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__) */
155 typedef unsigned __int8 uint8_t;
156 typedef unsigned __int16 uint16_t;
157 typedef unsigned __int32 uint32_t;
158 typedef unsigned __int64 uint64_t;
160 typedef __int16 int16_t;
161 typedef __int32 int32_t;
162 typedef __int64 int64_t;
163 #endif /*! _MSC_VER */
166 * Very roboust way at determining endianess at compile time: this handles
167 * almost every possible situation. Otherwise a runtime check has to be
170 #define GMQCC_BYTE_ORDER_LITTLE 1234
171 #define GMQCC_BYTE_ORDER_BIG 4321
173 #if defined (__GNUC__) || defined (__GNU_LIBRARY__)
174 # if defined (__FreeBSD__) || defined (__OpenBSD__)
175 # include <sys/endian.h>
176 # elif defined (BSD) && (BSD >= 199103) || defined (__DJGPP__) || defined (__CYGWIN32__)
177 # include <machine/endian.h>
178 # elif defined (__APPLE__)
179 # if defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN)
181 # elif defined (__LITTLE_ENDIAN__) && !defined (LITTLE_ENDIAN)
182 # define LITTLE_ENDIAN
183 # endif /*! defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN) */
184 # elif !defined (__MINGW32__)
186 # if !defined (__BEOS__)
187 # include <byteswap.h>
188 # endif /*! !definde (__BEOS__) */
189 # endif /*! defined (__FreeBSD__) || defined (__OpenBSD__) */
190 #endif /*! defined (__GNUC__) || defined (__GNU_LIBRARY__) */
191 #if !defined(PLATFORM_BYTE_ORDER)
192 # if defined (LITTLE_ENDIAN) || defined (BIG_ENDIAN)
193 # if defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN)
194 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
195 # elif !defined (LITTLE_ENDIAN) && defined (BIG_ENDIAN)
196 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
197 # elif defined (BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
198 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
199 # elif defined (BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)
200 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
201 # endif /*! defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN) */
202 # elif 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 # endif /*! defined(LITTLE_ENDIAN) || defined (BIG_ENDIAN) */
223 #endif /*! !defined(PLATFORM_BYTE_ORDER) */
224 #if !defined (PLATFORM_BYTE_ORDER)
225 # if defined (__alpha__) || defined (__alpha) || defined (i386) || \
226 defined (__i386__) || defined (_M_I86) || defined (_M_IX86) || \
227 defined (__OS2__) || defined (sun386) || defined (__TURBOC__) || \
228 defined (vax) || defined (vms) || defined (VMS) || \
229 defined (__VMS) || defined (__x86_64__) || defined (_M_IA64) || \
230 defined (_M_X64) || defined (__i386) || defined (__x86_64)
231 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
232 # elif defined (AMIGA) || defined (applec) || defined (__AS400__) || \
233 defined (_CRAY) || defined (__hppa) || defined (__hp9000) || \
234 defined (ibm370) || defined (mc68000) || defined (m68k) || \
235 defined (__MRC__) || defined (__MVS__) || defined (__MWERKS__) || \
236 defined (sparc) || defined (__sparc) || defined (SYMANTEC_C) || \
237 defined (__TANDEM) || defined (THINK_C) || defined (__VMCMS__) || \
238 defined (__PPC__) || defined (__PPC) || defined (PPC)
239 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
241 # define PLATFORM_BYTE_ORDER -1
243 #endif /*! !defined (PLATFORM_BYTE_ORDER) */
246 * On windows systems where we're not compiling with MING32 we need a
247 * little extra help on dependinces for implementing our own dirent.h
250 #if defined(_WIN32) && !defined(__MINGW32__)
251 # define _WIN32_LEAN_AND_MEAN
252 # include <windows.h>
258 unsigned short d_reclen;
259 unsigned short d_namlen;
260 char d_name[FILENAME_MAX];
264 struct _finddata_t dd_dta;
265 struct dirent dd_dir;
271 * Visual studio also lacks S_ISDIR for sys/stat.h, so we emulate this as well
272 * which is not hard at all.
276 # endif /*! S_ISDIR */
277 # define S_ISDIR(X) ((X)&_S_IFDIR)
280 #endif /*! _WIN32 && !defined(__MINGW32__) */
282 /*===================================================================*/
283 /*=========================== stat.c ================================*/
284 /*===================================================================*/
285 void stat_info (void);
286 char *stat_mem_strdup (const char *, size_t, const char *, bool);
287 void *stat_mem_reallocate(void *, size_t, size_t, const char *);
288 void stat_mem_deallocate(void *);
289 void *stat_mem_allocate (size_t, size_t, const char *);
291 #define mem_a(SIZE) stat_mem_allocate ((SIZE), __LINE__, __FILE__)
292 #define mem_d(PTRN) stat_mem_deallocate((void*)(PTRN))
293 #define mem_r(PTRN, SIZE) stat_mem_reallocate((void*)(PTRN), (SIZE), __LINE__, __FILE__)
294 #define mem_af(SIZE, FILE, LINE) stat_mem_allocate ((SIZE), (LINE), (FILE))
296 /* TODO: rename to mem variations */
297 #define util_strdup(SRC) stat_mem_strdup((char*)(SRC), __LINE__, __FILE__, false)
298 #define util_strdupe(SRC) stat_mem_strdup((char*)(SRC), __LINE__, __FILE__, true)
300 /*===================================================================*/
301 /*=========================== util.c ================================*/
302 /*===================================================================*/
305 * Microsoft implements against the spec versions of ctype.h. Which
306 * means what ever the current set locale is will render the actual
307 * results of say isalpha('A') wrong for what ever retarded locale
308 * is used. Simalerly these are also implemented inefficently on
309 * some toolchains and end up becoming actual library calls. Perhaps
310 * this is why tools like yacc provide their own? Regardless implementing
311 * these as functions is equally as silly, the call overhead is not
312 * justified when this could happen on every character from an input
313 * stream. We provide our own as macros for absolute inlinability.
315 #define util_isalpha(a) ((((unsigned)(a)|32)-'a') < 26)
316 #define util_isdigit(a) (((unsigned)(a)-'0') < 10)
317 #define util_islower(a) (((unsigned)(a)-'a') < 26)
318 #define util_isupper(a) (((unsigned)(a)-'A') < 26)
319 #define util_isprint(a) (((unsigned)(a)-0x20) < 0x5F)
320 #define util_isspace(a) (((a) >= 9 && (a) <= 13) || (a) == ' ')
322 bool util_filexists (const char *);
323 bool util_strupper (const char *);
324 bool util_strdigit (const char *);
325 void util_debug (const char *, const char *, ...);
326 void util_endianswap (void *, size_t, unsigned int);
328 size_t util_strtocmd (const char *, char *, size_t);
329 size_t util_strtononcmd (const char *, char *, size_t);
331 uint16_t util_crc16(uint16_t crc, const char *data, size_t len);
333 void util_seed(uint32_t);
334 uint32_t util_rand(void);
337 * String functions (formatting, copying, concatenating, errors). These are wrapped
338 * to use the MSVC _safe_ versions when using MSVC, plus some implementations of
339 * these are non-conformant or don't exist such as asprintf and snprintf, which are
340 * not supported in C90, but do exist in C99.
342 int util_vasprintf(char **ret, const char *fmt, va_list);
343 int util_asprintf (char **ret, const char *fmt, ...);
344 int util_snprintf (char *src, size_t bytes, const char *format, ...);
345 char *util_strcat (char *dest, const char *src);
346 char *util_strncpy (char *dest, const char *src, size_t num);
347 const char *util_strerror (int num);
350 * A flexible vector implementation: all vector pointers contain some
351 * data about themselfs exactly - sizeof(vector_t) behind the pointer
352 * this data is represented in the structure below. Doing this allows
353 * us to use the array [] to access individual elements from the vector
354 * opposed to using set/get methods.
360 /* can be extended now! whoot */
363 /* hidden interface */
364 void _util_vec_grow(void **a, size_t i, size_t s);
365 #define GMQCC_VEC_WILLGROW(X,Y) ( \
366 ((!(X) || vec_meta(X)->used + Y >= vec_meta(X)->allocated)) ? \
367 (void)_util_vec_grow(((void**)&(X)), (Y), sizeof(*(X))) : \
371 /* exposed interface */
372 #define vec_meta(A) (((vector_t*)((void*)A)) - 1)
373 #define vec_free(A) ((void)((A) ? (mem_d((void*)vec_meta(A)), (A) = NULL) : 0))
374 #define vec_push(A,V) (GMQCC_VEC_WILLGROW((A),1), (A)[vec_meta(A)->used++] = (V))
375 #define vec_size(A) ((A) ? vec_meta(A)->used : 0)
376 #define vec_add(A,N) (GMQCC_VEC_WILLGROW((A),(N)), vec_meta(A)->used += (N), &(A)[vec_meta(A)->used-(N)])
377 #define vec_last(A) ((A)[vec_meta(A)->used - 1])
378 #define vec_pop(A) ((void)(vec_meta(A)->used -= 1))
379 #define vec_shrinkto(A,N) ((void)(vec_meta(A)->used = (N)))
380 #define vec_shrinkby(A,N) ((void)(vec_meta(A)->used -= (N)))
381 #define vec_append(A,N,S) ((void)(memcpy(vec_add((A), (N)), (S), (N) * sizeof(*(S)))))
382 #define vec_upload(X,Y,S) ((void)(memcpy(vec_add((X), (S) * sizeof(*(Y))), (Y), (S) * sizeof(*(Y)))))
383 #define vec_remove(A,I,N) ((void)(memmove((A)+(I),(A)+((I)+(N)),sizeof(*(A))*(vec_meta(A)->used-(I)-(N))),vec_meta(A)->used-=(N)))
385 typedef struct trie_s {
387 struct trie_s *entries;
390 correct_trie_t* correct_trie_new(void);
392 typedef struct hash_table_t {
394 struct hash_node_t **table;
398 * hashtable implementation:
401 * This was designed for pointers: you manage the life of the object yourself
402 * if you do use this for non-pointers please be warned that the object may not
403 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
404 * yourself, or put those in global scope to ensure duration is for the whole
407 * util_htnew(size) -- to make a new hashtable
408 * util_htset(table, key, value, sizeof(value)) -- to set something in the table
409 * util_htget(table, key) -- to get something from the table
410 * util_htdel(table) -- to delete the table
414 * ht foo = util_htnew(1024);
416 * char *test = "hello world\n";
417 * util_htset(foo, "foo", (void*)&data);
418 * util_gtset(foo, "bar", (void*)test);
420 * printf("foo: %d, bar %s",
421 * *((int *)util_htget(foo, "foo")),
422 * ((char*)util_htget(foo, "bar"))
427 hash_table_t *util_htnew (size_t size);
428 void util_htrem (hash_table_t *ht, void (*callback)(void *data));
429 void util_htset (hash_table_t *ht, const char *key, void *value);
430 void util_htdel (hash_table_t *ht);
431 size_t util_hthash(hash_table_t *ht, const char *key);
432 void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
433 void util_htrmh (hash_table_t *ht, const char *key, size_t bin, void (*cb)(void*));
434 void util_htrm (hash_table_t *ht, const char *key, void (*cb)(void*));
436 void *util_htget (hash_table_t *ht, const char *key);
437 void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
439 /*===================================================================*/
440 /*============================ file.c ===============================*/
441 /*===================================================================*/
443 void fs_file_close (FILE *);
444 int fs_file_error (FILE *);
445 int fs_file_getc (FILE *);
446 int fs_file_printf (FILE *, const char *, ...);
447 int fs_file_puts (FILE *, const char *);
448 int fs_file_seek (FILE *, long int, int);
449 long int fs_file_tell (FILE *);
451 size_t fs_file_read (void *, size_t, size_t, FILE *);
452 size_t fs_file_write (const void *, size_t, size_t, FILE *);
454 FILE *fs_file_open (const char *, const char *);
455 int fs_file_getline(char **, size_t *, FILE *);
457 /* directory handling */
458 int fs_dir_make (const char *);
459 DIR *fs_dir_open (const char *);
460 int fs_dir_close (DIR *);
461 struct dirent *fs_dir_read (DIR *);
464 /*===================================================================*/
465 /*=========================== correct.c =============================*/
466 /*===================================================================*/
472 void correct_del (correct_trie_t*, size_t **);
473 void correct_add (correct_trie_t*, size_t ***, const char *);
474 char *correct_str (correction_t *, correct_trie_t*, const char *);
475 void correct_init(correction_t *);
476 void correct_free(correction_t *);
478 /*===================================================================*/
479 /*=========================== code.c ================================*/
480 /*===================================================================*/
483 /* Note: if you change the order, fix type_sizeof in ir.c */
499 TYPE_NIL , /* it's its own type / untyped */
500 TYPE_NOEXPR , /* simply invalid in expressions */
505 /* const/var qualifiers */
509 #define CV_WRONG 0x8000 /* magic number to help parsing */
511 extern const char *type_name [TYPE_COUNT];
512 extern const uint16_t type_store_instr [TYPE_COUNT];
513 extern const uint16_t field_store_instr[TYPE_COUNT];
516 * could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
517 * but this breaks when TYPE_INTEGER is added, since with the enhanced
518 * instruction set, the old ones are left untouched, thus the _I instructions
519 * are at a seperate place.
521 extern const uint16_t type_storep_instr[TYPE_COUNT];
522 extern const uint16_t type_eq_instr [TYPE_COUNT];
523 extern const uint16_t type_ne_instr [TYPE_COUNT];
524 extern const uint16_t type_not_instr [TYPE_COUNT];
527 uint32_t offset; /* Offset in file of where data begins */
528 uint32_t length; /* Length of section (how many of) */
532 uint32_t version; /* Program version (6) */
536 prog_section statements; /* prog_section_statement */
537 prog_section defs; /* prog_section_def */
538 prog_section fields; /* prog_section_field */
539 prog_section functions; /* prog_section_function */
540 prog_section strings;
541 prog_section globals;
542 uint32_t entfield; /* Number of entity fields */
546 * Each paramater incerements by 3 since vector types hold
547 * 3 components (x,y,z).
551 #define OFS_PARM0 (OFS_RETURN+3)
552 #define OFS_PARM1 (OFS_PARM0 +3)
553 #define OFS_PARM2 (OFS_PARM1 +3)
554 #define OFS_PARM3 (OFS_PARM2 +3)
555 #define OFS_PARM4 (OFS_PARM3 +3)
556 #define OFS_PARM5 (OFS_PARM4 +3)
557 #define OFS_PARM6 (OFS_PARM5 +3)
558 #define OFS_PARM7 (OFS_PARM6 +3)
565 int16_t s1; /* signed */
566 uint16_t u1; /* unsigned */
570 int16_t s1; /* signed */
571 uint16_t u1; /* unsigned */
575 int16_t s1; /* signed */
576 uint16_t u1; /* unsigned */
580 * This is the same as the structure in darkplaces
585 * But this one is more sane to work with, and the
586 * type sizes are guranteed.
588 } prog_section_statement;
600 * 7 = ev_pointer -- engine only
601 * 8 = ev_bad -- engine only
608 typedef prog_section_both prog_section_def;
609 typedef prog_section_both prog_section_field;
611 /* this is ORed to the type */
612 #define DEF_SAVEGLOBAL (1<<15)
613 #define DEF_TYPEMASK ((1<<15)-1)
616 int32_t entry; /* in statement table for instructions */
617 uint32_t firstlocal; /* First local in local table */
618 uint32_t locals; /* Total ints of params + locals */
619 uint32_t profile; /* Always zero (engine uses this) */
620 uint32_t name; /* name of function in string table */
621 uint32_t file; /* file of the source file */
622 int32_t nargs; /* number of arguments */
623 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
624 } prog_section_function;
628 * These are the external instructions supported by the interperter
629 * this is what things compile to (from the C code).
635 INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
636 INSTR_MUL_VF, /* and here: B != C */
700 * Virtual instructions used by the IR
707 /* A never returning CALL.
708 * Creating this causes IR blocks to be marked as 'final'.
715 typedef float qcfloat;
716 typedef int32_t qcint;
719 prog_section_statement *statements;
721 prog_section_def *defs;
722 prog_section_field *fields;
723 prog_section_function *functions;
729 qcint string_cached_empty;
733 * code_write -- writes out the compiled file
734 * code_init -- prepares the code file
735 * code_genstrin -- generates string for code
736 * code_alloc_field -- allocated a field
737 * code_push_statement -- keeps statements and linenumbers together
738 * code_pop_statement -- keeps statements and linenumbers together
740 bool code_write (code_t *, const char *filename, const char *lno);
742 code_t *code_init (void);
743 void code_cleanup (code_t *);
744 uint32_t code_genstring (code_t *, const char *string);
745 qcint code_alloc_field (code_t *, size_t qcsize);
746 void code_push_statement(code_t *, prog_section_statement *stmt, int linenum);
747 void code_pop_statement (code_t *);
750 * A shallow copy of a lex_file to remember where which ast node
759 /*===================================================================*/
760 /*============================ con.c ================================*/
761 /*===================================================================*/
780 FILE *con_default_out(void);
781 FILE *con_default_err(void);
783 void con_vprintmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, va_list ap);
784 void con_printmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, ...);
785 void con_cvprintmsg(void *ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
786 void con_cprintmsg (void *ctx, int lvl, const char *msgtype, const char *msg, ...);
788 void con_close (void);
789 void con_init (void);
790 void con_reset (void);
791 void con_color (int);
792 int con_change(const char *, const char *);
793 int con_verr (const char *, va_list);
794 int con_vout (const char *, va_list);
795 int con_err (const char *, ...);
796 int con_out (const char *, ...);
798 /* error/warning interface */
799 extern size_t compile_errors;
800 extern size_t compile_Werrors;
801 extern size_t compile_warnings;
803 void /********/ compile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, ...);
804 void /********/ vcompile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
805 bool GMQCC_WARN compile_warning (lex_ctx ctx, int warntype, const char *fmt, ...);
806 bool GMQCC_WARN vcompile_warning(lex_ctx ctx, int warntype, const char *fmt, va_list ap);
807 void compile_show_werrors(void);
809 /*===================================================================*/
810 /*========================= assembler.c =============================*/
811 /*===================================================================*/
812 /* TODO: remove this ... */
813 static const struct {
814 const char *m; /* menomic */
815 const size_t o; /* operands */
816 const size_t l; /* menomic len */
842 { "FIELD_F" , 0, 7 },
843 { "FIELD_V" , 0, 7 },
844 { "FIELD_S" , 0, 7 },
845 { "FIELD_ENT" , 0, 9 },
846 { "FIELD_FLD" , 0, 9 },
847 { "FIELD_FNC" , 0, 9 },
848 { "ADDRESS" , 0, 7 },
849 { "STORE_F" , 0, 7 },
850 { "STORE_V" , 0, 7 },
851 { "STORE_S" , 0, 7 },
852 { "STORE_ENT" , 0, 9 },
853 { "STORE_FLD" , 0, 9 },
854 { "STORE_FNC" , 0, 9 },
855 { "STOREP_F" , 0, 8 },
856 { "STOREP_V" , 0, 8 },
857 { "STOREP_S" , 0, 8 },
858 { "STOREP_ENT", 0, 10},
859 { "STOREP_FLD", 0, 10},
860 { "STOREP_FNC", 0, 10},
865 { "NOT_ENT" , 0, 7 },
866 { "NOT_FNC" , 0, 7 },
885 { "END" , 0, 3 } /* virtual assembler instruction */
887 /*===================================================================*/
888 /*============================= ir.c ================================*/
889 /*===================================================================*/
893 store_local, /* local, assignable for now, should get promoted later */
894 store_param, /* parameters, they are locals with a fixed position */
895 store_value, /* unassignable */
896 store_return /* unassignable, at OFS_RETURN */
903 vector vec3_add (vector, vector);
904 vector vec3_sub (vector, vector);
905 qcfloat vec3_mulvv(vector, vector);
906 vector vec3_mulvf(vector, float);
908 /*===================================================================*/
909 /*============================= exec.c ==============================*/
910 /*===================================================================*/
914 * Darkplaces has (or will have) a 64 bit prog loader
915 * where the 32 bit qc program is autoconverted on load.
916 * Since we may want to support that as well, let's redefine
917 * float and int here.
929 typedef char qcfloat_size_is_correct [sizeof(qcfloat) == 4 ?1:-1];
930 typedef char qcint_size_is_correct [sizeof(qcint) == 4 ?1:-1];
934 VMERR_TEMPSTRING_ALLOC,
939 #define VM_JUMPS_DEFAULT 1000000
942 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
943 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
944 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
948 typedef int (*prog_builtin)(struct qc_program_s *prog);
953 prog_section_function *function;
956 typedef struct qc_program_s {
959 prog_section_statement *code;
960 prog_section_def *defs;
961 prog_section_def *fields;
962 prog_section_function *functions;
968 const char* *function_stack;
972 size_t tempstring_start;
973 size_t tempstring_at;
979 prog_builtin *builtins;
980 size_t builtins_count;
985 bool allowworldwrites;
988 qc_exec_stack *stack;
993 int argc; /* current arg count for debugging */
996 qc_program* prog_load(const char *filename, bool ignoreversion);
997 void prog_delete(qc_program *prog);
999 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps);
1001 const char* prog_getstring (qc_program *prog, qcint str);
1002 prog_section_def* prog_entfield (qc_program *prog, qcint off);
1003 prog_section_def* prog_getdef (qc_program *prog, qcint off);
1004 qcany* prog_getedict (qc_program *prog, qcint e);
1005 qcint prog_tempstring(qc_program *prog, const char *_str);
1008 /*===================================================================*/
1009 /*===================== parser.c commandline ========================*/
1010 /*===================================================================*/
1012 struct parser_s *parser_create (void);
1013 bool parser_compile_file (struct parser_s *parser, const char *);
1014 bool parser_compile_string(struct parser_s *parser, const char *, const char *, size_t);
1015 bool parser_finish (struct parser_s *parser, const char *);
1016 void parser_cleanup (struct parser_s *parser);
1018 /*===================================================================*/
1019 /*====================== ftepp.c commandline ========================*/
1020 /*===================================================================*/
1022 struct ftepp_s *ftepp_create (void);
1023 bool ftepp_preprocess_file (struct ftepp_s *ftepp, const char *filename);
1024 bool ftepp_preprocess_string(struct ftepp_s *ftepp, const char *name, const char *str);
1025 void ftepp_finish (struct ftepp_s *ftepp);
1026 const char *ftepp_get (struct ftepp_s *ftepp);
1027 void ftepp_flush (struct ftepp_s *ftepp);
1028 void ftepp_add_define (struct ftepp_s *ftepp, const char *source, const char *name);
1029 void ftepp_add_macro (struct ftepp_s *ftepp, const char *name, const char *value);
1031 /*===================================================================*/
1032 /*======================= main.c commandline ========================*/
1033 /*===================================================================*/
1036 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
1037 * to 32 or 64 -f options...
1040 size_t idx; /* index into an array of 32 bit words */
1041 uint8_t bit; /* bit index for the 8 bit group idx points to */
1043 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
1044 #define LONGBIT_SET(B, I) ((B).idx = (I)/32, (B).bit = ((I)%32))
1046 typedef uint32_t longbit;
1047 #define LONGBIT(bit) (bit)
1048 #define LONGBIT_SET(B, I) ((B) = (I))
1051 /*===================================================================*/
1052 /*=========================== utf8lib.c =============================*/
1053 /*===================================================================*/
1054 typedef uint32_t uchar_t;
1056 bool u8_analyze (const char *_s, size_t *_start, size_t *_len, uchar_t *_ch, size_t _maxlen);
1057 size_t u8_strlen (const char*);
1058 size_t u8_strnlen (const char*, size_t);
1059 uchar_t u8_getchar (const char*, const char**);
1060 uchar_t u8_getnchar(const char*, const char**, size_t);
1061 int u8_fromchar(uchar_t w, char *to, size_t maxlen);
1063 /*===================================================================*/
1064 /*============================= opts.c ==============================*/
1065 /*===================================================================*/
1071 bool opts_setflag (const char *, bool);
1072 bool opts_setwarn (const char *, bool);
1073 bool opts_setwerror(const char *, bool);
1074 bool opts_setoptim (const char *, bool);
1076 void opts_init (const char *, int, size_t);
1077 void opts_set (uint32_t *, size_t, bool);
1078 void opts_setoptimlevel(unsigned int);
1079 void opts_ini_init (const char *);
1081 /* Saner flag handling */
1082 void opts_backup_non_Wall(void);
1083 void opts_restore_non_Wall(void);
1084 void opts_backup_non_Werror_all(void);
1085 void opts_restore_non_Werror_all(void);
1088 # define GMQCC_TYPE_FLAGS
1089 # define GMQCC_DEFINE_FLAG(X) X,
1090 # include "opts.def"
1093 static const opts_flag_def opts_flag_list[] = {
1094 # define GMQCC_TYPE_FLAGS
1095 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(X) },
1096 # include "opts.def"
1097 { NULL, LONGBIT(0) }
1101 # define GMQCC_TYPE_WARNS
1102 # define GMQCC_DEFINE_FLAG(X) WARN_##X,
1103 # include "opts.def"
1106 static const opts_flag_def opts_warn_list[] = {
1107 # define GMQCC_TYPE_WARNS
1108 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(WARN_##X) },
1109 # include "opts.def"
1110 { NULL, LONGBIT(0) }
1114 # define GMQCC_TYPE_OPTIMIZATIONS
1115 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
1116 # include "opts.def"
1119 static const opts_flag_def opts_opt_list[] = {
1120 # define GMQCC_TYPE_OPTIMIZATIONS
1121 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) { #NAME, LONGBIT(OPTIM_##NAME) },
1122 # include "opts.def"
1123 { NULL, LONGBIT(0) }
1125 static const unsigned int opts_opt_oflag[] = {
1126 # define GMQCC_TYPE_OPTIMIZATIONS
1127 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) MIN_O,
1128 # include "opts.def"
1133 # define GMQCC_TYPE_OPTIONS
1134 # define GMQCC_DEFINE_FLAG(X) OPTION_##X,
1135 # include "opts.def"
1139 extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
1141 /* other options: */
1143 COMPILER_QCC, /* circa QuakeC */
1144 COMPILER_FTEQCC, /* fteqcc QuakeC */
1145 COMPILER_QCCX, /* qccx QuakeC */
1146 COMPILER_GMQCC /* this QuakeC */
1158 opt_value_t options [OPTION_COUNT];
1159 uint32_t flags [1 + (COUNT_FLAGS / 32)];
1160 uint32_t warn [1 + (COUNT_WARNINGS / 32)];
1161 uint32_t werror [1 + (COUNT_WARNINGS / 32)];
1162 uint32_t warn_backup [1 + (COUNT_WARNINGS / 32)];
1163 uint32_t werror_backup[1 + (COUNT_WARNINGS / 32)];
1164 uint32_t optimization [1 + (COUNT_OPTIMIZATIONS / 32)];
1165 bool optimizeoff; /* True when -O0 */
1168 extern opts_cmd_t opts;
1170 #define OPTS_GENERIC(f,i) (!! (((f)[(i)/32]) & (1<< (unsigned)((i)%32))))
1171 #define OPTS_FLAG(i) OPTS_GENERIC(opts.flags, (i))
1172 #define OPTS_WARN(i) OPTS_GENERIC(opts.warn, (i))
1173 #define OPTS_WERROR(i) OPTS_GENERIC(opts.werror, (i))
1174 #define OPTS_OPTIMIZATION(i) OPTS_GENERIC(opts.optimization, (i))
1175 #define OPTS_OPTION_BOOL(X) (opts.options[X].B)
1176 #define OPTS_OPTION_U16(X) (opts.options[X].U16)
1177 #define OPTS_OPTION_U32(X) (opts.options[X].U32)
1178 #define OPTS_OPTION_STR(X) (opts.options[X].STR)
1180 #endif /*! GMQCC_HDR */