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 * $FreeBSD$ 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 found_err; 135int pointer_as_binop; 136int blanklines_after_declarations; 137int blanklines_before_blockcomments; 138int blanklines_after_procs; 139int blanklines_around_conditional_compilation; 140int swallow_optional_blanklines; 141int n_real_blanklines; 142int prefix_blankline_requested; 143int postfix_blankline_requested; 144int break_comma; /* when true and not in parens, break after a 145 * comma */ 146int btype_2; /* when true, brace should be on same line as 147 * if, while, etc */ 148float case_ind; /* indentation level to be used for a "case 149 * n:" */ 150int code_lines; /* count of lines with code */ 151int had_eof; /* set to true when input is exhausted */ 152int line_no; /* the current line number. */ 153int max_col; /* the maximum allowable line length */ 154int verbose; /* when true, non-essential error messages are 155 * printed */ 156int cuddle_else; /* true if else should cuddle up to '}' */ 157int star_comment_cont; /* true iff comment continuation lines should 158 * have stars at the beginning of each line. */ 159int comment_delimiter_on_blankline; 160int troff; /* true iff were generating troff input */ 161int procnames_start_line; /* if true, the names of procedures 162 * being defined get placed in column 163 * 1 (ie. a newline is placed between 164 * the type of the procedure and its 165 * name) */ 166int proc_calls_space; /* If true, procedure calls look like: 167 * foo(bar) rather than foo (bar) */ 168int format_block_comments; /* true if comments beginning with 169 * `/ * \n' are to be reformatted */ 170int format_col1_comments; /* If comments which start in column 1 171 * are to be magically reformatted 172 * (just like comments that begin in 173 * later columns) */ 174int inhibit_formatting; /* true if INDENT OFF is in effect */ 175int suppress_blanklines;/* set iff following blanklines should be 176 * suppressed */ 177int continuation_indent;/* set to the indentation between the edge of 178 * code and continuation lines */ 179int lineup_to_parens; /* if true, continued code within parens will 180 * be lined up to the open paren */ 181int Bill_Shannon; /* true iff a blank should always be inserted 182 * after sizeof */ 183int blanklines_after_declarations_at_proctop; /* This is vaguely 184 * similar to 185 * blanklines_after_decla 186 * rations except that 187 * it only applies to 188 * the first set of 189 * declarations in a 190 * procedure (just after 191 * the first '{') and it 192 * causes a blank line 193 * to be generated even 194 * if there are no 195 * declarations */ 196int block_comment_max_col; 197int extra_expression_indent; /* true if continuation lines from the 198 * expression part of "if(e)", 199 * "while(e)", "for(e;e;e)" should be 200 * indented an extra tab stop so that 201 * they don't conflict with the code 202 * that follows */ 203int function_brace_split; /* split function declaration and 204 * brace onto separate lines */ 205int use_tabs; /* set true to use tabs for spacing, 206 * false uses all spaces */ 207int auto_typedefs; /* set true to recognize identifiers 208 * ending in "_t" like typedefs */ 209 210/* -troff font state information */ 211 212struct fstate { 213 char font[4]; 214 char size; 215 int allcaps:1; 216}; 217char *chfont(struct fstate *, struct fstate *, char *); 218 219struct fstate 220 keywordf, /* keyword font */ 221 stringf, /* string font */ 222 boxcomf, /* Box comment font */ 223 blkcomf, /* Block comment font */ 224 scomf, /* Same line comment font */ 225 bodyf; /* major body font */ 226 227 228#define STACKSIZE 150 229 230struct parser_state { 231 int last_token; 232 struct fstate cfont; /* Current font */ 233 int p_stack[STACKSIZE]; /* this is the parsers stack */ 234 int il[STACKSIZE]; /* this stack stores indentation levels */ 235 float cstk[STACKSIZE];/* used to store case stmt indentation levels */ 236 int box_com; /* set to true when we are in a "boxed" 237 * comment. In that case, the first non-blank 238 * char should be lined up with the / in / followed by * */ 239 int comment_delta, 240 n_comment_delta; 241 int cast_mask; /* indicates which close parens close off 242 * casts */ 243 int sizeof_mask; /* indicates which close parens close off 244 * sizeof''s */ 245 int block_init; /* true iff inside a block initialization */ 246 int block_init_level; /* The level of brace nesting in an 247 * initialization */ 248 int last_nl; /* this is true if the last thing scanned was 249 * a newline */ 250 int in_or_st; /* Will be true iff there has been a 251 * declarator (e.g. int or char) and no left 252 * paren since the last semicolon. When true, 253 * a '{' is starting a structure definition or 254 * an initialization list */ 255 int bl_line; /* set to 1 by dump_line if the line is blank */ 256 int col_1; /* set to true if the last token started in 257 * column 1 */ 258 int com_col; /* this is the column in which the current 259 * comment should start */ 260 int com_ind; /* the column in which comments to the right 261 * of code should start */ 262 int com_lines; /* the number of lines with comments, set by 263 * dump_line */ 264 int dec_nest; /* current nesting level for structure or init */ 265 int decl_com_ind; /* the column in which comments after 266 * declarations should be put */ 267 int decl_on_line; /* set to true if this line of code has part 268 * of a declaration on it */ 269 int i_l_follow; /* the level to which ind_level should be set 270 * after the current line is printed */ 271 int in_decl; /* set to true when we are in a declaration 272 * stmt. The processing of braces is then 273 * slightly different */ 274 int in_stmt; /* set to 1 while in a stmt */ 275 int ind_level; /* the current indentation level */ 276 int ind_size; /* the size of one indentation level */ 277 int ind_stmt; /* set to 1 if next line should have an extra 278 * indentation level because we are in the 279 * middle of a stmt */ 280 int last_u_d; /* set to true after scanning a token which 281 * forces a following operator to be unary */ 282 int leave_comma; /* if true, never break declarations after 283 * commas */ 284 int ljust_decl; /* true if declarations should be left 285 * justified */ 286 int out_coms; /* the number of comments processed, set by 287 * pr_comment */ 288 int out_lines; /* the number of lines written, set by 289 * dump_line */ 290 int p_l_follow; /* used to remember how to indent following 291 * statement */ 292 int paren_level; /* parenthesization level. used to indent 293 * within statements */ 294 short paren_indents[20]; /* column positions of each paren */ 295 int pcase; /* set to 1 if the current line label is a 296 * case. It is printed differently from a 297 * regular label */ 298 int search_brace; /* set to true by parse when it is necessary 299 * to buffer up all info up to the start of a 300 * stmt after an if, while, etc */ 301 int unindent_displace; /* comments not to the right of code 302 * will be placed this many 303 * indentation levels to the left of 304 * code */ 305 int use_ff; /* set to one if the current line should be 306 * terminated with a form feed */ 307 int want_blank; /* set to true when the following token should 308 * be prefixed by a blank. (Said prefixing is 309 * ignored in some cases.) */ 310 int else_if; /* True iff else if pairs should be handled 311 * specially */ 312 int decl_indent; /* column to indent declared identifiers to */ 313 int local_decl_indent; /* like decl_indent but for locals */ 314 int its_a_keyword; 315 int sizeof_keyword; 316 int dumped_decl_indent; 317 float case_indent; /* The distance to indent case labels from the 318 * switch statement */ 319 int in_parameter_declaration; 320 int indent_parameters; 321 int tos; /* pointer to top of stack */ 322 char procname[100]; /* The name of the current procedure */ 323 int just_saw_decl; 324} ps; 325 326int ifdef_level; 327int rparen_count; 328struct parser_state state_stack[5]; 329struct parser_state match_state[5]; 330