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 char *_util_Estrdup_empty(const char *, const char *, size_t);
305 void util_debug (const char *, const char *, ...);
306 void util_endianswap (void *, size_t, unsigned int);
308 size_t util_strtocmd (const char *, char *, size_t);
309 size_t util_strtononcmd (const char *, char *, size_t);
311 uint16_t util_crc16(uint16_t crc, const char *data, size_t len);
313 void util_seed(uint32_t);
314 uint32_t util_rand();
316 int util_vasprintf(char **ret, const char *fmt, va_list);
317 int util_asprintf (char **ret, const char *fmt, ...);
321 # define mem_a(x) malloc (x)
322 # define mem_d(x) free ((void*)x)
323 # define mem_r(x, n) realloc((void*)x, n)
324 # define mem_af(x,f,l) malloc (x)
326 # define mem_a(x) util_memory_a((x), __LINE__, __FILE__)
327 # define mem_d(x) util_memory_d((void*)(x))
328 # define mem_r(x, n) util_memory_r((void*)(x), (n), __LINE__, __FILE__)
329 # define mem_af(x,f,l) util_memory_a((x), __LINE__, __FILE__)
330 #endif /*! NOTRACK */
332 #define util_strdup(X) _util_Estrdup((X), __FILE__, __LINE__)
333 #define util_strdupe(X) _util_Estrdup_empty((X), __FILE__, __LINE__)
336 * A flexible vector implementation: all vector pointers contain some
337 * data about themselfs exactly - sizeof(vector_t) behind the pointer
338 * this data is represented in the structure below. Doing this allows
339 * us to use the array [] to access individual elements from the vector
340 * opposed to using set/get methods.
346 /* can be extended now! whoot */
349 /* hidden interface */
350 void _util_vec_grow(void **a, size_t i, size_t s);
351 #define GMQCC_VEC_WILLGROW(X,Y) ( \
352 ((!(X) || vec_meta(X)->used + Y >= vec_meta(X)->allocated)) ? \
353 (void)_util_vec_grow(((void**)&(X)), (Y), sizeof(*(X))) : \
357 /* exposed interface */
358 #define vec_meta(A) (((vector_t*)(A)) - 1)
359 #define vec_free(A) ((void)((A) ? (mem_d((void*)vec_meta(A)), (A) = NULL) : 0))
360 #define vec_push(A,V) (GMQCC_VEC_WILLGROW((A),1), (A)[vec_meta(A)->used++] = (V))
361 #define vec_size(A) ((A) ? vec_meta(A)->used : 0)
362 #define vec_add(A,N) (GMQCC_VEC_WILLGROW((A),(N)), vec_meta(A)->used += (N), &(A)[vec_meta(A)->used-(N)])
363 #define vec_last(A) ((A)[vec_meta(A)->used - 1])
364 #define vec_pop(A) ((void)(vec_meta(A)->used -= 1))
365 #define vec_shrinkto(A,N) ((void)(vec_meta(A)->used = (N)))
366 #define vec_shrinkby(A,N) ((void)(vec_meta(A)->used -= (N)))
367 #define vec_append(A,N,S) ((void)(memcpy(vec_add((A), (N)), (S), (N) * sizeof(*(S)))))
368 #define vec_upload(X,Y,S) ((void)(memcpy(vec_add((X), (S) * sizeof(*(Y))), (Y), (S) * sizeof(*(Y)))))
369 #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)))
371 typedef struct trie_s {
373 struct trie_s *entries;
376 correct_trie_t* correct_trie_new();
378 typedef struct hash_table_t {
380 struct hash_node_t **table;
383 typedef struct hash_set_t {
392 * hashtable implementation:
395 * This was designed for pointers: you manage the life of the object yourself
396 * if you do use this for non-pointers please be warned that the object may not
397 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
398 * yourself, or put those in global scope to ensure duration is for the whole
401 * util_htnew(size) -- to make a new hashtable
402 * util_htset(table, key, value, sizeof(value)) -- to set something in the table
403 * util_htget(table, key) -- to get something from the table
404 * util_htdel(table) -- to delete the table
408 * ht foo = util_htnew(1024);
410 * char *test = "hello world\n";
411 * util_htset(foo, "foo", (void*)&data);
412 * util_gtset(foo, "bar", (void*)test);
414 * printf("foo: %d, bar %s",
415 * *((int *)util_htget(foo, "foo")),
416 * ((char*)util_htget(foo, "bar"))
421 hash_table_t *util_htnew (size_t size);
422 void util_htrem (hash_table_t *ht, void (*callback)(void *data));
423 void util_htset (hash_table_t *ht, const char *key, void *value);
424 void util_htdel (hash_table_t *ht);
425 size_t util_hthash(hash_table_t *ht, const char *key);
426 void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
427 void util_htrmh (hash_table_t *ht, const char *key, size_t bin, void (*cb)(void*));
428 void util_htrm (hash_table_t *ht, const char *key, void (*cb)(void*));
430 void *util_htget (hash_table_t *ht, const char *key);
431 void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
434 * hashset implementation:
435 * This was designed for pointers: you manage the life of the object yourself
436 * if you do use this for non-pointers please be warned that the object may not
437 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
438 * yourself, or put those in global scope to ensure duration is for the whole
441 * util_hsnew() -- to make a new hashset
442 * util_hsadd(set, key) -- to add something in the set
443 * util_hshas(set, key) -- to check if something is in the set
444 * util_hsrem(set, key) -- to remove something in the set
445 * util_hsdel(set) -- to delete the set
449 * hs foo = util_hsnew();
450 * char *bar = "hello blub\n";
451 * char *baz = "hello dale\n";
453 * util_hsadd(foo, bar);
454 * util_hsadd(foo, baz);
455 * util_hsrem(foo, baz);
457 * printf("bar %d | baz %d\n",
458 * util_hshas(foo, bar),
459 * util_hshad(foo, baz)
465 hash_set_t *util_hsnew(void);
466 int util_hsadd(hash_set_t *, void *);
467 int util_hshas(hash_set_t *, void *);
468 int util_hsrem(hash_set_t *, void *);
469 void util_hsdel(hash_set_t *);
471 /*===================================================================*/
472 /*============================ file.c ===============================*/
473 /*===================================================================*/
475 void fs_file_close (FILE *);
476 int fs_file_error (FILE *);
477 int fs_file_getc (FILE *);
478 int fs_file_printf (FILE *, const char *, ...);
479 int fs_file_puts (FILE *, const char *);
480 int fs_file_seek (FILE *, long int, int);
481 long int fs_file_tell (FILE *);
483 size_t fs_file_read (void *, size_t, size_t, FILE *);
484 size_t fs_file_write (const void *, size_t, size_t, FILE *);
486 FILE *fs_file_open (const char *, const char *);
487 int fs_file_getline(char **, size_t *, FILE *);
489 /* directory handling */
490 int fs_dir_make (const char *);
491 DIR *fs_dir_open (const char *);
492 int fs_dir_close (DIR *);
493 struct dirent *fs_dir_read (DIR *);
496 /*===================================================================*/
497 /*=========================== correct.c =============================*/
498 /*===================================================================*/
504 void correct_del (correct_trie_t*, size_t **);
505 void correct_add (correct_trie_t*, size_t ***, const char *);
506 char *correct_str (correction_t *, correct_trie_t*, const char *);
507 void correct_init(correction_t *);
508 void correct_free(correction_t *);
510 /*===================================================================*/
511 /*=========================== code.c ================================*/
512 /*===================================================================*/
515 /* Note: if you change the order, fix type_sizeof in ir.c */
531 TYPE_NIL , /* it's its own type / untyped */
532 TYPE_NOEXPR , /* simply invalid in expressions */
537 /* const/var qualifiers */
541 #define CV_WRONG 0x8000 /* magic number to help parsing */
543 extern const char *type_name [TYPE_COUNT];
544 extern uint16_t type_store_instr [TYPE_COUNT];
545 extern uint16_t field_store_instr[TYPE_COUNT];
548 * could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
549 * but this breaks when TYPE_INTEGER is added, since with the enhanced
550 * instruction set, the old ones are left untouched, thus the _I instructions
551 * are at a seperate place.
553 extern uint16_t type_storep_instr[TYPE_COUNT];
554 extern uint16_t type_eq_instr [TYPE_COUNT];
555 extern uint16_t type_ne_instr [TYPE_COUNT];
556 extern uint16_t type_not_instr [TYPE_COUNT];
559 uint32_t offset; /* Offset in file of where data begins */
560 uint32_t length; /* Length of section (how many of) */
564 uint32_t version; /* Program version (6) */
568 prog_section statements; /* prog_section_statement */
569 prog_section defs; /* prog_section_def */
570 prog_section fields; /* prog_section_field */
571 prog_section functions; /* prog_section_function */
572 prog_section strings;
573 prog_section globals;
574 uint32_t entfield; /* Number of entity fields */
578 * Each paramater incerements by 3 since vector types hold
579 * 3 components (x,y,z).
583 #define OFS_PARM0 (OFS_RETURN+3)
584 #define OFS_PARM1 (OFS_PARM0 +3)
585 #define OFS_PARM2 (OFS_PARM1 +3)
586 #define OFS_PARM3 (OFS_PARM2 +3)
587 #define OFS_PARM4 (OFS_PARM3 +3)
588 #define OFS_PARM5 (OFS_PARM4 +3)
589 #define OFS_PARM6 (OFS_PARM5 +3)
590 #define OFS_PARM7 (OFS_PARM6 +3)
597 int16_t s1; /* signed */
598 uint16_t u1; /* unsigned */
602 int16_t s1; /* signed */
603 uint16_t u1; /* unsigned */
607 int16_t s1; /* signed */
608 uint16_t u1; /* unsigned */
612 * This is the same as the structure in darkplaces
617 * But this one is more sane to work with, and the
618 * type sizes are guranteed.
620 } prog_section_statement;
632 * 7 = ev_pointer -- engine only
633 * 8 = ev_bad -- engine only
640 typedef prog_section_both prog_section_def;
641 typedef prog_section_both prog_section_field;
643 /* this is ORed to the type */
644 #define DEF_SAVEGLOBAL (1<<15)
645 #define DEF_TYPEMASK ((1<<15)-1)
648 int32_t entry; /* in statement table for instructions */
649 uint32_t firstlocal; /* First local in local table */
650 uint32_t locals; /* Total ints of params + locals */
651 uint32_t profile; /* Always zero (engine uses this) */
652 uint32_t name; /* name of function in string table */
653 uint32_t file; /* file of the source file */
654 int32_t nargs; /* number of arguments */
655 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
656 } prog_section_function;
660 * These are the external instructions supported by the interperter
661 * this is what things compile to (from the C code).
667 INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
668 INSTR_MUL_VF, /* and here: B != C */
732 * Virtual instructions used by the IR
739 /* A never returning CALL.
740 * Creating this causes IR blocks to be marked as 'final'.
746 /* TODO: cleanup this mess */
747 extern prog_section_statement *code_statements;
748 extern int *code_linenums;
749 extern prog_section_def *code_defs;
750 extern prog_section_field *code_fields;
751 extern prog_section_function *code_functions;
752 extern int *code_globals;
753 extern char *code_chars;
754 extern uint16_t code_crc;
757 typedef float qcfloat;
758 typedef int32_t qcint;
761 * code_write -- writes out the compiled file
762 * code_init -- prepares the code file
764 bool code_write (const char *filename, const char *lno);
766 uint32_t code_genstring (const char *string);
767 qcint code_alloc_field (size_t qcsize);
769 /* this function is used to keep statements and linenumbers together */
770 void code_push_statement(prog_section_statement *stmt, int linenum);
771 void code_pop_statement();
774 * A shallow copy of a lex_file to remember where which ast node
782 /*===================================================================*/
783 /*============================ con.c ================================*/
784 /*===================================================================*/
803 FILE *con_default_out();
804 FILE *con_default_err();
806 void con_vprintmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, va_list ap);
807 void con_printmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, ...);
808 void con_cvprintmsg(void *ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
809 void con_cprintmsg (void *ctx, int lvl, const char *msgtype, const char *msg, ...);
814 void con_color (int);
815 int con_change(const char *, const char *);
816 int con_verr (const char *, va_list);
817 int con_vout (const char *, va_list);
818 int con_err (const char *, ...);
819 int con_out (const char *, ...);
821 /* error/warning interface */
822 extern size_t compile_errors;
823 extern size_t compile_Werrors;
824 extern size_t compile_warnings;
826 void /********/ compile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, ...);
827 void /********/ vcompile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
828 bool GMQCC_WARN compile_warning (lex_ctx ctx, int warntype, const char *fmt, ...);
829 bool GMQCC_WARN vcompile_warning(lex_ctx ctx, int warntype, const char *fmt, va_list ap);
830 void compile_show_werrors();
832 /*===================================================================*/
833 /*========================= assembler.c =============================*/
834 /*===================================================================*/
835 /* TODO: remove this ... */
836 static const struct {
837 const char *m; /* menomic */
838 const size_t o; /* operands */
839 const size_t l; /* menomic len */
865 { "FIELD_F" , 0, 7 },
866 { "FIELD_V" , 0, 7 },
867 { "FIELD_S" , 0, 7 },
868 { "FIELD_ENT" , 0, 9 },
869 { "FIELD_FLD" , 0, 9 },
870 { "FIELD_FNC" , 0, 9 },
871 { "ADDRESS" , 0, 7 },
872 { "STORE_F" , 0, 7 },
873 { "STORE_V" , 0, 7 },
874 { "STORE_S" , 0, 7 },
875 { "STORE_ENT" , 0, 9 },
876 { "STORE_FLD" , 0, 9 },
877 { "STORE_FNC" , 0, 9 },
878 { "STOREP_F" , 0, 8 },
879 { "STOREP_V" , 0, 8 },
880 { "STOREP_S" , 0, 8 },
881 { "STOREP_ENT", 0, 10},
882 { "STOREP_FLD", 0, 10},
883 { "STOREP_FNC", 0, 10},
888 { "NOT_ENT" , 0, 7 },
889 { "NOT_FNC" , 0, 7 },
908 { "END" , 0, 3 } /* virtual assembler instruction */
910 /*===================================================================*/
911 /*============================= ir.c ================================*/
912 /*===================================================================*/
916 store_local, /* local, assignable for now, should get promoted later */
917 store_param, /* parameters, they are locals with a fixed position */
918 store_value, /* unassignable */
919 store_return /* unassignable, at OFS_RETURN */
926 vector vec3_add (vector, vector);
927 vector vec3_sub (vector, vector);
928 qcfloat vec3_mulvv(vector, vector);
929 vector vec3_mulvf(vector, float);
931 /*===================================================================*/
932 /*============================= exec.c ==============================*/
933 /*===================================================================*/
937 * Darkplaces has (or will have) a 64 bit prog loader
938 * where the 32 bit qc program is autoconverted on load.
939 * Since we may want to support that as well, let's redefine
940 * float and int here.
952 typedef char qcfloat_size_is_correct [sizeof(qcfloat) == 4 ?1:-1];
953 typedef char qcint_size_is_correct [sizeof(qcint) == 4 ?1:-1];
957 VMERR_TEMPSTRING_ALLOC,
962 #define VM_JUMPS_DEFAULT 1000000
965 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
966 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
967 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
971 typedef int (*prog_builtin)(struct qc_program_s *prog);
976 prog_section_function *function;
979 typedef struct qc_program_s {
982 prog_section_statement *code;
983 prog_section_def *defs;
984 prog_section_def *fields;
985 prog_section_function *functions;
991 const char* *function_stack;
995 size_t tempstring_start;
996 size_t tempstring_at;
1002 prog_builtin *builtins;
1003 size_t builtins_count;
1007 size_t entityfields;
1008 bool allowworldwrites;
1011 qc_exec_stack *stack;
1016 int argc; /* current arg count for debugging */
1019 qc_program* prog_load(const char *filename, bool ignoreversion);
1020 void prog_delete(qc_program *prog);
1022 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps);
1024 char* prog_getstring (qc_program *prog, qcint str);
1025 prog_section_def* prog_entfield (qc_program *prog, qcint off);
1026 prog_section_def* prog_getdef (qc_program *prog, qcint off);
1027 qcany* prog_getedict (qc_program *prog, qcint e);
1028 qcint prog_tempstring(qc_program *prog, const char *_str);
1031 /*===================================================================*/
1032 /*===================== parser.c commandline ========================*/
1033 /*===================================================================*/
1036 struct parser_s *parser_create ();
1037 bool parser_compile_file (struct parser_s *parser, const char *);
1038 bool parser_compile_string(struct parser_s *parser, const char *, const char *, size_t);
1039 bool parser_finish (struct parser_s *parser, const char *);
1040 void parser_cleanup (struct parser_s *parser);
1042 /*===================================================================*/
1043 /*====================== ftepp.c commandline ========================*/
1044 /*===================================================================*/
1050 char *(*func)(struct lex_file_s *);
1054 * line, file, counter, counter_last, random, random_last, date, time
1055 * increment when items are added
1057 #define FTEPP_PREDEF_COUNT 8
1059 struct ftepp_s *ftepp_create ();
1060 bool ftepp_preprocess_file (struct ftepp_s *ftepp, const char *filename);
1061 bool ftepp_preprocess_string(struct ftepp_s *ftepp, const char *name, const char *str);
1062 void ftepp_finish (struct ftepp_s *ftepp);
1063 const char *ftepp_get (struct ftepp_s *ftepp);
1064 void ftepp_flush (struct ftepp_s *ftepp);
1065 void ftepp_add_define (struct ftepp_s *ftepp, const char *source, const char *name);
1066 void ftepp_add_macro (struct ftepp_s *ftepp, const char *name, const char *value);
1068 extern const ftepp_predef_t ftepp_predefs[FTEPP_PREDEF_COUNT];
1070 /*===================================================================*/
1071 /*======================= main.c commandline ========================*/
1072 /*===================================================================*/
1075 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
1076 * to 32 or 64 -f options...
1079 size_t idx; /* index into an array of 32 bit words */
1080 uint8_t bit; /* bit index for the 8 bit group idx points to */
1082 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
1083 #define LONGBIT_SET(B, I) ((B).idx = (I)/32, (B).bit = ((I)%32))
1085 typedef uint32_t longbit;
1086 #define LONGBIT(bit) (bit)
1087 #define LONGBIT_SET(B, I) ((B) = (I))
1090 /*===================================================================*/
1091 /*=========================== utf8lib.c =============================*/
1092 /*===================================================================*/
1093 typedef uint32_t uchar_t;
1095 bool u8_analyze (const char *_s, size_t *_start, size_t *_len, uchar_t *_ch, size_t _maxlen);
1096 size_t u8_strlen (const char*);
1097 size_t u8_strnlen (const char*, size_t);
1098 uchar_t u8_getchar (const char*, const char**);
1099 uchar_t u8_getnchar(const char*, const char**, size_t);
1100 int u8_fromchar(uchar_t w, char *to, size_t maxlen);
1102 /*===================================================================*/
1103 /*============================= opts.c ==============================*/
1104 /*===================================================================*/
1110 bool opts_setflag (const char *, bool);
1111 bool opts_setwarn (const char *, bool);
1112 bool opts_setwerror(const char *, bool);
1113 bool opts_setoptim (const char *, bool);
1115 void opts_init (const char *, int, size_t);
1116 void opts_set (uint32_t *, size_t, bool);
1117 void opts_setoptimlevel(unsigned int);
1118 void opts_ini_init (const char *);
1120 /* Saner flag handling */
1121 void opts_backup_non_Wall();
1122 void opts_restore_non_Wall();
1123 void opts_backup_non_Werror_all();
1124 void opts_restore_non_Werror_all();
1127 # define GMQCC_TYPE_FLAGS
1128 # define GMQCC_DEFINE_FLAG(X) X,
1129 # include "opts.def"
1132 static const opts_flag_def opts_flag_list[] = {
1133 # define GMQCC_TYPE_FLAGS
1134 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(X) },
1135 # include "opts.def"
1136 { NULL, LONGBIT(0) }
1140 # define GMQCC_TYPE_WARNS
1141 # define GMQCC_DEFINE_FLAG(X) WARN_##X,
1142 # include "opts.def"
1145 static const opts_flag_def opts_warn_list[] = {
1146 # define GMQCC_TYPE_WARNS
1147 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(WARN_##X) },
1148 # include "opts.def"
1149 { NULL, LONGBIT(0) }
1153 # define GMQCC_TYPE_OPTIMIZATIONS
1154 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
1155 # include "opts.def"
1158 static const opts_flag_def opts_opt_list[] = {
1159 # define GMQCC_TYPE_OPTIMIZATIONS
1160 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) { #NAME, LONGBIT(OPTIM_##NAME) },
1161 # include "opts.def"
1162 { NULL, LONGBIT(0) }
1164 static const unsigned int opts_opt_oflag[] = {
1165 # define GMQCC_TYPE_OPTIMIZATIONS
1166 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) MIN_O,
1167 # include "opts.def"
1172 # define GMQCC_TYPE_OPTIONS
1173 # define GMQCC_DEFINE_FLAG(X) OPTION_##X,
1174 # include "opts.def"
1178 extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
1180 /* other options: */
1182 COMPILER_QCC, /* circa QuakeC */
1183 COMPILER_FTEQCC, /* fteqcc QuakeC */
1184 COMPILER_QCCX, /* qccx QuakeC */
1185 COMPILER_GMQCC /* this QuakeC */
1197 opt_value_t options [OPTION_COUNT];
1198 uint32_t flags [1 + (COUNT_FLAGS / 32)];
1199 uint32_t warn [1 + (COUNT_WARNINGS / 32)];
1200 uint32_t werror [1 + (COUNT_WARNINGS / 32)];
1201 uint32_t warn_backup [1 + (COUNT_WARNINGS / 32)];
1202 uint32_t werror_backup[1 + (COUNT_WARNINGS / 32)];
1203 uint32_t optimization [1 + (COUNT_OPTIMIZATIONS / 32)];
1204 bool optimizeoff; /* True when -O0 */
1207 extern opts_cmd_t opts;
1209 #define OPTS_GENERIC(f,i) (!! (((f)[(i)/32]) & (1<< ((i)%32))))
1210 #define OPTS_FLAG(i) OPTS_GENERIC(opts.flags, (i))
1211 #define OPTS_WARN(i) OPTS_GENERIC(opts.warn, (i))
1212 #define OPTS_WERROR(i) OPTS_GENERIC(opts.werror, (i))
1213 #define OPTS_OPTIMIZATION(i) OPTS_GENERIC(opts.optimization, (i))
1214 #define OPTS_OPTION_BOOL(X) (opts.options[X].B)
1215 #define OPTS_OPTION_U16(X) (opts.options[X].U16)
1216 #define OPTS_OPTION_U32(X) (opts.options[X].U32)
1217 #define OPTS_OPTION_STR(X) (opts.options[X].STR)
1219 #endif /*! GMQCC_HDR */