3 * Dale Weiler, Wolfgang Bumiller
5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
6 * this software and associated documentation files (the "Software"), to deal in
7 * the Software without restriction, including without limitation the rights to
8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is furnished to do
10 * so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 #define GMQCC_VERSION_MAJOR 0
32 #define GMQCC_VERSION_MINOR 1
33 #define GMQCC_VERSION_PATCH 0
34 #define GMQCC_VERSION_BUILD(J,N,P) (((J)<<16)|((N)<<8)|(P))
35 #define GMQCC_VERSION \
36 GMQCC_VERSION_BUILD(GMQCC_VERSION_MAJOR, GMQCC_VERSION_MINOR, GMQCC_VERSION_PATCH)
39 * We cannoy rely on C99 at all, since compilers like MSVC
40 * simply don't support it. We define our own boolean type
41 * as a result (since we cannot include <stdbool.h>). For
42 * compilers that are in 1999 mode (C99 compliant) we can use
43 * the language keyword _Bool which can allow for better code
44 * on GCC and GCC-like compilers, opposed to `int`.
55 # ifdef __STDC_VERSION__
56 # if __STDC_VERSION__ < 199901L && __GNUC__ < 3
63 # endif /* !__STDC_VERSION__ */
64 #endif /* !__cplusplus */
67 * Of some functions which are generated we want to make sure
68 * that the result isn't ignored. To find such function calls,
71 #if defined(__GNUC__) || defined(__CLANG__)
72 # define GMQCC_WARN __attribute__((warn_unused_result))
77 * This is a hack to silent clang regarding empty
80 #define GMQCC_SUPPRESS_EMPTY_BODY do { } while (0)
83 * Inline is not supported in < C90, however some compilers
84 * like gcc and clang might have an inline attribute we can
87 #ifdef __STDC_VERSION__
88 # if __STDC_VERSION__ < 199901L
89 # if defined(__GNUC__) || defined (__CLANG__)
93 # define GMQCC_INLINE __attribute__ ((always_inline))
99 # define GMQCC_INLINE inline
102 # define GMQCC_INLINE
103 #endif /* !__STDC_VERSION__ */
106 * noreturn is present in GCC and clang
107 * it's required for _ast_node_destory otherwise -Wmissing-noreturn
108 * in clang complains about there being no return since abort() is
111 #if (defined(__GNUC__) && __GNUC__ >= 2) || defined(__CLANG__)
112 # define GMQCC_NORETURN __attribute__ ((noreturn))
114 # define GMQCC_NORETURN
118 * stdint.h and inttypes.h -less subset
119 * for systems that don't have it, which we must
120 * assume is all systems. (int8_t not required)
123 typedef unsigned char uint8_t; /* same as below */
124 #elif SCHAR_MIN == -128
125 typedef unsigned char uint8_t; /* same as above */
127 #if SHRT_MAX == 0x7FFF
128 typedef short int16_t;
129 typedef unsigned short uint16_t;
130 #elif INT_MAX == 0x7FFF
132 typedef unsigned int uint16_t;
134 #if INT_MAX == 0x7FFFFFFF
136 typedef unsigned int uint32_t;
137 typedef long int64_t;
138 typedef unsigned long uint64_t;
139 #elif LONG_MAX == 0x7FFFFFFF
140 typedef long int32_t;
141 typedef unsigned long uint32_t;
144 * It's nearly impossible to figure out a 64bit type at
145 * this point without making assumptions about the build
146 * enviroment. So if clang or gcc is detected use some
147 * compiler builtins to create a 64 signed and unsigned
150 # if defined(__GNUC__) || defined (__CLANG__)
151 typedef int int64_t __attribute__((__mode__(__DI__)));
152 typedef unsigned int uint64_t __attribute__((__mode__(__DI__)));
155 * Incoorectly size the types so static assertions below will
156 * fail. There is no valid way to get a 64bit type at this point
157 * without making assumptions of too many things.
159 typedef struct { char _fail : 0; } int64_t;
160 typedef struct { char _fail : 0; } uint64_t;
163 #ifdef _LP64 /* long pointer == 64 */
164 typedef unsigned long uintptr_t;
165 typedef long intptr_t;
167 typedef unsigned int uintptr_t;
168 typedef int intptr_t;
170 /* Ensure type sizes are correct: */
171 typedef char uint8_size_is_correct [sizeof(uint8_t) == 1?1:-1];
172 typedef char uint16_size_is_correct [sizeof(uint16_t) == 2?1:-1];
173 typedef char uint32_size_is_correct [sizeof(uint32_t) == 4?1:-1];
174 typedef char uint64_size_is_correct [sizeof(uint64_t) == 8?1:-1];
175 typedef char int16_size_if_correct [sizeof(int16_t) == 2?1:-1];
176 typedef char int32_size_is_correct [sizeof(int32_t) == 4?1:-1];
177 typedef char int64_size_is_correct [sizeof(int64_t) == 8?1:-1];
178 /* intptr_t / uintptr_t correct size check */
179 typedef char uintptr_size_is_correct[sizeof(intptr_t) == sizeof(int*)?1:-1];
180 typedef char intptr_size_is_correct [sizeof(uintptr_t)== sizeof(int*)?1:-1];
182 /*===================================================================*/
183 /*=========================== util.c ================================*/
184 /*===================================================================*/
185 void *util_memory_a (unsigned int, unsigned int, const char *);
186 void util_memory_d (void *, unsigned int, const char *);
187 void util_meminfo ();
189 bool util_strupper (const char *);
190 bool util_strdigit (const char *);
191 bool util_strncmpexact (const char *, const char *, size_t);
192 char *util_strdup (const char *);
193 char *util_strrq (const char *);
194 char *util_strrnl (const char *);
195 char *util_strsws (const char *);
196 char *util_strchp (const char *, const char *);
197 void util_debug (const char *, const char *, ...);
198 int util_getline (char **, size_t *, FILE *);
199 void util_endianswap (void *, int, int);
201 size_t util_strtocmd (const char *, char *, size_t);
202 size_t util_strtononcmd (const char *, char *, size_t);
204 uint32_t util_crc32(const char *, int, register const short);
207 # define mem_a(x) malloc(x)
208 # define mem_d(x) free (x)
210 # define mem_a(x) util_memory_a((x), __LINE__, __FILE__)
211 # define mem_d(x) util_memory_d((x), __LINE__, __FILE__)
215 * TODO: make these safer to use. Currently this only works on
216 * x86 and x86_64, some systems will likely not like this. Such
219 #define FLT2INT(Y) *((int32_t*)&(Y))
220 #define INT2FLT(Y) *((float *)&(Y))
222 /* Builds vector type (usefull for inside structures) */
223 #define VECTOR_SNAP(X,Y) X ## Y
224 #define VECTOR_FILL(X,Y) VECTOR_SNAP(X,Y)
225 #define VECTOR_TYPE(T,N) \
226 T* N##_data = NULL; \
227 long N##_elements = 0; \
228 long N##_allocated = 0
229 /* Builds vector add */
230 #define VECTOR_CORE(T,N) \
231 int N##_add(T element) { \
233 if (N##_elements == N##_allocated) { \
234 if (N##_allocated == 0) { \
235 N##_allocated = 12; \
237 N##_allocated *= 2; \
239 if (!(temp = mem_a(N##_allocated * sizeof(T)))) { \
243 memcpy(temp, N##_data, (N##_elements * sizeof(T))); \
245 N##_data = (T*)temp; \
247 N##_data[N##_elements] = element; \
248 return N##_elements++; \
250 int N##_put(T* elements, size_t len) { \
253 while (N##_add(*++elements) != -1 && len--); \
254 return N##_elements; \
256 typedef char VECTOR_FILL(extra_semicolon_##N,__COUNTER__)
257 #define VECTOR_PROT(T,N) \
258 extern T* N##_data ; \
259 extern long N##_elements ; \
260 extern long N##_allocated; \
262 int N##_put(T *, size_t)
263 #define VECTOR_MAKE(T,N) \
267 /*===================================================================*/
268 /*=========================== code.c ================================*/
269 /*===================================================================*/
271 /* Note: if you change the order, fix type_sizeof in ir.c */
287 extern const char *type_name[TYPE_COUNT];
289 extern size_t type_sizeof[TYPE_COUNT];
290 extern uint16_t type_store_instr[TYPE_COUNT];
291 /* could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
292 * but this breaks when TYPE_INTEGER is added, since with the enhanced
293 * instruction set, the old ones are left untouched, thus the _I instructions
294 * are at a seperate place.
296 extern uint16_t type_storep_instr[TYPE_COUNT];
299 uint32_t offset; /* Offset in file of where data begins */
300 uint32_t length; /* Length of section (how many of) */
304 uint32_t version; /* Program version (6) */
305 uint16_t crc16; /* What is this? */
306 uint16_t skip; /* see propsal.txt */
308 prog_section statements; /* prog_section_statement */
309 prog_section defs; /* prog_section_def */
310 prog_section fields; /* prog_section_field */
311 prog_section functions; /* prog_section_function */
312 prog_section strings; /* What is this? */
313 prog_section globals; /* What is this? */
314 uint32_t entfield; /* Number of entity fields */
318 * Each paramater incerements by 3 since vector types hold
319 * 3 components (x,y,z).
323 #define OFS_PARM0 (OFS_RETURN+3)
324 #define OFS_PARM1 (OFS_PARM0 +3)
325 #define OFS_PARM2 (OFS_PARM1 +3)
326 #define OFS_PARM3 (OFS_PARM2 +3)
327 #define OFS_PARM4 (OFS_PARM3 +3)
328 #define OFS_PARM5 (OFS_PARM4 +3)
329 #define OFS_PARM6 (OFS_PARM5 +3)
330 #define OFS_PARM7 (OFS_PARM6 +3)
337 int16_t s1; /* signed */
338 uint16_t u1; /* unsigned */
342 int16_t s1; /* signed */
343 uint16_t u1; /* unsigned */
347 int16_t s1; /* signed */
348 uint16_t u1; /* unsigned */
352 * This is the same as the structure in darkplaces
357 * But this one is more sane to work with, and the
358 * type sizes are guranteed.
360 } prog_section_statement;
371 * 7 = ev_pointer -- engine only
372 * 8 = ev_bad -- engine only
378 typedef prog_section_both prog_section_def;
379 typedef prog_section_both prog_section_field;
382 int32_t entry; /* in statement table for instructions */
383 uint32_t firstlocal; /* First local in local table */
384 uint32_t locals; /* Total ints of params + locals */
385 uint32_t profile; /* Always zero (engine uses this) */
386 uint32_t name; /* name of function in string table */
387 uint32_t file; /* file of the source file */
388 uint32_t nargs; /* number of arguments */
389 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
390 } prog_section_function;
394 * These are the external instructions supported by the interperter
395 * this is what things compile to (from the C code).
466 * Virtual instructions used by the assembler
467 * keep at the end but before virtual instructions
473 * Virtual instructions used by the IR
482 * The symbols below are created by the following
485 * VECTOR_MAKE(prog_section_statement, code_statements);
486 * VECTOR_MAKE(prog_section_def, code_defs );
487 * VECTOR_MAKE(prog_section_field, code_fields );
488 * VECTOR_MAKE(prog_section_function, code_functions );
489 * VECTOR_MAKE(int, code_globals );
490 * VECTOR_MAKE(char, code_chars );
492 VECTOR_PROT(prog_section_statement, code_statements);
493 VECTOR_PROT(prog_section_statement, code_statements);
494 VECTOR_PROT(prog_section_def, code_defs );
495 VECTOR_PROT(prog_section_field, code_fields );
496 VECTOR_PROT(prog_section_function, code_functions );
497 VECTOR_PROT(int, code_globals );
498 VECTOR_PROT(char, code_chars );
500 typedef float qcfloat;
501 typedef int32_t qcint;
504 * code_write -- writes out the compiled file
505 * code_init -- prepares the code file
507 bool code_write (const char *filename);
509 uint32_t code_genstring (const char *string);
510 uint32_t code_cachedstring(const char *string);
511 qcint code_alloc_field (size_t qcsize);
513 /*===================================================================*/
514 /*========================= assembler.c =============================*/
515 /*===================================================================*/
516 static const struct {
517 const char *m; /* menomic */
518 const size_t o; /* operands */
519 const size_t l; /* menomic len */
545 { "FIELD_F" , 0, 7 },
546 { "FIELD_V" , 0, 7 },
547 { "FIELD_S" , 0, 7 },
548 { "FIELD_ENT" , 0, 9 },
549 { "FIELD_FLD" , 0, 9 },
550 { "FIELD_FNC" , 0, 9 },
551 { "ADDRESS" , 0, 7 },
552 { "STORE_F" , 0, 7 },
553 { "STORE_V" , 0, 7 },
554 { "STORE_S" , 0, 7 },
555 { "STORE_ENT" , 0, 9 },
556 { "STORE_FLD" , 0, 9 },
557 { "STORE_FNC" , 0, 9 },
558 { "STOREP_F" , 0, 8 },
559 { "STOREP_V" , 0, 8 },
560 { "STOREP_S" , 0, 8 },
561 { "STOREP_ENT", 0, 10},
562 { "STOREP_FLD", 0, 10},
563 { "STOREP_FNC", 0, 10},
568 { "NOT_ENT" , 0, 7 },
569 { "NOT_FNC" , 0, 7 },
588 { "END" , 0, 3 } /* virtual assembler instruction */
591 void asm_init (const char *, FILE **);
592 void asm_close(FILE *);
593 void asm_parse(FILE *);
594 /*===================================================================*/
595 /*============================= ast.c ===============================*/
596 /*===================================================================*/
597 #define MEM_VECTOR_PROTO(Towner, Tmem, mem) \
598 bool GMQCC_WARN Towner##_##mem##_add(Towner*, Tmem); \
599 bool GMQCC_WARN Towner##_##mem##_remove(Towner*, size_t)
601 #define MEM_VECTOR_PROTO_ALL(Towner, Tmem, mem) \
602 MEM_VECTOR_PROTO(Towner, Tmem, mem); \
603 bool GMQCC_WARN Towner##_##mem##_find(Towner*, Tmem, size_t*); \
604 void Towner##_##mem##_clear(Towner*)
606 #define MEM_VECTOR_MAKE(Twhat, name) \
608 size_t name##_count; \
611 #define MEM_VEC_FUN_ADD(Tself, Twhat, mem) \
612 bool GMQCC_WARN Tself##_##mem##_add(Tself *self, Twhat f) \
615 if (self->mem##_count == self->mem##_alloc) { \
616 if (!self->mem##_alloc) { \
617 self->mem##_alloc = 16; \
619 self->mem##_alloc *= 2; \
621 reall = (Twhat*)mem_a(sizeof(Twhat) * self->mem##_alloc); \
625 memcpy(reall, self->mem, sizeof(Twhat) * self->mem##_count); \
629 self->mem[self->mem##_count++] = f; \
633 #define MEM_VEC_FUN_REMOVE(Tself, Twhat, mem) \
634 bool GMQCC_WARN Tself##_##mem##_remove(Tself *self, size_t idx) \
638 if (idx >= self->mem##_count) { \
639 return true; /* huh... */ \
641 for (i = idx; i < self->mem##_count-1; ++i) { \
642 self->mem[i] = self->mem[i+1]; \
644 self->mem##_count--; \
645 if (self->mem##_count < self->mem##_count/2) { \
646 self->mem##_alloc /= 2; \
647 reall = (Twhat*)mem_a(sizeof(Twhat) * self->mem##_count); \
651 memcpy(reall, self->mem, sizeof(Twhat) * self->mem##_count); \
658 #define MEM_VEC_FUN_FIND(Tself, Twhat, mem) \
659 bool GMQCC_WARN Tself##_##mem##_find(Tself *self, Twhat obj, size_t *idx) \
662 for (i = 0; i < self->mem##_count; ++i) { \
663 if (self->mem[i] == obj) { \
673 #define MEM_VEC_FUN_APPEND(Tself, Twhat, mem) \
674 bool GMQCC_WARN Tself##_##mem##_append(Tself *s, Twhat *p, size_t c) \
677 if (s->mem##_count+c >= s->mem##_alloc) { \
678 if (!s->mem##_alloc) { \
679 s->mem##_alloc = c < 16 ? 16 : c; \
681 s->mem##_alloc *= 2; \
682 if (s->mem##_count+c >= s->mem##_alloc) { \
683 s->mem##_alloc = s->mem##_count+c; \
686 reall = (Twhat*)mem_a(sizeof(Twhat) * s->mem##_alloc); \
690 memcpy(reall, s->mem, sizeof(Twhat) * s->mem##_count); \
694 memcpy(&s->mem[s->mem##_count], p, c*sizeof(*p)); \
695 s->mem##_count += c; \
699 #define MEM_VEC_FUN_RESIZE(Tself, Twhat, mem) \
700 bool GMQCC_WARN Tself##_##mem##_resize(Tself *s, size_t c) \
703 if (c > s->mem##_alloc) { \
704 reall = (Twhat*)mem_a(sizeof(Twhat) * c); \
705 if (!reall) { return false; } \
706 memcpy(reall, s->mem, sizeof(Twhat) * s->mem##_count); \
707 s->mem##_alloc = c; \
712 s->mem##_count = c; \
713 if (c < (s->mem##_alloc / 2)) { \
714 reall = (Twhat*)mem_a(sizeof(Twhat) * c); \
715 if (!reall) { return false; } \
716 memcpy(reall, s->mem, sizeof(Twhat) * c); \
723 #define MEM_VEC_FUN_CLEAR(Tself, mem) \
724 void Tself##_##mem##_clear(Tself *self) \
728 mem_d((void*) self->mem); \
730 self->mem##_count = 0; \
731 self->mem##_alloc = 0; \
734 #define MEM_VECTOR_CLEAR(owner, mem) \
736 mem_d((void*)((owner)->mem)); \
737 (owner)->mem = NULL; \
738 (owner)->mem##_count = 0; \
739 (owner)->mem##_alloc = 0
741 #define MEM_VECTOR_INIT(owner, mem) \
743 (owner)->mem = NULL; \
744 (owner)->mem##_count = 0; \
745 (owner)->mem##_alloc = 0; \
748 #define MEM_VECTOR_MOVE(from, mem, to, tm) \
750 (to)->tm = (from)->mem; \
751 (to)->tm##_count = (from)->mem##_count; \
752 (to)->tm##_alloc = (from)->mem##_alloc; \
753 (from)->mem = NULL; \
754 (from)->mem##_count = 0; \
755 (from)->mem##_alloc = 0; \
758 #define MEM_VEC_FUNCTIONS(Tself, Twhat, mem) \
759 MEM_VEC_FUN_REMOVE(Tself, Twhat, mem) \
760 MEM_VEC_FUN_ADD(Tself, Twhat, mem)
762 #define MEM_VEC_FUNCTIONS_ALL(Tself, Twhat, mem) \
763 MEM_VEC_FUNCTIONS(Tself, Twhat, mem) \
764 MEM_VEC_FUN_CLEAR(Tself, mem) \
765 MEM_VEC_FUN_FIND(Tself, Twhat, mem)
769 store_local, /* local, assignable for now, should get promoted later */
770 store_param, /* parameters, they are locals with a fixed position */
771 store_value, /* unassignable */
772 store_return /* unassignable, at OFS_RETURN */
780 * A shallow copy of a lex_file to remember where which ast node
788 /*===================================================================*/
789 /*============================= exec.c ==============================*/
790 /*===================================================================*/
792 /* darkplaces has (or will have) a 64 bit prog loader
793 * where the 32 bit qc program is autoconverted on load.
794 * Since we may want to support that as well, let's redefine
795 * float and int here.
807 typedef char qcfloat_size_is_correct [sizeof(qcfloat) == 4 ?1:-1];
808 typedef char qcint_size_is_correct [sizeof(qcint) == 4 ?1:-1];
812 VMERR_TEMPSTRING_ALLOC,
817 #define VM_JUMPS_DEFAULT 1000000
820 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
821 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
822 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
826 typedef int (*prog_builtin)(struct qc_program_s *prog);
831 prog_section_function *function;
834 typedef struct qc_program_s {
837 MEM_VECTOR_MAKE(prog_section_statement, code);
838 MEM_VECTOR_MAKE(prog_section_def, defs);
839 MEM_VECTOR_MAKE(prog_section_def, fields);
840 MEM_VECTOR_MAKE(prog_section_function, functions);
841 MEM_VECTOR_MAKE(char, strings);
842 MEM_VECTOR_MAKE(qcint, globals);
843 MEM_VECTOR_MAKE(qcint, entitydata);
844 MEM_VECTOR_MAKE(bool, entitypool);
846 size_t tempstring_start;
847 size_t tempstring_at;
851 MEM_VECTOR_MAKE(size_t, profile);
853 MEM_VECTOR_MAKE(prog_builtin, builtins);
858 bool allowworldwrites;
860 MEM_VECTOR_MAKE(qcint, localstack);
861 MEM_VECTOR_MAKE(qc_exec_stack, stack);
864 int argc; /* current arg count for debugging */
867 qc_program* prog_load(const char *filename);
868 void prog_delete(qc_program *prog);
870 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps);
872 char* prog_getstring (qc_program *prog, qcint str);
873 prog_section_def* prog_entfield (qc_program *prog, qcint off);
874 prog_section_def* prog_getdef (qc_program *prog, qcint off);
875 qcany* prog_getedict (qc_program *prog, qcint e);
876 qcint prog_tempstring(qc_program *prog, const char *_str);
878 /*===================================================================*/
879 /*======================= main.c commandline ========================*/
880 /*===================================================================*/
883 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
884 * to 32 or 64 -f options...
887 size_t idx; /* index into an array of 32 bit words */
888 uint8_t bit; /* index _into_ the 32 bit word, thus just uint8 */
890 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
892 typedef uint32_t longbit;
893 #define LONGBIT(bit) (bit)
896 /* Used to store the list of flags with names */
902 /*===================================================================*/
903 /* list of -f flags, like -fdarkplaces-string-table-bug */
905 # define GMQCC_DEFINE_FLAG(X) X,
906 # include "flags.def"
907 # undef GMQCC_DEFINE_FLAG
910 static const opts_flag_def opts_flag_list[] = {
911 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(X) },
912 # include "flags.def"
913 # undef GMQCC_DEFINE_FLAG
918 # define GMQCC_DEFINE_FLAG(X) WARN_##X,
919 # include "warns.def"
920 # undef GMQCC_DEFINE_FLAG
923 static const opts_flag_def opts_warn_list[] = {
924 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(WARN_##X) },
925 # include "warns.def"
926 # undef GMQCC_DEFINE_FLAG
932 COMPILER_QCC, /* circa QuakeC */
933 COMPILER_FTEQCC, /* fteqcc QuakeC */
934 COMPILER_QCCX, /* qccx QuakeC */
935 COMPILER_GMQCC /* this QuakeC */
937 extern uint32_t opts_O; /* -Ox */
938 extern const char *opts_output; /* -o file */
939 extern int opts_standard;
940 extern bool opts_debug;
941 extern bool opts_memchk;
943 /*===================================================================*/
944 #define OPTS_FLAG(i) (!! (opts_flags[(i)/32] & (1<< ((i)%32))))
945 extern uint32_t opts_flags[1 + (COUNT_FLAGS / 32)];
946 #define OPTS_WARN(i) (!! (opts_warn[(i)/32] & (1<< ((i)%32))))
947 extern uint32_t opts_warn[1 + (COUNT_WARNINGS / 32)];