parser/NodeConstructors.h

   1 /*
   2  *  Copyright (C) 2009, 2013 Apple Inc. All rights reserved.
   3  *
   4  *  This library is free software; you can redistribute it and/or
   5  *  modify it under the terms of the GNU Library General Public
   6  *  License as published by the Free Software Foundation; either
   7  *  version 2 of the License, or (at your option) any later version.
   8  *
   9  *  This library is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  *  Library General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU Library General Public License
  15  *  along with this library; see the file COPYING.LIB.  If not, write to
  16  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  *  Boston, MA 02110-1301, USA.
  18  *
  19  */
  20
  21 #ifndef NodeConstructors_h
  22 #define NodeConstructors_h
  23
  24 #include "Nodes.h"
  25 #include "Lexer.h"
  26 #include "Parser.h"
  27
  28 namespace JSC {
  29
  30     inline void* ParserArenaFreeable::operator new(size_t size, VM* vm)
  31     {
  32         return vm->parserArena->allocateFreeable(size);
  33     }
  34
  35     inline void* ParserArenaDeletable::operator new(size_t size, VM* vm)
  36     {
  37         return vm->parserArena->allocateDeletable(size);
  38     }
  39
  40     inline ParserArenaRefCounted::ParserArenaRefCounted(VM* vm)
  41     {
  42         vm->parserArena->derefWithArena(adoptRef(this));
  43     }
  44
  45     inline Node::Node(const JSTokenLocation& location)
  46         : m_lineNumber(location.line)
  47         , m_startOffset(location.startOffset)
  48         , m_lineStartOffset(location.lineStartOffset)
  49     {
  50         ASSERT(location.startOffset >= location.lineStartOffset);
  51     }
  52
  53     inline ExpressionNode::ExpressionNode(const JSTokenLocation& location, ResultType resultType)
  54         : Node(location)
  55         , m_resultType(resultType)
  56     {
  57     }
  58
  59     inline StatementNode::StatementNode(const JSTokenLocation& location)
  60         : Node(location)
  61         , m_lastLine(-1)
  62     {
  63     }
  64
  65     inline ConstantNode::ConstantNode(const JSTokenLocation& location, ResultType resultType)
  66         : ExpressionNode(location, resultType)
  67     {
  68     }
  69
  70     inline NullNode::NullNode(const JSTokenLocation& location)
  71         : ConstantNode(location, ResultType::nullType())
  72     {
  73     }
  74
  75     inline BooleanNode::BooleanNode(const JSTokenLocation& location, bool value)
  76         : ConstantNode(location, ResultType::booleanType())
  77         , m_value(value)
  78     {
  79     }
  80
  81     inline NumberNode::NumberNode(const JSTokenLocation& location, double value)
  82         : ConstantNode(location, JSValue(value).isInt32() ? ResultType::numberTypeIsInt32() : ResultType::numberType())
  83         , m_value(value)
  84     {
  85     }
  86
  87     inline StringNode::StringNode(const JSTokenLocation& location, const Identifier& value)
  88         : ConstantNode(location, ResultType::stringType())
  89         , m_value(value)
  90     {
  91     }
  92
  93     inline RegExpNode::RegExpNode(const JSTokenLocation& location, const Identifier& pattern, const Identifier& flags)
  94         : ExpressionNode(location)
  95         , m_pattern(pattern)
  96         , m_flags(flags)
  97     {
  98     }
  99
 100     inline ThisNode::ThisNode(const JSTokenLocation& location)
 101         : ExpressionNode(location)
 102     {
 103     }
 104
 105 inline ResolveNode::ResolveNode(const JSTokenLocation& location, const Identifier& ident, unsigned startOffset, unsigned divotLine, unsigned divotLineStart)
 106         : ExpressionNode(location)
 107         , m_ident(ident)
 108         , m_startOffset(startOffset)
 109         , m_divotLine(divotLine)
 110         , m_divotLineStart(divotLineStart)
 111     {
 112         ASSERT(m_startOffset >= m_divotLineStart);
 113     }
 114
 115     inline ElementNode::ElementNode(int elision, ExpressionNode* node)
 116         : m_next(0)
 117         , m_elision(elision)
 118         , m_node(node)
 119     {
 120     }
 121
 122     inline ElementNode::ElementNode(ElementNode* l, int elision, ExpressionNode* node)
 123         : m_next(0)
 124         , m_elision(elision)
 125         , m_node(node)
 126     {
 127         l->m_next = this;
 128     }
 129
 130     inline ArrayNode::ArrayNode(const JSTokenLocation& location, int elision)
 131         : ExpressionNode(location)
 132         , m_element(0)
 133         , m_elision(elision)
 134         , m_optional(true)
 135     {
 136     }
 137
 138     inline ArrayNode::ArrayNode(const JSTokenLocation& location, ElementNode* element)
 139         : ExpressionNode(location)
 140         , m_element(element)
 141         , m_elision(0)
 142         , m_optional(false)
 143     {
 144     }
 145
 146     inline ArrayNode::ArrayNode(const JSTokenLocation& location, int elision, ElementNode* element)
 147         : ExpressionNode(location)
 148         , m_element(element)
 149         , m_elision(elision)
 150         , m_optional(true)
 151     {
 152     }
 153
 154     inline PropertyNode::PropertyNode(VM*, const Identifier& name, ExpressionNode* assign, Type type)
 155         : m_name(name)
 156         , m_assign(assign)
 157         , m_type(type)
 158     {
 159     }
 160
 161     inline PropertyNode::PropertyNode(VM* vm, double name, ExpressionNode* assign, Type type)
 162         : m_name(vm->parserArena->identifierArena().makeNumericIdentifier(vm, name))
 163         , m_assign(assign)
 164         , m_type(type)
 165     {
 166     }
 167
 168     inline PropertyListNode::PropertyListNode(const JSTokenLocation& location, PropertyNode* node)
 169         : ExpressionNode(location)
 170         , m_node(node)
 171         , m_next(0)
 172     {
 173     }
 174
 175     inline PropertyListNode::PropertyListNode(const JSTokenLocation& location, PropertyNode* node, PropertyListNode* list)
 176         : ExpressionNode(location)
 177         , m_node(node)
 178         , m_next(0)
 179     {
 180         list->m_next = this;
 181     }
 182
 183     inline ObjectLiteralNode::ObjectLiteralNode(const JSTokenLocation& location)
 184         : ExpressionNode(location)
 185         , m_list(0)
 186     {
 187     }
 188
 189     inline ObjectLiteralNode::ObjectLiteralNode(const JSTokenLocation& location, PropertyListNode* list)
 190         : ExpressionNode(location)
 191         , m_list(list)
 192     {
 193     }
 194
 195     inline BracketAccessorNode::BracketAccessorNode(const JSTokenLocation& location, ExpressionNode* base, ExpressionNode* subscript, bool subscriptHasAssignments)
 196         : ExpressionNode(location)
 197         , m_base(base)
 198         , m_subscript(subscript)
 199         , m_subscriptHasAssignments(subscriptHasAssignments)
 200     {
 201     }
 202
 203     inline DotAccessorNode::DotAccessorNode(const JSTokenLocation& location, ExpressionNode* base, const Identifier& ident)
 204         : ExpressionNode(location)
 205         , m_base(base)
 206         , m_ident(ident)
 207     {
 208     }
 209
 210     inline ArgumentListNode::ArgumentListNode(const JSTokenLocation& location, ExpressionNode* expr)
 211         : ExpressionNode(location)
 212         , m_next(0)
 213         , m_expr(expr)
 214     {
 215     }
 216
 217     inline ArgumentListNode::ArgumentListNode(const JSTokenLocation& location, ArgumentListNode* listNode, ExpressionNode* expr)
 218         : ExpressionNode(location)
 219         , m_next(0)
 220         , m_expr(expr)
 221     {
 222         listNode->m_next = this;
 223     }
 224
 225     inline ArgumentsNode::ArgumentsNode()
 226         : m_listNode(0)
 227     {
 228     }
 229
 230     inline ArgumentsNode::ArgumentsNode(ArgumentListNode* listNode)
 231         : m_listNode(listNode)
 232     {
 233     }
 234
 235     inline NewExprNode::NewExprNode(const JSTokenLocation& location, ExpressionNode* expr)
 236         : ExpressionNode(location)
 237         , m_expr(expr)
 238         , m_args(0)
 239     {
 240     }
 241
 242     inline NewExprNode::NewExprNode(const JSTokenLocation& location, ExpressionNode* expr, ArgumentsNode* args)
 243         : ExpressionNode(location)
 244         , m_expr(expr)
 245         , m_args(args)
 246     {
 247     }
 248
 249     inline EvalFunctionCallNode::EvalFunctionCallNode(const JSTokenLocation& location, ArgumentsNode* args, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 250         : ExpressionNode(location)
 251         , ThrowableExpressionData(divot, startOffset, endOffset, divotLine, divotLineStart)
 252         , m_args(args)
 253     {
 254         ASSERT(divot >= divotLineStart);
 255     }
 256
 257     inline FunctionCallValueNode::FunctionCallValueNode(const JSTokenLocation& location, ExpressionNode* expr, ArgumentsNode* args, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 258         : ExpressionNode(location)
 259         , ThrowableExpressionData(divot, startOffset, endOffset, divotLine, divotLineStart)
 260         , m_expr(expr)
 261         , m_args(args)
 262     {
 263     }
 264
 265     inline FunctionCallResolveNode::FunctionCallResolveNode(const JSTokenLocation& location, const Identifier& ident, ArgumentsNode* args, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 266         : ExpressionNode(location)
 267         , ThrowableExpressionData(divot, startOffset, endOffset, divotLine, divotLineStart)
 268         , m_ident(ident)
 269         , m_args(args)
 270     {
 271     }
 272
 273     inline FunctionCallBracketNode::FunctionCallBracketNode(const JSTokenLocation& location, ExpressionNode* base, ExpressionNode* subscript, ArgumentsNode* args, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 274         : ExpressionNode(location)
 275         , ThrowableSubExpressionData(divot, startOffset, endOffset, divotLine, divotLineStart)
 276         , m_base(base)
 277         , m_subscript(subscript)
 278         , m_args(args)
 279     {
 280     }
 281
 282     inline FunctionCallDotNode::FunctionCallDotNode(const JSTokenLocation& location, ExpressionNode* base, const Identifier& ident, ArgumentsNode* args, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 283         : ExpressionNode(location)
 284         , ThrowableSubExpressionData(divot, startOffset, endOffset, divotLine, divotLineStart)
 285         , m_base(base)
 286         , m_ident(ident)
 287         , m_args(args)
 288     {
 289     }
 290
 291     inline CallFunctionCallDotNode::CallFunctionCallDotNode(const JSTokenLocation& location, ExpressionNode* base, const Identifier& ident, ArgumentsNode* args, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 292         : FunctionCallDotNode(location, base, ident, args, divot, startOffset, endOffset, divotLine, divotLineStart)
 293     {
 294     }
 295
 296     inline ApplyFunctionCallDotNode::ApplyFunctionCallDotNode(const JSTokenLocation& location, ExpressionNode* base, const Identifier& ident, ArgumentsNode* args, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 297         : FunctionCallDotNode(location, base, ident, args, divot, startOffset, endOffset, divotLine, divotLineStart)
 298     {
 299     }
 300
 301     inline PostfixNode::PostfixNode(const JSTokenLocation& location, ExpressionNode* expr, Operator oper, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 302         : PrefixNode(location, expr, oper, divot, startOffset, endOffset, divotLine, divotLineStart)
 303     {
 304     }
 305
 306     inline DeleteResolveNode::DeleteResolveNode(const JSTokenLocation& location, const Identifier& ident, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 307         : ExpressionNode(location)
 308         , ThrowableExpressionData(divot, startOffset, endOffset, divotLine, divotLineStart)
 309         , m_ident(ident)
 310     {
 311     }
 312
 313     inline DeleteBracketNode::DeleteBracketNode(const JSTokenLocation& location, ExpressionNode* base, ExpressionNode* subscript, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 314         : ExpressionNode(location)
 315         , ThrowableExpressionData(divot, startOffset, endOffset, divotLine, divotLineStart)
 316         , m_base(base)
 317         , m_subscript(subscript)
 318     {
 319     }
 320
 321     inline DeleteDotNode::DeleteDotNode(const JSTokenLocation& location, ExpressionNode* base, const Identifier& ident, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 322         : ExpressionNode(location)
 323         , ThrowableExpressionData(divot, startOffset, endOffset, divotLine, divotLineStart)
 324         , m_base(base)
 325         , m_ident(ident)
 326     {
 327     }
 328
 329     inline DeleteValueNode::DeleteValueNode(const JSTokenLocation& location, ExpressionNode* expr)
 330         : ExpressionNode(location)
 331         , m_expr(expr)
 332     {
 333     }
 334
 335     inline VoidNode::VoidNode(const JSTokenLocation& location, ExpressionNode* expr)
 336         : ExpressionNode(location)
 337         , m_expr(expr)
 338     {
 339     }
 340
 341     inline TypeOfResolveNode::TypeOfResolveNode(const JSTokenLocation& location, const Identifier& ident)
 342         : ExpressionNode(location, ResultType::stringType())
 343         , m_ident(ident)
 344     {
 345     }
 346
 347     inline TypeOfValueNode::TypeOfValueNode(const JSTokenLocation& location, ExpressionNode* expr)
 348         : ExpressionNode(location, ResultType::stringType())
 349         , m_expr(expr)
 350     {
 351     }
 352
 353     inline PrefixNode::PrefixNode(const JSTokenLocation& location, ExpressionNode* expr, Operator oper, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 354         : ExpressionNode(location)
 355         , ThrowablePrefixedSubExpressionData(divot, startOffset, endOffset, divotLine, divotLineStart)
 356         , m_expr(expr)
 357         , m_operator(oper)
 358     {
 359     }
 360
 361     inline UnaryOpNode::UnaryOpNode(const JSTokenLocation& location, ResultType type, ExpressionNode* expr, OpcodeID opcodeID)
 362         : ExpressionNode(location, type)
 363         , m_expr(expr)
 364         , m_opcodeID(opcodeID)
 365     {
 366     }
 367
 368     inline UnaryPlusNode::UnaryPlusNode(const JSTokenLocation& location, ExpressionNode* expr)
 369         : UnaryOpNode(location, ResultType::numberType(), expr, op_to_number)
 370     {
 371     }
 372
 373     inline NegateNode::NegateNode(const JSTokenLocation& location, ExpressionNode* expr)
 374         : UnaryOpNode(location, ResultType::numberType(), expr, op_negate)
 375     {
 376     }
 377
 378     inline BitwiseNotNode::BitwiseNotNode(const JSTokenLocation& location, ExpressionNode* expr)
 379         : ExpressionNode(location, ResultType::forBitOp())
 380         , m_expr(expr)
 381     {
 382     }
 383
 384     inline LogicalNotNode::LogicalNotNode(const JSTokenLocation& location, ExpressionNode* expr)
 385         : UnaryOpNode(location, ResultType::booleanType(), expr, op_not)
 386     {
 387     }
 388
 389     inline BinaryOpNode::BinaryOpNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, OpcodeID opcodeID, bool rightHasAssignments)
 390         : ExpressionNode(location)
 391         , m_expr1(expr1)
 392         , m_expr2(expr2)
 393         , m_opcodeID(opcodeID)
 394         , m_rightHasAssignments(rightHasAssignments)
 395     {
 396     }
 397
 398     inline BinaryOpNode::BinaryOpNode(const JSTokenLocation& location, ResultType type, ExpressionNode* expr1, ExpressionNode* expr2, OpcodeID opcodeID, bool rightHasAssignments)
 399         : ExpressionNode(location, type)
 400         , m_expr1(expr1)
 401         , m_expr2(expr2)
 402         , m_opcodeID(opcodeID)
 403         , m_rightHasAssignments(rightHasAssignments)
 404     {
 405     }
 406
 407     inline MultNode::MultNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 408         : BinaryOpNode(location, ResultType::numberType(), expr1, expr2, op_mul, rightHasAssignments)
 409     {
 410     }
 411
 412     inline DivNode::DivNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 413         : BinaryOpNode(location, ResultType::numberType(), expr1, expr2, op_div, rightHasAssignments)
 414     {
 415     }
 416
 417
 418     inline ModNode::ModNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 419         : BinaryOpNode(location, ResultType::numberType(), expr1, expr2, op_mod, rightHasAssignments)
 420     {
 421     }
 422
 423     inline AddNode::AddNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 424         : BinaryOpNode(location, ResultType::forAdd(expr1->resultDescriptor(), expr2->resultDescriptor()), expr1, expr2, op_add, rightHasAssignments)
 425     {
 426     }
 427
 428     inline SubNode::SubNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 429         : BinaryOpNode(location, ResultType::numberType(), expr1, expr2, op_sub, rightHasAssignments)
 430     {
 431     }
 432
 433     inline LeftShiftNode::LeftShiftNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 434         : BinaryOpNode(location, ResultType::forBitOp(), expr1, expr2, op_lshift, rightHasAssignments)
 435     {
 436     }
 437
 438     inline RightShiftNode::RightShiftNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 439         : BinaryOpNode(location, ResultType::forBitOp(), expr1, expr2, op_rshift, rightHasAssignments)
 440     {
 441     }
 442
 443     inline UnsignedRightShiftNode::UnsignedRightShiftNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 444         : BinaryOpNode(location, ResultType::numberType(), expr1, expr2, op_urshift, rightHasAssignments)
 445     {
 446     }
 447
 448     inline LessNode::LessNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 449         : BinaryOpNode(location, ResultType::booleanType(), expr1, expr2, op_less, rightHasAssignments)
 450     {
 451     }
 452
 453     inline GreaterNode::GreaterNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 454         : BinaryOpNode(location, ResultType::booleanType(), expr1, expr2, op_greater, rightHasAssignments)
 455     {
 456     }
 457
 458     inline LessEqNode::LessEqNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 459         : BinaryOpNode(location, ResultType::booleanType(), expr1, expr2, op_lesseq, rightHasAssignments)
 460     {
 461     }
 462
 463     inline GreaterEqNode::GreaterEqNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 464         : BinaryOpNode(location, ResultType::booleanType(), expr1, expr2, op_greatereq, rightHasAssignments)
 465     {
 466     }
 467
 468     inline ThrowableBinaryOpNode::ThrowableBinaryOpNode(const JSTokenLocation& location, ResultType type, ExpressionNode* expr1, ExpressionNode* expr2, OpcodeID opcodeID, bool rightHasAssignments)
 469         : BinaryOpNode(location, type, expr1, expr2, opcodeID, rightHasAssignments)
 470     {
 471     }
 472
 473     inline ThrowableBinaryOpNode::ThrowableBinaryOpNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, OpcodeID opcodeID, bool rightHasAssignments)
 474         : BinaryOpNode(location, expr1, expr2, opcodeID, rightHasAssignments)
 475     {
 476     }
 477
 478     inline InstanceOfNode::InstanceOfNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 479         : ThrowableBinaryOpNode(location, ResultType::booleanType(), expr1, expr2, op_instanceof, rightHasAssignments)
 480     {
 481     }
 482
 483     inline InNode::InNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 484         : ThrowableBinaryOpNode(location, expr1, expr2, op_in, rightHasAssignments)
 485     {
 486     }
 487
 488     inline EqualNode::EqualNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 489         : BinaryOpNode(location, ResultType::booleanType(), expr1, expr2, op_eq, rightHasAssignments)
 490     {
 491     }
 492
 493     inline NotEqualNode::NotEqualNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 494         : BinaryOpNode(location, ResultType::booleanType(), expr1, expr2, op_neq, rightHasAssignments)
 495     {
 496     }
 497
 498     inline StrictEqualNode::StrictEqualNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 499         : BinaryOpNode(location, ResultType::booleanType(), expr1, expr2, op_stricteq, rightHasAssignments)
 500     {
 501     }
 502
 503     inline NotStrictEqualNode::NotStrictEqualNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 504         : BinaryOpNode(location, ResultType::booleanType(), expr1, expr2, op_nstricteq, rightHasAssignments)
 505     {
 506     }
 507
 508     inline BitAndNode::BitAndNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 509         : BinaryOpNode(location, ResultType::forBitOp(), expr1, expr2, op_bitand, rightHasAssignments)
 510     {
 511     }
 512
 513     inline BitOrNode::BitOrNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 514         : BinaryOpNode(location, ResultType::forBitOp(), expr1, expr2, op_bitor, rightHasAssignments)
 515     {
 516     }
 517
 518     inline BitXOrNode::BitXOrNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, bool rightHasAssignments)
 519         : BinaryOpNode(location, ResultType::forBitOp(), expr1, expr2, op_bitxor, rightHasAssignments)
 520     {
 521     }
 522
 523     inline LogicalOpNode::LogicalOpNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, LogicalOperator oper)
 524         : ExpressionNode(location, ResultType::forLogicalOp(expr1->resultDescriptor(), expr2->resultDescriptor()))
 525         , m_expr1(expr1)
 526         , m_expr2(expr2)
 527         , m_operator(oper)
 528     {
 529     }
 530
 531     inline ConditionalNode::ConditionalNode(const JSTokenLocation& location, ExpressionNode* logical, ExpressionNode* expr1, ExpressionNode* expr2)
 532         : ExpressionNode(location)
 533         , m_logical(logical)
 534         , m_expr1(expr1)
 535         , m_expr2(expr2)
 536     {
 537     }
 538
 539     inline ReadModifyResolveNode::ReadModifyResolveNode(const JSTokenLocation& location, const Identifier& ident, Operator oper, ExpressionNode*  right, bool rightHasAssignments, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 540         : ExpressionNode(location)
 541         , ThrowableExpressionData(divot, startOffset, endOffset, divotLine, divotLineStart)
 542         , m_ident(ident)
 543         , m_right(right)
 544         , m_operator(oper)
 545         , m_rightHasAssignments(rightHasAssignments)
 546     {
 547         ASSERT(divot >= divotLineStart);
 548         ASSERT(divot - startOffset >= divotLineStart);
 549     }
 550
 551     inline AssignResolveNode::AssignResolveNode(const JSTokenLocation& location, const Identifier& ident, ExpressionNode* right)
 552         : ExpressionNode(location)
 553         , m_ident(ident)
 554         , m_right(right)
 555     {
 556     }
 557
 558     inline ReadModifyBracketNode::ReadModifyBracketNode(const JSTokenLocation& location, ExpressionNode* base, ExpressionNode* subscript, Operator oper, ExpressionNode* right, bool subscriptHasAssignments, bool rightHasAssignments, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 559         : ExpressionNode(location)
 560         , ThrowableSubExpressionData(divot, startOffset, endOffset, divotLine, divotLineStart)
 561         , m_base(base)
 562         , m_subscript(subscript)
 563         , m_right(right)
 564         , m_operator(oper)
 565         , m_subscriptHasAssignments(subscriptHasAssignments)
 566         , m_rightHasAssignments(rightHasAssignments)
 567     {
 568     }
 569
 570     inline AssignBracketNode::AssignBracketNode(const JSTokenLocation& location, ExpressionNode* base, ExpressionNode* subscript, ExpressionNode* right, bool subscriptHasAssignments, bool rightHasAssignments, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 571         : ExpressionNode(location)
 572         , ThrowableExpressionData(divot, startOffset, endOffset, divotLine, divotLineStart)
 573         , m_base(base)
 574         , m_subscript(subscript)
 575         , m_right(right)
 576         , m_subscriptHasAssignments(subscriptHasAssignments)
 577         , m_rightHasAssignments(rightHasAssignments)
 578     {
 579     }
 580
 581     inline AssignDotNode::AssignDotNode(const JSTokenLocation& location, ExpressionNode* base, const Identifier& ident, ExpressionNode* right, bool rightHasAssignments, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 582         : ExpressionNode(location)
 583         , ThrowableExpressionData(divot, startOffset, endOffset, divotLine, divotLineStart)
 584         , m_base(base)
 585         , m_ident(ident)
 586         , m_right(right)
 587         , m_rightHasAssignments(rightHasAssignments)
 588     {
 589     }
 590
 591     inline ReadModifyDotNode::ReadModifyDotNode(const JSTokenLocation& location, ExpressionNode* base, const Identifier& ident, Operator oper, ExpressionNode* right, bool rightHasAssignments, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 592         : ExpressionNode(location)
 593         , ThrowableSubExpressionData(divot, startOffset, endOffset, divotLine, divotLineStart)
 594         , m_base(base)
 595         , m_ident(ident)
 596         , m_right(right)
 597         , m_operator(oper)
 598         , m_rightHasAssignments(rightHasAssignments)
 599     {
 600     }
 601
 602     inline AssignErrorNode::AssignErrorNode(const JSTokenLocation& location, unsigned divot, unsigned startOffset, unsigned endOffset, unsigned divotLine, unsigned divotLineStart)
 603         : ExpressionNode(location)
 604         , ThrowableExpressionData(divot, startOffset, endOffset, divotLine, divotLineStart)
 605     {
 606     }
 607
 608     inline CommaNode::CommaNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2)
 609         : ExpressionNode(location)
 610     {
 611         m_expressions.append(expr1);
 612         m_expressions.append(expr2);
 613     }
 614
 615     inline ConstStatementNode::ConstStatementNode(const JSTokenLocation& location, ConstDeclNode* next)
 616         : StatementNode(location)
 617         , m_next(next)
 618     {
 619     }
 620
 621     inline SourceElements::SourceElements()
 622     {
 623     }
 624
 625     inline EmptyStatementNode::EmptyStatementNode(const JSTokenLocation& location)
 626         : StatementNode(location)
 627     {
 628     }
 629
 630     inline DebuggerStatementNode::DebuggerStatementNode(const JSTokenLocation& location)
 631         : StatementNode(location)
 632     {
 633     }
 634
 635     inline ExprStatementNode::ExprStatementNode(const JSTokenLocation& location, ExpressionNode* expr)
 636         : StatementNode(location)
 637         , m_expr(expr)
 638     {
 639     }
 640
 641     inline VarStatementNode::VarStatementNode(const JSTokenLocation& location, ExpressionNode* expr)
 642         : StatementNode(location)
 643         , m_expr(expr)
 644     {
 645     }
 646
 647     inline IfElseNode::IfElseNode(const JSTokenLocation& location, ExpressionNode* condition, StatementNode* ifBlock, StatementNode* elseBlock)
 648         : StatementNode(location)
 649         , m_condition(condition)
 650         , m_ifBlock(ifBlock)
 651         , m_elseBlock(elseBlock)
 652     {
 653     }
 654
 655     inline DoWhileNode::DoWhileNode(const JSTokenLocation& location, StatementNode* statement, ExpressionNode* expr)
 656         : StatementNode(location)
 657         , m_statement(statement)
 658         , m_expr(expr)
 659     {
 660     }
 661
 662     inline WhileNode::WhileNode(const JSTokenLocation& location, ExpressionNode* expr, StatementNode* statement)
 663         : StatementNode(location)
 664         , m_expr(expr)
 665         , m_statement(statement)
 666     {
 667     }
 668
 669     inline ForNode::ForNode(const JSTokenLocation& location, ExpressionNode* expr1, ExpressionNode* expr2, ExpressionNode* expr3, StatementNode* statement)
 670         : StatementNode(location)
 671         , m_expr1(expr1)
 672         , m_expr2(expr2)
 673         , m_expr3(expr3)
 674         , m_statement(statement)
 675     {
 676         ASSERT(statement);
 677     }
 678
 679     inline ContinueNode::ContinueNode(VM* vm, const JSTokenLocation& location)
 680         : StatementNode(location)
 681         , m_ident(vm->propertyNames->nullIdentifier)
 682     {
 683     }
 684
 685     inline ContinueNode::ContinueNode(const JSTokenLocation& location, const Identifier& ident)
 686         : StatementNode(location)
 687         , m_ident(ident)
 688     {
 689     }
 690
 691     inline BreakNode::BreakNode(VM* vm, const JSTokenLocation& location)
 692         : StatementNode(location)
 693         , m_ident(vm->propertyNames->nullIdentifier)
 694     {
 695     }
 696
 697     inline BreakNode::BreakNode(const JSTokenLocation& location, const Identifier& ident)
 698         : StatementNode(location)
 699         , m_ident(ident)
 700     {
 701     }
 702
 703     inline ReturnNode::ReturnNode(const JSTokenLocation& location, ExpressionNode* value)
 704         : StatementNode(location)
 705         , m_value(value)
 706     {
 707     }
 708
 709     inline WithNode::WithNode(const JSTokenLocation& location, ExpressionNode* expr, StatementNode* statement, uint32_t divot, unsigned divotLine, unsigned divotLineStart, uint32_t expressionLength)
 710         : StatementNode(location)
 711         , m_expr(expr)
 712         , m_statement(statement)
 713         , m_divot(divot)
 714         , m_divotLine(divotLine)
 715         , m_divotLineStart(divotLineStart)
 716         , m_expressionLength(expressionLength)
 717     {
 718     }
 719
 720     inline LabelNode::LabelNode(const JSTokenLocation& location, const Identifier& name, StatementNode* statement)
 721         : StatementNode(location)
 722         , m_name(name)
 723         , m_statement(statement)
 724     {
 725     }
 726
 727     inline ThrowNode::ThrowNode(const JSTokenLocation& location, ExpressionNode* expr)
 728         : StatementNode(location)
 729         , m_expr(expr)
 730     {
 731     }
 732
 733     inline TryNode::TryNode(const JSTokenLocation& location, StatementNode* tryBlock, const Identifier& exceptionIdent, StatementNode* catchBlock, StatementNode* finallyBlock)
 734         : StatementNode(location)
 735         , m_tryBlock(tryBlock)
 736         , m_exceptionIdent(exceptionIdent)
 737         , m_catchBlock(catchBlock)
 738         , m_finallyBlock(finallyBlock)
 739     {
 740     }
 741
 742     inline ParameterNode::ParameterNode(const Identifier& ident)
 743         : m_ident(ident)
 744         , m_next(0)
 745     {
 746     }
 747
 748     inline ParameterNode::ParameterNode(ParameterNode* l, const Identifier& ident)
 749         : m_ident(ident)
 750         , m_next(0)
 751     {
 752         l->m_next = this;
 753     }
 754
 755     inline FuncExprNode::FuncExprNode(const JSTokenLocation& location, const Identifier& ident, FunctionBodyNode* body, const SourceCode& source, ParameterNode* parameter)
 756         : ExpressionNode(location)
 757         , m_body(body)
 758     {
 759         m_body->finishParsing(source, parameter, ident, FunctionNameIsInScope);
 760     }
 761
 762     inline FuncDeclNode::FuncDeclNode(const JSTokenLocation& location, const Identifier& ident, FunctionBodyNode* body, const SourceCode& source, ParameterNode* parameter)
 763         : StatementNode(location)
 764         , m_body(body)
 765     {
 766         m_body->finishParsing(source, parameter, ident, FunctionNameIsNotInScope);
 767     }
 768
 769     inline CaseClauseNode::CaseClauseNode(ExpressionNode* expr, SourceElements* statements)
 770         : m_expr(expr)
 771         , m_statements(statements)
 772     {
 773     }
 774
 775     inline ClauseListNode::ClauseListNode(CaseClauseNode* clause)
 776         : m_clause(clause)
 777         , m_next(0)
 778     {
 779     }
 780
 781     inline ClauseListNode::ClauseListNode(ClauseListNode* clauseList, CaseClauseNode* clause)
 782         : m_clause(clause)
 783         , m_next(0)
 784     {
 785         clauseList->m_next = this;
 786     }
 787
 788     inline CaseBlockNode::CaseBlockNode(ClauseListNode* list1, CaseClauseNode* defaultClause, ClauseListNode* list2)
 789         : m_list1(list1)
 790         , m_defaultClause(defaultClause)
 791         , m_list2(list2)
 792     {
 793     }
 794
 795     inline SwitchNode::SwitchNode(const JSTokenLocation& location, ExpressionNode* expr, CaseBlockNode* block)
 796         : StatementNode(location)
 797         , m_expr(expr)
 798         , m_block(block)
 799     {
 800     }
 801
 802     inline ConstDeclNode::ConstDeclNode(const JSTokenLocation& location, const Identifier& ident, ExpressionNode* init)
 803         : ExpressionNode(location)
 804         , m_ident(ident)
 805         , m_next(0)
 806         , m_init(init)
 807     {
 808     }
 809
 810     inline BlockNode::BlockNode(const JSTokenLocation& location, SourceElements* statements)
 811         : StatementNode(location)
 812         , m_statements(statements)
 813     {
 814     }
 815
 816     inline ForInNode::ForInNode(const JSTokenLocation& location, ExpressionNode* l, ExpressionNode* expr, StatementNode* statement)
 817         : StatementNode(location)
 818         , m_init(0)
 819         , m_lexpr(l)
 820         , m_expr(expr)
 821         , m_statement(statement)
 822     {
 823     }
 824
 825     inline ForInNode::ForInNode(VM* vm, const JSTokenLocation& location, const Identifier& ident, ExpressionNode* in, ExpressionNode* expr, StatementNode* statement, unsigned divot, int startOffset, int endOffset, unsigned divotLine, unsigned divotLineStart)
 826         : StatementNode(location)
 827         , m_init(0)
 828         , m_lexpr(new (vm) ResolveNode(location, ident, divot - startOffset, divotLine, divotLineStart))
 829         , m_expr(expr)
 830         , m_statement(statement)
 831     {
 832         if (in) {
 833             AssignResolveNode* node = new (vm) AssignResolveNode(location, ident, in);
 834             ASSERT(divot >= divotLineStart);
 835             node->setExceptionSourceCode(divot, divot - startOffset, endOffset - divot, divotLine, divotLineStart);
 836             m_init = node;
 837         }
 838         // for( var foo = bar in baz )
 839     }
 840
 841 } // namespace JSC
 842
 843 #endif // NodeConstructors_h