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 #endif /*! _MSC_VER */
41 #define GMQCC_VERSION_MAJOR 0
42 #define GMQCC_VERSION_MINOR 3
43 #define GMQCC_VERSION_PATCH 0
44 #define GMQCC_VERSION_BUILD(J,N,P) (((J)<<16)|((N)<<8)|(P))
45 #define GMQCC_VERSION \
46 GMQCC_VERSION_BUILD(GMQCC_VERSION_MAJOR, GMQCC_VERSION_MINOR, GMQCC_VERSION_PATCH)
47 /* Undefine the following on a release-tag: */
48 #define GMQCC_VERSION_TYPE_DEVEL
50 /* Full version string in case we need it */
51 #ifdef GMQCC_VERSION_TYPE_DEVEL
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_DEV_VERSION_STRING
63 #define GMQCC_STRINGIFY(x) #x
64 #define GMQCC_IND_STRING(x) GMQCC_STRINGIFY(x)
65 #define GMQCC_FULL_VERSION_STRING \
67 GMQCC_IND_STRING(GMQCC_VERSION_MAJOR) "." \
68 GMQCC_IND_STRING(GMQCC_VERSION_MINOR) "." \
69 GMQCC_IND_STRING(GMQCC_VERSION_PATCH) \
70 " Built " __DATE__ " " __TIME__ \
71 "\n" GMQCC_DEV_VERSION_STRING
74 * We cannot rely on C99 at all, since compilers like MSVC
75 * simply don't support it. We define our own boolean type
76 * as a result (since we cannot include <stdbool.h>). For
77 * compilers that are in 1999 mode (C99 compliant) we can use
78 * the language keyword _Bool which can allow for better code
79 * on GCC and GCC-like compilers, opposed to `int`.
90 # ifdef __STDC_VERSION__
91 # if __STDC_VERSION__ < 199901L && __GNUC__ < 3
95 # endif /*! __STDC_VERSION__ < 199901L && __GNUC__ < 3 */
98 # endif /*! __STDC_VERSION__ */
99 #endif /*! __cplusplus */
102 * Of some functions which are generated we want to make sure
103 * that the result isn't ignored. To find such function calls,
106 #if defined(__GNUC__) || defined(__CLANG__)
107 # define GMQCC_WARN __attribute__((warn_unused_result))
108 # define GMQCC_USED __attribute__((used))
112 #endif /*! defined(__GNUC__) || defined (__CLANG__) */
114 * This is a hack to silent clang regarding empty
115 * body if statements.
117 #define GMQCC_SUPPRESS_EMPTY_BODY do { } while (0)
120 * Inline is not supported in < C90, however some compilers
121 * like gcc and clang might have an inline attribute we can
124 #ifdef __STDC_VERSION__
125 # if __STDC_VERSION__ < 199901L
126 # if defined(__GNUC__) || defined (__CLANG__)
128 # define GMQCC_INLINE
130 # define GMQCC_INLINE __attribute__ ((always_inline))
131 # endif /*! __GNUC__ < 2 */
133 # define GMQCC_INLINE
134 # endif /*! defined(__GNUC__) || defined (__CLANG__) */
136 # define GMQCC_INLINE inline
137 # endif /*! __STDC_VERSION < 199901L */
139 * Visual studio has __forcinline we can use. So lets use that
140 * I suspect it also has just __inline of some sort, but our use
141 * of inline is correct (not guessed), WE WANT IT TO BE INLINE
143 #elif defined(_MSC_VER)
144 # define GMQCC_INLINE __forceinline
146 # define GMQCC_INLINE
147 #endif /*! __STDC_VERSION__ */
150 * noreturn is present in GCC and clang
151 * it's required for _ast_node_destory otherwise -Wmissing-noreturn
152 * in clang complains about there being no return since abort() is
155 #if (defined(__GNUC__) && __GNUC__ >= 2) || defined(__CLANG__)
156 # define GMQCC_NORETURN __attribute__ ((noreturn))
158 # define GMQCC_NORETURN
159 #endif /*! (defined(__GNUC__) && __GNUC__ >= 2) || defined (__CLANG__) */
164 typedef unsigned __int8 uint8_t;
165 typedef unsigned __int16 uint16_t;
166 typedef unsigned __int32 uint32_t;
167 typedef unsigned __int64 uint64_t;
169 typedef __int16 int16_t;
170 typedef __int32 int32_t;
171 typedef __int64 int64_t;
172 #endif /*! _MSC_VER */
175 * Very roboust way at determining endianess at compile time: this handles
176 * almost every possible situation. Otherwise a runtime check has to be
179 #define GMQCC_BYTE_ORDER_LITTLE 1234
180 #define GMQCC_BYTE_ORDER_BIG 4321
182 #if defined (__GNUC__) || defined (__GNU_LIBRARY__)
183 # if defined (__FreeBSD__) || defined (__OpenBSD__)
184 # include <sys/endian.h>
185 # elif defined (BSD) && (BSD >= 199103) || defined (__DJGPP__) || defined (__CYGWIN32__)
186 # include <machine/endian.h>
187 # elif defined (__APPLE__)
188 # if defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN)
190 # elif defined (__LITTLE_ENDIAN__) && !defined (LITTLE_ENDIAN)
191 # define LITTLE_ENDIAN
192 # endif /*! defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN) */
193 # elif !defined (__MINGW32__)
195 # if !defined (__BEOS__)
196 # include <byteswap.h>
197 # endif /*! !definde (__BEOS__) */
198 # endif /*! defined (__FreeBSD__) || defined (__OpenBSD__) */
199 #endif /*! defined (__GNUC__) || defined (__GNU_LIBRARY__) */
200 #if !defined(PLATFORM_BYTE_ORDER)
201 # if defined (LITTLE_ENDIAN) || defined (BIG_ENDIAN)
202 # if defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN)
203 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
204 # elif !defined (LITTLE_ENDIAN) && defined (BIG_ENDIAN)
205 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
206 # elif defined (BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
207 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
208 # elif defined (BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)
209 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
210 # endif /*! defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN) */
211 # elif defined (_LITTLE_ENDIAN) || defined (_BIG_ENDIAN)
212 # if defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
213 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
214 # elif !defined (_LITTLE_ENDIAN) && defined (_BIG_ENDIAN)
215 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
216 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _LITTLE_ENDIAN)
217 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
218 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)
219 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
220 # endif /*! defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) */
221 # elif defined (__LITTLE_ENDIAN__) || defined (__BIG_ENDIAN__)
222 # if defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__)
223 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
224 # elif !defined (__LITTLE_ENDIAN__) && defined (__BIG_ENDIAN__)
225 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
226 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __LITTLE_ENDIAN__)
227 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
228 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__)
229 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
230 # endif /*! defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__) */
231 # endif /*! defined(LITTLE_ENDIAN) || defined (BIG_ENDIAN) */
232 #endif /*! !defined(PLATFORM_BYTE_ORDER) */
233 #if !defined (PLATFORM_BYTE_ORDER)
234 # if defined (__alpha__) || defined (__alpha) || defined (i386) || \
235 defined (__i386__) || defined (_M_I86) || defined (_M_IX86) || \
236 defined (__OS2__) || defined (sun386) || defined (__TURBOC__) || \
237 defined (vax) || defined (vms) || defined (VMS) || \
238 defined (__VMS) || defined (__x86_64__) || defined (_M_IA64) || \
239 defined (_M_X64) || defined (__i386) || defined (__x86_64)
240 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
241 # elif defined (AMIGA) || defined (applec) || defined (__AS400__) || \
242 defined (_CRAY) || defined (__hppa) || defined (__hp9000) || \
243 defined (ibm370) || defined (mc68000) || defined (m68k) || \
244 defined (__MRC__) || defined (__MVS__) || defined (__MWERKS__) || \
245 defined (sparc) || defined (__sparc) || defined (SYMANTEC_C) || \
246 defined (__TANDEM) || defined (THINK_C) || defined (__VMCMS__) || \
247 defined (__PPC__) || defined (__PPC) || defined (PPC)
248 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
250 # define PLATFORM_BYTE_ORDER -1
252 #endif /*! !defined (PLATFORM_BYTE_ORDER) */
255 * On windows systems where we're not compiling with MING32 we need a
256 * little extra help on dependinces for implementing our own dirent.h
259 #if defined(_WIN32) && !defined(__MINGW32__)
260 # define _WIN32_LEAN_AND_MEAN
261 # include <windows.h>
267 unsigned short d_reclen;
268 unsigned short d_namlen;
269 char d_name[FILENAME_MAX];
273 struct _finddata_t dd_dta;
274 struct dirent dd_dir;
280 * Visual studio also lacks S_ISDIR for sys/stat.h, so we emulate this as well
281 * which is not hard at all.
285 # endif /*! S_ISDIR */
286 # define S_ISDIR(X) ((X)&_S_IFDIR)
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();
317 * String functions (formatting, copying, concatenating, errors). These are wrapped
318 * to use the MSVC _safe_ versions when using MSVC, plus some implementations of
319 * these are non-conformant or don't exist such as asprintf and snprintf, which are
320 * not supported in C90, but do exist in C99.
322 int util_vasprintf(char **ret, const char *fmt, va_list);
323 int util_asprintf (char **ret, const char *fmt, ...);
324 int util_snprintf (char *src, size_t bytes, const char *format, ...);
325 char *util_strcat (char *dest, const char *src);
326 char *util_strncpy (char *dest, const char *src, size_t num);
327 const char *util_strerror (int num);
331 # define mem_a(x) malloc (x)
332 # define mem_d(x) free ((void*)x)
333 # define mem_r(x, n) realloc((void*)x, n)
334 # define mem_af(x,f,l) malloc (x)
336 # define mem_a(x) util_memory_a((x), __LINE__, __FILE__)
337 # define mem_d(x) util_memory_d((void*)(x))
338 # define mem_r(x, n) util_memory_r((void*)(x), (n), __LINE__, __FILE__)
339 # define mem_af(x,f,l) util_memory_a((x), __LINE__, __FILE__)
340 #endif /*! NOTRACK */
342 #define util_strdup(X) _util_Estrdup((X), __FILE__, __LINE__)
343 #define util_strdupe(X) _util_Estrdup_empty((X), __FILE__, __LINE__)
346 * A flexible vector implementation: all vector pointers contain some
347 * data about themselfs exactly - sizeof(vector_t) behind the pointer
348 * this data is represented in the structure below. Doing this allows
349 * us to use the array [] to access individual elements from the vector
350 * opposed to using set/get methods.
356 /* can be extended now! whoot */
359 /* hidden interface */
360 void _util_vec_grow(void **a, size_t i, size_t s);
361 #define GMQCC_VEC_WILLGROW(X,Y) ( \
362 ((!(X) || vec_meta(X)->used + Y >= vec_meta(X)->allocated)) ? \
363 (void)_util_vec_grow(((void**)&(X)), (Y), sizeof(*(X))) : \
367 /* exposed interface */
368 #define vec_meta(A) (((vector_t*)((void*)A)) - 1)
369 #define vec_free(A) ((void)((A) ? (mem_d((void*)vec_meta(A)), (A) = NULL) : 0))
370 #define vec_push(A,V) (GMQCC_VEC_WILLGROW((A),1), (A)[vec_meta(A)->used++] = (V))
371 #define vec_size(A) ((A) ? vec_meta(A)->used : 0)
372 #define vec_add(A,N) (GMQCC_VEC_WILLGROW((A),(N)), vec_meta(A)->used += (N), &(A)[vec_meta(A)->used-(N)])
373 #define vec_last(A) ((A)[vec_meta(A)->used - 1])
374 #define vec_pop(A) ((void)(vec_meta(A)->used -= 1))
375 #define vec_shrinkto(A,N) ((void)(vec_meta(A)->used = (N)))
376 #define vec_shrinkby(A,N) ((void)(vec_meta(A)->used -= (N)))
377 #define vec_append(A,N,S) ((void)(memcpy(vec_add((A), (N)), (S), (N) * sizeof(*(S)))))
378 #define vec_upload(X,Y,S) ((void)(memcpy(vec_add((X), (S) * sizeof(*(Y))), (Y), (S) * sizeof(*(Y)))))
379 #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)))
381 typedef struct trie_s {
383 struct trie_s *entries;
386 correct_trie_t* correct_trie_new();
388 typedef struct hash_table_t {
390 struct hash_node_t **table;
394 * hashtable implementation:
397 * This was designed for pointers: you manage the life of the object yourself
398 * if you do use this for non-pointers please be warned that the object may not
399 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
400 * yourself, or put those in global scope to ensure duration is for the whole
403 * util_htnew(size) -- to make a new hashtable
404 * util_htset(table, key, value, sizeof(value)) -- to set something in the table
405 * util_htget(table, key) -- to get something from the table
406 * util_htdel(table) -- to delete the table
410 * ht foo = util_htnew(1024);
412 * char *test = "hello world\n";
413 * util_htset(foo, "foo", (void*)&data);
414 * util_gtset(foo, "bar", (void*)test);
416 * printf("foo: %d, bar %s",
417 * *((int *)util_htget(foo, "foo")),
418 * ((char*)util_htget(foo, "bar"))
423 hash_table_t *util_htnew (size_t size);
424 void util_htrem (hash_table_t *ht, void (*callback)(void *data));
425 void util_htset (hash_table_t *ht, const char *key, void *value);
426 void util_htdel (hash_table_t *ht);
427 size_t util_hthash(hash_table_t *ht, const char *key);
428 void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
429 void util_htrmh (hash_table_t *ht, const char *key, size_t bin, void (*cb)(void*));
430 void util_htrm (hash_table_t *ht, const char *key, void (*cb)(void*));
432 void *util_htget (hash_table_t *ht, const char *key);
433 void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
435 /*===================================================================*/
436 /*============================ file.c ===============================*/
437 /*===================================================================*/
439 void fs_file_close (FILE *);
440 int fs_file_error (FILE *);
441 int fs_file_getc (FILE *);
442 int fs_file_printf (FILE *, const char *, ...);
443 int fs_file_puts (FILE *, const char *);
444 int fs_file_seek (FILE *, long int, int);
445 long int fs_file_tell (FILE *);
447 size_t fs_file_read (void *, size_t, size_t, FILE *);
448 size_t fs_file_write (const void *, size_t, size_t, FILE *);
450 FILE *fs_file_open (const char *, const char *);
451 int fs_file_getline(char **, size_t *, FILE *);
453 /* directory handling */
454 int fs_dir_make (const char *);
455 DIR *fs_dir_open (const char *);
456 int fs_dir_close (DIR *);
457 struct dirent *fs_dir_read (DIR *);
460 /*===================================================================*/
461 /*=========================== correct.c =============================*/
462 /*===================================================================*/
468 void correct_del (correct_trie_t*, size_t **);
469 void correct_add (correct_trie_t*, size_t ***, const char *);
470 char *correct_str (correction_t *, correct_trie_t*, const char *);
471 void correct_init(correction_t *);
472 void correct_free(correction_t *);
474 /*===================================================================*/
475 /*=========================== code.c ================================*/
476 /*===================================================================*/
479 /* Note: if you change the order, fix type_sizeof in ir.c */
495 TYPE_NIL , /* it's its own type / untyped */
496 TYPE_NOEXPR , /* simply invalid in expressions */
501 /* const/var qualifiers */
505 #define CV_WRONG 0x8000 /* magic number to help parsing */
507 extern const char *type_name [TYPE_COUNT];
508 extern const uint16_t type_store_instr [TYPE_COUNT];
509 extern const uint16_t field_store_instr[TYPE_COUNT];
512 * could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
513 * but this breaks when TYPE_INTEGER is added, since with the enhanced
514 * instruction set, the old ones are left untouched, thus the _I instructions
515 * are at a seperate place.
517 extern const uint16_t type_storep_instr[TYPE_COUNT];
518 extern const uint16_t type_eq_instr [TYPE_COUNT];
519 extern const uint16_t type_ne_instr [TYPE_COUNT];
520 extern const uint16_t type_not_instr [TYPE_COUNT];
523 uint32_t offset; /* Offset in file of where data begins */
524 uint32_t length; /* Length of section (how many of) */
528 uint32_t version; /* Program version (6) */
532 prog_section statements; /* prog_section_statement */
533 prog_section defs; /* prog_section_def */
534 prog_section fields; /* prog_section_field */
535 prog_section functions; /* prog_section_function */
536 prog_section strings;
537 prog_section globals;
538 uint32_t entfield; /* Number of entity fields */
542 * Each paramater incerements by 3 since vector types hold
543 * 3 components (x,y,z).
547 #define OFS_PARM0 (OFS_RETURN+3)
548 #define OFS_PARM1 (OFS_PARM0 +3)
549 #define OFS_PARM2 (OFS_PARM1 +3)
550 #define OFS_PARM3 (OFS_PARM2 +3)
551 #define OFS_PARM4 (OFS_PARM3 +3)
552 #define OFS_PARM5 (OFS_PARM4 +3)
553 #define OFS_PARM6 (OFS_PARM5 +3)
554 #define OFS_PARM7 (OFS_PARM6 +3)
561 int16_t s1; /* signed */
562 uint16_t u1; /* unsigned */
566 int16_t s1; /* signed */
567 uint16_t u1; /* unsigned */
571 int16_t s1; /* signed */
572 uint16_t u1; /* unsigned */
576 * This is the same as the structure in darkplaces
581 * But this one is more sane to work with, and the
582 * type sizes are guranteed.
584 } prog_section_statement;
596 * 7 = ev_pointer -- engine only
597 * 8 = ev_bad -- engine only
604 typedef prog_section_both prog_section_def;
605 typedef prog_section_both prog_section_field;
607 /* this is ORed to the type */
608 #define DEF_SAVEGLOBAL (1<<15)
609 #define DEF_TYPEMASK ((1<<15)-1)
612 int32_t entry; /* in statement table for instructions */
613 uint32_t firstlocal; /* First local in local table */
614 uint32_t locals; /* Total ints of params + locals */
615 uint32_t profile; /* Always zero (engine uses this) */
616 uint32_t name; /* name of function in string table */
617 uint32_t file; /* file of the source file */
618 int32_t nargs; /* number of arguments */
619 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
620 } prog_section_function;
624 * These are the external instructions supported by the interperter
625 * this is what things compile to (from the C code).
631 INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
632 INSTR_MUL_VF, /* and here: B != C */
696 * Virtual instructions used by the IR
703 /* A never returning CALL.
704 * Creating this causes IR blocks to be marked as 'final'.
711 typedef float qcfloat;
712 typedef int32_t qcint;
715 prog_section_statement *statements;
717 prog_section_def *defs;
718 prog_section_field *fields;
719 prog_section_function *functions;
725 qcint string_cached_empty;
729 * code_write -- writes out the compiled file
730 * code_init -- prepares the code file
731 * code_genstrin -- generates string for code
732 * code_alloc_field -- allocated a field
733 * code_push_statement -- keeps statements and linenumbers together
734 * code_pop_statement -- keeps statements and linenumbers together
736 bool code_write (code_t *, const char *filename, const char *lno);
738 code_t *code_init (void);
739 void code_cleanup (code_t *);
740 uint32_t code_genstring (code_t *, const char *string);
741 qcint code_alloc_field (code_t *, size_t qcsize);
742 void code_push_statement(code_t *, prog_section_statement *stmt, int linenum);
743 void code_pop_statement (code_t *);
746 * A shallow copy of a lex_file to remember where which ast node
754 /*===================================================================*/
755 /*============================ con.c ================================*/
756 /*===================================================================*/
775 FILE *con_default_out();
776 FILE *con_default_err();
778 void con_vprintmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, va_list ap);
779 void con_printmsg (int level, const char *name, size_t line, const char *msgtype, const char *msg, ...);
780 void con_cvprintmsg(void *ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
781 void con_cprintmsg (void *ctx, int lvl, const char *msgtype, const char *msg, ...);
786 void con_color (int);
787 int con_change(const char *, const char *);
788 int con_verr (const char *, va_list);
789 int con_vout (const char *, va_list);
790 int con_err (const char *, ...);
791 int con_out (const char *, ...);
793 /* error/warning interface */
794 extern size_t compile_errors;
795 extern size_t compile_Werrors;
796 extern size_t compile_warnings;
798 void /********/ compile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, ...);
799 void /********/ vcompile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
800 bool GMQCC_WARN compile_warning (lex_ctx ctx, int warntype, const char *fmt, ...);
801 bool GMQCC_WARN vcompile_warning(lex_ctx ctx, int warntype, const char *fmt, va_list ap);
802 void compile_show_werrors();
804 /*===================================================================*/
805 /*========================= assembler.c =============================*/
806 /*===================================================================*/
807 /* TODO: remove this ... */
808 static const struct {
809 const char *m; /* menomic */
810 const size_t o; /* operands */
811 const size_t l; /* menomic len */
837 { "FIELD_F" , 0, 7 },
838 { "FIELD_V" , 0, 7 },
839 { "FIELD_S" , 0, 7 },
840 { "FIELD_ENT" , 0, 9 },
841 { "FIELD_FLD" , 0, 9 },
842 { "FIELD_FNC" , 0, 9 },
843 { "ADDRESS" , 0, 7 },
844 { "STORE_F" , 0, 7 },
845 { "STORE_V" , 0, 7 },
846 { "STORE_S" , 0, 7 },
847 { "STORE_ENT" , 0, 9 },
848 { "STORE_FLD" , 0, 9 },
849 { "STORE_FNC" , 0, 9 },
850 { "STOREP_F" , 0, 8 },
851 { "STOREP_V" , 0, 8 },
852 { "STOREP_S" , 0, 8 },
853 { "STOREP_ENT", 0, 10},
854 { "STOREP_FLD", 0, 10},
855 { "STOREP_FNC", 0, 10},
860 { "NOT_ENT" , 0, 7 },
861 { "NOT_FNC" , 0, 7 },
880 { "END" , 0, 3 } /* virtual assembler instruction */
882 /*===================================================================*/
883 /*============================= ir.c ================================*/
884 /*===================================================================*/
888 store_local, /* local, assignable for now, should get promoted later */
889 store_param, /* parameters, they are locals with a fixed position */
890 store_value, /* unassignable */
891 store_return /* unassignable, at OFS_RETURN */
898 vector vec3_add (vector, vector);
899 vector vec3_sub (vector, vector);
900 qcfloat vec3_mulvv(vector, vector);
901 vector vec3_mulvf(vector, float);
903 /*===================================================================*/
904 /*============================= exec.c ==============================*/
905 /*===================================================================*/
909 * Darkplaces has (or will have) a 64 bit prog loader
910 * where the 32 bit qc program is autoconverted on load.
911 * Since we may want to support that as well, let's redefine
912 * float and int here.
924 typedef char qcfloat_size_is_correct [sizeof(qcfloat) == 4 ?1:-1];
925 typedef char qcint_size_is_correct [sizeof(qcint) == 4 ?1:-1];
929 VMERR_TEMPSTRING_ALLOC,
934 #define VM_JUMPS_DEFAULT 1000000
937 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
938 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
939 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
943 typedef int (*prog_builtin)(struct qc_program_s *prog);
948 prog_section_function *function;
951 typedef struct qc_program_s {
954 prog_section_statement *code;
955 prog_section_def *defs;
956 prog_section_def *fields;
957 prog_section_function *functions;
963 const char* *function_stack;
967 size_t tempstring_start;
968 size_t tempstring_at;
974 prog_builtin *builtins;
975 size_t builtins_count;
980 bool allowworldwrites;
983 qc_exec_stack *stack;
988 int argc; /* current arg count for debugging */
991 qc_program* prog_load(const char *filename, bool ignoreversion);
992 void prog_delete(qc_program *prog);
994 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps);
996 const char* prog_getstring (qc_program *prog, qcint str);
997 prog_section_def* prog_entfield (qc_program *prog, qcint off);
998 prog_section_def* prog_getdef (qc_program *prog, qcint off);
999 qcany* prog_getedict (qc_program *prog, qcint e);
1000 qcint prog_tempstring(qc_program *prog, const char *_str);
1003 /*===================================================================*/
1004 /*===================== parser.c commandline ========================*/
1005 /*===================================================================*/
1008 struct parser_s *parser_create ();
1009 bool parser_compile_file (struct parser_s *parser, const char *);
1010 bool parser_compile_string(struct parser_s *parser, const char *, const char *, size_t);
1011 bool parser_finish (struct parser_s *parser, const char *);
1012 void parser_cleanup (struct parser_s *parser);
1014 /*===================================================================*/
1015 /*====================== ftepp.c commandline ========================*/
1016 /*===================================================================*/
1018 struct ftepp_s *ftepp_create ();
1019 bool ftepp_preprocess_file (struct ftepp_s *ftepp, const char *filename);
1020 bool ftepp_preprocess_string(struct ftepp_s *ftepp, const char *name, const char *str);
1021 void ftepp_finish (struct ftepp_s *ftepp);
1022 const char *ftepp_get (struct ftepp_s *ftepp);
1023 void ftepp_flush (struct ftepp_s *ftepp);
1024 void ftepp_add_define (struct ftepp_s *ftepp, const char *source, const char *name);
1025 void ftepp_add_macro (struct ftepp_s *ftepp, const char *name, const char *value);
1027 /*===================================================================*/
1028 /*======================= main.c commandline ========================*/
1029 /*===================================================================*/
1032 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
1033 * to 32 or 64 -f options...
1036 size_t idx; /* index into an array of 32 bit words */
1037 uint8_t bit; /* bit index for the 8 bit group idx points to */
1039 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
1040 #define LONGBIT_SET(B, I) ((B).idx = (I)/32, (B).bit = ((I)%32))
1042 typedef uint32_t longbit;
1043 #define LONGBIT(bit) (bit)
1044 #define LONGBIT_SET(B, I) ((B) = (I))
1047 /*===================================================================*/
1048 /*=========================== utf8lib.c =============================*/
1049 /*===================================================================*/
1050 typedef uint32_t uchar_t;
1052 bool u8_analyze (const char *_s, size_t *_start, size_t *_len, uchar_t *_ch, size_t _maxlen);
1053 size_t u8_strlen (const char*);
1054 size_t u8_strnlen (const char*, size_t);
1055 uchar_t u8_getchar (const char*, const char**);
1056 uchar_t u8_getnchar(const char*, const char**, size_t);
1057 int u8_fromchar(uchar_t w, char *to, size_t maxlen);
1059 /*===================================================================*/
1060 /*============================= opts.c ==============================*/
1061 /*===================================================================*/
1067 bool opts_setflag (const char *, bool);
1068 bool opts_setwarn (const char *, bool);
1069 bool opts_setwerror(const char *, bool);
1070 bool opts_setoptim (const char *, bool);
1072 void opts_init (const char *, int, size_t);
1073 void opts_set (uint32_t *, size_t, bool);
1074 void opts_setoptimlevel(unsigned int);
1075 void opts_ini_init (const char *);
1077 /* Saner flag handling */
1078 void opts_backup_non_Wall();
1079 void opts_restore_non_Wall();
1080 void opts_backup_non_Werror_all();
1081 void opts_restore_non_Werror_all();
1084 # define GMQCC_TYPE_FLAGS
1085 # define GMQCC_DEFINE_FLAG(X) X,
1086 # include "opts.def"
1089 static const opts_flag_def opts_flag_list[] = {
1090 # define GMQCC_TYPE_FLAGS
1091 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(X) },
1092 # include "opts.def"
1093 { NULL, LONGBIT(0) }
1097 # define GMQCC_TYPE_WARNS
1098 # define GMQCC_DEFINE_FLAG(X) WARN_##X,
1099 # include "opts.def"
1102 static const opts_flag_def opts_warn_list[] = {
1103 # define GMQCC_TYPE_WARNS
1104 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(WARN_##X) },
1105 # include "opts.def"
1106 { NULL, LONGBIT(0) }
1110 # define GMQCC_TYPE_OPTIMIZATIONS
1111 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
1112 # include "opts.def"
1115 static const opts_flag_def opts_opt_list[] = {
1116 # define GMQCC_TYPE_OPTIMIZATIONS
1117 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) { #NAME, LONGBIT(OPTIM_##NAME) },
1118 # include "opts.def"
1119 { NULL, LONGBIT(0) }
1121 static const unsigned int opts_opt_oflag[] = {
1122 # define GMQCC_TYPE_OPTIMIZATIONS
1123 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) MIN_O,
1124 # include "opts.def"
1129 # define GMQCC_TYPE_OPTIONS
1130 # define GMQCC_DEFINE_FLAG(X) OPTION_##X,
1131 # include "opts.def"
1135 extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
1137 /* other options: */
1139 COMPILER_QCC, /* circa QuakeC */
1140 COMPILER_FTEQCC, /* fteqcc QuakeC */
1141 COMPILER_QCCX, /* qccx QuakeC */
1142 COMPILER_GMQCC /* this QuakeC */
1154 opt_value_t options [OPTION_COUNT];
1155 uint32_t flags [1 + (COUNT_FLAGS / 32)];
1156 uint32_t warn [1 + (COUNT_WARNINGS / 32)];
1157 uint32_t werror [1 + (COUNT_WARNINGS / 32)];
1158 uint32_t warn_backup [1 + (COUNT_WARNINGS / 32)];
1159 uint32_t werror_backup[1 + (COUNT_WARNINGS / 32)];
1160 uint32_t optimization [1 + (COUNT_OPTIMIZATIONS / 32)];
1161 bool optimizeoff; /* True when -O0 */
1164 extern opts_cmd_t opts;
1166 #define OPTS_GENERIC(f,i) (!! (((f)[(i)/32]) & (1<< (unsigned)((i)%32))))
1167 #define OPTS_FLAG(i) OPTS_GENERIC(opts.flags, (i))
1168 #define OPTS_WARN(i) OPTS_GENERIC(opts.warn, (i))
1169 #define OPTS_WERROR(i) OPTS_GENERIC(opts.werror, (i))
1170 #define OPTS_OPTIMIZATION(i) OPTS_GENERIC(opts.optimization, (i))
1171 #define OPTS_OPTION_BOOL(X) (opts.options[X].B)
1172 #define OPTS_OPTION_U16(X) (opts.options[X].U16)
1173 #define OPTS_OPTION_U32(X) (opts.options[X].U32)
1174 #define OPTS_OPTION_STR(X) (opts.options[X].STR)
1176 #endif /*! GMQCC_HDR */