11590Srgrimes/* 21590Srgrimes * Copyright (c) 1985 Sun Microsystems, Inc. 31590Srgrimes * Copyright (c) 1980, 1993 41590Srgrimes * The Regents of the University of California. All rights reserved. 51590Srgrimes * All rights reserved. 61590Srgrimes * 71590Srgrimes * Redistribution and use in source and binary forms, with or without 81590Srgrimes * modification, are permitted provided that the following conditions 91590Srgrimes * are met: 101590Srgrimes * 1. Redistributions of source code must retain the above copyright 111590Srgrimes * notice, this list of conditions and the following disclaimer. 121590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 131590Srgrimes * notice, this list of conditions and the following disclaimer in the 141590Srgrimes * documentation and/or other materials provided with the distribution. 151590Srgrimes * 3. All advertising materials mentioning features or use of this software 161590Srgrimes * must display the following acknowledgement: 171590Srgrimes * This product includes software developed by the University of 181590Srgrimes * California, Berkeley and its contributors. 191590Srgrimes * 4. Neither the name of the University nor the names of its contributors 201590Srgrimes * may be used to endorse or promote products derived from this software 211590Srgrimes * without specific prior written permission. 221590Srgrimes * 231590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 241590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 251590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 261590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 271590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 281590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 291590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 301590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 311590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 321590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 331590Srgrimes * SUCH DAMAGE. 341590Srgrimes * 351590Srgrimes * @(#)indent_globs.h 8.1 (Berkeley) 6/6/93 3669795Sobrien * $FreeBSD$ 371590Srgrimes */ 381590Srgrimes 391590Srgrimes#define BACKSLASH '\\' 401590Srgrimes#define bufsize 200 /* size of internal buffers */ 411590Srgrimes#define sc_size 5000 /* size of save_com buffer */ 421590Srgrimes#define label_offset 2 /* number of levels a label is placed to left 431590Srgrimes * of code */ 441590Srgrimes 451590Srgrimes#define tabsize 8 /* the size of a tab */ 461590Srgrimes#define tabmask 0177770 /* mask used when figuring length of lines 471590Srgrimes * with tabs */ 481590Srgrimes 491590Srgrimes 501590Srgrimes#define false 0 511590Srgrimes#define true 1 521590Srgrimes 531590Srgrimes 541590SrgrimesFILE *input; /* the fid for the input file */ 551590SrgrimesFILE *output; /* the output file */ 561590Srgrimes 571590Srgrimes#define CHECK_SIZE_CODE \ 581590Srgrimes if (e_code >= l_code) { \ 5998771Sjmallett int nsize = l_code-s_code+400; \ 601590Srgrimes codebuf = (char *) realloc(codebuf, nsize); \ 61116390Scharnier if (codebuf == NULL) \ 62116390Scharnier err(1, NULL); \ 631590Srgrimes e_code = codebuf + (e_code-s_code) + 1; \ 641590Srgrimes l_code = codebuf + nsize - 5; \ 651590Srgrimes s_code = codebuf + 1; \ 661590Srgrimes } 671590Srgrimes#define CHECK_SIZE_COM \ 681590Srgrimes if (e_com >= l_com) { \ 6998771Sjmallett int nsize = l_com-s_com+400; \ 701590Srgrimes combuf = (char *) realloc(combuf, nsize); \ 71116390Scharnier if (combuf == NULL) \ 72116390Scharnier err(1, NULL); \ 731590Srgrimes e_com = combuf + (e_com-s_com) + 1; \ 741590Srgrimes l_com = combuf + nsize - 5; \ 751590Srgrimes s_com = combuf + 1; \ 761590Srgrimes } 771590Srgrimes#define CHECK_SIZE_LAB \ 781590Srgrimes if (e_lab >= l_lab) { \ 7998771Sjmallett int nsize = l_lab-s_lab+400; \ 801590Srgrimes labbuf = (char *) realloc(labbuf, nsize); \ 81116390Scharnier if (labbuf == NULL) \ 82116390Scharnier err(1, NULL); \ 831590Srgrimes e_lab = labbuf + (e_lab-s_lab) + 1; \ 841590Srgrimes l_lab = labbuf + nsize - 5; \ 851590Srgrimes s_lab = labbuf + 1; \ 861590Srgrimes } 871590Srgrimes#define CHECK_SIZE_TOKEN \ 881590Srgrimes if (e_token >= l_token) { \ 8998771Sjmallett int nsize = l_token-s_token+400; \ 901590Srgrimes tokenbuf = (char *) realloc(tokenbuf, nsize); \ 91116390Scharnier if (tokenbuf == NULL) \ 92116390Scharnier err(1, NULL); \ 931590Srgrimes e_token = tokenbuf + (e_token-s_token) + 1; \ 941590Srgrimes l_token = tokenbuf + nsize - 5; \ 951590Srgrimes s_token = tokenbuf + 1; \ 961590Srgrimes } 971590Srgrimes 981590Srgrimeschar *labbuf; /* buffer for label */ 991590Srgrimeschar *s_lab; /* start ... */ 1001590Srgrimeschar *e_lab; /* .. and end of stored label */ 1011590Srgrimeschar *l_lab; /* limit of label buffer */ 1021590Srgrimes 1031590Srgrimeschar *codebuf; /* buffer for code section */ 1041590Srgrimeschar *s_code; /* start ... */ 1051590Srgrimeschar *e_code; /* .. and end of stored code */ 1061590Srgrimeschar *l_code; /* limit of code section */ 1071590Srgrimes 1081590Srgrimeschar *combuf; /* buffer for comments */ 1091590Srgrimeschar *s_com; /* start ... */ 1101590Srgrimeschar *e_com; /* ... and end of stored comments */ 1111590Srgrimeschar *l_com; /* limit of comment buffer */ 1121590Srgrimes 1131590Srgrimes#define token s_token 1141590Srgrimeschar *tokenbuf; /* the last token scanned */ 1151590Srgrimeschar *s_token; 1161590Srgrimeschar *e_token; 1171590Srgrimeschar *l_token; 1181590Srgrimes 1191590Srgrimeschar *in_buffer; /* input buffer */ 1201590Srgrimeschar *in_buffer_limit; /* the end of the input buffer */ 1211590Srgrimeschar *buf_ptr; /* ptr to next character to be taken from 1221590Srgrimes * in_buffer */ 1231590Srgrimeschar *buf_end; /* ptr to first after last char in in_buffer */ 1241590Srgrimes 1251590Srgrimeschar save_com[sc_size]; /* input text is saved here when looking for 1261590Srgrimes * the brace after an if, while, etc */ 1271590Srgrimeschar *sc_end; /* pointer into save_com buffer */ 1281590Srgrimes 1291590Srgrimeschar *bp_save; /* saved value of buf_ptr when taking input 1301590Srgrimes * from save_com */ 1311590Srgrimeschar *be_save; /* similarly saved value of buf_end */ 1321590Srgrimes 1331590Srgrimes 134152395Sdwmaloneint found_err; 1351590Srgrimesint pointer_as_binop; 1361590Srgrimesint blanklines_after_declarations; 1371590Srgrimesint blanklines_before_blockcomments; 1381590Srgrimesint blanklines_after_procs; 1391590Srgrimesint blanklines_around_conditional_compilation; 1401590Srgrimesint swallow_optional_blanklines; 1411590Srgrimesint n_real_blanklines; 1421590Srgrimesint prefix_blankline_requested; 1431590Srgrimesint postfix_blankline_requested; 1441590Srgrimesint break_comma; /* when true and not in parens, break after a 1451590Srgrimes * comma */ 1461590Srgrimesint btype_2; /* when true, brace should be on same line as 1471590Srgrimes * if, while, etc */ 1481590Srgrimesfloat case_ind; /* indentation level to be used for a "case 1491590Srgrimes * n:" */ 1501590Srgrimesint code_lines; /* count of lines with code */ 1511590Srgrimesint had_eof; /* set to true when input is exhausted */ 1521590Srgrimesint line_no; /* the current line number. */ 1531590Srgrimesint max_col; /* the maximum allowable line length */ 1541590Srgrimesint verbose; /* when true, non-essential error messages are 1551590Srgrimes * printed */ 1561590Srgrimesint cuddle_else; /* true if else should cuddle up to '}' */ 1571590Srgrimesint star_comment_cont; /* true iff comment continuation lines should 1581590Srgrimes * have stars at the beginning of each line. */ 1591590Srgrimesint comment_delimiter_on_blankline; 1601590Srgrimesint troff; /* true iff were generating troff input */ 1611590Srgrimesint procnames_start_line; /* if true, the names of procedures 1621590Srgrimes * being defined get placed in column 1631590Srgrimes * 1 (ie. a newline is placed between 1641590Srgrimes * the type of the procedure and its 1651590Srgrimes * name) */ 1661590Srgrimesint proc_calls_space; /* If true, procedure calls look like: 1671590Srgrimes * foo(bar) rather than foo (bar) */ 16869795Sobrienint format_block_comments; /* true if comments beginning with 16985632Sschweikh * `/ * \n' are to be reformatted */ 1701590Srgrimesint format_col1_comments; /* If comments which start in column 1 1711590Srgrimes * are to be magically reformatted 1721590Srgrimes * (just like comments that begin in 1731590Srgrimes * later columns) */ 1741590Srgrimesint inhibit_formatting; /* true if INDENT OFF is in effect */ 1751590Srgrimesint suppress_blanklines;/* set iff following blanklines should be 1761590Srgrimes * suppressed */ 1771590Srgrimesint continuation_indent;/* set to the indentation between the edge of 1781590Srgrimes * code and continuation lines */ 1791590Srgrimesint lineup_to_parens; /* if true, continued code within parens will 1801590Srgrimes * be lined up to the open paren */ 1811590Srgrimesint Bill_Shannon; /* true iff a blank should always be inserted 1821590Srgrimes * after sizeof */ 1831590Srgrimesint blanklines_after_declarations_at_proctop; /* This is vaguely 1841590Srgrimes * similar to 1851590Srgrimes * blanklines_after_decla 1861590Srgrimes * rations except that 1871590Srgrimes * it only applies to 1881590Srgrimes * the first set of 1891590Srgrimes * declarations in a 1901590Srgrimes * procedure (just after 1911590Srgrimes * the first '{') and it 1921590Srgrimes * causes a blank line 1931590Srgrimes * to be generated even 1941590Srgrimes * if there are no 1951590Srgrimes * declarations */ 1961590Srgrimesint block_comment_max_col; 197131184Sschweikhint extra_expression_indent; /* true if continuation lines from the 1981590Srgrimes * expression part of "if(e)", 1991590Srgrimes * "while(e)", "for(e;e;e)" should be 2001590Srgrimes * indented an extra tab stop so that 2011590Srgrimes * they don't conflict with the code 2021590Srgrimes * that follows */ 203131184Sschweikhint function_brace_split; /* split function declaration and 204131184Sschweikh * brace onto separate lines */ 205131184Sschweikhint use_tabs; /* set true to use tabs for spacing, 206131184Sschweikh * false uses all spaces */ 207205989Savgint auto_typedefs; /* set true to recognize identifiers 208205989Savg * ending in "_t" like typedefs */ 2091590Srgrimes 2101590Srgrimes/* -troff font state information */ 2111590Srgrimes 2121590Srgrimesstruct fstate { 2131590Srgrimes char font[4]; 2141590Srgrimes char size; 2151590Srgrimes int allcaps:1; 216244578Sandrew} __aligned(sizeof(int)); 21793440Sdwmalonechar *chfont(struct fstate *, struct fstate *, char *); 2181590Srgrimes 2191590Srgrimesstruct fstate 2201590Srgrimes keywordf, /* keyword font */ 2211590Srgrimes stringf, /* string font */ 2221590Srgrimes boxcomf, /* Box comment font */ 2231590Srgrimes blkcomf, /* Block comment font */ 2241590Srgrimes scomf, /* Same line comment font */ 2251590Srgrimes bodyf; /* major body font */ 2261590Srgrimes 2271590Srgrimes 2281590Srgrimes#define STACKSIZE 150 2291590Srgrimes 2301590Srgrimesstruct parser_state { 2311590Srgrimes int last_token; 2321590Srgrimes struct fstate cfont; /* Current font */ 2331590Srgrimes int p_stack[STACKSIZE]; /* this is the parsers stack */ 2341590Srgrimes int il[STACKSIZE]; /* this stack stores indentation levels */ 2351590Srgrimes float cstk[STACKSIZE];/* used to store case stmt indentation levels */ 2361590Srgrimes int box_com; /* set to true when we are in a "boxed" 2371590Srgrimes * comment. In that case, the first non-blank 23885632Sschweikh * char should be lined up with the / in / followed by * */ 2391590Srgrimes int comment_delta, 2401590Srgrimes n_comment_delta; 2411590Srgrimes int cast_mask; /* indicates which close parens close off 2421590Srgrimes * casts */ 2431590Srgrimes int sizeof_mask; /* indicates which close parens close off 2441590Srgrimes * sizeof''s */ 2451590Srgrimes int block_init; /* true iff inside a block initialization */ 2461590Srgrimes int block_init_level; /* The level of brace nesting in an 2471590Srgrimes * initialization */ 2481590Srgrimes int last_nl; /* this is true if the last thing scanned was 2491590Srgrimes * a newline */ 2501590Srgrimes int in_or_st; /* Will be true iff there has been a 2511590Srgrimes * declarator (e.g. int or char) and no left 2521590Srgrimes * paren since the last semicolon. When true, 2531590Srgrimes * a '{' is starting a structure definition or 2541590Srgrimes * an initialization list */ 2551590Srgrimes int bl_line; /* set to 1 by dump_line if the line is blank */ 2561590Srgrimes int col_1; /* set to true if the last token started in 2571590Srgrimes * column 1 */ 2581590Srgrimes int com_col; /* this is the column in which the current 259105244Scharnier * comment should start */ 2601590Srgrimes int com_ind; /* the column in which comments to the right 2611590Srgrimes * of code should start */ 2621590Srgrimes int com_lines; /* the number of lines with comments, set by 2631590Srgrimes * dump_line */ 2641590Srgrimes int dec_nest; /* current nesting level for structure or init */ 2651590Srgrimes int decl_com_ind; /* the column in which comments after 2661590Srgrimes * declarations should be put */ 2671590Srgrimes int decl_on_line; /* set to true if this line of code has part 2681590Srgrimes * of a declaration on it */ 2691590Srgrimes int i_l_follow; /* the level to which ind_level should be set 2701590Srgrimes * after the current line is printed */ 2711590Srgrimes int in_decl; /* set to true when we are in a declaration 2721590Srgrimes * stmt. The processing of braces is then 2731590Srgrimes * slightly different */ 2741590Srgrimes int in_stmt; /* set to 1 while in a stmt */ 2751590Srgrimes int ind_level; /* the current indentation level */ 2761590Srgrimes int ind_size; /* the size of one indentation level */ 2771590Srgrimes int ind_stmt; /* set to 1 if next line should have an extra 2781590Srgrimes * indentation level because we are in the 2791590Srgrimes * middle of a stmt */ 2801590Srgrimes int last_u_d; /* set to true after scanning a token which 2811590Srgrimes * forces a following operator to be unary */ 2821590Srgrimes int leave_comma; /* if true, never break declarations after 2831590Srgrimes * commas */ 2841590Srgrimes int ljust_decl; /* true if declarations should be left 2851590Srgrimes * justified */ 2861590Srgrimes int out_coms; /* the number of comments processed, set by 2871590Srgrimes * pr_comment */ 2881590Srgrimes int out_lines; /* the number of lines written, set by 2891590Srgrimes * dump_line */ 2901590Srgrimes int p_l_follow; /* used to remember how to indent following 2911590Srgrimes * statement */ 2921590Srgrimes int paren_level; /* parenthesization level. used to indent 293105244Scharnier * within statements */ 2941590Srgrimes short paren_indents[20]; /* column positions of each paren */ 2951590Srgrimes int pcase; /* set to 1 if the current line label is a 2961590Srgrimes * case. It is printed differently from a 2971590Srgrimes * regular label */ 2981590Srgrimes int search_brace; /* set to true by parse when it is necessary 2991590Srgrimes * to buffer up all info up to the start of a 3001590Srgrimes * stmt after an if, while, etc */ 3011590Srgrimes int unindent_displace; /* comments not to the right of code 3021590Srgrimes * will be placed this many 3031590Srgrimes * indentation levels to the left of 3041590Srgrimes * code */ 3051590Srgrimes int use_ff; /* set to one if the current line should be 3061590Srgrimes * terminated with a form feed */ 3071590Srgrimes int want_blank; /* set to true when the following token should 3081590Srgrimes * be prefixed by a blank. (Said prefixing is 3091590Srgrimes * ignored in some cases.) */ 3101590Srgrimes int else_if; /* True iff else if pairs should be handled 3111590Srgrimes * specially */ 3121590Srgrimes int decl_indent; /* column to indent declared identifiers to */ 313125633Sbde int local_decl_indent; /* like decl_indent but for locals */ 3141590Srgrimes int its_a_keyword; 3151590Srgrimes int sizeof_keyword; 3161590Srgrimes int dumped_decl_indent; 3171590Srgrimes float case_indent; /* The distance to indent case labels from the 3181590Srgrimes * switch statement */ 3191590Srgrimes int in_parameter_declaration; 3201590Srgrimes int indent_parameters; 3211590Srgrimes int tos; /* pointer to top of stack */ 3221590Srgrimes char procname[100]; /* The name of the current procedure */ 3231590Srgrimes int just_saw_decl; 3241590Srgrimes} ps; 3251590Srgrimes 3261590Srgrimesint ifdef_level; 3271590Srgrimesint rparen_count; 3281590Srgrimesstruct parser_state state_stack[5]; 3291590Srgrimesstruct parser_state match_state[5]; 330