1 /* $NetBSD: indent_globs.h,v 1.10 2014/09/04 04:06:07 mrg Exp $ */ 2 3 /* 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * from: @(#)indent_globs.h 8.1 (Berkeley) 6/6/93 32 */ 33 34 /* 35 * Copyright (c) 1985 Sun Microsystems, Inc. 36 * Copyright (c) 1976 Board of Trustees of the University of Illinois. 37 * All rights reserved. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * 3. All advertising materials mentioning features or use of this software 48 * must display the following acknowledgement: 49 * This product includes software developed by the University of 50 * California, Berkeley and its contributors. 51 * 4. Neither the name of the University nor the names of its contributors 52 * may be used to endorse or promote products derived from this software 53 * without specific prior written permission. 54 * 55 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 56 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 57 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 58 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 59 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 60 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 61 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 62 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 63 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 64 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 65 * SUCH DAMAGE. 66 * 67 * from: @(#)indent_globs.h 8.1 (Berkeley) 6/6/93 68 */ 69 70 #define BACKSLASH '\\' 71 #define bufsize 200 /* size of internal buffers */ 72 #define sc_size 5000 /* size of save_com buffer */ 73 #define label_offset 2 /* number of levels a label is placed to left 74 * of code */ 75 76 #define tabsize 8 /* the size of a tab */ 77 #define tabmask 0177770 /* mask used when figuring length of lines 78 * with tabs */ 79 80 81 #define false 0 82 #define true 1 83 84 85 #ifndef EXTERN 86 #define EXTERN extern 87 #endif 88 89 90 EXTERN FILE *input; /* the fid for the input file */ 91 EXTERN FILE *output; /* the output file */ 92 93 #define CHECK_SIZE_CODE \ 94 if (e_code >= l_code) { \ 95 int nsize = l_code-s_code+400; \ 96 codebuf = (char *) realloc(codebuf, nsize); \ 97 e_code = codebuf + (e_code-s_code) + 1; \ 98 l_code = codebuf + nsize - 5; \ 99 s_code = codebuf + 1; \ 100 } 101 #define CHECK_SIZE_COM \ 102 if (e_com >= l_com) { \ 103 int nsize = l_com-s_com+400; \ 104 combuf = (char *) realloc(combuf, nsize); \ 105 e_com = combuf + (e_com-s_com) + 1; \ 106 l_com = combuf + nsize - 5; \ 107 s_com = combuf + 1; \ 108 } 109 #define CHECK_SIZE_LAB \ 110 if (e_lab >= l_lab) { \ 111 int nsize = l_lab-s_lab+400; \ 112 labbuf = (char *) realloc(labbuf, nsize); \ 113 e_lab = labbuf + (e_lab-s_lab) + 1; \ 114 l_lab = labbuf + nsize - 5; \ 115 s_lab = labbuf + 1; \ 116 } 117 #define CHECK_SIZE_TOKEN \ 118 if (e_token >= l_token) { \ 119 int nsize = l_token-s_token+400; \ 120 tokenbuf = (char *) realloc(tokenbuf, nsize); \ 121 e_token = tokenbuf + (e_token-s_token) + 1; \ 122 l_token = tokenbuf + nsize - 5; \ 123 s_token = tokenbuf + 1; \ 124 } 125 126 EXTERN char *labbuf; /* buffer for label */ 127 EXTERN char *s_lab; /* start ... */ 128 EXTERN char *e_lab; /* .. and end of stored label */ 129 EXTERN char *l_lab; /* limit of label buffer */ 130 131 EXTERN char *codebuf; /* buffer for code section */ 132 EXTERN char *s_code; /* start ... */ 133 EXTERN char *e_code; /* .. and end of stored code */ 134 EXTERN char *l_code; /* limit of code section */ 135 136 EXTERN char *combuf; /* buffer for comments */ 137 EXTERN char *s_com; /* start ... */ 138 EXTERN char *e_com; /* ... and end of stored comments */ 139 EXTERN char *l_com; /* limit of comment buffer */ 140 141 #define token s_token 142 EXTERN char *tokenbuf; /* the last token scanned */ 143 EXTERN char *s_token; 144 EXTERN char *e_token; 145 EXTERN char *l_token; 146 147 EXTERN char *in_buffer; /* input buffer */ 148 EXTERN char *in_buffer_limit; /* the end of the input buffer */ 149 EXTERN char *buf_ptr; /* ptr to next character to be taken from 150 * in_buffer */ 151 EXTERN char *buf_end; /* ptr to first after last char in in_buffer */ 152 153 EXTERN char save_com[sc_size]; /* input text is saved here when looking for 154 * the brace after an if, while, etc */ 155 EXTERN char *sc_end; /* pointer into save_com buffer */ 156 157 EXTERN char *bp_save; /* saved value of buf_ptr when taking input 158 * from save_com */ 159 EXTERN char *be_save; /* similarly saved value of buf_end */ 160 161 162 EXTERN int pointer_as_binop; 163 EXTERN int blanklines_after_declarations; 164 EXTERN int blanklines_before_blockcomments; 165 EXTERN int blanklines_after_procs; 166 EXTERN int blanklines_around_conditional_compilation; 167 EXTERN int swallow_optional_blanklines; 168 EXTERN int n_real_blanklines; 169 EXTERN int prefix_blankline_requested; 170 EXTERN int postfix_blankline_requested; 171 EXTERN int break_comma; /* when true and not in parens, break after a 172 * comma */ 173 EXTERN int btype_2; /* when true, brace should be on same line as 174 * if, while, etc */ 175 EXTERN float case_ind; /* indentation level to be used for a "case 176 * n:" */ 177 EXTERN int code_lines; /* count of lines with code */ 178 EXTERN int had_eof; /* set to true when input is exhausted */ 179 EXTERN int line_no; /* the current line number. */ 180 EXTERN int max_col; /* the maximum allowable line length */ 181 EXTERN int verbose; /* when true, non-essential error messages are 182 * printed */ 183 EXTERN int cuddle_else; /* true if else should cuddle up to '}' */ 184 EXTERN int star_comment_cont; /* true iff comment continuation lines should 185 * have stars at the beginning of each line. */ 186 EXTERN int comment_delimiter_on_blankline; 187 EXTERN int troff; /* true iff were generating troff input */ 188 EXTERN int procnames_start_line; /* if true, the names of procedures being 189 * defined get placed in column 1 (ie. a 190 * newline is placed between the type of the 191 * procedure and its name) */ 192 EXTERN int proc_calls_space; /* If true, procedure calls look like: 193 * foo(bar) rather than foo (bar) */ 194 EXTERN int format_col1_comments; /* If comments which start in column 1 are to 195 * be magically reformatted (just like 196 * comments that begin in later columns) */ 197 EXTERN int inhibit_formatting; /* true if INDENT OFF is in effect */ 198 EXTERN int suppress_blanklines; /* set iff following blanklines should be 199 * suppressed */ 200 EXTERN int continuation_indent; /* set to the indentation between the edge of 201 * code and continuation lines */ 202 EXTERN int lineup_to_parens; /* if true, continued code within parens will 203 * be lined up to the open paren */ 204 EXTERN int Bill_Shannon; /* true iff a blank should always be inserted 205 * after sizeof */ 206 EXTERN int blanklines_after_declarations_at_proctop; /* This is vaguely 207 * similar to 208 * blanklines_after_decla 209 * rations except that 210 * it only applies to 211 * the first set of 212 * declarations in a 213 * procedure (just after 214 * the first '{') and it 215 * causes a blank line 216 * to be generated even 217 * if there are no 218 * declarations */ 219 EXTERN int block_comment_max_col; 220 EXTERN int extra_expression_indent; /* True if continuation lines from the 221 * expression part of "if(e)", "while(e)", 222 * "for(e;e;e)" should be indented an extra 223 * tab stop so that they don't conflict with 224 * the code that follows */ 225 EXTERN int use_tabs; /* set true to use tabs for spacing, 226 * false uses all spaces */ 227 228 /* -troff font state information */ 229 230 struct fstate { 231 char font[4]; 232 char size; 233 int allcaps:1; 234 }; 235 236 EXTERN struct fstate 237 keywordf, /* keyword font */ 238 stringf, /* string font */ 239 boxcomf, /* Box comment font */ 240 blkcomf, /* Block comment font */ 241 scomf, /* Same line comment font */ 242 bodyf; /* major body font */ 243 244 #define STACK_SIZE 150 245 246 EXTERN struct parser_state { 247 int last_token; 248 struct fstate cfont; /* Current font */ 249 int p_stack[STACK_SIZE]; /* this is the parsers stack */ 250 int il[STACK_SIZE]; /* this stack stores indentation levels */ 251 float cstk[STACK_SIZE];/* used to store case stmt indentation levels */ 252 int box_com; /* set to true when we are in a "boxed" 253 * comment. In that case, the first non-blank 254 * char should be lined up with the comment / */ 255 int comment_delta, n_comment_delta; 256 int cast_mask; /* indicates which close parens close off 257 * casts */ 258 int sizeof_mask; /* indicates which close parens close off 259 * sizeof''s */ 260 int block_init; /* true iff inside a block initialization */ 261 int block_init_level; /* The level of brace nesting in an 262 * initialization */ 263 int last_nl; /* this is true if the last thing scanned was 264 * a newline */ 265 int in_or_st; /* Will be true iff there has been a 266 * declarator (e.g. int or char) and no left 267 * paren since the last semicolon. When true, 268 * a '{' is starting a structure definition or 269 * an initialization list */ 270 int bl_line; /* set to 1 by dump_line if the line is blank */ 271 int col_1; /* set to true if the last token started in 272 * column 1 */ 273 int com_col; /* this is the column in which the current 274 * coment should start */ 275 int com_ind; /* the column in which comments to the right 276 * of code should start */ 277 int com_lines; /* the number of lines with comments, set by 278 * dump_line */ 279 int dec_nest; /* current nesting level for structure or init */ 280 int decl_com_ind; /* the column in which comments after 281 * declarations should be put */ 282 int decl_on_line; /* set to true if this line of code has part 283 * of a declaration on it */ 284 int i_l_follow; /* the level to which ind_level should be set 285 * after the current line is printed */ 286 int in_decl; /* set to true when we are in a declaration 287 * stmt. The processing of braces is then 288 * slightly different */ 289 int in_stmt; /* set to 1 while in a stmt */ 290 int ind_level; /* the current indentation level */ 291 int ind_size; /* the size of one indentation level */ 292 int ind_stmt; /* set to 1 if next line should have an extra 293 * indentation level because we are in the 294 * middle of a stmt */ 295 int last_u_d; /* set to true after scanning a token which 296 * forces a following operator to be unary */ 297 int leave_comma; /* if true, never break declarations after 298 * commas */ 299 int ljust_decl; /* true if declarations should be left 300 * justified */ 301 int out_coms; /* the number of comments processed, set by 302 * pr_comment */ 303 int out_lines; /* the number of lines written, set by 304 * dump_line */ 305 int p_l_follow; /* used to remember how to indent following 306 * statement */ 307 int paren_level; /* parenthesization level. used to indent 308 * within stmts */ 309 short paren_indents[20]; /* column positions of each paren */ 310 int pcase; /* set to 1 if the current line label is a 311 * case. It is printed differently from a 312 * regular label */ 313 int search_brace; /* set to true by parse when it is necessary 314 * to buffer up all info up to the start of a 315 * stmt after an if, while, etc */ 316 int unindent_displace; /* comments not to the right of code 317 * will be placed this many 318 * indentation levels to the left of 319 * code */ 320 int use_ff; /* set to one if the current line should be 321 * terminated with a form feed */ 322 int want_blank; /* set to true when the following token should 323 * be prefixed by a blank. (Said prefixing is 324 * ignored in some cases.) */ 325 int else_if; /* True iff else if pairs should be handled 326 * specially */ 327 int decl_indent; /* column to indent declared identifiers to */ 328 int its_a_keyword; 329 int sizeof_keyword; 330 int dumped_decl_indent; 331 float case_indent; /* The distance to indent case labels from the 332 * switch statement */ 333 int in_parameter_declaration; 334 int indent_parameters; 335 int tos; /* pointer to top of stack */ 336 char procname[100]; /* The name of the current procedure */ 337 int just_saw_decl; 338 } ps; 339 340 EXTERN int ifdef_level; 341 EXTERN int rparen_count; 342 EXTERN struct parser_state state_stack[5]; 343 EXTERN struct parser_state match_state[5]; 344 345 int compute_code_target(void); 346 int compute_label_target(void); 347 int count_spaces(int, char *); 348 void diag(int, const char *,...) __attribute__((__format__(__printf__, 2, 3))); 349 void dump_line(void); 350 int eqin(const char *, const char *); 351 void fill_buffer(void); 352 int pad_output(int, int); 353 void scan_profile(FILE *); 354 void set_defaults(void); 355 void set_option(char *); 356 void addkey(char *, int); 357 void set_profile(void); 358 char *chfont(struct fstate *, struct fstate *, char *); 359 void parsefont(struct fstate *, const char *); 360 void writefdef(struct fstate *, int); 361 int lexi(void); 362 void reduce(void); 363 void parse(int); 364 void pr_comment(void); 365 void bakcopy(void); 366