2 * Copyright (C) 2012, 2013
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 3
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 # define GMQCC_GITINFO "(no git info)"
54 * We cannot rely on C99 at all, since compilers like MSVC
55 * simply don't support it. We define our own boolean type
56 * as a result (since we cannot include <stdbool.h>). For
57 * compilers that are in 1999 mode (C99 compliant) we can use
58 * the language keyword _Bool which can allow for better code
59 * on GCC and GCC-like compilers, opposed to `int`.
70 # ifdef __STDC_VERSION__
71 # if __STDC_VERSION__ < 199901L && __GNUC__ < 3
78 # endif /* !__STDC_VERSION__ */
79 #endif /* !__cplusplus */
82 * Of some functions which are generated we want to make sure
83 * that the result isn't ignored. To find such function calls,
86 #if defined(__GNUC__) || defined(__CLANG__)
87 # define GMQCC_WARN __attribute__((warn_unused_result))
92 * This is a hack to silent clang regarding empty
95 #define GMQCC_SUPPRESS_EMPTY_BODY do { } while (0)
98 * Inline is not supported in < C90, however some compilers
99 * like gcc and clang might have an inline attribute we can
102 #ifdef __STDC_VERSION__
103 # if __STDC_VERSION__ < 199901L
104 # if defined(__GNUC__) || defined (__CLANG__)
106 # define GMQCC_INLINE
108 # define GMQCC_INLINE __attribute__ ((always_inline))
111 # define GMQCC_INLINE
114 # define GMQCC_INLINE inline
117 * Visual studio has __forcinline we can use. So lets use that
118 * I suspect it also has just __inline of some sort, but our use
119 * of inline is correct (not guessed), WE WANT IT TO BE INLINE
121 #elif defined(_MSC_VER)
122 # define GMQCC_INLINE __forceinline
124 # define GMQCC_INLINE
125 #endif /* !__STDC_VERSION__ */
128 * noreturn is present in GCC and clang
129 * it's required for _ast_node_destory otherwise -Wmissing-noreturn
130 * in clang complains about there being no return since abort() is
133 #if (defined(__GNUC__) && __GNUC__ >= 2) || defined(__CLANG__)
134 # define GMQCC_NORETURN __attribute__ ((noreturn))
136 # define GMQCC_NORETURN
142 typedef unsigned __int8 uint8_t;
143 typedef unsigned __int16 uint16_t;
144 typedef unsigned __int32 uint32_t;
145 typedef unsigned __int64 uint64_t;
147 typedef __int16 int16_t;
148 typedef __int32 int32_t;
149 typedef __int64 int64_t;
153 *windows makes these prefixed because they're C99
154 * TODO: utility versions that are type-safe and not
155 * just plain textual subsitution.
158 # define snprintf(X, Y, Z, ...) _snprintf(X, Y, Z, __VA_ARGS__)
159 /* strtof doesn't exist -> strtod does though :) */
160 # define strtof(X, Y) (float)(strtod(X, Y))
164 * Very roboust way at determining endianess at compile time: this handles
165 * almost every possible situation. Otherwise a runtime check has to be
168 #define GMQCC_BYTE_ORDER_LITTLE 1234
169 #define GMQCC_BYTE_ORDER_BIG 4321
171 #if defined (__GNUC__) || defined (__GNU_LIBRARY__)
172 # if defined (__FreeBSD__) || defined (__OpenBSD__)
173 # include <sys/endian.h>
174 # elif defined (BSD) && (BSD >= 199103) || defined (__DJGPP__) || defined (__CYGWIN32__)
175 # include <machine/endian.h>
176 # elif defined (__APPLE__)
177 # if defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN)
179 # elif defined (__LITTLE_ENDIAN__) && !defined (LITTLE_ENDIAN)
180 # define LITTLE_ENDIAN
182 # elif !defined (__MINGW32__)
184 # if !defined (__BEOS__)
185 # include <byteswap.h>
189 #if !defined(PLATFORM_BYTE_ORDER)
190 # if defined (LITTLE_ENDIAN) || defined (BIG_ENDIAN)
191 # if defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN)
192 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
193 # elif !defined (LITTLE_ENDIAN) && defined (BIG_ENDIAN)
194 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
195 # elif defined (BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
196 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
197 # elif defined (BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)
198 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
200 # elif defined (_LITTLE_ENDIAN) || defined (_BIG_ENDIAN)
201 # if defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
202 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
203 # elif !defined (_LITTLE_ENDIAN) && defined (_BIG_ENDIAN)
204 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
205 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _LITTLE_ENDIAN)
206 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
207 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)
208 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
210 # elif defined (__LITTLE_ENDIAN__) || defined (__BIG_ENDIAN__)
211 # if defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__)
212 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
213 # elif !defined (__LITTLE_ENDIAN__) && defined (__BIG_ENDIAN__)
214 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
215 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __LITTLE_ENDIAN__)
216 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
217 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__)
218 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
222 #if !defined (PLATFORM_BYTE_ORDER)
223 # if defined (__alpha__) || defined (__alpha) || defined (i386) || \
224 defined (__i386__) || defined (_M_I86) || defined (_M_IX86) || \
225 defined (__OS2__) || defined (sun386) || defined (__TURBOC__) || \
226 defined (vax) || defined (vms) || defined (VMS) || \
227 defined (__VMS) || defined (__x86_64__) || defined (_M_IA64) || \
228 defined (_M_X64) || defined (__i386) || defined (__x86_64)
229 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
230 # elif defined (AMIGA) || defined (applec) || defined (__AS400__) || \
231 defined (_CRAY) || defined (__hppa) || defined (__hp9000) || \
232 defined (ibm370) || defined (mc68000) || defined (m68k) || \
233 defined (__MRC__) || defined (__MVS__) || defined (__MWERKS__) || \
234 defined (sparc) || defined (__sparc) || defined (SYMANTEC_C) || \
235 defined (__TANDEM) || defined (THINK_C) || defined (__VMCMS__) || \
236 defined (__PPC__) || defined (__PPC) || defined (PPC)
237 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
239 # define PLATFORM_BYTE_ORDER -1
245 /*===================================================================*/
246 /*=========================== util.c ================================*/
247 /*===================================================================*/
248 void *util_memory_a (size_t, /*****/ unsigned int, const char *);
249 void *util_memory_r (void *, size_t, unsigned int, const char *);
250 void util_memory_d (void *);
251 void util_meminfo ();
253 bool util_filexists (const char *);
254 bool util_strupper (const char *);
255 bool util_strdigit (const char *);
256 char *util_strdup (const char *);
257 void util_debug (const char *, const char *, ...);
258 void util_endianswap (void *, size_t, unsigned int);
260 size_t util_strtocmd (const char *, char *, size_t);
261 size_t util_strtononcmd (const char *, char *, size_t);
263 uint16_t util_crc16(uint16_t crc, const char *data, size_t len);
265 void util_seed(uint32_t);
266 uint32_t util_rand();
268 int util_vasprintf(char **ret, const char *fmt, va_list);
269 int util_asprintf (char **ret, const char *fmt, ...);
273 # define mem_a(x) malloc (x)
274 # define mem_d(x) free ((void*)x)
275 # define mem_r(x, n) realloc((void*)x, n)
277 # define mem_a(x) util_memory_a((x), __LINE__, __FILE__)
278 # define mem_d(x) util_memory_d((void*)(x))
279 # define mem_r(x, n) util_memory_r((void*)(x), (n), __LINE__, __FILE__)
283 * A flexible vector implementation: all vector pointers contain some
284 * data about themselfs exactly - sizeof(vector_t) behind the pointer
285 * this data is represented in the structure below. Doing this allows
286 * us to use the array [] to access individual elements from the vector
287 * opposed to using set/get methods.
293 /* can be extended now! whoot */
296 /* hidden interface */
297 void _util_vec_grow(void **a, size_t i, size_t s);
298 #define GMQCC_VEC_WILLGROW(X,Y) ( \
299 ((!(X) || vec_meta(X)->used + Y >= vec_meta(X)->allocated)) ? \
300 (void)_util_vec_grow(((void**)&(X)), (Y), sizeof(*(X))) : \
304 /* exposed interface */
305 #define vec_meta(A) (((vector_t*)(A)) - 1)
306 #define vec_free(A) ((A) ? (mem_d((void*)vec_meta(A)), (A) = NULL) : 0)
307 #define vec_push(A,V) (GMQCC_VEC_WILLGROW((A),1), (A)[vec_meta(A)->used++] = (V))
308 #define vec_size(A) ((A) ? vec_meta(A)->used : 0)
309 #define vec_add(A,N) (GMQCC_VEC_WILLGROW((A),(N)), vec_meta(A)->used += (N), &(A)[vec_meta(A)->used-(N)])
310 #define vec_last(A) ((A)[vec_meta(A)->used - 1])
311 #define vec_pop(A) (vec_meta(A)->used -= 1)
312 #define vec_shrinkto(A,N) (vec_meta(A)->used = (N))
313 #define vec_shrinkby(A,N) (vec_meta(A)->used -= (N))
314 #define vec_append(A,N,S) memcpy(vec_add((A), (N)), (S), (N) * sizeof(*(S)))
315 #define vec_upload(X,Y,S) memcpy(vec_add((X), (S) * sizeof(*(Y))), (Y), (S) * sizeof(*(Y)))
316 #define vec_remove(A,I,N) memmove((A)+(I),(A)+((I)+(N)),sizeof(*(A))*(vec_meta(A)->used-(I)-(N))),vec_meta(A)->used-=(N)
318 typedef struct trie_s {
319 struct trie_s *entries;
324 correct_trie_t* correct_trie_new();
326 typedef struct hash_table_t {
328 struct hash_node_t **table;
331 typedef struct hash_set_t {
340 * hashtable implementation:
343 * This was designed for pointers: you manage the life of the object yourself
344 * if you do use this for non-pointers please be warned that the object may not
345 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
346 * yourself, or put those in global scope to ensure duration is for the whole
349 * util_htnew(size) -- to make a new hashtable
350 * util_htset(table, key, value, sizeof(value)) -- to set something in the table
351 * util_htget(table, key) -- to get something from the table
352 * util_htdel(table) -- to delete the table
356 * ht foo = util_htnew(1024);
358 * char *test = "hello world\n";
359 * util_htset(foo, "foo", (void*)&data);
360 * util_gtset(foo, "bar", (void*)test);
362 * printf("foo: %d, bar %s",
363 * *((int *)util_htget(foo, "foo")),
364 * ((char*)util_htget(foo, "bar"))
369 hash_table_t *util_htnew (size_t size);
370 void util_htset (hash_table_t *ht, const char *key, void *value);
371 void util_htdel (hash_table_t *ht);
372 size_t util_hthash(hash_table_t *ht, const char *key);
373 void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
375 void *util_htget (hash_table_t *ht, const char *key);
376 void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
379 * hashset implementation:
380 * This was designed for pointers: you manage the life of the object yourself
381 * if you do use this for non-pointers please be warned that the object may not
382 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
383 * yourself, or put those in global scope to ensure duration is for the whole
386 * util_hsnew() -- to make a new hashset
387 * util_hsadd(set, key) -- to add something in the set
388 * util_hshas(set, key) -- to check if something is in the set
389 * util_hsrem(set, key) -- to remove something in the set
390 * util_hsdel(set) -- to delete the set
394 * hs foo = util_hsnew();
395 * char *bar = "hello blub\n";
396 * char *baz = "hello dale\n";
398 * util_hsadd(foo, bar);
399 * util_hsadd(foo, baz);
400 * util_hsrem(foo, baz);
402 * printf("bar %d | baz %d\n",
403 * util_hshas(foo, bar),
404 * util_hshad(foo, baz)
410 hash_set_t *util_hsnew(void);
411 int util_hsadd(hash_set_t *, void *);
412 int util_hshas(hash_set_t *, void *);
413 int util_hsrem(hash_set_t *, void *);
414 void util_hsdel(hash_set_t *);
416 /*===================================================================*/
417 /*============================ file.c ===============================*/
418 /*===================================================================*/
419 GMQCC_INLINE void file_close (FILE *);
420 GMQCC_INLINE int file_error (FILE *);
421 GMQCC_INLINE int file_getc (FILE *);
422 GMQCC_INLINE int file_printf (FILE *, const char *, ...);
423 GMQCC_INLINE int file_puts (FILE *, const char *);
424 GMQCC_INLINE int file_putc (FILE *, int);
425 GMQCC_INLINE int file_seek (FILE *, long int, int);
427 GMQCC_INLINE size_t file_read (void *, size_t, size_t, FILE *);
428 GMQCC_INLINE size_t file_write (const void *, size_t, size_t, FILE *);
430 GMQCC_INLINE FILE *file_open (const char *, const char *);
431 /*NOINLINE*/ int file_getline(char **, size_t *, FILE *);
434 /*===================================================================*/
435 /*=========================== correct.c =============================*/
436 /*===================================================================*/
437 void correct_del(correct_trie_t*, size_t **);
438 void correct_add(correct_trie_t*, size_t ***, const char *);
439 char *correct_str(correct_trie_t*, /********/ const char *);
441 /*===================================================================*/
442 /*=========================== code.c ================================*/
443 /*===================================================================*/
446 /* Note: if you change the order, fix type_sizeof in ir.c */
462 TYPE_NIL , /* it's its own type / untyped */
463 TYPE_NOEXPR , /* simply invalid in expressions */
468 /* const/var qualifiers */
472 #define CV_WRONG 0x8000 /* magic number to help parsing */
474 extern const char *type_name [TYPE_COUNT];
475 extern uint16_t type_store_instr [TYPE_COUNT];
476 extern uint16_t field_store_instr[TYPE_COUNT];
479 * could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
480 * but this breaks when TYPE_INTEGER is added, since with the enhanced
481 * instruction set, the old ones are left untouched, thus the _I instructions
482 * are at a seperate place.
484 extern uint16_t type_storep_instr[TYPE_COUNT];
485 extern uint16_t type_eq_instr [TYPE_COUNT];
486 extern uint16_t type_ne_instr [TYPE_COUNT];
487 extern uint16_t type_not_instr [TYPE_COUNT];
490 uint32_t offset; /* Offset in file of where data begins */
491 uint32_t length; /* Length of section (how many of) */
495 uint32_t version; /* Program version (6) */
499 prog_section statements; /* prog_section_statement */
500 prog_section defs; /* prog_section_def */
501 prog_section fields; /* prog_section_field */
502 prog_section functions; /* prog_section_function */
503 prog_section strings;
504 prog_section globals;
505 uint32_t entfield; /* Number of entity fields */
509 * Each paramater incerements by 3 since vector types hold
510 * 3 components (x,y,z).
514 #define OFS_PARM0 (OFS_RETURN+3)
515 #define OFS_PARM1 (OFS_PARM0 +3)
516 #define OFS_PARM2 (OFS_PARM1 +3)
517 #define OFS_PARM3 (OFS_PARM2 +3)
518 #define OFS_PARM4 (OFS_PARM3 +3)
519 #define OFS_PARM5 (OFS_PARM4 +3)
520 #define OFS_PARM6 (OFS_PARM5 +3)
521 #define OFS_PARM7 (OFS_PARM6 +3)
528 int16_t s1; /* signed */
529 uint16_t u1; /* unsigned */
533 int16_t s1; /* signed */
534 uint16_t u1; /* unsigned */
538 int16_t s1; /* signed */
539 uint16_t u1; /* unsigned */
543 * This is the same as the structure in darkplaces
548 * But this one is more sane to work with, and the
549 * type sizes are guranteed.
551 } prog_section_statement;
563 * 7 = ev_pointer -- engine only
564 * 8 = ev_bad -- engine only
571 typedef prog_section_both prog_section_def;
572 typedef prog_section_both prog_section_field;
574 /* this is ORed to the type */
575 #define DEF_SAVEGLOBAL (1<<15)
576 #define DEF_TYPEMASK ((1<<15)-1)
579 int32_t entry; /* in statement table for instructions */
580 uint32_t firstlocal; /* First local in local table */
581 uint32_t locals; /* Total ints of params + locals */
582 uint32_t profile; /* Always zero (engine uses this) */
583 uint32_t name; /* name of function in string table */
584 uint32_t file; /* file of the source file */
585 int32_t nargs; /* number of arguments */
586 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
587 } prog_section_function;
591 * These are the external instructions supported by the interperter
592 * this is what things compile to (from the C code).
598 INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
599 INSTR_MUL_VF, /* and here: B != C */
663 * Virtual instructions used by the assembler
664 * keep at the end but before virtual instructions
670 * Virtual instructions used by the IR
676 /* A never returning CALL.
677 * Creating this causes IR blocks to be marked as 'final'.
683 /* TODO: cleanup this mess */
684 extern prog_section_statement *code_statements;
685 extern int *code_linenums;
686 extern prog_section_def *code_defs;
687 extern prog_section_field *code_fields;
688 extern prog_section_function *code_functions;
689 extern int *code_globals;
690 extern char *code_chars;
691 extern uint16_t code_crc;
694 typedef float qcfloat;
695 typedef int32_t qcint;
698 * code_write -- writes out the compiled file
699 * code_init -- prepares the code file
701 bool code_write (const char *filename, const char *lno);
703 uint32_t code_genstring (const char *string);
704 qcint code_alloc_field (size_t qcsize);
706 /* this function is used to keep statements and linenumbers together */
707 void code_push_statement(prog_section_statement *stmt, int linenum);
708 void code_pop_statement();
711 * A shallow copy of a lex_file to remember where which ast node
719 /*===================================================================*/
720 /*============================ con.c ================================*/
721 /*===================================================================*/
740 FILE *con_default_out();
741 FILE *con_default_err();
743 void con_vprintmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, va_list ap);
744 void con_printmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, ...);
745 void con_cvprintmsg(void *ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
746 void con_cprintmsg (void *ctx, int lvl, const char *msgtype, const char *msg, ...);
751 void con_color (int);
752 int con_change(const char *, const char *);
753 int con_verr (const char *, va_list);
754 int con_vout (const char *, va_list);
755 int con_err (const char *, ...);
756 int con_out (const char *, ...);
758 /* error/warning interface */
759 extern size_t compile_errors;
760 extern size_t compile_Werrors;
761 extern size_t compile_warnings;
763 void /********/ compile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, ...);
764 void /********/ vcompile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
765 bool GMQCC_WARN compile_warning (lex_ctx ctx, int warntype, const char *fmt, ...);
766 bool GMQCC_WARN vcompile_warning(lex_ctx ctx, int warntype, const char *fmt, va_list ap);
767 void compile_show_werrors();
769 /*===================================================================*/
770 /*========================= assembler.c =============================*/
771 /*===================================================================*/
772 /* TODO: remove this ... */
773 static const struct {
774 const char *m; /* menomic */
775 const size_t o; /* operands */
776 const size_t l; /* menomic len */
802 { "FIELD_F" , 0, 7 },
803 { "FIELD_V" , 0, 7 },
804 { "FIELD_S" , 0, 7 },
805 { "FIELD_ENT" , 0, 9 },
806 { "FIELD_FLD" , 0, 9 },
807 { "FIELD_FNC" , 0, 9 },
808 { "ADDRESS" , 0, 7 },
809 { "STORE_F" , 0, 7 },
810 { "STORE_V" , 0, 7 },
811 { "STORE_S" , 0, 7 },
812 { "STORE_ENT" , 0, 9 },
813 { "STORE_FLD" , 0, 9 },
814 { "STORE_FNC" , 0, 9 },
815 { "STOREP_F" , 0, 8 },
816 { "STOREP_V" , 0, 8 },
817 { "STOREP_S" , 0, 8 },
818 { "STOREP_ENT", 0, 10},
819 { "STOREP_FLD", 0, 10},
820 { "STOREP_FNC", 0, 10},
825 { "NOT_ENT" , 0, 7 },
826 { "NOT_FNC" , 0, 7 },
845 { "END" , 0, 3 } /* virtual assembler instruction */
847 /*===================================================================*/
848 /*============================= ir.c ================================*/
849 /*===================================================================*/
853 store_local, /* local, assignable for now, should get promoted later */
854 store_param, /* parameters, they are locals with a fixed position */
855 store_value, /* unassignable */
856 store_return /* unassignable, at OFS_RETURN */
863 vector vec3_add (vector, vector);
864 vector vec3_sub (vector, vector);
865 qcfloat vec3_mulvv(vector, vector);
866 vector vec3_mulvf(vector, float);
868 /*===================================================================*/
869 /*============================= exec.c ==============================*/
870 /*===================================================================*/
874 * Darkplaces has (or will have) a 64 bit prog loader
875 * where the 32 bit qc program is autoconverted on load.
876 * Since we may want to support that as well, let's redefine
877 * float and int here.
889 typedef char qcfloat_size_is_correct [sizeof(qcfloat) == 4 ?1:-1];
890 typedef char qcint_size_is_correct [sizeof(qcint) == 4 ?1:-1];
894 VMERR_TEMPSTRING_ALLOC,
899 #define VM_JUMPS_DEFAULT 1000000
902 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
903 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
904 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
908 typedef int (*prog_builtin)(struct qc_program_s *prog);
913 prog_section_function *function;
916 typedef struct qc_program_s {
919 prog_section_statement *code;
920 prog_section_def *defs;
921 prog_section_def *fields;
922 prog_section_function *functions;
928 const char* *function_stack;
932 size_t tempstring_start;
933 size_t tempstring_at;
939 prog_builtin *builtins;
940 size_t builtins_count;
945 bool allowworldwrites;
948 qc_exec_stack *stack;
953 int argc; /* current arg count for debugging */
956 qc_program* prog_load(const char *filename);
957 void prog_delete(qc_program *prog);
959 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps);
961 char* prog_getstring (qc_program *prog, qcint str);
962 prog_section_def* prog_entfield (qc_program *prog, qcint off);
963 prog_section_def* prog_getdef (qc_program *prog, qcint off);
964 qcany* prog_getedict (qc_program *prog, qcint e);
965 qcint prog_tempstring(qc_program *prog, const char *_str);
968 /*===================================================================*/
969 /*===================== parser.c commandline ========================*/
970 /*===================================================================*/
973 bool parser_compile_file (const char *);
974 bool parser_compile_string(const char *, const char *, size_t);
975 bool parser_finish (const char *);
976 void parser_cleanup ();
978 /*===================================================================*/
979 /*====================== ftepp.c commandline ========================*/
980 /*===================================================================*/
984 char *(*func)(struct lex_file_s *);
988 * line, file, counter, counter_last, random, random_last, date, time
989 * increment when items are added
991 #define FTEPP_PREDEF_COUNT 8
994 bool ftepp_preprocess_file (const char *filename);
995 bool ftepp_preprocess_string(const char *name, const char *str);
996 void ftepp_finish ();
997 const char *ftepp_get ();
999 void ftepp_add_define (const char *source, const char *name);
1000 void ftepp_add_macro (const char *name, const char *value);
1002 extern const ftepp_predef_t ftepp_predefs[FTEPP_PREDEF_COUNT];
1004 /*===================================================================*/
1005 /*======================= main.c commandline ========================*/
1006 /*===================================================================*/
1009 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
1010 * to 32 or 64 -f options...
1013 size_t idx; /* index into an array of 32 bit words */
1014 uint8_t bit; /* bit index for the 8 bit group idx points to */
1016 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
1017 #define LONGBIT_SET(B, I) ((B).idx = (I)/32, (B).bit = ((I)%32))
1019 typedef uint32_t longbit;
1020 #define LONGBIT(bit) (bit)
1021 #define LONGBIT_SET(B, I) ((B) = (I))
1024 /*===================================================================*/
1025 /*=========================== utf8lib.c =============================*/
1026 /*===================================================================*/
1027 typedef uint32_t uchar_t;
1029 bool u8_analyze (const char *_s, size_t *_start, size_t *_len, uchar_t *_ch, size_t _maxlen);
1030 size_t u8_strlen (const char*);
1031 size_t u8_strnlen (const char*, size_t);
1032 uchar_t u8_getchar (const char*, const char**);
1033 uchar_t u8_getnchar(const char*, const char**, size_t);
1034 int u8_fromchar(uchar_t w, char *to, size_t maxlen);
1036 /*===================================================================*/
1037 /*============================= opts.c ==============================*/
1038 /*===================================================================*/
1044 bool opts_setflag (const char *, bool);
1045 bool opts_setwarn (const char *, bool);
1046 bool opts_setwerror(const char *, bool);
1047 bool opts_setoptim (const char *, bool);
1049 void opts_init (const char *, int, size_t);
1050 void opts_set (uint32_t *, size_t, bool);
1051 void opts_setoptimlevel(unsigned int);
1052 void opts_ini_init (const char *);
1055 # define GMQCC_TYPE_FLAGS
1056 # define GMQCC_DEFINE_FLAG(X) X,
1057 # include "opts.def"
1060 static const opts_flag_def opts_flag_list[] = {
1061 # define GMQCC_TYPE_FLAGS
1062 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(X) },
1063 # include "opts.def"
1064 { NULL, LONGBIT(0) }
1068 # define GMQCC_TYPE_WARNS
1069 # define GMQCC_DEFINE_FLAG(X) WARN_##X,
1070 # include "opts.def"
1073 static const opts_flag_def opts_warn_list[] = {
1074 # define GMQCC_TYPE_WARNS
1075 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(WARN_##X) },
1076 # include "opts.def"
1077 { NULL, LONGBIT(0) }
1081 # define GMQCC_TYPE_OPTIMIZATIONS
1082 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
1083 # include "opts.def"
1086 static const opts_flag_def opts_opt_list[] = {
1087 # define GMQCC_TYPE_OPTIMIZATIONS
1088 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) { #NAME, LONGBIT(OPTIM_##NAME) },
1089 # include "opts.def"
1090 { NULL, LONGBIT(0) }
1092 static const unsigned int opts_opt_oflag[] = {
1093 # define GMQCC_TYPE_OPTIMIZATIONS
1094 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) MIN_O,
1095 # include "opts.def"
1098 extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
1100 /* other options: */
1102 COMPILER_QCC, /* circa QuakeC */
1103 COMPILER_FTEQCC, /* fteqcc QuakeC */
1104 COMPILER_QCCX, /* qccx QuakeC */
1105 COMPILER_GMQCC /* this QuakeC */
1108 /* TODO: cleanup this */
1110 uint32_t O; /* -Ox */
1111 const char *output; /* -o file */
1112 bool quiet; /* -q --quiet */
1114 opts_std_t standard; /* -std= */
1115 bool debug; /* -debug */
1116 bool memchk; /* -memchk */
1117 bool dumpfin; /* -dumpfin */
1118 bool dump; /* -dump */
1119 bool forcecrc; /* --force-crc= */
1120 uint16_t forced_crc; /* --force-crc= */
1121 bool pp_only; /* -E */
1122 size_t max_array_size; /* --max-array= */
1124 uint32_t flags [1 + (COUNT_FLAGS / 32)];
1125 uint32_t warn [1 + (COUNT_WARNINGS / 32)];
1126 uint32_t werror [1 + (COUNT_WARNINGS / 32)];
1127 uint32_t optimization[1 + (COUNT_OPTIMIZATIONS / 32)];
1130 extern opts_cmd_t opts;
1132 #define OPTS_FLAG(i) (!! (opts.flags [(i)/32] & (1<< ((i)%32))))
1133 #define OPTS_WARN(i) (!! (opts.warn [(i)/32] & (1<< ((i)%32))))
1134 #define OPTS_WERROR(i) (!! (opts.werror [(i)/32] & (1<< ((i)%32))))
1135 #define OPTS_OPTIMIZATION(i) (!! (opts.optimization[(i)/32] & (1<< ((i)%32))))