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LibJS/Bytecode: Add codegen for "named evaluation if anonymous function"

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This gives anonymous functions the name from the LHS they are being
assigned to.

171 new passes on test262. :^)
This commit is contained in:
Andreas Kling 2023-06-23 14:27:42 +02:00
parent a92d94f4e9
commit 85a3a1c085
8 changed files with 109 additions and 27 deletions
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14
Userland/Libraries/LibJS/Bytecode/Op.h
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@ -21,6 +21,10 @@
#include <LibJS/Runtime/Value.h>
#include <LibJS/Runtime/ValueTraits.h>
namespace JS {
class FunctionExpression;
}
namespace JS::Bytecode::Op {
class Load final : public Instruction {
@ -798,9 +802,10 @@ private:
class NewClass final : public Instruction {
public:
explicit NewClass(ClassExpression const& class_expression)
explicit NewClass(ClassExpression const& class_expression, Optional<DeprecatedFlyString const&> lhs_name)
: Instruction(Type::NewClass)
, m_class_expression(class_expression)
, m_lhs_name(lhs_name.has_value() ? *lhs_name : Optional<DeprecatedFlyString> {})
{
}
@ -811,13 +816,15 @@ public:
private:
ClassExpression const& m_class_expression;
Optional<DeprecatedFlyString> m_lhs_name;
};
class NewFunction final : public Instruction {
public:
explicit NewFunction(FunctionNode const& function_node, Optional<Register> home_object = {})
explicit NewFunction(FunctionExpression const& function_node, Optional<DeprecatedFlyString const&> lhs_name, Optional<Register> home_object = {})
: Instruction(Type::NewFunction)
, m_function_node(function_node)
, m_lhs_name(lhs_name.has_value() ? *lhs_name : Optional<DeprecatedFlyString> {})
, m_home_object(move(home_object))
{
}
@ -828,7 +835,8 @@ public:
void replace_references_impl(Register, Register);
private:
FunctionNode const& m_function_node;
FunctionExpression const& m_function_node;
Optional<DeprecatedFlyString> m_lhs_name;
Optional<Register> m_home_object;
};