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__)
303 * A flexible vector implementation: all vector pointers contain some
304 * data baout themselfs exactly - sizeof(vector_t) behind the pointer
305 * this data is represented in the structure below. Doing this allows
306 * use to use the array [] to access individual data from the vector
307 * opposed to using set/get methods.
314 /* hidden interface */
315 void _util_vec_grow(void **a, size_t i, size_t s);
316 #define GMQCC_VEC_WILLGROW(X,Y) ( \
317 ((!(X) || vec_meta(X)->used + Y >= vec_meta(X)->allocated)) ? \
318 (void)_util_vec_grow(((void**)&(X)), (Y), sizeof(*(X))) : \
322 /* exposed interface */
323 #define vec_meta(A) (((vector_t*)(A)) - 1)
324 #define vec_free(A) ((A) ? (mem_d((void*)vec_meta(A)), (A) = NULL) : 0)
325 #define vec_push(A,V) (GMQCC_VEC_WILLGROW(A,1), (A)[vec_meta(A)->used++] = V)
326 #define vec_size(A) ((A) ? vec_meta(A)->used : 0)
327 #define vec_add(A,N) (GMQCC_VEC_WILLGROW(A,N), vec_meta(A)->used += (N), &(A)[vec_meta(A)->used-(N)])
328 #define vec_last(A) ((A)[vec_meta(A)->used - 1])
329 #define vec_pop(A) (vec_meta(A)->used -= 1)
330 #define vec_shrinkto(A,N) (vec_meta(A)->used = (N))
331 #define vec_shrinkby(A,N) (vec_meta(A)->used -= (N))
332 #define vec_append(A,N,S) memcpy(vec_add(A, N), S, N * sizeof(*S))
333 #define vec_upload(X,Y,S) memcpy(vec_add(X, S * sizeof(*Y)), Y, S * sizeof(*Y))
334 #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)
336 typedef struct hash_table_t {
338 struct hash_node_t **table;
342 * hashtable implementation:
345 * This was designed for pointers: you manage the life of the object yourself
346 * if you do use this for non-pointers please be warned that the object may not
347 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
348 * yourself, or put those in global scope to ensure duration is for the whole
351 * util_htnew(size) -- to make a new hashtable
352 * util_htset(table, key, value, sizeof(value)) -- to set something in the table
353 * util_htget(table, key) -- to get something from the table
354 * util_htdel(table) -- to delete the table
358 * ht foo = util_htnew(1024);
360 * char *test = "hello world\n";
361 * util_htset(foo, "foo", (void*)&data);
362 * util_gtset(foo, "bar", (void*)test);
364 * printf("foo: %d, bar %s",
365 * *((int *)util_htget(foo, "foo")),
366 * ((char*)util_htget(foo, "bar"))
371 hash_table_t *util_htnew (size_t size);
372 void util_htset (hash_table_t *ht, const char *key, void *value);
373 void *util_htget (hash_table_t *ht, const char *key);
374 void util_htdel (hash_table_t *ht);
375 size_t util_hthash(hash_table_t *ht, const char *key);
376 void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
377 void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
379 /*===================================================================*/
380 /*============================ file.c ===============================*/
381 /*===================================================================*/
382 void GMQCC_INLINE file_close (FILE *);
384 int GMQCC_INLINE file_error (FILE *);
385 int GMQCC_INLINE file_getc (FILE *);
386 int GMQCC_INLINE file_printf (FILE *, const char *, ...);
387 int GMQCC_INLINE file_puts (FILE *, const char *);
388 int GMQCC_INLINE file_seek (FILE *, long int, int);
390 size_t GMQCC_INLINE file_read (void *, size_t, size_t, FILE *);
391 size_t GMQCC_INLINE file_write (const void *, size_t, size_t, FILE *);
393 FILE* GMQCC_INLINE file_open (const char *, const char *);
395 int /*NO_INLINE*/ file_getline(char **, size_t *, FILE *);
398 /*===================================================================*/
399 /*=========================== code.c ================================*/
400 /*===================================================================*/
403 /* Note: if you change the order, fix type_sizeof in ir.c */
422 /* const/var qualifiers */
426 #define CV_WRONG 0x8000 /* magic number to help parsing */
428 extern const char *type_name [TYPE_COUNT];
429 extern uint16_t type_store_instr [TYPE_COUNT];
430 extern uint16_t field_store_instr[TYPE_COUNT];
433 * could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
434 * but this breaks when TYPE_INTEGER is added, since with the enhanced
435 * instruction set, the old ones are left untouched, thus the _I instructions
436 * are at a seperate place.
438 extern uint16_t type_storep_instr[TYPE_COUNT];
439 extern uint16_t type_eq_instr [TYPE_COUNT];
440 extern uint16_t type_ne_instr [TYPE_COUNT];
441 extern uint16_t type_not_instr [TYPE_COUNT];
444 uint32_t offset; /* Offset in file of where data begins */
445 uint32_t length; /* Length of section (how many of) */
449 uint32_t version; /* Program version (6) */
453 prog_section statements; /* prog_section_statement */
454 prog_section defs; /* prog_section_def */
455 prog_section fields; /* prog_section_field */
456 prog_section functions; /* prog_section_function */
457 prog_section strings;
458 prog_section globals;
459 uint32_t entfield; /* Number of entity fields */
463 * Each paramater incerements by 3 since vector types hold
464 * 3 components (x,y,z).
468 #define OFS_PARM0 (OFS_RETURN+3)
469 #define OFS_PARM1 (OFS_PARM0 +3)
470 #define OFS_PARM2 (OFS_PARM1 +3)
471 #define OFS_PARM3 (OFS_PARM2 +3)
472 #define OFS_PARM4 (OFS_PARM3 +3)
473 #define OFS_PARM5 (OFS_PARM4 +3)
474 #define OFS_PARM6 (OFS_PARM5 +3)
475 #define OFS_PARM7 (OFS_PARM6 +3)
482 int16_t s1; /* signed */
483 uint16_t u1; /* unsigned */
487 int16_t s1; /* signed */
488 uint16_t u1; /* unsigned */
492 int16_t s1; /* signed */
493 uint16_t u1; /* unsigned */
497 * This is the same as the structure in darkplaces
502 * But this one is more sane to work with, and the
503 * type sizes are guranteed.
505 } prog_section_statement;
517 * 7 = ev_pointer -- engine only
518 * 8 = ev_bad -- engine only
525 typedef prog_section_both prog_section_def;
526 typedef prog_section_both prog_section_field;
528 /* this is ORed to the type */
529 #define DEF_SAVEGLOBAL (1<<15)
530 #define DEF_TYPEMASK ((1<<15)-1)
533 int32_t entry; /* in statement table for instructions */
534 uint32_t firstlocal; /* First local in local table */
535 uint32_t locals; /* Total ints of params + locals */
536 uint32_t profile; /* Always zero (engine uses this) */
537 uint32_t name; /* name of function in string table */
538 uint32_t file; /* file of the source file */
539 int32_t nargs; /* number of arguments */
540 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
541 } prog_section_function;
545 * These are the external instructions supported by the interperter
546 * this is what things compile to (from the C code).
552 INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
553 INSTR_MUL_VF, /* and here: B != C */
617 * Virtual instructions used by the assembler
618 * keep at the end but before virtual instructions
624 * Virtual instructions used by the IR
630 /* A never returning CALL.
631 * Creating this causes IR blocks to be marked as 'final'.
637 /* TODO: cleanup this mess */
638 extern prog_section_statement *code_statements;
639 extern int *code_linenums;
640 extern prog_section_def *code_defs;
641 extern prog_section_field *code_fields;
642 extern prog_section_function *code_functions;
643 extern int *code_globals;
644 extern char *code_chars;
645 extern uint16_t code_crc;
648 typedef float qcfloat;
649 typedef int32_t qcint;
652 * code_write -- writes out the compiled file
653 * code_init -- prepares the code file
655 bool code_write (const char *filename, const char *lno);
657 uint32_t code_genstring (const char *string);
658 uint32_t code_cachedstring(const char *string);
659 qcint code_alloc_field (size_t qcsize);
661 /* this function is used to keep statements and linenumbers together */
662 void code_push_statement(prog_section_statement *stmt, int linenum);
663 void code_pop_statement();
666 * A shallow copy of a lex_file to remember where which ast node
674 /*===================================================================*/
675 /*============================ con.c ================================*/
676 /*===================================================================*/
695 void con_vprintmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, va_list ap);
696 void con_printmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, ...);
697 void con_cvprintmsg(void *ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
698 void con_cprintmsg (void *ctx, int lvl, const char *msgtype, const char *msg, ...);
703 void con_color (int);
704 int con_change(const char *, const char *);
705 int con_verr (const char *, va_list);
706 int con_vout (const char *, va_list);
707 int con_err (const char *, ...);
708 int con_out (const char *, ...);
710 /* error/warning interface */
711 extern size_t compile_errors;
712 extern size_t compile_warnings;
714 void /********/ compile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, ...);
715 void /********/ vcompile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
716 bool GMQCC_WARN compile_warning (lex_ctx ctx, int warntype, const char *fmt, ...);
717 bool GMQCC_WARN vcompile_warning(lex_ctx ctx, int warntype, const char *fmt, va_list ap);
719 /*===================================================================*/
720 /*========================= assembler.c =============================*/
721 /*===================================================================*/
722 /* TODO: remove this ... */
723 static const struct {
724 const char *m; /* menomic */
725 const size_t o; /* operands */
726 const size_t l; /* menomic len */
752 { "FIELD_F" , 0, 7 },
753 { "FIELD_V" , 0, 7 },
754 { "FIELD_S" , 0, 7 },
755 { "FIELD_ENT" , 0, 9 },
756 { "FIELD_FLD" , 0, 9 },
757 { "FIELD_FNC" , 0, 9 },
758 { "ADDRESS" , 0, 7 },
759 { "STORE_F" , 0, 7 },
760 { "STORE_V" , 0, 7 },
761 { "STORE_S" , 0, 7 },
762 { "STORE_ENT" , 0, 9 },
763 { "STORE_FLD" , 0, 9 },
764 { "STORE_FNC" , 0, 9 },
765 { "STOREP_F" , 0, 8 },
766 { "STOREP_V" , 0, 8 },
767 { "STOREP_S" , 0, 8 },
768 { "STOREP_ENT", 0, 10},
769 { "STOREP_FLD", 0, 10},
770 { "STOREP_FNC", 0, 10},
775 { "NOT_ENT" , 0, 7 },
776 { "NOT_FNC" , 0, 7 },
795 { "END" , 0, 3 } /* virtual assembler instruction */
797 /*===================================================================*/
798 /*============================= ir.c ================================*/
799 /*===================================================================*/
803 store_local, /* local, assignable for now, should get promoted later */
804 store_param, /* parameters, they are locals with a fixed position */
805 store_value, /* unassignable */
806 store_return /* unassignable, at OFS_RETURN */
813 vector vec3_add (vector, vector);
814 vector vec3_sub (vector, vector);
815 qcfloat vec3_mulvv(vector, vector);
816 vector vec3_mulvf(vector, float);
818 /*===================================================================*/
819 /*============================= exec.c ==============================*/
820 /*===================================================================*/
824 * Darkplaces has (or will have) a 64 bit prog loader
825 * where the 32 bit qc program is autoconverted on load.
826 * Since we may want to support that as well, let's redefine
827 * float and int here.
839 typedef char qcfloat_size_is_correct [sizeof(qcfloat) == 4 ?1:-1];
840 typedef char qcint_size_is_correct [sizeof(qcint) == 4 ?1:-1];
844 VMERR_TEMPSTRING_ALLOC,
849 #define VM_JUMPS_DEFAULT 1000000
852 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
853 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
854 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
858 typedef int (*prog_builtin)(struct qc_program_s *prog);
863 prog_section_function *function;
866 typedef struct qc_program_s {
869 prog_section_statement *code;
870 prog_section_def *defs;
871 prog_section_def *fields;
872 prog_section_function *functions;
878 const char* *function_stack;
882 size_t tempstring_start;
883 size_t tempstring_at;
889 prog_builtin *builtins;
890 size_t builtins_count;
895 bool allowworldwrites;
898 qc_exec_stack *stack;
903 int argc; /* current arg count for debugging */
906 qc_program* prog_load(const char *filename);
907 void prog_delete(qc_program *prog);
909 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps);
911 char* prog_getstring (qc_program *prog, qcint str);
912 prog_section_def* prog_entfield (qc_program *prog, qcint off);
913 prog_section_def* prog_getdef (qc_program *prog, qcint off);
914 qcany* prog_getedict (qc_program *prog, qcint e);
915 qcint prog_tempstring(qc_program *prog, const char *_str);
918 /*===================================================================*/
919 /*===================== parser.c commandline ========================*/
920 /*===================================================================*/
923 bool parser_compile_file (const char *filename);
924 bool parser_compile_string(const char *name, const char *str);
925 bool parser_finish (const char *output);
926 void parser_cleanup ();
928 /* TODO: make compile_string accept len and remove this */
929 /* There's really no need to strlen() preprocessed files */
930 bool parser_compile_string_len(const char *name, const char *str, size_t len);
932 /*===================================================================*/
933 /*====================== ftepp.c commandline ========================*/
934 /*===================================================================*/
936 bool ftepp_preprocess_file (const char *filename);
937 bool ftepp_preprocess_string(const char *name, const char *str);
938 void ftepp_finish ();
939 const char *ftepp_get ();
941 void ftepp_add_define (const char *source, const char *name);
942 void ftepp_add_macro (const char *name, const char *value);
944 /*===================================================================*/
945 /*======================= main.c commandline ========================*/
946 /*===================================================================*/
949 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
950 * to 32 or 64 -f options...
953 size_t idx; /* index into an array of 32 bit words */
954 uint8_t bit; /* index _into_ the 32 bit word, thus just uint8 */
956 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
958 typedef uint32_t longbit;
959 #define LONGBIT(bit) (bit)
962 /*===================================================================*/
963 /*============================= opts.c ==============================*/
964 /*===================================================================*/
970 bool opts_setflag (const char *, bool);
971 bool opts_setwarn (const char *, bool);
972 bool opts_setwerror(const char *, bool);
973 bool opts_setoptim (const char *, bool);
975 void opts_init (const char *, int, size_t);
976 void opts_set (uint32_t *, size_t, bool);
977 void opts_setoptimlevel(unsigned int);
978 void opts_ini_init (const char *);
981 # define GMQCC_TYPE_FLAGS
982 # define GMQCC_DEFINE_FLAG(X) X,
986 static const opts_flag_def opts_flag_list[] = {
987 # define GMQCC_TYPE_FLAGS
988 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(X) },
994 # define GMQCC_TYPE_WARNS
995 # define GMQCC_DEFINE_FLAG(X) WARN_##X,
999 static const opts_flag_def opts_warn_list[] = {
1000 # define GMQCC_TYPE_WARNS
1001 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(WARN_##X) },
1002 # include "opts.def"
1003 { NULL, LONGBIT(0) }
1007 # define GMQCC_TYPE_OPTIMIZATIONS
1008 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
1009 # include "opts.def"
1012 static const opts_flag_def opts_opt_list[] = {
1013 # define GMQCC_TYPE_OPTIMIZATIONS
1014 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) { #NAME, LONGBIT(OPTIM_##NAME) },
1015 # include "opts.def"
1016 { NULL, LONGBIT(0) }
1018 static const unsigned int opts_opt_oflag[] = {
1019 # define GMQCC_TYPE_OPTIMIZATIONS
1020 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) MIN_O,
1021 # include "opts.def"
1024 extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
1026 /* other options: */
1028 COMPILER_QCC, /* circa QuakeC */
1029 COMPILER_FTEQCC, /* fteqcc QuakeC */
1030 COMPILER_QCCX, /* qccx QuakeC */
1031 COMPILER_GMQCC /* this QuakeC */
1034 /* TODO: cleanup this */
1036 uint32_t O; /* -Ox */
1037 const char *output; /* -o file */
1039 opts_std_t standard; /* -std= */
1040 bool debug; /* -debug */
1041 bool memchk; /* -memchk */
1042 bool dumpfin; /* -dumpfin */
1043 bool dump; /* -dump */
1044 bool forcecrc; /* --force-crc= */
1045 uint16_t forced_crc; /* --force-crc= */
1046 bool pp_only; /* -E */
1047 size_t max_array_size; /* --max-array= */
1049 uint32_t flags [1 + (COUNT_FLAGS / 32)];
1050 uint32_t warn [1 + (COUNT_WARNINGS / 32)];
1051 uint32_t werror [1 + (COUNT_WARNINGS / 32)];
1052 uint32_t optimization[1 + (COUNT_OPTIMIZATIONS / 32)];
1055 extern opts_cmd_t opts;
1057 #define OPTS_FLAG(i) (!! (opts.flags [(i)/32] & (1<< ((i)%32))))
1058 #define OPTS_WARN(i) (!! (opts.warn [(i)/32] & (1<< ((i)%32))))
1059 #define OPTS_WERROR(i) (!! (opts.werror [(i)/32] & (1<< ((i)%32))))
1060 #define OPTS_OPTIMIZATION(i) (!! (opts.optimization[(i)/32] & (1<< ((i)%32))))