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1.1 root 1: /*
2: * Copyright (c) 1980 Regents of the University of California.
3: * Copyright (c) 1976 Board of Trustees of the University of Illinois.
4: * All rights reserved.
5: *
6: * Redistribution and use in source and binary forms are permitted
7: * provided that the above copyright notice and this paragraph are
8: * duplicated in all such forms and that any documentation,
9: * advertising materials, and other materials related to such
10: * distribution and use acknowledge that the software was developed
11: * by the University of California, Berkeley and the University
12: * of Illinois, Urbana. The name of either
13: * University may not be used to endorse or promote products derived
14: * from this software without specific prior written permission.
15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
16: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
17: * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
18: *
19: * @(#)indent_globs.h 5.6 (Berkeley) 6/29/88
20: */
21:
22: /*
23: FILE NAME:
24: indent_globs.h
25:
26: PURPOSE:
27: This include file contains the declarations for all global variables
28: used in indent.
29:
30: GLOBALS:
31: The names of all of the variables will not be repeated here. The
32: declarations start on the next page.
33:
34: FUNCTIONS:
35: None
36: */
37:
38: #include <stdio.h>
39:
40: #define BACKSLASH '\\'
41: #define bufsize 600 /* size of internal buffers */
42: #define inp_bufs 600 /* size of input buffer */
43: #define sc_size 5000 /* size of save_com buffer */
44: #define label_offset 2 /* number of levels a label is placed to left of code
45: */
46:
47: #define tabsize 8 /* the size of a tab */
48: #define tabmask 0177770 /* mask used when figuring length of lines 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: char labbuf[bufsize]; /* buffer for label */
59: char *s_lab; /* start ... */
60: char *e_lab; /* .. and end of stored label */
61:
62: char codebuf[bufsize]; /* buffer for code section */
63: char *s_code; /* start ... */
64: char *e_code; /* .. and end of stored code */
65:
66: char combuf[bufsize]; /* buffer for comments */
67: char *s_com; /* start ... */
68: char *e_com; /* ... and end of stored comments */
69:
70: char in_buffer[inp_bufs]; /* input buffer */
71: char *buf_ptr; /* ptr to next character to be taken from in_buffer */
72: char *buf_end; /* ptr to first after last char in in_buffer */
73:
74: char save_com[sc_size]; /* input text is saved here when looking for the brace
75: after an if, while, etc */
76: char *sc_end; /* pointer into save_com buffer */
77:
78: char *bp_save; /* saved value of buf_ptr when taking input from
79: save_com */
80: char *be_save; /* similarly saved value of buf_end */
81:
82: char token[bufsize]; /* the last token scanned */
83:
84:
85:
86: int blanklines_after_declarations;
87: int blanklines_before_blockcomments;
88: int blanklines_after_procs;
89: int swallow_optional_blanklines;
90: int n_real_blanklines;
91: int prefix_blankline_requested;
92: int postfix_blankline_requested;
93: int break_comma; /* when true and not in parens, break after a comma */
94: int btype_2; /* when true, brace should be on same line as if,
95: while, etc */
96: float case_ind; /* indentation level to be used for a "case n:" */
97: int code_lines;/* count of lines with code */
98: int had_eof; /* set to true when input is exhausted */
99: int line_no; /* the current line number. */
100: int max_col; /* the maximum allowable line length */
101: int pointer_as_binop; /* when true, "->" is treated as a binary
102: operator (giving, e.g., "p -> f") */
103: int verbose; /* when true, non-essential error messages are printed
104: */
105: int cuddle_else; /* true if else should cuddle up to '}' */
106: int star_comment_cont; /* true iff comment continuation lines should
107: have stars at the beginning of each line.
108: */
109: int comment_delimiter_on_blankline;
110: int troff; /* true iff were generating troff input */
111: int procnames_start_line; /* if true, the names of procedures being
112: defined get placed in column 1 (ie. a
113: newline is placed between the type of the
114: procedure and its name) */
115: int proc_calls_space; /* If true, procedure calls look like:
116: foo(bar) rather than foo (bar) */
117: int format_col1_comments; /* If comments which start in column 1 are to
118: be magically reformatted (just like comments that
119: begin in later columns) */
120: int inhibit_formatting; /* true if INDENT OFF is in effect */
121: int suppress_blanklines; /* set iff following blanklines should be
122: suppressed */
123: int continuation_indent; /* set to the indentation between the edge of
124: code and continuation lines */
125: int lineup_to_parens; /* if true, continued code within parens will
126: be lined up to the open paren */
127: int block_comment_max_col;
128:
129:
130: struct parser_state {
131: int last_token;
132: int p_stack[50]; /* this is the parsers stack */
133: int il[50]; /* this stack stores indentation levels */
134: float cstk[50]; /* used to store case stmt indentation
135: * levels */
136: int box_com; /* set to true when we are in a "boxed"
137: * comment. In that case, the first
138: * non-blank char should be lined up with
139: * the / in /* */
140: int comment_delta,
141: n_comment_delta;
142: int cast_mask; /* indicates which close parens close off
143: * casts */
144: int sizeof_mask; /* indicates which close parens close off
145: sizeof''s */
146: int block_init; /* true iff inside a block initialization */
147: int last_nl; /* this is true if the last thing scanned
148: * was a newline */
149: int in_or_st; /* Will be true iff there has been a
150: * declarator (e.g. int or char) and no
151: * left paren since the last semicolon.
152: * When true, a '{' is starting a
153: * structure definition or an
154: * initialization list */
155: int bl_line; /* set to 1 by dump_line if the line is
156: * blank */
157: int col_1; /* set to true if the last token started
158: * in column 1 */
159: int com_col; /* this is the column in which the current
160: * coment should start */
161: int com_ind; /* the column in which comments to the
162: * right of code should start */
163: int com_lines; /* the number of lines with comments, set
164: * by dump_line */
165: int dec_nest; /* current nesting level for structure or
166: * init */
167: int decl_com_ind; /* the column in which comments after
168: * declarations should be put */
169: int decl_on_line; /* set to true if this line of code has
170: * part of a declaration on it */
171: int i_l_follow; /* the level to which ind_level should be
172: * set after the current line is printed */
173: int in_decl; /* set to true when we are in a
174: * declaration stmt. The processing of
175: * braces is then slightly different */
176: int in_stmt; /* set to 1 while in a stmt */
177: int ind_level; /* the current indentation level */
178: int ind_size; /* the size of one indentation level */
179: int ind_stmt; /* set to 1 if next line should have an
180: * extra indentation level because we are
181: * in the middle of a stmt */
182: int last_u_d; /* set to true after scanning a token
183: * which forces a following operator to be
184: * unary */
185: int leave_comma; /* if true, never break declarations after
186: * commas */
187: int ljust_decl; /* true if declarations should be left
188: * justified */
189: int out_coms; /* the number of comments processed, set
190: * by pr_comment */
191: int out_lines; /* the number of lines written, set by
192: * dump_line */
193: int p_l_follow; /* used to remember how to indent
194: * following statement */
195: int paren_level; /* parenthesization level. used to indent
196: * within stmts */
197: short paren_indents[20]; /* column positions of each paren */
198: int pcase; /* set to 1 if the current line label is a
199: * case. It is printed differently from
200: * a regular label */
201: int search_brace; /* set to true by parse when it is
202: * necessary to buffer up all info up to
203: * the start of a stmt after an if, while,
204: * etc */
205: int unindent_displace; /* comments not to the right of
206: * code will be placed this many
207: * indentation levels to the left
208: * of code */
209: int use_ff; /* set to one if the current line should
210: * be terminated with a form feed */
211: int want_blank; /* set to true when the following token
212: * should be prefixed by a blank. (Said
213: * prefixing is ignored in some cases.) */
214: int else_if; /* True iff else if pairs should be
215: * handled specially */
216: int decl_indent; /* column to indent declared identifiers
217: * to */
218: int its_a_keyword;
219: int sizeof_keyword;
220: int dumped_decl_indent;
221: float case_indent; /* The distance to indent case labels from
222: * the switch statement */
223: int in_parameter_declaration;
224: int indent_parameters;
225: int tos; /* pointer to top of stack */
226: char procname[100]; /* The name of the current procedure */
227: int just_saw_decl;
228: } ps;
229:
230: int ifdef_level;
231: struct parser_state state_stack[5];
232: struct parser_state match_state[5];
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