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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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49 #define DECL_ACCEPT(type) \ | 49 #define DECL_ACCEPT(type) \ |
50 void type::Accept(AstVisitor* v) { v->Visit##type(this); } | 50 void type::Accept(AstVisitor* v) { v->Visit##type(this); } |
51 AST_NODE_LIST(DECL_ACCEPT) | 51 AST_NODE_LIST(DECL_ACCEPT) |
52 #undef DECL_ACCEPT | 52 #undef DECL_ACCEPT |
53 | 53 |
54 | 54 |
55 // ---------------------------------------------------------------------------- | 55 // ---------------------------------------------------------------------------- |
56 // Implementation of other node functionality. | 56 // Implementation of other node functionality. |
57 | 57 |
58 | 58 |
59 bool Expression::IsSmiLiteral() { | 59 bool Expression::IsSmiLiteral() const { |
60 return AsLiteral() != NULL && AsLiteral()->value()->IsSmi(); | 60 return AsLiteral() != NULL && AsLiteral()->value()->IsSmi(); |
61 } | 61 } |
62 | 62 |
63 | 63 |
64 bool Expression::IsStringLiteral() { | 64 bool Expression::IsStringLiteral() const { |
65 return AsLiteral() != NULL && AsLiteral()->value()->IsString(); | 65 return AsLiteral() != NULL && AsLiteral()->value()->IsString(); |
66 } | 66 } |
67 | 67 |
68 | 68 |
69 bool Expression::IsNullLiteral() { | 69 bool Expression::IsNullLiteral() const { |
70 return AsLiteral() != NULL && AsLiteral()->value()->IsNull(); | 70 return AsLiteral() != NULL && AsLiteral()->value()->IsNull(); |
71 } | 71 } |
72 | 72 |
73 | 73 |
74 bool Expression::IsUndefinedLiteral(Isolate* isolate) { | 74 bool Expression::IsUndefinedLiteral(Isolate* isolate) const { |
75 VariableProxy* var_proxy = AsVariableProxy(); | 75 const VariableProxy* var_proxy = AsVariableProxy(); |
76 if (var_proxy == NULL) return false; | 76 if (var_proxy == NULL) return false; |
77 Variable* var = var_proxy->var(); | 77 Variable* var = var_proxy->var(); |
78 // The global identifier "undefined" is immutable. Everything | 78 // The global identifier "undefined" is immutable. Everything |
79 // else could be reassigned. | 79 // else could be reassigned. |
80 return var != NULL && var->location() == Variable::UNALLOCATED && | 80 return var != NULL && var->location() == Variable::UNALLOCATED && |
81 var_proxy->name()->Equals(isolate->heap()->undefined_string()); | 81 var_proxy->name()->Equals(isolate->heap()->undefined_string()); |
82 } | 82 } |
83 | 83 |
84 | 84 |
85 VariableProxy::VariableProxy(Zone* zone, Variable* var, int position) | 85 VariableProxy::VariableProxy(Zone* zone, Variable* var, int position) |
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456 void BinaryOperation::RecordToBooleanTypeFeedback(TypeFeedbackOracle* oracle) { | 456 void BinaryOperation::RecordToBooleanTypeFeedback(TypeFeedbackOracle* oracle) { |
457 // TODO(olivf) If this Operation is used in a test context, then the right | 457 // TODO(olivf) If this Operation is used in a test context, then the right |
458 // hand side has a ToBoolean stub and we want to collect the type information. | 458 // hand side has a ToBoolean stub and we want to collect the type information. |
459 // However the GraphBuilder expects it to be on the instruction corresponding | 459 // However the GraphBuilder expects it to be on the instruction corresponding |
460 // to the TestContext, therefore we have to store it here and not on the | 460 // to the TestContext, therefore we have to store it here and not on the |
461 // right hand operand. | 461 // right hand operand. |
462 set_to_boolean_types(oracle->ToBooleanTypes(right()->test_id())); | 462 set_to_boolean_types(oracle->ToBooleanTypes(right()->test_id())); |
463 } | 463 } |
464 | 464 |
465 | 465 |
466 bool BinaryOperation::ResultOverwriteAllowed() { | 466 bool BinaryOperation::ResultOverwriteAllowed() const { |
467 switch (op_) { | 467 switch (op_) { |
468 case Token::COMMA: | 468 case Token::COMMA: |
469 case Token::OR: | 469 case Token::OR: |
470 case Token::AND: | 470 case Token::AND: |
471 return false; | 471 return false; |
472 case Token::BIT_OR: | 472 case Token::BIT_OR: |
473 case Token::BIT_XOR: | 473 case Token::BIT_XOR: |
474 case Token::BIT_AND: | 474 case Token::BIT_AND: |
475 case Token::SHL: | 475 case Token::SHL: |
476 case Token::SAR: | 476 case Token::SAR: |
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1175 OS::SNPrintF(buffer, "%d", Smi::cast(*value_)->value()); | 1175 OS::SNPrintF(buffer, "%d", Smi::cast(*value_)->value()); |
1176 str = arr; | 1176 str = arr; |
1177 } else { | 1177 } else { |
1178 str = DoubleToCString(value_->Number(), buffer); | 1178 str = DoubleToCString(value_->Number(), buffer); |
1179 } | 1179 } |
1180 return isolate_->factory()->NewStringFromAscii(CStrVector(str)); | 1180 return isolate_->factory()->NewStringFromAscii(CStrVector(str)); |
1181 } | 1181 } |
1182 | 1182 |
1183 | 1183 |
1184 } } // namespace v8::internal | 1184 } } // namespace v8::internal |
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