287 * forces a following operator to be unary */
288 int leave_comma; /* if true, never break declarations after
290 int ljust_decl; /* true if declarations should be left
292 int out_coms; /* the number of comments processed, set by
294 int out_lines; /* the number of lines written, set by
296 int p_l_follow; /* used to remember how to indent following
298 int paren_level; /* parenthesization level. used to indent
299 * within statements */
300 short paren_indents[20]; /* column positions of each paren */
301 int pcase; /* set to 1 if the current line label is a
302 * case. It is printed differently from a
304 int search_brace; /* set to true by parse when it is necessary
305 * to buffer up all info up to the start of a
306 * stmt after an if, while, etc */
307 int unindent_displace; /* comments not to the right of code
308 * will be placed this many
309 * indentation levels to the left of
311 int use_ff; /* set to one if the current line should be
312 * terminated with a form feed */
313 int want_blank; /* set to true when the following token should
314 * be prefixed by a blank. (Said prefixing is
315 * ignored in some cases.) */
316 int else_if; /* True iff else if pairs should be handled
318 int decl_indent; /* column to indent declared identifiers to */
319 int local_decl_indent; /* like decl_indent but for locals */
320 int keyword; /* the type of a keyword or 0 */
321 int dumped_decl_indent;
322 float case_indent; /* The distance to indent case labels from the
323 * switch statement */
324 int in_parameter_declaration;
325 int indent_parameters;
326 int tos; /* pointer to top of stack */
327 char procname[100]; /* The name of the current procedure */
333 struct parser_state state_stack[5];
334 struct parser_state match_state[5];