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 */
43 #define GMQCC_VERSION_MAJOR 0
44 #define GMQCC_VERSION_MINOR 2
45 #define GMQCC_VERSION_PATCH 0
46 #define GMQCC_VERSION_BUILD(J,N,P) (((J)<<16)|((N)<<8)|(P))
47 #define GMQCC_VERSION \
48 GMQCC_VERSION_BUILD(GMQCC_VERSION_MAJOR, GMQCC_VERSION_MINOR, GMQCC_VERSION_PATCH)
51 * We cannoy rely on C99 at all, since compilers like MSVC
52 * simply don't support it. We define our own boolean type
53 * as a result (since we cannot include <stdbool.h>). For
54 * compilers that are in 1999 mode (C99 compliant) we can use
55 * the language keyword _Bool which can allow for better code
56 * on GCC and GCC-like compilers, opposed to `int`.
67 # ifdef __STDC_VERSION__
68 # if __STDC_VERSION__ < 199901L && __GNUC__ < 3
75 # endif /* !__STDC_VERSION__ */
76 #endif /* !__cplusplus */
81 * Of some functions which are generated we want to make sure
82 * that the result isn't ignored. To find such function calls,
85 #if defined(__GNUC__) || defined(__CLANG__)
86 # define GMQCC_WARN __attribute__((warn_unused_result))
91 * This is a hack to silent clang regarding empty
94 #define GMQCC_SUPPRESS_EMPTY_BODY do { } while (0)
97 * Inline is not supported in < C90, however some compilers
98 * like gcc and clang might have an inline attribute we can
101 #ifdef __STDC_VERSION__
102 # if __STDC_VERSION__ < 199901L
103 # if defined(__GNUC__) || defined (__CLANG__)
105 # define GMQCC_INLINE
107 # define GMQCC_INLINE __attribute__ ((always_inline))
110 # define GMQCC_INLINE
113 # define GMQCC_INLINE inline
116 * Visual studio has __forcinline we can use. So lets use that
117 * I suspect it also has just __inline of some sort, but our use
118 * of inline is correct (not guessed), WE WANT IT TO BE INLINE
120 #elif defined(_MSC_VER)
121 # define GMQCC_INLINE __forceinline
123 # define GMQCC_INLINE
124 #endif /* !__STDC_VERSION__ */
127 * noreturn is present in GCC and clang
128 * it's required for _ast_node_destory otherwise -Wmissing-noreturn
129 * in clang complains about there being no return since abort() is
132 #if (defined(__GNUC__) && __GNUC__ >= 2) || defined(__CLANG__)
133 # define GMQCC_NORETURN __attribute__ ((noreturn))
135 # define GMQCC_NORETURN
141 typedef unsigned __int8 uint8_t;
142 typedef unsigned __int16 uint16_t;
143 typedef unsigned __int32 uint32_t;
144 typedef unsigned __int64 uint64_t;
146 typedef __int16 int16_t;
147 typedef __int32 int32_t;
148 typedef __int64 int64_t;
152 *windows makes these prefixed because they're C99
153 * TODO: utility versions that are type-safe and not
154 * just plain textual subsitution.
157 # define snprintf(X, Y, Z, ...) _snprintf(X, Y, Z, __VA_ARGS__)
158 /* strtof doesn't exist -> strtod does though :) */
159 # define strtof(X, Y) (float)(strtod(X, Y))
163 * Very roboust way at determining endianess at compile time: this handles
164 * almost every possible situation. Otherwise a runtime check has to be
167 #define GMQCC_BYTE_ORDER_LITTLE 1234
168 #define GMQCC_BYTE_ORDER_BIG 4321
170 #if defined (__GNUC__) || defined (__GNU_LIBRARY__)
171 # if defined (__FreeBSD__) || defined (__OpenBSD__)
172 # include <sys/endian.h>
173 # elif defined (BSD) && (BSD >= 199103) || defined (__DJGPP__) || defined (__CYGWIN32__)
174 # include <machine/endiane.h>
175 # elif defined (__APPLE__)
176 # if defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN)
178 # elif defined (__LITTLE_ENDIAN__) && !defined (LITTLE_ENDIAN)
179 # define LITTLE_ENDIAN
181 # elif !defined (__MINGW32__)
183 # if !defined (__BEOS__)
184 # include <byteswap.h>
188 #if !defined(PLATFORM_BYTE_ORDER)
189 # if defined (LITTLE_ENDIAN) || defined (BIG_ENDIAN)
190 # if defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN)
191 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
192 # elif !defined (LITTLE_ENDIAN) && defined (BIG_ENDIAN)
193 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
194 # elif defined (BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
195 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
196 # elif defined (BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)
197 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
199 # elif defined (_LITTLE_ENDIAN) || defined (_BIG_ENDIAN)
200 # if defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
201 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
202 # elif !defined (_LITTLE_ENDIAN) && defined (_BIG_ENDIAN)
203 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
204 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _LITTLE_ENDIAN)
205 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
206 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)
207 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
209 # elif defined (__LITTLE_ENDIAN__) || defined (__BIG_ENDIAN__)
210 # if defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__)
211 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
212 # elif !defined (__LITTLE_ENDIAN__) && defined (__BIG_ENDIAN__)
213 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
214 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __LITTLE_ENDIAN__)
215 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
216 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__)
217 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
221 #if !defined (PLATFORM_BYTE_ORDER)
222 # if defined (__alpha__) || defined (__alpha) || defined (i386) || \
223 defined (__i386__) || defined (_M_I86) || defined (_M_IX86) || \
224 defined (__OS2__) || defined (sun386) || defined (__TURBOC__) || \
225 defined (vax) || defined (vms) || defined (VMS) || \
226 defined (__VMS) || defined (__x86_64__) || defined (_M_IA64) || \
227 defined (_M_X64) || defined (__i386) || defined (__x86_64)
228 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
229 # elif defined (AMIGA) || defined (applec) || defined (__AS400__) || \
230 defined (_CRAY) || defined (__hppa) || defined (__hp9000) || \
231 defined (ibm370) || defined (mc68000) || defined (m68k) || \
232 defined (__MRC__) || defined (__MVS__) || defined (__MWERKS__) || \
233 defined (sparc) || defined (__sparc) || defined (SYMANTEC_C) || \
234 defined (__TANDEM) || defined (THINK_C) || defined (__VMCMS__) || \
235 defined (__PPC__) || defined (__PPC) || defined (PPC)
236 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
238 # define PLATFORM_BYTE_ORDER -1
244 /*===================================================================*/
245 /*=========================== util.c ================================*/
246 /*===================================================================*/
247 void *util_memory_a (size_t, unsigned int, const char *);
248 void util_memory_d (void *, unsigned int, const char *);
249 void *util_memory_r (void *, size_t, unsigned int, const char *);
250 void util_meminfo ();
252 bool util_filexists (const char *);
253 bool util_strupper (const char *);
254 bool util_strdigit (const char *);
255 char *util_strdup (const char *);
256 void util_debug (const char *, const char *, ...);
257 void util_endianswap (void *, size_t, unsigned int);
259 size_t util_strtocmd (const char *, char *, size_t);
260 size_t util_strtononcmd (const char *, char *, size_t);
262 uint16_t util_crc16(uint16_t crc, const char *data, size_t len);
265 * If we're compiling as C++ code we need to fix some subtle issues regarding casts between mem_a/mem_d
266 * since C++ doesn't allow implicit conversions between void*
270 * void * will be implicitally converted to gmqcc_voidptr using gmqcc_voidptr(void*). This is what
271 * essentially allows us to allow implicit conversion to whatever pointer type we're trying to assign
272 * to because it acks as a default assignment constructor.
274 class gmqcc_voidptr {
277 gmqcc_voidptr(void *pointer) :
281 template <typename T>
282 GMQCC_INLINE operator T *() {
287 # define GMQCC_IMPLICIT_POINTER(X) (gmqcc_voidptr(X))
289 # define GMQCC_IMPLICIT_POINTER(X) (X)
293 # define mem_a(x) GMQCC_IMPLICIT_POINTER(malloc (x))
294 # define mem_d(x) free ((void*)x)
295 # define mem_r(x, n) realloc((void*)x, n)
297 # define mem_a(x) GMQCC_IMPLICIT_POINTER(util_memory_a((x), __LINE__, __FILE__))
298 # define mem_d(x) util_memory_d((void*)(x), __LINE__, __FILE__)
299 # define mem_r(x, n) util_memory_r((void*)(x), (n), __LINE__, __FILE__)
302 /** TODO: Cleanup this whole mess {{{ */
304 /* New flexible vector implementation from Dale */
305 #define _vec_raw(A) (((size_t*)(void*)(A)) - 2)
306 #define _vec_beg(A) (_vec_raw(A)[0])
307 #define _vec_end(A) (_vec_raw(A)[1])
308 #define _vec_needsgrow(A,N) ((!(A)) || (_vec_end(A) + (N) >= _vec_beg(A)))
309 #define _vec_mightgrow(A,N) (_vec_needsgrow((A), (N)) ? (void)_vec_forcegrow((A),(N)) : (void)0)
310 #define _vec_forcegrow(A,N) _util_vec_grow(((void**)&(A)), (N), sizeof(*(A)))
311 #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))
312 void _util_vec_grow(void **a, size_t i, size_t s);
314 /* exposed interface */
315 #define vec_free(A) ((A) ? (mem_d((void*)_vec_raw(A)), (A) = NULL) : 0)
316 #define vec_push(A,V) (_vec_mightgrow((A),1), (A)[_vec_end(A)++] = (V))
317 #define vec_size(A) ((A) ? _vec_end(A) : 0)
318 #define vec_add(A,N) (_vec_mightgrow((A),(N)), _vec_end(A)+=(N), &(A)[_vec_end(A)-(N)])
319 #define vec_last(A) ((A)[_vec_end(A)-1])
320 #define vec_append(A,N,S) memcpy(vec_add((A), (N)), (S), N * sizeof(*(S)))
321 #define vec_remove(A,I,N) _vec_remove((A), sizeof(*(A)), (I), (N))
322 #define vec_pop(A) (_vec_end(A)-=1)
324 /* these are supposed to NOT reallocate */
325 #define vec_shrinkto(A,N) (_vec_end(A) = (N))
326 #define vec_shrinkby(A,N) (_vec_end(A) -= (N))
328 /* vec_upload needs to be cleaned up as well to be a function */
329 #define vec_upload(X,Y,S) \
340 typedef struct hash_table_t {
342 struct hash_node_t **table;
346 * hashtable implementation:
349 * This was designed for pointers: you manage the life of the object yourself
350 * if you do use this for non-pointers please be warned that the object may not
351 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
352 * yourself, or put those in global scope to ensure duration is for the whole
355 * util_htnew(size) -- to make a new hashtable
356 * util_htset(table, key, value, sizeof(value)) -- to set something in the table
357 * util_htget(table, key) -- to get something from the table
358 * util_htdel(table) -- to delete the table
362 * ht foo = util_htnew(1024);
364 * char *test = "hello world\n";
365 * util_htset(foo, "foo", (void*)&data);
366 * util_gtset(foo, "bar", (void*)test);
368 * printf("foo: %d, bar %s",
369 * *((int *)util_htget(foo, "foo")),
370 * ((char*)util_htget(foo, "bar"))
375 hash_table_t *util_htnew (size_t size);
376 void util_htset (hash_table_t *ht, const char *key, void *value);
377 void *util_htget (hash_table_t *ht, const char *key);
378 void util_htdel (hash_table_t *ht);
379 size_t util_hthash(hash_table_t *ht, const char *key);
380 void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
381 void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
383 /*===================================================================*/
384 /*============================ file.c ===============================*/
385 /*===================================================================*/
386 void GMQCC_INLINE file_close (FILE *);
388 int GMQCC_INLINE file_error (FILE *);
389 int GMQCC_INLINE file_getc (FILE *);
390 int GMQCC_INLINE file_printf (FILE *, const char *, ...);
391 int GMQCC_INLINE file_puts (FILE *, const char *);
392 int GMQCC_INLINE file_seek (FILE *, long int, int);
394 size_t GMQCC_INLINE file_read (void *, size_t, size_t, FILE *);
395 size_t GMQCC_INLINE file_write (const void *, size_t, size_t, FILE *);
397 FILE* GMQCC_INLINE file_open (const char *, const char *);
399 int /*NO_INLINE*/ file_getline(char **, size_t *, FILE *);
402 /*===================================================================*/
403 /*=========================== code.c ================================*/
404 /*===================================================================*/
407 /* Note: if you change the order, fix type_sizeof in ir.c */
426 /* const/var qualifiers */
430 #define CV_WRONG 0x8000 /* magic number to help parsing */
432 extern const char *type_name [TYPE_COUNT];
433 extern uint16_t type_store_instr [TYPE_COUNT];
434 extern uint16_t field_store_instr[TYPE_COUNT];
437 * could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
438 * but this breaks when TYPE_INTEGER is added, since with the enhanced
439 * instruction set, the old ones are left untouched, thus the _I instructions
440 * are at a seperate place.
442 extern uint16_t type_storep_instr[TYPE_COUNT];
443 extern uint16_t type_eq_instr [TYPE_COUNT];
444 extern uint16_t type_ne_instr [TYPE_COUNT];
445 extern uint16_t type_not_instr [TYPE_COUNT];
448 uint32_t offset; /* Offset in file of where data begins */
449 uint32_t length; /* Length of section (how many of) */
453 uint32_t version; /* Program version (6) */
457 prog_section statements; /* prog_section_statement */
458 prog_section defs; /* prog_section_def */
459 prog_section fields; /* prog_section_field */
460 prog_section functions; /* prog_section_function */
461 prog_section strings;
462 prog_section globals;
463 uint32_t entfield; /* Number of entity fields */
467 * Each paramater incerements by 3 since vector types hold
468 * 3 components (x,y,z).
472 #define OFS_PARM0 (OFS_RETURN+3)
473 #define OFS_PARM1 (OFS_PARM0 +3)
474 #define OFS_PARM2 (OFS_PARM1 +3)
475 #define OFS_PARM3 (OFS_PARM2 +3)
476 #define OFS_PARM4 (OFS_PARM3 +3)
477 #define OFS_PARM5 (OFS_PARM4 +3)
478 #define OFS_PARM6 (OFS_PARM5 +3)
479 #define OFS_PARM7 (OFS_PARM6 +3)
486 int16_t s1; /* signed */
487 uint16_t u1; /* unsigned */
491 int16_t s1; /* signed */
492 uint16_t u1; /* unsigned */
496 int16_t s1; /* signed */
497 uint16_t u1; /* unsigned */
501 * This is the same as the structure in darkplaces
506 * But this one is more sane to work with, and the
507 * type sizes are guranteed.
509 } prog_section_statement;
521 * 7 = ev_pointer -- engine only
522 * 8 = ev_bad -- engine only
529 typedef prog_section_both prog_section_def;
530 typedef prog_section_both prog_section_field;
532 /* this is ORed to the type */
533 #define DEF_SAVEGLOBAL (1<<15)
534 #define DEF_TYPEMASK ((1<<15)-1)
537 int32_t entry; /* in statement table for instructions */
538 uint32_t firstlocal; /* First local in local table */
539 uint32_t locals; /* Total ints of params + locals */
540 uint32_t profile; /* Always zero (engine uses this) */
541 uint32_t name; /* name of function in string table */
542 uint32_t file; /* file of the source file */
543 int32_t nargs; /* number of arguments */
544 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
545 } prog_section_function;
549 * These are the external instructions supported by the interperter
550 * this is what things compile to (from the C code).
556 INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
557 INSTR_MUL_VF, /* and here: B != C */
621 * Virtual instructions used by the assembler
622 * keep at the end but before virtual instructions
628 * Virtual instructions used by the IR
634 /* A never returning CALL.
635 * Creating this causes IR blocks to be marked as 'final'.
641 /* TODO: cleanup this mess */
642 extern prog_section_statement *code_statements;
643 extern int *code_linenums;
644 extern prog_section_def *code_defs;
645 extern prog_section_field *code_fields;
646 extern prog_section_function *code_functions;
647 extern int *code_globals;
648 extern char *code_chars;
649 extern uint16_t code_crc;
652 typedef float qcfloat;
653 typedef int32_t qcint;
656 * code_write -- writes out the compiled file
657 * code_init -- prepares the code file
659 bool code_write (const char *filename, const char *lno);
661 uint32_t code_genstring (const char *string);
662 uint32_t code_cachedstring(const char *string);
663 qcint code_alloc_field (size_t qcsize);
665 /* this function is used to keep statements and linenumbers together */
666 void code_push_statement(prog_section_statement *stmt, int linenum);
667 void code_pop_statement();
670 * A shallow copy of a lex_file to remember where which ast node
678 /*===================================================================*/
679 /*============================ con.c ================================*/
680 /*===================================================================*/
699 void con_vprintmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, va_list ap);
700 void con_printmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, ...);
701 void con_cvprintmsg(void *ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
702 void con_cprintmsg (void *ctx, int lvl, const char *msgtype, const char *msg, ...);
707 void con_color (int);
708 int con_change(const char *, const char *);
709 int con_verr (const char *, va_list);
710 int con_vout (const char *, va_list);
711 int con_err (const char *, ...);
712 int con_out (const char *, ...);
714 /* error/warning interface */
715 extern size_t compile_errors;
716 extern size_t compile_warnings;
718 void /********/ compile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, ...);
719 void /********/ vcompile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
720 bool GMQCC_WARN compile_warning (lex_ctx ctx, int warntype, const char *fmt, ...);
721 bool GMQCC_WARN vcompile_warning(lex_ctx ctx, int warntype, const char *fmt, va_list ap);
723 /*===================================================================*/
724 /*========================= assembler.c =============================*/
725 /*===================================================================*/
726 /* TODO: remove this ... */
727 static const struct {
728 const char *m; /* menomic */
729 const size_t o; /* operands */
730 const size_t l; /* menomic len */
756 { "FIELD_F" , 0, 7 },
757 { "FIELD_V" , 0, 7 },
758 { "FIELD_S" , 0, 7 },
759 { "FIELD_ENT" , 0, 9 },
760 { "FIELD_FLD" , 0, 9 },
761 { "FIELD_FNC" , 0, 9 },
762 { "ADDRESS" , 0, 7 },
763 { "STORE_F" , 0, 7 },
764 { "STORE_V" , 0, 7 },
765 { "STORE_S" , 0, 7 },
766 { "STORE_ENT" , 0, 9 },
767 { "STORE_FLD" , 0, 9 },
768 { "STORE_FNC" , 0, 9 },
769 { "STOREP_F" , 0, 8 },
770 { "STOREP_V" , 0, 8 },
771 { "STOREP_S" , 0, 8 },
772 { "STOREP_ENT", 0, 10},
773 { "STOREP_FLD", 0, 10},
774 { "STOREP_FNC", 0, 10},
779 { "NOT_ENT" , 0, 7 },
780 { "NOT_FNC" , 0, 7 },
799 { "END" , 0, 3 } /* virtual assembler instruction */
801 /*===================================================================*/
802 /*============================= ir.c ================================*/
803 /*===================================================================*/
807 store_local, /* local, assignable for now, should get promoted later */
808 store_param, /* parameters, they are locals with a fixed position */
809 store_value, /* unassignable */
810 store_return /* unassignable, at OFS_RETURN */
817 vector vec3_add (vector, vector);
818 vector vec3_sub (vector, vector);
819 qcfloat vec3_mulvv(vector, vector);
820 vector vec3_mulvf(vector, float);
822 /*===================================================================*/
823 /*============================= exec.c ==============================*/
824 /*===================================================================*/
828 * Darkplaces has (or will have) a 64 bit prog loader
829 * where the 32 bit qc program is autoconverted on load.
830 * Since we may want to support that as well, let's redefine
831 * float and int here.
843 typedef char qcfloat_size_is_correct [sizeof(qcfloat) == 4 ?1:-1];
844 typedef char qcint_size_is_correct [sizeof(qcint) == 4 ?1:-1];
848 VMERR_TEMPSTRING_ALLOC,
853 #define VM_JUMPS_DEFAULT 1000000
856 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
857 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
858 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
862 typedef int (*prog_builtin)(struct qc_program_s *prog);
867 prog_section_function *function;
870 typedef struct qc_program_s {
873 prog_section_statement *code;
874 prog_section_def *defs;
875 prog_section_def *fields;
876 prog_section_function *functions;
882 const char* *function_stack;
886 size_t tempstring_start;
887 size_t tempstring_at;
893 prog_builtin *builtins;
894 size_t builtins_count;
899 bool allowworldwrites;
902 qc_exec_stack *stack;
907 int argc; /* current arg count for debugging */
910 qc_program* prog_load(const char *filename);
911 void prog_delete(qc_program *prog);
913 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps);
915 char* prog_getstring (qc_program *prog, qcint str);
916 prog_section_def* prog_entfield (qc_program *prog, qcint off);
917 prog_section_def* prog_getdef (qc_program *prog, qcint off);
918 qcany* prog_getedict (qc_program *prog, qcint e);
919 qcint prog_tempstring(qc_program *prog, const char *_str);
922 /*===================================================================*/
923 /*===================== parser.c commandline ========================*/
924 /*===================================================================*/
927 bool parser_compile_file (const char *filename);
928 bool parser_compile_string(const char *name, const char *str);
929 bool parser_finish (const char *output);
930 void parser_cleanup ();
932 /* TODO: make compile_string accept len and remove this */
933 /* There's really no need to strlen() preprocessed files */
934 bool parser_compile_string_len(const char *name, const char *str, size_t len);
936 /*===================================================================*/
937 /*====================== ftepp.c commandline ========================*/
938 /*===================================================================*/
940 bool ftepp_preprocess_file (const char *filename);
941 bool ftepp_preprocess_string(const char *name, const char *str);
942 void ftepp_finish ();
943 const char *ftepp_get ();
945 void ftepp_add_define (const char *source, const char *name);
946 void ftepp_add_macro (const char *name, const char *value);
948 /*===================================================================*/
949 /*======================= main.c commandline ========================*/
950 /*===================================================================*/
953 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
954 * to 32 or 64 -f options...
957 size_t idx; /* index into an array of 32 bit words */
958 uint8_t bit; /* index _into_ the 32 bit word, thus just uint8 */
960 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
962 typedef uint32_t longbit;
963 #define LONGBIT(bit) (bit)
966 /*===================================================================*/
967 /*============================= opts.c ==============================*/
968 /*===================================================================*/
974 bool opts_setflag (const char *, bool);
975 bool opts_setwarn (const char *, bool);
976 bool opts_setwerror(const char *, bool);
977 bool opts_setoptim (const char *, bool);
979 void opts_init (const char *, int, size_t);
980 void opts_set (uint32_t *, size_t, bool);
981 void opts_setoptimlevel(unsigned int);
982 void opts_ini_init (const char *);
985 # define GMQCC_TYPE_FLAGS
986 # define GMQCC_DEFINE_FLAG(X) X,
990 static const opts_flag_def opts_flag_list[] = {
991 # define GMQCC_TYPE_FLAGS
992 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(X) },
998 # define GMQCC_TYPE_WARNS
999 # define GMQCC_DEFINE_FLAG(X) WARN_##X,
1000 # include "opts.def"
1003 static const opts_flag_def opts_warn_list[] = {
1004 # define GMQCC_TYPE_WARNS
1005 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(WARN_##X) },
1006 # include "opts.def"
1007 { NULL, LONGBIT(0) }
1011 # define GMQCC_TYPE_OPTIMIZATIONS
1012 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
1013 # include "opts.def"
1016 static const opts_flag_def opts_opt_list[] = {
1017 # define GMQCC_TYPE_OPTIMIZATIONS
1018 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) { #NAME, LONGBIT(OPTIM_##NAME) },
1019 # include "opts.def"
1020 { NULL, LONGBIT(0) }
1022 static const unsigned int opts_opt_oflag[] = {
1023 # define GMQCC_TYPE_OPTIMIZATIONS
1024 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) MIN_O,
1025 # include "opts.def"
1028 extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
1030 /* other options: */
1032 COMPILER_QCC, /* circa QuakeC */
1033 COMPILER_FTEQCC, /* fteqcc QuakeC */
1034 COMPILER_QCCX, /* qccx QuakeC */
1035 COMPILER_GMQCC /* this QuakeC */
1038 /* TODO: cleanup this */
1040 uint32_t O; /* -Ox */
1041 const char *output; /* -o file */
1043 opts_std_t standard; /* -std= */
1044 bool debug; /* -debug */
1045 bool memchk; /* -memchk */
1046 bool dumpfin; /* -dumpfin */
1047 bool dump; /* -dump */
1048 bool forcecrc; /* --force-crc= */
1049 uint16_t forced_crc; /* --force-crc= */
1050 bool pp_only; /* -E */
1051 size_t max_array_size; /* --max-array= */
1053 uint32_t flags [1 + (COUNT_FLAGS / 32)];
1054 uint32_t warn [1 + (COUNT_WARNINGS / 32)];
1055 uint32_t werror [1 + (COUNT_WARNINGS / 32)];
1056 uint32_t optimization[1 + (COUNT_OPTIMIZATIONS / 32)];
1059 extern opts_cmd_t opts;
1061 #define OPTS_FLAG(i) (!! (opts.flags [(i)/32] & (1<< ((i)%32))))
1062 #define OPTS_WARN(i) (!! (opts.warn [(i)/32] & (1<< ((i)%32))))
1063 #define OPTS_WERROR(i) (!! (opts.werror [(i)/32] & (1<< ((i)%32))))
1064 #define OPTS_OPTIMIZATION(i) (!! (opts.optimization[(i)/32] & (1<< ((i)%32))))