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
27 #include <stdio.h> /* TODO: remove this */
30 * Disable some over protective warnings in visual studio because fixing them is a waste
34 # pragma warning(disable : 4244 ) /* conversion from 'int' to 'float', possible loss of data */
35 #endif /*! _MSC_VER */
37 #define GMQCC_VERSION_MAJOR 0
38 #define GMQCC_VERSION_MINOR 4
39 #define GMQCC_VERSION_PATCH 0
40 #define GMQCC_VERSION_BUILD(J,N,P) (((J)<<16)|((N)<<8)|(P))
41 #define GMQCC_VERSION \
42 GMQCC_VERSION_BUILD(GMQCC_VERSION_MAJOR, GMQCC_VERSION_MINOR, GMQCC_VERSION_PATCH)
43 /* Undefine the following on a release-tag: */
44 #define GMQCC_VERSION_TYPE_DEVEL
46 /* Full version string in case we need it */
47 #ifdef GMQCC_VERSION_TYPE_DEVEL
49 # define GMQCC_DEV_VERSION_STRING "git build: " GMQCC_GITINFO "\n"
50 # elif defined(GMQCC_VERSION_TYPE_DEVEL)
51 # define GMQCC_DEV_VERSION_STRING "development build\n"
53 # define GMQCC_DEV_VERSION_STRING
54 # endif /*! GMQCC_GITINGO */
56 # define GMQCC_DEV_VERSION_STRING
59 #define GMQCC_STRINGIFY(x) #x
60 #define GMQCC_IND_STRING(x) GMQCC_STRINGIFY(x)
61 #define GMQCC_FULL_VERSION_STRING \
63 GMQCC_IND_STRING(GMQCC_VERSION_MAJOR) "." \
64 GMQCC_IND_STRING(GMQCC_VERSION_MINOR) "." \
65 GMQCC_IND_STRING(GMQCC_VERSION_PATCH) \
66 " Built " __DATE__ " " __TIME__ \
67 "\n" GMQCC_DEV_VERSION_STRING
70 * We cannot rely on C99 at all, since compilers like MSVC
71 * simply don't support it. We define our own boolean type
72 * as a result (since we cannot include <stdbool.h>). For
73 * compilers that are in 1999 mode (C99 compliant) we can use
74 * the language keyword _Bool which can allow for better code
75 * on GCC and GCC-like compilers, opposed to `int`.
84 # define false (unsigned)(0)
85 # define true (unsigned)(1)
86 # ifdef __STDC_VERSION__
87 # if __STDC_VERSION__ < 199901L && __GNUC__ < 3
91 # endif /*! __STDC_VERSION__ < 199901L && __GNUC__ < 3 */
94 # endif /*! __STDC_VERSION__ */
95 #endif /*! __cplusplus */
98 * Of some functions which are generated we want to make sure
99 * that the result isn't ignored. To find such function calls,
102 #if defined(__GNUC__) || defined(__CLANG__)
103 # define GMQCC_WARN __attribute__((warn_unused_result))
104 # define GMQCC_USED __attribute__((used))
108 #endif /*! defined(__GNUC__) || defined (__CLANG__) */
111 * Inline is not supported in < C90, however some compilers
112 * like gcc and clang might have an inline attribute we can
115 #ifdef __STDC_VERSION__
116 # if __STDC_VERSION__ < 199901L
117 # if defined(__GNUC__) || defined (__CLANG__)
119 # define GMQCC_INLINE
121 # define GMQCC_INLINE __attribute__ ((always_inline))
122 # endif /*! __GNUC__ < 2 */
124 # define GMQCC_INLINE
125 # endif /*! defined(__GNUC__) || defined (__CLANG__) */
127 # define GMQCC_INLINE inline
128 # endif /*! __STDC_VERSION < 199901L */
130 * Visual studio has __forcinline we can use. So lets use that
131 * I suspect it also has just __inline of some sort, but our use
132 * of inline is correct (not guessed), WE WANT IT TO BE INLINE
134 #elif defined(_MSC_VER)
135 # define GMQCC_INLINE __forceinline
137 # define GMQCC_INLINE
138 #endif /*! __STDC_VERSION__ */
141 * noreturn is present in GCC and clang
142 * it's required for _ast_node_destory otherwise -Wmissing-noreturn
143 * in clang complains about there being no return since abort() is
146 #if (defined(__GNUC__) && __GNUC__ >= 2) || defined(__CLANG__)
147 # define GMQCC_NORETURN __attribute__ ((noreturn))
149 # define GMQCC_NORETURN
150 #endif /*! (defined(__GNUC__) && __GNUC__ >= 2) || defined (__CLANG__) */
152 #if (defined(__GNUC__)) || defined(__CLANG__)
153 # define GMQCC_LIKELY(X) __builtin_expect((X), 1)
154 # define GMQCC_UNLIKELY(X) __builtin_expect((X), 0)
156 # define GMQCC_LIKELY(X) (X)
157 # define GMQCC_UNLIKELY(X) (X)
160 #define GMQCC_ARRAY_COUNT(X) (sizeof(X) / sizeof((X)[0]))
165 typedef unsigned __int8 uint8_t;
166 typedef unsigned __int16 uint16_t;
167 typedef unsigned __int32 uint32_t;
168 typedef unsigned __int64 uint64_t;
170 typedef __int16 int16_t;
171 typedef __int32 int32_t;
172 typedef __int64 int64_t;
173 #endif /*! _MSC_VER */
176 * Very roboust way at determining endianess at compile time: this handles
177 * almost every possible situation. Otherwise a runtime check has to be
180 #define GMQCC_BYTE_ORDER_LITTLE 1234
181 #define GMQCC_BYTE_ORDER_BIG 4321
183 #if defined (__GNUC__) || defined (__GNU_LIBRARY__)
184 # if defined (__FreeBSD__) || defined (__OpenBSD__)
185 # include <sys/endian.h>
186 # elif defined (BSD) && (BSD >= 199103) || defined (__DJGPP__) || defined (__CYGWIN32__)
187 # include <machine/endian.h>
188 # elif defined (__APPLE__)
189 # if defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN)
191 # elif defined (__LITTLE_ENDIAN__) && !defined (LITTLE_ENDIAN)
192 # define LITTLE_ENDIAN
193 # endif /*! defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN) */
194 # elif !defined (__MINGW32__)
196 # if !defined (__BEOS__)
197 # include <byteswap.h>
198 # endif /*! !definde (__BEOS__) */
199 # endif /*! defined (__FreeBSD__) || defined (__OpenBSD__) */
200 #endif /*! defined (__GNUC__) || defined (__GNU_LIBRARY__) */
201 #if !defined(PLATFORM_BYTE_ORDER)
202 # if 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
211 # endif /*! defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN) */
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
221 # endif /*! defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) */
222 # elif defined (__LITTLE_ENDIAN__) || defined (__BIG_ENDIAN__)
223 # if defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__)
224 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
225 # elif !defined (__LITTLE_ENDIAN__) && defined (__BIG_ENDIAN__)
226 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
227 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __LITTLE_ENDIAN__)
228 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
229 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__)
230 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
231 # endif /*! defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__) */
232 # endif /*! defined(LITTLE_ENDIAN) || defined (BIG_ENDIAN) */
233 #endif /*! !defined(PLATFORM_BYTE_ORDER) */
234 #if !defined (PLATFORM_BYTE_ORDER)
235 # if defined (__alpha__) || defined (__alpha) || defined (i386) || \
236 defined (__i386__) || defined (_M_I86) || defined (_M_IX86) || \
237 defined (__OS2__) || defined (sun386) || defined (__TURBOC__) || \
238 defined (vax) || defined (vms) || defined (VMS) || \
239 defined (__VMS) || defined (__x86_64__) || defined (_M_IA64) || \
240 defined (_M_X64) || defined (__i386) || defined (__x86_64)
241 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
242 # elif defined (AMIGA) || defined (applec) || defined (__AS400__) || \
243 defined (_CRAY) || defined (__hppa) || defined (__hp9000) || \
244 defined (ibm370) || defined (mc68000) || defined (m68k) || \
245 defined (__MRC__) || defined (__MVS__) || defined (__MWERKS__) || \
246 defined (sparc) || defined (__sparc) || defined (SYMANTEC_C) || \
247 defined (__TANDEM) || defined (THINK_C) || defined (__VMCMS__) || \
248 defined (__PPC__) || defined (__PPC) || defined (PPC)
249 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
251 # define PLATFORM_BYTE_ORDER -1
253 #endif /*! !defined (PLATFORM_BYTE_ORDER) */
256 * On windows systems where we're not compiling with MING32 we need a
257 * little extra help on dependinces for implementing our own dirent.h
260 #if defined(_WIN32) && !defined(__MINGW32__)
261 # define _WIN32_LEAN_AND_MEAN
262 # include <windows.h>
268 unsigned short d_reclen;
269 unsigned short d_namlen;
270 char d_name[FILENAME_MAX];
274 struct _finddata_t dd_dta;
275 struct dirent dd_dir;
281 * Visual studio also lacks S_ISDIR for sys/stat.h, so we emulate this as well
282 * which is not hard at all.
286 # endif /*! S_ISDIR */
287 # define S_ISDIR(X) ((X)&_S_IFDIR)
290 #endif /*! _WIN32 && !defined(__MINGW32__) */
292 /*===================================================================*/
293 /*=========================== stat.c ================================*/
294 /*===================================================================*/
295 void stat_info (void);
296 char *stat_mem_strdup (const char *, size_t, const char *, bool);
297 void *stat_mem_reallocate(void *, size_t, size_t, const char *);
298 void stat_mem_deallocate(void *);
299 void *stat_mem_allocate (size_t, size_t, const char *);
301 #define mem_a(SIZE) stat_mem_allocate ((SIZE), __LINE__, __FILE__)
302 #define mem_d(PTRN) stat_mem_deallocate((void*)(PTRN))
303 #define mem_r(PTRN, SIZE) stat_mem_reallocate((void*)(PTRN), (SIZE), __LINE__, __FILE__)
304 #define mem_af(SIZE, FILE, LINE) stat_mem_allocate ((SIZE), (LINE), (FILE))
306 /* TODO: rename to mem variations */
307 #define util_strdup(SRC) stat_mem_strdup((char*)(SRC), __LINE__, __FILE__, false)
308 #define util_strdupe(SRC) stat_mem_strdup((char*)(SRC), __LINE__, __FILE__, true)
310 /*===================================================================*/
311 /*=========================== util.c ================================*/
312 /*===================================================================*/
315 * Microsoft implements against the spec versions of ctype.h. Which
316 * means what ever the current set locale is will render the actual
317 * results of say isalpha('A') wrong for what ever retarded locale
318 * is used. Simalerly these are also implemented inefficently on
319 * some toolchains and end up becoming actual library calls. Perhaps
320 * this is why tools like yacc provide their own? Regardless implementing
321 * these as functions is equally as silly, the call overhead is not
322 * justified when this could happen on every character from an input
323 * stream. We provide our own as macros for absolute inlinability.
325 #define util_isalpha(a) ((((unsigned)(a)|32)-'a') < 26)
326 #define util_isdigit(a) (((unsigned)(a)-'0') < 10)
327 #define util_islower(a) (((unsigned)(a)-'a') < 26)
328 #define util_isupper(a) (((unsigned)(a)-'A') < 26)
329 #define util_isprint(a) (((unsigned)(a)-0x20) < 0x5F)
330 #define util_isspace(a) (((a) >= 9 && (a) <= 13) || (a) == ' ')
332 bool util_filexists (const char *);
333 bool util_strupper (const char *);
334 bool util_strdigit (const char *);
335 void util_endianswap (void *, size_t, unsigned int);
337 size_t util_strtocmd (const char *, char *, size_t);
338 size_t util_strtononcmd (const char *, char *, size_t);
339 size_t util_optimizationtostr(const char *, char *, size_t);
341 uint16_t util_crc16(uint16_t crc, const char *data, size_t len);
343 void util_seed(uint32_t);
344 uint32_t util_rand(void);
346 int util_vasprintf(char **ret, const char *fmt, va_list);
347 int util_asprintf (char **ret, const char *fmt, ...);
350 * A flexible vector implementation: all vector pointers contain some
351 * data about themselfs exactly - sizeof(vector_t) behind the pointer
352 * this data is represented in the structure below. Doing this allows
353 * us to use the array [] to access individual elements from the vector
354 * opposed to using set/get methods.
360 /* can be extended now! whoot */
363 /* hidden interface */
364 void _util_vec_grow(void **a, size_t i, size_t s);
365 #define GMQCC_VEC_WILLGROW(X,Y) ( \
366 ((!(X) || vec_meta(X)->used + Y >= vec_meta(X)->allocated)) ? \
367 (void)_util_vec_grow(((void**)&(X)), (Y), sizeof(*(X))) : \
371 /* exposed interface */
372 #define vec_meta(A) (((vector_t*)((void*)A)) - 1)
373 #define vec_free(A) ((void)((A) ? (mem_d((void*)vec_meta(A)), (A) = NULL) : 0))
374 #define vec_push(A,V) (GMQCC_VEC_WILLGROW((A),1), (A)[vec_meta(A)->used++] = (V))
375 #define vec_size(A) ((A) ? vec_meta(A)->used : 0)
376 #define vec_add(A,N) (GMQCC_VEC_WILLGROW((A),(N)), vec_meta(A)->used += (N), &(A)[vec_meta(A)->used-(N)])
377 #define vec_last(A) ((A)[vec_meta(A)->used - 1])
378 #define vec_pop(A) ((void)(vec_meta(A)->used -= 1))
379 #define vec_shrinkto(A,N) ((void)(vec_meta(A)->used = (N)))
380 #define vec_shrinkby(A,N) ((void)(vec_meta(A)->used -= (N)))
381 #define vec_append(A,N,S) ((void)(memcpy(vec_add((A), (N)), (S), (N) * sizeof(*(S)))))
382 #define vec_remove(A,I,N) ((void)(memmove((A)+(I),(A)+((I)+(N)),sizeof(*(A))*(vec_meta(A)->used-(I)-(N))),vec_meta(A)->used-=(N)))
384 typedef struct correct_trie_s {
386 struct correct_trie_s *entries;
389 correct_trie_t* correct_trie_new(void);
391 typedef struct hash_table_s {
393 struct hash_node_t **table;
397 * hashtable implementation:
400 * This was designed for pointers: you manage the life of the object yourself
401 * if you do use this for non-pointers please be warned that the object may not
402 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
403 * yourself, or put those in global scope to ensure duration is for the whole
406 * util_htnew(size) -- to make a new hashtable
407 * util_htset(table, key, value, sizeof(value)) -- to set something in the table
408 * util_htget(table, key) -- to get something from the table
409 * util_htdel(table) -- to delete the table
413 * ht foo = util_htnew(1024);
415 * char *test = "hello world\n";
416 * util_htset(foo, "foo", (void*)&data);
417 * util_gtset(foo, "bar", (void*)test);
419 * printf("foo: %d, bar %s",
420 * *((int *)util_htget(foo, "foo")),
421 * ((char*)util_htget(foo, "bar"))
426 hash_table_t *util_htnew (size_t size);
427 void util_htrem (hash_table_t *ht, void (*callback)(void *data));
428 void util_htset (hash_table_t *ht, const char *key, void *value);
429 void util_htdel (hash_table_t *ht);
430 size_t util_hthash(hash_table_t *ht, const char *key);
431 void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
432 void util_htrmh (hash_table_t *ht, const char *key, size_t bin, void (*cb)(void*));
433 void util_htrm (hash_table_t *ht, const char *key, void (*cb)(void*));
435 void *util_htget (hash_table_t *ht, const char *key);
436 void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
438 /*===================================================================*/
439 /*============================ file.c ===============================*/
440 /*===================================================================*/
442 void fs_file_close (FILE *);
443 int fs_file_error (FILE *);
444 int fs_file_getc (FILE *);
445 int fs_file_printf (FILE *, const char *, ...);
446 int fs_file_puts (FILE *, const char *);
447 int fs_file_seek (FILE *, long int, int);
448 long int fs_file_tell (FILE *);
450 size_t fs_file_read (void *, size_t, size_t, FILE *);
451 size_t fs_file_write (const void *, size_t, size_t, FILE *);
453 FILE *fs_file_open (const char *, const char *);
454 int fs_file_getline(char **, size_t *, FILE *);
456 /* directory handling */
457 int fs_dir_make (const char *);
458 DIR *fs_dir_open (const char *);
459 int fs_dir_close (DIR *);
460 struct dirent *fs_dir_read (DIR *);
462 /*===================================================================*/
463 /*=========================== correct.c =============================*/
464 /*===================================================================*/
470 void correct_del (correct_trie_t*, size_t **);
471 void correct_add (correct_trie_t*, size_t ***, const char *);
472 char *correct_str (correction_t *, correct_trie_t*, const char *);
473 void correct_init(correction_t *);
474 void correct_free(correction_t *);
476 /*===================================================================*/
477 /*=========================== code.c ================================*/
478 /*===================================================================*/
480 /* Note: if you change the order, fix type_sizeof in ir.c */
496 TYPE_NIL , /* it's its own type / untyped */
497 TYPE_NOEXPR , /* simply invalid in expressions */
502 /* const/var qualifiers */
506 #define CV_WRONG 0x8000 /* magic number to help parsing */
508 extern const char *type_name [TYPE_COUNT];
509 extern const uint16_t type_store_instr [TYPE_COUNT];
510 extern const uint16_t field_store_instr[TYPE_COUNT];
513 * could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
514 * but this breaks when TYPE_INTEGER is added, since with the enhanced
515 * instruction set, the old ones are left untouched, thus the _I instructions
516 * are at a seperate place.
518 extern const uint16_t type_storep_instr[TYPE_COUNT];
519 extern const uint16_t type_eq_instr [TYPE_COUNT];
520 extern const uint16_t type_ne_instr [TYPE_COUNT];
521 extern const uint16_t type_not_instr [TYPE_COUNT];
524 uint32_t offset; /* Offset in file of where data begins */
525 uint32_t length; /* Length of section (how many of) */
529 uint32_t version; /* Program version (6) */
533 prog_section_t statements; /* prog_section_statement */
534 prog_section_t defs; /* prog_section_def */
535 prog_section_t fields; /* prog_section_field */
536 prog_section_t functions; /* prog_section_function */
537 prog_section_t strings;
538 prog_section_t globals;
539 uint32_t entfield; /* Number of entity fields */
543 * Each paramater incerements by 3 since vector types hold
544 * 3 components (x,y,z).
548 #define OFS_PARM0 (OFS_RETURN+3)
549 #define OFS_PARM1 (OFS_PARM0 +3)
550 #define OFS_PARM2 (OFS_PARM1 +3)
551 #define OFS_PARM3 (OFS_PARM2 +3)
552 #define OFS_PARM4 (OFS_PARM3 +3)
553 #define OFS_PARM5 (OFS_PARM4 +3)
554 #define OFS_PARM6 (OFS_PARM5 +3)
555 #define OFS_PARM7 (OFS_PARM6 +3)
562 int16_t s1; /* signed */
563 uint16_t u1; /* unsigned */
567 int16_t s1; /* signed */
568 uint16_t u1; /* unsigned */
572 int16_t s1; /* signed */
573 uint16_t u1; /* unsigned */
577 * This is the same as the structure in darkplaces
582 * But this one is more sane to work with, and the
583 * type sizes are guranteed.
585 } prog_section_statement_t;
597 * 7 = ev_pointer -- engine only
598 * 8 = ev_bad -- engine only
603 } prog_section_both_t;
605 typedef prog_section_both_t prog_section_def_t;
606 typedef prog_section_both_t prog_section_field_t;
608 /* this is ORed to the type */
609 #define DEF_SAVEGLOBAL (1<<15)
610 #define DEF_TYPEMASK ((1<<15)-1)
613 int32_t entry; /* in statement table for instructions */
614 uint32_t firstlocal; /* First local in local table */
615 uint32_t locals; /* Total ints of params + locals */
616 uint32_t profile; /* Always zero (engine uses this) */
617 uint32_t name; /* name of function in string table */
618 uint32_t file; /* file of the source file */
619 int32_t nargs; /* number of arguments */
620 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
621 } prog_section_function_t;
625 * These are the external instructions supported by the interperter
626 * this is what things compile to (from the C code).
632 INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
633 INSTR_MUL_VF, /* and here: B != C */
697 * Virtual instructions used by the IR
705 /* A never returning CALL.
706 * Creating this causes IR blocks to be marked as 'final'.
711 /* Emulated instructions. */
712 VINSTR_BITAND_V, /* BITAND_V must be the first emulated bitop */
725 extern const char *util_instr_str[VINSTR_END];
728 typedef float qcfloat_t;
729 typedef int32_t qcint_t;
730 typedef uint32_t qcuint_t;
733 prog_section_statement_t *statements;
736 prog_section_def_t *defs;
737 prog_section_field_t *fields;
738 prog_section_function_t *functions;
744 qcint_t string_cached_empty;
748 * A shallow copy of a lex_file to remember where which ast node
758 * code_write -- writes out the compiled file
759 * code_init -- prepares the code file
760 * code_genstrin -- generates string for code
761 * code_alloc_field -- allocated a field
762 * code_push_statement -- keeps statements and linenumbers together
763 * code_pop_statement -- keeps statements and linenumbers together
765 bool code_write (code_t *, const char *filename, const char *lno);
767 code_t *code_init (void);
768 void code_cleanup (code_t *);
769 uint32_t code_genstring (code_t *, const char *string);
770 qcint_t code_alloc_field (code_t *, size_t qcsize);
771 void code_push_statement(code_t *, prog_section_statement_t *stmt, lex_ctx_t ctx);
772 void code_pop_statement (code_t *);
775 /*===================================================================*/
776 /*============================ con.c ================================*/
777 /*===================================================================*/
796 FILE *con_default_out(void);
797 FILE *con_default_err(void);
799 void con_vprintmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, va_list ap);
800 void con_printmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, ...);
801 void con_cvprintmsg(lex_ctx_t ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
802 void con_cprintmsg (lex_ctx_t ctx, int lvl, const char *msgtype, const char *msg, ...);
804 void con_close (void);
805 void con_init (void);
806 void con_reset (void);
807 void con_color (int);
808 int con_change(const char *, const char *);
809 int con_verr (const char *, va_list);
810 int con_vout (const char *, va_list);
811 int con_err (const char *, ...);
812 int con_out (const char *, ...);
814 /* error/warning interface */
815 extern size_t compile_errors;
816 extern size_t compile_Werrors;
817 extern size_t compile_warnings;
819 void /********/ compile_error (lex_ctx_t ctx, /*LVL_ERROR*/ const char *msg, ...);
820 void /********/ vcompile_error (lex_ctx_t ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
821 bool GMQCC_WARN compile_warning (lex_ctx_t ctx, int warntype, const char *fmt, ...);
822 bool GMQCC_WARN vcompile_warning(lex_ctx_t ctx, int warntype, const char *fmt, va_list ap);
823 void compile_show_werrors(void);
825 /*===================================================================*/
826 /*============================= ir.c ================================*/
827 /*===================================================================*/
831 store_local, /* local, assignable for now, should get promoted later */
832 store_param, /* parameters, they are locals with a fixed position */
833 store_value, /* unassignable */
834 store_return /* unassignable, at OFS_RETURN */
841 /*===================================================================*/
842 /*============================= exec.c ==============================*/
843 /*===================================================================*/
847 * Darkplaces has (or will have) a 64 bit prog loader
848 * where the 32 bit qc program is autoconverted on load.
849 * Since we may want to support that as well, let's redefine
850 * float and int here.
862 typedef char qcfloat_t_size_is_correct [sizeof(qcfloat_t) == 4 ?1:-1];
863 typedef char qcint_t_size_is_correct [sizeof(qcint_t) == 4 ?1:-1];
867 VMERR_TEMPSTRING_ALLOC,
871 #define VM_JUMPS_DEFAULT 1000000
874 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
875 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
876 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
879 typedef int (*prog_builtin_t)(struct qc_program_s *prog);
884 prog_section_function_t *function;
887 typedef struct qc_program_s {
889 prog_section_statement_t *code;
890 prog_section_def_t *defs;
891 prog_section_def_t *fields;
892 prog_section_function_t *functions;
898 const char* *function_stack;
902 size_t tempstring_start;
903 size_t tempstring_at;
909 prog_builtin_t *builtins;
910 size_t builtins_count;
915 bool allowworldwrites;
918 qc_exec_stack_t *stack;
923 int argc; /* current arg count for debugging */
926 qc_program_t* prog_load (const char *filename, bool ignoreversion);
927 void prog_delete (qc_program_t *prog);
928 bool prog_exec (qc_program_t *prog, prog_section_function_t *func, size_t flags, long maxjumps);
929 const char* prog_getstring (qc_program_t *prog, qcint_t str);
930 prog_section_def_t* prog_entfield (qc_program_t *prog, qcint_t off);
931 prog_section_def_t* prog_getdef (qc_program_t *prog, qcint_t off);
932 qcany_t* prog_getedict (qc_program_t *prog, qcint_t e);
933 qcint_t prog_tempstring(qc_program_t *prog, const char *_str);
936 /*===================================================================*/
937 /*===================== parser.c commandline ========================*/
938 /*===================================================================*/
940 struct parser_s *parser_create (void);
941 bool parser_compile_file (struct parser_s *parser, const char *);
942 bool parser_compile_string(struct parser_s *parser, const char *, const char *, size_t);
943 bool parser_finish (struct parser_s *parser, const char *);
944 void parser_cleanup (struct parser_s *parser);
946 /*===================================================================*/
947 /*====================== ftepp.c commandline ========================*/
948 /*===================================================================*/
950 struct ftepp_s *ftepp_create (void);
951 bool ftepp_preprocess_file (struct ftepp_s *ftepp, const char *filename);
952 bool ftepp_preprocess_string(struct ftepp_s *ftepp, const char *name, const char *str);
953 void ftepp_finish (struct ftepp_s *ftepp);
954 const char *ftepp_get (struct ftepp_s *ftepp);
955 void ftepp_flush (struct ftepp_s *ftepp);
956 void ftepp_add_define (struct ftepp_s *ftepp, const char *source, const char *name);
957 void ftepp_add_macro (struct ftepp_s *ftepp, const char *name, const char *value);
959 /*===================================================================*/
960 /*======================= main.c commandline ========================*/
961 /*===================================================================*/
964 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
965 * to 32 or 64 -f options...
968 size_t idx; /* index into an array of 32 bit words */
969 uint8_t bit; /* bit index for the 8 bit group idx points to */
971 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
972 #define LONGBIT_SET(B, I) ((B).idx = (I)/32, (B).bit = ((I)%32))
974 typedef uint32_t longbit;
975 #define LONGBIT(bit) (bit)
976 #define LONGBIT_SET(B, I) ((B) = (I))
979 /*===================================================================*/
980 /*============================= utf8.c ==============================*/
981 /*===================================================================*/
982 typedef long utf8ch_t;
983 int utf8_from(char *, utf8ch_t);
984 int utf8_to(utf8ch_t *, const unsigned char *, size_t);
986 /*===================================================================*/
987 /*============================= opts.c ==============================*/
988 /*===================================================================*/
994 bool opts_setflag (const char *, bool);
995 bool opts_setwarn (const char *, bool);
996 bool opts_setwerror(const char *, bool);
997 bool opts_setoptim (const char *, bool);
999 void opts_init (const char *, int, size_t);
1000 void opts_set (uint32_t *, size_t, bool);
1001 void opts_setoptimlevel(unsigned int);
1002 void opts_ini_init (const char *);
1004 /* Saner flag handling */
1005 void opts_backup_non_Wall(void);
1006 void opts_restore_non_Wall(void);
1007 void opts_backup_non_Werror_all(void);
1008 void opts_restore_non_Werror_all(void);
1012 # define GMQCC_TYPE_FLAGS
1013 # define GMQCC_DEFINE_FLAG(X) X,
1014 # include "opts.def"
1019 # define GMQCC_TYPE_WARNS
1020 # define GMQCC_DEFINE_FLAG(X) WARN_##X,
1021 # include "opts.def"
1026 # define GMQCC_TYPE_OPTIMIZATIONS
1027 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
1028 # include "opts.def"
1033 # define GMQCC_TYPE_OPTIONS
1034 # define GMQCC_DEFINE_FLAG(X) OPTION_##X,
1035 # include "opts.def"
1039 extern const opts_flag_def_t opts_flag_list[COUNT_FLAGS+1];
1040 extern const opts_flag_def_t opts_warn_list[COUNT_WARNINGS+1];
1041 extern const opts_flag_def_t opts_opt_list[COUNT_OPTIMIZATIONS+1];
1042 extern const unsigned int opts_opt_oflag[COUNT_OPTIMIZATIONS+1];
1043 extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
1045 /* other options: */
1047 COMPILER_QCC, /* circa QuakeC */
1048 COMPILER_FTEQCC, /* fteqcc QuakeC */
1049 COMPILER_QCCX, /* qccx QuakeC */
1050 COMPILER_GMQCC /* this QuakeC */
1062 opt_value_t options [OPTION_COUNT];
1063 uint32_t flags [1 + (COUNT_FLAGS / 32)];
1064 uint32_t warn [1 + (COUNT_WARNINGS / 32)];
1065 uint32_t werror [1 + (COUNT_WARNINGS / 32)];
1066 uint32_t warn_backup [1 + (COUNT_WARNINGS / 32)];
1067 uint32_t werror_backup[1 + (COUNT_WARNINGS / 32)];
1068 uint32_t optimization [1 + (COUNT_OPTIMIZATIONS / 32)];
1069 bool optimizeoff; /* True when -O0 */
1072 extern opts_cmd_t opts;
1074 #define OPTS_GENERIC(f,i) (!! (((f)[(i)/32]) & (1<< (unsigned)((i)%32))))
1075 #define OPTS_FLAG(i) OPTS_GENERIC(opts.flags, (i))
1076 #define OPTS_WARN(i) OPTS_GENERIC(opts.warn, (i))
1077 #define OPTS_WERROR(i) OPTS_GENERIC(opts.werror, (i))
1078 #define OPTS_OPTIMIZATION(i) OPTS_GENERIC(opts.optimization, (i))
1079 #define OPTS_OPTION_BOOL(X) (opts.options[X].B)
1080 #define OPTS_OPTION_U16(X) (opts.options[X].U16)
1081 #define OPTS_OPTION_U32(X) (opts.options[X].U32)
1082 #define OPTS_OPTION_STR(X) (opts.options[X].STR)
1084 #endif /*! GMQCC_HDR */