parser.py revision 8452:3f2c329e9046
1# Copyright (c) 2009 The Hewlett-Packard Development Company 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright 9# notice, this list of conditions and the following disclaimer in the 10# documentation and/or other materials provided with the distribution; 11# neither the name of the copyright holders nor the names of its 12# contributors may be used to endorse or promote products derived from 13# this software without specific prior written permission. 14# 15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Authors: Nathan Binkert 28 29import os.path 30import re 31import sys 32 33from m5.util import code_formatter 34from m5.util.grammar import Grammar, ParseError 35 36import slicc.ast as ast 37import slicc.util as util 38from slicc.symbols import SymbolTable 39 40def read_slicc(sources): 41 if not isinstance(sources, (list,tuple)): 42 sources = [ sources ] 43 44 for source in sources: 45 for sm_file in file(source, "r"): 46 sm_file = sm_file.strip() 47 if not sm_file: 48 continue 49 if sm_file.startswith("#"): 50 continue 51 yield sm_file 52 53class SLICC(Grammar): 54 def __init__(self, protocol, **kwargs): 55 self.decl_list_vec = [] 56 self.protocol = protocol 57 self.symtab = SymbolTable(self) 58 59 def codeFormatter(self, *args, **kwargs): 60 code = code_formatter(*args, **kwargs) 61 code['protocol'] = self.protocol 62 return code 63 64 def parse(self, filename): 65 try: 66 decl_list = self.parse_file(filename) 67 except ParseError, e: 68 sys.exit(str(e)) 69 self.decl_list_vec.append(decl_list) 70 71 def _load(self, *filenames): 72 filenames = list(filenames) 73 while filenames: 74 f = filenames.pop(0) 75 if isinstance(f, (list, tuple)): 76 filenames[0:0] = list(f) 77 continue 78 79 yield f 80 if f.endswith(".slicc"): 81 dirname,basename = os.path.split(f) 82 filenames[0:0] = [ os.path.join(dirname, x) \ 83 for x in read_slicc(f)] 84 else: 85 assert f.endswith(".sm") 86 self.parse(f) 87 88 def load(self, *filenames, **kwargs): 89 verbose = kwargs.pop("verbose", False) 90 if kwargs: 91 raise TypeError 92 93 gen = self._load(*filenames) 94 if verbose: 95 return gen 96 else: 97 # Run out the generator if we don't want the verbosity 98 for foo in gen: 99 pass 100 101 def findMachines(self): 102 for decl_list in self.decl_list_vec: 103 decl_list.findMachines() 104 105 def generate(self): 106 for decl_list in self.decl_list_vec: 107 decl_list.generate() 108 109 def writeCodeFiles(self, code_path): 110 util.makeDir(code_path) 111 self.symtab.writeCodeFiles(code_path) 112 113 def writeHTMLFiles(self, code_path): 114 util.makeDir(code_path) 115 self.symtab.writeHTMLFiles(code_path) 116 117 def files(self): 118 f = set([ 119 'MachineType.cc', 120 'MachineType.hh', 121 'Types.hh' ]) 122 123 for decl_list in self.decl_list_vec: 124 f |= decl_list.files() 125 126 return f 127 128 t_ignore = '\t ' 129 130 # C or C++ comment (ignore) 131 def t_c_comment(self, t): 132 r'/\*(.|\n)*?\*/' 133 t.lexer.lineno += t.value.count('\n') 134 135 def t_cpp_comment(self, t): 136 r'//.*' 137 138 # Define a rule so we can track line numbers 139 def t_newline(self, t): 140 r'\n+' 141 t.lexer.lineno += len(t.value) 142 143 reserved = { 144 'global' : 'GLOBAL', 145 'machine' : 'MACHINE', 146 'in_port' : 'IN_PORT', 147 'out_port' : 'OUT_PORT', 148 'action' : 'ACTION', 149 'transition' : 'TRANS', 150 'structure' : 'STRUCT', 151 'external_type' : 'EXTERN_TYPE', 152 'enumeration' : 'ENUM', 153 'state_declaration' : 'STATE_DECL', 154 'peek' : 'PEEK', 155 'stall_and_wait' : 'STALL_AND_WAIT', 156 'enqueue' : 'ENQUEUE', 157 'copy_head' : 'COPY_HEAD', 158 'check_allocate' : 'CHECK_ALLOCATE', 159 'check_stop_slots' : 'CHECK_STOP_SLOTS', 160 'static_cast' : 'STATIC_CAST', 161 'if' : 'IF', 162 'is_valid' : 'IS_VALID', 163 'is_invalid' : 'IS_INVALID', 164 'else' : 'ELSE', 165 'return' : 'RETURN', 166 'THIS' : 'THIS', 167 'CHIP' : 'CHIP', 168 'void' : 'VOID', 169 'new' : 'NEW', 170 'OOD' : 'OOD', 171 } 172 173 literals = ':[]{}(),=' 174 175 tokens = [ 'EQ', 'NE', 'LT', 'GT', 'LE', 'GE', 176 'LEFTSHIFT', 'RIGHTSHIFT', 177 'NOT', 'AND', 'OR', 178 'PLUS', 'DASH', 'STAR', 'SLASH', 179 'DOUBLE_COLON', 'SEMI', 180 'ASSIGN', 'DOT', 181 'IDENT', 'LIT_BOOL', 'FLOATNUMBER', 'NUMBER', 'STRING' ] 182 tokens += reserved.values() 183 184 t_EQ = r'==' 185 t_NE = r'!=' 186 t_LT = r'<' 187 t_GT = r'>' 188 t_LE = r'<=' 189 t_GE = r'>=' 190 t_LEFTSHIFT = r'<<' 191 t_RIGHTSHIFT = r'>>' 192 t_NOT = r'!' 193 t_AND = r'&&' 194 t_OR = r'\|\|' 195 t_PLUS = r'\+' 196 t_DASH = r'-' 197 t_STAR = r'\*' 198 t_SLASH = r'/' 199 t_DOUBLE_COLON = r'::' 200 t_SEMI = r';' 201 t_ASSIGN = r':=' 202 t_DOT = r'\.' 203 204 precedence = ( 205 ('left', 'AND', 'OR'), 206 ('left', 'EQ', 'NE'), 207 ('left', 'LT', 'GT', 'LE', 'GE'), 208 ('left', 'RIGHTSHIFT', 'LEFTSHIFT'), 209 ('left', 'PLUS', 'DASH'), 210 ('left', 'STAR', 'SLASH'), 211 ('right', 'NOT', 'UMINUS'), 212 ) 213 214 def t_IDENT(self, t): 215 r'[a-zA-Z_][a-zA-Z_0-9]*' 216 if t.value == 'true': 217 t.type = 'LIT_BOOL' 218 t.value = True 219 return t 220 221 if t.value == 'false': 222 t.type = 'LIT_BOOL' 223 t.value = False 224 return t 225 226 # Check for reserved words 227 t.type = self.reserved.get(t.value, 'IDENT') 228 return t 229 230 def t_FLOATNUMBER(self, t): 231 '[0-9]+[.][0-9]+' 232 try: 233 t.value = float(t.value) 234 except ValueError: 235 raise ParseError("Illegal float", t) 236 return t 237 238 def t_NUMBER(self, t): 239 r'[0-9]+' 240 try: 241 t.value = int(t.value) 242 except ValueError: 243 raise ParseError("Illegal number", t) 244 return t 245 246 def t_STRING1(self, t): 247 r'\"[^"\n]*\"' 248 t.type = 'STRING' 249 t.value = t.value[1:-1] 250 return t 251 252 def t_STRING2(self, t): 253 r"\'[^'\n]*\'" 254 t.type = 'STRING' 255 t.value = t.value[1:-1] 256 return t 257 258 def p_file(self, p): 259 "file : decls" 260 p[0] = p[1] 261 262 def p_empty(self, p): 263 "empty :" 264 265 def p_decls(self, p): 266 "decls : declsx" 267 p[0] = ast.DeclListAST(self, p[1]) 268 269 def p_declsx__list(self, p): 270 "declsx : decl declsx" 271 p[0] = [ p[1] ] + p[2] 272 273 def p_declsx__none(self, p): 274 "declsx : empty" 275 p[0] = [] 276 277 def p_decl__machine(self, p): 278 "decl : MACHINE '(' ident pairs ')' ':' params '{' decls '}'" 279 p[0] = ast.MachineAST(self, p[3], p[4], p[7], p[9]) 280 281 def p_decl__action(self, p): 282 "decl : ACTION '(' ident pairs ')' statements" 283 p[0] = ast.ActionDeclAST(self, p[3], p[4], p[6]) 284 285 def p_decl__in_port(self, p): 286 "decl : IN_PORT '(' ident ',' type ',' var pairs ')' statements" 287 p[0] = ast.InPortDeclAST(self, p[3], p[5], p[7], p[8], p[10]) 288 289 def p_decl__out_port(self, p): 290 "decl : OUT_PORT '(' ident ',' type ',' var pairs ')' SEMI" 291 p[0] = ast.OutPortDeclAST(self, p[3], p[5], p[7], p[8]) 292 293 def p_decl__trans0(self, p): 294 "decl : TRANS '(' idents ',' idents ',' ident pairs ')' idents" 295 p[0] = ast.TransitionDeclAST(self, p[3], p[5], p[7], p[8], p[10]) 296 297 def p_decl__trans1(self, p): 298 "decl : TRANS '(' idents ',' idents pairs ')' idents" 299 p[0] = ast.TransitionDeclAST(self, p[3], p[5], None, p[6], p[8]) 300 301 def p_decl__extern0(self, p): 302 "decl : EXTERN_TYPE '(' type pairs ')' SEMI" 303 p[4]["external"] = "yes" 304 p[0] = ast.TypeDeclAST(self, p[3], p[4], []) 305 306 def p_decl__global(self, p): 307 "decl : GLOBAL '(' type pairs ')' '{' type_members '}'" 308 p[4]["global"] = "yes" 309 p[0] = ast.TypeDeclAST(self, p[3], p[4], p[7]) 310 311 def p_decl__struct(self, p): 312 "decl : STRUCT '(' type pairs ')' '{' type_members '}'" 313 p[0] = ast.TypeDeclAST(self, p[3], p[4], p[7]) 314 315 def p_decl__enum(self, p): 316 "decl : ENUM '(' type pairs ')' '{' type_enums '}'" 317 p[4]["enumeration"] = "yes" 318 p[0] = ast.EnumDeclAST(self, p[3], p[4], p[7]) 319 320 def p_decl__state_decl(self, p): 321 "decl : STATE_DECL '(' type pairs ')' '{' type_states '}'" 322 p[4]["enumeration"] = "yes" 323 p[4]["state_decl"] = "yes" 324 p[0] = ast.StateDeclAST(self, p[3], p[4], p[7]) 325 326 def p_decl__object(self, p): 327 "decl : type ident pairs SEMI" 328 p[0] = ast.ObjDeclAST(self, p[1], p[2], p[3]) 329 330 def p_decl__func_decl(self, p): 331 """decl : void ident '(' params ')' pairs SEMI 332 | type ident '(' params ')' pairs SEMI""" 333 p[0] = ast.FuncDeclAST(self, p[1], p[2], p[4], p[6], None) 334 335 def p_decl__func_def(self, p): 336 """decl : void ident '(' params ')' pairs statements 337 | type ident '(' params ')' pairs statements""" 338 p[0] = ast.FuncDeclAST(self, p[1], p[2], p[4], p[6], p[7]) 339 340 # Type fields 341 def p_type_members__list(self, p): 342 "type_members : type_member type_members" 343 p[0] = [ p[1] ] + p[2] 344 345 def p_type_members__empty(self, p): 346 "type_members : empty" 347 p[0] = [] 348 349 def p_type_method__0(self, p): 350 "type_member : type_or_void ident '(' types ')' pairs SEMI" 351 p[0] = ast.TypeFieldMethodAST(self, p[1], p[2], p[4], p[6]) 352 353 def p_type_member__1(self, p): 354 "type_member : type_or_void ident pairs SEMI" 355 p[0] = ast.TypeFieldMemberAST(self, p[1], p[2], p[3], None) 356 357 def p_type_member__2(self, p): 358 "type_member : type_or_void ident ASSIGN expr SEMI" 359 p[0] = ast.TypeFieldMemberAST(self, p[1], p[2], 360 ast.PairListAST(self), p[4]) 361 362 # Enum fields 363 def p_type_enums__list(self, p): 364 "type_enums : type_enum type_enums" 365 p[0] = [ p[1] ] + p[2] 366 367 def p_type_enums__empty(self, p): 368 "type_enums : empty" 369 p[0] = [] 370 371 def p_type_enum(self, p): 372 "type_enum : ident pairs SEMI" 373 p[0] = ast.TypeFieldEnumAST(self, p[1], p[2]) 374 375 # States 376 def p_type_states__list(self, p): 377 "type_states : type_state type_states" 378 p[0] = [ p[1] ] + p[2] 379 380 def p_type_states__empty(self, p): 381 "type_states : empty" 382 p[0] = [] 383 384 def p_type_state(self, p): 385 "type_state : ident ',' enumeration pairs SEMI" 386 p[0] = ast.TypeFieldStateAST(self, p[1], p[3], p[4]) 387 388 # Type 389 def p_types__multiple(self, p): 390 "types : type ',' types" 391 p[0] = [ p[1] ] + p[3] 392 393 def p_types__one(self, p): 394 "types : type" 395 p[0] = [ p[1] ] 396 397 def p_types__empty(self, p): 398 "types : empty" 399 p[0] = [] 400 401 def p_typestr__multi(self, p): 402 "typestr : typestr DOUBLE_COLON ident" 403 p[0] = '%s::%s' % (p[1], p[3]) 404 405 def p_typestr__single(self, p): 406 "typestr : ident" 407 p[0] = p[1] 408 409 def p_type__one(self, p): 410 "type : typestr" 411 p[0] = ast.TypeAST(self, p[1]) 412 413 def p_void(self, p): 414 "void : VOID" 415 p[0] = ast.TypeAST(self, p[1]) 416 417 def p_type_or_void(self, p): 418 """type_or_void : type 419 | void""" 420 p[0] = p[1] 421 422 # Formal Param 423 def p_params__many(self, p): 424 "params : param ',' params" 425 p[0] = [ p[1] ] + p[3] 426 427 def p_params__one(self, p): 428 "params : param" 429 p[0] = [ p[1] ] 430 431 def p_params__none(self, p): 432 "params : empty" 433 p[0] = [] 434 435 def p_param(self, p): 436 "param : type ident" 437 p[0] = ast.FormalParamAST(self, p[1], p[2]) 438 439 def p_param__pointer(self, p): 440 "param : type STAR ident" 441 p[0] = ast.FormalParamAST(self, p[1], p[3], None, True) 442 443 def p_param__pointer_default(self, p): 444 "param : type STAR ident '=' STRING" 445 p[0] = ast.FormalParamAST(self, p[1], p[3], p[5], True) 446 447 def p_param__default_number(self, p): 448 "param : type ident '=' NUMBER" 449 p[0] = ast.FormalParamAST(self, p[1], p[2], p[4]) 450 451 def p_param__default_bool(self, p): 452 "param : type ident '=' LIT_BOOL" 453 p[0] = ast.FormalParamAST(self, p[1], p[2], p[4]) 454 455 def p_param__default_string(self, p): 456 "param : type ident '=' STRING" 457 p[0] = ast.FormalParamAST(self, p[1], p[2], p[4]) 458 459 # Idents and lists 460 def p_idents__braced(self, p): 461 "idents : '{' identx '}'" 462 p[0] = p[2] 463 464 def p_idents__bare(self, p): 465 "idents : ident" 466 p[0] = [ p[1] ] 467 468 def p_identx__multiple_1(self, p): 469 """identx : ident SEMI identx 470 | ident ',' identx""" 471 p[0] = [ p[1] ] + p[3] 472 473 def p_identx__multiple_2(self, p): 474 "identx : ident identx" 475 p[0] = [ p[1] ] + p[2] 476 477 def p_identx__single(self, p): 478 "identx : empty" 479 p[0] = [ ] 480 481 def p_ident(self, p): 482 "ident : IDENT" 483 p[0] = p[1] 484 485 # Pair and pair lists 486 def p_pairs__list(self, p): 487 "pairs : ',' pairsx" 488 p[0] = p[2] 489 490 def p_pairs__empty(self, p): 491 "pairs : empty" 492 p[0] = ast.PairListAST(self) 493 494 def p_pairsx__many(self, p): 495 "pairsx : pair ',' pairsx" 496 p[0] = p[3] 497 p[0].addPair(p[1]) 498 499 def p_pairsx__one(self, p): 500 "pairsx : pair" 501 p[0] = ast.PairListAST(self) 502 p[0].addPair(p[1]) 503 504 def p_pair__assign(self, p): 505 """pair : ident '=' STRING 506 | ident '=' ident 507 | ident '=' NUMBER""" 508 p[0] = ast.PairAST(self, p[1], p[3]) 509 510 def p_pair__literal(self, p): 511 "pair : STRING" 512 p[0] = ast.PairAST(self, "short", p[1]) 513 514 # Below are the rules for action descriptions 515 def p_statements__inner(self, p): 516 "statements : '{' statements_inner '}'" 517 p[0] = ast.StatementListAST(self, p[2]) 518 519 def p_statements__none(self, p): 520 "statements : '{' '}'" 521 p[0] = ast.StatementListAST(self, []) 522 523 def p_statements_inner__many(self, p): 524 "statements_inner : statement statements_inner" 525 p[0] = [ p[1] ] + p[2] 526 527 def p_statements_inner__one(self, p): 528 "statements_inner : statement" 529 p[0] = [ p[1] ] 530 531 def p_exprs__multiple(self, p): 532 "exprs : expr ',' exprs" 533 p[0] = [ p[1] ] + p[3] 534 535 def p_exprs__one(self, p): 536 "exprs : expr" 537 p[0] = [ p[1] ] 538 539 def p_exprs__empty(self, p): 540 "exprs : empty""" 541 p[0] = [] 542 543 def p_statement__expression(self, p): 544 "statement : expr SEMI" 545 p[0] = ast.ExprStatementAST(self, p[1]) 546 547 def p_statement__assign(self, p): 548 "statement : expr ASSIGN expr SEMI" 549 p[0] = ast.AssignStatementAST(self, p[1], p[3]) 550 551 def p_statement__enqueue(self, p): 552 "statement : ENQUEUE '(' var ',' type pairs ')' statements" 553 p[0] = ast.EnqueueStatementAST(self, p[3], p[5], p[6], p[8]) 554 555 def p_statement__stall_and_wait(self, p): 556 "statement : STALL_AND_WAIT '(' var ',' var ')' SEMI" 557 p[0] = ast.StallAndWaitStatementAST(self, p[3], p[5]) 558 559 def p_statement__peek(self, p): 560 "statement : PEEK '(' var ',' type pairs ')' statements" 561 p[0] = ast.PeekStatementAST(self, p[3], p[5], p[6], p[8], "peek") 562 563 def p_statement__copy_head(self, p): 564 "statement : COPY_HEAD '(' var ',' var pairs ')' SEMI" 565 p[0] = ast.CopyHeadStatementAST(self, p[3], p[5], p[6]) 566 567 def p_statement__check_allocate(self, p): 568 "statement : CHECK_ALLOCATE '(' var ')' SEMI" 569 p[0] = ast.CheckAllocateStatementAST(self, p[3]) 570 571 def p_statement__check_stop(self, p): 572 "statement : CHECK_STOP_SLOTS '(' var ',' STRING ',' STRING ')' SEMI" 573 p[0] = ast.CheckStopStatementAST(self, p[3], p[5], p[7]) 574 575 def p_statement__static_cast(self, p): 576 "aexpr : STATIC_CAST '(' type ',' expr ')'" 577 p[0] = ast.StaticCastAST(self, p[3], "ref", p[5]) 578 579 def p_statement__static_cast_ptr(self, p): 580 "aexpr : STATIC_CAST '(' type ',' STRING ',' expr ')'" 581 p[0] = ast.StaticCastAST(self, p[3], p[5], p[7]) 582 583 def p_statement__return(self, p): 584 "statement : RETURN expr SEMI" 585 p[0] = ast.ReturnStatementAST(self, p[2]) 586 587 def p_statement__if(self, p): 588 "statement : if_statement" 589 p[0] = p[1] 590 591 def p_if_statement__if(self, p): 592 "if_statement : IF '(' expr ')' statements" 593 p[0] = ast.IfStatementAST(self, p[3], p[5], None) 594 595 def p_if_statement__if_else(self, p): 596 "if_statement : IF '(' expr ')' statements ELSE statements" 597 p[0] = ast.IfStatementAST(self, p[3], p[5], p[7]) 598 599 def p_statement__if_else_if(self, p): 600 "if_statement : IF '(' expr ')' statements ELSE if_statement" 601 p[0] = ast.IfStatementAST(self, p[3], p[5], 602 ast.StatementListAST(self, p[7])) 603 604 def p_expr__var(self, p): 605 "aexpr : var" 606 p[0] = p[1] 607 608 def p_expr__localvar(self, p): 609 "aexpr : type ident" 610 p[0] = ast.LocalVariableAST(self, p[1], p[2]) 611 612 def p_expr__literal(self, p): 613 "aexpr : literal" 614 p[0] = p[1] 615 616 def p_expr__enumeration(self, p): 617 "aexpr : enumeration" 618 p[0] = p[1] 619 620 def p_expr__func_call(self, p): 621 "aexpr : ident '(' exprs ')'" 622 p[0] = ast.FuncCallExprAST(self, p[1], p[3]) 623 624 def p_expr__new(self, p): 625 "aexpr : NEW type" 626 p[0] = ast.NewExprAST(self, p[2]) 627 628 def p_expr__null(self, p): 629 "aexpr : OOD" 630 p[0] = ast.OodAST(self) 631 632 # globally access a local chip component and call a method 633 def p_expr__local_chip_method(self, p): 634 "aexpr : THIS DOT var '[' expr ']' DOT var DOT ident '(' exprs ')'" 635 p[0] = ast.LocalChipMethodAST(self, p[3], p[5], p[8], p[10], p[12]) 636 637 # globally access a local chip component and access a data member 638 def p_expr__local_chip_member(self, p): 639 "aexpr : THIS DOT var '[' expr ']' DOT var DOT field" 640 p[0] = ast.LocalChipMemberAST(self, p[3], p[5], p[8], p[10]) 641 642 # globally access a specified chip component and call a method 643 def p_expr__specified_chip_method(self, p): 644 "aexpr : CHIP '[' expr ']' DOT var '[' expr ']' DOT var DOT ident '(' exprs ')'" 645 p[0] = ast.SpecifiedChipMethodAST(self, p[3], p[6], p[8], p[11], p[13], 646 p[15]) 647 648 # globally access a specified chip component and access a data member 649 def p_expr__specified_chip_member(self, p): 650 "aexpr : CHIP '[' expr ']' DOT var '[' expr ']' DOT var DOT field" 651 p[0] = ast.SpecifiedChipMemberAST(self, p[3], p[6], p[8], p[11], p[13]) 652 653 def p_expr__member(self, p): 654 "aexpr : aexpr DOT ident" 655 p[0] = ast.MemberExprAST(self, p[1], p[3]) 656 657 def p_expr__member_method_call(self, p): 658 "aexpr : aexpr DOT ident '(' exprs ')'" 659 p[0] = ast.MemberMethodCallExprAST(self, p[1], p[3], p[5]) 660 661 def p_expr__member_method_call_lookup(self, p): 662 "aexpr : aexpr '[' exprs ']'" 663 p[0] = ast.MemberMethodCallExprAST(self, p[1], "lookup", p[3]) 664 665 def p_expr__class_method_call(self, p): 666 "aexpr : type DOUBLE_COLON ident '(' exprs ')'" 667 p[0] = ast.ClassMethodCallExprAST(self, p[1], p[3], p[5]) 668 669 def p_expr__aexpr(self, p): 670 "expr : aexpr" 671 p[0] = p[1] 672 673 def p_expr__binary_op(self, p): 674 """expr : expr STAR expr 675 | expr SLASH expr 676 | expr PLUS expr 677 | expr DASH expr 678 | expr LT expr 679 | expr GT expr 680 | expr LE expr 681 | expr GE expr 682 | expr EQ expr 683 | expr NE expr 684 | expr AND expr 685 | expr OR expr 686 | expr RIGHTSHIFT expr 687 | expr LEFTSHIFT expr""" 688 p[0] = ast.InfixOperatorExprAST(self, p[1], p[2], p[3]) 689 690 # FIXME - unary not 691 def p_expr__unary_op(self, p): 692 """expr : NOT expr 693 | DASH expr %prec UMINUS""" 694 p[0] = PrefixOperatorExpr(p[1], p[2]) 695 696 def p_expr__parens(self, p): 697 "aexpr : '(' expr ')'" 698 p[0] = p[2] 699 700 def p_expr__is_valid_ptr(self, p): 701 "aexpr : IS_VALID '(' var ')'" 702 p[0] = ast.IsValidPtrExprAST(self, p[3], True) 703 704 def p_expr__is_invalid_ptr(self, p): 705 "aexpr : IS_INVALID '(' var ')'" 706 p[0] = ast.IsValidPtrExprAST(self, p[3], False) 707 708 def p_literal__string(self, p): 709 "literal : STRING" 710 p[0] = ast.LiteralExprAST(self, p[1], "std::string") 711 712 def p_literal__number(self, p): 713 "literal : NUMBER" 714 p[0] = ast.LiteralExprAST(self, p[1], "int") 715 716 def p_literal__float(self, p): 717 "literal : FLOATNUMBER" 718 p[0] = ast.LiteralExprAST(self, p[1], "int") 719 720 def p_literal__bool(self, p): 721 "literal : LIT_BOOL" 722 p[0] = ast.LiteralExprAST(self, p[1], "bool") 723 724 def p_enumeration(self, p): 725 "enumeration : ident ':' ident" 726 p[0] = ast.EnumExprAST(self, ast.TypeAST(self, p[1]), p[3]) 727 728 def p_var(self, p): 729 "var : ident" 730 p[0] = ast.VarExprAST(self, p[1]) 731 732 def p_field(self, p): 733 "field : ident" 734 p[0] = p[1] 735