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 */
40 # pragma warning(disable : 4996 ) /* This function or variable may be unsafe */
41 # pragma warning(disable : 4700 ) /* uninitialized local variable used */
42 # pragma warning(disable : 4129 ) /* unrecognized character secape sequence */
45 #define GMQCC_VERSION_MAJOR 0
46 #define GMQCC_VERSION_MINOR 2
47 #define GMQCC_VERSION_PATCH 0
48 #define GMQCC_VERSION_BUILD(J,N,P) (((J)<<16)|((N)<<8)|(P))
49 #define GMQCC_VERSION \
50 GMQCC_VERSION_BUILD(GMQCC_VERSION_MAJOR, GMQCC_VERSION_MINOR, GMQCC_VERSION_PATCH)
53 * We cannoy rely on C99 at all, since compilers like MSVC
54 * simply don't support it. We define our own boolean type
55 * as a result (since we cannot include <stdbool.h>). For
56 * compilers that are in 1999 mode (C99 compliant) we can use
57 * the language keyword _Bool which can allow for better code
58 * on GCC and GCC-like compilers, opposed to `int`.
69 # ifdef __STDC_VERSION__
70 # if __STDC_VERSION__ < 199901L && __GNUC__ < 3
77 # endif /* !__STDC_VERSION__ */
78 #endif /* !__cplusplus */
83 * Of some functions which are generated we want to make sure
84 * that the result isn't ignored. To find such function calls,
87 #if defined(__GNUC__) || defined(__CLANG__)
88 # define GMQCC_WARN __attribute__((warn_unused_result))
93 * This is a hack to silent clang regarding empty
96 #define GMQCC_SUPPRESS_EMPTY_BODY do { } while (0)
99 * Inline is not supported in < C90, however some compilers
100 * like gcc and clang might have an inline attribute we can
103 #ifdef __STDC_VERSION__
104 # if __STDC_VERSION__ < 199901L
105 # if defined(__GNUC__) || defined (__CLANG__)
107 # define GMQCC_INLINE
109 # define GMQCC_INLINE __attribute__ ((always_inline))
112 # define GMQCC_INLINE
115 # define GMQCC_INLINE inline
118 * Visual studio has __forcinline we can use. So lets use that
119 * I suspect it also has just __inline of some sort, but our use
120 * of inline is correct (not guessed), WE WANT IT TO BE INLINE
122 #elif defined(_MSC_VER)
123 # define GMQCC_INLINE __forceinline
125 # define GMQCC_INLINE
126 #endif /* !__STDC_VERSION__ */
129 * noreturn is present in GCC and clang
130 * it's required for _ast_node_destory otherwise -Wmissing-noreturn
131 * in clang complains about there being no return since abort() is
134 #if (defined(__GNUC__) && __GNUC__ >= 2) || defined(__CLANG__)
135 # define GMQCC_NORETURN __attribute__ ((noreturn))
137 # define GMQCC_NORETURN
143 typedef unsigned __int8 uint8_t;
144 typedef unsigned __int16 uint16_t;
145 typedef unsigned __int32 uint32_t;
146 typedef unsigned __int64 uint64_t;
148 typedef __int16 int16_t;
149 typedef __int32 int32_t;
150 typedef __int64 int64_t;
154 *windows makes these prefixed because they're C99
155 * TODO: utility versions that are type-safe and not
156 * just plain textual subsitution.
159 # define snprintf(X, Y, Z, ...) _snprintf(X, Y, Z, __VA_ARGS__)
160 /* strtof doesn't exist -> strtod does though :) */
161 # define strtof(X, Y) (float)(strtod(X, Y))
166 * Very roboust way at determining endianess at compile time: this handles
167 * almost every possible situation. Otherwise a runtime check has to be
170 #define GMQCC_BYTE_ORDER_LITTLE 1234
171 #define GMQCC_BYTE_ORDER_BIG 4321
173 #if defined (__GNUC__) || defined (__GNU_LIBRARY__)
174 # if defined (__FreeBSD__) || defined (__OpenBSD__)
175 # include <sys/endian.h>
176 # elif defined (BSD) && (BSD >= 199103) || defined (__DJGPP__) || defined (__CYGWIN32__)
177 # include <machine/endiane.h>
178 # elif defined (__APPLE__)
179 # if defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN)
181 # elif defined (__LITTLE_ENDIAN__) && !defined (LITTLE_ENDIAN)
182 # define LITTLE_ENDIAN
184 # elif !defined (__MINGW32__)
186 # if !defined (__BEOS__)
187 # include <byteswap.h>
191 #if !defined(PLATFORM_BYTE_ORDER)
192 # if defined (LITTLE_ENDIAN) || defined (BIG_ENDIAN)
193 # if defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN)
194 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
195 # elif !defined (LITTLE_ENDIAN) && defined (BIG_ENDIAN)
196 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
197 # elif defined (BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
198 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
199 # elif defined (BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)
200 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
202 # elif defined (_LITTLE_ENDIAN) || defined (_BIG_ENDIAN)
203 # if defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
204 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
205 # elif !defined (_LITTLE_ENDIAN) && defined (_BIG_ENDIAN)
206 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
207 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _LITTLE_ENDIAN)
208 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
209 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)
210 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
212 # elif defined (__LITTLE_ENDIAN__) || defined (__BIG_ENDIAN__)
213 # if defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__)
214 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
215 # elif !defined (__LITTLE_ENDIAN__) && defined (__BIG_ENDIAN__)
216 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
217 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __LITTLE_ENDIAN__)
218 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
219 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__)
220 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
224 #if !defined (PLATFORM_BYTE_ORDER)
225 # if defined (__alpha__) || defined (__alpha) || defined (i386) || \
226 defined (__i386__) || defined (_M_I86) || defined (_M_IX86) || \
227 defined (__OS2__) || defined (sun386) || defined (__TURBOC__) || \
228 defined (vax) || defined (vms) || defined (VMS) || \
229 defined (__VMS) || defined (__x86_64__) || defined (_M_IA64) || \
230 defined (_M_X64) || defined (__i386) || defined (__x86_64)
231 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
232 # elif defined (AMIGA) || defined (applec) || defined (__AS400__) || \
233 defined (_CRAY) || defined (__hppa) || defined (__hp9000) || \
234 defined (ibm370) || defined (mc68000) || defined (m68k) || \
235 defined (__MRC__) || defined (__MVS__) || defined (__MWERKS__) || \
236 defined (sparc) || defined (__sparc) || defined (SYMANTEC_C) || \
237 defined (__TANDEM) || defined (THINK_C) || defined (__VMCMS__) || \
238 defined (__PPC__) || defined (__PPC) || defined (PPC)
239 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
241 # define PLATFORM_BYTE_ORDER -1
247 /*===================================================================*/
248 /*=========================== util.c ================================*/
249 /*===================================================================*/
250 FILE *util_fopen(const char *filename, const char *mode);
252 void *util_memory_a (size_t, unsigned int, const char *);
253 void util_memory_d (void *, unsigned int, const char *);
254 void *util_memory_r (void *, size_t, unsigned int, const char *);
255 void util_meminfo ();
257 bool util_filexists (const char *);
258 bool util_strupper (const char *);
259 bool util_strdigit (const char *);
260 bool util_strncmpexact (const char *, const char *, size_t);
261 char *util_strdup (const char *);
262 char *util_strrq (const char *);
263 char *util_strrnl (const char *);
264 char *util_strsws (const char *);
265 char *util_strchp (const char *, const char *);
266 void util_debug (const char *, const char *, ...);
267 int util_getline (char **, size_t *, FILE *);
268 void util_endianswap (void *, size_t, unsigned int);
270 size_t util_strtocmd (const char *, char *, size_t);
271 size_t util_strtononcmd (const char *, char *, size_t);
273 uint16_t util_crc16(uint16_t crc, const char *data, size_t len);
274 uint32_t util_crc32(uint32_t crc, const char *data, size_t len);
277 * If we're compiling as C++ code we need to fix some subtle issues regarding casts between mem_a/mem_d
278 * since C++ doesn't allow implicit conversions between void*
282 * void * will be implicitally converted to gmqcc_voidptr using gmqcc_voidptr(void*). This is what
283 * essentially allows us to allow implicit conversion to whatever pointer type we're trying to assign
284 * to because it acks as a default assignment constructor.
286 class gmqcc_voidptr {
289 gmqcc_voidptr(void *pointer) :
293 template <typename T>
294 GMQCC_INLINE operator T *() {
299 # define GMQCC_IMPLICIT_POINTER(X) (gmqcc_voidptr(X))
301 # define GMQCC_IMPLICIT_POINTER(X) (X)
305 # define mem_a(x) GMQCC_IMPLICIT_POINTER(malloc (x))
306 # define mem_d(x) free ((void*)x)
307 # define mem_r(x, n) realloc((void*)x, n)
309 # define mem_a(x) GMQCC_IMPLICIT_POINTER(util_memory_a((x), __LINE__, __FILE__))
310 # define mem_d(x) util_memory_d((void*)(x), __LINE__, __FILE__)
311 # define mem_r(x, n) util_memory_r((void*)(x), (n), __LINE__, __FILE__)
314 /* New flexible vector implementation from Dale */
315 #define _vec_raw(A) (((size_t*)(void*)(A)) - 2)
316 #define _vec_beg(A) (_vec_raw(A)[0])
317 #define _vec_end(A) (_vec_raw(A)[1])
318 #define _vec_needsgrow(A,N) ((!(A)) || (_vec_end(A) + (N) >= _vec_beg(A)))
319 #define _vec_mightgrow(A,N) (_vec_needsgrow((A), (N)) ? (void)_vec_forcegrow((A),(N)) : (void)0)
320 #define _vec_forcegrow(A,N) _util_vec_grow(((void**)&(A)), (N), sizeof(*(A)))
321 #define _vec_remove(A,S,I,N) (memmove((char*)(A)+(I)*(S),(char*)(A)+((I)+(N))*(S),(S)*(_vec_end(A)-(I)-(N))), _vec_end(A)-=(N))
322 void _util_vec_grow(void **a, size_t i, size_t s);
324 /* exposed interface */
325 #define vec_free(A) ((A) ? (mem_d((void*)_vec_raw(A)), (A) = NULL) : 0)
326 #define vec_push(A,V) (_vec_mightgrow((A),1), (A)[_vec_end(A)++] = (V))
327 #define vec_size(A) ((A) ? _vec_end(A) : 0)
328 #define vec_add(A,N) (_vec_mightgrow((A),(N)), _vec_end(A)+=(N), &(A)[_vec_end(A)-(N)])
329 #define vec_last(A) ((A)[_vec_end(A)-1])
330 #define vec_append(A,N,S) memcpy(vec_add((A), (N)), (S), N * sizeof(*(S)))
331 #define vec_remove(A,I,N) _vec_remove((A), sizeof(*(A)), (I), (N))
332 #define vec_pop(A) (_vec_end(A)-=1)
334 /* these are supposed to NOT reallocate */
335 #define vec_shrinkto(A,N) (_vec_end(A) = (N))
336 #define vec_shrinkby(A,N) (_vec_end(A) -= (N))
338 /* vec_upload needs to be cleaned up as well to be a function */
339 #define vec_upload(X,Y,S) \
348 typedef struct hash_table_t {
350 struct hash_node_t **table;
354 * hashtable implementation:
357 * This was designed for pointers: you manage the life of the object yourself
358 * if you do use this for non-pointers please be warned that the object may not
359 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
360 * yourself, or put those in global scope to ensure duration is for the whole
363 * util_htnew(size) -- to make a new hashtable
364 * util_htset(table, key, value, sizeof(value)) -- to set something in the table
365 * util_htget(table, key) -- to get something from the table
366 * util_htdel(table) -- to delete the table
370 * ht foo = util_htnew(1024);
372 * char *test = "hello world\n";
373 * util_htset(foo, "foo", (void*)&data);
374 * util_gtset(foo, "bar", (void*)test);
376 * printf("foo: %d, bar %s",
377 * *((int *)util_htget(foo, "foo")),
378 * ((char*)util_htget(foo, "bar"))
383 hash_table_t *util_htnew (size_t size);
384 void util_htset (hash_table_t *ht, const char *key, void *value);
385 void *util_htget (hash_table_t *ht, const char *key);
386 void util_htdel (hash_table_t *ht);
387 size_t util_hthash(hash_table_t *ht, const char *key);
388 void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
389 void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
390 /*===================================================================*/
391 /*=========================== code.c ================================*/
392 /*===================================================================*/
394 /* Note: if you change the order, fix type_sizeof in ir.c */
413 /* const/var qualifiers */
417 #define CV_WRONG 0x8000 /* magic number to help parsing */
419 extern const char *type_name [TYPE_COUNT];
420 extern uint16_t type_store_instr [TYPE_COUNT];
421 extern uint16_t field_store_instr[TYPE_COUNT];
424 * could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
425 * but this breaks when TYPE_INTEGER is added, since with the enhanced
426 * instruction set, the old ones are left untouched, thus the _I instructions
427 * are at a seperate place.
429 extern uint16_t type_storep_instr[TYPE_COUNT];
430 extern uint16_t type_eq_instr [TYPE_COUNT];
431 extern uint16_t type_ne_instr [TYPE_COUNT];
432 extern uint16_t type_not_instr [TYPE_COUNT];
435 uint32_t offset; /* Offset in file of where data begins */
436 uint32_t length; /* Length of section (how many of) */
440 uint32_t version; /* Program version (6) */
444 prog_section statements; /* prog_section_statement */
445 prog_section defs; /* prog_section_def */
446 prog_section fields; /* prog_section_field */
447 prog_section functions; /* prog_section_function */
448 prog_section strings;
449 prog_section globals;
450 uint32_t entfield; /* Number of entity fields */
454 * Each paramater incerements by 3 since vector types hold
455 * 3 components (x,y,z).
459 #define OFS_PARM0 (OFS_RETURN+3)
460 #define OFS_PARM1 (OFS_PARM0 +3)
461 #define OFS_PARM2 (OFS_PARM1 +3)
462 #define OFS_PARM3 (OFS_PARM2 +3)
463 #define OFS_PARM4 (OFS_PARM3 +3)
464 #define OFS_PARM5 (OFS_PARM4 +3)
465 #define OFS_PARM6 (OFS_PARM5 +3)
466 #define OFS_PARM7 (OFS_PARM6 +3)
473 int16_t s1; /* signed */
474 uint16_t u1; /* unsigned */
478 int16_t s1; /* signed */
479 uint16_t u1; /* unsigned */
483 int16_t s1; /* signed */
484 uint16_t u1; /* unsigned */
488 * This is the same as the structure in darkplaces
493 * But this one is more sane to work with, and the
494 * type sizes are guranteed.
496 } prog_section_statement;
508 * 7 = ev_pointer -- engine only
509 * 8 = ev_bad -- engine only
516 typedef prog_section_both prog_section_def;
517 typedef prog_section_both prog_section_field;
519 /* this is ORed to the type */
520 #define DEF_SAVEGLOBAL (1<<15)
521 #define DEF_TYPEMASK ((1<<15)-1)
524 int32_t entry; /* in statement table for instructions */
525 uint32_t firstlocal; /* First local in local table */
526 uint32_t locals; /* Total ints of params + locals */
527 uint32_t profile; /* Always zero (engine uses this) */
528 uint32_t name; /* name of function in string table */
529 uint32_t file; /* file of the source file */
530 int32_t nargs; /* number of arguments */
531 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
532 } prog_section_function;
536 * These are the external instructions supported by the interperter
537 * this is what things compile to (from the C code).
543 INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
544 INSTR_MUL_VF, /* and here: B != C */
608 * Virtual instructions used by the assembler
609 * keep at the end but before virtual instructions
615 * Virtual instructions used by the IR
621 /* A never returning CALL.
622 * Creating this causes IR blocks to be marked as 'final'.
628 /* TODO: cleanup this mess */
629 extern prog_section_statement *code_statements;
630 extern int *code_linenums;
631 extern prog_section_def *code_defs;
632 extern prog_section_field *code_fields;
633 extern prog_section_function *code_functions;
634 extern int *code_globals;
635 extern char *code_chars;
636 extern uint16_t code_crc;
639 typedef float qcfloat;
640 typedef int32_t qcint;
643 * code_write -- writes out the compiled file
644 * code_init -- prepares the code file
646 bool code_write (const char *filename, const char *lno);
648 uint32_t code_genstring (const char *string);
649 uint32_t code_cachedstring(const char *string);
650 qcint code_alloc_field (size_t qcsize);
652 /* this function is used to keep statements and linenumbers together */
653 void code_push_statement(prog_section_statement *stmt, int linenum);
654 void code_pop_statement();
657 * A shallow copy of a lex_file to remember where which ast node
665 /*===================================================================*/
666 /*============================ con.c ================================*/
667 /*===================================================================*/
686 void con_vprintmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, va_list ap);
687 void con_printmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, ...);
688 void con_cvprintmsg(void *ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
689 void con_cprintmsg (void *ctx, int lvl, const char *msgtype, const char *msg, ...);
694 void con_color (int);
695 int con_change(const char *, const char *);
696 int con_verr (const char *, va_list);
697 int con_vout (const char *, va_list);
698 int con_err (const char *, ...);
699 int con_out (const char *, ...);
701 /* error/warning interface */
702 extern size_t compile_errors;
703 extern size_t compile_warnings;
705 void /********/ compile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, ...);
706 void /********/ vcompile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
707 bool GMQCC_WARN compile_warning (lex_ctx ctx, int warntype, const char *fmt, ...);
708 bool GMQCC_WARN vcompile_warning(lex_ctx ctx, int warntype, const char *fmt, va_list ap);
710 /*===================================================================*/
711 /*========================= assembler.c =============================*/
712 /*===================================================================*/
713 /* TODO: remove this ... */
714 static const struct {
715 const char *m; /* menomic */
716 const size_t o; /* operands */
717 const size_t l; /* menomic len */
743 { "FIELD_F" , 0, 7 },
744 { "FIELD_V" , 0, 7 },
745 { "FIELD_S" , 0, 7 },
746 { "FIELD_ENT" , 0, 9 },
747 { "FIELD_FLD" , 0, 9 },
748 { "FIELD_FNC" , 0, 9 },
749 { "ADDRESS" , 0, 7 },
750 { "STORE_F" , 0, 7 },
751 { "STORE_V" , 0, 7 },
752 { "STORE_S" , 0, 7 },
753 { "STORE_ENT" , 0, 9 },
754 { "STORE_FLD" , 0, 9 },
755 { "STORE_FNC" , 0, 9 },
756 { "STOREP_F" , 0, 8 },
757 { "STOREP_V" , 0, 8 },
758 { "STOREP_S" , 0, 8 },
759 { "STOREP_ENT", 0, 10},
760 { "STOREP_FLD", 0, 10},
761 { "STOREP_FNC", 0, 10},
766 { "NOT_ENT" , 0, 7 },
767 { "NOT_FNC" , 0, 7 },
786 { "END" , 0, 3 } /* virtual assembler instruction */
788 /*===================================================================*/
789 /*============================= ir.c ================================*/
790 /*===================================================================*/
794 store_local, /* local, assignable for now, should get promoted later */
795 store_param, /* parameters, they are locals with a fixed position */
796 store_value, /* unassignable */
797 store_return /* unassignable, at OFS_RETURN */
804 vector vec3_add (vector, vector);
805 vector vec3_sub (vector, vector);
806 qcfloat vec3_mulvv(vector, vector);
807 vector vec3_mulvf(vector, float);
809 /*===================================================================*/
810 /*============================= exec.c ==============================*/
811 /*===================================================================*/
814 * Darkplaces has (or will have) a 64 bit prog loader
815 * where the 32 bit qc program is autoconverted on load.
816 * Since we may want to support that as well, let's redefine
817 * float and int here.
829 typedef char qcfloat_size_is_correct [sizeof(qcfloat) == 4 ?1:-1];
830 typedef char qcint_size_is_correct [sizeof(qcint) == 4 ?1:-1];
834 VMERR_TEMPSTRING_ALLOC,
839 #define VM_JUMPS_DEFAULT 1000000
842 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
843 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
844 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
848 typedef int (*prog_builtin)(struct qc_program_s *prog);
853 prog_section_function *function;
856 typedef struct qc_program_s {
859 prog_section_statement *code;
860 prog_section_def *defs;
861 prog_section_def *fields;
862 prog_section_function *functions;
868 const char* *function_stack;
872 size_t tempstring_start;
873 size_t tempstring_at;
879 prog_builtin *builtins;
880 size_t builtins_count;
885 bool allowworldwrites;
888 qc_exec_stack *stack;
893 int argc; /* current arg count for debugging */
896 qc_program* prog_load(const char *filename);
897 void prog_delete(qc_program *prog);
899 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps);
901 char* prog_getstring (qc_program *prog, qcint str);
902 prog_section_def* prog_entfield (qc_program *prog, qcint off);
903 prog_section_def* prog_getdef (qc_program *prog, qcint off);
904 qcany* prog_getedict (qc_program *prog, qcint e);
905 qcint prog_tempstring(qc_program *prog, const char *_str);
908 /*===================================================================*/
909 /*===================== parser.c commandline ========================*/
910 /*===================================================================*/
913 bool parser_compile_file (const char *filename);
914 bool parser_compile_string(const char *name, const char *str);
915 bool parser_finish (const char *output);
916 void parser_cleanup ();
917 /* There's really no need to strlen() preprocessed files */
918 bool parser_compile_string_len(const char *name, const char *str, size_t len);
920 /*===================================================================*/
921 /*====================== ftepp.c commandline ========================*/
922 /*===================================================================*/
924 bool ftepp_preprocess_file (const char *filename);
925 bool ftepp_preprocess_string(const char *name, const char *str);
926 void ftepp_finish ();
927 const char *ftepp_get ();
929 void ftepp_add_define (const char *source, const char *name);
930 void ftepp_add_macro (const char *name, const char *value);
932 /*===================================================================*/
933 /*======================= main.c commandline ========================*/
934 /*===================================================================*/
937 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
938 * to 32 or 64 -f options...
941 size_t idx; /* index into an array of 32 bit words */
942 uint8_t bit; /* index _into_ the 32 bit word, thus just uint8 */
944 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
946 typedef uint32_t longbit;
947 #define LONGBIT(bit) (bit)
950 /*===================================================================*/
951 /*============================= opts.c ==============================*/
952 /*===================================================================*/
958 bool opts_setflag (const char *, bool);
959 bool opts_setwarn (const char *, bool);
960 bool opts_setwerror(const char *, bool);
961 bool opts_setoptim (const char *, bool);
963 void opts_init (const char *, int, size_t);
964 void opts_set (uint32_t *, size_t, bool);
965 void opts_setoptimlevel(unsigned int);
966 void opts_ini_init (const char *);
969 # define GMQCC_TYPE_FLAGS
970 # define GMQCC_DEFINE_FLAG(X) X,
974 static const opts_flag_def opts_flag_list[] = {
975 # define GMQCC_TYPE_FLAGS
976 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(X) },
982 # define GMQCC_TYPE_WARNS
983 # define GMQCC_DEFINE_FLAG(X) WARN_##X,
987 static const opts_flag_def opts_warn_list[] = {
988 # define GMQCC_TYPE_WARNS
989 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(WARN_##X) },
995 # define GMQCC_TYPE_OPTIMIZATIONS
996 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
1000 static const opts_flag_def opts_opt_list[] = {
1001 # define GMQCC_TYPE_OPTIMIZATIONS
1002 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) { #NAME, LONGBIT(OPTIM_##NAME) },
1003 # include "opts.def"
1004 { NULL, LONGBIT(0) }
1006 static const unsigned int opts_opt_oflag[] = {
1007 # define GMQCC_TYPE_OPTIMIZATIONS
1008 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) MIN_O,
1009 # include "opts.def"
1012 extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
1014 /* other options: */
1016 COMPILER_QCC, /* circa QuakeC */
1017 COMPILER_FTEQCC, /* fteqcc QuakeC */
1018 COMPILER_QCCX, /* qccx QuakeC */
1019 COMPILER_GMQCC /* this QuakeC */
1023 uint32_t O; /* -Ox */
1024 const char *output; /* -o file */
1026 opts_std_t standard; /* -std= */
1027 bool debug; /* -debug */
1028 bool memchk; /* -memchk */
1029 bool dumpfin; /* -dumpfin */
1030 bool dump; /* -dump */
1031 bool forcecrc; /* --force-crc= */
1032 uint16_t forced_crc; /* --force-crc= */
1033 bool pp_only; /* -E */
1034 size_t max_array_size; /* --max-array= */
1036 uint32_t flags [1 + (COUNT_FLAGS / 32)];
1037 uint32_t warn [1 + (COUNT_WARNINGS / 32)];
1038 uint32_t werror [1 + (COUNT_WARNINGS / 32)];
1039 uint32_t optimization[1 + (COUNT_OPTIMIZATIONS / 32)];
1042 extern opts_cmd_t opts;
1044 /*===================================================================*/
1045 #define OPTS_FLAG(i) (!! (opts.flags [(i)/32] & (1<< ((i)%32))))
1046 #define OPTS_WARN(i) (!! (opts.warn [(i)/32] & (1<< ((i)%32))))
1047 #define OPTS_WERROR(i) (!! (opts.werror [(i)/32] & (1<< ((i)%32))))
1048 #define OPTS_OPTIMIZATION(i) (!! (opts.optimization[(i)/32] & (1<< ((i)%32))))