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LibJS: Make native function/property callbacks take VM, not Interpreter

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More work on decoupling the general runtime from Interpreter. The goal
is becoming clearer. Interpreter should be one possible way to execute
code inside a VM. In the future we might have other ways :^)
This commit is contained in:
Andreas Kling 2020-09-27 18:36:49 +02:00
parent 1ff9d33131
commit 340a115dfe
64 changed files with 1160 additions and 1114 deletions
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69
Libraries/LibJS/AST.cpp
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@ -75,13 +75,13 @@ static void update_function_name(Value& value, const FlyString& name)
update_function_name(value, name, visited);
}
static String get_function_name(Interpreter& interpreter, Value value)
static String get_function_name(GlobalObject& global_object, Value value)
{
if (value.is_symbol())
return String::format("[%s]", value.as_symbol().description().characters());
if (value.is_string())
return value.as_string().string();
return value.to_string(interpreter);
return value.to_string(global_object);
}
Value ScopeNode::execute(Interpreter& interpreter, GlobalObject& global_object) const
@ -106,6 +106,8 @@ Value ExpressionStatement::execute(Interpreter& interpreter, GlobalObject& globa
CallExpression::ThisAndCallee CallExpression::compute_this_and_callee(Interpreter& interpreter, GlobalObject& global_object) const
{
auto& vm = interpreter.vm();
if (is_new_expression()) {
// Computing |this| is irrelevant for "new" expression.
return { js_undefined(), m_callee->execute(interpreter, global_object) };
@ -129,13 +131,13 @@ CallExpression::ThisAndCallee CallExpression::compute_this_and_callee(Interprete
return {};
}
auto* this_value = is_super_property_lookup ? &interpreter.this_value(global_object).as_object() : lookup_target.to_object(interpreter, global_object);
auto* this_value = is_super_property_lookup ? &vm.this_value(global_object).as_object() : lookup_target.to_object(global_object);
if (interpreter.exception())
return {};
auto property_name = member_expression.computed_property_name(interpreter, global_object);
if (!property_name.is_valid())
return {};
auto callee = lookup_target.to_object(interpreter, global_object)->get(property_name).value_or(js_undefined());
auto callee = lookup_target.to_object(global_object)->get(property_name).value_or(js_undefined());
return { this_value, callee };
}
return { &global_object, m_callee->execute(interpreter, global_object) };
@ -387,7 +389,7 @@ Value ForInStatement::execute(Interpreter& interpreter, GlobalObject& global_obj
auto rhs_result = m_rhs->execute(interpreter, global_object);
if (interpreter.exception())
return {};
auto* object = rhs_result.to_object(interpreter, global_object);
auto* object = rhs_result.to_object(global_object);
while (object) {
auto property_names = object->get_own_properties(*object, Object::PropertyKind::Key, true);
for (auto& property_name : property_names.as_object().indexed_properties()) {
@ -479,11 +481,11 @@ Value BinaryExpression::execute(Interpreter& interpreter, GlobalObject& global_o
case BinaryOp::Modulo:
return mod(interpreter, lhs_result, rhs_result);
case BinaryOp::Exponentiation:
return exp(interpreter, lhs_result, rhs_result);
return exp(global_object, lhs_result, rhs_result);
case BinaryOp::TypedEquals:
return Value(strict_eq(interpreter, lhs_result, rhs_result));
return Value(strict_eq(lhs_result, rhs_result));
case BinaryOp::TypedInequals:
return Value(!strict_eq(interpreter, lhs_result, rhs_result));
return Value(!strict_eq(lhs_result, rhs_result));
case BinaryOp::AbstractEquals:
return Value(abstract_eq(interpreter, lhs_result, rhs_result));
case BinaryOp::AbstractInequals:
@ -511,7 +513,7 @@ Value BinaryExpression::execute(Interpreter& interpreter, GlobalObject& global_o
case BinaryOp::In:
return in(interpreter, lhs_result, rhs_result);
case BinaryOp::InstanceOf:
return instance_of(interpreter, lhs_result, rhs_result);
return instance_of(global_object, lhs_result, rhs_result);
}
ASSERT_NOT_REACHED();
@ -576,6 +578,7 @@ Reference MemberExpression::to_reference(Interpreter& interpreter, GlobalObject&
Value UnaryExpression::execute(Interpreter& interpreter, GlobalObject& global_object) const
{
auto& vm = interpreter.vm();
if (m_op == UnaryOp::Delete) {
auto reference = m_lhs->to_reference(interpreter, global_object);
if (interpreter.exception())
@ -586,7 +589,7 @@ Value UnaryExpression::execute(Interpreter& interpreter, GlobalObject& global_ob
ASSERT(!reference.is_local_variable());
if (reference.is_global_variable())
return global_object.delete_property(reference.name());
auto* base_object = reference.base().to_object(interpreter, global_object);
auto* base_object = reference.base().to_object(global_object);
if (!base_object)
return {};
return base_object->delete_property(reference.name());
@ -626,25 +629,25 @@ Value UnaryExpression::execute(Interpreter& interpreter, GlobalObject& global_ob
ASSERT_NOT_REACHED();
return {};
case Value::Type::Undefined:
return js_string(interpreter, "undefined");
return js_string(vm, "undefined");
case Value::Type::Null:
// yes, this is on purpose. yes, this is how javascript works.
// yes, it's silly.
return js_string(interpreter, "object");
return js_string(vm, "object");
case Value::Type::Number:
return js_string(interpreter, "number");
return js_string(vm, "number");
case Value::Type::String:
return js_string(interpreter, "string");
return js_string(vm, "string");
case Value::Type::Object:
if (lhs_result.is_function())
return js_string(interpreter, "function");
return js_string(interpreter, "object");
return js_string(vm, "function");
return js_string(vm, "object");
case Value::Type::Boolean:
return js_string(interpreter, "boolean");
return js_string(vm, "boolean");
case Value::Type::Symbol:
return js_string(interpreter, "symbol");
return js_string(vm, "symbol");
case Value::Type::BigInt:
return js_string(interpreter, "bigint");
return js_string(vm, "bigint");
default:
ASSERT_NOT_REACHED();
}
@ -730,20 +733,20 @@ Value ClassExpression::execute(Interpreter& interpreter, GlobalObject& global_ob
method_function.set_home_object(&target);
if (method.kind() == ClassMethod::Kind::Method) {
target.define_property(StringOrSymbol::from_value(interpreter, key), method_value);
target.define_property(StringOrSymbol::from_value(global_object, key), method_value);
} else {
String accessor_name = [&] {
switch (method.kind()) {
case ClassMethod::Kind::Getter:
return String::format("get %s", get_function_name(interpreter, key).characters());
return String::format("get %s", get_function_name(global_object, key).characters());
case ClassMethod::Kind::Setter:
return String::format("set %s", get_function_name(interpreter, key).characters());
return String::format("set %s", get_function_name(global_object, key).characters());
default:
ASSERT_NOT_REACHED();
}
}();
update_function_name(method_value, accessor_name);
target.define_accessor(StringOrSymbol::from_value(interpreter, key), method_function, method.kind() == ClassMethod::Kind::Getter, Attribute::Configurable | Attribute::Enumerable);
target.define_accessor(StringOrSymbol::from_value(global_object, key), method_function, method.kind() == ClassMethod::Kind::Getter, Attribute::Configurable | Attribute::Enumerable);
}
if (interpreter.exception())
return {};
@ -1232,7 +1235,7 @@ Value AssignmentExpression::execute(Interpreter& interpreter, GlobalObject& glob
lhs_result = m_lhs->execute(interpreter, global_object);
if (interpreter.exception())
return {};
rhs_result = exp(interpreter, lhs_result, rhs_result);
rhs_result = exp(global_object, lhs_result, rhs_result);
break;
case AssignmentOp::BitwiseAndAssignment:
lhs_result = m_lhs->execute(interpreter, global_object);
@ -1282,7 +1285,7 @@ Value AssignmentExpression::execute(Interpreter& interpreter, GlobalObject& glob
interpreter.vm().throw_exception<ReferenceError>(global_object, ErrorType::InvalidLeftHandAssignment);
return {};
}
update_function_name(rhs_result, get_function_name(interpreter, reference.name().to_value(interpreter)));
update_function_name(rhs_result, get_function_name(global_object, reference.name().to_value(interpreter)));
reference.put(interpreter, global_object, rhs_result);
if (interpreter.exception())
@ -1298,7 +1301,7 @@ Value UpdateExpression::execute(Interpreter& interpreter, GlobalObject& global_o
auto old_value = reference.get(interpreter, global_object);
if (interpreter.exception())
return {};
old_value = old_value.to_numeric(interpreter);
old_value = old_value.to_numeric(global_object);
if (interpreter.exception())
return {};
@ -1528,7 +1531,7 @@ Value ObjectExpression::execute(Interpreter& interpreter, GlobalObject& global_o
if (value.is_function() && property.is_method())
value.as_function().set_home_object(object);
String name = get_function_name(interpreter, key);
String name = get_function_name(global_object, key);
if (property.type() == ObjectProperty::Type::Getter) {
name = String::format("get %s", name.characters());
} else if (property.type() == ObjectProperty::Type::Setter) {
@ -1539,11 +1542,11 @@ Value ObjectExpression::execute(Interpreter& interpreter, GlobalObject& global_o
if (property.type() == ObjectProperty::Type::Getter || property.type() == ObjectProperty::Type::Setter) {
ASSERT(value.is_function());
object->define_accessor(PropertyName::from_value(interpreter, key), value.as_function(), property.type() == ObjectProperty::Type::Getter, Attribute::Configurable | Attribute::Enumerable);
object->define_accessor(PropertyName::from_value(global_object, key), value.as_function(), property.type() == ObjectProperty::Type::Getter, Attribute::Configurable | Attribute::Enumerable);
if (interpreter.exception())
return {};
} else {
object->define_property(PropertyName::from_value(interpreter, key), value);
object->define_property(PropertyName::from_value(global_object, key), value);
if (interpreter.exception())
return {};
}
@ -1577,7 +1580,7 @@ PropertyName MemberExpression::computed_property_name(Interpreter& interpreter,
if (index.is_symbol())
return &index.as_symbol();
auto index_string = index.to_string(interpreter);
auto index_string = index.to_string(global_object);
if (interpreter.exception())
return {};
return index_string;
@ -1599,7 +1602,7 @@ Value MemberExpression::execute(Interpreter& interpreter, GlobalObject& global_o
auto object_value = m_object->execute(interpreter, global_object);
if (interpreter.exception())
return {};
auto* object_result = object_value.to_object(interpreter, global_object);
auto* object_result = object_value.to_object(global_object);
if (interpreter.exception())
return {};
auto property_name = computed_property_name(interpreter, global_object);
@ -1697,7 +1700,7 @@ Value TemplateLiteral::execute(Interpreter& interpreter, GlobalObject& global_ob
auto expr = expression.execute(interpreter, global_object);
if (interpreter.exception())
return {};
auto string = expr.to_string(interpreter);
auto string = expr.to_string(global_object);
if (interpreter.exception())
return {};
string_builder.append(string);
@ -1849,7 +1852,7 @@ Value SwitchStatement::execute(Interpreter& interpreter, GlobalObject& global_ob
auto test_result = switch_case.test()->execute(interpreter, global_object);
if (interpreter.exception())
return {};
if (!strict_eq(interpreter, discriminant_result, test_result))
if (!strict_eq(discriminant_result, test_result))
continue;
}
falling_through = true;