parser.py revision 8453:82fc1267d3bb
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, verbose=False): 55 self.decl_list_vec = [] 56 self.protocol = protocol 57 self.verbose = verbose 58 self.symtab = SymbolTable(self) 59 60 def currentLocation(self): 61 return util.Location(self.current_source, self.current_line, 62 no_warning=not self.verbose) 63 64 def codeFormatter(self, *args, **kwargs): 65 code = code_formatter(*args, **kwargs) 66 code['protocol'] = self.protocol 67 return code 68 69 def parse(self, filename): 70 try: 71 decl_list = self.parse_file(filename) 72 except ParseError, e: 73 sys.exit(str(e)) 74 self.decl_list_vec.append(decl_list) 75 76 def load(self, filenames): 77 filenames = list(filenames) 78 while filenames: 79 f = filenames.pop(0) 80 if isinstance(f, (list, tuple)): 81 filenames[0:0] = list(f) 82 continue 83 84 if f.endswith(".slicc"): 85 dirname,basename = os.path.split(f) 86 filenames[0:0] = [ os.path.join(dirname, x) \ 87 for x in read_slicc(f)] 88 else: 89 assert f.endswith(".sm") 90 self.parse(f) 91 92 def process(self): 93 for decl_list in self.decl_list_vec: 94 decl_list.findMachines() 95 96 for decl_list in self.decl_list_vec: 97 decl_list.generate() 98 99 def writeCodeFiles(self, code_path): 100 self.symtab.writeCodeFiles(code_path) 101 102 def writeHTMLFiles(self, html_path): 103 self.symtab.writeHTMLFiles(html_path) 104 105 def files(self): 106 f = set([ 107 'MachineType.cc', 108 'MachineType.hh', 109 'Types.hh' ]) 110 111 for decl_list in self.decl_list_vec: 112 f |= decl_list.files() 113 114 return f 115 116 t_ignore = '\t ' 117 118 # C or C++ comment (ignore) 119 def t_c_comment(self, t): 120 r'/\*(.|\n)*?\*/' 121 t.lexer.lineno += t.value.count('\n') 122 123 def t_cpp_comment(self, t): 124 r'//.*' 125 126 # Define a rule so we can track line numbers 127 def t_newline(self, t): 128 r'\n+' 129 t.lexer.lineno += len(t.value) 130 131 reserved = { 132 'global' : 'GLOBAL', 133 'machine' : 'MACHINE', 134 'in_port' : 'IN_PORT', 135 'out_port' : 'OUT_PORT', 136 'action' : 'ACTION', 137 'transition' : 'TRANS', 138 'structure' : 'STRUCT', 139 'external_type' : 'EXTERN_TYPE', 140 'enumeration' : 'ENUM', 141 'state_declaration' : 'STATE_DECL', 142 'peek' : 'PEEK', 143 'stall_and_wait' : 'STALL_AND_WAIT', 144 'enqueue' : 'ENQUEUE', 145 'copy_head' : 'COPY_HEAD', 146 'check_allocate' : 'CHECK_ALLOCATE', 147 'check_stop_slots' : 'CHECK_STOP_SLOTS', 148 'static_cast' : 'STATIC_CAST', 149 'if' : 'IF', 150 'is_valid' : 'IS_VALID', 151 'is_invalid' : 'IS_INVALID', 152 'else' : 'ELSE', 153 'return' : 'RETURN', 154 'THIS' : 'THIS', 155 'CHIP' : 'CHIP', 156 'void' : 'VOID', 157 'new' : 'NEW', 158 'OOD' : 'OOD', 159 } 160 161 literals = ':[]{}(),=' 162 163 tokens = [ 'EQ', 'NE', 'LT', 'GT', 'LE', 'GE', 164 'LEFTSHIFT', 'RIGHTSHIFT', 165 'NOT', 'AND', 'OR', 166 'PLUS', 'DASH', 'STAR', 'SLASH', 167 'DOUBLE_COLON', 'SEMI', 168 'ASSIGN', 'DOT', 169 'IDENT', 'LIT_BOOL', 'FLOATNUMBER', 'NUMBER', 'STRING' ] 170 tokens += reserved.values() 171 172 t_EQ = r'==' 173 t_NE = r'!=' 174 t_LT = r'<' 175 t_GT = r'>' 176 t_LE = r'<=' 177 t_GE = r'>=' 178 t_LEFTSHIFT = r'<<' 179 t_RIGHTSHIFT = r'>>' 180 t_NOT = r'!' 181 t_AND = r'&&' 182 t_OR = r'\|\|' 183 t_PLUS = r'\+' 184 t_DASH = r'-' 185 t_STAR = r'\*' 186 t_SLASH = r'/' 187 t_DOUBLE_COLON = r'::' 188 t_SEMI = r';' 189 t_ASSIGN = r':=' 190 t_DOT = r'\.' 191 192 precedence = ( 193 ('left', 'AND', 'OR'), 194 ('left', 'EQ', 'NE'), 195 ('left', 'LT', 'GT', 'LE', 'GE'), 196 ('left', 'RIGHTSHIFT', 'LEFTSHIFT'), 197 ('left', 'PLUS', 'DASH'), 198 ('left', 'STAR', 'SLASH'), 199 ('right', 'NOT', 'UMINUS'), 200 ) 201 202 def t_IDENT(self, t): 203 r'[a-zA-Z_][a-zA-Z_0-9]*' 204 if t.value == 'true': 205 t.type = 'LIT_BOOL' 206 t.value = True 207 return t 208 209 if t.value == 'false': 210 t.type = 'LIT_BOOL' 211 t.value = False 212 return t 213 214 # Check for reserved words 215 t.type = self.reserved.get(t.value, 'IDENT') 216 return t 217 218 def t_FLOATNUMBER(self, t): 219 '[0-9]+[.][0-9]+' 220 try: 221 t.value = float(t.value) 222 except ValueError: 223 raise ParseError("Illegal float", t) 224 return t 225 226 def t_NUMBER(self, t): 227 r'[0-9]+' 228 try: 229 t.value = int(t.value) 230 except ValueError: 231 raise ParseError("Illegal number", t) 232 return t 233 234 def t_STRING1(self, t): 235 r'\"[^"\n]*\"' 236 t.type = 'STRING' 237 t.value = t.value[1:-1] 238 return t 239 240 def t_STRING2(self, t): 241 r"\'[^'\n]*\'" 242 t.type = 'STRING' 243 t.value = t.value[1:-1] 244 return t 245 246 def p_file(self, p): 247 "file : decls" 248 p[0] = p[1] 249 250 def p_empty(self, p): 251 "empty :" 252 253 def p_decls(self, p): 254 "decls : declsx" 255 p[0] = ast.DeclListAST(self, p[1]) 256 257 def p_declsx__list(self, p): 258 "declsx : decl declsx" 259 p[0] = [ p[1] ] + p[2] 260 261 def p_declsx__none(self, p): 262 "declsx : empty" 263 p[0] = [] 264 265 def p_decl__machine(self, p): 266 "decl : MACHINE '(' ident pairs ')' ':' params '{' decls '}'" 267 p[0] = ast.MachineAST(self, p[3], p[4], p[7], p[9]) 268 269 def p_decl__action(self, p): 270 "decl : ACTION '(' ident pairs ')' statements" 271 p[0] = ast.ActionDeclAST(self, p[3], p[4], p[6]) 272 273 def p_decl__in_port(self, p): 274 "decl : IN_PORT '(' ident ',' type ',' var pairs ')' statements" 275 p[0] = ast.InPortDeclAST(self, p[3], p[5], p[7], p[8], p[10]) 276 277 def p_decl__out_port(self, p): 278 "decl : OUT_PORT '(' ident ',' type ',' var pairs ')' SEMI" 279 p[0] = ast.OutPortDeclAST(self, p[3], p[5], p[7], p[8]) 280 281 def p_decl__trans0(self, p): 282 "decl : TRANS '(' idents ',' idents ',' ident pairs ')' idents" 283 p[0] = ast.TransitionDeclAST(self, p[3], p[5], p[7], p[8], p[10]) 284 285 def p_decl__trans1(self, p): 286 "decl : TRANS '(' idents ',' idents pairs ')' idents" 287 p[0] = ast.TransitionDeclAST(self, p[3], p[5], None, p[6], p[8]) 288 289 def p_decl__extern0(self, p): 290 "decl : EXTERN_TYPE '(' type pairs ')' SEMI" 291 p[4]["external"] = "yes" 292 p[0] = ast.TypeDeclAST(self, p[3], p[4], []) 293 294 def p_decl__global(self, p): 295 "decl : GLOBAL '(' type pairs ')' '{' type_members '}'" 296 p[4]["global"] = "yes" 297 p[0] = ast.TypeDeclAST(self, p[3], p[4], p[7]) 298 299 def p_decl__struct(self, p): 300 "decl : STRUCT '(' type pairs ')' '{' type_members '}'" 301 p[0] = ast.TypeDeclAST(self, p[3], p[4], p[7]) 302 303 def p_decl__enum(self, p): 304 "decl : ENUM '(' type pairs ')' '{' type_enums '}'" 305 p[4]["enumeration"] = "yes" 306 p[0] = ast.EnumDeclAST(self, p[3], p[4], p[7]) 307 308 def p_decl__state_decl(self, p): 309 "decl : STATE_DECL '(' type pairs ')' '{' type_states '}'" 310 p[4]["enumeration"] = "yes" 311 p[4]["state_decl"] = "yes" 312 p[0] = ast.StateDeclAST(self, p[3], p[4], p[7]) 313 314 def p_decl__object(self, p): 315 "decl : type ident pairs SEMI" 316 p[0] = ast.ObjDeclAST(self, p[1], p[2], p[3]) 317 318 def p_decl__func_decl(self, p): 319 """decl : void ident '(' params ')' pairs SEMI 320 | type ident '(' params ')' pairs SEMI""" 321 p[0] = ast.FuncDeclAST(self, p[1], p[2], p[4], p[6], None) 322 323 def p_decl__func_def(self, p): 324 """decl : void ident '(' params ')' pairs statements 325 | type ident '(' params ')' pairs statements""" 326 p[0] = ast.FuncDeclAST(self, p[1], p[2], p[4], p[6], p[7]) 327 328 # Type fields 329 def p_type_members__list(self, p): 330 "type_members : type_member type_members" 331 p[0] = [ p[1] ] + p[2] 332 333 def p_type_members__empty(self, p): 334 "type_members : empty" 335 p[0] = [] 336 337 def p_type_method__0(self, p): 338 "type_member : type_or_void ident '(' types ')' pairs SEMI" 339 p[0] = ast.TypeFieldMethodAST(self, p[1], p[2], p[4], p[6]) 340 341 def p_type_member__1(self, p): 342 "type_member : type_or_void ident pairs SEMI" 343 p[0] = ast.TypeFieldMemberAST(self, p[1], p[2], p[3], None) 344 345 def p_type_member__2(self, p): 346 "type_member : type_or_void ident ASSIGN expr SEMI" 347 p[0] = ast.TypeFieldMemberAST(self, p[1], p[2], 348 ast.PairListAST(self), p[4]) 349 350 # Enum fields 351 def p_type_enums__list(self, p): 352 "type_enums : type_enum type_enums" 353 p[0] = [ p[1] ] + p[2] 354 355 def p_type_enums__empty(self, p): 356 "type_enums : empty" 357 p[0] = [] 358 359 def p_type_enum(self, p): 360 "type_enum : ident pairs SEMI" 361 p[0] = ast.TypeFieldEnumAST(self, p[1], p[2]) 362 363 # States 364 def p_type_states__list(self, p): 365 "type_states : type_state type_states" 366 p[0] = [ p[1] ] + p[2] 367 368 def p_type_states__empty(self, p): 369 "type_states : empty" 370 p[0] = [] 371 372 def p_type_state(self, p): 373 "type_state : ident ',' enumeration pairs SEMI" 374 p[0] = ast.TypeFieldStateAST(self, p[1], p[3], p[4]) 375 376 # Type 377 def p_types__multiple(self, p): 378 "types : type ',' types" 379 p[0] = [ p[1] ] + p[3] 380 381 def p_types__one(self, p): 382 "types : type" 383 p[0] = [ p[1] ] 384 385 def p_types__empty(self, p): 386 "types : empty" 387 p[0] = [] 388 389 def p_typestr__multi(self, p): 390 "typestr : typestr DOUBLE_COLON ident" 391 p[0] = '%s::%s' % (p[1], p[3]) 392 393 def p_typestr__single(self, p): 394 "typestr : ident" 395 p[0] = p[1] 396 397 def p_type__one(self, p): 398 "type : typestr" 399 p[0] = ast.TypeAST(self, p[1]) 400 401 def p_void(self, p): 402 "void : VOID" 403 p[0] = ast.TypeAST(self, p[1]) 404 405 def p_type_or_void(self, p): 406 """type_or_void : type 407 | void""" 408 p[0] = p[1] 409 410 # Formal Param 411 def p_params__many(self, p): 412 "params : param ',' params" 413 p[0] = [ p[1] ] + p[3] 414 415 def p_params__one(self, p): 416 "params : param" 417 p[0] = [ p[1] ] 418 419 def p_params__none(self, p): 420 "params : empty" 421 p[0] = [] 422 423 def p_param(self, p): 424 "param : type ident" 425 p[0] = ast.FormalParamAST(self, p[1], p[2]) 426 427 def p_param__pointer(self, p): 428 "param : type STAR ident" 429 p[0] = ast.FormalParamAST(self, p[1], p[3], None, True) 430 431 def p_param__pointer_default(self, p): 432 "param : type STAR ident '=' STRING" 433 p[0] = ast.FormalParamAST(self, p[1], p[3], p[5], True) 434 435 def p_param__default_number(self, p): 436 "param : type ident '=' NUMBER" 437 p[0] = ast.FormalParamAST(self, p[1], p[2], p[4]) 438 439 def p_param__default_bool(self, p): 440 "param : type ident '=' LIT_BOOL" 441 p[0] = ast.FormalParamAST(self, p[1], p[2], p[4]) 442 443 def p_param__default_string(self, p): 444 "param : type ident '=' STRING" 445 p[0] = ast.FormalParamAST(self, p[1], p[2], p[4]) 446 447 # Idents and lists 448 def p_idents__braced(self, p): 449 "idents : '{' identx '}'" 450 p[0] = p[2] 451 452 def p_idents__bare(self, p): 453 "idents : ident" 454 p[0] = [ p[1] ] 455 456 def p_identx__multiple_1(self, p): 457 """identx : ident SEMI identx 458 | ident ',' identx""" 459 p[0] = [ p[1] ] + p[3] 460 461 def p_identx__multiple_2(self, p): 462 "identx : ident identx" 463 p[0] = [ p[1] ] + p[2] 464 465 def p_identx__single(self, p): 466 "identx : empty" 467 p[0] = [ ] 468 469 def p_ident(self, p): 470 "ident : IDENT" 471 p[0] = p[1] 472 473 # Pair and pair lists 474 def p_pairs__list(self, p): 475 "pairs : ',' pairsx" 476 p[0] = p[2] 477 478 def p_pairs__empty(self, p): 479 "pairs : empty" 480 p[0] = ast.PairListAST(self) 481 482 def p_pairsx__many(self, p): 483 "pairsx : pair ',' pairsx" 484 p[0] = p[3] 485 p[0].addPair(p[1]) 486 487 def p_pairsx__one(self, p): 488 "pairsx : pair" 489 p[0] = ast.PairListAST(self) 490 p[0].addPair(p[1]) 491 492 def p_pair__assign(self, p): 493 """pair : ident '=' STRING 494 | ident '=' ident 495 | ident '=' NUMBER""" 496 p[0] = ast.PairAST(self, p[1], p[3]) 497 498 def p_pair__literal(self, p): 499 "pair : STRING" 500 p[0] = ast.PairAST(self, "short", p[1]) 501 502 # Below are the rules for action descriptions 503 def p_statements__inner(self, p): 504 "statements : '{' statements_inner '}'" 505 p[0] = ast.StatementListAST(self, p[2]) 506 507 def p_statements__none(self, p): 508 "statements : '{' '}'" 509 p[0] = ast.StatementListAST(self, []) 510 511 def p_statements_inner__many(self, p): 512 "statements_inner : statement statements_inner" 513 p[0] = [ p[1] ] + p[2] 514 515 def p_statements_inner__one(self, p): 516 "statements_inner : statement" 517 p[0] = [ p[1] ] 518 519 def p_exprs__multiple(self, p): 520 "exprs : expr ',' exprs" 521 p[0] = [ p[1] ] + p[3] 522 523 def p_exprs__one(self, p): 524 "exprs : expr" 525 p[0] = [ p[1] ] 526 527 def p_exprs__empty(self, p): 528 "exprs : empty""" 529 p[0] = [] 530 531 def p_statement__expression(self, p): 532 "statement : expr SEMI" 533 p[0] = ast.ExprStatementAST(self, p[1]) 534 535 def p_statement__assign(self, p): 536 "statement : expr ASSIGN expr SEMI" 537 p[0] = ast.AssignStatementAST(self, p[1], p[3]) 538 539 def p_statement__enqueue(self, p): 540 "statement : ENQUEUE '(' var ',' type pairs ')' statements" 541 p[0] = ast.EnqueueStatementAST(self, p[3], p[5], p[6], p[8]) 542 543 def p_statement__stall_and_wait(self, p): 544 "statement : STALL_AND_WAIT '(' var ',' var ')' SEMI" 545 p[0] = ast.StallAndWaitStatementAST(self, p[3], p[5]) 546 547 def p_statement__peek(self, p): 548 "statement : PEEK '(' var ',' type pairs ')' statements" 549 p[0] = ast.PeekStatementAST(self, p[3], p[5], p[6], p[8], "peek") 550 551 def p_statement__copy_head(self, p): 552 "statement : COPY_HEAD '(' var ',' var pairs ')' SEMI" 553 p[0] = ast.CopyHeadStatementAST(self, p[3], p[5], p[6]) 554 555 def p_statement__check_allocate(self, p): 556 "statement : CHECK_ALLOCATE '(' var ')' SEMI" 557 p[0] = ast.CheckAllocateStatementAST(self, p[3]) 558 559 def p_statement__check_stop(self, p): 560 "statement : CHECK_STOP_SLOTS '(' var ',' STRING ',' STRING ')' SEMI" 561 p[0] = ast.CheckStopStatementAST(self, p[3], p[5], p[7]) 562 563 def p_statement__static_cast(self, p): 564 "aexpr : STATIC_CAST '(' type ',' expr ')'" 565 p[0] = ast.StaticCastAST(self, p[3], "ref", p[5]) 566 567 def p_statement__static_cast_ptr(self, p): 568 "aexpr : STATIC_CAST '(' type ',' STRING ',' expr ')'" 569 p[0] = ast.StaticCastAST(self, p[3], p[5], p[7]) 570 571 def p_statement__return(self, p): 572 "statement : RETURN expr SEMI" 573 p[0] = ast.ReturnStatementAST(self, p[2]) 574 575 def p_statement__if(self, p): 576 "statement : if_statement" 577 p[0] = p[1] 578 579 def p_if_statement__if(self, p): 580 "if_statement : IF '(' expr ')' statements" 581 p[0] = ast.IfStatementAST(self, p[3], p[5], None) 582 583 def p_if_statement__if_else(self, p): 584 "if_statement : IF '(' expr ')' statements ELSE statements" 585 p[0] = ast.IfStatementAST(self, p[3], p[5], p[7]) 586 587 def p_statement__if_else_if(self, p): 588 "if_statement : IF '(' expr ')' statements ELSE if_statement" 589 p[0] = ast.IfStatementAST(self, p[3], p[5], 590 ast.StatementListAST(self, p[7])) 591 592 def p_expr__var(self, p): 593 "aexpr : var" 594 p[0] = p[1] 595 596 def p_expr__localvar(self, p): 597 "aexpr : type ident" 598 p[0] = ast.LocalVariableAST(self, p[1], p[2]) 599 600 def p_expr__literal(self, p): 601 "aexpr : literal" 602 p[0] = p[1] 603 604 def p_expr__enumeration(self, p): 605 "aexpr : enumeration" 606 p[0] = p[1] 607 608 def p_expr__func_call(self, p): 609 "aexpr : ident '(' exprs ')'" 610 p[0] = ast.FuncCallExprAST(self, p[1], p[3]) 611 612 def p_expr__new(self, p): 613 "aexpr : NEW type" 614 p[0] = ast.NewExprAST(self, p[2]) 615 616 def p_expr__null(self, p): 617 "aexpr : OOD" 618 p[0] = ast.OodAST(self) 619 620 # globally access a local chip component and call a method 621 def p_expr__local_chip_method(self, p): 622 "aexpr : THIS DOT var '[' expr ']' DOT var DOT ident '(' exprs ')'" 623 p[0] = ast.LocalChipMethodAST(self, p[3], p[5], p[8], p[10], p[12]) 624 625 # globally access a local chip component and access a data member 626 def p_expr__local_chip_member(self, p): 627 "aexpr : THIS DOT var '[' expr ']' DOT var DOT field" 628 p[0] = ast.LocalChipMemberAST(self, p[3], p[5], p[8], p[10]) 629 630 # globally access a specified chip component and call a method 631 def p_expr__specified_chip_method(self, p): 632 "aexpr : CHIP '[' expr ']' DOT var '[' expr ']' DOT var DOT ident '(' exprs ')'" 633 p[0] = ast.SpecifiedChipMethodAST(self, p[3], p[6], p[8], p[11], p[13], 634 p[15]) 635 636 # globally access a specified chip component and access a data member 637 def p_expr__specified_chip_member(self, p): 638 "aexpr : CHIP '[' expr ']' DOT var '[' expr ']' DOT var DOT field" 639 p[0] = ast.SpecifiedChipMemberAST(self, p[3], p[6], p[8], p[11], p[13]) 640 641 def p_expr__member(self, p): 642 "aexpr : aexpr DOT ident" 643 p[0] = ast.MemberExprAST(self, p[1], p[3]) 644 645 def p_expr__member_method_call(self, p): 646 "aexpr : aexpr DOT ident '(' exprs ')'" 647 p[0] = ast.MemberMethodCallExprAST(self, p[1], p[3], p[5]) 648 649 def p_expr__member_method_call_lookup(self, p): 650 "aexpr : aexpr '[' exprs ']'" 651 p[0] = ast.MemberMethodCallExprAST(self, p[1], "lookup", p[3]) 652 653 def p_expr__class_method_call(self, p): 654 "aexpr : type DOUBLE_COLON ident '(' exprs ')'" 655 p[0] = ast.ClassMethodCallExprAST(self, p[1], p[3], p[5]) 656 657 def p_expr__aexpr(self, p): 658 "expr : aexpr" 659 p[0] = p[1] 660 661 def p_expr__binary_op(self, p): 662 """expr : expr STAR expr 663 | expr SLASH expr 664 | expr PLUS expr 665 | expr DASH expr 666 | expr LT expr 667 | expr GT expr 668 | expr LE expr 669 | expr GE expr 670 | expr EQ expr 671 | expr NE expr 672 | expr AND expr 673 | expr OR expr 674 | expr RIGHTSHIFT expr 675 | expr LEFTSHIFT expr""" 676 p[0] = ast.InfixOperatorExprAST(self, p[1], p[2], p[3]) 677 678 # FIXME - unary not 679 def p_expr__unary_op(self, p): 680 """expr : NOT expr 681 | DASH expr %prec UMINUS""" 682 p[0] = PrefixOperatorExpr(p[1], p[2]) 683 684 def p_expr__parens(self, p): 685 "aexpr : '(' expr ')'" 686 p[0] = p[2] 687 688 def p_expr__is_valid_ptr(self, p): 689 "aexpr : IS_VALID '(' var ')'" 690 p[0] = ast.IsValidPtrExprAST(self, p[3], True) 691 692 def p_expr__is_invalid_ptr(self, p): 693 "aexpr : IS_INVALID '(' var ')'" 694 p[0] = ast.IsValidPtrExprAST(self, p[3], False) 695 696 def p_literal__string(self, p): 697 "literal : STRING" 698 p[0] = ast.LiteralExprAST(self, p[1], "std::string") 699 700 def p_literal__number(self, p): 701 "literal : NUMBER" 702 p[0] = ast.LiteralExprAST(self, p[1], "int") 703 704 def p_literal__float(self, p): 705 "literal : FLOATNUMBER" 706 p[0] = ast.LiteralExprAST(self, p[1], "int") 707 708 def p_literal__bool(self, p): 709 "literal : LIT_BOOL" 710 p[0] = ast.LiteralExprAST(self, p[1], "bool") 711 712 def p_enumeration(self, p): 713 "enumeration : ident ':' ident" 714 p[0] = ast.EnumExprAST(self, ast.TypeAST(self, p[1]), p[3]) 715 716 def p_var(self, p): 717 "var : ident" 718 p[0] = ast.VarExprAST(self, p[1]) 719 720 def p_field(self, p): 721 "field : ident" 722 p[0] = p[1] 723