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LibJS: Make sure that if expressions yield the correct value

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When evaluated as an expression "if (true) { 3 } else { 5 }"
should yield 3. This updates the bytecode interpreter to make
it so.
This commit is contained in:
Gunnar Beutner
2021-06-07 22:05:09 +02:00
committed by Andreas Kling
parent 2c10bd72f2
commit 93eae063a1
4 changed files with 34 additions and 5 deletions
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10
Userland/Libraries/LibJS/Bytecode/Op.cpp
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@@ -52,6 +52,11 @@ void Load::execute(Bytecode::Interpreter& interpreter) const
interpreter.reg(m_dst) = m_value;
}
void LoadRegister::execute(Bytecode::Interpreter& interpreter) const
{
interpreter.reg(m_dst) = interpreter.reg(m_src);
}
void Add::execute(Bytecode::Interpreter& interpreter) const
{
interpreter.reg(m_dst) = add(interpreter.global_object(), interpreter.reg(m_src1), interpreter.reg(m_src2));
@@ -284,6 +289,11 @@ String Load::to_string() const
return String::formatted("Load dst:{}, value:{}", m_dst, m_value.to_string_without_side_effects());
}
String LoadRegister::to_string() const
{
return String::formatted("LoadRegister dst:{}, src:{}", m_dst, m_src);
}
String Add::to_string() const
{
return String::formatted("Add dst:{}, src1:{}, src2:{}", m_dst, m_src1, m_src2);