2 * SPDX-License-Identifier: BSD-4-Clause
4 * Copyright (c) 1985 Sun Microsystems, Inc.
5 * Copyright (c) 1980, 1993
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10 * modification, are permitted provided that the following conditions
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33 * @(#)args.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: head/usr.bin/indent/args.c 336318 2018-07-15 21:04:21Z pstef $
38 * Argument scanning and profile reading code. Default parameters are set
48 #include "indent_globs.h"
51 #define INDENT_VERSION "2.0"
54 #define PRO_SPECIAL 1 /* special case */
55 #define PRO_BOOL 2 /* boolean */
56 #define PRO_INT 3 /* integer */
58 /* profile specials for booleans */
59 #define ON 1 /* turn it on */
60 #define OFF 0 /* turn it off */
62 /* profile specials for specials */
63 #define IGN 1 /* ignore it */
64 #define CLI 2 /* case label indent (float) */
65 #define STDIN 3 /* use stdin */
66 #define KEY 4 /* type (keyword) */
68 static void scan_profile(FILE *);
70 #define KEY_FILE 5 /* only used for args */
71 #define VERSION 6 /* only used for args */
73 const char *option_source = "?";
75 void add_typedefs_from_file(const char *str);
78 * N.B.: because of the way the table here is scanned, options whose names are
79 * substrings of other options must occur later; that is, with -lp vs -l, -lp
80 * must be first. Also, while (most) booleans occur more than once, the last
81 * default value is the one actually assigned.
84 const char *p_name; /* name, e.g. -bl, -cli */
85 int p_type; /* type (int, bool, special) */
86 int p_default; /* the default value (if int) */
87 int p_special; /* depends on type */
88 int *p_obj; /* the associated variable */
91 {"T", PRO_SPECIAL, 0, KEY, 0},
92 {"U", PRO_SPECIAL, 0, KEY_FILE, 0},
93 {"-version", PRO_SPECIAL, 0, VERSION, 0},
94 {"P", PRO_SPECIAL, 0, IGN, 0},
95 {"bacc", PRO_BOOL, false, ON, &opt.blanklines_around_conditional_compilation},
96 {"badp", PRO_BOOL, false, ON, &opt.blanklines_after_declarations_at_proctop},
97 {"bad", PRO_BOOL, false, ON, &opt.blanklines_after_declarations},
98 {"bap", PRO_BOOL, false, ON, &opt.blanklines_after_procs},
99 {"bbb", PRO_BOOL, false, ON, &opt.blanklines_before_blockcomments},
100 {"bc", PRO_BOOL, true, OFF, &opt.leave_comma},
101 {"bl", PRO_BOOL, true, OFF, &opt.btype_2},
102 {"br", PRO_BOOL, true, ON, &opt.btype_2},
103 {"bs", PRO_BOOL, false, ON, &opt.Bill_Shannon},
104 {"cdb", PRO_BOOL, true, ON, &opt.comment_delimiter_on_blankline},
105 {"cd", PRO_INT, 0, 0, &opt.decl_com_ind},
106 {"ce", PRO_BOOL, true, ON, &opt.cuddle_else},
107 {"ci", PRO_INT, 0, 0, &opt.continuation_indent},
108 {"cli", PRO_SPECIAL, 0, CLI, 0},
109 {"cs", PRO_BOOL, false, ON, &opt.space_after_cast},
110 {"c", PRO_INT, 33, 0, &opt.com_ind},
111 {"di", PRO_INT, 16, 0, &opt.decl_indent},
112 {"dj", PRO_BOOL, false, ON, &opt.ljust_decl},
113 {"d", PRO_INT, 0, 0, &opt.unindent_displace},
114 {"eei", PRO_BOOL, false, ON, &opt.extra_expression_indent},
115 {"ei", PRO_BOOL, true, ON, &opt.else_if},
116 {"fbs", PRO_BOOL, true, ON, &opt.function_brace_split},
117 {"fc1", PRO_BOOL, true, ON, &opt.format_col1_comments},
118 {"fcb", PRO_BOOL, true, ON, &opt.format_block_comments},
119 {"ip", PRO_BOOL, true, ON, &opt.indent_parameters},
120 {"i", PRO_INT, 8, 0, &opt.ind_size},
121 {"lc", PRO_INT, 0, 0, &opt.block_comment_max_col},
122 {"ldi", PRO_INT, -1, 0, &opt.local_decl_indent},
123 {"lpl", PRO_BOOL, false, ON, &opt.lineup_to_parens_always},
124 {"lp", PRO_BOOL, true, ON, &opt.lineup_to_parens},
125 {"l", PRO_INT, 78, 0, &opt.max_col},
126 {"nbacc", PRO_BOOL, false, OFF, &opt.blanklines_around_conditional_compilation},
127 {"nbadp", PRO_BOOL, false, OFF, &opt.blanklines_after_declarations_at_proctop},
128 {"nbad", PRO_BOOL, false, OFF, &opt.blanklines_after_declarations},
129 {"nbap", PRO_BOOL, false, OFF, &opt.blanklines_after_procs},
130 {"nbbb", PRO_BOOL, false, OFF, &opt.blanklines_before_blockcomments},
131 {"nbc", PRO_BOOL, true, ON, &opt.leave_comma},
132 {"nbs", PRO_BOOL, false, OFF, &opt.Bill_Shannon},
133 {"ncdb", PRO_BOOL, true, OFF, &opt.comment_delimiter_on_blankline},
134 {"nce", PRO_BOOL, true, OFF, &opt.cuddle_else},
135 {"ncs", PRO_BOOL, false, OFF, &opt.space_after_cast},
136 {"ndj", PRO_BOOL, false, OFF, &opt.ljust_decl},
137 {"neei", PRO_BOOL, false, OFF, &opt.extra_expression_indent},
138 {"nei", PRO_BOOL, true, OFF, &opt.else_if},
139 {"nfbs", PRO_BOOL, true, OFF, &opt.function_brace_split},
140 {"nfc1", PRO_BOOL, true, OFF, &opt.format_col1_comments},
141 {"nfcb", PRO_BOOL, true, OFF, &opt.format_block_comments},
142 {"nip", PRO_BOOL, true, OFF, &opt.indent_parameters},
143 {"nlpl", PRO_BOOL, false, OFF, &opt.lineup_to_parens_always},
144 {"nlp", PRO_BOOL, true, OFF, &opt.lineup_to_parens},
145 {"npcs", PRO_BOOL, false, OFF, &opt.proc_calls_space},
146 {"npro", PRO_SPECIAL, 0, IGN, 0},
147 {"npsl", PRO_BOOL, true, OFF, &opt.procnames_start_line},
148 {"nsc", PRO_BOOL, true, OFF, &opt.star_comment_cont},
149 {"nsob", PRO_BOOL, false, OFF, &opt.swallow_optional_blanklines},
150 {"nut", PRO_BOOL, true, OFF, &opt.use_tabs},
151 {"nv", PRO_BOOL, false, OFF, &opt.verbose},
152 {"pcs", PRO_BOOL, false, ON, &opt.proc_calls_space},
153 {"psl", PRO_BOOL, true, ON, &opt.procnames_start_line},
154 {"sc", PRO_BOOL, true, ON, &opt.star_comment_cont},
155 {"sob", PRO_BOOL, false, ON, &opt.swallow_optional_blanklines},
156 {"st", PRO_SPECIAL, 0, STDIN, 0},
157 {"ta", PRO_BOOL, false, ON, &opt.auto_typedefs},
158 {"ts", PRO_INT, 8, 0, &opt.tabsize},
159 {"ut", PRO_BOOL, true, ON, &opt.use_tabs},
160 {"v", PRO_BOOL, false, ON, &opt.verbose},
166 * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments
167 * given in these files.
170 set_profile(const char *profile_name)
173 char fname[PATH_MAX];
174 static char prof[] = ".indent.pro";
176 if (profile_name == NULL)
177 snprintf(fname, sizeof(fname), "%s/%s", getenv("HOME"), prof);
179 snprintf(fname, sizeof(fname), "%s", profile_name + 2);
180 if ((f = fopen(option_source = fname, "r")) != NULL) {
184 if ((f = fopen(option_source = prof, "r")) != NULL) {
188 option_source = "Command line";
192 scan_profile(FILE *f)
201 while ((i = getc(f)) != EOF) {
202 if (i == '*' && !comment && p > buf && p[-1] == '/') {
205 } else if (i == '/' && comment && p > buf && p[-1] == '*') {
206 p = buf + comment - 1;
208 } else if (isspace((unsigned char)i)) {
209 if (p > buf && !comment)
218 printf("profile: %s\n", buf);
227 eqin(const char *s1, const char *s2)
245 * Because ps.case_indent is a float, we can't initialize it from the
248 opt.case_indent = 0.0; /* -cli0.0 */
249 for (p = pro; p->p_name; p++)
250 if (p->p_type != PRO_SPECIAL)
251 *p->p_obj = p->p_default;
255 set_option(char *arg)
258 const char *param_start;
260 arg++; /* ignore leading "-" */
261 for (p = pro; p->p_name; p++)
262 if (*p->p_name == *arg && (param_start = eqin(p->p_name, arg)) != NULL)
264 errx(1, "%s: unknown parameter \"%s\"", option_source, arg - 1);
269 switch (p->p_special) {
275 if (*param_start == 0)
277 opt.case_indent = atof(param_start);
288 if (*param_start == 0)
290 add_typename(param_start);
294 if (*param_start == 0)
296 add_typedefs_from_file(param_start);
300 printf("FreeBSD indent %s\n", INDENT_VERSION);
304 errx(1, "set_option: internal error: p_special %d", p->p_special);
309 if (p->p_special == OFF)
316 if (!isdigit((unsigned char)*param_start)) {
318 errx(1, "%s: ``%s'' requires a parameter", option_source, p->p_name);
320 *p->p_obj = atoi(param_start);
324 errx(1, "set_option: internal error: p_type %d", p->p_type);
329 add_typedefs_from_file(const char *str)
334 if ((file = fopen(str, "r")) == NULL) {
335 fprintf(stderr, "indent: cannot open file %s\n", str);
338 while ((fgets(line, BUFSIZ, file)) != NULL) {
339 /* Remove trailing whitespace */
340 line[strcspn(line, " \t\n\r")] = '\0';