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__) */
291 /*===================================================================*/
292 /*=========================== stat.c ================================*/
293 /*===================================================================*/
297 } stat_size_entry_t, **stat_size_table_t;
301 char *stat_mem_strdup (const char *, size_t, const char *, bool);
302 void *stat_mem_reallocate(void *, size_t, size_t, const char *);
303 void stat_mem_deallocate(void *);
304 void *stat_mem_allocate (size_t, size_t, const char *);
306 stat_size_table_t stat_size_new();
307 stat_size_entry_t *stat_size_get(stat_size_table_t, size_t);
308 void stat_size_del(stat_size_table_t);
309 void stat_size_put(stat_size_table_t, size_t, size_t);
311 /* getters for hashtable: */
312 stat_size_table_t *stat_size_hashtables_get();
313 uint64_t *stat_type_hashtables_get();
314 uint64_t *stat_used_hashtables_get();
315 stat_size_table_t *stat_hashtables_init();
317 #define mem_a(SIZE) stat_mem_allocate ((SIZE), __LINE__, __FILE__)
318 #define mem_d(PTRN) stat_mem_deallocate((void*)(PTRN))
319 #define mem_r(PTRN, SIZE) stat_mem_reallocate((void*)(PTRN), (SIZE), __LINE__, __FILE__)
320 #define mem_af(SIZE, FILE, LINE) stat_mem_allocate ((SIZE), (LINE), (FILE))
322 /* TODO: rename to mem variations */
323 #define util_strdup(SRC) stat_mem_strdup((char*)(SRC), __LINE__, __FILE__, false)
324 #define util_strdupe(SRC) stat_mem_strdup((char*)(SRC), __LINE__, __FILE__, true)
326 /*===================================================================*/
327 /*=========================== util.c ================================*/
328 /*===================================================================*/
329 bool util_filexists (const char *);
330 bool util_strupper (const char *);
331 bool util_strdigit (const char *);
332 void util_debug (const char *, const char *, ...);
333 void util_endianswap (void *, size_t, unsigned int);
335 size_t util_strtocmd (const char *, char *, size_t);
336 size_t util_strtononcmd (const char *, char *, size_t);
338 uint16_t util_crc16(uint16_t crc, const char *data, size_t len);
340 void util_seed(uint32_t);
341 uint32_t util_rand();
344 * String functions (formatting, copying, concatenating, errors). These are wrapped
345 * to use the MSVC _safe_ versions when using MSVC, plus some implementations of
346 * these are non-conformant or don't exist such as asprintf and snprintf, which are
347 * not supported in C90, but do exist in C99.
349 int util_vasprintf(char **ret, const char *fmt, va_list);
350 int util_asprintf (char **ret, const char *fmt, ...);
351 int util_snprintf (char *src, size_t bytes, const char *format, ...);
352 char *util_strcat (char *dest, const char *src);
353 char *util_strncpy (char *dest, const char *src, size_t num);
354 const char *util_strerror (int num);
357 * A flexible vector implementation: all vector pointers contain some
358 * data about themselfs exactly - sizeof(vector_t) behind the pointer
359 * this data is represented in the structure below. Doing this allows
360 * us to use the array [] to access individual elements from the vector
361 * opposed to using set/get methods.
367 /* can be extended now! whoot */
370 /* hidden interface */
371 void _util_vec_grow(void **a, size_t i, size_t s);
372 #define GMQCC_VEC_WILLGROW(X,Y) ( \
373 ((!(X) || vec_meta(X)->used + Y >= vec_meta(X)->allocated)) ? \
374 (void)_util_vec_grow(((void**)&(X)), (Y), sizeof(*(X))) : \
378 /* exposed interface */
379 #define vec_meta(A) (((vector_t*)((void*)A)) - 1)
380 #define vec_free(A) ((void)((A) ? (mem_d((void*)vec_meta(A)), (A) = NULL) : 0))
381 #define vec_push(A,V) (GMQCC_VEC_WILLGROW((A),1), (A)[vec_meta(A)->used++] = (V))
382 #define vec_size(A) ((A) ? vec_meta(A)->used : 0)
383 #define vec_add(A,N) (GMQCC_VEC_WILLGROW((A),(N)), vec_meta(A)->used += (N), &(A)[vec_meta(A)->used-(N)])
384 #define vec_last(A) ((A)[vec_meta(A)->used - 1])
385 #define vec_pop(A) ((void)(vec_meta(A)->used -= 1))
386 #define vec_shrinkto(A,N) ((void)(vec_meta(A)->used = (N)))
387 #define vec_shrinkby(A,N) ((void)(vec_meta(A)->used -= (N)))
388 #define vec_append(A,N,S) ((void)(memcpy(vec_add((A), (N)), (S), (N) * sizeof(*(S)))))
389 #define vec_upload(X,Y,S) ((void)(memcpy(vec_add((X), (S) * sizeof(*(Y))), (Y), (S) * sizeof(*(Y)))))
390 #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)))
392 typedef struct trie_s {
394 struct trie_s *entries;
397 correct_trie_t* correct_trie_new();
399 typedef struct hash_table_t {
401 struct hash_node_t **table;
405 * hashtable implementation:
408 * This was designed for pointers: you manage the life of the object yourself
409 * if you do use this for non-pointers please be warned that the object may not
410 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
411 * yourself, or put those in global scope to ensure duration is for the whole
414 * util_htnew(size) -- to make a new hashtable
415 * util_htset(table, key, value, sizeof(value)) -- to set something in the table
416 * util_htget(table, key) -- to get something from the table
417 * util_htdel(table) -- to delete the table
421 * ht foo = util_htnew(1024);
423 * char *test = "hello world\n";
424 * util_htset(foo, "foo", (void*)&data);
425 * util_gtset(foo, "bar", (void*)test);
427 * printf("foo: %d, bar %s",
428 * *((int *)util_htget(foo, "foo")),
429 * ((char*)util_htget(foo, "bar"))
434 hash_table_t *util_htnew (size_t size);
435 void util_htrem (hash_table_t *ht, void (*callback)(void *data));
436 void util_htset (hash_table_t *ht, const char *key, void *value);
437 void util_htdel (hash_table_t *ht);
438 size_t util_hthash(hash_table_t *ht, const char *key);
439 void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
440 void util_htrmh (hash_table_t *ht, const char *key, size_t bin, void (*cb)(void*));
441 void util_htrm (hash_table_t *ht, const char *key, void (*cb)(void*));
443 void *util_htget (hash_table_t *ht, const char *key);
444 void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
446 /*===================================================================*/
447 /*============================ file.c ===============================*/
448 /*===================================================================*/
450 void fs_file_close (FILE *);
451 int fs_file_error (FILE *);
452 int fs_file_getc (FILE *);
453 int fs_file_printf (FILE *, const char *, ...);
454 int fs_file_puts (FILE *, const char *);
455 int fs_file_seek (FILE *, long int, int);
456 long int fs_file_tell (FILE *);
458 size_t fs_file_read (void *, size_t, size_t, FILE *);
459 size_t fs_file_write (const void *, size_t, size_t, FILE *);
461 FILE *fs_file_open (const char *, const char *);
462 int fs_file_getline(char **, size_t *, FILE *);
464 /* directory handling */
465 int fs_dir_make (const char *);
466 DIR *fs_dir_open (const char *);
467 int fs_dir_close (DIR *);
468 struct dirent *fs_dir_read (DIR *);
471 /*===================================================================*/
472 /*=========================== correct.c =============================*/
473 /*===================================================================*/
479 void correct_del (correct_trie_t*, size_t **);
480 void correct_add (correct_trie_t*, size_t ***, const char *);
481 char *correct_str (correction_t *, correct_trie_t*, const char *);
482 void correct_init(correction_t *);
483 void correct_free(correction_t *);
485 /*===================================================================*/
486 /*=========================== code.c ================================*/
487 /*===================================================================*/
490 /* Note: if you change the order, fix type_sizeof in ir.c */
506 TYPE_NIL , /* it's its own type / untyped */
507 TYPE_NOEXPR , /* simply invalid in expressions */
512 /* const/var qualifiers */
516 #define CV_WRONG 0x8000 /* magic number to help parsing */
518 extern const char *type_name [TYPE_COUNT];
519 extern const uint16_t type_store_instr [TYPE_COUNT];
520 extern const uint16_t field_store_instr[TYPE_COUNT];
523 * could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
524 * but this breaks when TYPE_INTEGER is added, since with the enhanced
525 * instruction set, the old ones are left untouched, thus the _I instructions
526 * are at a seperate place.
528 extern const uint16_t type_storep_instr[TYPE_COUNT];
529 extern const uint16_t type_eq_instr [TYPE_COUNT];
530 extern const uint16_t type_ne_instr [TYPE_COUNT];
531 extern const uint16_t type_not_instr [TYPE_COUNT];
534 uint32_t offset; /* Offset in file of where data begins */
535 uint32_t length; /* Length of section (how many of) */
539 uint32_t version; /* Program version (6) */
543 prog_section statements; /* prog_section_statement */
544 prog_section defs; /* prog_section_def */
545 prog_section fields; /* prog_section_field */
546 prog_section functions; /* prog_section_function */
547 prog_section strings;
548 prog_section globals;
549 uint32_t entfield; /* Number of entity fields */
553 * Each paramater incerements by 3 since vector types hold
554 * 3 components (x,y,z).
558 #define OFS_PARM0 (OFS_RETURN+3)
559 #define OFS_PARM1 (OFS_PARM0 +3)
560 #define OFS_PARM2 (OFS_PARM1 +3)
561 #define OFS_PARM3 (OFS_PARM2 +3)
562 #define OFS_PARM4 (OFS_PARM3 +3)
563 #define OFS_PARM5 (OFS_PARM4 +3)
564 #define OFS_PARM6 (OFS_PARM5 +3)
565 #define OFS_PARM7 (OFS_PARM6 +3)
572 int16_t s1; /* signed */
573 uint16_t u1; /* unsigned */
577 int16_t s1; /* signed */
578 uint16_t u1; /* unsigned */
582 int16_t s1; /* signed */
583 uint16_t u1; /* unsigned */
587 * This is the same as the structure in darkplaces
592 * But this one is more sane to work with, and the
593 * type sizes are guranteed.
595 } prog_section_statement;
607 * 7 = ev_pointer -- engine only
608 * 8 = ev_bad -- engine only
615 typedef prog_section_both prog_section_def;
616 typedef prog_section_both prog_section_field;
618 /* this is ORed to the type */
619 #define DEF_SAVEGLOBAL (1<<15)
620 #define DEF_TYPEMASK ((1<<15)-1)
623 int32_t entry; /* in statement table for instructions */
624 uint32_t firstlocal; /* First local in local table */
625 uint32_t locals; /* Total ints of params + locals */
626 uint32_t profile; /* Always zero (engine uses this) */
627 uint32_t name; /* name of function in string table */
628 uint32_t file; /* file of the source file */
629 int32_t nargs; /* number of arguments */
630 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
631 } prog_section_function;
635 * These are the external instructions supported by the interperter
636 * this is what things compile to (from the C code).
642 INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
643 INSTR_MUL_VF, /* and here: B != C */
707 * Virtual instructions used by the IR
714 /* A never returning CALL.
715 * Creating this causes IR blocks to be marked as 'final'.
722 typedef float qcfloat;
723 typedef int32_t qcint;
726 prog_section_statement *statements;
728 prog_section_def *defs;
729 prog_section_field *fields;
730 prog_section_function *functions;
736 qcint string_cached_empty;
740 * code_write -- writes out the compiled file
741 * code_init -- prepares the code file
742 * code_genstrin -- generates string for code
743 * code_alloc_field -- allocated a field
744 * code_push_statement -- keeps statements and linenumbers together
745 * code_pop_statement -- keeps statements and linenumbers together
747 bool code_write (code_t *, const char *filename, const char *lno);
749 code_t *code_init (void);
750 void code_cleanup (code_t *);
751 uint32_t code_genstring (code_t *, const char *string);
752 qcint code_alloc_field (code_t *, size_t qcsize);
753 void code_push_statement(code_t *, prog_section_statement *stmt, int linenum);
754 void code_pop_statement (code_t *);
757 * A shallow copy of a lex_file to remember where which ast node
766 /*===================================================================*/
767 /*============================ con.c ================================*/
768 /*===================================================================*/
787 FILE *con_default_out();
788 FILE *con_default_err();
790 void con_vprintmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, va_list ap);
791 void con_printmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, ...);
792 void con_cvprintmsg(void *ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
793 void con_cprintmsg (void *ctx, int lvl, const char *msgtype, const char *msg, ...);
798 void con_color (int);
799 int con_change(const char *, const char *);
800 int con_verr (const char *, va_list);
801 int con_vout (const char *, va_list);
802 int con_err (const char *, ...);
803 int con_out (const char *, ...);
805 /* error/warning interface */
806 extern size_t compile_errors;
807 extern size_t compile_Werrors;
808 extern size_t compile_warnings;
810 void /********/ compile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, ...);
811 void /********/ vcompile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
812 bool GMQCC_WARN compile_warning (lex_ctx ctx, int warntype, const char *fmt, ...);
813 bool GMQCC_WARN vcompile_warning(lex_ctx ctx, int warntype, const char *fmt, va_list ap);
814 void compile_show_werrors();
816 /*===================================================================*/
817 /*========================= assembler.c =============================*/
818 /*===================================================================*/
819 /* TODO: remove this ... */
820 static const struct {
821 const char *m; /* menomic */
822 const size_t o; /* operands */
823 const size_t l; /* menomic len */
849 { "FIELD_F" , 0, 7 },
850 { "FIELD_V" , 0, 7 },
851 { "FIELD_S" , 0, 7 },
852 { "FIELD_ENT" , 0, 9 },
853 { "FIELD_FLD" , 0, 9 },
854 { "FIELD_FNC" , 0, 9 },
855 { "ADDRESS" , 0, 7 },
856 { "STORE_F" , 0, 7 },
857 { "STORE_V" , 0, 7 },
858 { "STORE_S" , 0, 7 },
859 { "STORE_ENT" , 0, 9 },
860 { "STORE_FLD" , 0, 9 },
861 { "STORE_FNC" , 0, 9 },
862 { "STOREP_F" , 0, 8 },
863 { "STOREP_V" , 0, 8 },
864 { "STOREP_S" , 0, 8 },
865 { "STOREP_ENT", 0, 10},
866 { "STOREP_FLD", 0, 10},
867 { "STOREP_FNC", 0, 10},
872 { "NOT_ENT" , 0, 7 },
873 { "NOT_FNC" , 0, 7 },
892 { "END" , 0, 3 } /* virtual assembler instruction */
894 /*===================================================================*/
895 /*============================= ir.c ================================*/
896 /*===================================================================*/
900 store_local, /* local, assignable for now, should get promoted later */
901 store_param, /* parameters, they are locals with a fixed position */
902 store_value, /* unassignable */
903 store_return /* unassignable, at OFS_RETURN */
910 vector vec3_add (vector, vector);
911 vector vec3_sub (vector, vector);
912 qcfloat vec3_mulvv(vector, vector);
913 vector vec3_mulvf(vector, float);
915 /*===================================================================*/
916 /*============================= exec.c ==============================*/
917 /*===================================================================*/
921 * Darkplaces has (or will have) a 64 bit prog loader
922 * where the 32 bit qc program is autoconverted on load.
923 * Since we may want to support that as well, let's redefine
924 * float and int here.
936 typedef char qcfloat_size_is_correct [sizeof(qcfloat) == 4 ?1:-1];
937 typedef char qcint_size_is_correct [sizeof(qcint) == 4 ?1:-1];
941 VMERR_TEMPSTRING_ALLOC,
946 #define VM_JUMPS_DEFAULT 1000000
949 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
950 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
951 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
955 typedef int (*prog_builtin)(struct qc_program_s *prog);
960 prog_section_function *function;
963 typedef struct qc_program_s {
966 prog_section_statement *code;
967 prog_section_def *defs;
968 prog_section_def *fields;
969 prog_section_function *functions;
975 const char* *function_stack;
979 size_t tempstring_start;
980 size_t tempstring_at;
986 prog_builtin *builtins;
987 size_t builtins_count;
992 bool allowworldwrites;
995 qc_exec_stack *stack;
1000 int argc; /* current arg count for debugging */
1003 qc_program* prog_load(const char *filename, bool ignoreversion);
1004 void prog_delete(qc_program *prog);
1006 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps);
1008 const char* prog_getstring (qc_program *prog, qcint str);
1009 prog_section_def* prog_entfield (qc_program *prog, qcint off);
1010 prog_section_def* prog_getdef (qc_program *prog, qcint off);
1011 qcany* prog_getedict (qc_program *prog, qcint e);
1012 qcint prog_tempstring(qc_program *prog, const char *_str);
1015 /*===================================================================*/
1016 /*===================== parser.c commandline ========================*/
1017 /*===================================================================*/
1020 struct parser_s *parser_create ();
1021 bool parser_compile_file (struct parser_s *parser, const char *);
1022 bool parser_compile_string(struct parser_s *parser, const char *, const char *, size_t);
1023 bool parser_finish (struct parser_s *parser, const char *);
1024 void parser_cleanup (struct parser_s *parser);
1026 /*===================================================================*/
1027 /*====================== ftepp.c commandline ========================*/
1028 /*===================================================================*/
1030 struct ftepp_s *ftepp_create ();
1031 bool ftepp_preprocess_file (struct ftepp_s *ftepp, const char *filename);
1032 bool ftepp_preprocess_string(struct ftepp_s *ftepp, const char *name, const char *str);
1033 void ftepp_finish (struct ftepp_s *ftepp);
1034 const char *ftepp_get (struct ftepp_s *ftepp);
1035 void ftepp_flush (struct ftepp_s *ftepp);
1036 void ftepp_add_define (struct ftepp_s *ftepp, const char *source, const char *name);
1037 void ftepp_add_macro (struct ftepp_s *ftepp, const char *name, const char *value);
1039 /*===================================================================*/
1040 /*======================= main.c commandline ========================*/
1041 /*===================================================================*/
1044 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
1045 * to 32 or 64 -f options...
1048 size_t idx; /* index into an array of 32 bit words */
1049 uint8_t bit; /* bit index for the 8 bit group idx points to */
1051 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
1052 #define LONGBIT_SET(B, I) ((B).idx = (I)/32, (B).bit = ((I)%32))
1054 typedef uint32_t longbit;
1055 #define LONGBIT(bit) (bit)
1056 #define LONGBIT_SET(B, I) ((B) = (I))
1059 /*===================================================================*/
1060 /*=========================== utf8lib.c =============================*/
1061 /*===================================================================*/
1062 typedef uint32_t uchar_t;
1064 bool u8_analyze (const char *_s, size_t *_start, size_t *_len, uchar_t *_ch, size_t _maxlen);
1065 size_t u8_strlen (const char*);
1066 size_t u8_strnlen (const char*, size_t);
1067 uchar_t u8_getchar (const char*, const char**);
1068 uchar_t u8_getnchar(const char*, const char**, size_t);
1069 int u8_fromchar(uchar_t w, char *to, size_t maxlen);
1071 /*===================================================================*/
1072 /*============================= opts.c ==============================*/
1073 /*===================================================================*/
1079 bool opts_setflag (const char *, bool);
1080 bool opts_setwarn (const char *, bool);
1081 bool opts_setwerror(const char *, bool);
1082 bool opts_setoptim (const char *, bool);
1084 void opts_init (const char *, int, size_t);
1085 void opts_set (uint32_t *, size_t, bool);
1086 void opts_setoptimlevel(unsigned int);
1087 void opts_ini_init (const char *);
1089 /* Saner flag handling */
1090 void opts_backup_non_Wall();
1091 void opts_restore_non_Wall();
1092 void opts_backup_non_Werror_all();
1093 void opts_restore_non_Werror_all();
1096 # define GMQCC_TYPE_FLAGS
1097 # define GMQCC_DEFINE_FLAG(X) X,
1098 # include "opts.def"
1101 static const opts_flag_def opts_flag_list[] = {
1102 # define GMQCC_TYPE_FLAGS
1103 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(X) },
1104 # include "opts.def"
1105 { NULL, LONGBIT(0) }
1109 # define GMQCC_TYPE_WARNS
1110 # define GMQCC_DEFINE_FLAG(X) WARN_##X,
1111 # include "opts.def"
1114 static const opts_flag_def opts_warn_list[] = {
1115 # define GMQCC_TYPE_WARNS
1116 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(WARN_##X) },
1117 # include "opts.def"
1118 { NULL, LONGBIT(0) }
1122 # define GMQCC_TYPE_OPTIMIZATIONS
1123 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
1124 # include "opts.def"
1127 static const opts_flag_def opts_opt_list[] = {
1128 # define GMQCC_TYPE_OPTIMIZATIONS
1129 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) { #NAME, LONGBIT(OPTIM_##NAME) },
1130 # include "opts.def"
1131 { NULL, LONGBIT(0) }
1133 static const unsigned int opts_opt_oflag[] = {
1134 # define GMQCC_TYPE_OPTIMIZATIONS
1135 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) MIN_O,
1136 # include "opts.def"
1141 # define GMQCC_TYPE_OPTIONS
1142 # define GMQCC_DEFINE_FLAG(X) OPTION_##X,
1143 # include "opts.def"
1147 extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
1149 /* other options: */
1151 COMPILER_QCC, /* circa QuakeC */
1152 COMPILER_FTEQCC, /* fteqcc QuakeC */
1153 COMPILER_QCCX, /* qccx QuakeC */
1154 COMPILER_GMQCC /* this QuakeC */
1166 opt_value_t options [OPTION_COUNT];
1167 uint32_t flags [1 + (COUNT_FLAGS / 32)];
1168 uint32_t warn [1 + (COUNT_WARNINGS / 32)];
1169 uint32_t werror [1 + (COUNT_WARNINGS / 32)];
1170 uint32_t warn_backup [1 + (COUNT_WARNINGS / 32)];
1171 uint32_t werror_backup[1 + (COUNT_WARNINGS / 32)];
1172 uint32_t optimization [1 + (COUNT_OPTIMIZATIONS / 32)];
1173 bool optimizeoff; /* True when -O0 */
1176 extern opts_cmd_t opts;
1178 #define OPTS_GENERIC(f,i) (!! (((f)[(i)/32]) & (1<< (unsigned)((i)%32))))
1179 #define OPTS_FLAG(i) OPTS_GENERIC(opts.flags, (i))
1180 #define OPTS_WARN(i) OPTS_GENERIC(opts.warn, (i))
1181 #define OPTS_WERROR(i) OPTS_GENERIC(opts.werror, (i))
1182 #define OPTS_OPTIMIZATION(i) OPTS_GENERIC(opts.optimization, (i))
1183 #define OPTS_OPTION_BOOL(X) (opts.options[X].B)
1184 #define OPTS_OPTION_U16(X) (opts.options[X].U16)
1185 #define OPTS_OPTION_U32(X) (opts.options[X].U32)
1186 #define OPTS_OPTION_STR(X) (opts.options[X].STR)
1188 #endif /*! GMQCC_HDR */