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_setdefault() {
29 memset(&opts, 0, sizeof(opts_cmd_t));
32 opts_set(opts.warn, WARN_UNUSED_VARIABLE, true);
33 opts_set(opts.warn, WARN_USED_UNINITIALIZED, true);
34 opts_set(opts.warn, WARN_UNKNOWN_CONTROL_SEQUENCE, true);
35 opts_set(opts.warn, WARN_EXTENSIONS, true);
36 opts_set(opts.warn, WARN_FIELD_REDECLARED, true);
37 opts_set(opts.warn, WARN_MISSING_RETURN_VALUES, true);
38 opts_set(opts.warn, WARN_TOO_FEW_PARAMETERS, true);
39 opts_set(opts.warn, WARN_LOCAL_SHADOWS, false);
40 opts_set(opts.warn, WARN_LOCAL_CONSTANTS, true);
41 opts_set(opts.warn, WARN_VOID_VARIABLES, true);
42 opts_set(opts.warn, WARN_IMPLICIT_FUNCTION_POINTER, true);
43 opts_set(opts.warn, WARN_VARIADIC_FUNCTION, true);
44 opts_set(opts.warn, WARN_FRAME_MACROS, 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);
54 opts_set(opts.warn, WARN_UNREACHABLE_CODE, true);
56 opts_set(opts.flags, ADJUST_VECTOR_FIELDS, true);
57 opts_set(opts.flags, FTEPP, false);
58 opts_set(opts.flags, CORRECT_TERNARY, true);
61 void opts_init(const char *output, int standard, size_t arraysize) {
65 opts.standard = standard;
66 opts.max_array_size = arraysize;
69 static bool opts_setflag_all(const char *name, bool on, uint32_t *flags, const opts_flag_def *list, size_t listsize) {
72 for (i = 0; i < listsize; ++i) {
73 if (!strcmp(name, list[i].name)) {
74 longbit lb = list[i].bit;
77 flags[lb.idx] |= (1<<(lb.bit));
79 flags[lb.idx] &= ~(1<<(lb.bit));
84 flags[0] &= ~(1<<(lb));
91 bool opts_setflag (const char *name, bool on) {
92 return opts_setflag_all(name, on, opts.flags, opts_flag_list, COUNT_FLAGS);
94 bool opts_setwarn (const char *name, bool on) {
95 return opts_setflag_all(name, on, opts.warn, opts_warn_list, COUNT_WARNINGS);
97 bool opts_setoptim(const char *name, bool on) {
98 return opts_setflag_all(name, on, opts.optimization, opts_opt_list, COUNT_OPTIMIZATIONS);
101 void opts_set(uint32_t *flags, size_t idx, bool on) {
102 longbit lb = LONGBIT(idx);
105 flags[lb.idx] |= (1<<(lb.bit));
107 flags[lb.idx] &= ~(1<<(lb.bit));
110 flags[0] |= (1<<(lb));
112 flags[0] &= ~(1<<(lb));
116 void opts_setoptimlevel(unsigned int level) {
118 for (i = 0; i < COUNT_OPTIMIZATIONS; ++i)
119 opts_set(opts.optimization, i, level >= opts_opt_oflag[i]);
123 * Standard configuration parser and subsystem. Yes, optionally you may
124 * create ini files or cfg (the driver accepts both) for a project opposed
125 * to supplying just a progs.src (since you also may need to supply command
126 * line arguments or set the options of the compiler) [which cannot be done
129 static char *opts_ini_rstrip(char *s) {
130 char *p = s + strlen(s);
131 while(p > s && isspace(*--p))
136 static char *opts_ini_lskip(const char *s) {
137 while (*s && isspace(*s))
142 static char *opts_ini_next(const char *s, char c) {
144 while (*s && *s != c && !(last && *s == ';'))
145 last = !!isspace(*s), s++;
150 static size_t opts_ini_parse (
152 char *(*loadhandle)(const char *, const char *, const char *),
159 char section_data[2048] = "";
160 char oldname_data[2048] = "";
162 /* parsing and reading variables */
168 while (util_getline(&line, &linesize, filehandle) != EOF) {
173 (unsigned char)parse_beg[0] == 0xEF &&
174 (unsigned char)parse_beg[1] == 0xBB &&
175 (unsigned char)parse_beg[2] == 0xBF
178 parse_beg ++; /* 0xEF */
179 parse_beg ++; /* 0xBB */
180 parse_beg ++; /* 0xBF */
183 if (*(parse_beg = opts_ini_lskip(opts_ini_rstrip(parse_beg))) == ';' || *parse_beg == '#') {
184 /* ignore '#' is a perl extension */
185 } else if (*parse_beg == '[') {
187 if (*(parse_end = opts_ini_next(parse_beg + 1, ']')) == ']') {
188 * parse_end = '\0'; /* terminate bro */
189 strncpy(section_data, parse_beg + 1, sizeof(section_data));
190 section_data[sizeof(section_data) - 1] = '\0';
191 *oldname_data = '\0';
193 /* otherwise set error to the current line number */
196 } else if (*parse_beg && *parse_beg != ';') {
197 /* not a comment, must be a name value pair :) */
198 if (*(parse_end = opts_ini_next(parse_beg, '=')) != '=')
199 parse_end = opts_ini_next(parse_beg, ':');
201 if (*parse_end == '=' || *parse_end == ':') {
202 *parse_end = '\0'; /* terminate bro */
203 read_name = opts_ini_rstrip(parse_beg);
204 read_value = opts_ini_lskip(parse_end + 1);
205 if (*(parse_end = opts_ini_next(read_value, '\0')) == ';')
207 opts_ini_rstrip(read_value);
209 /* valid name value pair, lets call down to handler */
210 strncpy(oldname_data, read_name, sizeof(oldname_data));
211 oldname_data[sizeof(oldname_data) - 1] ='\0';
213 if ((*errorhandle = loadhandle(section_data, read_name, read_value)) && !error)
216 /* otherwise set error to the current line number */
227 * returns true/false for a char that contains ("true" or "false" or numeric 0/1)
229 static bool opts_ini_bool(const char *value) {
230 if (!strcmp(value, "true")) return true;
231 if (!strcmp(value, "false")) return false;
232 return !!atoi(value);
235 static char *opts_ini_load(const char *section, const char *name, const char *value) {
240 * undef all of these because they may still be defined like in my
243 #undef GMQCC_TYPE_FLAGS
244 #undef GMQCC_TYPE_OPTIMIZATIONS
245 #undef GMQCC_TYPE_WARNS
248 #define GMQCC_TYPE_FLAGS
249 #define GMQCC_DEFINE_FLAG(X) \
250 if (!strcmp(section, "flags") && !strcmp(name, #X)) { \
251 opts_set(opts.flags, X, opts_ini_bool(value)); \
257 #define GMQCC_TYPE_WARNS
258 #define GMQCC_DEFINE_FLAG(X) \
259 if (!strcmp(section, "warnings") && !strcmp(name, #X)) { \
260 opts_set(opts.warn, WARN_##X, opts_ini_bool(value)); \
266 #define GMQCC_TYPE_OPTIMIZATIONS
267 #define GMQCC_DEFINE_FLAG(X,Y) \
268 if (!strcmp(section, "optimizations") && !strcmp(name, #X)) { \
269 opts_set(opts.optimization, OPTIM_##X, opts_ini_bool(value)); \
274 /* nothing was found ever! */
276 if (strcmp(section, "flags") &&
277 strcmp(section, "warnings") &&
278 strcmp(section, "optimizations"))
280 vec_upload(error, "invalid section `", 17);
281 vec_upload(error, section, strlen(section));
282 vec_push (error, '`');
283 vec_push (error, '\0');
285 vec_upload(error, "invalid variable `", 18);
286 vec_upload(error, name, strlen(name));
287 vec_push (error, '`');
288 vec_upload(error, " in section: `", 14);
289 vec_upload(error, section, strlen(section));
290 vec_push (error, '`');
291 vec_push (error, '\0');
298 * Actual loading subsystem, this finds the ini or cfg file, and properly
299 * loads it and executes it to set compiler options.
301 void opts_ini_init(const char *file) {
303 * Possible matches are:
314 if (!(ini = fopen((file = "gmqcc.ini"), "r")))
316 if (!(ini = fopen((file = "gmqcc.cfg"), "r")))
318 } else if (!(ini = fopen(file, "r")))
321 con_out("found ini file `%s`\n", file);
323 if ((line = opts_ini_parse(ini, &opts_ini_load, &error)) != 0) {
324 /* there was a parse error with the ini file */
325 con_printmsg(LVL_ERROR, file, line, "error", error);