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 3
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_debug (const char *, 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);
348 * String functions (formatting, copying, concatenating, errors). These are wrapped
349 * to use the MSVC _safe_ versions when using MSVC, plus some implementations of
350 * these are non-conformant or don't exist such as asprintf and snprintf, which are
351 * not supported in C90, but do exist in C99.
353 int util_vasprintf(char **ret, const char *fmt, va_list);
354 int util_asprintf (char **ret, const char *fmt, ...);
355 int util_snprintf (char *src, size_t bytes, const char *format, ...);
356 char *util_strcat (char *dest, const char *src);
357 char *util_strncpy (char *dest, const char *src, size_t num);
358 const char *util_strerror (int num);
361 * A flexible vector implementation: all vector pointers contain some
362 * data about themselfs exactly - sizeof(vector_t) behind the pointer
363 * this data is represented in the structure below. Doing this allows
364 * us to use the array [] to access individual elements from the vector
365 * opposed to using set/get methods.
371 /* can be extended now! whoot */
374 /* hidden interface */
375 void _util_vec_grow(void **a, size_t i, size_t s);
376 #define GMQCC_VEC_WILLGROW(X,Y) ( \
377 ((!(X) || vec_meta(X)->used + Y >= vec_meta(X)->allocated)) ? \
378 (void)_util_vec_grow(((void**)&(X)), (Y), sizeof(*(X))) : \
382 /* exposed interface */
383 #define vec_meta(A) (((vector_t*)((void*)A)) - 1)
384 #define vec_free(A) ((void)((A) ? (mem_d((void*)vec_meta(A)), (A) = NULL) : 0))
385 #define vec_push(A,V) (GMQCC_VEC_WILLGROW((A),1), (A)[vec_meta(A)->used++] = (V))
386 #define vec_size(A) ((A) ? vec_meta(A)->used : 0)
387 #define vec_add(A,N) (GMQCC_VEC_WILLGROW((A),(N)), vec_meta(A)->used += (N), &(A)[vec_meta(A)->used-(N)])
388 #define vec_last(A) ((A)[vec_meta(A)->used - 1])
389 #define vec_pop(A) ((void)(vec_meta(A)->used -= 1))
390 #define vec_shrinkto(A,N) ((void)(vec_meta(A)->used = (N)))
391 #define vec_shrinkby(A,N) ((void)(vec_meta(A)->used -= (N)))
392 #define vec_append(A,N,S) ((void)(memcpy(vec_add((A), (N)), (S), (N) * sizeof(*(S)))))
393 #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)))
395 typedef struct correct_trie_s {
397 struct correct_trie_s *entries;
400 correct_trie_t* correct_trie_new(void);
402 typedef struct hash_table_s {
404 struct hash_node_t **table;
408 * hashtable implementation:
411 * This was designed for pointers: you manage the life of the object yourself
412 * if you do use this for non-pointers please be warned that the object may not
413 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
414 * yourself, or put those in global scope to ensure duration is for the whole
417 * util_htnew(size) -- to make a new hashtable
418 * util_htset(table, key, value, sizeof(value)) -- to set something in the table
419 * util_htget(table, key) -- to get something from the table
420 * util_htdel(table) -- to delete the table
424 * ht foo = util_htnew(1024);
426 * char *test = "hello world\n";
427 * util_htset(foo, "foo", (void*)&data);
428 * util_gtset(foo, "bar", (void*)test);
430 * printf("foo: %d, bar %s",
431 * *((int *)util_htget(foo, "foo")),
432 * ((char*)util_htget(foo, "bar"))
437 hash_table_t *util_htnew (size_t size);
438 void util_htrem (hash_table_t *ht, void (*callback)(void *data));
439 void util_htset (hash_table_t *ht, const char *key, void *value);
440 void util_htdel (hash_table_t *ht);
441 size_t util_hthash(hash_table_t *ht, const char *key);
442 void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
443 void util_htrmh (hash_table_t *ht, const char *key, size_t bin, void (*cb)(void*));
444 void util_htrm (hash_table_t *ht, const char *key, void (*cb)(void*));
446 void *util_htget (hash_table_t *ht, const char *key);
447 void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
449 /*===================================================================*/
450 /*============================ file.c ===============================*/
451 /*===================================================================*/
453 void fs_file_close (FILE *);
454 int fs_file_error (FILE *);
455 int fs_file_getc (FILE *);
456 int fs_file_printf (FILE *, const char *, ...);
457 int fs_file_puts (FILE *, const char *);
458 int fs_file_seek (FILE *, long int, int);
459 long int fs_file_tell (FILE *);
461 size_t fs_file_read (void *, size_t, size_t, FILE *);
462 size_t fs_file_write (const void *, size_t, size_t, FILE *);
464 FILE *fs_file_open (const char *, const char *);
465 int fs_file_getline(char **, size_t *, FILE *);
467 /* directory handling */
468 int fs_dir_make (const char *);
469 DIR *fs_dir_open (const char *);
470 int fs_dir_close (DIR *);
471 struct dirent *fs_dir_read (DIR *);
474 /*===================================================================*/
475 /*=========================== correct.c =============================*/
476 /*===================================================================*/
482 void correct_del (correct_trie_t*, size_t **);
483 void correct_add (correct_trie_t*, size_t ***, const char *);
484 char *correct_str (correction_t *, correct_trie_t*, const char *);
485 void correct_init(correction_t *);
486 void correct_free(correction_t *);
488 /*===================================================================*/
489 /*=========================== code.c ================================*/
490 /*===================================================================*/
492 /* Note: if you change the order, fix type_sizeof in ir.c */
508 TYPE_NIL , /* it's its own type / untyped */
509 TYPE_NOEXPR , /* simply invalid in expressions */
514 /* const/var qualifiers */
518 #define CV_WRONG 0x8000 /* magic number to help parsing */
520 extern const char *type_name [TYPE_COUNT];
521 extern const uint16_t type_store_instr [TYPE_COUNT];
522 extern const uint16_t field_store_instr[TYPE_COUNT];
525 * could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
526 * but this breaks when TYPE_INTEGER is added, since with the enhanced
527 * instruction set, the old ones are left untouched, thus the _I instructions
528 * are at a seperate place.
530 extern const uint16_t type_storep_instr[TYPE_COUNT];
531 extern const uint16_t type_eq_instr [TYPE_COUNT];
532 extern const uint16_t type_ne_instr [TYPE_COUNT];
533 extern const uint16_t type_not_instr [TYPE_COUNT];
536 uint32_t offset; /* Offset in file of where data begins */
537 uint32_t length; /* Length of section (how many of) */
541 uint32_t version; /* Program version (6) */
545 prog_section_t statements; /* prog_section_statement */
546 prog_section_t defs; /* prog_section_def */
547 prog_section_t fields; /* prog_section_field */
548 prog_section_t functions; /* prog_section_function */
549 prog_section_t strings;
550 prog_section_t globals;
551 uint32_t entfield; /* Number of entity fields */
555 * Each paramater incerements by 3 since vector types hold
556 * 3 components (x,y,z).
560 #define OFS_PARM0 (OFS_RETURN+3)
561 #define OFS_PARM1 (OFS_PARM0 +3)
562 #define OFS_PARM2 (OFS_PARM1 +3)
563 #define OFS_PARM3 (OFS_PARM2 +3)
564 #define OFS_PARM4 (OFS_PARM3 +3)
565 #define OFS_PARM5 (OFS_PARM4 +3)
566 #define OFS_PARM6 (OFS_PARM5 +3)
567 #define OFS_PARM7 (OFS_PARM6 +3)
574 int16_t s1; /* signed */
575 uint16_t u1; /* unsigned */
579 int16_t s1; /* signed */
580 uint16_t u1; /* unsigned */
584 int16_t s1; /* signed */
585 uint16_t u1; /* unsigned */
589 * This is the same as the structure in darkplaces
594 * But this one is more sane to work with, and the
595 * type sizes are guranteed.
597 } prog_section_statement_t;
609 * 7 = ev_pointer -- engine only
610 * 8 = ev_bad -- engine only
615 } prog_section_both_t;
617 typedef prog_section_both_t prog_section_def_t;
618 typedef prog_section_both_t prog_section_field_t;
620 /* this is ORed to the type */
621 #define DEF_SAVEGLOBAL (1<<15)
622 #define DEF_TYPEMASK ((1<<15)-1)
625 int32_t entry; /* in statement table for instructions */
626 uint32_t firstlocal; /* First local in local table */
627 uint32_t locals; /* Total ints of params + locals */
628 uint32_t profile; /* Always zero (engine uses this) */
629 uint32_t name; /* name of function in string table */
630 uint32_t file; /* file of the source file */
631 int32_t nargs; /* number of arguments */
632 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
633 } prog_section_function_t;
637 * These are the external instructions supported by the interperter
638 * this is what things compile to (from the C code).
644 INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
645 INSTR_MUL_VF, /* and here: B != C */
709 * Virtual instructions used by the IR
716 /* A never returning CALL.
717 * Creating this causes IR blocks to be marked as 'final'.
724 extern const char *util_instr_str[VINSTR_END];
727 typedef float qcfloat_t;
728 typedef int32_t qcint_t;
729 typedef uint32_t qcuint_t;
732 prog_section_statement_t *statements;
734 prog_section_def_t *defs;
735 prog_section_field_t *fields;
736 prog_section_function_t *functions;
742 qcint_t string_cached_empty;
746 * code_write -- writes out the compiled file
747 * code_init -- prepares the code file
748 * code_genstrin -- generates string for code
749 * code_alloc_field -- allocated a field
750 * code_push_statement -- keeps statements and linenumbers together
751 * code_pop_statement -- keeps statements and linenumbers together
753 bool code_write (code_t *, const char *filename, const char *lno);
755 code_t *code_init (void);
756 void code_cleanup (code_t *);
757 uint32_t code_genstring (code_t *, const char *string);
758 qcint_t code_alloc_field (code_t *, size_t qcsize);
759 void code_push_statement(code_t *, prog_section_statement_t *stmt, int linenum);
760 void code_pop_statement (code_t *);
763 * A shallow copy of a lex_file to remember where which ast node
772 /*===================================================================*/
773 /*============================ con.c ================================*/
774 /*===================================================================*/
793 FILE *con_default_out(void);
794 FILE *con_default_err(void);
796 void con_vprintmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, va_list ap);
797 void con_printmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, ...);
798 void con_cvprintmsg(lex_ctx_t ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
799 void con_cprintmsg (lex_ctx_t ctx, int lvl, const char *msgtype, const char *msg, ...);
801 void con_close (void);
802 void con_init (void);
803 void con_reset (void);
804 void con_color (int);
805 int con_change(const char *, const char *);
806 int con_verr (const char *, va_list);
807 int con_vout (const char *, va_list);
808 int con_err (const char *, ...);
809 int con_out (const char *, ...);
811 /* error/warning interface */
812 extern size_t compile_errors;
813 extern size_t compile_Werrors;
814 extern size_t compile_warnings;
816 void /********/ compile_error (lex_ctx_t ctx, /*LVL_ERROR*/ const char *msg, ...);
817 void /********/ vcompile_error (lex_ctx_t ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
818 bool GMQCC_WARN compile_warning (lex_ctx_t ctx, int warntype, const char *fmt, ...);
819 bool GMQCC_WARN vcompile_warning(lex_ctx_t ctx, int warntype, const char *fmt, va_list ap);
820 void compile_show_werrors(void);
822 /*===================================================================*/
823 /*============================= ir.c ================================*/
824 /*===================================================================*/
828 store_local, /* local, assignable for now, should get promoted later */
829 store_param, /* parameters, they are locals with a fixed position */
830 store_value, /* unassignable */
831 store_return /* unassignable, at OFS_RETURN */
838 /*===================================================================*/
839 /*============================= exec.c ==============================*/
840 /*===================================================================*/
844 * Darkplaces has (or will have) a 64 bit prog loader
845 * where the 32 bit qc program is autoconverted on load.
846 * Since we may want to support that as well, let's redefine
847 * float and int here.
859 typedef char qcfloat_t_size_is_correct [sizeof(qcfloat_t) == 4 ?1:-1];
860 typedef char qcint_t_size_is_correct [sizeof(qcint_t) == 4 ?1:-1];
864 VMERR_TEMPSTRING_ALLOC,
868 #define VM_JUMPS_DEFAULT 1000000
871 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
872 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
873 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
876 typedef int (*prog_builtin_t)(struct qc_program_s *prog);
881 prog_section_function_t *function;
884 typedef struct qc_program_s {
886 prog_section_statement_t *code;
887 prog_section_def_t *defs;
888 prog_section_def_t *fields;
889 prog_section_function_t *functions;
895 const char* *function_stack;
899 size_t tempstring_start;
900 size_t tempstring_at;
906 prog_builtin_t *builtins;
907 size_t builtins_count;
912 bool allowworldwrites;
915 qc_exec_stack_t *stack;
920 int argc; /* current arg count for debugging */
923 qc_program_t* prog_load (const char *filename, bool ignoreversion);
924 void prog_delete (qc_program_t *prog);
925 bool prog_exec (qc_program_t *prog, prog_section_function_t *func, size_t flags, long maxjumps);
926 const char* prog_getstring (qc_program_t *prog, qcint_t str);
927 prog_section_def_t* prog_entfield (qc_program_t *prog, qcint_t off);
928 prog_section_def_t* prog_getdef (qc_program_t *prog, qcint_t off);
929 qcany_t* prog_getedict (qc_program_t *prog, qcint_t e);
930 qcint_t prog_tempstring(qc_program_t *prog, const char *_str);
933 /*===================================================================*/
934 /*===================== parser.c commandline ========================*/
935 /*===================================================================*/
937 struct parser_s *parser_create (void);
938 bool parser_compile_file (struct parser_s *parser, const char *);
939 bool parser_compile_string(struct parser_s *parser, const char *, const char *, size_t);
940 bool parser_finish (struct parser_s *parser, const char *);
941 void parser_cleanup (struct parser_s *parser);
943 /*===================================================================*/
944 /*====================== ftepp.c commandline ========================*/
945 /*===================================================================*/
947 struct ftepp_s *ftepp_create (void);
948 bool ftepp_preprocess_file (struct ftepp_s *ftepp, const char *filename);
949 bool ftepp_preprocess_string(struct ftepp_s *ftepp, const char *name, const char *str);
950 void ftepp_finish (struct ftepp_s *ftepp);
951 const char *ftepp_get (struct ftepp_s *ftepp);
952 void ftepp_flush (struct ftepp_s *ftepp);
953 void ftepp_add_define (struct ftepp_s *ftepp, const char *source, const char *name);
954 void ftepp_add_macro (struct ftepp_s *ftepp, const char *name, const char *value);
956 /*===================================================================*/
957 /*======================= main.c commandline ========================*/
958 /*===================================================================*/
961 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
962 * to 32 or 64 -f options...
965 size_t idx; /* index into an array of 32 bit words */
966 uint8_t bit; /* bit index for the 8 bit group idx points to */
968 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
969 #define LONGBIT_SET(B, I) ((B).idx = (I)/32, (B).bit = ((I)%32))
971 typedef uint32_t longbit;
972 #define LONGBIT(bit) (bit)
973 #define LONGBIT_SET(B, I) ((B) = (I))
976 /*===================================================================*/
977 /*=========================== utf8lib.c =============================*/
978 /*===================================================================*/
979 typedef uint32_t uchar_t;
981 bool u8_analyze (const char *_s, size_t *_start, size_t *_len, uchar_t *_ch, size_t _maxlen);
982 size_t u8_strlen (const char*);
983 size_t u8_strnlen (const char*, size_t);
984 uchar_t u8_getchar (const char*, const char**);
985 uchar_t u8_getnchar(const char*, const char**, size_t);
986 int u8_fromchar(uchar_t w, char *to, size_t maxlen);
988 /*===================================================================*/
989 /*============================= opts.c ==============================*/
990 /*===================================================================*/
996 bool opts_setflag (const char *, bool);
997 bool opts_setwarn (const char *, bool);
998 bool opts_setwerror(const char *, bool);
999 bool opts_setoptim (const char *, bool);
1001 void opts_init (const char *, int, size_t);
1002 void opts_set (uint32_t *, size_t, bool);
1003 void opts_setoptimlevel(unsigned int);
1004 void opts_ini_init (const char *);
1006 /* Saner flag handling */
1007 void opts_backup_non_Wall(void);
1008 void opts_restore_non_Wall(void);
1009 void opts_backup_non_Werror_all(void);
1010 void opts_restore_non_Werror_all(void);
1014 # define GMQCC_TYPE_FLAGS
1015 # define GMQCC_DEFINE_FLAG(X) X,
1016 # include "opts.def"
1021 # define GMQCC_TYPE_WARNS
1022 # define GMQCC_DEFINE_FLAG(X) WARN_##X,
1023 # include "opts.def"
1028 # define GMQCC_TYPE_OPTIMIZATIONS
1029 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
1030 # include "opts.def"
1035 # define GMQCC_TYPE_OPTIONS
1036 # define GMQCC_DEFINE_FLAG(X) OPTION_##X,
1037 # include "opts.def"
1041 extern const opts_flag_def_t opts_flag_list[COUNT_FLAGS+1];
1042 extern const opts_flag_def_t opts_warn_list[COUNT_WARNINGS+1];
1043 extern const opts_flag_def_t opts_opt_list[COUNT_OPTIMIZATIONS+1];
1044 extern const unsigned int opts_opt_oflag[COUNT_OPTIMIZATIONS+1];
1045 extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
1047 /* other options: */
1049 COMPILER_QCC, /* circa QuakeC */
1050 COMPILER_FTEQCC, /* fteqcc QuakeC */
1051 COMPILER_QCCX, /* qccx QuakeC */
1052 COMPILER_GMQCC /* this QuakeC */
1064 opt_value_t options [OPTION_COUNT];
1065 uint32_t flags [1 + (COUNT_FLAGS / 32)];
1066 uint32_t warn [1 + (COUNT_WARNINGS / 32)];
1067 uint32_t werror [1 + (COUNT_WARNINGS / 32)];
1068 uint32_t warn_backup [1 + (COUNT_WARNINGS / 32)];
1069 uint32_t werror_backup[1 + (COUNT_WARNINGS / 32)];
1070 uint32_t optimization [1 + (COUNT_OPTIMIZATIONS / 32)];
1071 bool optimizeoff; /* True when -O0 */
1074 extern opts_cmd_t opts;
1076 #define OPTS_GENERIC(f,i) (!! (((f)[(i)/32]) & (1<< (unsigned)((i)%32))))
1077 #define OPTS_FLAG(i) OPTS_GENERIC(opts.flags, (i))
1078 #define OPTS_WARN(i) OPTS_GENERIC(opts.warn, (i))
1079 #define OPTS_WERROR(i) OPTS_GENERIC(opts.werror, (i))
1080 #define OPTS_OPTIMIZATION(i) OPTS_GENERIC(opts.optimization, (i))
1081 #define OPTS_OPTION_BOOL(X) (opts.options[X].B)
1082 #define OPTS_OPTION_U16(X) (opts.options[X].U16)
1083 #define OPTS_OPTION_U32(X) (opts.options[X].U32)
1084 #define OPTS_OPTION_STR(X) (opts.options[X].STR)
1086 #endif /*! GMQCC_HDR */