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LibJS: Add bytecode ops for loading boolean and null values

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This commit is contained in:
Gunnar Beutner 2021-06-07 20:22:15 +02:00 • committed by Andreas Kling
parent 6e2b266534
commit 8ed5b7dcfa
2 changed files with 16 additions and 0 deletions
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2
Userland/Libraries/LibJS/AST.h
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@ -624,6 +624,7 @@ public:
virtual Value execute(Interpreter&, GlobalObject&) const override;
virtual void dump(int indent) const override;
virtual Optional<Bytecode::Register> generate_bytecode(Bytecode::Generator&) const override;
private:
bool m_value { false };
@ -690,6 +691,7 @@ public:
virtual Value execute(Interpreter&, GlobalObject&) const override;
virtual void dump(int indent) const override;
virtual Optional<Bytecode::Register> generate_bytecode(Bytecode::Generator&) const override;
};
class RegExpLiteral final : public Literal {

14
Userland/Libraries/LibJS/Bytecode/ASTCodegen.cpp
View file

@ -100,6 +100,20 @@ Optional<Bytecode::Register> NumericLiteral::generate_bytecode(Bytecode::Generat
return dst;
}
Optional<Bytecode::Register> BooleanLiteral::generate_bytecode(Bytecode::Generator& generator) const
{
auto dst = generator.allocate_register();
generator.emit<Bytecode::Op::Load>(dst, Value(m_value));
return dst;
}
Optional<Bytecode::Register> NullLiteral::generate_bytecode(Bytecode::Generator& generator) const
{
auto dst = generator.allocate_register();
generator.emit<Bytecode::Op::Load>(dst, js_null());
return dst;
}
Optional<Bytecode::Register> StringLiteral::generate_bytecode(Bytecode::Generator& generator) const
{
auto dst = generator.allocate_register();