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
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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
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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 register int nsize = l_code-s_code+400; \
60 codebuf = (char *) realloc(codebuf, nsize); \
61 e_code = codebuf + (e_code-s_code) + 1; \
62 l_code = codebuf + nsize - 5; \
63 s_code = codebuf + 1; \
65 #define CHECK_SIZE_COM \
66 if (e_com >= l_com) { \
67 register int nsize = l_com-s_com+400; \
68 combuf = (char *) realloc(combuf, nsize); \
69 e_com = combuf + (e_com-s_com) + 1; \
70 l_com = combuf + nsize - 5; \
73 #define CHECK_SIZE_LAB \
74 if (e_lab >= l_lab) { \
75 register int nsize = l_lab-s_lab+400; \
76 labbuf = (char *) realloc(labbuf, nsize); \
77 e_lab = labbuf + (e_lab-s_lab) + 1; \
78 l_lab = labbuf + nsize - 5; \
81 #define CHECK_SIZE_TOKEN \
82 if (e_token >= l_token) { \
83 register int nsize = l_token-s_token+400; \
84 tokenbuf = (char *) realloc(tokenbuf, nsize); \
85 e_token = tokenbuf + (e_token-s_token) + 1; \
86 l_token = tokenbuf + nsize - 5; \
87 s_token = tokenbuf + 1; \
90 char *labbuf; /* buffer for label */
91 char *s_lab; /* start ... */
92 char *e_lab; /* .. and end of stored label */
93 char *l_lab; /* limit of label buffer */
95 char *codebuf; /* buffer for code section */
96 char *s_code; /* start ... */
97 char *e_code; /* .. and end of stored code */
98 char *l_code; /* limit of code section */
100 char *combuf; /* buffer for comments */
101 char *s_com; /* start ... */
102 char *e_com; /* ... and end of stored comments */
103 char *l_com; /* limit of comment buffer */
105 #define token s_token
106 char *tokenbuf; /* the last token scanned */
111 char *in_buffer; /* input buffer */
112 char *in_buffer_limit; /* the end of the input buffer */
113 char *buf_ptr; /* ptr to next character to be taken from
115 char *buf_end; /* ptr to first after last char in in_buffer */
117 char save_com[sc_size]; /* input text is saved here when looking for
118 * the brace after an if, while, etc */
119 char *sc_end; /* pointer into save_com buffer */
121 char *bp_save; /* saved value of buf_ptr when taking input
123 char *be_save; /* similarly saved value of buf_end */
126 int pointer_as_binop;
127 int blanklines_after_declarations;
128 int blanklines_before_blockcomments;
129 int blanklines_after_procs;
130 int blanklines_around_conditional_compilation;
131 int swallow_optional_blanklines;
132 int n_real_blanklines;
133 int prefix_blankline_requested;
134 int postfix_blankline_requested;
135 int break_comma; /* when true and not in parens, break after a
137 int btype_2; /* when true, brace should be on same line as
139 float case_ind; /* indentation level to be used for a "case
141 int code_lines; /* count of lines with code */
142 int had_eof; /* set to true when input is exhausted */
143 int line_no; /* the current line number. */
144 int max_col; /* the maximum allowable line length */
145 int verbose; /* when true, non-essential error messages are
147 int cuddle_else; /* true if else should cuddle up to '}' */
148 int star_comment_cont; /* true iff comment continuation lines should
149 * have stars at the beginning of each line. */
150 int comment_delimiter_on_blankline;
151 int troff; /* true iff were generating troff input */
152 int procnames_start_line; /* if true, the names of procedures
153 * being defined get placed in column
154 * 1 (ie. a newline is placed between
155 * the type of the procedure and its
157 int proc_calls_space; /* If true, procedure calls look like:
158 * foo(bar) rather than foo (bar) */
159 int format_block_comments; /* true if comments beginning with
160 * `/ * \n' are to be reformatted */
161 int format_col1_comments; /* If comments which start in column 1
162 * are to be magically reformatted
163 * (just like comments that begin in
165 int inhibit_formatting; /* true if INDENT OFF is in effect */
166 int suppress_blanklines;/* set iff following blanklines should be
168 int continuation_indent;/* set to the indentation between the edge of
169 * code and continuation lines */
170 int lineup_to_parens; /* if true, continued code within parens will
171 * be lined up to the open paren */
172 int Bill_Shannon; /* true iff a blank should always be inserted
174 int blanklines_after_declarations_at_proctop; /* This is vaguely
176 * blanklines_after_decla
177 * rations except that
181 * procedure (just after
182 * the first '{') and it
183 * causes a blank line
184 * to be generated even
187 int block_comment_max_col;
188 int extra_expression_indent; /* True if continuation lines from the
189 * expression part of "if(e)",
190 * "while(e)", "for(e;e;e)" should be
191 * indented an extra tab stop so that
192 * they don't conflict with the code
195 /* -troff font state information */
205 keywordf, /* keyword font */
206 stringf, /* string font */
207 boxcomf, /* Box comment font */
208 blkcomf, /* Block comment font */
209 scomf, /* Same line comment font */
210 bodyf; /* major body font */
213 #define STACKSIZE 150
215 struct parser_state {
217 struct fstate cfont; /* Current font */
218 int p_stack[STACKSIZE]; /* this is the parsers stack */
219 int il[STACKSIZE]; /* this stack stores indentation levels */
220 float cstk[STACKSIZE];/* used to store case stmt indentation levels */
221 int box_com; /* set to true when we are in a "boxed"
222 * comment. In that case, the first non-blank
223 * char should be lined up with the / in / followed by * */
226 int cast_mask; /* indicates which close parens close off
228 int sizeof_mask; /* indicates which close parens close off
230 int block_init; /* true iff inside a block initialization */
231 int block_init_level; /* The level of brace nesting in an
233 int last_nl; /* this is true if the last thing scanned was
235 int in_or_st; /* Will be true iff there has been a
236 * declarator (e.g. int or char) and no left
237 * paren since the last semicolon. When true,
238 * a '{' is starting a structure definition or
239 * an initialization list */
240 int bl_line; /* set to 1 by dump_line if the line is blank */
241 int col_1; /* set to true if the last token started in
243 int com_col; /* this is the column in which the current
244 * coment should start */
245 int com_ind; /* the column in which comments to the right
246 * of code should start */
247 int com_lines; /* the number of lines with comments, set by
249 int dec_nest; /* current nesting level for structure or init */
250 int decl_com_ind; /* the column in which comments after
251 * declarations should be put */
252 int decl_on_line; /* set to true if this line of code has part
253 * of a declaration on it */
254 int i_l_follow; /* the level to which ind_level should be set
255 * after the current line is printed */
256 int in_decl; /* set to true when we are in a declaration
257 * stmt. The processing of braces is then
258 * slightly different */
259 int in_stmt; /* set to 1 while in a stmt */
260 int ind_level; /* the current indentation level */
261 int ind_size; /* the size of one indentation level */
262 int ind_stmt; /* set to 1 if next line should have an extra
263 * indentation level because we are in the
264 * middle of a stmt */
265 int last_u_d; /* set to true after scanning a token which
266 * forces a following operator to be unary */
267 int leave_comma; /* if true, never break declarations after
269 int ljust_decl; /* true if declarations should be left
271 int out_coms; /* the number of comments processed, set by
273 int out_lines; /* the number of lines written, set by
275 int p_l_follow; /* used to remember how to indent following
277 int paren_level; /* parenthesization level. used to indent
279 short paren_indents[20]; /* column positions of each paren */
280 int pcase; /* set to 1 if the current line label is a
281 * case. It is printed differently from a
283 int search_brace; /* set to true by parse when it is necessary
284 * to buffer up all info up to the start of a
285 * stmt after an if, while, etc */
286 int unindent_displace; /* comments not to the right of code
287 * will be placed this many
288 * indentation levels to the left of
290 int use_ff; /* set to one if the current line should be
291 * terminated with a form feed */
292 int want_blank; /* set to true when the following token should
293 * be prefixed by a blank. (Said prefixing is
294 * ignored in some cases.) */
295 int else_if; /* True iff else if pairs should be handled
297 int decl_indent; /* column to indent declared identifiers to */
300 int dumped_decl_indent;
301 float case_indent; /* The distance to indent case labels from the
302 * switch statement */
303 int in_parameter_declaration;
304 int indent_parameters;
305 int tos; /* pointer to top of stack */
306 char procname[100]; /* The name of the current procedure */
312 struct parser_state state_stack[5];
313 struct parser_state match_state[5];