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: src/usr.bin/indent/indent_globs.h,v 1.11 2005/11/13 20:37:25 dwmalone Exp $ 37 * $DragonFly: src/usr.bin/indent/indent_globs.h,v 1.3 2005/04/10 20:55:38 drhodus Exp $ 38 */ 39 40 #define BACKSLASH '\\' 41 #define bufsize 200 /* size of internal buffers */ 42 #define sc_size 5000 /* size of save_com buffer */ 43 #define label_offset 2 /* number of levels a label is placed to left 44 * of code */ 45 46 #define tabsize 8 /* the size of a tab */ 47 #define tabmask 0177770 /* mask used when figuring length of lines 48 * with tabs */ 49 50 51 #define false 0 52 #define true 1 53 54 55 FILE *input; /* the fid for the input file */ 56 FILE *output; /* the output file */ 57 58 #define CHECK_SIZE_CODE \ 59 if (e_code >= l_code) { \ 60 int nsize = l_code-s_code+400; \ 61 codebuf = (char *) realloc(codebuf, nsize); \ 62 if (codebuf == NULL) \ 63 err(1, NULL); \ 64 e_code = codebuf + (e_code-s_code) + 1; \ 65 l_code = codebuf + nsize - 5; \ 66 s_code = codebuf + 1; \ 67 } 68 #define CHECK_SIZE_COM \ 69 if (e_com >= l_com) { \ 70 int nsize = l_com-s_com+400; \ 71 combuf = (char *) realloc(combuf, nsize); \ 72 if (combuf == NULL) \ 73 err(1, NULL); \ 74 e_com = combuf + (e_com-s_com) + 1; \ 75 l_com = combuf + nsize - 5; \ 76 s_com = combuf + 1; \ 77 } 78 #define CHECK_SIZE_LAB \ 79 if (e_lab >= l_lab) { \ 80 int nsize = l_lab-s_lab+400; \ 81 labbuf = (char *) realloc(labbuf, nsize); \ 82 if (labbuf == NULL) \ 83 err(1, NULL); \ 84 e_lab = labbuf + (e_lab-s_lab) + 1; \ 85 l_lab = labbuf + nsize - 5; \ 86 s_lab = labbuf + 1; \ 87 } 88 #define CHECK_SIZE_TOKEN \ 89 if (e_token >= l_token) { \ 90 int nsize = l_token-s_token+400; \ 91 tokenbuf = (char *) realloc(tokenbuf, nsize); \ 92 if (tokenbuf == NULL) \ 93 err(1, NULL); \ 94 e_token = tokenbuf + (e_token-s_token) + 1; \ 95 l_token = tokenbuf + nsize - 5; \ 96 s_token = tokenbuf + 1; \ 97 } 98 99 char *labbuf; /* buffer for label */ 100 char *s_lab; /* start ... */ 101 char *e_lab; /* .. and end of stored label */ 102 char *l_lab; /* limit of label buffer */ 103 104 char *codebuf; /* buffer for code section */ 105 char *s_code; /* start ... */ 106 char *e_code; /* .. and end of stored code */ 107 char *l_code; /* limit of code section */ 108 109 char *combuf; /* buffer for comments */ 110 char *s_com; /* start ... */ 111 char *e_com; /* ... and end of stored comments */ 112 char *l_com; /* limit of comment buffer */ 113 114 #define token s_token 115 char *tokenbuf; /* the last token scanned */ 116 char *s_token; 117 char *e_token; 118 char *l_token; 119 120 char *in_buffer; /* input buffer */ 121 char *in_buffer_limit; /* the end of the input buffer */ 122 char *buf_ptr; /* ptr to next character to be taken from 123 * in_buffer */ 124 char *buf_end; /* ptr to first after last char in in_buffer */ 125 126 char save_com[sc_size]; /* input text is saved here when looking for 127 * the brace after an if, while, etc */ 128 char *sc_end; /* pointer into save_com buffer */ 129 130 char *bp_save; /* saved value of buf_ptr when taking input 131 * from save_com */ 132 char *be_save; /* similarly saved value of buf_end */ 133 134 135 int found_err; 136 int pointer_as_binop; 137 int blanklines_after_declarations; 138 int blanklines_before_blockcomments; 139 int blanklines_after_procs; 140 int blanklines_around_conditional_compilation; 141 int swallow_optional_blanklines; 142 int n_real_blanklines; 143 int prefix_blankline_requested; 144 int postfix_blankline_requested; 145 int break_comma; /* when true and not in parens, break after a 146 * comma */ 147 int btype_2; /* when true, brace should be on same line as 148 * if, while, etc */ 149 float case_ind; /* indentation level to be used for a "case 150 * n:" */ 151 int code_lines; /* count of lines with code */ 152 int had_eof; /* set to true when input is exhausted */ 153 int line_no; /* the current line number. */ 154 int max_col; /* the maximum allowable line length */ 155 int verbose; /* when true, non-essential error messages are 156 * printed */ 157 int cuddle_else; /* true if else should cuddle up to '}' */ 158 int star_comment_cont; /* true iff comment continuation lines should 159 * have stars at the beginning of each line. */ 160 int comment_delimiter_on_blankline; 161 int troff; /* true iff were generating troff input */ 162 int procnames_start_line; /* if true, the names of procedures 163 * being defined get placed in column 164 * 1 (ie. a newline is placed between 165 * the type of the procedure and its 166 * name) */ 167 int proc_calls_space; /* If true, procedure calls look like: 168 * foo(bar) rather than foo (bar) */ 169 int format_block_comments; /* true if comments beginning with 170 * `/ * \n' are to be reformatted */ 171 int format_col1_comments; /* If comments which start in column 1 172 * are to be magically reformatted 173 * (just like comments that begin in 174 * later columns) */ 175 int inhibit_formatting; /* true if INDENT OFF is in effect */ 176 int suppress_blanklines;/* set iff following blanklines should be 177 * suppressed */ 178 int continuation_indent;/* set to the indentation between the edge of 179 * code and continuation lines */ 180 int lineup_to_parens; /* if true, continued code within parens will 181 * be lined up to the open paren */ 182 int Bill_Shannon; /* true iff a blank should always be inserted 183 * after sizeof */ 184 int blanklines_after_declarations_at_proctop; /* This is vaguely 185 * similar to 186 * blanklines_after_decla 187 * rations except that 188 * it only applies to 189 * the first set of 190 * declarations in a 191 * procedure (just after 192 * the first '{') and it 193 * causes a blank line 194 * to be generated even 195 * if there are no 196 * declarations */ 197 int block_comment_max_col; 198 int extra_expression_indent; /* true if continuation lines from the 199 * expression part of "if(e)", 200 * "while(e)", "for(e;e;e)" should be 201 * indented an extra tab stop so that 202 * they don't conflict with the code 203 * that follows */ 204 int function_brace_split; /* split function declaration and 205 * brace onto separate lines */ 206 int use_tabs; /* set true to use tabs for spacing, 207 * false uses all spaces */ 208 209 /* -troff font state information */ 210 211 struct fstate { 212 char font[4]; 213 char size; 214 int allcaps:1; 215 }; 216 char *chfont(struct fstate *, struct fstate *, char *); 217 218 struct fstate 219 keywordf, /* keyword font */ 220 stringf, /* string font */ 221 boxcomf, /* Box comment font */ 222 blkcomf, /* Block comment font */ 223 scomf, /* Same line comment font */ 224 bodyf; /* major body font */ 225 226 227 #define STACKSIZE 150 228 229 struct parser_state { 230 int last_token; 231 struct fstate cfont; /* Current font */ 232 int p_stack[STACKSIZE]; /* this is the parsers stack */ 233 int il[STACKSIZE]; /* this stack stores indentation levels */ 234 float cstk[STACKSIZE];/* used to store case stmt indentation levels */ 235 int box_com; /* set to true when we are in a "boxed" 236 * comment. In that case, the first non-blank 237 * char should be lined up with the / in / followed by * */ 238 int comment_delta, 239 n_comment_delta; 240 int cast_mask; /* indicates which close parens close off 241 * casts */ 242 int sizeof_mask; /* indicates which close parens close off 243 * sizeof''s */ 244 int block_init; /* true iff inside a block initialization */ 245 int block_init_level; /* The level of brace nesting in an 246 * initialization */ 247 int last_nl; /* this is true if the last thing scanned was 248 * a newline */ 249 int in_or_st; /* Will be true iff there has been a 250 * declarator (e.g. int or char) and no left 251 * paren since the last semicolon. When true, 252 * a '{' is starting a structure definition or 253 * an initialization list */ 254 int bl_line; /* set to 1 by dump_line if the line is blank */ 255 int col_1; /* set to true if the last token started in 256 * column 1 */ 257 int com_col; /* this is the column in which the current 258 * comment should start */ 259 int com_ind; /* the column in which comments to the right 260 * of code should start */ 261 int com_lines; /* the number of lines with comments, set by 262 * dump_line */ 263 int dec_nest; /* current nesting level for structure or init */ 264 int decl_com_ind; /* the column in which comments after 265 * declarations should be put */ 266 int decl_on_line; /* set to true if this line of code has part 267 * of a declaration on it */ 268 int i_l_follow; /* the level to which ind_level should be set 269 * after the current line is printed */ 270 int in_decl; /* set to true when we are in a declaration 271 * stmt. The processing of braces is then 272 * slightly different */ 273 int in_stmt; /* set to 1 while in a stmt */ 274 int ind_level; /* the current indentation level */ 275 int ind_size; /* the size of one indentation level */ 276 int ind_stmt; /* set to 1 if next line should have an extra 277 * indentation level because we are in the 278 * middle of a stmt */ 279 int last_u_d; /* set to true after scanning a token which 280 * forces a following operator to be unary */ 281 int leave_comma; /* if true, never break declarations after 282 * commas */ 283 int ljust_decl; /* true if declarations should be left 284 * justified */ 285 int out_coms; /* the number of comments processed, set by 286 * pr_comment */ 287 int out_lines; /* the number of lines written, set by 288 * dump_line */ 289 int p_l_follow; /* used to remember how to indent following 290 * statement */ 291 int paren_level; /* parenthesization level. used to indent 292 * within statements */ 293 short paren_indents[20]; /* column positions of each paren */ 294 int pcase; /* set to 1 if the current line label is a 295 * case. It is printed differently from a 296 * regular label */ 297 int search_brace; /* set to true by parse when it is necessary 298 * to buffer up all info up to the start of a 299 * stmt after an if, while, etc */ 300 int unindent_displace; /* comments not to the right of code 301 * will be placed this many 302 * indentation levels to the left of 303 * code */ 304 int use_ff; /* set to one if the current line should be 305 * terminated with a form feed */ 306 int want_blank; /* set to true when the following token should 307 * be prefixed by a blank. (Said prefixing is 308 * ignored in some cases.) */ 309 int else_if; /* True iff else if pairs should be handled 310 * specially */ 311 int decl_indent; /* column to indent declared identifiers to */ 312 int local_decl_indent; /* like decl_indent but for locals */ 313 int its_a_keyword; 314 int sizeof_keyword; 315 int dumped_decl_indent; 316 float case_indent; /* The distance to indent case labels from the 317 * switch statement */ 318 int in_parameter_declaration; 319 int indent_parameters; 320 int tos; /* pointer to top of stack */ 321 char procname[100]; /* The name of the current procedure */ 322 int just_saw_decl; 323 } ps; 324 325 int ifdef_level; 326 int rparen_count; 327 struct parser_state state_stack[5]; 328 struct parser_state match_state[5]; 329