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LibJS/Bytecode: Add support for new.target

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This commit is contained in:
Luke Wilde 2022-03-19 19:40:21 +00:00 • committed by Andreas Kling
parent fd235d8a06
commit eac5534ce4
5 changed files with 46 additions and 0 deletions
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21
Userland/Libraries/LibJS/Bytecode/ASTCodegen.cpp
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@ -2031,4 +2031,25 @@ Bytecode::CodeGenerationErrorOr<void> ForOfStatement::generate_bytecode(Bytecode
return for_in_of_body_evaluation(generator, *this, m_lhs, body(), head_result, loop_end, loop_update);
}
// 13.3.12.1 Runtime Semantics: Evaluation, https://tc39.es/ecma262/#sec-meta-properties-runtime-semantics-evaluation
Bytecode::CodeGenerationErrorOr<void> MetaProperty::generate_bytecode(Bytecode::Generator& generator) const
{
// NewTarget : new . target
if (m_type == MetaProperty::Type::NewTarget) {
// 1. Return GetNewTarget().
generator.emit<Bytecode::Op::GetNewTarget>();
return {};
}
// ImportMeta : import . meta
if (m_type == MetaProperty::Type::ImportMeta) {
return Bytecode::CodeGenerationError {
this,
"Unimplemented meta property: import.meta"sv,
};
}
VERIFY_NOT_REACHED();
}
}