Annotation of src/usr.bin/indent/indent_globs.h, Revision 1.9
1.9 ! deraadt 1: /* * $OpenBSD: indent_globs.h,v 1.8 2003/06/11 23:31:50 deraadt Exp $*/
1.1 deraadt 2: /*
3: * Copyright (c) 1985 Sun Microsystems, Inc.
1.5 pjanzen 4: * Copyright (c) 1980, 1993
5: * The Regents of the University of California.
1.1 deraadt 6: * Copyright (c) 1976 Board of Trustees of the University of Illinois.
7: * All rights reserved.
8: *
9: * Redistribution and use in source and binary forms, with or without
10: * modification, are permitted provided that the following conditions
11: * are met:
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in the
16: * documentation and/or other materials provided with the distribution.
1.9 ! deraadt 17: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 18: * may be used to endorse or promote products derived from this software
19: * without specific prior written permission.
20: *
21: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31: * SUCH DAMAGE.
32: *
1.5 pjanzen 33: * from: @(#)indent_globs.h 8.1 (Berkeley) 6/6/93
1.1 deraadt 34: */
35:
36: #define BACKSLASH '\\'
37: #define bufsize 200 /* size of internal buffers */
38: #define sc_size 5000 /* size of save_com buffer */
39: #define label_offset 2 /* number of levels a label is placed to left
40: * of code */
41:
42: #define tabsize 8 /* the size of a tab */
43: #define tabmask 0177770 /* mask used when figuring length of lines
44: * 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: #define CHECK_SIZE_CODE \
55: if (e_code >= l_code) { \
1.8 deraadt 56: int nsize = l_code-s_code+400; \
57: \
1.1 deraadt 58: codebuf = (char *) realloc(codebuf, nsize); \
1.5 pjanzen 59: if (codebuf == NULL) \
1.6 pjanzen 60: err(1, NULL); \
1.1 deraadt 61: e_code = codebuf + (e_code-s_code) + 1; \
62: l_code = codebuf + nsize - 5; \
63: s_code = codebuf + 1; \
64: }
65: #define CHECK_SIZE_COM \
66: if (e_com >= l_com) { \
1.8 deraadt 67: int nsize = l_com-s_com+400; \
68: \
1.1 deraadt 69: combuf = (char *) realloc(combuf, nsize); \
1.5 pjanzen 70: if (combuf == NULL) \
1.6 pjanzen 71: err(1, NULL); \
1.1 deraadt 72: e_com = combuf + (e_com-s_com) + 1; \
73: l_com = combuf + nsize - 5; \
74: s_com = combuf + 1; \
75: }
76: #define CHECK_SIZE_LAB \
77: if (e_lab >= l_lab) { \
1.8 deraadt 78: int nsize = l_lab-s_lab+400; \
79: \
1.1 deraadt 80: labbuf = (char *) realloc(labbuf, nsize); \
1.5 pjanzen 81: if (labbuf == NULL) \
1.6 pjanzen 82: err(1, NULL); \
1.1 deraadt 83: e_lab = labbuf + (e_lab-s_lab) + 1; \
84: l_lab = labbuf + nsize - 5; \
85: s_lab = labbuf + 1; \
86: }
87: #define CHECK_SIZE_TOKEN \
88: if (e_token >= l_token) { \
1.8 deraadt 89: int nsize = l_token-s_token+400; \
90: \
1.1 deraadt 91: tokenbuf = (char *) realloc(tokenbuf, nsize); \
1.5 pjanzen 92: if (tokenbuf == NULL) \
1.6 pjanzen 93: err(1, NULL); \
1.1 deraadt 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 pointer_as_binop;
136: int blanklines_after_declarations;
137: int blanklines_before_blockcomments;
138: int blanklines_after_procs;
139: int blanklines_around_conditional_compilation;
140: int swallow_optional_blanklines;
141: int n_real_blanklines;
142: int prefix_blankline_requested;
143: int postfix_blankline_requested;
144: int break_comma; /* when true and not in parens, break after a
145: * comma */
146: int btype_2; /* when true, brace should be on same line as
147: * if, while, etc */
148: float case_ind; /* indentation level to be used for a "case
149: * n:" */
150: int code_lines; /* count of lines with code */
151: int had_eof; /* set to true when input is exhausted */
152: int line_no; /* the current line number. */
153: int max_col; /* the maximum allowable line length */
154: int verbose; /* when true, non-essential error messages are
155: * printed */
156: int cuddle_else; /* true if else should cuddle up to '}' */
157: int star_comment_cont; /* true iff comment continuation lines should
158: * have stars at the beginning of each line. */
159: int comment_delimiter_on_blankline;
160: int troff; /* true iff were generating troff input */
161: int procnames_start_line; /* if true, the names of procedures
162: * being defined get placed in column
163: * 1 (ie. a newline is placed between
164: * the type of the procedure and its
165: * name) */
166: int proc_calls_space; /* If true, procedure calls look like:
167: * foo(bar) rather than foo (bar) */
168: int format_col1_comments; /* If comments which start in column 1
169: * are to be magically reformatted
170: * (just like comments that begin in
171: * later columns) */
172: int inhibit_formatting; /* true if INDENT OFF is in effect */
173: int suppress_blanklines;/* set iff following blanklines should be
174: * suppressed */
175: int continuation_indent;/* set to the indentation between the edge of
176: * code and continuation lines */
177: int lineup_to_parens; /* if true, continued code within parens will
178: * be lined up to the open paren */
179: int Bill_Shannon; /* true iff a blank should always be inserted
180: * after sizeof */
181: int blanklines_after_declarations_at_proctop; /* This is vaguely
182: * similar to
183: * blanklines_after_decla
184: * rations except that
185: * it only applies to
186: * the first set of
187: * declarations in a
188: * procedure (just after
189: * the first '{') and it
190: * causes a blank line
191: * to be generated even
192: * if there are no
193: * declarations */
194: int block_comment_max_col;
195: int extra_expression_indent; /* True if continuation lines from the
196: * expression part of "if(e)",
197: * "while(e)", "for(e;e;e)" should be
198: * indented an extra tab stop so that
199: * they don't conflict with the code
200: * that follows */
201:
202: /* -troff font state information */
203:
204: struct fstate {
205: char font[4];
206: char size;
207: int allcaps:1;
208: };
209: char *chfont();
210:
211: struct fstate
212: keywordf, /* keyword font */
213: stringf, /* string font */
214: boxcomf, /* Box comment font */
215: blkcomf, /* Block comment font */
216: scomf, /* Same line comment font */
217: bodyf; /* major body font */
218:
219:
220: #define STACKSIZE 150
221:
222: struct parser_state {
223: int last_token;
224: struct fstate cfont; /* Current font */
225: int p_stack[STACKSIZE]; /* this is the parsers stack */
226: int il[STACKSIZE]; /* this stack stores indentation levels */
227: float cstk[STACKSIZE];/* used to store case stmt indentation levels */
228: int box_com; /* set to true when we are in a "boxed"
229: * comment. In that case, the first non-blank
1.3 mickey 230: * char should be lined up with the / in rem */
1.1 deraadt 231: int comment_delta,
232: n_comment_delta;
233: int cast_mask; /* indicates which close parens close off
234: * casts */
235: int sizeof_mask; /* indicates which close parens close off
236: * sizeof''s */
237: int block_init; /* true iff inside a block initialization */
238: int block_init_level; /* The level of brace nesting in an
239: * initialization */
240: int last_nl; /* this is true if the last thing scanned was
241: * a newline */
242: int in_or_st; /* Will be true iff there has been a
243: * declarator (e.g. int or char) and no left
244: * paren since the last semicolon. When true,
245: * a '{' is starting a structure definition or
246: * an initialization list */
247: int bl_line; /* set to 1 by dump_line if the line is blank */
248: int col_1; /* set to true if the last token started in
249: * column 1 */
250: int com_col; /* this is the column in which the current
251: * coment should start */
252: int com_ind; /* the column in which comments to the right
253: * of code should start */
254: int com_lines; /* the number of lines with comments, set by
255: * dump_line */
256: int dec_nest; /* current nesting level for structure or init */
257: int decl_com_ind; /* the column in which comments after
258: * declarations should be put */
259: int decl_on_line; /* set to true if this line of code has part
260: * of a declaration on it */
261: int i_l_follow; /* the level to which ind_level should be set
262: * after the current line is printed */
263: int in_decl; /* set to true when we are in a declaration
264: * stmt. The processing of braces is then
265: * slightly different */
266: int in_stmt; /* set to 1 while in a stmt */
267: int ind_level; /* the current indentation level */
268: int ind_size; /* the size of one indentation level */
269: int ind_stmt; /* set to 1 if next line should have an extra
270: * indentation level because we are in the
271: * middle of a stmt */
272: int last_u_d; /* set to true after scanning a token which
273: * forces a following operator to be unary */
274: int leave_comma; /* if true, never break declarations after
275: * commas */
276: int ljust_decl; /* true if declarations should be left
277: * justified */
278: int out_coms; /* the number of comments processed, set by
279: * pr_comment */
280: int out_lines; /* the number of lines written, set by
281: * dump_line */
282: int p_l_follow; /* used to remember how to indent following
283: * statement */
284: int paren_level; /* parenthesization level. used to indent
285: * within stmts */
286: short paren_indents[20]; /* column positions of each paren */
287: int pcase; /* set to 1 if the current line label is a
288: * case. It is printed differently from a
289: * regular label */
290: int search_brace; /* set to true by parse when it is necessary
291: * to buffer up all info up to the start of a
292: * stmt after an if, while, etc */
293: int unindent_displace; /* comments not to the right of code
294: * will be placed this many
295: * indentation levels to the left of
296: * code */
297: int use_ff; /* set to one if the current line should be
298: * terminated with a form feed */
299: int want_blank; /* set to true when the following token should
300: * be prefixed by a blank. (Said prefixing is
301: * ignored in some cases.) */
302: int else_if; /* True iff else if pairs should be handled
303: * specially */
304: int decl_indent; /* column to indent declared identifiers to */
305: int its_a_keyword;
306: int sizeof_keyword;
307: int dumped_decl_indent;
308: float case_indent; /* The distance to indent case labels from the
309: * switch statement */
310: int in_parameter_declaration;
311: int indent_parameters;
312: int tos; /* pointer to top of stack */
313: char procname[100]; /* The name of the current procedure */
314: int just_saw_decl;
315: } ps;
316:
317: int ifdef_level;
318: int rparen_count;
319: struct parser_state state_stack[5];
320: struct parser_state match_state[5];
1.5 pjanzen 321:
1.7 millert 322: int compute_code_target(void);
323: int compute_label_target(void);
324: int count_spaces(int, char *);
325: void diag(int, char *, ...);
326: void dump_line(void);
327: int eqin(char *, char *);
328: void fill_buffer(void);
329: int pad_output(int, int);
330: void scan_profile(FILE *);
331: void set_defaults(void);
332: void set_option(char *);
333: void addkey(char *, int);
334: void set_profile(void);
335: char *chfont(struct fstate *, struct fstate *, char *);
336: void parsefont(struct fstate *, char *);
337: void writefdef(struct fstate *, int);
338: int lexi(void);
339: void reduce(void);
340: void parse(int);
341: void pr_comment(void);
342: void bakcopy(void);
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