1/* $NetBSD: indent_globs.h,v 1.8 2003/08/07 11:14:08 agc 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 90EXTERN FILE *input; /* the fid for the input file */ 91EXTERN 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 126EXTERN char *labbuf; /* buffer for label */ 127EXTERN char *s_lab; /* start ... */ 128EXTERN char *e_lab; /* .. and end of stored label */ 129EXTERN char *l_lab; /* limit of label buffer */ 130 131EXTERN char *codebuf; /* buffer for code section */ 132EXTERN char *s_code; /* start ... */ 133EXTERN char *e_code; /* .. and end of stored code */ 134EXTERN char *l_code; /* limit of code section */ 135 136EXTERN char *combuf; /* buffer for comments */ 137EXTERN char *s_com; /* start ... */ 138EXTERN char *e_com; /* ... and end of stored comments */ 139EXTERN char *l_com; /* limit of comment buffer */ 140 141#define token s_token 142EXTERN char *tokenbuf; /* the last token scanned */ 143EXTERN char *s_token; 144EXTERN char *e_token; 145EXTERN char *l_token; 146 147EXTERN char *in_buffer; /* input buffer */ 148EXTERN char *in_buffer_limit; /* the end of the input buffer */ 149EXTERN char *buf_ptr; /* ptr to next character to be taken from 150 * in_buffer */ 151EXTERN char *buf_end; /* ptr to first after last char in in_buffer */ 152 153EXTERN char save_com[sc_size]; /* input text is saved here when looking for 154 * the brace after an if, while, etc */ 155EXTERN char *sc_end; /* pointer into save_com buffer */ 156 157EXTERN char *bp_save; /* saved value of buf_ptr when taking input 158 * from save_com */ 159EXTERN char *be_save; /* similarly saved value of buf_end */ 160 161 162EXTERN int pointer_as_binop; 163EXTERN int blanklines_after_declarations; 164EXTERN int blanklines_before_blockcomments; 165EXTERN int blanklines_after_procs; 166EXTERN int blanklines_around_conditional_compilation; 167EXTERN int swallow_optional_blanklines; 168EXTERN int n_real_blanklines; 169EXTERN int prefix_blankline_requested; 170EXTERN int postfix_blankline_requested; 171EXTERN int break_comma; /* when true and not in parens, break after a 172 * comma */ 173EXTERN int btype_2; /* when true, brace should be on same line as 174 * if, while, etc */ 175EXTERN float case_ind; /* indentation level to be used for a "case 176 * n:" */ 177EXTERN int code_lines; /* count of lines with code */ 178EXTERN int had_eof; /* set to true when input is exhausted */ 179EXTERN int line_no; /* the current line number. */ 180EXTERN int max_col; /* the maximum allowable line length */ 181EXTERN int verbose; /* when true, non-essential error messages are 182 * printed */ 183EXTERN int cuddle_else; /* true if else should cuddle up to '}' */ 184EXTERN int star_comment_cont; /* true iff comment continuation lines should 185 * have stars at the beginning of each line. */ 186EXTERN int comment_delimiter_on_blankline; 187EXTERN int troff; /* true iff were generating troff input */ 188EXTERN 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) */ 192EXTERN int proc_calls_space; /* If true, procedure calls look like: 193 * foo(bar) rather than foo (bar) */ 194EXTERN 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) */ 197EXTERN int inhibit_formatting; /* true if INDENT OFF is in effect */ 198EXTERN int suppress_blanklines; /* set iff following blanklines should be 199 * suppressed */ 200EXTERN int continuation_indent; /* set to the indentation between the edge of 201 * code and continuation lines */ 202EXTERN int lineup_to_parens; /* if true, continued code within parens will 203 * be lined up to the open paren */ 204EXTERN int Bill_Shannon; /* true iff a blank should always be inserted 205 * after sizeof */ 206EXTERN 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 */ 219EXTERN int block_comment_max_col; 220EXTERN 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 */ 225 226/* -troff font state information */ 227 228struct fstate { 229 char font[4]; 230 char size; 231 int allcaps:1; 232}; 233 234EXTERN struct fstate 235 keywordf, /* keyword font */ 236 stringf, /* string font */ 237 boxcomf, /* Box comment font */ 238 blkcomf, /* Block comment font */ 239 scomf, /* Same line comment font */ 240 bodyf; /* major body font */ 241 242#define STACK_SIZE 150 243 244EXTERN struct parser_state { 245 int last_token; 246 struct fstate cfont; /* Current font */ 247 int p_stack[STACK_SIZE]; /* this is the parsers stack */ 248 int il[STACK_SIZE]; /* this stack stores indentation levels */ 249 float cstk[STACK_SIZE];/* used to store case stmt indentation levels */ 250 int box_com; /* set to true when we are in a "boxed" 251 * comment. In that case, the first non-blank 252 * char should be lined up with the comment / */ 253 int comment_delta, n_comment_delta; 254 int cast_mask; /* indicates which close parens close off 255 * casts */ 256 int sizeof_mask; /* indicates which close parens close off 257 * sizeof''s */ 258 int block_init; /* true iff inside a block initialization */ 259 int block_init_level; /* The level of brace nesting in an 260 * initialization */ 261 int last_nl; /* this is true if the last thing scanned was 262 * a newline */ 263 int in_or_st; /* Will be true iff there has been a 264 * declarator (e.g. int or char) and no left 265 * paren since the last semicolon. When true, 266 * a '{' is starting a structure definition or 267 * an initialization list */ 268 int bl_line; /* set to 1 by dump_line if the line is blank */ 269 int col_1; /* set to true if the last token started in 270 * column 1 */ 271 int com_col; /* this is the column in which the current 272 * coment should start */ 273 int com_ind; /* the column in which comments to the right 274 * of code should start */ 275 int com_lines; /* the number of lines with comments, set by 276 * dump_line */ 277 int dec_nest; /* current nesting level for structure or init */ 278 int decl_com_ind; /* the column in which comments after 279 * declarations should be put */ 280 int decl_on_line; /* set to true if this line of code has part 281 * of a declaration on it */ 282 int i_l_follow; /* the level to which ind_level should be set 283 * after the current line is printed */ 284 int in_decl; /* set to true when we are in a declaration 285 * stmt. The processing of braces is then 286 * slightly different */ 287 int in_stmt; /* set to 1 while in a stmt */ 288 int ind_level; /* the current indentation level */ 289 int ind_size; /* the size of one indentation level */ 290 int ind_stmt; /* set to 1 if next line should have an extra 291 * indentation level because we are in the 292 * middle of a stmt */ 293 int last_u_d; /* set to true after scanning a token which 294 * forces a following operator to be unary */ 295 int leave_comma; /* if true, never break declarations after 296 * commas */ 297 int ljust_decl; /* true if declarations should be left 298 * justified */ 299 int out_coms; /* the number of comments processed, set by 300 * pr_comment */ 301 int out_lines; /* the number of lines written, set by 302 * dump_line */ 303 int p_l_follow; /* used to remember how to indent following 304 * statement */ 305 int paren_level; /* parenthesization level. used to indent 306 * within stmts */ 307 short paren_indents[20]; /* column positions of each paren */ 308 int pcase; /* set to 1 if the current line label is a 309 * case. It is printed differently from a 310 * regular label */ 311 int search_brace; /* set to true by parse when it is necessary 312 * to buffer up all info up to the start of a 313 * stmt after an if, while, etc */ 314 int unindent_displace; /* comments not to the right of code 315 * will be placed this many 316 * indentation levels to the left of 317 * code */ 318 int use_ff; /* set to one if the current line should be 319 * terminated with a form feed */ 320 int want_blank; /* set to true when the following token should 321 * be prefixed by a blank. (Said prefixing is 322 * ignored in some cases.) */ 323 int else_if; /* True iff else if pairs should be handled 324 * specially */ 325 int decl_indent; /* column to indent declared identifiers to */ 326 int its_a_keyword; 327 int sizeof_keyword; 328 int dumped_decl_indent; 329 float case_indent; /* The distance to indent case labels from the 330 * switch statement */ 331 int in_parameter_declaration; 332 int indent_parameters; 333 int tos; /* pointer to top of stack */ 334 char procname[100]; /* The name of the current procedure */ 335 int just_saw_decl; 336} ps; 337 338EXTERN int ifdef_level; 339EXTERN int rparen_count; 340EXTERN struct parser_state state_stack[5]; 341EXTERN struct parser_state match_state[5]; 342 343int compute_code_target(void); 344int compute_label_target(void); 345int count_spaces(int, char *); 346void diag(int, const char *,...) __attribute__((__format__(__printf__, 2, 3))); 347void dump_line(void); 348int eqin(const char *, const char *); 349void fill_buffer(void); 350int pad_output(int, int); 351void scan_profile(FILE *); 352void set_defaults(void); 353void set_option(char *); 354void addkey(char *, int); 355void set_profile(void); 356char *chfont(struct fstate *, struct fstate *, char *); 357void parsefont(struct fstate *, const char *); 358void writefdef(struct fstate *, int); 359int lexi(void); 360void reduce(void); 361void parse(int); 362void pr_comment(void); 363void bakcopy(void); 364