Index: src/parser.cc |
diff --git a/src/parser.cc b/src/parser.cc |
index 5be6d82b67d582b11601b227c0f7b9d739ba2480..7a7a87a0bc6e08fe65ddac14e5e9651fedf0effc 100644 |
--- a/src/parser.cc |
+++ b/src/parser.cc |
@@ -4133,6 +4133,36 @@ void Parser::AddAssertIsConstruct(ZoneList<Statement*>* body, int pos) { |
} |
+Statement* Parser::BuildAssertIsCoercible(Variable* var) { |
+ // if (var === null || var === undefined) |
+ // return %ThrowNonCoercible(var); |
arv (Not doing code reviews)
2015/05/18 14:00:27
Instead of creating a new runtime function you can
Dmitry Lomov (no reviews)
2015/05/18 14:25:56
Done.
|
+ |
+ ZoneList<Expression*>* is_undetectable_arguments = |
+ new (zone()) ZoneList<Expression*>(1, zone()); |
+ is_undetectable_arguments->Add(factory()->NewVariableProxy(var), zone()); |
+ Expression* condition = factory()->NewBinaryOperation( |
+ Token::OR, factory()->NewCompareOperation( |
+ Token::EQ_STRICT, factory()->NewVariableProxy(var), |
+ factory()->NewUndefinedLiteral(RelocInfo::kNoPosition), |
+ RelocInfo::kNoPosition), |
+ factory()->NewCompareOperation( |
+ Token::EQ_STRICT, factory()->NewVariableProxy(var), |
+ factory()->NewNullLiteral(RelocInfo::kNoPosition), |
+ RelocInfo::kNoPosition), |
+ RelocInfo::kNoPosition); |
+ CallRuntime* non_callable_error = factory()->NewCallRuntime( |
+ ast_value_factory()->empty_string(), |
+ Runtime::FunctionForId(Runtime::kThrowNonCoercible), |
+ non_coercible_arguments, RelocInfo::kNoPosition); |
+ IfStatement* if_statement = factory()->NewIfStatement( |
+ condition, |
+ factory()->NewReturnStatement(non_callable_error, RelocInfo::kNoPosition), |
+ factory()->NewEmptyStatement(RelocInfo::kNoPosition), |
+ RelocInfo::kNoPosition); |
+ return if_statement; |
+} |
+ |
+ |
ZoneList<Statement*>* Parser::ParseEagerFunctionBody( |
const AstRawString* function_name, int pos, Variable* fvar, |
Token::Value fvar_init_op, FunctionKind kind, bool* ok) { |