6 * Permission is hereby granted, free of charge, to any person obtaining a copy of
7 * this software and associated documentation files (the "Software"), to deal in
8 * the Software without restriction, including without limitation the rights to
9 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
10 * of the Software, and to permit persons to whom the Software is furnished to do
11 * so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
26 opts_cmd_t opts; /* command lien options */
28 static void opts_ini_init();
29 static void opts_setdefault() {
30 memset(&opts, 0, sizeof(opts_cmd_t));
33 opts_set(opts.warn, WARN_UNKNOWN_CONTROL_SEQUENCE, true);
34 opts_set(opts.warn, WARN_EXTENSIONS, true);
35 opts_set(opts.warn, WARN_FIELD_REDECLARED, true);
36 opts_set(opts.warn, WARN_TOO_FEW_PARAMETERS, true);
37 opts_set(opts.warn, WARN_MISSING_RETURN_VALUES, true);
38 opts_set(opts.warn, WARN_USED_UNINITIALIZED, true);
39 opts_set(opts.warn, WARN_LOCAL_CONSTANTS, true);
40 opts_set(opts.warn, WARN_VOID_VARIABLES, true);
41 opts_set(opts.warn, WARN_IMPLICIT_FUNCTION_POINTER, true);
42 opts_set(opts.warn, WARN_VARIADIC_FUNCTION, true);
43 opts_set(opts.warn, WARN_FRAME_MACROS, true);
44 opts_set(opts.warn, WARN_UNUSED_VARIABLE, true);
45 opts_set(opts.warn, WARN_EFFECTLESS_STATEMENT, true);
46 opts_set(opts.warn, WARN_END_SYS_FIELDS, true);
47 opts_set(opts.warn, WARN_ASSIGN_FUNCTION_TYPES, true);
48 opts_set(opts.warn, WARN_PREPROCESSOR, true);
49 opts_set(opts.warn, WARN_MULTIFILE_IF, true);
50 opts_set(opts.warn, WARN_DOUBLE_DECLARATION, true);
51 opts_set(opts.warn, WARN_CONST_VAR, true);
52 opts_set(opts.warn, WARN_MULTIBYTE_CHARACTER, true);
53 opts_set(opts.warn, WARN_UNKNOWN_PRAGMAS, true);
55 opts_set(opts.flags, ADJUST_VECTOR_FIELDS, true);
56 opts_set(opts.flags, FTEPP, false);
57 opts_set(opts.flags, CORRECT_TERNARY, true);
60 void opts_init(const char *output, int standard, size_t arraysize) {
64 opts.standard = standard;
65 opts.max_array_size = arraysize;
70 static bool opts_setflag_all(const char *name, bool on, uint32_t *flags, const opts_flag_def *list, size_t listsize) {
73 for (i = 0; i < listsize; ++i) {
74 if (!strcmp(name, list[i].name)) {
75 longbit lb = list[i].bit;
78 flags[lb.idx] |= (1<<(lb.bit));
80 flags[lb.idx] &= ~(1<<(lb.bit));
85 flags[0] &= ~(1<<(lb));
92 bool opts_setflag (const char *name, bool on) {
93 return opts_setflag_all(name, on, opts.flags, opts_flag_list, COUNT_FLAGS);
95 bool opts_setwarn (const char *name, bool on) {
96 return opts_setflag_all(name, on, opts.warn, opts_warn_list, COUNT_WARNINGS);
98 bool opts_setoptim(const char *name, bool on) {
99 return opts_setflag_all(name, on, opts.optimization, opts_opt_list, COUNT_OPTIMIZATIONS);
102 void opts_set(uint32_t *flags, size_t idx, bool on) {
103 longbit lb = LONGBIT(idx);
106 flags[lb.idx] |= (1<<(lb.bit));
108 flags[lb.idx] &= ~(1<<(lb.bit));
111 flags[0] |= (1<<(lb));
113 flags[0] &= ~(1<<(lb));
117 void opts_setoptimlevel(unsigned int level) {
119 for (i = 0; i < COUNT_OPTIMIZATIONS; ++i)
120 opts_set(opts.optimization, i, level >= opts_opt_oflag[i]);
124 * Standard configuration parser and subsystem. Yes, optionally you may
125 * create ini files or cfg (the driver accepts both) for a project opposed
126 * to supplying just a progs.src (since you also may need to supply command
127 * line arguments or set the options of the compiler) [which cannot be done
130 static char *opts_ini_rstrip(char *s) {
131 char *p = s + strlen(s);
132 while(p > s && isspace(*--p))
137 static char *opts_ini_lskip(const char *s) {
138 while (*s && isspace(*s))
143 static char *opts_ini_next(const char *s, char c) {
145 while (*s && *s != c && !(last && *s == ';'))
146 last = !!isspace(*s), s++;
151 static size_t opts_ini_parse (
153 char *(*loadhandle)(const char *, const char *, const char *),
160 char section_data[2048] = "";
161 char oldname_data[2048] = "";
163 /* parsing and reading variables */
169 while (util_getline(&line, &linesize, filehandle) != EOF) {
174 (unsigned char)parse_beg[0] == 0xEF &&
175 (unsigned char)parse_beg[1] == 0xBB &&
176 (unsigned char)parse_beg[2] == 0xBF
179 parse_beg ++; /* 0xEF */
180 parse_beg ++; /* 0xBB */
181 parse_beg ++; /* 0xBF */
184 if (*(parse_beg = opts_ini_lskip(opts_ini_rstrip(parse_beg))) == ';' || *parse_beg == '#') {
185 /* ignore '#' is a perl extension */
186 } else if (*parse_beg == '[') {
188 if (*(parse_end = opts_ini_next(parse_beg + 1, ']')) == ']') {
189 * parse_end = '\0'; /* terminate bro */
190 strncpy(section_data, parse_beg + 1, sizeof(section_data));
191 section_data[sizeof(section_data) - 1] = '\0';
192 *oldname_data = '\0';
194 /* otherwise set error to the current line number */
197 } else if (*parse_beg && *parse_beg != ';') {
198 /* not a comment, must be a name value pair :) */
199 if (*(parse_end = opts_ini_next(parse_beg, '=')) != '=')
200 parse_end = opts_ini_next(parse_beg, ':');
202 if (*parse_end == '=' || *parse_end == ':') {
203 *parse_end = '\0'; /* terminate bro */
204 read_name = opts_ini_rstrip(parse_beg);
205 read_value = opts_ini_lskip(parse_end + 1);
206 if (*(parse_end = opts_ini_next(read_value, '\0')) == ';')
208 opts_ini_rstrip(read_value);
210 /* valid name value pair, lets call down to handler */
211 strncpy(oldname_data, read_name, sizeof(oldname_data));
212 oldname_data[sizeof(oldname_data) - 1] ='\0';
214 if ((*errorhandle = loadhandle(section_data, read_name, read_value)) && !error)
217 /* otherwise set error to the current line number */
228 * returns true/false for a char that contains ("true" or "false" or numeric 0/1)
230 static bool opts_ini_bool(const char *value) {
231 if (!strcmp(value, "true")) return true;
232 if (!strcmp(value, "false")) return false;
233 return !!atoi(value);
236 static char *opts_ini_load(const char *section, const char *name, const char *value) {
241 * undef all of these because they may still be defined like in my
244 #undef GMQCC_TYPE_FLAGS
245 #undef GMQCC_TYPE_OPTIMIZATIONS
246 #undef GMQCC_TYPE_WARNS
249 #define GMQCC_TYPE_FLAGS
250 #define GMQCC_DEFINE_FLAG(X) \
251 if (!strcmp(section, "flags") && !strcmp(name, #X)) { \
252 opts_set(opts.flags, X, opts_ini_bool(value)); \
258 #define GMQCC_TYPE_WARNS
259 #define GMQCC_DEFINE_FLAG(X) \
260 if (!strcmp(section, "warnings") && !strcmp(name, #X)) { \
261 opts_set(opts.warn, WARN_##X, opts_ini_bool(value)); \
267 #define GMQCC_TYPE_OPTIMIZATIONS
268 #define GMQCC_DEFINE_FLAG(X,Y) \
269 if (!strcmp(section, "optimizations") && !strcmp(name, #X)) { \
270 opts_set(opts.optimization, OPTIM_##X, opts_ini_bool(value)); \
275 /* nothing was found ever! */
277 if (strcmp(section, "flags") &&
278 strcmp(section, "warnings") &&
279 strcmp(section, "optimizations"))
281 vec_upload(error, "invalid section `", 17);
282 vec_upload(error, section, strlen(section));
283 vec_push (error, '`');
284 vec_push (error, '\0');
286 vec_upload(error, "invalid variable `", 18);
287 vec_upload(error, name, strlen(name));
288 vec_push (error, '`');
289 vec_upload(error, " in section: `", 14);
290 vec_upload(error, section, strlen(section));
291 vec_push (error, '`');
292 vec_push (error, '\0');
299 * Actual loading subsystem, this finds the ini or cfg file, and properly
300 * loads it and executes it to set compiler options.
302 static void opts_ini_init() {
304 * Possible matches are:
315 if (!(ini = fopen((file = "gmqcc.ini"), "r")))
317 if (!(ini = fopen((file = "gmqcc.cfg"), "r")))
320 con_out("found ini file `%s`\n", file);
322 if ((line = opts_ini_parse(ini, &opts_ini_load, &error)) != 0) {
323 /* there was a parse error with the ini file */
324 con_printmsg(LVL_ERROR, file, line, "error", error);