parser.py revision 7839:9e556fb25900
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, TokenError, 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 super(SLICC, self).__init__(**kwargs) 56 self.decl_list_vec = [] 57 self.current_file = None 58 self.protocol = protocol 59 self.symtab = SymbolTable(self) 60 61 def codeFormatter(self, *args, **kwargs): 62 code = code_formatter(*args, **kwargs) 63 code['protocol'] = self.protocol 64 return code 65 66 def parse(self, filename): 67 self.current_file = filename 68 f = file(filename, 'r') 69 text = f.read() 70 try: 71 decl_list = super(SLICC, self).parse(text) 72 except (TokenError, ParseError), e: 73 sys.exit("%s: %s:%d" % (e, filename, e.token.lineno)) 74 self.decl_list_vec.append(decl_list) 75 self.current_file = None 76 77 def _load(self, *filenames): 78 filenames = list(filenames) 79 while filenames: 80 f = filenames.pop(0) 81 if isinstance(f, (list, tuple)): 82 filenames[0:0] = list(f) 83 continue 84 85 yield f 86 if f.endswith(".slicc"): 87 dirname,basename = os.path.split(f) 88 filenames[0:0] = [ os.path.join(dirname, x) \ 89 for x in read_slicc(f)] 90 else: 91 assert f.endswith(".sm") 92 self.parse(f) 93 94 def load(self, *filenames, **kwargs): 95 verbose = kwargs.pop("verbose", False) 96 if kwargs: 97 raise TypeError 98 99 gen = self._load(*filenames) 100 if verbose: 101 return gen 102 else: 103 # Run out the generator if we don't want the verbosity 104 for foo in gen: 105 pass 106 107 def findMachines(self): 108 for decl_list in self.decl_list_vec: 109 decl_list.findMachines() 110 111 def generate(self): 112 for decl_list in self.decl_list_vec: 113 decl_list.generate() 114 115 def writeCodeFiles(self, code_path): 116 util.makeDir(code_path) 117 self.symtab.writeCodeFiles(code_path) 118 119 def writeHTMLFiles(self, code_path): 120 util.makeDir(code_path) 121 self.symtab.writeHTMLFiles(code_path) 122 123 def files(self): 124 f = set([ 125 'MachineType.cc', 126 'MachineType.hh', 127 'Types.hh' ]) 128 129 for decl_list in self.decl_list_vec: 130 f |= decl_list.files() 131 132 return f 133 134 t_ignore = '\t ' 135 136 # C or C++ comment (ignore) 137 def t_c_comment(self, t): 138 r'/\*(.|\n)*?\*/' 139 t.lexer.lineno += t.value.count('\n') 140 141 def t_cpp_comment(self, t): 142 r'//.*' 143 144 # Define a rule so we can track line numbers 145 def t_newline(self, t): 146 r'\n+' 147 t.lexer.lineno += len(t.value) 148 149 reserved = { 150 'global' : 'GLOBAL', 151 'machine' : 'MACHINE', 152 'in_port' : 'IN_PORT', 153 'out_port' : 'OUT_PORT', 154 'action' : 'ACTION', 155 'transition' : 'TRANS', 156 'structure' : 'STRUCT', 157 'external_type' : 'EXTERN_TYPE', 158 'enumeration' : 'ENUM', 159 'peek' : 'PEEK', 160 'stall_and_wait' : 'STALL_AND_WAIT', 161 'wake_up_dependents' : 'WAKE_UP_DEPENDENTS', 162 'enqueue' : 'ENQUEUE', 163 'copy_head' : 'COPY_HEAD', 164 'check_allocate' : 'CHECK_ALLOCATE', 165 'check_stop_slots' : 'CHECK_STOP_SLOTS', 166 'static_cast' : 'STATIC_CAST', 167 'if' : 'IF', 168 'is_valid' : 'IS_VALID', 169 'is_invalid' : 'IS_INVALID', 170 'else' : 'ELSE', 171 'return' : 'RETURN', 172 'THIS' : 'THIS', 173 'CHIP' : 'CHIP', 174 'void' : 'VOID', 175 'new' : 'NEW', 176 'OOD' : 'OOD', 177 } 178 179 literals = ':[]{}(),=' 180 181 tokens = [ 'EQ', 'NE', 'LT', 'GT', 'LE', 'GE', 182 'LEFTSHIFT', 'RIGHTSHIFT', 183 'NOT', 'AND', 'OR', 184 'PLUS', 'DASH', 'STAR', 'SLASH', 185 'DOUBLE_COLON', 'SEMI', 186 'ASSIGN', 'DOT', 187 'IDENT', 'LIT_BOOL', 'FLOATNUMBER', 'NUMBER', 'STRING' ] 188 tokens += reserved.values() 189 190 t_EQ = r'==' 191 t_NE = r'!=' 192 t_LT = r'<' 193 t_GT = r'>' 194 t_LE = r'<=' 195 t_GE = r'>=' 196 t_LEFTSHIFT = r'<<' 197 t_RIGHTSHIFT = r'>>' 198 t_NOT = r'!' 199 t_AND = r'&&' 200 t_OR = r'\|\|' 201 t_PLUS = r'\+' 202 t_DASH = r'-' 203 t_STAR = r'\*' 204 t_SLASH = r'/' 205 t_DOUBLE_COLON = r'::' 206 t_SEMI = r';' 207 t_ASSIGN = r':=' 208 t_DOT = r'\.' 209 210 precedence = ( 211 ('left', 'AND', 'OR'), 212 ('left', 'EQ', 'NE'), 213 ('left', 'LT', 'GT', 'LE', 'GE'), 214 ('left', 'RIGHTSHIFT', 'LEFTSHIFT'), 215 ('left', 'PLUS', 'DASH'), 216 ('left', 'STAR', 'SLASH'), 217 ('right', 'NOT', 'UMINUS'), 218 ) 219 220 def t_IDENT(self, t): 221 r'[a-zA-Z_][a-zA-Z_0-9]*' 222 if t.value == 'true': 223 t.type = 'LIT_BOOL' 224 t.value = True 225 return t 226 227 if t.value == 'false': 228 t.type = 'LIT_BOOL' 229 t.value = False 230 return t 231 232 # Check for reserved words 233 t.type = self.reserved.get(t.value, 'IDENT') 234 return t 235 236 def t_FLOATNUMBER(self, t): 237 '[0-9]+[.][0-9]+' 238 try: 239 t.value = float(t.value) 240 except ValueError: 241 raise TokenError("Illegal float", t) 242 return t 243 244 def t_NUMBER(self, t): 245 r'[0-9]+' 246 try: 247 t.value = int(t.value) 248 except ValueError: 249 raise TokenError("Illegal number", t) 250 return t 251 252 def t_STRING1(self, t): 253 r'\"[^"\n]*\"' 254 t.type = 'STRING' 255 t.value = t.value[1:-1] 256 return t 257 258 def t_STRING2(self, t): 259 r"\'[^'\n]*\'" 260 t.type = 'STRING' 261 t.value = t.value[1:-1] 262 return t 263 264 def p_file(self, p): 265 "file : decls" 266 p[0] = p[1] 267 268 def p_empty(self, p): 269 "empty :" 270 271 def p_decls(self, p): 272 "decls : declsx" 273 p[0] = ast.DeclListAST(self, p[1]) 274 275 def p_declsx__list(self, p): 276 "declsx : decl declsx" 277 p[0] = [ p[1] ] + p[2] 278 279 def p_declsx__none(self, p): 280 "declsx : empty" 281 p[0] = [] 282 283 def p_decl__machine(self, p): 284 "decl : MACHINE '(' ident pairs ')' ':' params '{' decls '}'" 285 p[0] = ast.MachineAST(self, p[3], p[4], p[7], p[9]) 286 287 def p_decl__action(self, p): 288 "decl : ACTION '(' ident pairs ')' statements" 289 p[0] = ast.ActionDeclAST(self, p[3], p[4], p[6]) 290 291 def p_decl__in_port(self, p): 292 "decl : IN_PORT '(' ident ',' type ',' var pairs ')' statements" 293 p[0] = ast.InPortDeclAST(self, p[3], p[5], p[7], p[8], p[10]) 294 295 def p_decl__out_port(self, p): 296 "decl : OUT_PORT '(' ident ',' type ',' var pairs ')' SEMI" 297 p[0] = ast.OutPortDeclAST(self, p[3], p[5], p[7], p[8]) 298 299 def p_decl__trans0(self, p): 300 "decl : TRANS '(' idents ',' idents ',' ident pairs ')' idents" 301 p[0] = ast.TransitionDeclAST(self, p[3], p[5], p[7], p[8], p[10]) 302 303 def p_decl__trans1(self, p): 304 "decl : TRANS '(' idents ',' idents pairs ')' idents" 305 p[0] = ast.TransitionDeclAST(self, p[3], p[5], None, p[6], p[8]) 306 307 def p_decl__extern0(self, p): 308 "decl : EXTERN_TYPE '(' type pairs ')' SEMI" 309 p[4]["external"] = "yes" 310 p[0] = ast.TypeDeclAST(self, p[3], p[4], []) 311 312 def p_decl__extern1(self, p): 313 "decl : EXTERN_TYPE '(' type pairs ')' '{' type_methods '}'" 314 p[4]["external"] = "yes" 315 p[0] = ast.TypeDeclAST(self, p[3], p[4], p[7]) 316 317 def p_decl__global(self, p): 318 "decl : GLOBAL '(' type pairs ')' '{' type_members '}'" 319 p[4]["global"] = "yes" 320 p[0] = ast.TypeDeclAST(self, p[3], p[4], p[7]) 321 322 def p_decl__struct(self, p): 323 "decl : STRUCT '(' type pairs ')' '{' type_members '}'" 324 p[0] = ast.TypeDeclAST(self, p[3], p[4], p[7]) 325 326 def p_decl__enum(self, p): 327 "decl : ENUM '(' type pairs ')' '{' type_enums '}'" 328 p[4]["enumeration"] = "yes" 329 p[0] = ast.EnumDeclAST(self, p[3], p[4], p[7]) 330 331 def p_decl__object(self, p): 332 "decl : type ident pairs SEMI" 333 p[0] = ast.ObjDeclAST(self, p[1], p[2], p[3]) 334 335 def p_decl__func_decl(self, p): 336 """decl : void ident '(' params ')' pairs SEMI 337 | type ident '(' params ')' pairs SEMI""" 338 p[0] = ast.FuncDeclAST(self, p[1], p[2], p[4], p[6], None) 339 340 def p_decl__func_def(self, p): 341 """decl : void ident '(' params ')' pairs statements 342 | type ident '(' params ')' pairs statements""" 343 p[0] = ast.FuncDeclAST(self, p[1], p[2], p[4], p[6], p[7]) 344 345 # Type fields 346 def p_type_members__list(self, p): 347 "type_members : type_member type_members" 348 p[0] = [ p[1] ] + p[2] 349 350 def p_type_members__empty(self, p): 351 "type_members : empty" 352 p[0] = [] 353 354 def p_type_member__1(self, p): 355 "type_member : type ident pairs SEMI" 356 p[0] = ast.TypeFieldMemberAST(self, p[1], p[2], p[3], None) 357 358 def p_type_member__2(self, p): 359 "type_member : type ident ASSIGN expr SEMI" 360 p[0] = ast.TypeFieldMemberAST(self, p[1], p[2], 361 ast.PairListAST(self), p[4]) 362 363 # Methods 364 def p_type_methods__list(self, p): 365 "type_methods : type_method type_methods" 366 p[0] = [ p[1] ] + p[2] 367 368 def p_type_methods(self, p): 369 "type_methods : empty" 370 p[0] = [] 371 372 def p_type_method(self, p): 373 "type_method : type_or_void ident '(' types ')' pairs SEMI" 374 p[0] = ast.TypeFieldMethodAST(self, p[1], p[2], p[4], p[6]) 375 376 # Enum fields 377 def p_type_enums__list(self, p): 378 "type_enums : type_enum type_enums" 379 p[0] = [ p[1] ] + p[2] 380 381 def p_type_enums__empty(self, p): 382 "type_enums : empty" 383 p[0] = [] 384 385 def p_type_enum(self, p): 386 "type_enum : ident pairs SEMI" 387 p[0] = ast.TypeFieldEnumAST(self, p[1], p[2]) 388 389 # Type 390 def p_types__multiple(self, p): 391 "types : type ',' types" 392 p[0] = [ p[1] ] + p[3] 393 394 def p_types__one(self, p): 395 "types : type" 396 p[0] = [ p[1] ] 397 398 def p_types__empty(self, p): 399 "types : empty" 400 p[0] = [] 401 402 def p_typestr__multi(self, p): 403 "typestr : typestr DOUBLE_COLON ident" 404 p[0] = '%s::%s' % (p[1], p[3]) 405 406 def p_typestr__single(self, p): 407 "typestr : ident" 408 p[0] = p[1] 409 410 def p_type__one(self, p): 411 "type : typestr" 412 p[0] = ast.TypeAST(self, p[1]) 413 414 def p_void(self, p): 415 "void : VOID" 416 p[0] = ast.TypeAST(self, p[1]) 417 418 def p_type_or_void(self, p): 419 """type_or_void : type 420 | void""" 421 p[0] = p[1] 422 423 # Formal Param 424 def p_params__many(self, p): 425 "params : param ',' params" 426 p[0] = [ p[1] ] + p[3] 427 428 def p_params__one(self, p): 429 "params : param" 430 p[0] = [ p[1] ] 431 432 def p_params__none(self, p): 433 "params : empty" 434 p[0] = [] 435 436 def p_param(self, p): 437 "param : type ident" 438 p[0] = ast.FormalParamAST(self, p[1], p[2]) 439 440 def p_param__pointer(self, p): 441 "param : type STAR ident" 442 p[0] = ast.FormalParamAST(self, p[1], p[3], None, True) 443 444 def p_param__pointer_default(self, p): 445 "param : type STAR ident '=' STRING" 446 p[0] = ast.FormalParamAST(self, p[1], p[3], p[5], True) 447 448 def p_param__default_number(self, p): 449 "param : type ident '=' NUMBER" 450 p[0] = ast.FormalParamAST(self, p[1], p[2], p[4]) 451 452 def p_param__default_bool(self, p): 453 "param : type ident '=' LIT_BOOL" 454 p[0] = ast.FormalParamAST(self, p[1], p[2], p[4]) 455 456 def p_param__default_string(self, p): 457 "param : type ident '=' STRING" 458 p[0] = ast.FormalParamAST(self, p[1], p[2], p[4]) 459 460 # Idents and lists 461 def p_idents__braced(self, p): 462 "idents : '{' identx '}'" 463 p[0] = p[2] 464 465 def p_idents__bare(self, p): 466 "idents : ident" 467 p[0] = [ p[1] ] 468 469 def p_identx__multiple_1(self, p): 470 """identx : ident SEMI identx 471 | ident ',' identx""" 472 p[0] = [ p[1] ] + p[3] 473 474 def p_identx__multiple_2(self, p): 475 "identx : ident identx" 476 p[0] = [ p[1] ] + p[2] 477 478 def p_identx__single(self, p): 479 "identx : empty" 480 p[0] = [ ] 481 482 def p_ident(self, p): 483 "ident : IDENT" 484 p[0] = p[1] 485 486 # Pair and pair lists 487 def p_pairs__list(self, p): 488 "pairs : ',' pairsx" 489 p[0] = p[2] 490 491 def p_pairs__empty(self, p): 492 "pairs : empty" 493 p[0] = ast.PairListAST(self) 494 495 def p_pairsx__many(self, p): 496 "pairsx : pair ',' pairsx" 497 p[0] = p[3] 498 p[0].addPair(p[1]) 499 500 def p_pairsx__one(self, p): 501 "pairsx : pair" 502 p[0] = ast.PairListAST(self) 503 p[0].addPair(p[1]) 504 505 def p_pair__assign(self, p): 506 """pair : ident '=' STRING 507 | ident '=' ident 508 | ident '=' NUMBER""" 509 p[0] = ast.PairAST(self, p[1], p[3]) 510 511 def p_pair__literal(self, p): 512 "pair : STRING" 513 p[0] = ast.PairAST(self, "short", p[1]) 514 515 # Below are the rules for action descriptions 516 def p_statements__inner(self, p): 517 "statements : '{' statements_inner '}'" 518 p[0] = ast.StatementListAST(self, p[2]) 519 520 def p_statements__none(self, p): 521 "statements : '{' '}'" 522 p[0] = ast.StatementListAST(self, []) 523 524 def p_statements_inner__many(self, p): 525 "statements_inner : statement statements_inner" 526 p[0] = [ p[1] ] + p[2] 527 528 def p_statements_inner__one(self, p): 529 "statements_inner : statement" 530 p[0] = [ p[1] ] 531 532 def p_exprs__multiple(self, p): 533 "exprs : expr ',' exprs" 534 p[0] = [ p[1] ] + p[3] 535 536 def p_exprs__one(self, p): 537 "exprs : expr" 538 p[0] = [ p[1] ] 539 540 def p_exprs__empty(self, p): 541 "exprs : empty""" 542 p[0] = [] 543 544 def p_statement__expression(self, p): 545 "statement : expr SEMI" 546 p[0] = ast.ExprStatementAST(self, p[1]) 547 548 def p_statement__assign(self, p): 549 "statement : expr ASSIGN expr SEMI" 550 p[0] = ast.AssignStatementAST(self, p[1], p[3]) 551 552 def p_statement__enqueue(self, p): 553 "statement : ENQUEUE '(' var ',' type pairs ')' statements" 554 p[0] = ast.EnqueueStatementAST(self, p[3], p[5], p[6], p[8]) 555 556 def p_statement__stall_and_wait(self, p): 557 "statement : STALL_AND_WAIT '(' var ',' var ')' SEMI" 558 p[0] = ast.StallAndWaitStatementAST(self, p[3], p[5]) 559 560 def p_statement__wake_up_dependents(self, p): 561 "statement : WAKE_UP_DEPENDENTS '(' var ')' SEMI" 562 p[0] = ast.WakeUpDependentsStatementAST(self, p[3]) 563 564 def p_statement__peek(self, p): 565 "statement : PEEK '(' var ',' type pairs ')' statements" 566 p[0] = ast.PeekStatementAST(self, p[3], p[5], p[6], p[8], "peek") 567 568 def p_statement__copy_head(self, p): 569 "statement : COPY_HEAD '(' var ',' var pairs ')' SEMI" 570 p[0] = ast.CopyHeadStatementAST(self, p[3], p[5], p[6]) 571 572 def p_statement__check_allocate(self, p): 573 "statement : CHECK_ALLOCATE '(' var ')' SEMI" 574 p[0] = ast.CheckAllocateStatementAST(self, p[3]) 575 576 def p_statement__check_stop(self, p): 577 "statement : CHECK_STOP_SLOTS '(' var ',' STRING ',' STRING ')' SEMI" 578 p[0] = ast.CheckStopStatementAST(self, p[3], p[5], p[7]) 579 580 def p_statement__static_cast(self, p): 581 "aexpr : STATIC_CAST '(' type ',' expr ')'" 582 p[0] = ast.StaticCastAST(self, p[3], "ref", p[5]) 583 584 def p_statement__static_cast_ptr(self, p): 585 "aexpr : STATIC_CAST '(' type ',' STRING ',' expr ')'" 586 p[0] = ast.StaticCastAST(self, p[3], p[5], p[7]) 587 588 def p_statement__return(self, p): 589 "statement : RETURN expr SEMI" 590 p[0] = ast.ReturnStatementAST(self, p[2]) 591 592 def p_statement__if(self, p): 593 "statement : if_statement" 594 p[0] = p[1] 595 596 def p_if_statement__if(self, p): 597 "if_statement : IF '(' expr ')' statements" 598 p[0] = ast.IfStatementAST(self, p[3], p[5], None) 599 600 def p_if_statement__if_else(self, p): 601 "if_statement : IF '(' expr ')' statements ELSE statements" 602 p[0] = ast.IfStatementAST(self, p[3], p[5], p[7]) 603 604 def p_statement__if_else_if(self, p): 605 "if_statement : IF '(' expr ')' statements ELSE if_statement" 606 p[0] = ast.IfStatementAST(self, p[3], p[5], 607 ast.StatementListAST(self, p[7])) 608 609 def p_expr__var(self, p): 610 "aexpr : var" 611 p[0] = p[1] 612 613 def p_expr__localvar(self, p): 614 "aexpr : type ident" 615 p[0] = ast.LocalVariableAST(self, p[1], p[2]) 616 617 def p_expr__literal(self, p): 618 "aexpr : literal" 619 p[0] = p[1] 620 621 def p_expr__enumeration(self, p): 622 "aexpr : enumeration" 623 p[0] = p[1] 624 625 def p_expr__func_call(self, p): 626 "aexpr : ident '(' exprs ')'" 627 p[0] = ast.FuncCallExprAST(self, p[1], p[3]) 628 629 def p_expr__new(self, p): 630 "aexpr : NEW type" 631 p[0] = ast.NewExprAST(self, p[2]) 632 633 def p_expr__null(self, p): 634 "aexpr : OOD" 635 p[0] = ast.OodAST(self) 636 637 # globally access a local chip component and call a method 638 def p_expr__local_chip_method(self, p): 639 "aexpr : THIS DOT var '[' expr ']' DOT var DOT ident '(' exprs ')'" 640 p[0] = ast.LocalChipMethodAST(self, p[3], p[5], p[8], p[10], p[12]) 641 642 # globally access a local chip component and access a data member 643 def p_expr__local_chip_member(self, p): 644 "aexpr : THIS DOT var '[' expr ']' DOT var DOT field" 645 p[0] = ast.LocalChipMemberAST(self, p[3], p[5], p[8], p[10]) 646 647 # globally access a specified chip component and call a method 648 def p_expr__specified_chip_method(self, p): 649 "aexpr : CHIP '[' expr ']' DOT var '[' expr ']' DOT var DOT ident '(' exprs ')'" 650 p[0] = ast.SpecifiedChipMethodAST(self, p[3], p[6], p[8], p[11], p[13], 651 p[15]) 652 653 # globally access a specified chip component and access a data member 654 def p_expr__specified_chip_member(self, p): 655 "aexpr : CHIP '[' expr ']' DOT var '[' expr ']' DOT var DOT field" 656 p[0] = ast.SpecifiedChipMemberAST(self, p[3], p[6], p[8], p[11], p[13]) 657 658 def p_expr__member(self, p): 659 "aexpr : aexpr DOT ident" 660 p[0] = ast.MemberExprAST(self, p[1], p[3]) 661 662 def p_expr__member_method_call(self, p): 663 "aexpr : aexpr DOT ident '(' exprs ')'" 664 p[0] = ast.MemberMethodCallExprAST(self, p[1], p[3], p[5]) 665 666 def p_expr__member_method_call_lookup(self, p): 667 "aexpr : aexpr '[' exprs ']'" 668 p[0] = ast.MemberMethodCallExprAST(self, p[1], "lookup", p[3]) 669 670 def p_expr__class_method_call(self, p): 671 "aexpr : type DOUBLE_COLON ident '(' exprs ')'" 672 p[0] = ast.ClassMethodCallExprAST(self, p[1], p[3], p[5]) 673 674 def p_expr__aexpr(self, p): 675 "expr : aexpr" 676 p[0] = p[1] 677 678 def p_expr__binary_op(self, p): 679 """expr : expr STAR expr 680 | expr SLASH expr 681 | expr PLUS expr 682 | expr DASH expr 683 | expr LT expr 684 | expr GT expr 685 | expr LE expr 686 | expr GE expr 687 | expr EQ expr 688 | expr NE expr 689 | expr AND expr 690 | expr OR expr 691 | expr RIGHTSHIFT expr 692 | expr LEFTSHIFT expr""" 693 p[0] = ast.InfixOperatorExprAST(self, p[1], p[2], p[3]) 694 695 # FIXME - unary not 696 def p_expr__unary_op(self, p): 697 """expr : NOT expr 698 | DASH expr %prec UMINUS""" 699 p[0] = PrefixOperatorExpr(p[1], p[2]) 700 701 def p_expr__parens(self, p): 702 "aexpr : '(' expr ')'" 703 p[0] = p[2] 704 705 def p_expr__is_valid_ptr(self, p): 706 "aexpr : IS_VALID '(' var ')'" 707 p[0] = ast.IsValidPtrExprAST(self, p[3], True) 708 709 def p_expr__is_invalid_ptr(self, p): 710 "aexpr : IS_INVALID '(' var ')'" 711 p[0] = ast.IsValidPtrExprAST(self, p[3], False) 712 713 def p_literal__string(self, p): 714 "literal : STRING" 715 p[0] = ast.LiteralExprAST(self, p[1], "std::string") 716 717 def p_literal__number(self, p): 718 "literal : NUMBER" 719 p[0] = ast.LiteralExprAST(self, p[1], "int") 720 721 def p_literal__float(self, p): 722 "literal : FLOATNUMBER" 723 p[0] = ast.LiteralExprAST(self, p[1], "int") 724 725 def p_literal__bool(self, p): 726 "literal : LIT_BOOL" 727 p[0] = ast.LiteralExprAST(self, p[1], "bool") 728 729 def p_enumeration(self, p): 730 "enumeration : ident ':' ident" 731 p[0] = ast.EnumExprAST(self, ast.TypeAST(self, p[1]), p[3]) 732 733 def p_var(self, p): 734 "var : ident" 735 p[0] = ast.VarExprAST(self, p[1]) 736 737 def p_field(self, p): 738 "field : ident" 739 p[0] = p[1] 740