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 <time.h> /* TODO: remove this? */
28 #include <stdio.h> /* TODO: remove this */
31 * Disable some over protective warnings in visual studio because fixing them is a waste
35 # pragma warning(disable : 4244 ) /* conversion from 'int' to 'float', possible loss of data */
36 #endif /*! _MSC_VER */
38 #define GMQCC_VERSION_MAJOR 0
39 #define GMQCC_VERSION_MINOR 4
40 #define GMQCC_VERSION_PATCH 0
41 #define GMQCC_VERSION_BUILD(J,N,P) (((J)<<16)|((N)<<8)|(P))
42 #define GMQCC_VERSION \
43 GMQCC_VERSION_BUILD(GMQCC_VERSION_MAJOR, GMQCC_VERSION_MINOR, GMQCC_VERSION_PATCH)
44 /* Undefine the following on a release-tag: */
45 #define GMQCC_VERSION_TYPE_DEVEL
47 /* Full version string in case we need it */
48 #ifdef GMQCC_VERSION_TYPE_DEVEL
50 # define GMQCC_DEV_VERSION_STRING "git build: " GMQCC_GITINFO "\n"
51 # elif defined(GMQCC_VERSION_TYPE_DEVEL)
52 # define GMQCC_DEV_VERSION_STRING "development build\n"
54 # define GMQCC_DEV_VERSION_STRING
55 # endif /*! GMQCC_GITINGO */
57 # define GMQCC_DEV_VERSION_STRING
60 #define GMQCC_STRINGIFY(x) #x
61 #define GMQCC_IND_STRING(x) GMQCC_STRINGIFY(x)
62 #define GMQCC_FULL_VERSION_STRING \
64 GMQCC_IND_STRING(GMQCC_VERSION_MAJOR) "." \
65 GMQCC_IND_STRING(GMQCC_VERSION_MINOR) "." \
66 GMQCC_IND_STRING(GMQCC_VERSION_PATCH) \
67 " Built " __DATE__ " " __TIME__ \
68 "\n" GMQCC_DEV_VERSION_STRING
71 * We cannot rely on C99 at all, since compilers like MSVC
72 * simply don't support it. We define our own boolean type
73 * as a result (since we cannot include <stdbool.h>). For
74 * compilers that are in 1999 mode (C99 compliant) we can use
75 * the language keyword _Bool which can allow for better code
76 * on GCC and GCC-like compilers, opposed to `int`.
85 # define false (unsigned)(0)
86 # define true (unsigned)(1)
87 # ifdef __STDC_VERSION__
88 # if __STDC_VERSION__ < 199901L && __GNUC__ < 3
92 # endif /*! __STDC_VERSION__ < 199901L && __GNUC__ < 3 */
95 # endif /*! __STDC_VERSION__ */
96 #endif /*! __cplusplus */
99 * Of some functions which are generated we want to make sure
100 * that the result isn't ignored. To find such function calls,
103 #if defined(__GNUC__) || defined(__CLANG__)
104 # define GMQCC_WARN __attribute__((warn_unused_result))
105 # define GMQCC_USED __attribute__((used))
109 #endif /*! defined(__GNUC__) || defined (__CLANG__) */
112 * Inline is not supported in < C90, however some compilers
113 * like gcc and clang might have an inline attribute we can
116 #ifdef __STDC_VERSION__
117 # if __STDC_VERSION__ < 199901L
118 # if defined(__GNUC__) || defined (__CLANG__)
120 # define GMQCC_INLINE
122 # define GMQCC_INLINE __attribute__ ((always_inline))
123 # endif /*! __GNUC__ < 2 */
125 # define GMQCC_INLINE
126 # endif /*! defined(__GNUC__) || defined (__CLANG__) */
128 # define GMQCC_INLINE inline
129 # endif /*! __STDC_VERSION < 199901L */
131 * Visual studio has __forcinline we can use. So lets use that
132 * I suspect it also has just __inline of some sort, but our use
133 * of inline is correct (not guessed), WE WANT IT TO BE INLINE
135 #elif defined(_MSC_VER)
136 # define GMQCC_INLINE __forceinline
138 # define GMQCC_INLINE
139 #endif /*! __STDC_VERSION__ */
142 * noreturn is present in GCC and clang
143 * it's required for _ast_node_destory otherwise -Wmissing-noreturn
144 * in clang complains about there being no return since abort() is
147 #if (defined(__GNUC__) && __GNUC__ >= 2) || defined(__CLANG__)
148 # define GMQCC_NORETURN __attribute__ ((noreturn))
150 # define GMQCC_NORETURN
151 #endif /*! (defined(__GNUC__) && __GNUC__ >= 2) || defined (__CLANG__) */
153 #if (defined(__GNUC__)) || defined(__CLANG__)
154 # define GMQCC_LIKELY(X) __builtin_expect((X), 1)
155 # define GMQCC_UNLIKELY(X) __builtin_expect((X), 0)
157 # define GMQCC_LIKELY(X) (X)
158 # define GMQCC_UNLIKELY(X) (X)
161 #define GMQCC_ARRAY_COUNT(X) (sizeof(X) / sizeof((X)[0]))
166 typedef unsigned __int8 uint8_t;
167 typedef unsigned __int16 uint16_t;
168 typedef unsigned __int32 uint32_t;
169 typedef unsigned __int64 uint64_t;
171 typedef __int16 int16_t;
172 typedef __int32 int32_t;
173 typedef __int64 int64_t;
174 #endif /*! _MSC_VER */
177 * Very roboust way at determining endianess at compile time: this handles
178 * almost every possible situation. Otherwise a runtime check has to be
181 #define GMQCC_BYTE_ORDER_LITTLE 1234
182 #define GMQCC_BYTE_ORDER_BIG 4321
184 #if defined (__GNUC__) || defined (__GNU_LIBRARY__)
185 # if defined (__FreeBSD__) || defined (__OpenBSD__)
186 # include <sys/endian.h>
187 # elif defined (BSD) && (BSD >= 199103) || defined (__DJGPP__) || defined (__CYGWIN32__)
188 # include <machine/endian.h>
189 # elif defined (__APPLE__)
190 # if defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN)
192 # elif defined (__LITTLE_ENDIAN__) && !defined (LITTLE_ENDIAN)
193 # define LITTLE_ENDIAN
194 # endif /*! defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN) */
195 # elif !defined (__MINGW32__)
197 # if !defined (__BEOS__)
198 # include <byteswap.h>
199 # endif /*! !definde (__BEOS__) */
200 # endif /*! defined (__FreeBSD__) || defined (__OpenBSD__) */
201 #endif /*! defined (__GNUC__) || defined (__GNU_LIBRARY__) */
202 #if !defined(PLATFORM_BYTE_ORDER)
203 # if defined (LITTLE_ENDIAN) || defined (BIG_ENDIAN)
204 # if defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN)
205 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
206 # elif !defined (LITTLE_ENDIAN) && defined (BIG_ENDIAN)
207 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
208 # elif defined (BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
209 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
210 # elif defined (BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)
211 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
212 # endif /*! defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN) */
213 # elif defined (_LITTLE_ENDIAN) || defined (_BIG_ENDIAN)
214 # if defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
215 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
216 # elif !defined (_LITTLE_ENDIAN) && defined (_BIG_ENDIAN)
217 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
218 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _LITTLE_ENDIAN)
219 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
220 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)
221 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
222 # endif /*! defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) */
223 # elif defined (__LITTLE_ENDIAN__) || defined (__BIG_ENDIAN__)
224 # if defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__)
225 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
226 # elif !defined (__LITTLE_ENDIAN__) && defined (__BIG_ENDIAN__)
227 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
228 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __LITTLE_ENDIAN__)
229 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
230 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__)
231 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
232 # endif /*! defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__) */
233 # endif /*! defined(LITTLE_ENDIAN) || defined (BIG_ENDIAN) */
234 #endif /*! !defined(PLATFORM_BYTE_ORDER) */
235 #if !defined (PLATFORM_BYTE_ORDER)
236 # if defined (__alpha__) || defined (__alpha) || defined (i386) || \
237 defined (__i386__) || defined (_M_I86) || defined (_M_IX86) || \
238 defined (__OS2__) || defined (sun386) || defined (__TURBOC__) || \
239 defined (vax) || defined (vms) || defined (VMS) || \
240 defined (__VMS) || defined (__x86_64__) || defined (_M_IA64) || \
241 defined (_M_X64) || defined (__i386) || defined (__x86_64)
242 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
243 # elif defined (AMIGA) || defined (applec) || defined (__AS400__) || \
244 defined (_CRAY) || defined (__hppa) || defined (__hp9000) || \
245 defined (ibm370) || defined (mc68000) || defined (m68k) || \
246 defined (__MRC__) || defined (__MVS__) || defined (__MWERKS__) || \
247 defined (sparc) || defined (__sparc) || defined (SYMANTEC_C) || \
248 defined (__TANDEM) || defined (THINK_C) || defined (__VMCMS__) || \
249 defined (__PPC__) || defined (__PPC) || defined (PPC)
250 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
252 # define PLATFORM_BYTE_ORDER -1
254 #endif /*! !defined (PLATFORM_BYTE_ORDER) */
257 * On windows systems where we're not compiling with MING32 we need a
258 * little extra help on dependinces for implementing our own dirent.h
261 #if defined(_WIN32) && !defined(__MINGW32__)
262 # define _WIN32_LEAN_AND_MEAN
263 # include <windows.h>
269 unsigned short d_reclen;
270 unsigned short d_namlen;
271 char d_name[FILENAME_MAX];
275 struct _finddata_t dd_dta;
276 struct dirent dd_dir;
282 * Visual studio also lacks S_ISDIR for sys/stat.h, so we emulate this as well
283 * which is not hard at all.
287 # endif /*! S_ISDIR */
288 # define S_ISDIR(X) ((X)&_S_IFDIR)
291 #endif /*! _WIN32 && !defined(__MINGW32__) */
293 /*===================================================================*/
294 /*=========================== stat.c ================================*/
295 /*===================================================================*/
296 void stat_info (void);
297 char *stat_mem_strdup (const char *, size_t, const char *, bool);
298 void *stat_mem_reallocate(void *, size_t, size_t, const char *);
299 void stat_mem_deallocate(void *);
300 void *stat_mem_allocate (size_t, size_t, const char *);
302 #define mem_a(SIZE) stat_mem_allocate ((SIZE), __LINE__, __FILE__)
303 #define mem_d(PTRN) stat_mem_deallocate((void*)(PTRN))
304 #define mem_r(PTRN, SIZE) stat_mem_reallocate((void*)(PTRN), (SIZE), __LINE__, __FILE__)
305 #define mem_af(SIZE, FILE, LINE) stat_mem_allocate ((SIZE), (LINE), (FILE))
307 /* TODO: rename to mem variations */
308 #define util_strdup(SRC) stat_mem_strdup((char*)(SRC), __LINE__, __FILE__, false)
309 #define util_strdupe(SRC) stat_mem_strdup((char*)(SRC), __LINE__, __FILE__, true)
311 /*===================================================================*/
312 /*=========================== util.c ================================*/
313 /*===================================================================*/
316 * Microsoft implements against the spec versions of ctype.h. Which
317 * means what ever the current set locale is will render the actual
318 * results of say isalpha('A') wrong for what ever retarded locale
319 * is used. Simalerly these are also implemented inefficently on
320 * some toolchains and end up becoming actual library calls. Perhaps
321 * this is why tools like yacc provide their own? Regardless implementing
322 * these as functions is equally as silly, the call overhead is not
323 * justified when this could happen on every character from an input
324 * stream. We provide our own as macros for absolute inlinability.
326 #define util_isalpha(a) ((((unsigned)(a)|32)-'a') < 26)
327 #define util_isdigit(a) (((unsigned)(a)-'0') < 10)
328 #define util_islower(a) (((unsigned)(a)-'a') < 26)
329 #define util_isupper(a) (((unsigned)(a)-'A') < 26)
330 #define util_isprint(a) (((unsigned)(a)-0x20) < 0x5F)
331 #define util_isspace(a) (((a) >= 9 && (a) <= 13) || (a) == ' ')
333 bool util_filexists (const char *);
334 bool util_strupper (const char *);
335 bool util_strdigit (const char *);
336 void util_endianswap (void *, size_t, unsigned int);
338 size_t util_strtocmd (const char *, char *, size_t);
339 size_t util_strtononcmd (const char *, char *, size_t);
340 size_t util_optimizationtostr(const char *, char *, size_t);
342 uint16_t util_crc16(uint16_t crc, const char *data, size_t len);
344 void util_seed(uint32_t);
345 uint32_t util_rand(void);
347 int util_vasprintf(char **ret, const char *fmt, va_list);
348 int util_asprintf (char **ret, const char *fmt, ...);
351 * A flexible vector implementation: all vector pointers contain some
352 * data about themselfs exactly - sizeof(vector_t) behind the pointer
353 * this data is represented in the structure below. Doing this allows
354 * us to use the array [] to access individual elements from the vector
355 * opposed to using set/get methods.
361 /* can be extended now! whoot */
364 /* hidden interface */
365 void _util_vec_grow(void **a, size_t i, size_t s);
366 #define GMQCC_VEC_WILLGROW(X,Y) ( \
367 ((!(X) || vec_meta(X)->used + Y >= vec_meta(X)->allocated)) ? \
368 (void)_util_vec_grow(((void**)&(X)), (Y), sizeof(*(X))) : \
372 /* exposed interface */
373 #define vec_meta(A) (((vector_t*)((void*)A)) - 1)
374 #define vec_free(A) ((void)((A) ? (mem_d((void*)vec_meta(A)), (A) = NULL) : 0))
375 #define vec_push(A,V) (GMQCC_VEC_WILLGROW((A),1), (A)[vec_meta(A)->used++] = (V))
376 #define vec_size(A) ((A) ? vec_meta(A)->used : 0)
377 #define vec_add(A,N) (GMQCC_VEC_WILLGROW((A),(N)), vec_meta(A)->used += (N), &(A)[vec_meta(A)->used-(N)])
378 #define vec_last(A) ((A)[vec_meta(A)->used - 1])
379 #define vec_pop(A) ((void)(vec_meta(A)->used -= 1))
380 #define vec_shrinkto(A,N) ((void)(vec_meta(A)->used = (N)))
381 #define vec_shrinkby(A,N) ((void)(vec_meta(A)->used -= (N)))
382 #define vec_append(A,N,S) ((void)(memcpy(vec_add((A), (N)), (S), (N) * sizeof(*(S)))))
383 #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)))
385 typedef struct correct_trie_s {
387 struct correct_trie_s *entries;
390 correct_trie_t* correct_trie_new(void);
392 typedef struct hash_table_s {
394 struct hash_node_t **table;
398 * hashtable implementation:
401 * This was designed for pointers: you manage the life of the object yourself
402 * if you do use this for non-pointers please be warned that the object may not
403 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
404 * yourself, or put those in global scope to ensure duration is for the whole
407 * util_htnew(size) -- to make a new hashtable
408 * util_htset(table, key, value, sizeof(value)) -- to set something in the table
409 * util_htget(table, key) -- to get something from the table
410 * util_htdel(table) -- to delete the table
414 * ht foo = util_htnew(1024);
416 * char *test = "hello world\n";
417 * util_htset(foo, "foo", (void*)&data);
418 * util_gtset(foo, "bar", (void*)test);
420 * printf("foo: %d, bar %s",
421 * *((int *)util_htget(foo, "foo")),
422 * ((char*)util_htget(foo, "bar"))
427 hash_table_t *util_htnew (size_t size);
428 void util_htrem (hash_table_t *ht, void (*callback)(void *data));
429 void util_htset (hash_table_t *ht, const char *key, void *value);
430 void util_htdel (hash_table_t *ht);
431 size_t util_hthash(hash_table_t *ht, const char *key);
432 void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
433 void util_htrmh (hash_table_t *ht, const char *key, size_t bin, void (*cb)(void*));
434 void util_htrm (hash_table_t *ht, const char *key, void (*cb)(void*));
436 void *util_htget (hash_table_t *ht, const char *key);
437 void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
439 /*===================================================================*/
440 /*============================ file.c ===============================*/
441 /*===================================================================*/
443 void fs_file_close (FILE *);
444 int fs_file_error (FILE *);
445 int fs_file_getc (FILE *);
446 int fs_file_printf (FILE *, const char *, ...);
447 int fs_file_puts (FILE *, const char *);
448 int fs_file_seek (FILE *, long int, int);
449 long int fs_file_tell (FILE *);
451 size_t fs_file_read (void *, size_t, size_t, FILE *);
452 size_t fs_file_write (const void *, size_t, size_t, FILE *);
454 FILE *fs_file_open (const char *, const char *);
455 int fs_file_getline(char **, size_t *, FILE *);
457 /* directory handling */
458 int fs_dir_make (const char *);
459 DIR *fs_dir_open (const char *);
460 int fs_dir_close (DIR *);
461 struct dirent *fs_dir_read (DIR *);
464 int platform_vsnprintf(char *buffer, size_t bytes, const char *format, va_list arg);
465 int platform_sscanf(const char *str, const char *format, ...);
466 const struct tm *platform_localtime(const time_t *timer);
467 const char *platform_ctime(const time_t *timer);
468 char *platform_strncat(char *dest, const char *src, size_t num);
469 const char *platform_tmpnam(char *str);
470 const char *platform_getenv(char *var);
471 int platform_snprintf(char *src, size_t bytes, const char *format, ...);
472 char *platform_strcat(char *dest, const char *src);
473 char *platform_strncpy(char *dest, const char *src, size_t num);
474 const char *platform_strerror(int err);
476 /*===================================================================*/
477 /*=========================== correct.c =============================*/
478 /*===================================================================*/
484 void correct_del (correct_trie_t*, size_t **);
485 void correct_add (correct_trie_t*, size_t ***, const char *);
486 char *correct_str (correction_t *, correct_trie_t*, const char *);
487 void correct_init(correction_t *);
488 void correct_free(correction_t *);
490 /*===================================================================*/
491 /*=========================== code.c ================================*/
492 /*===================================================================*/
494 /* Note: if you change the order, fix type_sizeof in ir.c */
510 TYPE_NIL , /* it's its own type / untyped */
511 TYPE_NOEXPR , /* simply invalid in expressions */
516 /* const/var qualifiers */
520 #define CV_WRONG 0x8000 /* magic number to help parsing */
522 extern const char *type_name [TYPE_COUNT];
523 extern const uint16_t type_store_instr [TYPE_COUNT];
524 extern const uint16_t field_store_instr[TYPE_COUNT];
527 * could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
528 * but this breaks when TYPE_INTEGER is added, since with the enhanced
529 * instruction set, the old ones are left untouched, thus the _I instructions
530 * are at a seperate place.
532 extern const uint16_t type_storep_instr[TYPE_COUNT];
533 extern const uint16_t type_eq_instr [TYPE_COUNT];
534 extern const uint16_t type_ne_instr [TYPE_COUNT];
535 extern const uint16_t type_not_instr [TYPE_COUNT];
538 uint32_t offset; /* Offset in file of where data begins */
539 uint32_t length; /* Length of section (how many of) */
543 uint32_t version; /* Program version (6) */
547 prog_section_t statements; /* prog_section_statement */
548 prog_section_t defs; /* prog_section_def */
549 prog_section_t fields; /* prog_section_field */
550 prog_section_t functions; /* prog_section_function */
551 prog_section_t strings;
552 prog_section_t globals;
553 uint32_t entfield; /* Number of entity fields */
557 * Each paramater incerements by 3 since vector types hold
558 * 3 components (x,y,z).
562 #define OFS_PARM0 (OFS_RETURN+3)
563 #define OFS_PARM1 (OFS_PARM0 +3)
564 #define OFS_PARM2 (OFS_PARM1 +3)
565 #define OFS_PARM3 (OFS_PARM2 +3)
566 #define OFS_PARM4 (OFS_PARM3 +3)
567 #define OFS_PARM5 (OFS_PARM4 +3)
568 #define OFS_PARM6 (OFS_PARM5 +3)
569 #define OFS_PARM7 (OFS_PARM6 +3)
576 int16_t s1; /* signed */
577 uint16_t u1; /* unsigned */
581 int16_t s1; /* signed */
582 uint16_t u1; /* unsigned */
586 int16_t s1; /* signed */
587 uint16_t u1; /* unsigned */
591 * This is the same as the structure in darkplaces
596 * But this one is more sane to work with, and the
597 * type sizes are guranteed.
599 } prog_section_statement_t;
611 * 7 = ev_pointer -- engine only
612 * 8 = ev_bad -- engine only
617 } prog_section_both_t;
619 typedef prog_section_both_t prog_section_def_t;
620 typedef prog_section_both_t prog_section_field_t;
622 /* this is ORed to the type */
623 #define DEF_SAVEGLOBAL (1<<15)
624 #define DEF_TYPEMASK ((1<<15)-1)
627 int32_t entry; /* in statement table for instructions */
628 uint32_t firstlocal; /* First local in local table */
629 uint32_t locals; /* Total ints of params + locals */
630 uint32_t profile; /* Always zero (engine uses this) */
631 uint32_t name; /* name of function in string table */
632 uint32_t file; /* file of the source file */
633 int32_t nargs; /* number of arguments */
634 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
635 } prog_section_function_t;
639 * These are the external instructions supported by the interperter
640 * this is what things compile to (from the C code).
646 INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
647 INSTR_MUL_VF, /* and here: B != C */
711 * Virtual instructions used by the IR
719 /* A never returning CALL.
720 * Creating this causes IR blocks to be marked as 'final'.
725 /* Emulated instructions. */
726 VINSTR_BITAND_V, /* BITAND_V must be the first emulated bitop */
739 extern const char *util_instr_str[VINSTR_END];
742 typedef float qcfloat_t;
743 typedef int32_t qcint_t;
744 typedef uint32_t qcuint_t;
747 prog_section_statement_t *statements;
750 prog_section_def_t *defs;
751 prog_section_field_t *fields;
752 prog_section_function_t *functions;
758 qcint_t string_cached_empty;
762 * A shallow copy of a lex_file to remember where which ast node
772 * code_write -- writes out the compiled file
773 * code_init -- prepares the code file
774 * code_genstrin -- generates string for code
775 * code_alloc_field -- allocated a field
776 * code_push_statement -- keeps statements and linenumbers together
777 * code_pop_statement -- keeps statements and linenumbers together
779 bool code_write (code_t *, const char *filename, const char *lno);
781 code_t *code_init (void);
782 void code_cleanup (code_t *);
783 uint32_t code_genstring (code_t *, const char *string);
784 qcint_t code_alloc_field (code_t *, size_t qcsize);
785 void code_push_statement(code_t *, prog_section_statement_t *stmt, lex_ctx_t ctx);
786 void code_pop_statement (code_t *);
789 /*===================================================================*/
790 /*============================ con.c ================================*/
791 /*===================================================================*/
810 FILE *con_default_out(void);
811 FILE *con_default_err(void);
813 void con_vprintmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, va_list ap);
814 void con_printmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, ...);
815 void con_cvprintmsg(lex_ctx_t ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
816 void con_cprintmsg (lex_ctx_t ctx, int lvl, const char *msgtype, const char *msg, ...);
818 void con_close (void);
819 void con_init (void);
820 void con_reset (void);
821 void con_color (int);
822 int con_change(const char *, const char *);
823 int con_verr (const char *, va_list);
824 int con_vout (const char *, va_list);
825 int con_err (const char *, ...);
826 int con_out (const char *, ...);
828 /* error/warning interface */
829 extern size_t compile_errors;
830 extern size_t compile_Werrors;
831 extern size_t compile_warnings;
833 void /********/ compile_error (lex_ctx_t ctx, /*LVL_ERROR*/ const char *msg, ...);
834 void /********/ vcompile_error (lex_ctx_t ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
835 bool GMQCC_WARN compile_warning (lex_ctx_t ctx, int warntype, const char *fmt, ...);
836 bool GMQCC_WARN vcompile_warning(lex_ctx_t ctx, int warntype, const char *fmt, va_list ap);
837 void compile_show_werrors(void);
839 /*===================================================================*/
840 /*============================= ir.c ================================*/
841 /*===================================================================*/
845 store_local, /* local, assignable for now, should get promoted later */
846 store_param, /* parameters, they are locals with a fixed position */
847 store_value, /* unassignable */
848 store_return /* unassignable, at OFS_RETURN */
855 /*===================================================================*/
856 /*============================= exec.c ==============================*/
857 /*===================================================================*/
861 * Darkplaces has (or will have) a 64 bit prog loader
862 * where the 32 bit qc program is autoconverted on load.
863 * Since we may want to support that as well, let's redefine
864 * float and int here.
876 typedef char qcfloat_t_size_is_correct [sizeof(qcfloat_t) == 4 ?1:-1];
877 typedef char qcint_t_size_is_correct [sizeof(qcint_t) == 4 ?1:-1];
881 VMERR_TEMPSTRING_ALLOC,
885 #define VM_JUMPS_DEFAULT 1000000
888 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
889 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
890 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
893 typedef int (*prog_builtin_t)(struct qc_program_s *prog);
898 prog_section_function_t *function;
901 typedef struct qc_program_s {
903 prog_section_statement_t *code;
904 prog_section_def_t *defs;
905 prog_section_def_t *fields;
906 prog_section_function_t *functions;
912 const char* *function_stack;
916 size_t tempstring_start;
917 size_t tempstring_at;
923 prog_builtin_t *builtins;
924 size_t builtins_count;
929 bool allowworldwrites;
932 qc_exec_stack_t *stack;
937 int argc; /* current arg count for debugging */
940 qc_program_t* prog_load (const char *filename, bool ignoreversion);
941 void prog_delete (qc_program_t *prog);
942 bool prog_exec (qc_program_t *prog, prog_section_function_t *func, size_t flags, long maxjumps);
943 const char* prog_getstring (qc_program_t *prog, qcint_t str);
944 prog_section_def_t* prog_entfield (qc_program_t *prog, qcint_t off);
945 prog_section_def_t* prog_getdef (qc_program_t *prog, qcint_t off);
946 qcany_t* prog_getedict (qc_program_t *prog, qcint_t e);
947 qcint_t prog_tempstring(qc_program_t *prog, const char *_str);
950 /*===================================================================*/
951 /*===================== parser.c commandline ========================*/
952 /*===================================================================*/
954 struct parser_s *parser_create (void);
955 bool parser_compile_file (struct parser_s *parser, const char *);
956 bool parser_compile_string(struct parser_s *parser, const char *, const char *, size_t);
957 bool parser_finish (struct parser_s *parser, const char *);
958 void parser_cleanup (struct parser_s *parser);
960 /*===================================================================*/
961 /*====================== ftepp.c commandline ========================*/
962 /*===================================================================*/
964 struct ftepp_s *ftepp_create (void);
965 bool ftepp_preprocess_file (struct ftepp_s *ftepp, const char *filename);
966 bool ftepp_preprocess_string(struct ftepp_s *ftepp, const char *name, const char *str);
967 void ftepp_finish (struct ftepp_s *ftepp);
968 const char *ftepp_get (struct ftepp_s *ftepp);
969 void ftepp_flush (struct ftepp_s *ftepp);
970 void ftepp_add_define (struct ftepp_s *ftepp, const char *source, const char *name);
971 void ftepp_add_macro (struct ftepp_s *ftepp, const char *name, const char *value);
973 /*===================================================================*/
974 /*======================= main.c commandline ========================*/
975 /*===================================================================*/
978 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
979 * to 32 or 64 -f options...
982 size_t idx; /* index into an array of 32 bit words */
983 uint8_t bit; /* bit index for the 8 bit group idx points to */
985 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
986 #define LONGBIT_SET(B, I) ((B).idx = (I)/32, (B).bit = ((I)%32))
988 typedef uint32_t longbit;
989 #define LONGBIT(bit) (bit)
990 #define LONGBIT_SET(B, I) ((B) = (I))
993 /*===================================================================*/
994 /*============================= utf8.c ==============================*/
995 /*===================================================================*/
996 typedef long utf8ch_t;
997 int utf8_from(char *, utf8ch_t);
998 int utf8_to(utf8ch_t *, const unsigned char *, size_t);
1000 /*===================================================================*/
1001 /*============================= opts.c ==============================*/
1002 /*===================================================================*/
1008 bool opts_setflag (const char *, bool);
1009 bool opts_setwarn (const char *, bool);
1010 bool opts_setwerror(const char *, bool);
1011 bool opts_setoptim (const char *, bool);
1013 void opts_init (const char *, int, size_t);
1014 void opts_set (uint32_t *, size_t, bool);
1015 void opts_setoptimlevel(unsigned int);
1016 void opts_ini_init (const char *);
1018 /* Saner flag handling */
1019 void opts_backup_non_Wall(void);
1020 void opts_restore_non_Wall(void);
1021 void opts_backup_non_Werror_all(void);
1022 void opts_restore_non_Werror_all(void);
1026 # define GMQCC_TYPE_FLAGS
1027 # define GMQCC_DEFINE_FLAG(X) X,
1028 # include "opts.def"
1033 # define GMQCC_TYPE_WARNS
1034 # define GMQCC_DEFINE_FLAG(X) WARN_##X,
1035 # include "opts.def"
1040 # define GMQCC_TYPE_OPTIMIZATIONS
1041 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
1042 # include "opts.def"
1047 # define GMQCC_TYPE_OPTIONS
1048 # define GMQCC_DEFINE_FLAG(X) OPTION_##X,
1049 # include "opts.def"
1053 extern const opts_flag_def_t opts_flag_list[COUNT_FLAGS+1];
1054 extern const opts_flag_def_t opts_warn_list[COUNT_WARNINGS+1];
1055 extern const opts_flag_def_t opts_opt_list[COUNT_OPTIMIZATIONS+1];
1056 extern const unsigned int opts_opt_oflag[COUNT_OPTIMIZATIONS+1];
1057 extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
1059 /* other options: */
1061 COMPILER_QCC, /* circa QuakeC */
1062 COMPILER_FTEQCC, /* fteqcc QuakeC */
1063 COMPILER_QCCX, /* qccx QuakeC */
1064 COMPILER_GMQCC /* this QuakeC */
1076 opt_value_t options [OPTION_COUNT];
1077 uint32_t flags [1 + (COUNT_FLAGS / 32)];
1078 uint32_t warn [1 + (COUNT_WARNINGS / 32)];
1079 uint32_t werror [1 + (COUNT_WARNINGS / 32)];
1080 uint32_t warn_backup [1 + (COUNT_WARNINGS / 32)];
1081 uint32_t werror_backup[1 + (COUNT_WARNINGS / 32)];
1082 uint32_t optimization [1 + (COUNT_OPTIMIZATIONS / 32)];
1083 bool optimizeoff; /* True when -O0 */
1086 extern opts_cmd_t opts;
1088 #define OPTS_GENERIC(f,i) (!! (((f)[(i)/32]) & (1<< (unsigned)((i)%32))))
1089 #define OPTS_FLAG(i) OPTS_GENERIC(opts.flags, (i))
1090 #define OPTS_WARN(i) OPTS_GENERIC(opts.warn, (i))
1091 #define OPTS_WERROR(i) OPTS_GENERIC(opts.werror, (i))
1092 #define OPTS_OPTIMIZATION(i) OPTS_GENERIC(opts.optimization, (i))
1093 #define OPTS_OPTION_BOOL(X) (opts.options[X].B)
1094 #define OPTS_OPTION_U16(X) (opts.options[X].U16)
1095 #define OPTS_OPTION_U32(X) (opts.options[X].U32)
1096 #define OPTS_OPTION_STR(X) (opts.options[X].STR)
1098 #endif /*! GMQCC_HDR */