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
34 * Disable some over protective warnings in visual studio because fixing them is a waste
38 # pragma warning(disable : 4244 ) /* conversion from 'int' to 'float', possible loss of data */
39 # pragma warning(disable : 4018 ) /* signed/unsigned mismatch */
42 #define GMQCC_VERSION_MAJOR 0
43 #define GMQCC_VERSION_MINOR 2
44 #define GMQCC_VERSION_PATCH 0
45 #define GMQCC_VERSION_BUILD(J,N,P) (((J)<<16)|((N)<<8)|(P))
46 #define GMQCC_VERSION \
47 GMQCC_VERSION_BUILD(GMQCC_VERSION_MAJOR, GMQCC_VERSION_MINOR, GMQCC_VERSION_PATCH)
50 * We cannoy rely on C99 at all, since compilers like MSVC
51 * simply don't support it. We define our own boolean type
52 * as a result (since we cannot include <stdbool.h>). For
53 * compilers that are in 1999 mode (C99 compliant) we can use
54 * the language keyword _Bool which can allow for better code
55 * on GCC and GCC-like compilers, opposed to `int`.
66 # ifdef __STDC_VERSION__
67 # if __STDC_VERSION__ < 199901L && __GNUC__ < 3
74 # endif /* !__STDC_VERSION__ */
75 #endif /* !__cplusplus */
80 * Of some functions which are generated we want to make sure
81 * that the result isn't ignored. To find such function calls,
84 #if defined(__GNUC__) || defined(__CLANG__)
85 # define GMQCC_WARN __attribute__((warn_unused_result))
90 * This is a hack to silent clang regarding empty
93 #define GMQCC_SUPPRESS_EMPTY_BODY do { } while (0)
96 * Inline is not supported in < C90, however some compilers
97 * like gcc and clang might have an inline attribute we can
100 #ifdef __STDC_VERSION__
101 # if __STDC_VERSION__ < 199901L
102 # if defined(__GNUC__) || defined (__CLANG__)
104 # define GMQCC_INLINE
106 # define GMQCC_INLINE __attribute__ ((always_inline))
109 # define GMQCC_INLINE
112 # define GMQCC_INLINE inline
115 * Visual studio has __forcinline we can use. So lets use that
116 * I suspect it also has just __inline of some sort, but our use
117 * of inline is correct (not guessed), WE WANT IT TO BE INLINE
119 #elif defined(_MSC_VER)
120 # define GMQCC_INLINE __forceinline
122 # define GMQCC_INLINE
123 #endif /* !__STDC_VERSION__ */
126 * noreturn is present in GCC and clang
127 * it's required for _ast_node_destory otherwise -Wmissing-noreturn
128 * in clang complains about there being no return since abort() is
131 #if (defined(__GNUC__) && __GNUC__ >= 2) || defined(__CLANG__)
132 # define GMQCC_NORETURN __attribute__ ((noreturn))
134 # define GMQCC_NORETURN
140 typedef unsigned __int8 uint8_t;
141 typedef unsigned __int16 uint16_t;
142 typedef unsigned __int32 uint32_t;
143 typedef unsigned __int64 uint64_t;
145 typedef __int16 int16_t;
146 typedef __int32 int32_t;
147 typedef __int64 int64_t;
151 *windows makes these prefixed because they're C99
152 * TODO: utility versions that are type-safe and not
153 * just plain textual subsitution.
156 # define snprintf(X, Y, Z, ...) _snprintf(X, Y, Z, __VA_ARGS__)
157 /* strtof doesn't exist -> strtod does though :) */
158 # define strtof(X, Y) (float)(strtod(X, Y))
162 * Very roboust way at determining endianess at compile time: this handles
163 * almost every possible situation. Otherwise a runtime check has to be
166 #define GMQCC_BYTE_ORDER_LITTLE 1234
167 #define GMQCC_BYTE_ORDER_BIG 4321
169 #if defined (__GNUC__) || defined (__GNU_LIBRARY__)
170 # if defined (__FreeBSD__) || defined (__OpenBSD__)
171 # include <sys/endian.h>
172 # elif defined (BSD) && (BSD >= 199103) || defined (__DJGPP__) || defined (__CYGWIN32__)
173 # include <machine/endiane.h>
174 # elif defined (__APPLE__)
175 # if defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN)
177 # elif defined (__LITTLE_ENDIAN__) && !defined (LITTLE_ENDIAN)
178 # define LITTLE_ENDIAN
180 # elif !defined (__MINGW32__)
182 # if !defined (__BEOS__)
183 # include <byteswap.h>
187 #if !defined(PLATFORM_BYTE_ORDER)
188 # if defined (LITTLE_ENDIAN) || defined (BIG_ENDIAN)
189 # if defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN)
190 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
191 # elif !defined (LITTLE_ENDIAN) && defined (BIG_ENDIAN)
192 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
193 # elif defined (BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
194 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
195 # elif defined (BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)
196 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
198 # elif defined (_LITTLE_ENDIAN) || defined (_BIG_ENDIAN)
199 # if defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
200 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
201 # elif !defined (_LITTLE_ENDIAN) && defined (_BIG_ENDIAN)
202 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
203 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _LITTLE_ENDIAN)
204 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
205 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)
206 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
208 # elif defined (__LITTLE_ENDIAN__) || defined (__BIG_ENDIAN__)
209 # if defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__)
210 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
211 # elif !defined (__LITTLE_ENDIAN__) && defined (__BIG_ENDIAN__)
212 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
213 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __LITTLE_ENDIAN__)
214 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
215 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__)
216 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
220 #if !defined (PLATFORM_BYTE_ORDER)
221 # if defined (__alpha__) || defined (__alpha) || defined (i386) || \
222 defined (__i386__) || defined (_M_I86) || defined (_M_IX86) || \
223 defined (__OS2__) || defined (sun386) || defined (__TURBOC__) || \
224 defined (vax) || defined (vms) || defined (VMS) || \
225 defined (__VMS) || defined (__x86_64__) || defined (_M_IA64) || \
226 defined (_M_X64) || defined (__i386) || defined (__x86_64)
227 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
228 # elif defined (AMIGA) || defined (applec) || defined (__AS400__) || \
229 defined (_CRAY) || defined (__hppa) || defined (__hp9000) || \
230 defined (ibm370) || defined (mc68000) || defined (m68k) || \
231 defined (__MRC__) || defined (__MVS__) || defined (__MWERKS__) || \
232 defined (sparc) || defined (__sparc) || defined (SYMANTEC_C) || \
233 defined (__TANDEM) || defined (THINK_C) || defined (__VMCMS__) || \
234 defined (__PPC__) || defined (__PPC) || defined (PPC)
235 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
237 # define PLATFORM_BYTE_ORDER -1
243 /*===================================================================*/
244 /*=========================== util.c ================================*/
245 /*===================================================================*/
246 void *util_memory_a (size_t, unsigned int, const char *);
247 void util_memory_d (void *, unsigned int, const char *);
248 void *util_memory_r (void *, size_t, unsigned int, const char *);
249 void util_meminfo ();
251 bool util_filexists (const char *);
252 bool util_strupper (const char *);
253 bool util_strdigit (const char *);
254 char *util_strdup (const char *);
255 void util_debug (const char *, const char *, ...);
256 void util_endianswap (void *, size_t, unsigned int);
258 size_t util_strtocmd (const char *, char *, size_t);
259 size_t util_strtononcmd (const char *, char *, size_t);
261 uint16_t util_crc16(uint16_t crc, const char *data, size_t len);
264 * If we're compiling as C++ code we need to fix some subtle issues regarding casts between mem_a/mem_d
265 * since C++ doesn't allow implicit conversions between void*
269 * void * will be implicitally converted to gmqcc_voidptr using gmqcc_voidptr(void*). This is what
270 * essentially allows us to allow implicit conversion to whatever pointer type we're trying to assign
271 * to because it acks as a default assignment constructor.
273 class gmqcc_voidptr {
276 gmqcc_voidptr(void *pointer) :
280 template <typename T>
281 GMQCC_INLINE operator T *() {
286 # define GMQCC_IMPLICIT_POINTER(X) (gmqcc_voidptr(X))
288 # define GMQCC_IMPLICIT_POINTER(X) (X)
292 # define mem_a(x) GMQCC_IMPLICIT_POINTER(malloc (x))
293 # define mem_d(x) free ((void*)x)
294 # define mem_r(x, n) realloc((void*)x, n)
296 # define mem_a(x) GMQCC_IMPLICIT_POINTER(util_memory_a((x), __LINE__, __FILE__))
297 # define mem_d(x) util_memory_d((void*)(x), __LINE__, __FILE__)
298 # define mem_r(x, n) util_memory_r((void*)(x), (n), __LINE__, __FILE__)
302 * A flexible vector implementation: all vector pointers contain some
303 * data baout themselfs exactly - sizeof(vector_t) behind the pointer
304 * this data is represented in the structure below. Doing this allows
305 * use to use the array [] to access individual data from the vector
306 * opposed to using set/get methods.
313 /* hidden interface */
314 void _util_vec_grow(void **a, size_t i, size_t s);
315 #define GMQCC_VEC_WILLGROW(X,Y) ( \
316 ((!(X) || vec_meta(X)->used + Y >= vec_meta(X)->allocated)) ? \
317 (void)_util_vec_grow(((void**)&(X)), (Y), sizeof(*(X))) : \
321 /* exposed interface */
322 #define vec_meta(A) (((vector_t*)(A)) - 1)
323 #define vec_free(A) ((A) ? (mem_d((void*)vec_meta(A)), (A) = NULL) : 0)
324 #define vec_push(A,V) (GMQCC_VEC_WILLGROW(A,1), (A)[vec_meta(A)->used++] = V)
325 #define vec_size(A) ((A) ? vec_meta(A)->used : 0)
326 #define vec_add(A,N) (GMQCC_VEC_WILLGROW(A,N), vec_meta(A)->used += (N), &(A)[vec_meta(A)->used-(N)])
327 #define vec_last(A) ((A)[vec_meta(A)->used - 1])
328 #define vec_pop(A) (vec_meta(A)->used -= 1)
329 #define vec_shrinkto(A,N) (vec_meta(A)->used = (N))
330 #define vec_shrinkby(A,N) (vec_meta(A)->used -= (N))
331 #define vec_append(A,N,S) memcpy(vec_add(A, N), S, N * sizeof(*S))
332 #define vec_upload(X,Y,S) memcpy(vec_add(X, S * sizeof(*Y)), Y, S * sizeof(*Y))
333 #define vec_remove(A,I,N) memmove((char*)A+I*sizeof(*A),(char*)A+(I+N)*sizeof(*A),sizeof(*A)*(vec_meta(A)->used-I-N)),vec_meta(A)->used-=(N)
335 typedef struct hash_table_t {
337 struct hash_node_t **table;
341 * hashtable implementation:
344 * This was designed for pointers: you manage the life of the object yourself
345 * if you do use this for non-pointers please be warned that the object may not
346 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
347 * yourself, or put those in global scope to ensure duration is for the whole
350 * util_htnew(size) -- to make a new hashtable
351 * util_htset(table, key, value, sizeof(value)) -- to set something in the table
352 * util_htget(table, key) -- to get something from the table
353 * util_htdel(table) -- to delete the table
357 * ht foo = util_htnew(1024);
359 * char *test = "hello world\n";
360 * util_htset(foo, "foo", (void*)&data);
361 * util_gtset(foo, "bar", (void*)test);
363 * printf("foo: %d, bar %s",
364 * *((int *)util_htget(foo, "foo")),
365 * ((char*)util_htget(foo, "bar"))
370 hash_table_t *util_htnew (size_t size);
371 void util_htset (hash_table_t *ht, const char *key, void *value);
372 void *util_htget (hash_table_t *ht, const char *key);
373 void util_htdel (hash_table_t *ht);
374 size_t util_hthash(hash_table_t *ht, const char *key);
375 void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
376 void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
378 /*===================================================================*/
379 /*============================ file.c ===============================*/
380 /*===================================================================*/
381 GMQCC_INLINE void file_close (FILE *);
382 GMQCC_INLINE int file_error (FILE *);
383 GMQCC_INLINE int file_getc (FILE *);
384 GMQCC_INLINE int file_printf (FILE *, const char *, ...);
385 GMQCC_INLINE int file_puts (FILE *, const char *);
386 GMQCC_INLINE int file_seek (FILE *, long int, int);
388 GMQCC_INLINE size_t file_read (void *, size_t, size_t, FILE *);
389 GMQCC_INLINE size_t file_write (const void *, size_t, size_t, FILE *);
391 GMQCC_INLINE FILE *file_open (const char *, const char *);
392 /*NOINLINE*/ int file_getline(char **, size_t *, FILE *);
395 /*===================================================================*/
396 /*=========================== code.c ================================*/
397 /*===================================================================*/
400 /* Note: if you change the order, fix type_sizeof in ir.c */
419 /* const/var qualifiers */
423 #define CV_WRONG 0x8000 /* magic number to help parsing */
425 extern const char *type_name [TYPE_COUNT];
426 extern uint16_t type_store_instr [TYPE_COUNT];
427 extern uint16_t field_store_instr[TYPE_COUNT];
430 * could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
431 * but this breaks when TYPE_INTEGER is added, since with the enhanced
432 * instruction set, the old ones are left untouched, thus the _I instructions
433 * are at a seperate place.
435 extern uint16_t type_storep_instr[TYPE_COUNT];
436 extern uint16_t type_eq_instr [TYPE_COUNT];
437 extern uint16_t type_ne_instr [TYPE_COUNT];
438 extern uint16_t type_not_instr [TYPE_COUNT];
441 uint32_t offset; /* Offset in file of where data begins */
442 uint32_t length; /* Length of section (how many of) */
446 uint32_t version; /* Program version (6) */
450 prog_section statements; /* prog_section_statement */
451 prog_section defs; /* prog_section_def */
452 prog_section fields; /* prog_section_field */
453 prog_section functions; /* prog_section_function */
454 prog_section strings;
455 prog_section globals;
456 uint32_t entfield; /* Number of entity fields */
460 * Each paramater incerements by 3 since vector types hold
461 * 3 components (x,y,z).
465 #define OFS_PARM0 (OFS_RETURN+3)
466 #define OFS_PARM1 (OFS_PARM0 +3)
467 #define OFS_PARM2 (OFS_PARM1 +3)
468 #define OFS_PARM3 (OFS_PARM2 +3)
469 #define OFS_PARM4 (OFS_PARM3 +3)
470 #define OFS_PARM5 (OFS_PARM4 +3)
471 #define OFS_PARM6 (OFS_PARM5 +3)
472 #define OFS_PARM7 (OFS_PARM6 +3)
479 int16_t s1; /* signed */
480 uint16_t u1; /* unsigned */
484 int16_t s1; /* signed */
485 uint16_t u1; /* unsigned */
489 int16_t s1; /* signed */
490 uint16_t u1; /* unsigned */
494 * This is the same as the structure in darkplaces
499 * But this one is more sane to work with, and the
500 * type sizes are guranteed.
502 } prog_section_statement;
514 * 7 = ev_pointer -- engine only
515 * 8 = ev_bad -- engine only
522 typedef prog_section_both prog_section_def;
523 typedef prog_section_both prog_section_field;
525 /* this is ORed to the type */
526 #define DEF_SAVEGLOBAL (1<<15)
527 #define DEF_TYPEMASK ((1<<15)-1)
530 int32_t entry; /* in statement table for instructions */
531 uint32_t firstlocal; /* First local in local table */
532 uint32_t locals; /* Total ints of params + locals */
533 uint32_t profile; /* Always zero (engine uses this) */
534 uint32_t name; /* name of function in string table */
535 uint32_t file; /* file of the source file */
536 int32_t nargs; /* number of arguments */
537 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
538 } prog_section_function;
542 * These are the external instructions supported by the interperter
543 * this is what things compile to (from the C code).
549 INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
550 INSTR_MUL_VF, /* and here: B != C */
614 * Virtual instructions used by the assembler
615 * keep at the end but before virtual instructions
621 * Virtual instructions used by the IR
627 /* A never returning CALL.
628 * Creating this causes IR blocks to be marked as 'final'.
634 /* TODO: cleanup this mess */
635 extern prog_section_statement *code_statements;
636 extern int *code_linenums;
637 extern prog_section_def *code_defs;
638 extern prog_section_field *code_fields;
639 extern prog_section_function *code_functions;
640 extern int *code_globals;
641 extern char *code_chars;
642 extern uint16_t code_crc;
645 typedef float qcfloat;
646 typedef int32_t qcint;
649 * code_write -- writes out the compiled file
650 * code_init -- prepares the code file
652 bool code_write (const char *filename, const char *lno);
654 uint32_t code_genstring (const char *string);
655 uint32_t code_cachedstring(const char *string);
656 qcint code_alloc_field (size_t qcsize);
658 /* this function is used to keep statements and linenumbers together */
659 void code_push_statement(prog_section_statement *stmt, int linenum);
660 void code_pop_statement();
663 * A shallow copy of a lex_file to remember where which ast node
671 /*===================================================================*/
672 /*============================ con.c ================================*/
673 /*===================================================================*/
692 void con_vprintmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, va_list ap);
693 void con_printmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, ...);
694 void con_cvprintmsg(void *ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
695 void con_cprintmsg (void *ctx, int lvl, const char *msgtype, const char *msg, ...);
700 void con_color (int);
701 int con_change(const char *, const char *);
702 int con_verr (const char *, va_list);
703 int con_vout (const char *, va_list);
704 int con_err (const char *, ...);
705 int con_out (const char *, ...);
707 /* error/warning interface */
708 extern size_t compile_errors;
709 extern size_t compile_warnings;
711 void /********/ compile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, ...);
712 void /********/ vcompile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
713 bool GMQCC_WARN compile_warning (lex_ctx ctx, int warntype, const char *fmt, ...);
714 bool GMQCC_WARN vcompile_warning(lex_ctx ctx, int warntype, const char *fmt, va_list ap);
716 /*===================================================================*/
717 /*========================= assembler.c =============================*/
718 /*===================================================================*/
719 /* TODO: remove this ... */
720 static const struct {
721 const char *m; /* menomic */
722 const size_t o; /* operands */
723 const size_t l; /* menomic len */
749 { "FIELD_F" , 0, 7 },
750 { "FIELD_V" , 0, 7 },
751 { "FIELD_S" , 0, 7 },
752 { "FIELD_ENT" , 0, 9 },
753 { "FIELD_FLD" , 0, 9 },
754 { "FIELD_FNC" , 0, 9 },
755 { "ADDRESS" , 0, 7 },
756 { "STORE_F" , 0, 7 },
757 { "STORE_V" , 0, 7 },
758 { "STORE_S" , 0, 7 },
759 { "STORE_ENT" , 0, 9 },
760 { "STORE_FLD" , 0, 9 },
761 { "STORE_FNC" , 0, 9 },
762 { "STOREP_F" , 0, 8 },
763 { "STOREP_V" , 0, 8 },
764 { "STOREP_S" , 0, 8 },
765 { "STOREP_ENT", 0, 10},
766 { "STOREP_FLD", 0, 10},
767 { "STOREP_FNC", 0, 10},
772 { "NOT_ENT" , 0, 7 },
773 { "NOT_FNC" , 0, 7 },
792 { "END" , 0, 3 } /* virtual assembler instruction */
794 /*===================================================================*/
795 /*============================= ir.c ================================*/
796 /*===================================================================*/
800 store_local, /* local, assignable for now, should get promoted later */
801 store_param, /* parameters, they are locals with a fixed position */
802 store_value, /* unassignable */
803 store_return /* unassignable, at OFS_RETURN */
810 vector vec3_add (vector, vector);
811 vector vec3_sub (vector, vector);
812 qcfloat vec3_mulvv(vector, vector);
813 vector vec3_mulvf(vector, float);
815 /*===================================================================*/
816 /*============================= exec.c ==============================*/
817 /*===================================================================*/
821 * Darkplaces has (or will have) a 64 bit prog loader
822 * where the 32 bit qc program is autoconverted on load.
823 * Since we may want to support that as well, let's redefine
824 * float and int here.
836 typedef char qcfloat_size_is_correct [sizeof(qcfloat) == 4 ?1:-1];
837 typedef char qcint_size_is_correct [sizeof(qcint) == 4 ?1:-1];
841 VMERR_TEMPSTRING_ALLOC,
846 #define VM_JUMPS_DEFAULT 1000000
849 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
850 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
851 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
855 typedef int (*prog_builtin)(struct qc_program_s *prog);
860 prog_section_function *function;
863 typedef struct qc_program_s {
866 prog_section_statement *code;
867 prog_section_def *defs;
868 prog_section_def *fields;
869 prog_section_function *functions;
875 const char* *function_stack;
879 size_t tempstring_start;
880 size_t tempstring_at;
886 prog_builtin *builtins;
887 size_t builtins_count;
892 bool allowworldwrites;
895 qc_exec_stack *stack;
900 int argc; /* current arg count for debugging */
903 qc_program* prog_load(const char *filename);
904 void prog_delete(qc_program *prog);
906 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps);
908 char* prog_getstring (qc_program *prog, qcint str);
909 prog_section_def* prog_entfield (qc_program *prog, qcint off);
910 prog_section_def* prog_getdef (qc_program *prog, qcint off);
911 qcany* prog_getedict (qc_program *prog, qcint e);
912 qcint prog_tempstring(qc_program *prog, const char *_str);
915 /*===================================================================*/
916 /*===================== parser.c commandline ========================*/
917 /*===================================================================*/
920 bool parser_compile_file (const char *filename);
921 bool parser_compile_string(const char *name, const char *str);
922 bool parser_finish (const char *output);
923 void parser_cleanup ();
925 /* TODO: make compile_string accept len and remove this */
926 /* There's really no need to strlen() preprocessed files */
927 bool parser_compile_string_len(const char *name, const char *str, size_t len);
929 /*===================================================================*/
930 /*====================== ftepp.c commandline ========================*/
931 /*===================================================================*/
933 bool ftepp_preprocess_file (const char *filename);
934 bool ftepp_preprocess_string(const char *name, const char *str);
935 void ftepp_finish ();
936 const char *ftepp_get ();
938 void ftepp_add_define (const char *source, const char *name);
939 void ftepp_add_macro (const char *name, const char *value);
941 /*===================================================================*/
942 /*======================= main.c commandline ========================*/
943 /*===================================================================*/
946 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
947 * to 32 or 64 -f options...
950 size_t idx; /* index into an array of 32 bit words */
951 uint8_t bit; /* index _into_ the 32 bit word, thus just uint8 */
953 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
955 typedef uint32_t longbit;
956 #define LONGBIT(bit) (bit)
959 /*===================================================================*/
960 /*============================= opts.c ==============================*/
961 /*===================================================================*/
967 bool opts_setflag (const char *, bool);
968 bool opts_setwarn (const char *, bool);
969 bool opts_setwerror(const char *, bool);
970 bool opts_setoptim (const char *, bool);
972 void opts_init (const char *, int, size_t);
973 void opts_set (uint32_t *, size_t, bool);
974 void opts_setoptimlevel(unsigned int);
975 void opts_ini_init (const char *);
978 # define GMQCC_TYPE_FLAGS
979 # define GMQCC_DEFINE_FLAG(X) X,
983 static const opts_flag_def opts_flag_list[] = {
984 # define GMQCC_TYPE_FLAGS
985 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(X) },
991 # define GMQCC_TYPE_WARNS
992 # define GMQCC_DEFINE_FLAG(X) WARN_##X,
996 static const opts_flag_def opts_warn_list[] = {
997 # define GMQCC_TYPE_WARNS
998 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(WARN_##X) },
1000 { NULL, LONGBIT(0) }
1004 # define GMQCC_TYPE_OPTIMIZATIONS
1005 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
1006 # include "opts.def"
1009 static const opts_flag_def opts_opt_list[] = {
1010 # define GMQCC_TYPE_OPTIMIZATIONS
1011 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) { #NAME, LONGBIT(OPTIM_##NAME) },
1012 # include "opts.def"
1013 { NULL, LONGBIT(0) }
1015 static const unsigned int opts_opt_oflag[] = {
1016 # define GMQCC_TYPE_OPTIMIZATIONS
1017 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) MIN_O,
1018 # include "opts.def"
1021 extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
1023 /* other options: */
1025 COMPILER_QCC, /* circa QuakeC */
1026 COMPILER_FTEQCC, /* fteqcc QuakeC */
1027 COMPILER_QCCX, /* qccx QuakeC */
1028 COMPILER_GMQCC /* this QuakeC */
1031 /* TODO: cleanup this */
1033 uint32_t O; /* -Ox */
1034 const char *output; /* -o file */
1036 opts_std_t standard; /* -std= */
1037 bool debug; /* -debug */
1038 bool memchk; /* -memchk */
1039 bool dumpfin; /* -dumpfin */
1040 bool dump; /* -dump */
1041 bool forcecrc; /* --force-crc= */
1042 uint16_t forced_crc; /* --force-crc= */
1043 bool pp_only; /* -E */
1044 size_t max_array_size; /* --max-array= */
1046 uint32_t flags [1 + (COUNT_FLAGS / 32)];
1047 uint32_t warn [1 + (COUNT_WARNINGS / 32)];
1048 uint32_t werror [1 + (COUNT_WARNINGS / 32)];
1049 uint32_t optimization[1 + (COUNT_OPTIMIZATIONS / 32)];
1052 extern opts_cmd_t opts;
1054 #define OPTS_FLAG(i) (!! (opts.flags [(i)/32] & (1<< ((i)%32))))
1055 #define OPTS_WARN(i) (!! (opts.warn [(i)/32] & (1<< ((i)%32))))
1056 #define OPTS_WERROR(i) (!! (opts.werror [(i)/32] & (1<< ((i)%32))))
1057 #define OPTS_OPTIMIZATION(i) (!! (opts.optimization[(i)/32] & (1<< ((i)%32))))