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);
55 opts_set(opts.warn, WARN_CPP, true);
56 opts_set(opts.warn, WARN_UNKNOWN_ATTRIBUTE, true);
58 opts_set(opts.flags, ADJUST_VECTOR_FIELDS, true);
59 opts_set(opts.flags, FTEPP, false);
60 opts_set(opts.flags, FTEPP_PREDEFS, false);
61 opts_set(opts.flags, CORRECT_TERNARY, true);
64 void opts_init(const char *output, int standard, size_t arraysize) {
68 opts.standard = (opts_std_t)standard; /* C++ ... y u no like me? */
69 opts.max_array_size = arraysize;
72 static bool opts_setflag_all(const char *name, bool on, uint32_t *flags, const opts_flag_def *list, size_t listsize) {
75 for (i = 0; i < listsize; ++i) {
76 if (!strcmp(name, list[i].name)) {
77 longbit lb = list[i].bit;
80 flags[lb.idx] |= (1<<(lb.bit));
82 flags[lb.idx] &= ~(1<<(lb.bit));
87 flags[0] &= ~(1<<(lb));
94 bool opts_setflag (const char *name, bool on) {
95 return opts_setflag_all(name, on, opts.flags, opts_flag_list, COUNT_FLAGS);
97 bool opts_setwarn (const char *name, bool on) {
98 return opts_setflag_all(name, on, opts.warn, opts_warn_list, COUNT_WARNINGS);
100 bool opts_setwerror(const char *name, bool on) {
101 return opts_setflag_all(name, on, opts.werror, opts_warn_list, COUNT_WARNINGS);
103 bool opts_setoptim (const char *name, bool on) {
104 return opts_setflag_all(name, on, opts.optimization, opts_opt_list, COUNT_OPTIMIZATIONS);
107 void opts_set(uint32_t *flags, size_t idx, bool on) {
108 longbit lb = LONGBIT(idx);
111 flags[lb.idx] |= (1<<(lb.bit));
113 flags[lb.idx] &= ~(1<<(lb.bit));
116 flags[0] |= (1<<(lb));
118 flags[0] &= ~(1<<(lb));
122 void opts_setoptimlevel(unsigned int level) {
124 for (i = 0; i < COUNT_OPTIMIZATIONS; ++i)
125 opts_set(opts.optimization, i, level >= opts_opt_oflag[i]);
129 * Standard configuration parser and subsystem. Yes, optionally you may
130 * create ini files or cfg (the driver accepts both) for a project opposed
131 * to supplying just a progs.src (since you also may need to supply command
132 * line arguments or set the options of the compiler) [which cannot be done
135 static char *opts_ini_rstrip(char *s) {
136 char *p = s + strlen(s);
137 while(p > s && isspace(*--p))
142 static char *opts_ini_lskip(const char *s) {
143 while (*s && isspace(*s))
148 static char *opts_ini_next(const char *s, char c) {
150 while (*s && *s != c && !(last && *s == ';'))
151 last = !!isspace(*s), s++;
156 static size_t opts_ini_parse (
158 char *(*loadhandle)(const char *, const char *, const char *),
165 char section_data[2048] = "";
166 char oldname_data[2048] = "";
168 /* parsing and reading variables */
174 while (file_getline(&line, &linesize, filehandle) != EOF) {
179 (unsigned char)parse_beg[0] == 0xEF &&
180 (unsigned char)parse_beg[1] == 0xBB &&
181 (unsigned char)parse_beg[2] == 0xBF
184 parse_beg ++; /* 0xEF */
185 parse_beg ++; /* 0xBB */
186 parse_beg ++; /* 0xBF */
189 if (*(parse_beg = opts_ini_lskip(opts_ini_rstrip(parse_beg))) == ';' || *parse_beg == '#') {
190 /* ignore '#' is a perl extension */
191 } else if (*parse_beg == '[') {
193 if (*(parse_end = opts_ini_next(parse_beg + 1, ']')) == ']') {
194 * parse_end = '\0'; /* terminate bro */
195 strncpy(section_data, parse_beg + 1, sizeof(section_data));
196 section_data[sizeof(section_data) - 1] = '\0';
197 *oldname_data = '\0';
199 /* otherwise set error to the current line number */
202 } else if (*parse_beg && *parse_beg != ';') {
203 /* not a comment, must be a name value pair :) */
204 if (*(parse_end = opts_ini_next(parse_beg, '=')) != '=')
205 parse_end = opts_ini_next(parse_beg, ':');
207 if (*parse_end == '=' || *parse_end == ':') {
208 *parse_end = '\0'; /* terminate bro */
209 read_name = opts_ini_rstrip(parse_beg);
210 read_value = opts_ini_lskip(parse_end + 1);
211 if (*(parse_end = opts_ini_next(read_value, '\0')) == ';')
213 opts_ini_rstrip(read_value);
215 /* valid name value pair, lets call down to handler */
216 strncpy(oldname_data, read_name, sizeof(oldname_data));
217 oldname_data[sizeof(oldname_data) - 1] ='\0';
219 if ((*errorhandle = loadhandle(section_data, read_name, read_value)) && !error)
222 /* otherwise set error to the current line number */
233 * returns true/false for a char that contains ("true" or "false" or numeric 0/1)
235 static bool opts_ini_bool(const char *value) {
236 if (!strcmp(value, "true")) return true;
237 if (!strcmp(value, "false")) return false;
238 return !!atoi(value);
241 static char *opts_ini_load(const char *section, const char *name, const char *value) {
246 * undef all of these because they may still be defined like in my
249 #undef GMQCC_TYPE_FLAGS
250 #undef GMQCC_TYPE_OPTIMIZATIONS
251 #undef GMQCC_TYPE_WARNS
254 #define GMQCC_TYPE_FLAGS
255 #define GMQCC_DEFINE_FLAG(X) \
256 if (!strcmp(section, "flags") && !strcmp(name, #X)) { \
257 opts_set(opts.flags, X, opts_ini_bool(value)); \
263 #define GMQCC_TYPE_WARNS
264 #define GMQCC_DEFINE_FLAG(X) \
265 if (!strcmp(section, "warnings") && !strcmp(name, #X)) { \
266 opts_set(opts.warn, WARN_##X, opts_ini_bool(value)); \
272 #define GMQCC_TYPE_OPTIMIZATIONS
273 #define GMQCC_DEFINE_FLAG(X,Y) \
274 if (!strcmp(section, "optimizations") && !strcmp(name, #X)) { \
275 opts_set(opts.optimization, OPTIM_##X, opts_ini_bool(value)); \
280 /* nothing was found ever! */
282 if (strcmp(section, "flags") &&
283 strcmp(section, "warnings") &&
284 strcmp(section, "optimizations"))
286 vec_upload(error, "invalid section `", 17);
287 vec_upload(error, section, strlen(section));
288 vec_push (error, '`');
289 vec_push (error, '\0');
291 vec_upload(error, "invalid variable `", 18);
292 vec_upload(error, name, strlen(name));
293 vec_push (error, '`');
294 vec_upload(error, " in section: `", 14);
295 vec_upload(error, section, strlen(section));
296 vec_push (error, '`');
297 vec_push (error, '\0');
304 * Actual loading subsystem, this finds the ini or cfg file, and properly
305 * loads it and executes it to set compiler options.
307 void opts_ini_init(const char *file) {
309 * Possible matches are:
320 if (!(ini = file_open((file = "gmqcc.ini"), "r")))
322 if (!(ini = file_open((file = "gmqcc.cfg"), "r")))
324 } else if (!(ini = file_open(file, "r")))
327 con_out("found ini file `%s`\n", file);
329 if ((line = opts_ini_parse(ini, &opts_ini_load, &error)) != 0) {
330 /* there was a parse error with the ini file */
331 con_printmsg(LVL_ERROR, file, line, "error", error);