1 | %start VS10Program |
---|
2 | %name-prefix="vs10_" |
---|
3 | %{ |
---|
4 | void yyerror(char *s); |
---|
5 | int yylex(void); |
---|
6 | |
---|
7 | #include <math.h> |
---|
8 | #include <string> |
---|
9 | |
---|
10 | #include <stdlib.h> |
---|
11 | #include "vs1.0_inst_list.h" |
---|
12 | #include "nvparse_errors.h" |
---|
13 | #include "nvparse_externs.h" |
---|
14 | |
---|
15 | //extern bool gbTempInsideMacro; |
---|
16 | //extern unsigned int &base_linenumber; |
---|
17 | void LexError(char *format, ...); |
---|
18 | extern int line_incr; |
---|
19 | |
---|
20 | #define do_linenum_incr() { line_number+=line_incr; line_incr = 0; } |
---|
21 | //int get_linenum() { return( gbTempInsideMacro ? base_linenumber : line_number ); } |
---|
22 | int get_linenum() { return( line_number ); } |
---|
23 | |
---|
24 | #define YYDEBUG 1 |
---|
25 | |
---|
26 | %} |
---|
27 | %union { |
---|
28 | int ival; |
---|
29 | unsigned int lval; |
---|
30 | float fval; |
---|
31 | char mask[4]; |
---|
32 | char *comment; |
---|
33 | VS10Reg reg; |
---|
34 | VS10InstPtr inst; |
---|
35 | VS10InstListPtr instList; |
---|
36 | }; |
---|
37 | |
---|
38 | %token VERTEX_SHADER |
---|
39 | |
---|
40 | %token ADD_INSTR |
---|
41 | %token DP3_INSTR |
---|
42 | %token DP4_INSTR |
---|
43 | %token DST_INSTR |
---|
44 | %token EXP_INSTR |
---|
45 | %token EXPP_INSTR |
---|
46 | %token FRC_INSTR |
---|
47 | %token LIT_INSTR |
---|
48 | %token LOG_INSTR |
---|
49 | %token LOGP_INSTR |
---|
50 | %token M3X2_INSTR |
---|
51 | %token M3X3_INSTR |
---|
52 | %token M3X4_INSTR |
---|
53 | %token M4X3_INSTR |
---|
54 | %token M4X4_INSTR |
---|
55 | %token MAD_INSTR |
---|
56 | %token MAX_INSTR |
---|
57 | %token MIN_INSTR |
---|
58 | %token MOV_INSTR |
---|
59 | %token MUL_INSTR |
---|
60 | %token NOP_INSTR |
---|
61 | %token RCP_INSTR |
---|
62 | %token RSQ_INSTR |
---|
63 | %token SGE_INSTR |
---|
64 | %token SLT_INSTR |
---|
65 | %token SUB_INSTR |
---|
66 | |
---|
67 | %token ILLEGAL |
---|
68 | %token UNKNOWN_STRING |
---|
69 | |
---|
70 | %token <ival> INTVAL |
---|
71 | %token <reg> REGISTER |
---|
72 | %token <mask> XYZW_MODIFIER |
---|
73 | %token <comment> COMMENT |
---|
74 | |
---|
75 | %type <instList> InstSequence |
---|
76 | %type <inst> InstLine |
---|
77 | %type <inst> Instruction |
---|
78 | %type <inst> VECTORopinstruction |
---|
79 | %type <inst> SCALARopinstruction |
---|
80 | %type <inst> UNARYopinstruction |
---|
81 | %type <inst> BINopinstruction |
---|
82 | %type <inst> TRIopinstruction |
---|
83 | %type <ival> VECTORop |
---|
84 | %type <ival> SCALARop |
---|
85 | %type <ival> UNARYop |
---|
86 | %type <ival> BINop |
---|
87 | %type <ival> TRIop |
---|
88 | |
---|
89 | %type <reg> genericReg |
---|
90 | %type <reg> genReg |
---|
91 | %type <reg> constantReg |
---|
92 | |
---|
93 | |
---|
94 | %% /*beginning of rules section */ |
---|
95 | |
---|
96 | VS10Program: InstSequence |
---|
97 | { |
---|
98 | $1->Validate(); |
---|
99 | $1->Translate(); |
---|
100 | delete $1; |
---|
101 | } |
---|
102 | ; |
---|
103 | |
---|
104 | InstSequence: InstSequence InstLine |
---|
105 | { |
---|
106 | *($1) += $2; |
---|
107 | delete $2; |
---|
108 | $$ = $1 |
---|
109 | } |
---|
110 | | InstLine |
---|
111 | { |
---|
112 | VS10InstListPtr instList = new VS10InstList; |
---|
113 | if ( $1 != NULL ) |
---|
114 | { |
---|
115 | *instList += $1; |
---|
116 | delete $1; |
---|
117 | } |
---|
118 | $$ = instList; |
---|
119 | } |
---|
120 | ; |
---|
121 | |
---|
122 | InstLine: Instruction |
---|
123 | { |
---|
124 | $$ = $1; |
---|
125 | do_linenum_incr(); |
---|
126 | } |
---|
127 | | '\n' |
---|
128 | { |
---|
129 | $$ = new VS10Inst( get_linenum() ); |
---|
130 | do_linenum_incr(); |
---|
131 | } |
---|
132 | ; |
---|
133 | |
---|
134 | Instruction: VECTORopinstruction |
---|
135 | | SCALARopinstruction |
---|
136 | | UNARYopinstruction |
---|
137 | | BINopinstruction |
---|
138 | | TRIopinstruction |
---|
139 | | NOP_INSTR |
---|
140 | { |
---|
141 | $$ = new VS10Inst( get_linenum(), VS10_NOP ); |
---|
142 | } |
---|
143 | | COMMENT |
---|
144 | { |
---|
145 | $$ = new VS10Inst( get_linenum(), VS10_COMMENT, $1 ); |
---|
146 | } |
---|
147 | | VERTEX_SHADER |
---|
148 | { |
---|
149 | $$ = new VS10Inst( get_linenum(), VS10_HEADER ); |
---|
150 | } |
---|
151 | ; |
---|
152 | |
---|
153 | VECTORopinstruction: VECTORop genericReg ',' genericReg |
---|
154 | { |
---|
155 | $$ = new VS10Inst( get_linenum(), $1, $2, $4 ); |
---|
156 | } |
---|
157 | ; |
---|
158 | |
---|
159 | genericReg : '-' genReg '.' XYZW_MODIFIER |
---|
160 | { |
---|
161 | VS10Reg reg; |
---|
162 | reg = $2; |
---|
163 | reg.sign = -1; |
---|
164 | reg.type = $2.type; |
---|
165 | reg.index = $2.index; |
---|
166 | for ( int i = 0; i < 4; i++ ) reg.mask[i] = $4[i]; |
---|
167 | $$ = reg; |
---|
168 | } |
---|
169 | | genReg '.' XYZW_MODIFIER |
---|
170 | { |
---|
171 | VS10Reg reg; |
---|
172 | reg = $1; |
---|
173 | reg.sign = 1; |
---|
174 | reg.type = $1.type; |
---|
175 | reg.index = $1.index; |
---|
176 | for ( int i = 0; i < 4; i++ ) reg.mask[i] = $3[i]; |
---|
177 | $$ = reg; |
---|
178 | } |
---|
179 | | '-' genReg |
---|
180 | { |
---|
181 | VS10Reg reg; |
---|
182 | reg = $2; |
---|
183 | reg.sign = -1; |
---|
184 | reg.type = $2.type; |
---|
185 | reg.index = $2.index; |
---|
186 | for ( int i = 0; i < 4; i++ ) reg.mask[i] = 0; |
---|
187 | $$ = reg; |
---|
188 | } |
---|
189 | | genReg |
---|
190 | { |
---|
191 | VS10Reg reg; |
---|
192 | reg = $1; |
---|
193 | reg.sign = 1; |
---|
194 | reg.type = $1.type; |
---|
195 | reg.index = $1.index; |
---|
196 | for ( int i = 0; i < 4; i++ ) reg.mask[i] = 0; |
---|
197 | $$ = reg; |
---|
198 | } |
---|
199 | ; |
---|
200 | genReg: REGISTER | constantReg |
---|
201 | { |
---|
202 | } |
---|
203 | ; |
---|
204 | constantReg: 'c' '[' INTVAL ']' |
---|
205 | { |
---|
206 | VS10Reg reg; |
---|
207 | reg.type = TYPE_CONSTANT_MEM_REG; |
---|
208 | reg.index = $3; |
---|
209 | $$ = reg; |
---|
210 | } |
---|
211 | | 'c' '[' REGISTER '.' XYZW_MODIFIER ']' |
---|
212 | { |
---|
213 | // Register is valid only if |
---|
214 | // type = TYPE_ADDRESS_REG |
---|
215 | // index = 0 |
---|
216 | // len(mask) = 1 |
---|
217 | // mask[0] = 'x' |
---|
218 | VS10Reg reg; |
---|
219 | $$.type = TYPE_CONSTANT_A0_REG; |
---|
220 | if ( $3.type != TYPE_ADDRESS_REG ) |
---|
221 | { |
---|
222 | LexError( "constant register index must be:\t<int>, a0.x, or a0.x + <int>.\n" ); |
---|
223 | } |
---|
224 | else if ( $3.index != 0 ) |
---|
225 | { |
---|
226 | LexError( "constant register index must be:\t<int>, a0.x, or a0.x + <int>.\n" ); |
---|
227 | } |
---|
228 | else |
---|
229 | { |
---|
230 | int len = 0; |
---|
231 | while ( len < 2 ) |
---|
232 | { |
---|
233 | if ( $5[len] == 0 ) |
---|
234 | break; |
---|
235 | len++; |
---|
236 | } |
---|
237 | if ( len != 1 || $5[0] != 'x' ) |
---|
238 | { |
---|
239 | LexError( "constant register index must be:\t<int>, a0.x, or a0.x + <int>.\n" ); |
---|
240 | } |
---|
241 | |
---|
242 | reg.type = TYPE_CONSTANT_A0_REG; |
---|
243 | $$ = reg; |
---|
244 | } |
---|
245 | } |
---|
246 | | 'c' '[' REGISTER '.' XYZW_MODIFIER '+' INTVAL ']' |
---|
247 | { |
---|
248 | // Register is valid only if |
---|
249 | // type = TYPE_ADDRESS_REG |
---|
250 | // index = 0 |
---|
251 | // len(mask) = 1 |
---|
252 | // mask[0] = 'x' |
---|
253 | VS10Reg reg; |
---|
254 | $$.type = TYPE_CONSTANT_A0_OFFSET_REG; |
---|
255 | if ( $3.type != TYPE_ADDRESS_REG ) |
---|
256 | { |
---|
257 | LexError( "constant register index must be:\t<int>, a0.x, or a0.x + <int>.\n" ); |
---|
258 | } |
---|
259 | else if ( $3.index != 0 ) |
---|
260 | { |
---|
261 | LexError( "constant register index must be:\t<int>, a0.x, or a0.x + <int>.\n" ); |
---|
262 | } |
---|
263 | else |
---|
264 | { |
---|
265 | int len = 0; |
---|
266 | while ( len < 2 ) |
---|
267 | { |
---|
268 | if ( $5[len] == 0 ) |
---|
269 | break; |
---|
270 | len++; |
---|
271 | } |
---|
272 | if ( len != 1 || $5[0] != 'x' ) |
---|
273 | { |
---|
274 | LexError( "constant register index must be:\t<int>, a0.x, or a0.x + <int>.\n" ); |
---|
275 | } |
---|
276 | |
---|
277 | reg.type = TYPE_CONSTANT_A0_OFFSET_REG; |
---|
278 | reg.index = $7; |
---|
279 | $$ = reg; |
---|
280 | } |
---|
281 | } |
---|
282 | | 'c' '[' REGISTER ']' |
---|
283 | { |
---|
284 | $$.type = TYPE_CONSTANT_A0_REG; |
---|
285 | LexError( "constant register index must be:\t<int>, a0.x, or a0.x + <int>.\n" ); |
---|
286 | } |
---|
287 | | 'c' '[' REGISTER '+' INTVAL ']' |
---|
288 | { |
---|
289 | $$.type = TYPE_CONSTANT_A0_REG; |
---|
290 | LexError( "constant register index must be:\t<int>, a0.x, or a0.x + <int>.\n" ); |
---|
291 | } |
---|
292 | | 'c' '[' '-' REGISTER ']' |
---|
293 | { |
---|
294 | $$.type = TYPE_CONSTANT_A0_REG; |
---|
295 | LexError( "constant register index must be:\t<int>, a0.x, or a0.x + <int>.\n" ); |
---|
296 | } |
---|
297 | | 'c' '[' '-' REGISTER '+' INTVAL ']' |
---|
298 | { |
---|
299 | $$.type = TYPE_CONSTANT_A0_REG; |
---|
300 | LexError( "constant register index must be:\t<int>, a0.x, or a0.x + <int>.\n" ); |
---|
301 | } |
---|
302 | | 'c' '[' '-' REGISTER '.' XYZW_MODIFIER ']' |
---|
303 | { |
---|
304 | $$.type = TYPE_CONSTANT_A0_REG; |
---|
305 | LexError( "constant register index must be:\t<int>, a0.x, or a0.x + <int>.\n" ); |
---|
306 | } |
---|
307 | | 'c' '[' '-' REGISTER '.' XYZW_MODIFIER '+' INTVAL ']' |
---|
308 | { |
---|
309 | $$.type = TYPE_CONSTANT_A0_REG; |
---|
310 | LexError( "constant register index must be:\t<int>, a0.x, or a0.x + <int>.\n" ); |
---|
311 | } |
---|
312 | ; |
---|
313 | |
---|
314 | SCALARopinstruction: SCALARop genericReg ',' genericReg |
---|
315 | { |
---|
316 | $$ = new VS10Inst( get_linenum(), $1, $2, $4 ); |
---|
317 | } |
---|
318 | ; |
---|
319 | |
---|
320 | UNARYopinstruction: UNARYop genericReg ',' genericReg |
---|
321 | { |
---|
322 | $$ = new VS10Inst( get_linenum(), $1, $2, $4 ); |
---|
323 | } |
---|
324 | ; |
---|
325 | |
---|
326 | BINopinstruction: BINop genericReg ',' genericReg ',' genericReg |
---|
327 | { |
---|
328 | $$ = new VS10Inst( get_linenum(), $1, $2, $4, $6 ); |
---|
329 | } |
---|
330 | ; |
---|
331 | |
---|
332 | TRIopinstruction: TRIop genericReg ',' |
---|
333 | genericReg ',' genericReg ',' genericReg |
---|
334 | { |
---|
335 | $$ = new VS10Inst( get_linenum(), $1, $2, $4, $6, $8 ); |
---|
336 | } |
---|
337 | ; |
---|
338 | |
---|
339 | VECTORop: MOV_INSTR |
---|
340 | { |
---|
341 | $$ = VS10_MOV; |
---|
342 | } |
---|
343 | | LIT_INSTR |
---|
344 | { |
---|
345 | $$ = VS10_LIT; |
---|
346 | } |
---|
347 | ; |
---|
348 | |
---|
349 | SCALARop: RCP_INSTR |
---|
350 | { |
---|
351 | $$ = VS10_RCP; |
---|
352 | } |
---|
353 | | RSQ_INSTR |
---|
354 | { |
---|
355 | $$ = VS10_RSQ; |
---|
356 | } |
---|
357 | | EXP_INSTR |
---|
358 | { |
---|
359 | $$ = VS10_EXP; |
---|
360 | } |
---|
361 | | EXPP_INSTR |
---|
362 | { |
---|
363 | $$ = VS10_EXPP; |
---|
364 | } |
---|
365 | | LOG_INSTR |
---|
366 | { |
---|
367 | $$ = VS10_LOG; |
---|
368 | } |
---|
369 | | LOGP_INSTR |
---|
370 | { |
---|
371 | $$ = VS10_LOGP; |
---|
372 | } |
---|
373 | ; |
---|
374 | |
---|
375 | UNARYop: FRC_INSTR |
---|
376 | { |
---|
377 | $$ = VS10_FRC; |
---|
378 | } |
---|
379 | ; |
---|
380 | |
---|
381 | BINop: MUL_INSTR |
---|
382 | { |
---|
383 | $$ = VS10_MUL; |
---|
384 | } |
---|
385 | | ADD_INSTR |
---|
386 | { |
---|
387 | $$ = VS10_ADD; |
---|
388 | } |
---|
389 | | DP3_INSTR |
---|
390 | { |
---|
391 | $$ = VS10_DP3; |
---|
392 | } |
---|
393 | | DP4_INSTR |
---|
394 | { |
---|
395 | $$ = VS10_DP4; |
---|
396 | } |
---|
397 | | DST_INSTR |
---|
398 | { |
---|
399 | $$ = VS10_DST; |
---|
400 | } |
---|
401 | | MIN_INSTR |
---|
402 | { |
---|
403 | $$ = VS10_MIN; |
---|
404 | } |
---|
405 | | MAX_INSTR |
---|
406 | { |
---|
407 | $$ = VS10_MAX; |
---|
408 | } |
---|
409 | | SLT_INSTR |
---|
410 | { |
---|
411 | $$ = VS10_SLT; |
---|
412 | } |
---|
413 | | SGE_INSTR |
---|
414 | { |
---|
415 | $$ = VS10_SGE; |
---|
416 | } |
---|
417 | | M3X2_INSTR |
---|
418 | { |
---|
419 | $$ = VS10_M3X2; |
---|
420 | } |
---|
421 | | M3X3_INSTR |
---|
422 | { |
---|
423 | $$ = VS10_M3X3; |
---|
424 | } |
---|
425 | | M3X4_INSTR |
---|
426 | { |
---|
427 | $$ = VS10_M3X4; |
---|
428 | } |
---|
429 | | M4X3_INSTR |
---|
430 | { |
---|
431 | $$ = VS10_M4X3; |
---|
432 | } |
---|
433 | | M4X4_INSTR |
---|
434 | { |
---|
435 | $$ = VS10_M4X4; |
---|
436 | } |
---|
437 | | SUB_INSTR |
---|
438 | { |
---|
439 | $$ = VS10_SUB; |
---|
440 | } |
---|
441 | ; |
---|
442 | |
---|
443 | TRIop: MAD_INSTR |
---|
444 | { |
---|
445 | $$ = VS10_MAD; |
---|
446 | } |
---|
447 | ; |
---|
448 | |
---|
449 | |
---|
450 | %% |
---|
451 | void yyerror(char* s) |
---|
452 | { |
---|
453 | LexError( "Syntax Error.\n" ); |
---|
454 | //errors.set(s); |
---|
455 | //errors.set("unrecognized token"); |
---|
456 | } |
---|