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`.
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__) */
110 * This is a hack to silent clang regarding empty
111 * body if statements.
113 #define GMQCC_SUPPRESS_EMPTY_BODY do { } while (0)
116 * Inline is not supported in < C90, however some compilers
117 * like gcc and clang might have an inline attribute we can
120 #ifdef __STDC_VERSION__
121 # if __STDC_VERSION__ < 199901L
122 # if defined(__GNUC__) || defined (__CLANG__)
124 # define GMQCC_INLINE
126 # define GMQCC_INLINE __attribute__ ((always_inline))
127 # endif /*! __GNUC__ < 2 */
129 # define GMQCC_INLINE
130 # endif /*! defined(__GNUC__) || defined (__CLANG__) */
132 # define GMQCC_INLINE inline
133 # endif /*! __STDC_VERSION < 199901L */
135 * Visual studio has __forcinline we can use. So lets use that
136 * I suspect it also has just __inline of some sort, but our use
137 * of inline is correct (not guessed), WE WANT IT TO BE INLINE
139 #elif defined(_MSC_VER)
140 # define GMQCC_INLINE __forceinline
142 # define GMQCC_INLINE
143 #endif /*! __STDC_VERSION__ */
146 * noreturn is present in GCC and clang
147 * it's required for _ast_node_destory otherwise -Wmissing-noreturn
148 * in clang complains about there being no return since abort() is
151 #if (defined(__GNUC__) && __GNUC__ >= 2) || defined(__CLANG__)
152 # define GMQCC_NORETURN __attribute__ ((noreturn))
154 # define GMQCC_NORETURN
155 #endif /*! (defined(__GNUC__) && __GNUC__ >= 2) || defined (__CLANG__) */
160 typedef unsigned __int8 uint8_t;
161 typedef unsigned __int16 uint16_t;
162 typedef unsigned __int32 uint32_t;
163 typedef unsigned __int64 uint64_t;
165 typedef __int16 int16_t;
166 typedef __int32 int32_t;
167 typedef __int64 int64_t;
168 #endif /*! _MSC_VER */
171 * Very roboust way at determining endianess at compile time: this handles
172 * almost every possible situation. Otherwise a runtime check has to be
175 #define GMQCC_BYTE_ORDER_LITTLE 1234
176 #define GMQCC_BYTE_ORDER_BIG 4321
178 #if defined (__GNUC__) || defined (__GNU_LIBRARY__)
179 # if defined (__FreeBSD__) || defined (__OpenBSD__)
180 # include <sys/endian.h>
181 # elif defined (BSD) && (BSD >= 199103) || defined (__DJGPP__) || defined (__CYGWIN32__)
182 # include <machine/endian.h>
183 # elif defined (__APPLE__)
184 # if defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN)
186 # elif defined (__LITTLE_ENDIAN__) && !defined (LITTLE_ENDIAN)
187 # define LITTLE_ENDIAN
188 # endif /*! defined (__BIG_ENDIAN__) && !defined(BIG_ENDIAN) */
189 # elif !defined (__MINGW32__)
191 # if !defined (__BEOS__)
192 # include <byteswap.h>
193 # endif /*! !definde (__BEOS__) */
194 # endif /*! defined (__FreeBSD__) || defined (__OpenBSD__) */
195 #endif /*! defined (__GNUC__) || defined (__GNU_LIBRARY__) */
196 #if !defined(PLATFORM_BYTE_ORDER)
197 # if defined (LITTLE_ENDIAN) || defined (BIG_ENDIAN)
198 # if defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN)
199 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
200 # elif !defined (LITTLE_ENDIAN) && defined (BIG_ENDIAN)
201 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
202 # elif defined (BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
203 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
204 # elif defined (BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)
205 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
206 # endif /*! defined (LITTLE_ENDIAN) && !defined(BIG_ENDIAN) */
207 # elif defined (_LITTLE_ENDIAN) || defined (_BIG_ENDIAN)
208 # if defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
209 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
210 # elif !defined (_LITTLE_ENDIAN) && defined (_BIG_ENDIAN)
211 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
212 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _LITTLE_ENDIAN)
213 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
214 # elif defined (_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)
215 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
216 # endif /*! defined (_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) */
217 # elif defined (__LITTLE_ENDIAN__) || defined (__BIG_ENDIAN__)
218 # if defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__)
219 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
220 # elif !defined (__LITTLE_ENDIAN__) && defined (__BIG_ENDIAN__)
221 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
222 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __LITTLE_ENDIAN__)
223 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
224 # elif defined (__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__)
225 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
226 # endif /*! defined (__LITTLE_ENDIAN__) && !defined (__BIG_ENDIAN__) */
227 # endif /*! defined(LITTLE_ENDIAN) || defined (BIG_ENDIAN) */
228 #endif /*! !defined(PLATFORM_BYTE_ORDER) */
229 #if !defined (PLATFORM_BYTE_ORDER)
230 # if defined (__alpha__) || defined (__alpha) || defined (i386) || \
231 defined (__i386__) || defined (_M_I86) || defined (_M_IX86) || \
232 defined (__OS2__) || defined (sun386) || defined (__TURBOC__) || \
233 defined (vax) || defined (vms) || defined (VMS) || \
234 defined (__VMS) || defined (__x86_64__) || defined (_M_IA64) || \
235 defined (_M_X64) || defined (__i386) || defined (__x86_64)
236 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_LITTLE
237 # elif defined (AMIGA) || defined (applec) || defined (__AS400__) || \
238 defined (_CRAY) || defined (__hppa) || defined (__hp9000) || \
239 defined (ibm370) || defined (mc68000) || defined (m68k) || \
240 defined (__MRC__) || defined (__MVS__) || defined (__MWERKS__) || \
241 defined (sparc) || defined (__sparc) || defined (SYMANTEC_C) || \
242 defined (__TANDEM) || defined (THINK_C) || defined (__VMCMS__) || \
243 defined (__PPC__) || defined (__PPC) || defined (PPC)
244 # define PLATFORM_BYTE_ORDER GMQCC_BYTE_ORDER_BIG
246 # define PLATFORM_BYTE_ORDER -1
248 #endif /*! !defined (PLATFORM_BYTE_ORDER) */
251 * On windows systems where we're not compiling with MING32 we need a
252 * little extra help on dependinces for implementing our own dirent.h
255 #if defined(_WIN32) && !defined(__MINGW32__)
256 # define _WIN32_LEAN_AND_MEAN
257 # include <windows.h>
263 unsigned short d_reclen;
264 unsigned short d_namlen;
265 char d_name[FILENAME_MAX];
269 struct _finddata_t dd_dta;
270 struct dirent dd_dir;
276 * Visual studio also lacks S_ISDIR for sys/stat.h, so we emulate this as well
277 * which is not hard at all.
281 # endif /*! S_ISDIR */
282 # define S_ISDIR(X) ((X)&_S_IFDIR)
285 #endif /*! _WIN32 && !defined(__MINGW32__) */
287 /*===================================================================*/
288 /*=========================== stat.c ================================*/
289 /*===================================================================*/
290 void stat_info (void);
291 char *stat_mem_strdup (const char *, size_t, const char *, bool);
292 void *stat_mem_reallocate(void *, size_t, size_t, const char *);
293 void stat_mem_deallocate(void *);
294 void *stat_mem_allocate (size_t, size_t, const char *);
296 #define mem_a(SIZE) stat_mem_allocate ((SIZE), __LINE__, __FILE__)
297 #define mem_d(PTRN) stat_mem_deallocate((void*)(PTRN))
298 #define mem_r(PTRN, SIZE) stat_mem_reallocate((void*)(PTRN), (SIZE), __LINE__, __FILE__)
299 #define mem_af(SIZE, FILE, LINE) stat_mem_allocate ((SIZE), (LINE), (FILE))
301 /* TODO: rename to mem variations */
302 #define util_strdup(SRC) stat_mem_strdup((char*)(SRC), __LINE__, __FILE__, false)
303 #define util_strdupe(SRC) stat_mem_strdup((char*)(SRC), __LINE__, __FILE__, true)
305 /*===================================================================*/
306 /*=========================== util.c ================================*/
307 /*===================================================================*/
308 bool util_filexists (const char *);
309 bool util_strupper (const char *);
310 bool util_strdigit (const char *);
311 void util_debug (const char *, const char *, ...);
312 void util_endianswap (void *, size_t, unsigned int);
314 size_t util_strtocmd (const char *, char *, size_t);
315 size_t util_strtononcmd (const char *, char *, size_t);
317 uint16_t util_crc16(uint16_t crc, const char *data, size_t len);
319 void util_seed(uint32_t);
320 uint32_t util_rand(void);
323 * String functions (formatting, copying, concatenating, errors). These are wrapped
324 * to use the MSVC _safe_ versions when using MSVC, plus some implementations of
325 * these are non-conformant or don't exist such as asprintf and snprintf, which are
326 * not supported in C90, but do exist in C99.
328 int util_vasprintf(char **ret, const char *fmt, va_list);
329 int util_asprintf (char **ret, const char *fmt, ...);
330 int util_snprintf (char *src, size_t bytes, const char *format, ...);
331 char *util_strcat (char *dest, const char *src);
332 char *util_strncpy (char *dest, const char *src, size_t num);
333 const char *util_strerror (int num);
336 * A flexible vector implementation: all vector pointers contain some
337 * data about themselfs exactly - sizeof(vector_t) behind the pointer
338 * this data is represented in the structure below. Doing this allows
339 * us to use the array [] to access individual elements from the vector
340 * opposed to using set/get methods.
346 /* can be extended now! whoot */
349 /* hidden interface */
350 void _util_vec_grow(void **a, size_t i, size_t s);
351 #define GMQCC_VEC_WILLGROW(X,Y) ( \
352 ((!(X) || vec_meta(X)->used + Y >= vec_meta(X)->allocated)) ? \
353 (void)_util_vec_grow(((void**)&(X)), (Y), sizeof(*(X))) : \
357 /* exposed interface */
358 #define vec_meta(A) (((vector_t*)((void*)A)) - 1)
359 #define vec_free(A) ((void)((A) ? (mem_d((void*)vec_meta(A)), (A) = NULL) : 0))
360 #define vec_push(A,V) (GMQCC_VEC_WILLGROW((A),1), (A)[vec_meta(A)->used++] = (V))
361 #define vec_size(A) ((A) ? vec_meta(A)->used : 0)
362 #define vec_add(A,N) (GMQCC_VEC_WILLGROW((A),(N)), vec_meta(A)->used += (N), &(A)[vec_meta(A)->used-(N)])
363 #define vec_last(A) ((A)[vec_meta(A)->used - 1])
364 #define vec_pop(A) ((void)(vec_meta(A)->used -= 1))
365 #define vec_shrinkto(A,N) ((void)(vec_meta(A)->used = (N)))
366 #define vec_shrinkby(A,N) ((void)(vec_meta(A)->used -= (N)))
367 #define vec_append(A,N,S) ((void)(memcpy(vec_add((A), (N)), (S), (N) * sizeof(*(S)))))
368 #define vec_upload(X,Y,S) ((void)(memcpy(vec_add((X), (S) * sizeof(*(Y))), (Y), (S) * sizeof(*(Y)))))
369 #define vec_remove(A,I,N) ((void)(memmove((A)+(I),(A)+((I)+(N)),sizeof(*(A))*(vec_meta(A)->used-(I)-(N))),vec_meta(A)->used-=(N)))
371 typedef struct trie_s {
373 struct trie_s *entries;
376 correct_trie_t* correct_trie_new(void);
378 typedef struct hash_table_t {
380 struct hash_node_t **table;
384 * hashtable implementation:
387 * This was designed for pointers: you manage the life of the object yourself
388 * if you do use this for non-pointers please be warned that the object may not
389 * be valid if the duration of it exceeds (i.e on stack). So you need to allocate
390 * yourself, or put those in global scope to ensure duration is for the whole
393 * util_htnew(size) -- to make a new hashtable
394 * util_htset(table, key, value, sizeof(value)) -- to set something in the table
395 * util_htget(table, key) -- to get something from the table
396 * util_htdel(table) -- to delete the table
400 * ht foo = util_htnew(1024);
402 * char *test = "hello world\n";
403 * util_htset(foo, "foo", (void*)&data);
404 * util_gtset(foo, "bar", (void*)test);
406 * printf("foo: %d, bar %s",
407 * *((int *)util_htget(foo, "foo")),
408 * ((char*)util_htget(foo, "bar"))
413 hash_table_t *util_htnew (size_t size);
414 void util_htrem (hash_table_t *ht, void (*callback)(void *data));
415 void util_htset (hash_table_t *ht, const char *key, void *value);
416 void util_htdel (hash_table_t *ht);
417 size_t util_hthash(hash_table_t *ht, const char *key);
418 void util_htseth(hash_table_t *ht, const char *key, size_t hash, void *value);
419 void util_htrmh (hash_table_t *ht, const char *key, size_t bin, void (*cb)(void*));
420 void util_htrm (hash_table_t *ht, const char *key, void (*cb)(void*));
422 void *util_htget (hash_table_t *ht, const char *key);
423 void *util_htgeth(hash_table_t *ht, const char *key, size_t hash);
425 /*===================================================================*/
426 /*============================ file.c ===============================*/
427 /*===================================================================*/
429 void fs_file_close (FILE *);
430 int fs_file_error (FILE *);
431 int fs_file_getc (FILE *);
432 int fs_file_printf (FILE *, const char *, ...);
433 int fs_file_puts (FILE *, const char *);
434 int fs_file_seek (FILE *, long int, int);
435 long int fs_file_tell (FILE *);
437 size_t fs_file_read (void *, size_t, size_t, FILE *);
438 size_t fs_file_write (const void *, size_t, size_t, FILE *);
440 FILE *fs_file_open (const char *, const char *);
441 int fs_file_getline(char **, size_t *, FILE *);
443 /* directory handling */
444 int fs_dir_make (const char *);
445 DIR *fs_dir_open (const char *);
446 int fs_dir_close (DIR *);
447 struct dirent *fs_dir_read (DIR *);
450 /*===================================================================*/
451 /*=========================== correct.c =============================*/
452 /*===================================================================*/
458 void correct_del (correct_trie_t*, size_t **);
459 void correct_add (correct_trie_t*, size_t ***, const char *);
460 char *correct_str (correction_t *, correct_trie_t*, const char *);
461 void correct_init(correction_t *);
462 void correct_free(correction_t *);
464 /*===================================================================*/
465 /*=========================== code.c ================================*/
466 /*===================================================================*/
469 /* Note: if you change the order, fix type_sizeof in ir.c */
485 TYPE_NIL , /* it's its own type / untyped */
486 TYPE_NOEXPR , /* simply invalid in expressions */
491 /* const/var qualifiers */
495 #define CV_WRONG 0x8000 /* magic number to help parsing */
497 extern const char *type_name [TYPE_COUNT];
498 extern const uint16_t type_store_instr [TYPE_COUNT];
499 extern const uint16_t field_store_instr[TYPE_COUNT];
502 * could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
503 * but this breaks when TYPE_INTEGER is added, since with the enhanced
504 * instruction set, the old ones are left untouched, thus the _I instructions
505 * are at a seperate place.
507 extern const uint16_t type_storep_instr[TYPE_COUNT];
508 extern const uint16_t type_eq_instr [TYPE_COUNT];
509 extern const uint16_t type_ne_instr [TYPE_COUNT];
510 extern const uint16_t type_not_instr [TYPE_COUNT];
513 uint32_t offset; /* Offset in file of where data begins */
514 uint32_t length; /* Length of section (how many of) */
518 uint32_t version; /* Program version (6) */
522 prog_section statements; /* prog_section_statement */
523 prog_section defs; /* prog_section_def */
524 prog_section fields; /* prog_section_field */
525 prog_section functions; /* prog_section_function */
526 prog_section strings;
527 prog_section globals;
528 uint32_t entfield; /* Number of entity fields */
532 * Each paramater incerements by 3 since vector types hold
533 * 3 components (x,y,z).
537 #define OFS_PARM0 (OFS_RETURN+3)
538 #define OFS_PARM1 (OFS_PARM0 +3)
539 #define OFS_PARM2 (OFS_PARM1 +3)
540 #define OFS_PARM3 (OFS_PARM2 +3)
541 #define OFS_PARM4 (OFS_PARM3 +3)
542 #define OFS_PARM5 (OFS_PARM4 +3)
543 #define OFS_PARM6 (OFS_PARM5 +3)
544 #define OFS_PARM7 (OFS_PARM6 +3)
551 int16_t s1; /* signed */
552 uint16_t u1; /* unsigned */
556 int16_t s1; /* signed */
557 uint16_t u1; /* unsigned */
561 int16_t s1; /* signed */
562 uint16_t u1; /* unsigned */
566 * This is the same as the structure in darkplaces
571 * But this one is more sane to work with, and the
572 * type sizes are guranteed.
574 } prog_section_statement;
586 * 7 = ev_pointer -- engine only
587 * 8 = ev_bad -- engine only
594 typedef prog_section_both prog_section_def;
595 typedef prog_section_both prog_section_field;
597 /* this is ORed to the type */
598 #define DEF_SAVEGLOBAL (1<<15)
599 #define DEF_TYPEMASK ((1<<15)-1)
602 int32_t entry; /* in statement table for instructions */
603 uint32_t firstlocal; /* First local in local table */
604 uint32_t locals; /* Total ints of params + locals */
605 uint32_t profile; /* Always zero (engine uses this) */
606 uint32_t name; /* name of function in string table */
607 uint32_t file; /* file of the source file */
608 int32_t nargs; /* number of arguments */
609 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
610 } prog_section_function;
614 * These are the external instructions supported by the interperter
615 * this is what things compile to (from the C code).
621 INSTR_MUL_FV, /* NOTE: the float operands must NOT be at the same locations: A != C */
622 INSTR_MUL_VF, /* and here: B != C */
686 * Virtual instructions used by the IR
693 /* A never returning CALL.
694 * Creating this causes IR blocks to be marked as 'final'.
701 typedef float qcfloat;
702 typedef int32_t qcint;
705 prog_section_statement *statements;
707 prog_section_def *defs;
708 prog_section_field *fields;
709 prog_section_function *functions;
715 qcint string_cached_empty;
719 * code_write -- writes out the compiled file
720 * code_init -- prepares the code file
721 * code_genstrin -- generates string for code
722 * code_alloc_field -- allocated a field
723 * code_push_statement -- keeps statements and linenumbers together
724 * code_pop_statement -- keeps statements and linenumbers together
726 bool code_write (code_t *, const char *filename, const char *lno);
728 code_t *code_init (void);
729 void code_cleanup (code_t *);
730 uint32_t code_genstring (code_t *, const char *string);
731 qcint code_alloc_field (code_t *, size_t qcsize);
732 void code_push_statement(code_t *, prog_section_statement *stmt, int linenum);
733 void code_pop_statement (code_t *);
736 * A shallow copy of a lex_file to remember where which ast node
745 /*===================================================================*/
746 /*============================ con.c ================================*/
747 /*===================================================================*/
766 FILE *con_default_out(void);
767 FILE *con_default_err(void);
769 void con_vprintmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, va_list ap);
770 void con_printmsg (int level, const char *name, size_t line, size_t column, const char *msgtype, const char *msg, ...);
771 void con_cvprintmsg(void *ctx, int lvl, const char *msgtype, const char *msg, va_list ap);
772 void con_cprintmsg (void *ctx, int lvl, const char *msgtype, const char *msg, ...);
774 void con_close (void);
775 void con_init (void);
776 void con_reset (void);
777 void con_color (int);
778 int con_change(const char *, const char *);
779 int con_verr (const char *, va_list);
780 int con_vout (const char *, va_list);
781 int con_err (const char *, ...);
782 int con_out (const char *, ...);
784 /* error/warning interface */
785 extern size_t compile_errors;
786 extern size_t compile_Werrors;
787 extern size_t compile_warnings;
789 void /********/ compile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, ...);
790 void /********/ vcompile_error (lex_ctx ctx, /*LVL_ERROR*/ const char *msg, va_list ap);
791 bool GMQCC_WARN compile_warning (lex_ctx ctx, int warntype, const char *fmt, ...);
792 bool GMQCC_WARN vcompile_warning(lex_ctx ctx, int warntype, const char *fmt, va_list ap);
793 void compile_show_werrors(void);
795 /*===================================================================*/
796 /*========================= assembler.c =============================*/
797 /*===================================================================*/
798 /* TODO: remove this ... */
799 static const struct {
800 const char *m; /* menomic */
801 const size_t o; /* operands */
802 const size_t l; /* menomic len */
828 { "FIELD_F" , 0, 7 },
829 { "FIELD_V" , 0, 7 },
830 { "FIELD_S" , 0, 7 },
831 { "FIELD_ENT" , 0, 9 },
832 { "FIELD_FLD" , 0, 9 },
833 { "FIELD_FNC" , 0, 9 },
834 { "ADDRESS" , 0, 7 },
835 { "STORE_F" , 0, 7 },
836 { "STORE_V" , 0, 7 },
837 { "STORE_S" , 0, 7 },
838 { "STORE_ENT" , 0, 9 },
839 { "STORE_FLD" , 0, 9 },
840 { "STORE_FNC" , 0, 9 },
841 { "STOREP_F" , 0, 8 },
842 { "STOREP_V" , 0, 8 },
843 { "STOREP_S" , 0, 8 },
844 { "STOREP_ENT", 0, 10},
845 { "STOREP_FLD", 0, 10},
846 { "STOREP_FNC", 0, 10},
851 { "NOT_ENT" , 0, 7 },
852 { "NOT_FNC" , 0, 7 },
871 { "END" , 0, 3 } /* virtual assembler instruction */
873 /*===================================================================*/
874 /*============================= ir.c ================================*/
875 /*===================================================================*/
879 store_local, /* local, assignable for now, should get promoted later */
880 store_param, /* parameters, they are locals with a fixed position */
881 store_value, /* unassignable */
882 store_return /* unassignable, at OFS_RETURN */
889 vector vec3_add (vector, vector);
890 vector vec3_sub (vector, vector);
891 qcfloat vec3_mulvv(vector, vector);
892 vector vec3_mulvf(vector, float);
894 /*===================================================================*/
895 /*============================= exec.c ==============================*/
896 /*===================================================================*/
900 * Darkplaces has (or will have) a 64 bit prog loader
901 * where the 32 bit qc program is autoconverted on load.
902 * Since we may want to support that as well, let's redefine
903 * float and int here.
915 typedef char qcfloat_size_is_correct [sizeof(qcfloat) == 4 ?1:-1];
916 typedef char qcint_size_is_correct [sizeof(qcint) == 4 ?1:-1];
920 VMERR_TEMPSTRING_ALLOC,
925 #define VM_JUMPS_DEFAULT 1000000
928 #define VMXF_DEFAULT 0x0000 /* default flags - nothing */
929 #define VMXF_TRACE 0x0001 /* trace: print statements before executing */
930 #define VMXF_PROFILE 0x0002 /* profile: increment the profile counters */
934 typedef int (*prog_builtin)(struct qc_program_s *prog);
939 prog_section_function *function;
942 typedef struct qc_program_s {
945 prog_section_statement *code;
946 prog_section_def *defs;
947 prog_section_def *fields;
948 prog_section_function *functions;
954 const char* *function_stack;
958 size_t tempstring_start;
959 size_t tempstring_at;
965 prog_builtin *builtins;
966 size_t builtins_count;
971 bool allowworldwrites;
974 qc_exec_stack *stack;
979 int argc; /* current arg count for debugging */
982 qc_program* prog_load(const char *filename, bool ignoreversion);
983 void prog_delete(qc_program *prog);
985 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps);
987 const char* prog_getstring (qc_program *prog, qcint str);
988 prog_section_def* prog_entfield (qc_program *prog, qcint off);
989 prog_section_def* prog_getdef (qc_program *prog, qcint off);
990 qcany* prog_getedict (qc_program *prog, qcint e);
991 qcint prog_tempstring(qc_program *prog, const char *_str);
994 /*===================================================================*/
995 /*===================== parser.c commandline ========================*/
996 /*===================================================================*/
998 struct parser_s *parser_create (void);
999 bool parser_compile_file (struct parser_s *parser, const char *);
1000 bool parser_compile_string(struct parser_s *parser, const char *, const char *, size_t);
1001 bool parser_finish (struct parser_s *parser, const char *);
1002 void parser_cleanup (struct parser_s *parser);
1004 /*===================================================================*/
1005 /*====================== ftepp.c commandline ========================*/
1006 /*===================================================================*/
1008 struct ftepp_s *ftepp_create (void);
1009 bool ftepp_preprocess_file (struct ftepp_s *ftepp, const char *filename);
1010 bool ftepp_preprocess_string(struct ftepp_s *ftepp, const char *name, const char *str);
1011 void ftepp_finish (struct ftepp_s *ftepp);
1012 const char *ftepp_get (struct ftepp_s *ftepp);
1013 void ftepp_flush (struct ftepp_s *ftepp);
1014 void ftepp_add_define (struct ftepp_s *ftepp, const char *source, const char *name);
1015 void ftepp_add_macro (struct ftepp_s *ftepp, const char *name, const char *value);
1017 /*===================================================================*/
1018 /*======================= main.c commandline ========================*/
1019 /*===================================================================*/
1022 /* Helpers to allow for a whole lot of flags. Otherwise we'd limit
1023 * to 32 or 64 -f options...
1026 size_t idx; /* index into an array of 32 bit words */
1027 uint8_t bit; /* bit index for the 8 bit group idx points to */
1029 #define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
1030 #define LONGBIT_SET(B, I) ((B).idx = (I)/32, (B).bit = ((I)%32))
1032 typedef uint32_t longbit;
1033 #define LONGBIT(bit) (bit)
1034 #define LONGBIT_SET(B, I) ((B) = (I))
1037 /*===================================================================*/
1038 /*=========================== utf8lib.c =============================*/
1039 /*===================================================================*/
1040 typedef uint32_t uchar_t;
1042 bool u8_analyze (const char *_s, size_t *_start, size_t *_len, uchar_t *_ch, size_t _maxlen);
1043 size_t u8_strlen (const char*);
1044 size_t u8_strnlen (const char*, size_t);
1045 uchar_t u8_getchar (const char*, const char**);
1046 uchar_t u8_getnchar(const char*, const char**, size_t);
1047 int u8_fromchar(uchar_t w, char *to, size_t maxlen);
1049 /*===================================================================*/
1050 /*============================= opts.c ==============================*/
1051 /*===================================================================*/
1057 bool opts_setflag (const char *, bool);
1058 bool opts_setwarn (const char *, bool);
1059 bool opts_setwerror(const char *, bool);
1060 bool opts_setoptim (const char *, bool);
1062 void opts_init (const char *, int, size_t);
1063 void opts_set (uint32_t *, size_t, bool);
1064 void opts_setoptimlevel(unsigned int);
1065 void opts_ini_init (const char *);
1067 /* Saner flag handling */
1068 void opts_backup_non_Wall(void);
1069 void opts_restore_non_Wall(void);
1070 void opts_backup_non_Werror_all(void);
1071 void opts_restore_non_Werror_all(void);
1074 # define GMQCC_TYPE_FLAGS
1075 # define GMQCC_DEFINE_FLAG(X) X,
1076 # include "opts.def"
1079 static const opts_flag_def opts_flag_list[] = {
1080 # define GMQCC_TYPE_FLAGS
1081 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(X) },
1082 # include "opts.def"
1083 { NULL, LONGBIT(0) }
1087 # define GMQCC_TYPE_WARNS
1088 # define GMQCC_DEFINE_FLAG(X) WARN_##X,
1089 # include "opts.def"
1092 static const opts_flag_def opts_warn_list[] = {
1093 # define GMQCC_TYPE_WARNS
1094 # define GMQCC_DEFINE_FLAG(X) { #X, LONGBIT(WARN_##X) },
1095 # include "opts.def"
1096 { NULL, LONGBIT(0) }
1100 # define GMQCC_TYPE_OPTIMIZATIONS
1101 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) OPTIM_##NAME,
1102 # include "opts.def"
1105 static const opts_flag_def opts_opt_list[] = {
1106 # define GMQCC_TYPE_OPTIMIZATIONS
1107 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) { #NAME, LONGBIT(OPTIM_##NAME) },
1108 # include "opts.def"
1109 { NULL, LONGBIT(0) }
1111 static const unsigned int opts_opt_oflag[] = {
1112 # define GMQCC_TYPE_OPTIMIZATIONS
1113 # define GMQCC_DEFINE_FLAG(NAME, MIN_O) MIN_O,
1114 # include "opts.def"
1119 # define GMQCC_TYPE_OPTIONS
1120 # define GMQCC_DEFINE_FLAG(X) OPTION_##X,
1121 # include "opts.def"
1125 extern unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
1127 /* other options: */
1129 COMPILER_QCC, /* circa QuakeC */
1130 COMPILER_FTEQCC, /* fteqcc QuakeC */
1131 COMPILER_QCCX, /* qccx QuakeC */
1132 COMPILER_GMQCC /* this QuakeC */
1144 opt_value_t options [OPTION_COUNT];
1145 uint32_t flags [1 + (COUNT_FLAGS / 32)];
1146 uint32_t warn [1 + (COUNT_WARNINGS / 32)];
1147 uint32_t werror [1 + (COUNT_WARNINGS / 32)];
1148 uint32_t warn_backup [1 + (COUNT_WARNINGS / 32)];
1149 uint32_t werror_backup[1 + (COUNT_WARNINGS / 32)];
1150 uint32_t optimization [1 + (COUNT_OPTIMIZATIONS / 32)];
1151 bool optimizeoff; /* True when -O0 */
1154 extern opts_cmd_t opts;
1156 #define OPTS_GENERIC(f,i) (!! (((f)[(i)/32]) & (1<< (unsigned)((i)%32))))
1157 #define OPTS_FLAG(i) OPTS_GENERIC(opts.flags, (i))
1158 #define OPTS_WARN(i) OPTS_GENERIC(opts.warn, (i))
1159 #define OPTS_WERROR(i) OPTS_GENERIC(opts.werror, (i))
1160 #define OPTS_OPTIMIZATION(i) OPTS_GENERIC(opts.optimization, (i))
1161 #define OPTS_OPTION_BOOL(X) (opts.options[X].B)
1162 #define OPTS_OPTION_U16(X) (opts.options[X].U16)
1163 #define OPTS_OPTION_U32(X) (opts.options[X].U32)
1164 #define OPTS_OPTION_STR(X) (opts.options[X].STR)
1166 #endif /*! GMQCC_HDR */