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);
57 opts_set(opts.warn, WARN_RESERVED_NAMES, true);
58 opts_set(opts.warn, WARN_UNINITIALIZED_CONSTANT, true);
60 opts_set(opts.flags, ADJUST_VECTOR_FIELDS, true);
61 opts_set(opts.flags, FTEPP, false);
62 opts_set(opts.flags, FTEPP_PREDEFS, false);
63 opts_set(opts.flags, CORRECT_TERNARY, true);
64 opts_set(opts.flags, BAIL_ON_WERROR, true);
67 void opts_init(const char *output, int standard, size_t arraysize) {
71 opts.standard = (opts_std_t)standard; /* C++ ... y u no like me? */
72 opts.max_array_size = arraysize;
75 static bool opts_setflag_all(const char *name, bool on, uint32_t *flags, const opts_flag_def *list, size_t listsize) {
78 for (i = 0; i < listsize; ++i) {
79 if (!strcmp(name, list[i].name)) {
80 longbit lb = list[i].bit;
83 flags[lb.idx] |= (1<<(lb.bit));
85 flags[lb.idx] &= ~(1<<(lb.bit));
90 flags[0] &= ~(1<<(lb));
97 bool opts_setflag (const char *name, bool on) {
98 return opts_setflag_all(name, on, opts.flags, opts_flag_list, COUNT_FLAGS);
100 bool opts_setwarn (const char *name, bool on) {
101 return opts_setflag_all(name, on, opts.warn, opts_warn_list, COUNT_WARNINGS);
103 bool opts_setwerror(const char *name, bool on) {
104 return opts_setflag_all(name, on, opts.werror, opts_warn_list, COUNT_WARNINGS);
106 bool opts_setoptim (const char *name, bool on) {
107 return opts_setflag_all(name, on, opts.optimization, opts_opt_list, COUNT_OPTIMIZATIONS);
110 void opts_set(uint32_t *flags, size_t idx, bool on) {
112 LONGBIT_SET(lb, idx);
115 flags[lb.idx] |= (1<<(lb.bit));
117 flags[lb.idx] &= ~(1<<(lb.bit));
120 flags[0] |= (1<<(lb));
122 flags[0] &= ~(1<<(lb));
126 void opts_setoptimlevel(unsigned int level) {
128 for (i = 0; i < COUNT_OPTIMIZATIONS; ++i)
129 opts_set(opts.optimization, i, level >= opts_opt_oflag[i]);
133 * Standard configuration parser and subsystem. Yes, optionally you may
134 * create ini files or cfg (the driver accepts both) for a project opposed
135 * to supplying just a progs.src (since you also may need to supply command
136 * line arguments or set the options of the compiler) [which cannot be done
139 static char *opts_ini_rstrip(char *s) {
140 char *p = s + strlen(s);
141 while(p > s && isspace(*--p))
146 static char *opts_ini_lskip(const char *s) {
147 while (*s && isspace(*s))
152 static char *opts_ini_next(const char *s, char c) {
154 while (*s && *s != c && !(last && *s == ';'))
155 last = !!isspace(*s), s++;
160 static size_t opts_ini_parse (
162 char *(*loadhandle)(const char *, const char *, const char *),
169 char section_data[2048] = "";
170 char oldname_data[2048] = "";
172 /* parsing and reading variables */
178 while (file_getline(&line, &linesize, filehandle) != EOF) {
183 (unsigned char)parse_beg[0] == 0xEF &&
184 (unsigned char)parse_beg[1] == 0xBB &&
185 (unsigned char)parse_beg[2] == 0xBF
188 parse_beg ++; /* 0xEF */
189 parse_beg ++; /* 0xBB */
190 parse_beg ++; /* 0xBF */
193 if (*(parse_beg = opts_ini_lskip(opts_ini_rstrip(parse_beg))) == ';' || *parse_beg == '#') {
194 /* ignore '#' is a perl extension */
195 } else if (*parse_beg == '[') {
197 if (*(parse_end = opts_ini_next(parse_beg + 1, ']')) == ']') {
198 * parse_end = '\0'; /* terminate bro */
199 strncpy(section_data, parse_beg + 1, sizeof(section_data));
200 section_data[sizeof(section_data) - 1] = '\0';
201 *oldname_data = '\0';
203 /* otherwise set error to the current line number */
206 } else if (*parse_beg && *parse_beg != ';') {
207 /* not a comment, must be a name value pair :) */
208 if (*(parse_end = opts_ini_next(parse_beg, '=')) != '=')
209 parse_end = opts_ini_next(parse_beg, ':');
211 if (*parse_end == '=' || *parse_end == ':') {
212 *parse_end = '\0'; /* terminate bro */
213 read_name = opts_ini_rstrip(parse_beg);
214 read_value = opts_ini_lskip(parse_end + 1);
215 if (*(parse_end = opts_ini_next(read_value, '\0')) == ';')
217 opts_ini_rstrip(read_value);
219 /* valid name value pair, lets call down to handler */
220 strncpy(oldname_data, read_name, sizeof(oldname_data));
221 oldname_data[sizeof(oldname_data) - 1] ='\0';
223 if ((*errorhandle = loadhandle(section_data, read_name, read_value)) && !error)
226 /* otherwise set error to the current line number */
237 * returns true/false for a char that contains ("true" or "false" or numeric 0/1)
239 static bool opts_ini_bool(const char *value) {
240 if (!strcmp(value, "true")) return true;
241 if (!strcmp(value, "false")) return false;
242 return !!atoi(value);
245 static char *opts_ini_load(const char *section, const char *name, const char *value) {
250 * undef all of these because they may still be defined like in my
253 #undef GMQCC_TYPE_FLAGS
254 #undef GMQCC_TYPE_OPTIMIZATIONS
255 #undef GMQCC_TYPE_WARNS
258 #define GMQCC_TYPE_FLAGS
259 #define GMQCC_DEFINE_FLAG(X) \
260 if (!strcmp(section, "flags") && !strcmp(name, #X)) { \
261 opts_set(opts.flags, X, opts_ini_bool(value)); \
267 #define GMQCC_TYPE_WARNS
268 #define GMQCC_DEFINE_FLAG(X) \
269 if (!strcmp(section, "warnings") && !strcmp(name, #X)) { \
270 opts_set(opts.warn, WARN_##X, opts_ini_bool(value)); \
276 #define GMQCC_TYPE_OPTIMIZATIONS
277 #define GMQCC_DEFINE_FLAG(X,Y) \
278 if (!strcmp(section, "optimizations") && !strcmp(name, #X)) { \
279 opts_set(opts.optimization, OPTIM_##X, opts_ini_bool(value)); \
284 /* nothing was found ever! */
286 if (strcmp(section, "flags") &&
287 strcmp(section, "warnings") &&
288 strcmp(section, "optimizations"))
290 vec_upload(error, "invalid section `", 17);
291 vec_upload(error, section, strlen(section));
292 vec_push (error, '`');
293 vec_push (error, '\0');
295 vec_upload(error, "invalid variable `", 18);
296 vec_upload(error, name, strlen(name));
297 vec_push (error, '`');
298 vec_upload(error, " in section: `", 14);
299 vec_upload(error, section, strlen(section));
300 vec_push (error, '`');
301 vec_push (error, '\0');
308 * Actual loading subsystem, this finds the ini or cfg file, and properly
309 * loads it and executes it to set compiler options.
311 void opts_ini_init(const char *file) {
313 * Possible matches are:
324 if (!(ini = file_open((file = "gmqcc.ini"), "r")))
326 if (!(ini = file_open((file = "gmqcc.cfg"), "r")))
328 } else if (!(ini = file_open(file, "r")))
331 con_out("found ini file `%s`\n", file);
333 if ((line = opts_ini_parse(ini, &opts_ini_load, &error)) != 0) {
334 /* there was a parse error with the ini file */
335 con_printmsg(LVL_ERROR, file, line, "error", error);