1 /* indent_globs.h 4.2 83/08/11 */ 2 3 /* 4 5 Copyright (C) 1976 6 by the 7 Board of Trustees 8 of the 9 University of Illinois 10 11 All rights reserved 12 13 FILE NAME: 14 indent_globs.h 15 16 PURPOSE: 17 This include file contains the declarations for all global variables 18 used in indent. 19 20 GLOBALS: 21 The names of all of the variables will not be repeated here. The 22 declarations start on the next page. 23 24 FUNCTIONS: 25 None 26 */ 27 #define bufsize 600/* size of internal buffers */ 28 #define inp_bufs 512 29 /* size of input buffer */ 30 #define sc_size 5000 31 /* size of save_com buffer */ 32 #define label_offset 2 33 /* number of levels a label is placed to left of code 34 */ 35 36 #define d_ljust 0 /* default for ljust_decl */ 37 #define d_max_col 75 38 /* default for max_col */ 39 #define d_com_ind 33 40 /* default com_ind */ 41 #define d_ind_size 4 42 /* default ind_size */ 43 #define d_verbose 0/* default verbose */ 44 #define d_unindent 1 45 /* default value for unindent_displace */ 46 #define d_leave_comma 0 47 /* default value for leave_comma */ 48 #define d_btype_2 1/* default value for btype_2 */ 49 50 #define tabsize 8 /* the size of a tab */ 51 #define tabmask 0177770 52 /* mask used when figuring length of lines with tabs */ 53 54 55 #define false 0 56 #define true 1 57 58 59 int input; /* the fid for the input file */ 60 int output; /* the fid for the output file */ 61 62 char labbuf[bufsize]; 63 /* buffer for label */ 64 char *s_lab; /* start ... */ 65 char *e_lab; /* .. and end of stored label */ 66 67 char codebuf[bufsize]; 68 /* buffer for code section */ 69 char *s_code; /* start ... */ 70 char *e_code; /* .. and end of stored code */ 71 72 char combuf[bufsize]; 73 /* buffer for comments */ 74 char *s_com; /* start ... */ 75 char *e_com; /* ... and end of stored comments */ 76 77 char in_buffer[inp_bufs]; 78 /* input buffer */ 79 char *buf_ptr; /* ptr to next character to be taken from in_buffer */ 80 char *buf_end; /* ptr to first after last char in in_buffer */ 81 82 char save_com[sc_size]; 83 /* input text is saved here when looking for the brace 84 after an if, while, etc */ 85 char *sc_end; /* pointer into save_com buffer */ 86 87 char *bp_save; /* saved value of buf_ptr when taking input from 88 save_com */ 89 char *be_save; /* similarly saved value of buf_end */ 90 91 char token[bufsize]; 92 /* the last token scanned */ 93 94 95 96 97 int bl_line; /* set to 1 by dump_line if the line is blank */ 98 int break_comma; 99 /* when true and not in parens, break after a comma */ 100 int btype_2; /* when true, brace should be on same line as if, 101 while, etc */ 102 int case_ind; /* indentation level to be used for a "case n:" */ 103 int code_lines;/* count of lines with code */ 104 int col_1; /* set to true if the last token started in column 1 */ 105 int com_col; /* this is the column in which the current coment 106 should start */ 107 int com_ind; /* the column in which comments to the right of code 108 should start */ 109 int com_lines; /* the number of lines with comments, set by dump_line 110 */ 111 int dec_nest; /* current nesting level for structure or init */ 112 int decl_com_ind; 113 /* the column in which comments after declarations 114 should be put */ 115 int decl_on_line; 116 /* set to true if this line of code has part of a 117 declaration on it */ 118 int had_eof; /* set to true when input is exhausted */ 119 int i_l_follow;/* the level to which ind_level should be set after the 120 current line is printed */ 121 int in_decl; /* set to true when we are in a declaration stmt. The 122 processing of braces is then slightly different */ 123 int in_stmt; /* set to 1 while in a stmt */ 124 int ind_level; /* the current indentation level */ 125 int ind_size; /* the size of one indentation level */ 126 int ind_stmt; /* set to 1 if next line should have an extra 127 indentation level because we are in the middle of a 128 stmt */ 129 int last_u_d; /* set to true after scanning a token which forces a 130 following operator to be unary */ 131 int leave_comma; 132 /* if true, never break declarations after commas */ 133 int line_no; /* the current line number. */ 134 int ljust_decl;/* true if declarations should be left justified */ 135 int max_col; /* the maximum allowable line length */ 136 int out_coms; /* the number of comments processed, set by pr_comment 137 */ 138 int out_lines; /* the number of lines written, set by dump_line */ 139 int p_l_follow;/* used to remember how to indent following statement 140 */ 141 int paren_level; 142 /* parenthesization level. used to indent within stmts 143 */ 144 int pcase; /* set to 1 if the current line label is a case. It is 145 printed differently from a regular label */ 146 int search_brace; 147 /* set to true by parse when it is necessary to buffer 148 up all info up to the start of a stmt after an if, 149 while, etc */ 150 int unindent_displace; 151 /* comments not to the right of code will be placed 152 this many indentation levels to the left of code */ 153 int use_ff; /* set to one if the current line should be terminated 154 with a form feed */ 155 int verbose; /* when true, non-essential error messages are printed 156 */ 157