2 * Copyright (C) 2012, 2013
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));
30 opts.correction = true;
33 opts_set(opts.warn, WARN_UNUSED_VARIABLE, true);
34 opts_set(opts.warn, WARN_USED_UNINITIALIZED, true);
35 opts_set(opts.warn, WARN_UNKNOWN_CONTROL_SEQUENCE, true);
36 opts_set(opts.warn, WARN_EXTENSIONS, true);
37 opts_set(opts.warn, WARN_FIELD_REDECLARED, true);
38 opts_set(opts.warn, WARN_MISSING_RETURN_VALUES, true);
39 opts_set(opts.warn, WARN_INVALID_PARAMETER_COUNT, true);
40 opts_set(opts.warn, WARN_LOCAL_SHADOWS, false);
41 opts_set(opts.warn, WARN_LOCAL_CONSTANTS, true);
42 opts_set(opts.warn, WARN_VOID_VARIABLES, true);
43 opts_set(opts.warn, WARN_IMPLICIT_FUNCTION_POINTER, true);
44 opts_set(opts.warn, WARN_VARIADIC_FUNCTION, true);
45 opts_set(opts.warn, WARN_FRAME_MACROS, true);
46 opts_set(opts.warn, WARN_EFFECTLESS_STATEMENT, true);
47 opts_set(opts.warn, WARN_END_SYS_FIELDS, true);
48 opts_set(opts.warn, WARN_ASSIGN_FUNCTION_TYPES, true);
49 opts_set(opts.warn, WARN_CPP, true);
50 opts_set(opts.warn, WARN_MULTIFILE_IF, true);
51 opts_set(opts.warn, WARN_DOUBLE_DECLARATION, true);
52 opts_set(opts.warn, WARN_CONST_VAR, true);
53 opts_set(opts.warn, WARN_MULTIBYTE_CHARACTER, true);
54 opts_set(opts.warn, WARN_UNKNOWN_PRAGMAS, true);
55 opts_set(opts.warn, WARN_UNREACHABLE_CODE, 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);
59 opts_set(opts.warn, WARN_UNINITIALIZED_GLOBAL, false);
60 opts_set(opts.warn, WARN_DEPRECATED, true);
61 opts_set(opts.warn, WARN_PARENTHESIS, true);
63 opts_set(opts.flags, ADJUST_VECTOR_FIELDS, true);
64 opts_set(opts.flags, FTEPP, false);
65 opts_set(opts.flags, FTEPP_PREDEFS, false);
66 opts_set(opts.flags, CORRECT_TERNARY, true);
67 opts_set(opts.flags, BAIL_ON_WERROR, true);
68 opts_set(opts.flags, LEGACY_VECTOR_MATHS, true);
71 void opts_backup_non_Wall() {
73 for (i = 0; i <= WARN_DEBUG; ++i)
74 opts_set(opts.warn_backup, i, OPTS_WARN(i));
77 void opts_restore_non_Wall() {
79 for (i = 0; i <= WARN_DEBUG; ++i)
80 opts_set(opts.warn, i, OPTS_GENERIC(opts.warn_backup, i));
83 void opts_backup_non_Werror_all() {
85 for (i = 0; i <= WARN_DEBUG; ++i)
86 opts_set(opts.werror_backup, i, OPTS_WERROR(i));
89 void opts_restore_non_Werror_all() {
91 for (i = 0; i <= WARN_DEBUG; ++i)
92 opts_set(opts.werror, i, OPTS_GENERIC(opts.werror_backup, i));
95 void opts_init(const char *output, int standard, size_t arraysize) {
99 opts.standard = (opts_std_t)standard; /* C++ ... y u no like me? */
100 opts.max_array_size = arraysize;
103 static bool opts_setflag_all(const char *name, bool on, uint32_t *flags, const opts_flag_def *list, size_t listsize) {
106 for (i = 0; i < listsize; ++i) {
107 if (!strcmp(name, list[i].name)) {
108 longbit lb = list[i].bit;
111 flags[lb.idx] |= (1<<(lb.bit));
113 flags[lb.idx] &= ~(1<<(lb.bit));
118 flags[0] &= ~(1<<(lb));
125 bool opts_setflag (const char *name, bool on) {
126 return opts_setflag_all(name, on, opts.flags, opts_flag_list, COUNT_FLAGS);
128 bool opts_setwarn (const char *name, bool on) {
129 return opts_setflag_all(name, on, opts.warn, opts_warn_list, COUNT_WARNINGS);
131 bool opts_setwerror(const char *name, bool on) {
132 return opts_setflag_all(name, on, opts.werror, opts_warn_list, COUNT_WARNINGS);
134 bool opts_setoptim (const char *name, bool on) {
135 return opts_setflag_all(name, on, opts.optimization, opts_opt_list, COUNT_OPTIMIZATIONS);
138 void opts_set(uint32_t *flags, size_t idx, bool on) {
140 LONGBIT_SET(lb, idx);
143 flags[lb.idx] |= (1<<(lb.bit));
145 flags[lb.idx] &= ~(1<<(lb.bit));
148 flags[0] |= (1<<(lb));
150 flags[0] &= ~(1<<(lb));
154 void opts_setoptimlevel(unsigned int level) {
156 for (i = 0; i < COUNT_OPTIMIZATIONS; ++i)
157 opts_set(opts.optimization, i, level >= opts_opt_oflag[i]);
161 * Standard configuration parser and subsystem. Yes, optionally you may
162 * create ini files or cfg (the driver accepts both) for a project opposed
163 * to supplying just a progs.src (since you also may need to supply command
164 * line arguments or set the options of the compiler) [which cannot be done
167 static char *opts_ini_rstrip(char *s) {
168 char *p = s + strlen(s);
169 while(p > s && isspace(*--p))
174 static char *opts_ini_lskip(const char *s) {
175 while (*s && isspace(*s))
180 static char *opts_ini_next(const char *s, char c) {
182 while (*s && *s != c && !(last && *s == ';'))
183 last = !!isspace(*s), s++;
188 static size_t opts_ini_parse (
190 char *(*loadhandle)(const char *, const char *, const char *),
197 char section_data[2048] = "";
198 char oldname_data[2048] = "";
200 /* parsing and reading variables */
206 while (file_getline(&line, &linesize, filehandle) != EOF) {
211 (unsigned char)parse_beg[0] == 0xEF &&
212 (unsigned char)parse_beg[1] == 0xBB &&
213 (unsigned char)parse_beg[2] == 0xBF
216 parse_beg ++; /* 0xEF */
217 parse_beg ++; /* 0xBB */
218 parse_beg ++; /* 0xBF */
221 if (*(parse_beg = opts_ini_lskip(opts_ini_rstrip(parse_beg))) == ';' || *parse_beg == '#') {
222 /* ignore '#' is a perl extension */
223 } else if (*parse_beg == '[') {
225 if (*(parse_end = opts_ini_next(parse_beg + 1, ']')) == ']') {
226 * parse_end = '\0'; /* terminate bro */
227 strncpy(section_data, parse_beg + 1, sizeof(section_data));
228 section_data[sizeof(section_data) - 1] = '\0';
229 *oldname_data = '\0';
231 /* otherwise set error to the current line number */
234 } else if (*parse_beg && *parse_beg != ';') {
235 /* not a comment, must be a name value pair :) */
236 if (*(parse_end = opts_ini_next(parse_beg, '=')) != '=')
237 parse_end = opts_ini_next(parse_beg, ':');
239 if (*parse_end == '=' || *parse_end == ':') {
240 *parse_end = '\0'; /* terminate bro */
241 read_name = opts_ini_rstrip(parse_beg);
242 read_value = opts_ini_lskip(parse_end + 1);
243 if (*(parse_end = opts_ini_next(read_value, '\0')) == ';')
245 opts_ini_rstrip(read_value);
247 /* valid name value pair, lets call down to handler */
248 strncpy(oldname_data, read_name, sizeof(oldname_data));
249 oldname_data[sizeof(oldname_data) - 1] ='\0';
251 if ((*errorhandle = loadhandle(section_data, read_name, read_value)) && !error)
254 /* otherwise set error to the current line number */
265 * returns true/false for a char that contains ("true" or "false" or numeric 0/1)
267 static bool opts_ini_bool(const char *value) {
268 if (!strcmp(value, "true")) return true;
269 if (!strcmp(value, "false")) return false;
270 return !!atoi(value);
273 static char *opts_ini_load(const char *section, const char *name, const char *value) {
278 * undef all of these because they may still be defined like in my
281 #undef GMQCC_TYPE_FLAGS
282 #undef GMQCC_TYPE_OPTIMIZATIONS
283 #undef GMQCC_TYPE_WARNS
286 #define GMQCC_TYPE_FLAGS
287 #define GMQCC_DEFINE_FLAG(X) \
288 if (!strcmp(section, "flags") && !strcmp(name, #X)) { \
289 opts_set(opts.flags, X, opts_ini_bool(value)); \
295 #define GMQCC_TYPE_WARNS
296 #define GMQCC_DEFINE_FLAG(X) \
297 if (!strcmp(section, "warnings") && !strcmp(name, #X)) { \
298 opts_set(opts.warn, WARN_##X, opts_ini_bool(value)); \
303 /* Werror-individuals */
304 #define GMQCC_TYPE_WARNS
305 #define GMQCC_DEFINE_FLAG(X) \
306 if (!strcmp(section, "errors") && !strcmp(name, #X)) { \
307 opts_set(opts.werror, WARN_##X, opts_ini_bool(value)); \
313 #define GMQCC_TYPE_OPTIMIZATIONS
314 #define GMQCC_DEFINE_FLAG(X,Y) \
315 if (!strcmp(section, "optimizations") && !strcmp(name, #X)) { \
316 opts_set(opts.optimization, OPTIM_##X, opts_ini_bool(value)); \
321 /* nothing was found ever! */
323 if (strcmp(section, "flags") &&
324 strcmp(section, "warnings") &&
325 strcmp(section, "optimizations"))
327 vec_upload(error, "invalid section `", 17);
328 vec_upload(error, section, strlen(section));
329 vec_push (error, '`');
330 vec_push (error, '\0');
332 vec_upload(error, "invalid variable `", 18);
333 vec_upload(error, name, strlen(name));
334 vec_push (error, '`');
335 vec_upload(error, " in section: `", 14);
336 vec_upload(error, section, strlen(section));
337 vec_push (error, '`');
338 vec_push (error, '\0');
345 * Actual loading subsystem, this finds the ini or cfg file, and properly
346 * loads it and executes it to set compiler options.
348 void opts_ini_init(const char *file) {
350 * Possible matches are:
361 if (!(ini = file_open((file = "gmqcc.ini"), "r")))
363 if (!(ini = file_open((file = "gmqcc.cfg"), "r")))
365 } else if (!(ini = file_open(file, "r")))
368 con_out("found ini file `%s`\n", file);
370 if ((line = opts_ini_parse(ini, &opts_ini_load, &error)) != 0) {
371 /* there was a parse error with the ini file */
372 con_printmsg(LVL_ERROR, file, line, "error", error);