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LibJS: Convert to_numeric() to ThrowCompletionOr

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This commit is contained in:
Idan Horowitz 2021-10-16 21:42:32 +03:00 • committed by Linus Groh
parent e35222a76e
commit b8f101888b
5 changed files with 44 additions and 98 deletions
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4
Userland/Libraries/LibJS/AST.cpp
View file

@ -2055,9 +2055,7 @@ Value UpdateExpression::execute(Interpreter& interpreter, GlobalObject& global_o
auto old_value = reference.get_value(global_object);
if (interpreter.exception())
return {};
old_value = old_value.to_numeric(global_object);
if (interpreter.exception())
return {};
old_value = TRY_OR_DISCARD(old_value.to_numeric(global_object));
Value new_value;
switch (m_op) {

10
Userland/Libraries/LibJS/Bytecode/Op.cpp
View file

@ -351,9 +351,10 @@ void Return::execute_impl(Bytecode::Interpreter& interpreter) const
void Increment::execute_impl(Bytecode::Interpreter& interpreter) const
{
auto old_value = interpreter.accumulator().to_numeric(interpreter.global_object());
if (interpreter.vm().exception())
auto old_value_or_error = interpreter.accumulator().to_numeric(interpreter.global_object());
if (old_value_or_error.is_error())
return;
auto old_value = old_value_or_error.release_value();
if (old_value.is_number())
interpreter.accumulator() = Value(old_value.as_double() + 1);
@ -363,9 +364,10 @@ void Increment::execute_impl(Bytecode::Interpreter& interpreter) const
void Decrement::execute_impl(Bytecode::Interpreter& interpreter) const
{
auto old_value = interpreter.accumulator().to_numeric(interpreter.global_object());
if (interpreter.vm().exception())
auto old_value_or_error = interpreter.accumulator().to_numeric(interpreter.global_object());
if (old_value_or_error.is_error())
return;
auto old_value = old_value_or_error.release_value();
if (old_value.is_number())
interpreter.accumulator() = Value(old_value.as_double() - 1);

4
Userland/Libraries/LibJS/Runtime/NumberConstructor.cpp
View file

@ -66,9 +66,7 @@ static Value get_value_from_constructor_argument(GlobalObject& global_object)
Value number;
if (vm.argument_count() > 0) {
auto primitive = vm.argument(0).to_numeric(global_object);
if (vm.exception())
return {};
auto primitive = TRY_OR_DISCARD(vm.argument(0).to_numeric(global_object));
if (primitive.is_bigint()) {
// FIXME: How should huge values be handled here?
auto& big_integer = primitive.as_bigint().big_integer();

122
Userland/Libraries/LibJS/Runtime/Value.cpp
View file

@ -459,12 +459,16 @@ ThrowCompletionOr<Object*> Value::to_object(GlobalObject& global_object) const
}
// 7.1.3 ToNumeric ( value ), https://tc39.es/ecma262/#sec-tonumeric
FLATTEN Value Value::to_numeric(GlobalObject& global_object) const
FLATTEN ThrowCompletionOr<Value> Value::to_numeric(GlobalObject& global_object) const
{
auto primitive = TRY_OR_DISCARD(to_primitive(global_object, Value::PreferredType::Number));
auto& vm = global_object.vm();
auto primitive = TRY(to_primitive(global_object, Value::PreferredType::Number));
if (primitive.is_bigint())
return primitive;
return primitive.to_number(global_object);
auto number = primitive.to_number(global_object);
if (auto* exception = vm.exception())
return throw_completion(exception->value());
return number;
}
// 7.1.4 ToNumber ( argument ), https://tc39.es/ecma262/#sec-tonumber
@ -853,12 +857,8 @@ Value less_than_equals(GlobalObject& global_object, Value lhs, Value rhs)
Value bitwise_and(GlobalObject& global_object, Value lhs, Value rhs)
{
auto& vm = global_object.vm();
auto lhs_numeric = lhs.to_numeric(global_object);
if (vm.exception())
return {};
auto rhs_numeric = rhs.to_numeric(global_object);
if (vm.exception())
return {};
auto lhs_numeric = TRY_OR_DISCARD(lhs.to_numeric(global_object));
auto rhs_numeric = TRY_OR_DISCARD(rhs.to_numeric(global_object));
if (both_number(lhs_numeric, rhs_numeric)) {
if (!lhs_numeric.is_finite_number() || !rhs_numeric.is_finite_number())
return Value(0);
@ -874,12 +874,8 @@ Value bitwise_and(GlobalObject& global_object, Value lhs, Value rhs)
Value bitwise_or(GlobalObject& global_object, Value lhs, Value rhs)
{
auto& vm = global_object.vm();
auto lhs_numeric = lhs.to_numeric(global_object);
if (vm.exception())
return {};
auto rhs_numeric = rhs.to_numeric(global_object);
if (vm.exception())
return {};
auto lhs_numeric = TRY_OR_DISCARD(lhs.to_numeric(global_object));
auto rhs_numeric = TRY_OR_DISCARD(rhs.to_numeric(global_object));
if (both_number(lhs_numeric, rhs_numeric)) {
if (!lhs_numeric.is_finite_number() && !rhs_numeric.is_finite_number())
return Value(0);
@ -899,12 +895,8 @@ Value bitwise_or(GlobalObject& global_object, Value lhs, Value rhs)
Value bitwise_xor(GlobalObject& global_object, Value lhs, Value rhs)
{
auto& vm = global_object.vm();
auto lhs_numeric = lhs.to_numeric(global_object);
if (vm.exception())
return {};
auto rhs_numeric = rhs.to_numeric(global_object);
if (vm.exception())
return {};
auto lhs_numeric = TRY_OR_DISCARD(lhs.to_numeric(global_object));
auto rhs_numeric = TRY_OR_DISCARD(rhs.to_numeric(global_object));
if (both_number(lhs_numeric, rhs_numeric)) {
if (!lhs_numeric.is_finite_number() && !rhs_numeric.is_finite_number())
return Value(0);
@ -924,9 +916,7 @@ Value bitwise_xor(GlobalObject& global_object, Value lhs, Value rhs)
Value bitwise_not(GlobalObject& global_object, Value lhs)
{
auto& vm = global_object.vm();
auto lhs_numeric = lhs.to_numeric(global_object);
if (vm.exception())
return {};
auto lhs_numeric = TRY_OR_DISCARD(lhs.to_numeric(global_object));
if (lhs_numeric.is_number())
return Value(~lhs_numeric.to_i32(global_object));
auto big_integer_bitwise_not = lhs_numeric.as_bigint().big_integer();
@ -945,9 +935,7 @@ Value unary_plus(GlobalObject& global_object, Value lhs)
Value unary_minus(GlobalObject& global_object, Value lhs)
{
auto& vm = global_object.vm();
auto lhs_numeric = lhs.to_numeric(global_object);
if (vm.exception())
return {};
auto lhs_numeric = TRY_OR_DISCARD(lhs.to_numeric(global_object));
if (lhs_numeric.is_number()) {
if (lhs_numeric.is_nan())
return js_nan();
@ -964,12 +952,8 @@ Value unary_minus(GlobalObject& global_object, Value lhs)
Value left_shift(GlobalObject& global_object, Value lhs, Value rhs)
{
auto& vm = global_object.vm();
auto lhs_numeric = lhs.to_numeric(global_object);
if (vm.exception())
return {};
auto rhs_numeric = rhs.to_numeric(global_object);
if (vm.exception())
return {};
auto lhs_numeric = TRY_OR_DISCARD(lhs.to_numeric(global_object));
auto rhs_numeric = TRY_OR_DISCARD(rhs.to_numeric(global_object));
if (both_number(lhs_numeric, rhs_numeric)) {
if (!lhs_numeric.is_finite_number())
return Value(0);
@ -995,12 +979,8 @@ Value left_shift(GlobalObject& global_object, Value lhs, Value rhs)
Value right_shift(GlobalObject& global_object, Value lhs, Value rhs)
{
auto& vm = global_object.vm();
auto lhs_numeric = lhs.to_numeric(global_object);
if (vm.exception())
return {};
auto rhs_numeric = rhs.to_numeric(global_object);
if (vm.exception())
return {};
auto lhs_numeric = TRY_OR_DISCARD(lhs.to_numeric(global_object));
auto rhs_numeric = TRY_OR_DISCARD(rhs.to_numeric(global_object));
if (both_number(lhs_numeric, rhs_numeric)) {
if (!lhs_numeric.is_finite_number())
return Value(0);
@ -1022,12 +1002,8 @@ Value right_shift(GlobalObject& global_object, Value lhs, Value rhs)
// 13.9.3 The Unsigned Right Shift Operator ( >>> ), https://tc39.es/ecma262/#sec-unsigned-right-shift-operator
Value unsigned_right_shift(GlobalObject& global_object, Value lhs, Value rhs)
{
auto lhs_numeric = lhs.to_numeric(global_object);
if (global_object.vm().exception())
return {};
auto rhs_numeric = rhs.to_numeric(global_object);
if (global_object.vm().exception())
return {};
auto lhs_numeric = TRY_OR_DISCARD(lhs.to_numeric(global_object));
auto rhs_numeric = TRY_OR_DISCARD(rhs.to_numeric(global_object));
if (both_number(lhs_numeric, rhs_numeric)) {
if (!lhs_numeric.is_finite_number())
return Value(0);
@ -1083,12 +1059,8 @@ Value add(GlobalObject& global_object, Value lhs, Value rhs)
return js_string(vm, builder.to_string());
}
auto lhs_numeric = lhs_primitive.to_numeric(global_object);
if (vm.exception())
return {};
auto rhs_numeric = rhs_primitive.to_numeric(global_object);
if (vm.exception())
return {};
auto lhs_numeric = TRY_OR_DISCARD(lhs_primitive.to_numeric(global_object));
auto rhs_numeric = TRY_OR_DISCARD(rhs_primitive.to_numeric(global_object));
if (both_number(lhs_numeric, rhs_numeric))
return Value(lhs_numeric.as_double() + rhs_numeric.as_double());
if (both_bigint(lhs_numeric, rhs_numeric))
@ -1101,12 +1073,8 @@ Value add(GlobalObject& global_object, Value lhs, Value rhs)
Value sub(GlobalObject& global_object, Value lhs, Value rhs)
{
auto& vm = global_object.vm();
auto lhs_numeric = lhs.to_numeric(global_object);
if (vm.exception())
return {};
auto rhs_numeric = rhs.to_numeric(global_object);
if (vm.exception())
return {};
auto lhs_numeric = TRY_OR_DISCARD(lhs.to_numeric(global_object));
auto rhs_numeric = TRY_OR_DISCARD(rhs.to_numeric(global_object));
if (both_number(lhs_numeric, rhs_numeric))
return Value(lhs_numeric.as_double() - rhs_numeric.as_double());
if (both_bigint(lhs_numeric, rhs_numeric))
@ -1119,12 +1087,8 @@ Value sub(GlobalObject& global_object, Value lhs, Value rhs)
Value mul(GlobalObject& global_object, Value lhs, Value rhs)
{
auto& vm = global_object.vm();
auto lhs_numeric = lhs.to_numeric(global_object);
if (vm.exception())
return {};
auto rhs_numeric = rhs.to_numeric(global_object);
if (vm.exception())
return {};
auto lhs_numeric = TRY_OR_DISCARD(lhs.to_numeric(global_object));
auto rhs_numeric = TRY_OR_DISCARD(rhs.to_numeric(global_object));
if (both_number(lhs_numeric, rhs_numeric))
return Value(lhs_numeric.as_double() * rhs_numeric.as_double());
if (both_bigint(lhs_numeric, rhs_numeric))
@ -1137,12 +1101,8 @@ Value mul(GlobalObject& global_object, Value lhs, Value rhs)
Value div(GlobalObject& global_object, Value lhs, Value rhs)
{
auto& vm = global_object.vm();
auto lhs_numeric = lhs.to_numeric(global_object);
if (vm.exception())
return {};
auto rhs_numeric = rhs.to_numeric(global_object);
if (vm.exception())
return {};
auto lhs_numeric = TRY_OR_DISCARD(lhs.to_numeric(global_object));
auto rhs_numeric = TRY_OR_DISCARD(rhs.to_numeric(global_object));
if (both_number(lhs_numeric, rhs_numeric))
return Value(lhs_numeric.as_double() / rhs_numeric.as_double());
if (both_bigint(lhs_numeric, rhs_numeric)) {
@ -1160,12 +1120,8 @@ Value div(GlobalObject& global_object, Value lhs, Value rhs)
Value mod(GlobalObject& global_object, Value lhs, Value rhs)
{
auto& vm = global_object.vm();
auto lhs_numeric = lhs.to_numeric(global_object);
if (vm.exception())
return {};
auto rhs_numeric = rhs.to_numeric(global_object);
if (vm.exception())
return {};
auto lhs_numeric = TRY_OR_DISCARD(lhs.to_numeric(global_object));
auto rhs_numeric = TRY_OR_DISCARD(rhs.to_numeric(global_object));
if (both_number(lhs_numeric, rhs_numeric)) {
// 6.1.6.1.6 Number::remainder ( n, d ), https://tc39.es/ecma262/#sec-numeric-types-number-remainder
@ -1214,12 +1170,8 @@ Value mod(GlobalObject& global_object, Value lhs, Value rhs)
Value exp(GlobalObject& global_object, Value lhs, Value rhs)
{
auto& vm = global_object.vm();
auto lhs_numeric = lhs.to_numeric(global_object);
if (vm.exception())
return {};
auto rhs_numeric = rhs.to_numeric(global_object);
if (vm.exception())
return {};
auto lhs_numeric = TRY_OR_DISCARD(lhs.to_numeric(global_object));
auto rhs_numeric = TRY_OR_DISCARD(rhs.to_numeric(global_object));
if (both_number(lhs_numeric, rhs_numeric))
return Value(pow(lhs_numeric.as_double(), rhs_numeric.as_double()));
if (both_bigint(lhs_numeric, rhs_numeric)) {
@ -1534,12 +1486,8 @@ TriState is_less_than(GlobalObject& global_object, bool left_first, Value lhs, V
return TriState::False;
}
auto x_numeric = x_primitive.to_numeric(global_object);
if (global_object.vm().exception())
return {};
auto y_numeric = y_primitive.to_numeric(global_object);
if (global_object.vm().exception())
return {};
auto x_numeric = TRY_OR_DISCARD(x_primitive.to_numeric(global_object));
auto y_numeric = TRY_OR_DISCARD(y_primitive.to_numeric(global_object));
if (x_numeric.is_nan() || y_numeric.is_nan())
return TriState::Unknown;

2
Userland/Libraries/LibJS/Runtime/Value.h
View file

@ -308,7 +308,7 @@ public:
ThrowCompletionOr<PrimitiveString*> to_primitive_string(GlobalObject&);
ThrowCompletionOr<Value> to_primitive(GlobalObject&, PreferredType preferred_type = PreferredType::Default) const;
ThrowCompletionOr<Object*> to_object(GlobalObject&) const;
Value to_numeric(GlobalObject&) const;
ThrowCompletionOr<Value> to_numeric(GlobalObject&) const;
Value to_number(GlobalObject&) const;
BigInt* to_bigint(GlobalObject&) const;
i64 to_bigint_int64(GlobalObject&) const;