5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
6 * this software and associated documentation files (the "Software"), to deal in
7 * the Software without restriction, including without limitation the rights to
8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is furnished to do
10 * so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * stdint.h and inttypes.h -less subset
32 * for systems that don't have it, which we must
33 * assume is all systems. (int8_t not required)
36 typedef unsigned char uint8_t; /* same as below */
37 #elif SCHAR_MIN == -128
38 typedef unsigned char uint8_t; /* same as above */
40 #if SHRT_MAX == 0x7FFF
41 typedef short int16_t;
42 typedef unsigned short uint16_t;
43 #elif INT_MAX == 0x7FFF
45 typedef unsigned int uint16_t;
47 #if INT_MAX == 0x7FFFFFFF
49 typedef unsigned int uint32_t;
50 #elif LONG_MAX == 0x7FFFFFFF
52 typedef unsigned long uint32_t;
54 #ifdef _LP64 /* long pointer == 64 */
55 typedef unsigned long uintptr_t;
56 typedef long intptr_t;
58 typedef unsigned int uintptr_t;
61 /* Ensure type sizes are correct: */
62 typedef char uint8_size_is_correct [sizeof(uint8_t) == 1?1:-1];
63 typedef char uint16_size_if_correct [sizeof(uint16_t) == 2?1:-1];
64 typedef char uint32_size_is_correct [sizeof(uint32_t) == 4?1:-1];
65 typedef char int8_size_is_correct [sizeof(int8_t) == 1?1:-1];
66 typedef char int16_size_if_correct [sizeof(int16_t) == 2?1:-1];
67 typedef char int32_size_is_correct [sizeof(int32_t) == 4?1:-1];
68 /* intptr_t / uintptr_t correct size check */
69 typedef char uintptr_size_is_correct[sizeof(intptr_t) == sizeof(int*)?1:-1];
70 typedef char intptr_size_is_correct [sizeof(uintptr_t)== sizeof(int*)?1:-1];
72 //===================================================================
73 //============================ lex.c ================================
74 //===================================================================
76 FILE *file; /* file handler */
77 char *name; /* name of file */
81 int last; /* last token */
82 int current; /* current token */
83 int length; /* bytes left to parse */
84 int size; /* never changes (size of file) */
85 int line; /* what line are we on? */
89 * It's important that this table never exceed 32 keywords, the ascii
90 * table starts at 33 (and we don't want conflicts)
101 TOKEN_FOR , // extension
102 TOKEN_TYPEDEF , // extension
104 // ensure the token types are out of the
105 // bounds of anyothers that may conflict.
114 * Lexer state constants, these are numbers for where exactly in
115 * the lexing the lexer is at. Or where it decided to stop if a lexer
116 * error occurs. These numbers must be > where the ascii-table ends
117 * and > the last type token which is TOKEN_VOID
126 int lex_token (struct lex_file *);
127 void lex_reset (struct lex_file *);
128 void lex_close (struct lex_file *);
129 struct lex_file *lex_include(struct lex_file *, char *);
130 struct lex_file *lex_open (FILE *);
132 //===================================================================
133 //========================== error.c ================================
134 //===================================================================
135 #define ERROR_LEX (SHRT_MAX+0)
136 #define ERROR_PARSE (SHRT_MAX+1)
137 #define ERROR_INTERNAL (SHRT_MAX+2)
138 #define ERROR_COMPILER (SHRT_MAX+3)
139 #define ERROR_PREPRO (SHRT_MAX+4)
140 int error(struct lex_file *, int, const char *, ...);
142 //===================================================================
143 //========================== parse.c ================================
144 //===================================================================
145 int parse_gen(struct lex_file *);
147 //===================================================================
148 //========================== typedef.c ==============================
149 //===================================================================
150 typedef struct typedef_node_t {
155 void typedef_clear();
156 typedef_node *typedef_find(const char *);
157 int typedef_add (struct lex_file *file, const char *, const char *);
160 //===================================================================
161 //=========================== util.c ================================
162 //===================================================================
163 void *util_memory_a (unsigned int, unsigned int, const char *);
164 void util_memory_d (void *, unsigned int, const char *);
165 void util_meminfo ();
167 char *util_strdup (const char *);
168 char *util_strrq (char *);
169 char *util_strrnl (char *);
170 void util_debug (const char *, const char *, ...);
171 int util_getline (char **, size_t *, FILE *);
172 void util_endianswap(void *, int, int);
174 uint32_t util_crc32(const char *, int, register const short);
177 # define mem_a(x) malloc(x)
178 # define mem_d(x) free (x)
180 # define mem_a(x) util_memory_a((x), __LINE__, __FILE__)
181 # define mem_d(x) util_memory_d((x), __LINE__, __FILE__)
184 #define VECTOR_MAKE(T,N) \
185 T* N##_data = NULL; \
186 long N##_elements = 0; \
187 long N##_allocated = 0; \
188 int N##_add(T element) { \
189 if (N##_elements == N##_allocated) { \
190 if (N##_allocated == 0) { \
191 N##_allocated = 12; \
193 N##_allocated *= 2; \
195 void *temp = mem_a(N##_allocated * sizeof(T)); \
200 memcpy(temp, N##_data, (N##_elements * sizeof(T))); \
202 N##_data = (T*)temp; \
204 N##_data[N##_elements] = element; \
205 return N##_elements++; \
208 //===================================================================
209 //=========================== code.c ================================
210 //===================================================================
223 * Each paramater incerements by 3 since vector types hold
224 * 3 components (x,y,z).
228 #define OFS_PARM0 (OFS_RETURN+3)
229 #define OFS_PARM1 (OFS_PARM0 +3)
230 #define OFS_PARM2 (OFS_PARM1 +3)
231 #define OFS_PARM3 (OFS_PARM2 +3)
232 #define OFS_PARM4 (OFS_PARM3 +3)
233 #define OFS_PARM5 (OFS_PARM4 +3)
234 #define OFS_PARM6 (OFS_PARM5 +3)
235 #define OFS_PARM7 (OFS_PARM6 +3)
242 int16_t s1; /* signed */
243 uint16_t u1; /* unsigned */
247 int16_t s2; /* signed */
248 uint16_t u2; /* unsigned */
252 int16_t s3; /* signed */
253 uint16_t u3; /* unsigned */
257 * This is the same as the structure in darkplaces
262 * But this one is more sane to work with, and the
263 * type sizes are guranteed.
265 } prog_section_statement;
276 * 7 = ev_pointer -- engine only
277 * 8 = ev_bad -- engine only
283 typedef prog_section_both prog_section_def;
284 typedef prog_section_both prog_section_field;
287 int32_t entry; /* in statement table for instructions */
288 uint32_t firstlocal; /* First local in local table */
289 uint32_t locals; /* Total ints of params + locals */
290 uint32_t profile; /* Always zero (engine uses this) */
291 uint32_t name; /* name of function in string table */
292 uint32_t file; /* file of the source file */
293 uint32_t nargs; /* number of arguments */
294 uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
295 } prog_section_function;
299 * These are the external instructions supported by the interperter
300 * this is what things compile to (from the C code).
370 /* Virtual instructions used by the IR
379 * The symbols below are created by the following
382 * VECTOR_MAKE(prog_section_statement, code_statements);
383 * VECTOR_MAKE(prog_section_def, code_defs );
384 * VECTOR_MAKE(prog_section_field, code_fields );
385 * VECTOR_MAKE(prog_section_function, code_functions );
386 * VECTOR_MAKE(int, code_globals );
387 * VECTOR_MAKE(char, code_chars );
389 int code_statements_add(prog_section_statement);
390 int code_defs_add (prog_section_def);
391 int code_fields_add (prog_section_field);
392 int code_functions_add (prog_section_function);
393 int code_globals_add (int);
394 int code_chars_add (char);
395 int code_strings_add (const char *); /* function wrapping code_chars_add */
396 extern long code_statements_elements;
397 extern long code_chars_elements;
398 extern long code_globals_elements;
399 extern long code_functions_elements;
400 extern long code_fields_elements;
401 extern long code_defs_elements;
404 * code_write -- writes out the compiled file
405 * code_init -- prepares the code file
410 //===================================================================
411 //========================= assembler.c =============================
412 //===================================================================
413 static const struct {
414 const char *m; /* menomic */
415 const size_t o; /* operands */
416 const size_t l; /* menomic len */
417 } const asm_instr[] = {
418 [INSTR_DONE] = { "DONE" , 1, 4 },
419 [INSTR_MUL_F] = { "MUL_F" , 3, 5 },
420 [INSTR_MUL_V] = { "MUL_V" , 3, 5 },
421 [INSTR_MUL_FV] = { "MUL_FV" , 3, 6 },
422 [INSTR_MUL_VF] = { "MUL_VF" , 3, 6 },
423 [INSTR_DIV_F] = { "DIV" , 0, 3 },
424 [INSTR_ADD_F] = { "ADD_F" , 3, 5 },
425 [INSTR_ADD_V] = { "ADD_V" , 3, 5 },
426 [INSTR_SUB_F] = { "SUB_F" , 3, 5 },
427 [INSTR_SUB_V] = { "DUB_V" , 3, 5 },
428 [INSTR_EQ_F] = { "EQ_F" , 0, 4 },
429 [INSTR_EQ_V] = { "EQ_V" , 0, 4 },
430 [INSTR_EQ_S] = { "EQ_S" , 0, 4 },
431 [INSTR_EQ_E] = { "EQ_E" , 0, 4 },
432 [INSTR_EQ_FNC] = { "ES_FNC" , 0, 6 },
433 [INSTR_NE_F] = { "NE_F" , 0, 4 },
434 [INSTR_NE_V] = { "NE_V" , 0, 4 },
435 [INSTR_NE_S] = { "NE_S" , 0, 4 },
436 [INSTR_NE_E] = { "NE_E" , 0, 4 },
437 [INSTR_NE_FNC] = { "NE_FNC" , 0, 6 },
438 [INSTR_LE] = { "LE" , 0, 2 },
439 [INSTR_GE] = { "GE" , 0, 2 },
440 [INSTR_LT] = { "LT" , 0, 2 },
441 [INSTR_GT] = { "GT" , 0, 2 },
442 [INSTR_LOAD_F] = { "FIELD_F" , 0, 7 },
443 [INSTR_LOAD_V] = { "FIELD_V" , 0, 7 },
444 [INSTR_LOAD_S] = { "FIELD_S" , 0, 7 },
445 [INSTR_LOAD_ENT] = { "FIELD_ENT" , 0, 9 },
446 [INSTR_LOAD_FLD] = { "FIELD_FLD" , 0, 9 },
447 [INSTR_LOAD_FNC] = { "FIELD_FNC" , 0, 9 },
448 [INSTR_ADDRESS] = { "ADDRESS" , 0, 7 },
449 [INSTR_STORE_F] = { "STORE_F" , 0, 7 },
450 [INSTR_STORE_V] = { "STORE_V" , 0, 7 },
451 [INSTR_STORE_S] = { "STORE_S" , 0, 7 },
452 [INSTR_STORE_ENT] = { "STORE_ENT" , 0, 9 },
453 [INSTR_STORE_FLD] = { "STORE_FLD" , 0, 9 },
454 [INSTR_STORE_FNC] = { "STORE_FNC" , 0, 9 },
455 [INSTR_STOREP_F] = { "STOREP_F" , 0, 8 },
456 [INSTR_STOREP_V] = { "STOREP_V" , 0, 8 },
457 [INSTR_STOREP_S] = { "STOREP_S" , 0, 8 },
458 [INSTR_STOREP_ENT] = { "STOREP_ENT", 0, 10},
459 [INSTR_STOREP_FLD] = { "STOREP_FLD", 0, 10},
460 [INSTR_STOREP_FNC] = { "STOREP_FNC", 0, 10},
461 [INSTR_RETURN] = { "RETURN" , 0, 6 },
462 [INSTR_NOT_F] = { "NOT_F" , 0, 5 },
463 [INSTR_NOT_V] = { "NOT_V" , 0, 5 },
464 [INSTR_NOT_S] = { "NOT_S" , 0, 5 },
465 [INSTR_NOT_ENT] = { "NOT_ENT" , 0, 7 },
466 [INSTR_NOT_FNC] = { "NOT_FNC" , 0, 7 },
467 [INSTR_IF] = { "IF" , 0, 2 },
468 [INSTR_IFNOT] = { "IFNOT" , 0, 5 },
469 [INSTR_CALL0] = { "CALL0" , 0, 5 },
470 [INSTR_CALL1] = { "CALL1" , 0, 5 },
471 [INSTR_CALL2] = { "CALL2" , 0, 5 },
472 [INSTR_CALL3] = { "CALL3" , 0, 5 },
473 [INSTR_CALL4] = { "CALL4" , 0, 5 },
474 [INSTR_CALL5] = { "CALL5" , 0, 5 },
475 [INSTR_CALL6] = { "CALL6" , 0, 5 },
476 [INSTR_CALL7] = { "CALL7" , 0, 5 },
477 [INSTR_CALL8] = { "CALL8" , 0, 5 },
478 [INSTR_STATE] = { "STATE" , 0, 5 },
479 [INSTR_GOTO] = { "GOTO" , 0, 4 },
480 [INSTR_AND] = { "AND" , 0, 3 },
481 [INSTR_OR] = { "OR" , 0, 2 },
482 [INSTR_BITAND] = { "BITAND" , 0, 6 },
483 [INSTR_BITOR] = { "BITOR" , 0, 5 }
486 void asm_init (const char *, FILE **);
487 void asm_close(FILE *);
488 void asm_parse(FILE *);
489 //======================================================================
490 //============================= main.c =================================
491 //======================================================================
493 COMPILER_QCC, /* circa QuakeC */
494 COMPILER_FTEQCC, /* fteqcc QuakeC */
495 COMPILER_QCCX, /* qccx QuakeC */
496 COMPILER_GMQCC /* this QuakeC */
498 extern int opts_debug;
499 extern int opts_memchk;
500 extern int opts_darkplaces_stringtablebug;
501 extern int opts_omit_nullcode;