1 /* 2 * Copyright (c) 1980 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)indent_globs.h 5.2 (Berkeley) 08/28/85 7 */ 8 9 /*- 10 11 Copyright (C) 1976 12 by the 13 Board of Trustees 14 of the 15 University of Illinois 16 17 All rights reserved 18 19 FILE NAME: 20 indent_globs.h 21 22 PURPOSE: 23 This include file contains the declarations for all global variables 24 used in indent. 25 26 GLOBALS: 27 The names of all of the variables will not be repeated here. The 28 declarations start on the next page. 29 30 FUNCTIONS: 31 None 32 */ 33 34 #include <stdio.h> 35 36 #define BACKSLASH '\\' 37 #define bufsize 600 /* size of internal buffers */ 38 #define inp_bufs 600 /* size of input buffer */ 39 #define sc_size 5000 /* size of save_com buffer */ 40 #define label_offset 2 /* number of levels a label is placed to left of code 41 */ 42 43 #define tabsize 8 /* the size of a tab */ 44 #define tabmask 0177770 /* mask used when figuring length of lines with tabs */ 45 46 47 #define false 0 48 #define true 1 49 50 51 FILE *input; /* the fid for the input file */ 52 FILE *output; /* the output file */ 53 54 char labbuf[bufsize]; /* buffer for label */ 55 char *s_lab; /* start ... */ 56 char *e_lab; /* .. and end of stored label */ 57 58 char codebuf[bufsize]; /* buffer for code section */ 59 char *s_code; /* start ... */ 60 char *e_code; /* .. and end of stored code */ 61 62 char combuf[bufsize]; /* buffer for comments */ 63 char *s_com; /* start ... */ 64 char *e_com; /* ... and end of stored comments */ 65 66 char in_buffer[inp_bufs]; /* input buffer */ 67 char *buf_ptr; /* ptr to next character to be taken from in_buffer */ 68 char *buf_end; /* ptr to first after last char in in_buffer */ 69 70 char save_com[sc_size]; /* input text is saved here when looking for the brace 71 after an if, while, etc */ 72 char *sc_end; /* pointer into save_com buffer */ 73 74 char *bp_save; /* saved value of buf_ptr when taking input from 75 save_com */ 76 char *be_save; /* similarly saved value of buf_end */ 77 78 char token[bufsize]; /* the last token scanned */ 79 80 81 82 int blanklines_after_declarations; 83 int blanklines_before_blockcomments; 84 int blanklines_after_procs; 85 int swallow_optional_blanklines; 86 int n_real_blanklines; 87 int prefix_blankline_requested; 88 int postfix_blankline_requested; 89 int break_comma; /* when true and not in parens, break after a comma */ 90 int btype_2; /* when true, brace should be on same line as if, 91 while, etc */ 92 float case_ind; /* indentation level to be used for a "case n:" */ 93 int code_lines;/* count of lines with code */ 94 int had_eof; /* set to true when input is exhausted */ 95 int line_no; /* the current line number. */ 96 int max_col; /* the maximum allowable line length */ 97 int verbose; /* when true, non-essential error messages are printed 98 */ 99 int cuddle_else; /* true if else should cuddle up to '}' */ 100 int star_comment_cont; /* true iff comment continuation lines should 101 have stars at the beginning of each line. 102 */ 103 int comment_delimiter_on_blankline; 104 int troff; /* true iff were generating troff input */ 105 int procnames_start_line; /* if true, the names of procedures being 106 defined get placed in column 1 (ie. a 107 newline is placed between the type of the 108 procedure and its name) */ 109 int proc_calls_space; /* If true, procedure calls look like: 110 foo(bar) rather than foo (bar) */ 111 int format_col1_comments; /* If comments which start in column 1 are to 112 be magically reformatted (just like comments that 113 begin in later columns) */ 114 int inhibit_formatting; /* true if INDENT OFF is in effect */ 115 int suppress_blanklines; /* set iff following blanklines should be 116 suppressed */ 117 int continuation_indent; /* set to the indentation between the edge of 118 code and continuation lines */ 119 int lineup_to_parens; /* if true, continued code within parens will 120 be lined up to the open paren */ 121 int block_comment_max_col; 122 123 124 struct parser_state { 125 int last_token; 126 int p_stack[50]; /* this is the parsers stack */ 127 int il[50]; /* this stack stores indentation levels */ 128 float cstk[50]; /* used to store case stmt indentation 129 * levels */ 130 int box_com; /* set to true when we are in a "boxed" 131 * comment. In that case, the first 132 * non-blank char should be lined up with 133 * the / in /* */ 134 int comment_delta, 135 n_comment_delta; 136 int cast_mask; /* indicates which close parens close off 137 * casts */ 138 int sizeof_mask; /* indicates which close parens close off 139 sizeof''s */ 140 int block_init; /* true iff inside a block initialization */ 141 int last_nl; /* this is true if the last thing scanned 142 * was a newline */ 143 int in_or_st; /* Will be true iff there has been a 144 * declarator (e.g. int or char) and no 145 * left paren since the last semicolon. 146 * When true, a '{' is starting a 147 * structure definition or an 148 * initialization list */ 149 int bl_line; /* set to 1 by dump_line if the line is 150 * blank */ 151 int col_1; /* set to true if the last token started 152 * in column 1 */ 153 int com_col; /* this is the column in which the current 154 * coment should start */ 155 int com_ind; /* the column in which comments to the 156 * right of code should start */ 157 int com_lines; /* the number of lines with comments, set 158 * by dump_line */ 159 int dec_nest; /* current nesting level for structure or 160 * init */ 161 int decl_com_ind; /* the column in which comments after 162 * declarations should be put */ 163 int decl_on_line; /* set to true if this line of code has 164 * part of a declaration on it */ 165 int i_l_follow; /* the level to which ind_level should be 166 * set after the current line is printed */ 167 int in_decl; /* set to true when we are in a 168 * declaration stmt. The processing of 169 * braces is then slightly different */ 170 int in_stmt; /* set to 1 while in a stmt */ 171 int ind_level; /* the current indentation level */ 172 int ind_size; /* the size of one indentation level */ 173 int ind_stmt; /* set to 1 if next line should have an 174 * extra indentation level because we are 175 * in the middle of a stmt */ 176 int last_u_d; /* set to true after scanning a token 177 * which forces a following operator to be 178 * unary */ 179 int leave_comma; /* if true, never break declarations after 180 * commas */ 181 int ljust_decl; /* true if declarations should be left 182 * justified */ 183 int out_coms; /* the number of comments processed, set 184 * by pr_comment */ 185 int out_lines; /* the number of lines written, set by 186 * dump_line */ 187 int p_l_follow; /* used to remember how to indent 188 * following statement */ 189 int paren_level; /* parenthesization level. used to indent 190 * within stmts */ 191 short paren_indents[20]; /* column positions of each paren */ 192 int pcase; /* set to 1 if the current line label is a 193 * case. It is printed differently from 194 * a regular label */ 195 int search_brace; /* set to true by parse when it is 196 * necessary to buffer up all info up to 197 * the start of a stmt after an if, while, 198 * etc */ 199 int unindent_displace; /* comments not to the right of 200 * code will be placed this many 201 * indentation levels to the left 202 * of code */ 203 int use_ff; /* set to one if the current line should 204 * be terminated with a form feed */ 205 int want_blank; /* set to true when the following token 206 * should be prefixed by a blank. (Said 207 * prefixing is ignored in some cases.) */ 208 int else_if; /* True iff else if pairs should be 209 * handled specially */ 210 int decl_indent; /* column to indent declared identifiers 211 * to */ 212 int its_a_keyword; 213 int sizeof_keyword; 214 int dumped_decl_indent; 215 float case_indent; /* The distance to indent case labels from 216 * the switch statement */ 217 int in_parameter_declaration; 218 int indent_parameters; 219 int tos; /* pointer to top of stack */ 220 char procname[100]; /* The name of the current procedure */ 221 int just_saw_decl; 222 } ps; 223 224 int ifdef_level; 225 struct parser_state state_stack[5]; 226 struct parser_state match_state[5]; 227