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 /*============================ lex.c ================================*/
184 /*===================================================================*/
185 typedef struct lex_file_t {
186 FILE *file; /* file handler */
187 char *name; /* name of file */
191 int last; /* last token */
192 int current; /* current token */
193 int length; /* bytes left to parse */
194 int size; /* never changes (size of file) */
195 int line; /* what line are we on? */
199 * It's important that this table never exceed 32 keywords, the ascii
200 * table starts at 33 (and we don't want conflicts)
211 TOKEN_FOR , /* extension */
212 TOKEN_TYPEDEF , /* extension */
214 /* ensure the token types are out of the */
215 /* bounds of anyothers that may conflict. */
224 * Lexer state constants, these are numbers for where exactly in
225 * the lexing the lexer is at. Or where it decided to stop if a lexer
226 * error occurs. These numbers must be > where the ascii-table ends
227 * and > the last type token which is TOKEN_VOID
236 int lex_token (lex_file *);
237 void lex_reset (lex_file *);
238 void lex_close (lex_file *);
239 void lex_parse (lex_file *);
240 lex_file *lex_include(lex_file *, const char *);
241 void lex_init (const char *, lex_file **);
243 /*===================================================================*/
244 /*========================== error.c ================================*/
245 /*===================================================================*/
246 #define ERROR_LEX (SHRT_MAX+0)
247 #define ERROR_PARSE (SHRT_MAX+1)
248 #define ERROR_INTERNAL (SHRT_MAX+2)
249 #define ERROR_COMPILER (SHRT_MAX+3)
250 #define ERROR_PREPRO (SHRT_MAX+4)
251 int error(lex_file *, int, const char *, ...);
253 /*===================================================================*/
254 /*========================== parse.c ================================*/
255 /*===================================================================*/
256 int parse_gen(lex_file *);
258 /*===================================================================*/
259 /*========================== typedef.c ==============================*/
260 /*===================================================================*/
261 typedef struct typedef_node_t {
266 void typedef_clear();
267 typedef_node *typedef_find(const char *);
268 int typedef_add (lex_file *file, const char *, const char *);
271 /*===================================================================*/
272 /*=========================== util.c ================================*/
273 /*===================================================================*/
274 void *util_memory_a (unsigned int, unsigned int, const char *);
275 void util_memory_d (void *, unsigned int, const char *);
276 void util_meminfo ();
278 bool util_strupper (const char *);
279 bool util_strdigit (const char *);
280 bool util_strncmpexact (const char *, const char *, size_t);
281 char *util_strdup (const char *);
282 char *util_strrq (const char *);
283 char *util_strrnl (const char *);
284 char *util_strsws (const char *);
285 char *util_strchp (const char *, const char *);
286 void util_debug (const char *, const char *, ...);
287 int util_getline (char **, size_t *, FILE *);
288 void util_endianswap (void *, int, int);
290 uint32_t util_crc32(const char *, int, register const short);
293 # define mem_a(x) malloc(x)
294 # define mem_d(x) free (x)
296 # define mem_a(x) util_memory_a((x), __LINE__, __FILE__)
297 # define mem_d(x) util_memory_d((x), __LINE__, __FILE__)
301 * TODO: make these safer to use. Currently this only works on
302 * x86 and x86_64, some systems will likely not like this. Such
305 #define FLT2INT(Y) *((int32_t*)&(Y))
306 #define INT2FLT(Y) *((float *)&(Y))
308 /* Builds vector type (usefull for inside structures) */
309 #define VECTOR_SNAP(X,Y) X ## Y
310 #define VECTOR_FILL(X,Y) VECTOR_SNAP(X,Y)
311 #define VECTOR_TYPE(T,N) \
312 T* N##_data = NULL; \
313 long N##_elements = 0; \
314 long N##_allocated = 0
315 /* Builds vector add */
316 #define VECTOR_CORE(T,N) \
317 int N##_add(T element) { \
319 if (N##_elements == N##_allocated) { \
320 if (N##_allocated == 0) { \
321 N##_allocated = 12; \
323 N##_allocated *= 2; \
325 if (!(temp = mem_a(N##_allocated * sizeof(T)))) { \
329 memcpy(temp, N##_data, (N##_elements * sizeof(T))); \
331 N##_data = (T*)temp; \
333 N##_data[N##_elements] = element; \
334 return N##_elements++; \
336 int N##_put(T* elements, size_t len) { \
339 while (N##_add(*++elements) != -1 && len--); \
340 return N##_elements; \
342 typedef char VECTOR_FILL(extra_semicolon_,__COUNTER__)
343 #define VECTOR_PROT(T,N) \
344 extern T* N##_data ; \
345 extern long N##_elements ; \
346 extern long N##_allocated; \
348 int N##_put(T *, size_t)
349 #define VECTOR_MAKE(T,N) \
353 /*===================================================================*/
354 /*=========================== code.c ================================*/
355 /*===================================================================*/
357 /* Note: if you change the order, fix type_sizeof in ir.c */
373 extern size_t type_sizeof[TYPE_COUNT];
374 extern uint16_t type_store_instr[TYPE_COUNT];
375 /* could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
376 * but this breaks when TYPE_INTEGER is added, since with the enhanced
377 * instruction set, the old ones are left untouched, thus the _I instructions
378 * are at a seperate place.
380 extern uint16_t type_storep_instr[TYPE_COUNT];
383 uint32_t offset; /* Offset in file of where data begins */
384 uint32_t length; /* Length of section (how many of) */
388 uint32_t version; /* Program version (6) */
389 uint16_t crc16; /* What is this? */
390 uint16_t skip; /* see propsal.txt */
392 prog_section statements; /* prog_section_statement */
393 prog_section defs; /* prog_section_def */
394 prog_section fields; /* prog_section_field */
395 prog_section functions; /* prog_section_function */
396 prog_section strings; /* What is this? */
397 prog_section globals; /* What is this? */
398 uint32_t entfield; /* Number of entity fields */
402 * Each paramater incerements by 3 since vector types hold
403 * 3 components (x,y,z).
407 #define OFS_PARM0 (OFS_RETURN+3)
408 #define OFS_PARM1 (OFS_PARM0 +3)
409 #define OFS_PARM2 (OFS_PARM1 +3)
410 #define OFS_PARM3 (OFS_PARM2 +3)
411 #define OFS_PARM4 (OFS_PARM3 +3)
412 #define OFS_PARM5 (OFS_PARM4 +3)
413 #define OFS_PARM6 (OFS_PARM5 +3)
414 #define OFS_PARM7 (OFS_PARM6 +3)
421 int16_t s1; /* signed */
422 uint16_t u1; /* unsigned */
426 int16_t s1; /* signed */
427 uint16_t u1; /* unsigned */
431 int16_t s1; /* signed */
432 uint16_t u1; /* unsigned */
436 * This is the same as the structure in darkplaces
441 * But this one is more sane to work with, and the
442 * type sizes are guranteed.
444 } prog_section_statement;
455 * 7 = ev_pointer -- engine only
456 * 8 = ev_bad -- engine only
462 typedef prog_section_both prog_section_def;
463 typedef prog_section_both prog_section_field;
466 int32_t entry; /* in statement table for instructions */
467 uint32_t firstlocal; /* First local in local table */
468 uint32_t locals; /* Total ints of params + locals */
469 uint32_t profile; /* Always zero (engine uses this) */
470 uint32_t name; /* name of function in string table */
471 uint32_t file; /* file of the source file */
472 uint32_t nargs; /* number of arguments */
473 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
474 } prog_section_function;
478 * These are the external instructions supported by the interperter
479 * this is what things compile to (from the C code).
550 * Virtual instructions used by the assembler
551 * keep at the end but before virtual instructions
557 * Virtual instructions used by the IR
566 * The symbols below are created by the following
569 * VECTOR_MAKE(prog_section_statement, code_statements);
570 * VECTOR_MAKE(prog_section_def, code_defs );
571 * VECTOR_MAKE(prog_section_field, code_fields );
572 * VECTOR_MAKE(prog_section_function, code_functions );
573 * VECTOR_MAKE(int, code_globals );
574 * VECTOR_MAKE(char, code_chars );
576 VECTOR_PROT(prog_section_statement, code_statements);
577 VECTOR_PROT(prog_section_statement, code_statements);
578 VECTOR_PROT(prog_section_def, code_defs );
579 VECTOR_PROT(prog_section_field, code_fields );
580 VECTOR_PROT(prog_section_function, code_functions );
581 VECTOR_PROT(int, code_globals );
582 VECTOR_PROT(char, code_chars );
585 * code_write -- writes out the compiled file
586 * code_init -- prepares the code file
588 bool code_write (const char *filename);
590 uint32_t code_genstring (const char *string);
591 uint32_t code_cachedstring(const char *string);
593 /*===================================================================*/
594 /*========================= assembler.c =============================*/
595 /*===================================================================*/
596 static const struct {
597 const char *m; /* menomic */
598 const size_t o; /* operands */
599 const size_t l; /* menomic len */
625 { "FIELD_F" , 0, 7 },
626 { "FIELD_V" , 0, 7 },
627 { "FIELD_S" , 0, 7 },
628 { "FIELD_ENT" , 0, 9 },
629 { "FIELD_FLD" , 0, 9 },
630 { "FIELD_FNC" , 0, 9 },
631 { "ADDRESS" , 0, 7 },
632 { "STORE_F" , 0, 7 },
633 { "STORE_V" , 0, 7 },
634 { "STORE_S" , 0, 7 },
635 { "STORE_ENT" , 0, 9 },
636 { "STORE_FLD" , 0, 9 },
637 { "STORE_FNC" , 0, 9 },
638 { "STOREP_F" , 0, 8 },
639 { "STOREP_V" , 0, 8 },
640 { "STOREP_S" , 0, 8 },
641 { "STOREP_ENT", 0, 10},
642 { "STOREP_FLD", 0, 10},
643 { "STOREP_FNC", 0, 10},
648 { "NOT_ENT" , 0, 7 },
649 { "NOT_FNC" , 0, 7 },
667 { "END" , 0, 3 } /* virtual assembler instruction */
670 void asm_init (const char *, FILE **);
671 void asm_close(FILE *);
672 void asm_parse(FILE *);
673 /*===================================================================*/
674 /*============================= main.c ==============================*/
675 /*===================================================================*/
677 COMPILER_QCC, /* circa QuakeC */
678 COMPILER_FTEQCC, /* fteqcc QuakeC */
679 COMPILER_QCCX, /* qccx QuakeC */
680 COMPILER_GMQCC /* this QuakeC */
682 extern bool opts_debug;
683 extern bool opts_memchk;
684 extern bool opts_darkplaces_stringtablebug;
685 extern bool opts_omit_nullcode;
686 extern int opts_compiler;
687 /*===================================================================*/
688 /*============================= ast.c ===============================*/
689 /*===================================================================*/
690 #define MEM_VECTOR_PROTO(Towner, Tmem, mem) \
691 bool GMQCC_WARN Towner##_##mem##_add(Towner*, Tmem); \
692 bool GMQCC_WARN Towner##_##mem##_remove(Towner*, size_t)
694 #define MEM_VECTOR_PROTO_ALL(Towner, Tmem, mem) \
695 MEM_VECTOR_PROTO(Towner, Tmem, mem); \
696 bool GMQCC_WARN Towner##_##mem##_find(Towner*, Tmem, size_t*); \
697 void Towner##_##mem##_clear(Towner*)
699 #define MEM_VECTOR_MAKE(Twhat, name) \
701 size_t name##_count; \
704 #define MEM_VEC_FUN_ADD(Tself, Twhat, mem) \
705 bool GMQCC_WARN Tself##_##mem##_add(Tself *self, Twhat f) \
708 if (self->mem##_count == self->mem##_alloc) { \
709 if (!self->mem##_alloc) { \
710 self->mem##_alloc = 16; \
712 self->mem##_alloc *= 2; \
714 reall = (Twhat*)mem_a(sizeof(Twhat) * self->mem##_alloc); \
718 memcpy(reall, self->mem, sizeof(Twhat) * self->mem##_count); \
722 self->mem[self->mem##_count++] = f; \
726 #define MEM_VEC_FUN_REMOVE(Tself, Twhat, mem) \
727 bool GMQCC_WARN Tself##_##mem##_remove(Tself *self, size_t idx) \
731 if (idx >= self->mem##_count) { \
732 return true; /* huh... */ \
734 for (i = idx; i < self->mem##_count-1; ++i) { \
735 self->mem[i] = self->mem[i+1]; \
737 self->mem##_count--; \
738 if (self->mem##_count < self->mem##_count/2) { \
739 self->mem##_alloc /= 2; \
740 reall = (Twhat*)mem_a(sizeof(Twhat) * self->mem##_count); \
744 memcpy(reall, self->mem, sizeof(Twhat) * self->mem##_count); \
751 #define MEM_VEC_FUN_FIND(Tself, Twhat, mem) \
752 bool GMQCC_WARN Tself##_##mem##_find(Tself *self, Twhat obj, size_t *idx) \
755 for (i = 0; i < self->mem##_count; ++i) { \
756 if (self->mem[i] == obj) { \
766 #define MEM_VEC_FUN_APPEND(Tself, Twhat, mem) \
767 bool GMQCC_WARN Tself##_##mem##_append(Tself *s, Twhat *p, size_t c) \
770 if (s->mem##_count+c >= s->mem##_alloc) { \
771 if (!s->mem##_alloc) { \
772 s->mem##_alloc = c < 16 ? 16 : c; \
774 s->mem##_alloc *= 2; \
775 if (s->mem##_count+c >= s->mem##_alloc) { \
776 s->mem##_alloc = s->mem##_count+c; \
779 reall = (Twhat*)mem_a(sizeof(Twhat) * s->mem##_alloc); \
783 memcpy(reall, s->mem, sizeof(Twhat) * s->mem##_count); \
787 memcpy(&s->mem[s->mem##_count], p, c*sizeof(*p)); \
788 s->mem##_count += c; \
792 #define MEM_VEC_FUN_RESIZE(Tself, Twhat, mem) \
793 bool GMQCC_WARN Tself##_##mem##_resize(Tself *s, size_t c) \
796 if (c > s->mem##_alloc) { \
797 reall = (Twhat*)mem_a(sizeof(Twhat) * c); \
798 if (!reall) { return false; } \
799 memcpy(reall, s->mem, sizeof(Twhat) * s->mem##_count); \
800 s->mem##_alloc = c; \
805 s->mem##_count = c; \
806 if (c < (s->mem##_alloc / 2)) { \
807 reall = (Twhat*)mem_a(sizeof(Twhat) * c); \
808 if (!reall) { return false; } \
809 memcpy(reall, s->mem, sizeof(Twhat) * c); \
816 #define MEM_VEC_FUN_CLEAR(Tself, mem) \
817 void Tself##_##mem##_clear(Tself *self) \
821 mem_d((void*) self->mem); \
823 self->mem##_count = 0; \
824 self->mem##_alloc = 0; \
827 #define MEM_VECTOR_CLEAR(owner, mem) \
829 mem_d((void*)((owner)->mem)); \
830 (owner)->mem = NULL; \
831 (owner)->mem##_count = 0; \
832 (owner)->mem##_alloc = 0
834 #define MEM_VECTOR_INIT(owner, mem) \
836 (owner)->mem = NULL; \
837 (owner)->mem##_count = 0; \
838 (owner)->mem##_alloc = 0; \
841 #define MEM_VEC_FUNCTIONS(Tself, Twhat, mem) \
842 MEM_VEC_FUN_REMOVE(Tself, Twhat, mem) \
843 MEM_VEC_FUN_ADD(Tself, Twhat, mem)
845 #define MEM_VEC_FUNCTIONS_ALL(Tself, Twhat, mem) \
846 MEM_VEC_FUNCTIONS(Tself, Twhat, mem) \
847 MEM_VEC_FUN_CLEAR(Tself, mem) \
848 MEM_VEC_FUN_FIND(Tself, Twhat, mem)
852 store_local, /* local, assignable for now, should get promoted later */
853 store_param, /* parameters, they are locals with a fixed position */
854 store_value, /* unassignable */
855 store_return /* unassignable, at OFS_RETURN */
863 * A shallow copy of a lex_file to remember where which ast node
871 /*===================================================================*/
872 /*============================= exec.c ==============================*/
873 /*===================================================================*/
875 /* darkplaces has (or will have) a 64 bit prog loader
876 * where the 32 bit qc program is autoconverted on load.
877 * Since we may want to support that as well, let's redefine
878 * float and int here.
880 typedef float qcfloat;
881 typedef int32_t qcint;
893 typedef char qcfloat_size_is_correct [sizeof(qcfloat) == 4 ?1:-1];
894 typedef char qcint_size_is_correct [sizeof(qcint) == 4 ?1:-1];
898 VMERR_TEMPSTRING_ALLOC,
903 #define VM_JUMPS_DEFAULT 1000000
906 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
907 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
908 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
912 typedef int (*prog_builtin)(struct qc_program_s *prog);
917 prog_section_function *function;
920 typedef struct qc_program_s {
923 MEM_VECTOR_MAKE(prog_section_statement, code);
924 MEM_VECTOR_MAKE(prog_section_def, defs);
925 MEM_VECTOR_MAKE(prog_section_def, fields);
926 MEM_VECTOR_MAKE(prog_section_function, functions);
927 MEM_VECTOR_MAKE(char, strings);
928 MEM_VECTOR_MAKE(qcint, globals);
929 MEM_VECTOR_MAKE(qcint, entitydata);
931 size_t tempstring_start;
932 size_t tempstring_at;
936 MEM_VECTOR_MAKE(size_t, profile);
938 MEM_VECTOR_MAKE(prog_builtin, builtins);
943 bool allowworldwrites;
945 MEM_VECTOR_MAKE(qcint, localstack);
946 MEM_VECTOR_MAKE(qc_exec_stack, stack);
949 int argc; /* current arg count for debugging */
952 qc_program* prog_load(const char *filename);
953 void prog_delete(qc_program *prog);
955 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps);
957 char* prog_getstring (qc_program *prog, qcint str);
958 prog_section_def* prog_entfield (qc_program *prog, qcint off);
959 prog_section_def* prog_getdef (qc_program *prog, qcint off);
960 qcany* prog_getedict (qc_program *prog, qcint e);
961 qcint prog_tempstring(qc_program *prog, const char *_str);
963 /*===================================================================*/
964 /*======================= main.c commandline ========================*/
965 /*===================================================================*/
968 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
969 * to 32 or 64 -f options...
972 size_t idx; /* index into an array of 32 bit words */
973 uint8_t bit; /* index _into_ the 32 bit word, thus just uint8 */
975 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
977 typedef uint32_t longbit;
978 #define LONGBIT(bit) (bit)
981 /* Used to store the list of flags with names */
987 /*===================================================================*/
988 /* list of -f flags, like -fdarkplaces-string-table-bug */
996 static const opt_flag_def opt_flag_list[] = {
997 { "overlap-locals", LONGBIT(OVERLAP_LOCALS) },
998 { "darkplaces-string-table-bug", LONGBIT(DP_STRING_TABLE_BUG) },
999 { "omit-nullbytes", LONGBIT(OMIT_NULLBYTES) }
1001 static const size_t opt_flag_list_count = sizeof(opt_flag_list) / sizeof(opt_flag_list[0]);
1004 WARN_UNUSED_VARIABLE,
1008 static const opt_flag_def opt_warn_list[] = {
1009 /* only contains single flags, no groups like 'all' */
1010 { "unused-variable", LONGBIT(WARN_UNUSED_VARIABLE) }
1012 static const size_t opt_warn_list_count = sizeof(opt_warn_list) / sizeof(opt_warn_list[0]);
1014 /* other options: */
1015 extern uint32_t opt_O; /* -Ox */
1016 extern const char *opt_output; /* -o file */
1017 extern int opt_standard;
1025 /*===================================================================*/
1026 #define OPT_FLAG(i) (!! (opt_flags[(i)/32] & (1<< ((i)%32))))
1027 extern uint32_t opt_flags[1 + (NUM_F_FLAGS / 32)];
1028 #define OPT_WARN(i) (!! (opt_warn[(i)/32] & (1<< ((i)%32))))
1029 extern uint32_t opt_warn[1 + (NUM_W_FLAGS / 32)];