Annotation of src/usr.bin/indent/indent_globs.h, Revision 1.10
1.10 ! deraadt 1: /* * $OpenBSD: indent_globs.h,v 1.9 2003/06/12 01:07:27 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:
210: struct fstate
211: keywordf, /* keyword font */
212: stringf, /* string font */
213: boxcomf, /* Box comment font */
214: blkcomf, /* Block comment font */
215: scomf, /* Same line comment font */
216: bodyf; /* major body font */
217:
218:
219: #define STACKSIZE 150
220:
221: struct parser_state {
222: int last_token;
223: struct fstate cfont; /* Current font */
224: int p_stack[STACKSIZE]; /* this is the parsers stack */
225: int il[STACKSIZE]; /* this stack stores indentation levels */
226: float cstk[STACKSIZE];/* used to store case stmt indentation levels */
227: int box_com; /* set to true when we are in a "boxed"
228: * comment. In that case, the first non-blank
1.3 mickey 229: * char should be lined up with the / in rem */
1.1 deraadt 230: int comment_delta,
231: n_comment_delta;
232: int cast_mask; /* indicates which close parens close off
233: * casts */
234: int sizeof_mask; /* indicates which close parens close off
235: * sizeof''s */
236: int block_init; /* true iff inside a block initialization */
237: int block_init_level; /* The level of brace nesting in an
238: * initialization */
239: int last_nl; /* this is true if the last thing scanned was
240: * a newline */
241: int in_or_st; /* Will be true iff there has been a
242: * declarator (e.g. int or char) and no left
243: * paren since the last semicolon. When true,
244: * a '{' is starting a structure definition or
245: * an initialization list */
246: int bl_line; /* set to 1 by dump_line if the line is blank */
247: int col_1; /* set to true if the last token started in
248: * column 1 */
249: int com_col; /* this is the column in which the current
250: * coment should start */
251: int com_ind; /* the column in which comments to the right
252: * of code should start */
253: int com_lines; /* the number of lines with comments, set by
254: * dump_line */
255: int dec_nest; /* current nesting level for structure or init */
256: int decl_com_ind; /* the column in which comments after
257: * declarations should be put */
258: int decl_on_line; /* set to true if this line of code has part
259: * of a declaration on it */
260: int i_l_follow; /* the level to which ind_level should be set
261: * after the current line is printed */
262: int in_decl; /* set to true when we are in a declaration
263: * stmt. The processing of braces is then
264: * slightly different */
265: int in_stmt; /* set to 1 while in a stmt */
266: int ind_level; /* the current indentation level */
267: int ind_size; /* the size of one indentation level */
268: int ind_stmt; /* set to 1 if next line should have an extra
269: * indentation level because we are in the
270: * middle of a stmt */
271: int last_u_d; /* set to true after scanning a token which
272: * forces a following operator to be unary */
273: int leave_comma; /* if true, never break declarations after
274: * commas */
275: int ljust_decl; /* true if declarations should be left
276: * justified */
277: int out_coms; /* the number of comments processed, set by
278: * pr_comment */
279: int out_lines; /* the number of lines written, set by
280: * dump_line */
281: int p_l_follow; /* used to remember how to indent following
282: * statement */
283: int paren_level; /* parenthesization level. used to indent
284: * within stmts */
285: short paren_indents[20]; /* column positions of each paren */
286: int pcase; /* set to 1 if the current line label is a
287: * case. It is printed differently from a
288: * regular label */
289: int search_brace; /* set to true by parse when it is necessary
290: * to buffer up all info up to the start of a
291: * stmt after an if, while, etc */
292: int unindent_displace; /* comments not to the right of code
293: * will be placed this many
294: * indentation levels to the left of
295: * code */
296: int use_ff; /* set to one if the current line should be
297: * terminated with a form feed */
298: int want_blank; /* set to true when the following token should
299: * be prefixed by a blank. (Said prefixing is
300: * ignored in some cases.) */
301: int else_if; /* True iff else if pairs should be handled
302: * specially */
303: int decl_indent; /* column to indent declared identifiers to */
304: int its_a_keyword;
305: int sizeof_keyword;
306: int dumped_decl_indent;
307: float case_indent; /* The distance to indent case labels from the
308: * switch statement */
309: int in_parameter_declaration;
310: int indent_parameters;
311: int tos; /* pointer to top of stack */
312: char procname[100]; /* The name of the current procedure */
313: int just_saw_decl;
314: } ps;
315:
316: int ifdef_level;
317: int rparen_count;
318: struct parser_state state_stack[5];
319: struct parser_state match_state[5];
1.5 pjanzen 320:
1.7 millert 321: int compute_code_target(void);
322: int compute_label_target(void);
323: int count_spaces(int, char *);
324: void diag(int, char *, ...);
325: void dump_line(void);
326: int eqin(char *, char *);
327: void fill_buffer(void);
328: int pad_output(int, int);
329: void scan_profile(FILE *);
330: void set_defaults(void);
331: void set_option(char *);
332: void addkey(char *, int);
333: void set_profile(void);
334: char *chfont(struct fstate *, struct fstate *, char *);
335: void parsefont(struct fstate *, char *);
336: void writefdef(struct fstate *, int);
337: int lexi(void);
338: void reduce(void);
339: void parse(int);
340: void pr_comment(void);
341: void bakcopy(void);