parser.py revision 9219:258753d3bc47
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 40class SLICC(Grammar): 41 def __init__(self, filename, base_dir, verbose=False, traceback=False, **kwargs): 42 self.protocol = None 43 self.traceback = traceback 44 self.verbose = verbose 45 self.symtab = SymbolTable(self) 46 self.base_dir = base_dir 47 48 try: 49 self.decl_list = self.parse_file(filename, **kwargs) 50 except ParseError, e: 51 if not self.traceback: 52 sys.exit(str(e)) 53 raise 54 55 def currentLocation(self): 56 return util.Location(self.current_source, self.current_line, 57 no_warning=not self.verbose) 58 59 def codeFormatter(self, *args, **kwargs): 60 code = code_formatter(*args, **kwargs) 61 code['protocol'] = self.protocol 62 return code 63 64 def process(self): 65 self.decl_list.findMachines() 66 self.decl_list.generate() 67 68 def writeCodeFiles(self, code_path, includes): 69 self.symtab.writeCodeFiles(code_path, includes) 70 71 def writeHTMLFiles(self, html_path): 72 self.symtab.writeHTMLFiles(html_path) 73 74 def files(self): 75 f = set([ 76 'MachineType.cc', 77 'MachineType.hh', 78 'Types.hh' ]) 79 80 f |= self.decl_list.files() 81 82 return f 83 84 t_ignore = '\t ' 85 86 # C or C++ comment (ignore) 87 def t_c_comment(self, t): 88 r'/\*(.|\n)*?\*/' 89 t.lexer.lineno += t.value.count('\n') 90 91 def t_cpp_comment(self, t): 92 r'//.*' 93 94 # Define a rule so we can track line numbers 95 def t_newline(self, t): 96 r'\n+' 97 t.lexer.lineno += len(t.value) 98 99 reserved = { 100 'protocol' : 'PROTOCOL', 101 'include' : 'INCLUDE', 102 'global' : 'GLOBAL', 103 'machine' : 'MACHINE', 104 'in_port' : 'IN_PORT', 105 'out_port' : 'OUT_PORT', 106 'action' : 'ACTION', 107 'transition' : 'TRANS', 108 'structure' : 'STRUCT', 109 'external_type' : 'EXTERN_TYPE', 110 'enumeration' : 'ENUM', 111 'state_declaration' : 'STATE_DECL', 112 'peek' : 'PEEK', 113 'stall_and_wait' : 'STALL_AND_WAIT', 114 'enqueue' : 'ENQUEUE', 115 'copy_head' : 'COPY_HEAD', 116 'check_allocate' : 'CHECK_ALLOCATE', 117 'check_stop_slots' : 'CHECK_STOP_SLOTS', 118 'static_cast' : 'STATIC_CAST', 119 'if' : 'IF', 120 'is_valid' : 'IS_VALID', 121 'is_invalid' : 'IS_INVALID', 122 'else' : 'ELSE', 123 'return' : 'RETURN', 124 'THIS' : 'THIS', 125 'CHIP' : 'CHIP', 126 'void' : 'VOID', 127 'new' : 'NEW', 128 'OOD' : 'OOD', 129 } 130 131 literals = ':[]{}(),=' 132 133 tokens = [ 'EQ', 'NE', 'LT', 'GT', 'LE', 'GE', 134 'LEFTSHIFT', 'RIGHTSHIFT', 135 'NOT', 'AND', 'OR', 136 'PLUS', 'DASH', 'STAR', 'SLASH', 137 'DOUBLE_COLON', 'SEMI', 138 'ASSIGN', 'DOT', 139 'IDENT', 'LIT_BOOL', 'FLOATNUMBER', 'NUMBER', 'STRING' ] 140 tokens += reserved.values() 141 142 t_EQ = r'==' 143 t_NE = r'!=' 144 t_LT = r'<' 145 t_GT = r'>' 146 t_LE = r'<=' 147 t_GE = r'>=' 148 t_LEFTSHIFT = r'<<' 149 t_RIGHTSHIFT = r'>>' 150 t_NOT = r'!' 151 t_AND = r'&&' 152 t_OR = r'\|\|' 153 t_PLUS = r'\+' 154 t_DASH = r'-' 155 t_STAR = r'\*' 156 t_SLASH = r'/' 157 t_DOUBLE_COLON = r'::' 158 t_SEMI = r';' 159 t_ASSIGN = r':=' 160 t_DOT = r'\.' 161 162 precedence = ( 163 ('left', 'AND', 'OR'), 164 ('left', 'EQ', 'NE'), 165 ('left', 'LT', 'GT', 'LE', 'GE'), 166 ('left', 'RIGHTSHIFT', 'LEFTSHIFT'), 167 ('left', 'PLUS', 'DASH'), 168 ('left', 'STAR', 'SLASH'), 169 ('right', 'NOT', 'UMINUS'), 170 ) 171 172 def t_IDENT(self, t): 173 r'[a-zA-Z_][a-zA-Z_0-9]*' 174 if t.value == 'true': 175 t.type = 'LIT_BOOL' 176 t.value = True 177 return t 178 179 if t.value == 'false': 180 t.type = 'LIT_BOOL' 181 t.value = False 182 return t 183 184 # Check for reserved words 185 t.type = self.reserved.get(t.value, 'IDENT') 186 return t 187 188 def t_FLOATNUMBER(self, t): 189 '[0-9]+[.][0-9]+' 190 try: 191 t.value = float(t.value) 192 except ValueError: 193 raise ParseError("Illegal float", t) 194 return t 195 196 def t_NUMBER(self, t): 197 r'[0-9]+' 198 try: 199 t.value = int(t.value) 200 except ValueError: 201 raise ParseError("Illegal number", t) 202 return t 203 204 def t_STRING1(self, t): 205 r'\"[^"\n]*\"' 206 t.type = 'STRING' 207 t.value = t.value[1:-1] 208 return t 209 210 def t_STRING2(self, t): 211 r"\'[^'\n]*\'" 212 t.type = 'STRING' 213 t.value = t.value[1:-1] 214 return t 215 216 def p_file(self, p): 217 "file : decls" 218 p[0] = p[1] 219 220 def p_empty(self, p): 221 "empty :" 222 223 def p_decls(self, p): 224 "decls : declsx" 225 p[0] = ast.DeclListAST(self, p[1]) 226 227 def p_declsx__list(self, p): 228 "declsx : decl declsx" 229 if isinstance(p[1], ast.DeclListAST): 230 decls = p[1].decls 231 elif p[1] is None: 232 decls = [] 233 else: 234 decls = [ p[1] ] 235 p[0] = decls + p[2] 236 237 def p_declsx__none(self, p): 238 "declsx : empty" 239 p[0] = [] 240 241 def p_decl__protocol(self, p): 242 "decl : PROTOCOL STRING SEMI" 243 if self.protocol: 244 msg = "Protocol can only be set once! Error at %s:%s\n" % \ 245 (self.current_source, self.current_line) 246 raise ParseError(msg) 247 self.protocol = p[2] 248 p[0] = None 249 250 def p_decl__include(self, p): 251 "decl : INCLUDE STRING SEMI" 252 dirname = os.path.dirname(self.current_source) 253 if os.path.exists(os.path.join(dirname, p[2])): 254 filename = os.path.join(dirname, p[2]) 255 else: 256 filename = os.path.join(self.base_dir, p[2]) 257 p[0] = self.parse_file(filename) 258 259 def p_decl__machine(self, p): 260 "decl : MACHINE '(' ident pairs ')' ':' params '{' decls '}'" 261 p[0] = ast.MachineAST(self, p[3], p[4], p[7], p[9]) 262 263 def p_decl__action(self, p): 264 "decl : ACTION '(' ident pairs ')' statements" 265 p[0] = ast.ActionDeclAST(self, p[3], p[4], p[6]) 266 267 def p_decl__in_port(self, p): 268 "decl : IN_PORT '(' ident ',' type ',' var pairs ')' statements" 269 p[0] = ast.InPortDeclAST(self, p[3], p[5], p[7], p[8], p[10]) 270 271 def p_decl__out_port(self, p): 272 "decl : OUT_PORT '(' ident ',' type ',' var pairs ')' SEMI" 273 p[0] = ast.OutPortDeclAST(self, p[3], p[5], p[7], p[8]) 274 275 def p_decl__trans0(self, p): 276 "decl : TRANS '(' idents ',' idents ',' ident pairs ')' idents" 277 p[0] = ast.TransitionDeclAST(self, [], p[3], p[5], p[7], p[8], p[10]) 278 279 def p_decl__trans1(self, p): 280 "decl : TRANS '(' idents ',' idents pairs ')' idents" 281 p[0] = ast.TransitionDeclAST(self, [], p[3], p[5], None, p[6], p[8]) 282 283 def p_decl__trans2(self, p): 284 "decl : TRANS '(' idents ',' idents ',' ident pairs ')' idents idents" 285 p[0] = ast.TransitionDeclAST(self, p[10], p[3], p[5], p[7], p[8], p[11]) 286 287 def p_decl__trans3(self, p): 288 "decl : TRANS '(' idents ',' idents pairs ')' idents idents" 289 p[0] = ast.TransitionDeclAST(self, p[8], p[3], p[5], None, p[6], p[9]) 290 291 def p_decl__extern0(self, p): 292 "decl : EXTERN_TYPE '(' type pairs ')' SEMI" 293 p[4]["external"] = "yes" 294 p[0] = ast.TypeDeclAST(self, p[3], p[4], []) 295 296 def p_decl__global(self, p): 297 "decl : GLOBAL '(' type pairs ')' '{' type_members '}'" 298 p[4]["global"] = "yes" 299 p[0] = ast.TypeDeclAST(self, p[3], p[4], p[7]) 300 301 def p_decl__struct(self, p): 302 "decl : STRUCT '(' type pairs ')' '{' type_members '}'" 303 p[0] = ast.TypeDeclAST(self, p[3], p[4], p[7]) 304 305 def p_decl__enum(self, p): 306 "decl : ENUM '(' type pairs ')' '{' type_enums '}'" 307 p[4]["enumeration"] = "yes" 308 p[0] = ast.EnumDeclAST(self, p[3], p[4], p[7]) 309 310 def p_decl__state_decl(self, p): 311 "decl : STATE_DECL '(' type pairs ')' '{' type_states '}'" 312 p[4]["enumeration"] = "yes" 313 p[4]["state_decl"] = "yes" 314 p[0] = ast.StateDeclAST(self, p[3], p[4], p[7]) 315 316 def p_decl__object(self, p): 317 "decl : type ident pairs SEMI" 318 p[0] = ast.ObjDeclAST(self, p[1], p[2], p[3]) 319 320 def p_decl__func_decl(self, p): 321 """decl : void ident '(' params ')' pairs SEMI 322 | type ident '(' params ')' pairs SEMI""" 323 p[0] = ast.FuncDeclAST(self, p[1], p[2], p[4], p[6], None) 324 325 def p_decl__func_def(self, p): 326 """decl : void ident '(' params ')' pairs statements 327 | type ident '(' params ')' pairs statements""" 328 p[0] = ast.FuncDeclAST(self, p[1], p[2], p[4], p[6], p[7]) 329 330 # Type fields 331 def p_type_members__list(self, p): 332 "type_members : type_member type_members" 333 p[0] = [ p[1] ] + p[2] 334 335 def p_type_members__empty(self, p): 336 "type_members : empty" 337 p[0] = [] 338 339 def p_type_method__0(self, p): 340 "type_member : type_or_void ident '(' types ')' pairs SEMI" 341 p[0] = ast.TypeFieldMethodAST(self, p[1], p[2], p[4], p[6]) 342 343 def p_type_member__1(self, p): 344 "type_member : type_or_void ident pairs SEMI" 345 p[0] = ast.TypeFieldMemberAST(self, p[1], p[2], p[3], None) 346 347 def p_type_member__2(self, p): 348 "type_member : type_or_void ident ASSIGN expr SEMI" 349 p[0] = ast.TypeFieldMemberAST(self, p[1], p[2], 350 ast.PairListAST(self), p[4]) 351 352 # Enum fields 353 def p_type_enums__list(self, p): 354 "type_enums : type_enum type_enums" 355 p[0] = [ p[1] ] + p[2] 356 357 def p_type_enums__empty(self, p): 358 "type_enums : empty" 359 p[0] = [] 360 361 def p_type_enum(self, p): 362 "type_enum : ident pairs SEMI" 363 p[0] = ast.TypeFieldEnumAST(self, p[1], p[2]) 364 365 # States 366 def p_type_states__list(self, p): 367 "type_states : type_state type_states" 368 p[0] = [ p[1] ] + p[2] 369 370 def p_type_states__empty(self, p): 371 "type_states : empty" 372 p[0] = [] 373 374 def p_type_state(self, p): 375 "type_state : ident ',' enumeration pairs SEMI" 376 p[0] = ast.TypeFieldStateAST(self, p[1], p[3], p[4]) 377 378 # Type 379 def p_types__multiple(self, p): 380 "types : type ',' types" 381 p[0] = [ p[1] ] + p[3] 382 383 def p_types__one(self, p): 384 "types : type" 385 p[0] = [ p[1] ] 386 387 def p_types__empty(self, p): 388 "types : empty" 389 p[0] = [] 390 391 def p_typestr__multi(self, p): 392 "typestr : typestr DOUBLE_COLON ident" 393 p[0] = '%s::%s' % (p[1], p[3]) 394 395 def p_typestr__single(self, p): 396 "typestr : ident" 397 p[0] = p[1] 398 399 def p_type__one(self, p): 400 "type : typestr" 401 p[0] = ast.TypeAST(self, p[1]) 402 403 def p_void(self, p): 404 "void : VOID" 405 p[0] = ast.TypeAST(self, p[1]) 406 407 def p_type_or_void(self, p): 408 """type_or_void : type 409 | void""" 410 p[0] = p[1] 411 412 # Formal Param 413 def p_params__many(self, p): 414 "params : param ',' params" 415 p[0] = [ p[1] ] + p[3] 416 417 def p_params__one(self, p): 418 "params : param" 419 p[0] = [ p[1] ] 420 421 def p_params__none(self, p): 422 "params : empty" 423 p[0] = [] 424 425 def p_param(self, p): 426 "param : type ident" 427 p[0] = ast.FormalParamAST(self, p[1], p[2]) 428 429 def p_param__pointer(self, p): 430 "param : type STAR ident" 431 p[0] = ast.FormalParamAST(self, p[1], p[3], None, True) 432 433 def p_param__pointer_default(self, p): 434 "param : type STAR ident '=' STRING" 435 p[0] = ast.FormalParamAST(self, p[1], p[3], p[5], True) 436 437 def p_param__default_number(self, p): 438 "param : type ident '=' NUMBER" 439 p[0] = ast.FormalParamAST(self, p[1], p[2], p[4]) 440 441 def p_param__default_bool(self, p): 442 "param : type ident '=' LIT_BOOL" 443 p[0] = ast.FormalParamAST(self, p[1], p[2], p[4]) 444 445 def p_param__default_string(self, p): 446 "param : type ident '=' STRING" 447 p[0] = ast.FormalParamAST(self, p[1], p[2], p[4]) 448 449 # Idents and lists 450 def p_idents__braced(self, p): 451 "idents : '{' identx '}'" 452 p[0] = p[2] 453 454 def p_idents__bare(self, p): 455 "idents : ident" 456 p[0] = [ p[1] ] 457 458 def p_identx__multiple_1(self, p): 459 """identx : ident SEMI identx 460 | ident ',' identx""" 461 p[0] = [ p[1] ] + p[3] 462 463 def p_identx__multiple_2(self, p): 464 "identx : ident identx" 465 p[0] = [ p[1] ] + p[2] 466 467 def p_identx__single(self, p): 468 "identx : empty" 469 p[0] = [ ] 470 471 def p_ident(self, p): 472 "ident : IDENT" 473 p[0] = p[1] 474 475 # Pair and pair lists 476 def p_pairs__list(self, p): 477 "pairs : ',' pairsx" 478 p[0] = p[2] 479 480 def p_pairs__empty(self, p): 481 "pairs : empty" 482 p[0] = ast.PairListAST(self) 483 484 def p_pairsx__many(self, p): 485 "pairsx : pair ',' pairsx" 486 p[0] = p[3] 487 p[0].addPair(p[1]) 488 489 def p_pairsx__one(self, p): 490 "pairsx : pair" 491 p[0] = ast.PairListAST(self) 492 p[0].addPair(p[1]) 493 494 def p_pair__assign(self, p): 495 """pair : ident '=' STRING 496 | ident '=' ident 497 | ident '=' NUMBER""" 498 p[0] = ast.PairAST(self, p[1], p[3]) 499 500 def p_pair__literal(self, p): 501 "pair : STRING" 502 p[0] = ast.PairAST(self, "short", p[1]) 503 504 # Below are the rules for action descriptions 505 def p_statements__inner(self, p): 506 "statements : '{' statements_inner '}'" 507 p[0] = ast.StatementListAST(self, p[2]) 508 509 def p_statements__none(self, p): 510 "statements : '{' '}'" 511 p[0] = ast.StatementListAST(self, []) 512 513 def p_statements_inner__many(self, p): 514 "statements_inner : statement statements_inner" 515 p[0] = [ p[1] ] + p[2] 516 517 def p_statements_inner__one(self, p): 518 "statements_inner : statement" 519 p[0] = [ p[1] ] 520 521 def p_exprs__multiple(self, p): 522 "exprs : expr ',' exprs" 523 p[0] = [ p[1] ] + p[3] 524 525 def p_exprs__one(self, p): 526 "exprs : expr" 527 p[0] = [ p[1] ] 528 529 def p_exprs__empty(self, p): 530 "exprs : empty""" 531 p[0] = [] 532 533 def p_statement__expression(self, p): 534 "statement : expr SEMI" 535 p[0] = ast.ExprStatementAST(self, p[1]) 536 537 def p_statement__assign(self, p): 538 "statement : expr ASSIGN expr SEMI" 539 p[0] = ast.AssignStatementAST(self, p[1], p[3]) 540 541 def p_statement__enqueue(self, p): 542 "statement : ENQUEUE '(' var ',' type pairs ')' statements" 543 p[0] = ast.EnqueueStatementAST(self, p[3], p[5], p[6], p[8]) 544 545 def p_statement__stall_and_wait(self, p): 546 "statement : STALL_AND_WAIT '(' var ',' var ')' SEMI" 547 p[0] = ast.StallAndWaitStatementAST(self, p[3], p[5]) 548 549 def p_statement__peek(self, p): 550 "statement : PEEK '(' var ',' type pairs ')' statements" 551 p[0] = ast.PeekStatementAST(self, p[3], p[5], p[6], p[8], "peek") 552 553 def p_statement__copy_head(self, p): 554 "statement : COPY_HEAD '(' var ',' var pairs ')' SEMI" 555 p[0] = ast.CopyHeadStatementAST(self, p[3], p[5], p[6]) 556 557 def p_statement__check_allocate(self, p): 558 "statement : CHECK_ALLOCATE '(' var ')' SEMI" 559 p[0] = ast.CheckAllocateStatementAST(self, p[3]) 560 561 def p_statement__check_stop(self, p): 562 "statement : CHECK_STOP_SLOTS '(' var ',' STRING ',' STRING ')' SEMI" 563 p[0] = ast.CheckStopStatementAST(self, p[3], p[5], p[7]) 564 565 def p_statement__static_cast(self, p): 566 "aexpr : STATIC_CAST '(' type ',' expr ')'" 567 p[0] = ast.StaticCastAST(self, p[3], "ref", p[5]) 568 569 def p_statement__static_cast_ptr(self, p): 570 "aexpr : STATIC_CAST '(' type ',' STRING ',' expr ')'" 571 p[0] = ast.StaticCastAST(self, p[3], p[5], p[7]) 572 573 def p_statement__return(self, p): 574 "statement : RETURN expr SEMI" 575 p[0] = ast.ReturnStatementAST(self, p[2]) 576 577 def p_statement__if(self, p): 578 "statement : if_statement" 579 p[0] = p[1] 580 581 def p_if_statement__if(self, p): 582 "if_statement : IF '(' expr ')' statements" 583 p[0] = ast.IfStatementAST(self, p[3], p[5], None) 584 585 def p_if_statement__if_else(self, p): 586 "if_statement : IF '(' expr ')' statements ELSE statements" 587 p[0] = ast.IfStatementAST(self, p[3], p[5], p[7]) 588 589 def p_statement__if_else_if(self, p): 590 "if_statement : IF '(' expr ')' statements ELSE if_statement" 591 p[0] = ast.IfStatementAST(self, p[3], p[5], 592 ast.StatementListAST(self, p[7])) 593 594 def p_expr__var(self, p): 595 "aexpr : var" 596 p[0] = p[1] 597 598 def p_expr__localvar(self, p): 599 "aexpr : type ident" 600 p[0] = ast.LocalVariableAST(self, p[1], p[2]) 601 602 def p_expr__literal(self, p): 603 "aexpr : literal" 604 p[0] = p[1] 605 606 def p_expr__enumeration(self, p): 607 "aexpr : enumeration" 608 p[0] = p[1] 609 610 def p_expr__func_call(self, p): 611 "aexpr : ident '(' exprs ')'" 612 p[0] = ast.FuncCallExprAST(self, p[1], p[3]) 613 614 def p_expr__new(self, p): 615 "aexpr : NEW type" 616 p[0] = ast.NewExprAST(self, p[2]) 617 618 def p_expr__null(self, p): 619 "aexpr : OOD" 620 p[0] = ast.OodAST(self) 621 622 # globally access a local chip component and call a method 623 def p_expr__local_chip_method(self, p): 624 "aexpr : THIS DOT var '[' expr ']' DOT var DOT ident '(' exprs ')'" 625 p[0] = ast.LocalChipMethodAST(self, p[3], p[5], p[8], p[10], p[12]) 626 627 # globally access a local chip component and access a data member 628 def p_expr__local_chip_member(self, p): 629 "aexpr : THIS DOT var '[' expr ']' DOT var DOT field" 630 p[0] = ast.LocalChipMemberAST(self, p[3], p[5], p[8], p[10]) 631 632 # globally access a specified chip component and call a method 633 def p_expr__specified_chip_method(self, p): 634 "aexpr : CHIP '[' expr ']' DOT var '[' expr ']' DOT var DOT ident '(' exprs ')'" 635 p[0] = ast.SpecifiedChipMethodAST(self, p[3], p[6], p[8], p[11], p[13], 636 p[15]) 637 638 # globally access a specified chip component and access a data member 639 def p_expr__specified_chip_member(self, p): 640 "aexpr : CHIP '[' expr ']' DOT var '[' expr ']' DOT var DOT field" 641 p[0] = ast.SpecifiedChipMemberAST(self, p[3], p[6], p[8], p[11], p[13]) 642 643 def p_expr__member(self, p): 644 "aexpr : aexpr DOT ident" 645 p[0] = ast.MemberExprAST(self, p[1], p[3]) 646 647 def p_expr__member_method_call(self, p): 648 "aexpr : aexpr DOT ident '(' exprs ')'" 649 p[0] = ast.MemberMethodCallExprAST(self, p[1], p[3], p[5]) 650 651 def p_expr__member_method_call_lookup(self, p): 652 "aexpr : aexpr '[' exprs ']'" 653 p[0] = ast.MemberMethodCallExprAST(self, p[1], "lookup", p[3]) 654 655 def p_expr__class_method_call(self, p): 656 "aexpr : type DOUBLE_COLON ident '(' exprs ')'" 657 p[0] = ast.ClassMethodCallExprAST(self, p[1], p[3], p[5]) 658 659 def p_expr__aexpr(self, p): 660 "expr : aexpr" 661 p[0] = p[1] 662 663 def p_expr__binary_op(self, p): 664 """expr : expr STAR expr 665 | expr SLASH expr 666 | expr PLUS expr 667 | expr DASH expr 668 | expr LT expr 669 | expr GT expr 670 | expr LE expr 671 | expr GE expr 672 | expr EQ expr 673 | expr NE expr 674 | expr AND expr 675 | expr OR expr 676 | expr RIGHTSHIFT expr 677 | expr LEFTSHIFT expr""" 678 p[0] = ast.InfixOperatorExprAST(self, p[1], p[2], p[3]) 679 680 # FIXME - unary not 681 def p_expr__unary_op(self, p): 682 """expr : NOT expr 683 | DASH expr %prec UMINUS""" 684 p[0] = PrefixOperatorExpr(p[1], p[2]) 685 686 def p_expr__parens(self, p): 687 "aexpr : '(' expr ')'" 688 p[0] = p[2] 689 690 def p_expr__is_valid_ptr(self, p): 691 "aexpr : IS_VALID '(' var ')'" 692 p[0] = ast.IsValidPtrExprAST(self, p[3], True) 693 694 def p_expr__is_invalid_ptr(self, p): 695 "aexpr : IS_INVALID '(' var ')'" 696 p[0] = ast.IsValidPtrExprAST(self, p[3], False) 697 698 def p_literal__string(self, p): 699 "literal : STRING" 700 p[0] = ast.LiteralExprAST(self, p[1], "std::string") 701 702 def p_literal__number(self, p): 703 "literal : NUMBER" 704 p[0] = ast.LiteralExprAST(self, p[1], "int") 705 706 def p_literal__float(self, p): 707 "literal : FLOATNUMBER" 708 p[0] = ast.LiteralExprAST(self, p[1], "int") 709 710 def p_literal__bool(self, p): 711 "literal : LIT_BOOL" 712 p[0] = ast.LiteralExprAST(self, p[1], "bool") 713 714 def p_enumeration(self, p): 715 "enumeration : ident ':' ident" 716 p[0] = ast.EnumExprAST(self, ast.TypeAST(self, p[1]), p[3]) 717 718 def p_var(self, p): 719 "var : ident" 720 p[0] = ast.VarExprAST(self, p[1]) 721 722 def p_field(self, p): 723 "field : ident" 724 p[0] = p[1] 725