2 * Copyright (C) 2012, 2013
6 * Permission is hereby granted, free of charge, to any person obtaining a copy of
7 * this software and associated documentation files (the "Software"), to deal in
8 * the Software without restriction, including without limitation the rights to
9 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
10 * of the Software, and to permit persons to whom the Software is furnished to do
11 * so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 * Disable some over protective warnings in visual studio because fixing them is a waste
38 # pragma warning(disable : 4244 ) /* conversion from 'int' to 'float', possible loss of data */
39 # pragma warning(disable : 4018 ) /* signed/unsigned mismatch */
40 #endif /*! _MSC_VER */
42 #define GMQCC_VERSION_MAJOR 0
43 #define GMQCC_VERSION_MINOR 3
44 #define GMQCC_VERSION_PATCH 0
45 #define GMQCC_VERSION_BUILD(J,N,P) (((J)<<16)|((N)<<8)|(P))
46 #define GMQCC_VERSION \
47 GMQCC_VERSION_BUILD(GMQCC_VERSION_MAJOR, GMQCC_VERSION_MINOR, GMQCC_VERSION_PATCH)
48 /* Undefine the following on a release-tag: */
49 #define GMQCC_VERSION_TYPE_DEVEL
51 /* Full version string in case we need it */
53 # define GMQCC_DEV_VERSION_STRING "git build: " GMQCC_GITINFO "\n"
54 #elif defined(GMQCC_VERSION_TYPE_DEVEL)
55 # define GMQCC_DEV_VERSION_STRING "development build\n"
57 # define GMQCC_DEV_VERSION_STRING
58 #endif /*! GMQCC_GITINGO */
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`.
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__) */
111 * This is a hack to silent clang regarding empty
112 * body if statements.
114 #define GMQCC_SUPPRESS_EMPTY_BODY do { } while (0)
117 * Inline is not supported in < C90, however some compilers
118 * like gcc and clang might have an inline attribute we can
121 #ifdef __STDC_VERSION__
122 # if __STDC_VERSION__ < 199901L
123 # if defined(__GNUC__) || defined (__CLANG__)
125 # define GMQCC_INLINE
127 # define GMQCC_INLINE __attribute__ ((always_inline))
128 # endif /*! __GNUC__ < 2 */
130 # define GMQCC_INLINE
131 # endif /*! defined(__GNUC__) || defined (__CLANG__) */
133 # define GMQCC_INLINE inline
134 # endif /*! __STDC_VERSION < 199901L */
136 * Visual studio has __forcinline we can use. So lets use that
137 * I suspect it also has just __inline of some sort, but our use
138 * of inline is correct (not guessed), WE WANT IT TO BE INLINE
140 #elif defined(_MSC_VER)
141 # define GMQCC_INLINE __forceinline
143 # define GMQCC_INLINE
144 #endif /*! __STDC_VERSION__ */
147 * noreturn is present in GCC and clang
148 * it's required for _ast_node_destory otherwise -Wmissing-noreturn
149 * in clang complains about there being no return since abort() is
152 #if (defined(__GNUC__) && __GNUC__ >= 2) || defined(__CLANG__)
153 # define GMQCC_NORETURN __attribute__ ((noreturn))
155 # define GMQCC_NORETURN
156 #endif /*! (defined(__GNUC__) && __GNUC__ >= 2) || defined (__CLANG__) */
161 typedef unsigned __int8 uint8_t;
162 typedef unsigned __int16 uint16_t;
163 typedef unsigned __int32 uint32_t;
164 typedef unsigned __int64 uint64_t;
166 typedef __int16 int16_t;
167 typedef __int32 int32_t;
168 typedef __int64 int64_t;
169 #endif /*! _MSC_VER */
172 *windows makes these prefixed because they're C99
173 * TODO: utility versions that are type-safe and not
174 * just plain textual subsitution.
177 # define snprintf(X, Y, Z, ...) _snprintf(X, Y, Z, __VA_ARGS__)
178 /* strtof doesn't exist -> strtod does though :) */
179 # define strtof(X, Y) (float)(strtod(X, Y))
180 #endif /*! _MSC_VER */
183 * Very roboust way at determining endianess at compile time: this handles
184 * almost every possible situation. Otherwise a runtime check has to be
187 #define GMQCC_BYTE_ORDER_LITTLE 1234
188 #define GMQCC_BYTE_ORDER_BIG 4321
190 #if defined (__GNUC__) || defined (__GNU_LIBRARY__)
191 # if defined (__FreeBSD__) || defined (__OpenBSD__)
192 # include <sys/endian.h>
193 # elif defined (BSD) && (BSD >= 199103) || defined (__DJGPP__) || defined (__CYGWIN32__)
194 # include <machine/endian.h>
195 # elif defined (__APPLE__)
196 # if defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN)
198 # elif defined (__LITTLE_ENDIAN__) && !defined (LITTLE_ENDIAN)
199 # define LITTLE_ENDIAN
200 # endif /*! defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN) */
201 # elif !defined (__MINGW32__)
203 # if !defined (__BEOS__)
204 # include <byteswap.h>
205 # endif /*! !definde (__BEOS__) */
206 # endif /*! defined (__FreeBSD__) || defined (__OpenBSD__) */
207 #endif /*! defined (__GNUC__) || defined (__GNU_LIBRARY__) */
208 #if !defined(PLATFORM_BYTE_ORDER)
209 # if defined (LITTLE_ENDIAN) || defined (BIG_ENDIAN)
210 # if defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN)
211 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
212 # elif !defined (LITTLE_ENDIAN) && defined (BIG_ENDIAN)
213 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
214 # elif defined (BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
215 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
216 # elif defined (BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)
217 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
218 # endif /*! defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN) */
219 # elif defined (_LITTLE_ENDIAN) || defined (_BIG_ENDIAN)
220 # if defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
221 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
222 # elif !defined (_LITTLE_ENDIAN) && defined (_BIG_ENDIAN)
223 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
224 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _LITTLE_ENDIAN)
225 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
226 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)
227 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
228 # endif /*! defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) */
229 # elif defined (__LITTLE_ENDIAN__) || defined (__BIG_ENDIAN__)
230 # if defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__)
231 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
232 # elif !defined (__LITTLE_ENDIAN__) && defined (__BIG_ENDIAN__)
233 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
234 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __LITTLE_ENDIAN__)
235 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
236 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__)
237 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
238 # endif /*! defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__) */
239 # endif /*! defined(LITTLE_ENDIAN) || defined (BIG_ENDIAN) */
240 #endif /*! !defined(PLATFORM_BYTE_ORDER) */
241 #if !defined (PLATFORM_BYTE_ORDER)
242 # if defined (__alpha__) || defined (__alpha) || defined (i386) || \
243 defined (__i386__) || defined (_M_I86) || defined (_M_IX86) || \
244 defined (__OS2__) || defined (sun386) || defined (__TURBOC__) || \
245 defined (vax) || defined (vms) || defined (VMS) || \
246 defined (__VMS) || defined (__x86_64__) || defined (_M_IA64) || \
247 defined (_M_X64) || defined (__i386) || defined (__x86_64)
248 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
249 # elif defined (AMIGA) || defined (applec) || defined (__AS400__) || \
250 defined (_CRAY) || defined (__hppa) || defined (__hp9000) || \
251 defined (ibm370) || defined (mc68000) || defined (m68k) || \
252 defined (__MRC__) || defined (__MVS__) || defined (__MWERKS__) || \
253 defined (sparc) || defined (__sparc) || defined (SYMANTEC_C) || \
254 defined (__TANDEM) || defined (THINK_C) || defined (__VMCMS__) || \
255 defined (__PPC__) || defined (__PPC) || defined (PPC)
256 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
258 # define PLATFORM_BYTE_ORDER -1
260 #endif /*! !defined (PLATFORM_BYTE_ORDER) */
263 * On windows systems where we're not compiling with MING32 we need a
264 * little extra help on dependinces for implementing our own dirent.h
267 #if defined(_WIN32) && !defined(__MINGW32__)
268 # define _WIN32_LEAN_AND_MEAN
269 # include <windows.h>
275 unsigned short d_reclen;
276 unsigned short d_namlen;
277 char d_name[FILENAME_MAX];
281 struct _finddata_t dd_dta;
282 struct dirent dd_dir;
289 #endif /*! _WIN32 && !defined(__MINGW32__) */
292 /*===================================================================*/
293 /*=========================== util.c ================================*/
294 /*===================================================================*/
295 void *util_memory_a (size_t, /*****/ unsigned int, const char *);
296 void *util_memory_r (void *, size_t, unsigned int, const char *);
297 void util_memory_d (void *);
298 void util_meminfo ();
300 bool util_filexists (const char *);
301 bool util_strupper (const char *);
302 bool util_strdigit (const char *);
303 char *_util_Estrdup (const char *, const char *, size_t);
304 void util_debug (const char *, const char *, ...);
305 void util_endianswap (void *, size_t, unsigned int);
307 size_t util_strtocmd (const char *, char *, size_t);
308 size_t util_strtononcmd (const char *, char *, size_t);
310 uint16_t util_crc16(uint16_t crc, const char *data, size_t len);
312 void util_seed(uint32_t);
313 uint32_t util_rand();
315 int util_vasprintf(char **ret, const char *fmt, va_list);
316 int util_asprintf (char **ret, const char *fmt, ...);
320 # define mem_a(x) malloc (x)
321 # define mem_d(x) free ((void*)x)
322 # define mem_r(x, n) realloc((void*)x, n)
323 # define mem_af(x,f,l) malloc (x)
325 # define mem_a(x) util_memory_a((x), __LINE__, __FILE__)
326 # define mem_d(x) util_memory_d((void*)(x))
327 # define mem_r(x, n) util_memory_r((void*)(x), (n), __LINE__, __FILE__)
328 # define mem_af(x,f,l) util_memory_a((x), __LINE__, __FILE__)
329 #endif /*! NOTRACK */
331 #define util_strdup(X) _util_Estrdup((X), __FILE__, __LINE__)
334 * A flexible vector implementation: all vector pointers contain some
335 * data about themselfs exactly - sizeof(vector_t) behind the pointer
336 * this data is represented in the structure below. Doing this allows
337 * us to use the array [] to access individual elements from the vector
338 * opposed to using set/get methods.
344 /* can be extended now! whoot */
347 /* hidden interface */
348 void _util_vec_grow(void **a, size_t i, size_t s);
349 #define GMQCC_VEC_WILLGROW(X,Y) ( \
350 ((!(X) || vec_meta(X)->used + Y >= vec_meta(X)->allocated)) ? \
351 (void)_util_vec_grow(((void**)&(X)), (Y), sizeof(*(X))) : \
355 /* exposed interface */
356 #define vec_meta(A) (((vector_t*)(A)) - 1)
357 #define vec_free(A) ((void)((A) ? (mem_d((void*)vec_meta(A)), (A) = NULL) : 0))
358 #define vec_push(A,V) (GMQCC_VEC_WILLGROW((A),1), (A)[vec_meta(A)->used++] = (V))
359 #define vec_size(A) ((A) ? vec_meta(A)->used : 0)
360 #define vec_add(A,N) (GMQCC_VEC_WILLGROW((A),(N)), vec_meta(A)->used += (N), &(A)[vec_meta(A)->used-(N)])
361 #define vec_last(A) ((A)[vec_meta(A)->used - 1])
362 #define vec_pop(A) ((void)(vec_meta(A)->used -= 1))
363 #define vec_shrinkto(A,N) ((void)(vec_meta(A)->used = (N)))
364 #define vec_shrinkby(A,N) ((void)(vec_meta(A)->used -= (N)))
365 #define vec_append(A,N,S) ((void)(memcpy(vec_add((A), (N)), (S), (N) * sizeof(*(S)))))
366 #define vec_upload(X,Y,S) ((void)(memcpy(vec_add((X), (S) * sizeof(*(Y))), (Y), (S) * sizeof(*(Y)))))
367 #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)))
369 typedef struct trie_s {
371 struct trie_s *entries;
374 correct_trie_t* correct_trie_new();
376 typedef struct hash_table_t {
378 struct hash_node_t **table;
381 typedef struct hash_set_t {
390 * hashtable implementation:
393 * This was designed for pointers: you manage the life of the object yourself
394 * if you do use this for non-pointers please be warned that the object may not
395 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
396 * yourself, or put those in global scope to ensure duration is for the whole
399 * util_htnew(size) -- to make a new hashtable
400 * util_htset(table, key, value, sizeof(value)) -- to set something in the table
401 * util_htget(table, key) -- to get something from the table
402 * util_htdel(table) -- to delete the table
406 * ht foo = util_htnew(1024);
408 * char *test = "hello world\n";
409 * util_htset(foo, "foo", (void*)&data);
410 * util_gtset(foo, "bar", (void*)test);
412 * printf("foo: %d, bar %s",
413 * *((int *)util_htget(foo, "foo")),
414 * ((char*)util_htget(foo, "bar"))
419 hash_table_t *util_htnew (size_t size);
420 void util_htset (hash_table_t *ht, const char *key, void *value);
421 void util_htdel (hash_table_t *ht);
422 size_t util_hthash(hash_table_t *ht, const char *key);
423 void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
425 void *util_htget (hash_table_t *ht, const char *key);
426 void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
429 * hashset implementation:
430 * This was designed for pointers: you manage the life of the object yourself
431 * if you do use this for non-pointers please be warned that the object may not
432 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
433 * yourself, or put those in global scope to ensure duration is for the whole
436 * util_hsnew() -- to make a new hashset
437 * util_hsadd(set, key) -- to add something in the set
438 * util_hshas(set, key) -- to check if something is in the set
439 * util_hsrem(set, key) -- to remove something in the set
440 * util_hsdel(set) -- to delete the set
444 * hs foo = util_hsnew();
445 * char *bar = "hello blub\n";
446 * char *baz = "hello dale\n";
448 * util_hsadd(foo, bar);
449 * util_hsadd(foo, baz);
450 * util_hsrem(foo, baz);
452 * printf("bar %d | baz %d\n",
453 * util_hshas(foo, bar),
454 * util_hshad(foo, baz)
460 hash_set_t *util_hsnew(void);
461 int util_hsadd(hash_set_t *, void *);
462 int util_hshas(hash_set_t *, void *);
463 int util_hsrem(hash_set_t *, void *);
464 void util_hsdel(hash_set_t *);
466 /*===================================================================*/
467 /*============================ file.c ===============================*/
468 /*===================================================================*/
470 void fs_file_close (FILE *);
471 int fs_file_error (FILE *);
472 int fs_file_getc (FILE *);
473 int fs_file_printf (FILE *, const char *, ...);
474 int fs_file_puts (FILE *, const char *);
475 int fs_file_seek (FILE *, long int, int);
476 long int fs_file_tell (FILE *);
478 size_t fs_file_read (void *, size_t, size_t, FILE *);
479 size_t fs_file_write (const void *, size_t, size_t, FILE *);
481 FILE *fs_file_open (const char *, const char *);
482 int fs_file_getline(char **, size_t *, FILE *);
484 /* directory handling */
485 int fs_dir_make (const char *);
486 DIR *fs_dir_open (const char *);
487 int fs_dir_close (DIR *);
488 struct dirent *fs_dir_read (DIR *);
491 /*===================================================================*/
492 /*=========================== correct.c =============================*/
493 /*===================================================================*/
499 void correct_del (correct_trie_t*, size_t **);
500 void correct_add (correct_trie_t*, size_t ***, const char *);
501 char *correct_str (correction_t *, correct_trie_t*, const char *);
502 void correct_init(correction_t *);
503 void correct_free(correction_t *);
505 /*===================================================================*/
506 /*=========================== code.c ================================*/
507 /*===================================================================*/
510 /* Note: if you change the order, fix type_sizeof in ir.c */
526 TYPE_NIL , /* it's its own type / untyped */
527 TYPE_NOEXPR , /* simply invalid in expressions */
532 /* const/var qualifiers */
536 #define CV_WRONG 0x8000 /* magic number to help parsing */
538 extern const char *type_name [TYPE_COUNT];
539 extern uint16_t type_store_instr [TYPE_COUNT];
540 extern uint16_t field_store_instr[TYPE_COUNT];
543 * could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
544 * but this breaks when TYPE_INTEGER is added, since with the enhanced
545 * instruction set, the old ones are left untouched, thus the _I instructions
546 * are at a seperate place.
548 extern uint16_t type_storep_instr[TYPE_COUNT];
549 extern uint16_t type_eq_instr [TYPE_COUNT];
550 extern uint16_t type_ne_instr [TYPE_COUNT];
551 extern uint16_t type_not_instr [TYPE_COUNT];
554 uint32_t offset; /* Offset in file of where data begins */
555 uint32_t length; /* Length of section (how many of) */
559 uint32_t version; /* Program version (6) */
563 prog_section statements; /* prog_section_statement */
564 prog_section defs; /* prog_section_def */
565 prog_section fields; /* prog_section_field */
566 prog_section functions; /* prog_section_function */
567 prog_section strings;
568 prog_section globals;
569 uint32_t entfield; /* Number of entity fields */
573 * Each paramater incerements by 3 since vector types hold
574 * 3 components (x,y,z).
578 #define OFS_PARM0 (OFS_RETURN+3)
579 #define OFS_PARM1 (OFS_PARM0 +3)
580 #define OFS_PARM2 (OFS_PARM1 +3)
581 #define OFS_PARM3 (OFS_PARM2 +3)
582 #define OFS_PARM4 (OFS_PARM3 +3)
583 #define OFS_PARM5 (OFS_PARM4 +3)
584 #define OFS_PARM6 (OFS_PARM5 +3)
585 #define OFS_PARM7 (OFS_PARM6 +3)
592 int16_t s1; /* signed */
593 uint16_t u1; /* unsigned */
597 int16_t s1; /* signed */
598 uint16_t u1; /* unsigned */
602 int16_t s1; /* signed */
603 uint16_t u1; /* unsigned */
607 * This is the same as the structure in darkplaces
612 * But this one is more sane to work with, and the
613 * type sizes are guranteed.
615 } prog_section_statement;
627 * 7 = ev_pointer -- engine only
628 * 8 = ev_bad -- engine only
635 typedef prog_section_both prog_section_def;
636 typedef prog_section_both prog_section_field;
638 /* this is ORed to the type */
639 #define DEF_SAVEGLOBAL (1<<15)
640 #define DEF_TYPEMASK ((1<<15)-1)
643 int32_t entry; /* in statement table for instructions */
644 uint32_t firstlocal; /* First local in local table */
645 uint32_t locals; /* Total ints of params + locals */
646 uint32_t profile; /* Always zero (engine uses this) */
647 uint32_t name; /* name of function in string table */
648 uint32_t file; /* file of the source file */
649 int32_t nargs; /* number of arguments */
650 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
651 } prog_section_function;
655 * These are the external instructions supported by the interperter
656 * this is what things compile to (from the C code).
662 INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
663 INSTR_MUL_VF, /* and here: B != C */
727 * Virtual instructions used by the IR
734 /* A never returning CALL.
735 * Creating this causes IR blocks to be marked as 'final'.
741 /* TODO: cleanup this mess */
742 extern prog_section_statement *code_statements;
743 extern int *code_linenums;
744 extern prog_section_def *code_defs;
745 extern prog_section_field *code_fields;
746 extern prog_section_function *code_functions;
747 extern int *code_globals;
748 extern char *code_chars;
749 extern uint16_t code_crc;
752 typedef float qcfloat;
753 typedef int32_t qcint;
756 * code_write -- writes out the compiled file
757 * code_init -- prepares the code file
759 bool code_write (const char *filename, const char *lno);
761 uint32_t code_genstring (const char *string);
762 qcint code_alloc_field (size_t qcsize);
764 /* this function is used to keep statements and linenumbers together */
765 void code_push_statement(prog_section_statement *stmt, int linenum);
766 void code_pop_statement();
769 * A shallow copy of a lex_file to remember where which ast node
777 /*===================================================================*/
778 /*============================ con.c ================================*/
779 /*===================================================================*/
798 FILE *con_default_out();
799 FILE *con_default_err();
801 void con_vprintmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, va_list ap);
802 void con_printmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, ...);
803 void con_cvprintmsg(void *ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
804 void con_cprintmsg (void *ctx, int lvl, const char *msgtype, const char *msg, ...);
809 void con_color (int);
810 int con_change(const char *, const char *);
811 int con_verr (const char *, va_list);
812 int con_vout (const char *, va_list);
813 int con_err (const char *, ...);
814 int con_out (const char *, ...);
816 /* error/warning interface */
817 extern size_t compile_errors;
818 extern size_t compile_Werrors;
819 extern size_t compile_warnings;
821 void /********/ compile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, ...);
822 void /********/ vcompile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
823 bool GMQCC_WARN compile_warning (lex_ctx ctx, int warntype, const char *fmt, ...);
824 bool GMQCC_WARN vcompile_warning(lex_ctx ctx, int warntype, const char *fmt, va_list ap);
825 void compile_show_werrors();
827 /*===================================================================*/
828 /*========================= assembler.c =============================*/
829 /*===================================================================*/
830 /* TODO: remove this ... */
831 static const struct {
832 const char *m; /* menomic */
833 const size_t o; /* operands */
834 const size_t l; /* menomic len */
860 { "FIELD_F" , 0, 7 },
861 { "FIELD_V" , 0, 7 },
862 { "FIELD_S" , 0, 7 },
863 { "FIELD_ENT" , 0, 9 },
864 { "FIELD_FLD" , 0, 9 },
865 { "FIELD_FNC" , 0, 9 },
866 { "ADDRESS" , 0, 7 },
867 { "STORE_F" , 0, 7 },
868 { "STORE_V" , 0, 7 },
869 { "STORE_S" , 0, 7 },
870 { "STORE_ENT" , 0, 9 },
871 { "STORE_FLD" , 0, 9 },
872 { "STORE_FNC" , 0, 9 },
873 { "STOREP_F" , 0, 8 },
874 { "STOREP_V" , 0, 8 },
875 { "STOREP_S" , 0, 8 },
876 { "STOREP_ENT", 0, 10},
877 { "STOREP_FLD", 0, 10},
878 { "STOREP_FNC", 0, 10},
883 { "NOT_ENT" , 0, 7 },
884 { "NOT_FNC" , 0, 7 },
903 { "END" , 0, 3 } /* virtual assembler instruction */
905 /*===================================================================*/
906 /*============================= ir.c ================================*/
907 /*===================================================================*/
911 store_local, /* local, assignable for now, should get promoted later */
912 store_param, /* parameters, they are locals with a fixed position */
913 store_value, /* unassignable */
914 store_return /* unassignable, at OFS_RETURN */
921 vector vec3_add (vector, vector);
922 vector vec3_sub (vector, vector);
923 qcfloat vec3_mulvv(vector, vector);
924 vector vec3_mulvf(vector, float);
926 /*===================================================================*/
927 /*============================= exec.c ==============================*/
928 /*===================================================================*/
932 * Darkplaces has (or will have) a 64 bit prog loader
933 * where the 32 bit qc program is autoconverted on load.
934 * Since we may want to support that as well, let's redefine
935 * float and int here.
947 typedef char qcfloat_size_is_correct [sizeof(qcfloat) == 4 ?1:-1];
948 typedef char qcint_size_is_correct [sizeof(qcint) == 4 ?1:-1];
952 VMERR_TEMPSTRING_ALLOC,
957 #define VM_JUMPS_DEFAULT 1000000
960 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
961 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
962 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
966 typedef int (*prog_builtin)(struct qc_program_s *prog);
971 prog_section_function *function;
974 typedef struct qc_program_s {
977 prog_section_statement *code;
978 prog_section_def *defs;
979 prog_section_def *fields;
980 prog_section_function *functions;
986 const char* *function_stack;
990 size_t tempstring_start;
991 size_t tempstring_at;
997 prog_builtin *builtins;
998 size_t builtins_count;
1002 size_t entityfields;
1003 bool allowworldwrites;
1006 qc_exec_stack *stack;
1011 int argc; /* current arg count for debugging */
1014 qc_program* prog_load(const char *filename, bool ignoreversion);
1015 void prog_delete(qc_program *prog);
1017 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps);
1019 char* prog_getstring (qc_program *prog, qcint str);
1020 prog_section_def* prog_entfield (qc_program *prog, qcint off);
1021 prog_section_def* prog_getdef (qc_program *prog, qcint off);
1022 qcany* prog_getedict (qc_program *prog, qcint e);
1023 qcint prog_tempstring(qc_program *prog, const char *_str);
1026 /*===================================================================*/
1027 /*===================== parser.c commandline ========================*/
1028 /*===================================================================*/
1030 bool parser_init ();
1031 bool parser_compile_file (const char *);
1032 bool parser_compile_string(const char *, const char *, size_t);
1033 bool parser_finish (const char *);
1034 void parser_cleanup ();
1036 /*===================================================================*/
1037 /*====================== ftepp.c commandline ========================*/
1038 /*===================================================================*/
1042 char *(*func)(struct lex_file_s *);
1046 * line, file, counter, counter_last, random, random_last, date, time
1047 * increment when items are added
1049 #define FTEPP_PREDEF_COUNT 8
1052 bool ftepp_preprocess_file (const char *filename);
1053 bool ftepp_preprocess_string(const char *name, const char *str);
1054 void ftepp_finish ();
1055 const char *ftepp_get ();
1056 void ftepp_flush ();
1057 void ftepp_add_define (const char *source, const char *name);
1058 void ftepp_add_macro (const char *name, const char *value);
1060 extern const ftepp_predef_t ftepp_predefs[FTEPP_PREDEF_COUNT];
1062 /*===================================================================*/
1063 /*======================= main.c commandline ========================*/
1064 /*===================================================================*/
1067 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
1068 * to 32 or 64 -f options...
1071 size_t idx; /* index into an array of 32 bit words */
1072 uint8_t bit; /* bit index for the 8 bit group idx points to */
1074 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
1075 #define LONGBIT_SET(B, I) ((B).idx = (I)/32, (B).bit = ((I)%32))
1077 typedef uint32_t longbit;
1078 #define LONGBIT(bit) (bit)
1079 #define LONGBIT_SET(B, I) ((B) = (I))
1082 /*===================================================================*/
1083 /*=========================== utf8lib.c =============================*/
1084 /*===================================================================*/
1085 typedef uint32_t uchar_t;
1087 bool u8_analyze (const char *_s, size_t *_start, size_t *_len, uchar_t *_ch, size_t _maxlen);
1088 size_t u8_strlen (const char*);
1089 size_t u8_strnlen (const char*, size_t);
1090 uchar_t u8_getchar (const char*, const char**);
1091 uchar_t u8_getnchar(const char*, const char**, size_t);
1092 int u8_fromchar(uchar_t w, char *to, size_t maxlen);
1094 /*===================================================================*/
1095 /*============================= opts.c ==============================*/
1096 /*===================================================================*/
1102 bool opts_setflag (const char *, bool);
1103 bool opts_setwarn (const char *, bool);
1104 bool opts_setwerror(const char *, bool);
1105 bool opts_setoptim (const char *, bool);
1107 void opts_init (const char *, int, size_t);
1108 void opts_set (uint32_t *, size_t, bool);
1109 void opts_setoptimlevel(unsigned int);
1110 void opts_ini_init (const char *);
1112 /* Saner flag handling */
1113 void opts_backup_non_Wall();
1114 void opts_restore_non_Wall();
1115 void opts_backup_non_Werror_all();
1116 void opts_restore_non_Werror_all();
1119 # define GMQCC_TYPE_FLAGS
1120 # define GMQCC_DEFINE_FLAG(X) X,
1121 # include "opts.def"
1124 static const opts_flag_def opts_flag_list[] = {
1125 # define GMQCC_TYPE_FLAGS
1126 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(X) },
1127 # include "opts.def"
1128 { NULL, LONGBIT(0) }
1132 # define GMQCC_TYPE_WARNS
1133 # define GMQCC_DEFINE_FLAG(X) WARN_##X,
1134 # include "opts.def"
1137 static const opts_flag_def opts_warn_list[] = {
1138 # define GMQCC_TYPE_WARNS
1139 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(WARN_##X) },
1140 # include "opts.def"
1141 { NULL, LONGBIT(0) }
1145 # define GMQCC_TYPE_OPTIMIZATIONS
1146 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
1147 # include "opts.def"
1150 static const opts_flag_def opts_opt_list[] = {
1151 # define GMQCC_TYPE_OPTIMIZATIONS
1152 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) { #NAME, LONGBIT(OPTIM_##NAME) },
1153 # include "opts.def"
1154 { NULL, LONGBIT(0) }
1156 static const unsigned int opts_opt_oflag[] = {
1157 # define GMQCC_TYPE_OPTIMIZATIONS
1158 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) MIN_O,
1159 # include "opts.def"
1164 # define GMQCC_TYPE_OPTIONS
1165 # define GMQCC_DEFINE_FLAG(X) OPTION_##X,
1166 # include "opts.def"
1170 extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
1172 /* other options: */
1174 COMPILER_QCC, /* circa QuakeC */
1175 COMPILER_FTEQCC, /* fteqcc QuakeC */
1176 COMPILER_QCCX, /* qccx QuakeC */
1177 COMPILER_GMQCC /* this QuakeC */
1189 opt_value_t options [OPTION_COUNT];
1190 uint32_t flags [1 + (COUNT_FLAGS / 32)];
1191 uint32_t warn [1 + (COUNT_WARNINGS / 32)];
1192 uint32_t werror [1 + (COUNT_WARNINGS / 32)];
1193 uint32_t warn_backup [1 + (COUNT_WARNINGS / 32)];
1194 uint32_t werror_backup[1 + (COUNT_WARNINGS / 32)];
1195 uint32_t optimization [1 + (COUNT_OPTIMIZATIONS / 32)];
1196 bool optimizeoff; /* True when -O0 */
1199 extern opts_cmd_t opts;
1201 #define OPTS_GENERIC(f,i) (!! (((f)[(i)/32]) & (1<< ((i)%32))))
1202 #define OPTS_FLAG(i) OPTS_GENERIC(opts.flags, (i))
1203 #define OPTS_WARN(i) OPTS_GENERIC(opts.warn, (i))
1204 #define OPTS_WERROR(i) OPTS_GENERIC(opts.werror, (i))
1205 #define OPTS_OPTIMIZATION(i) OPTS_GENERIC(opts.optimization, (i))
1206 #define OPTS_OPTION_BOOL(X) (opts.options[X].B)
1207 #define OPTS_OPTION_U16(X) (opts.options[X].U16)
1208 #define OPTS_OPTION_U32(X) (opts.options[X].U32)
1209 #define OPTS_OPTION_STR(X) (opts.options[X].STR)
1211 #endif /*! GMQCC_HDR */