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LibJS: Convert to_number() to ThrowCompletionOr

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This commit is contained in:
Idan Horowitz 2021-10-17 23:20:05 +03:00
parent a36ee213b9
commit 20d990563c
22 changed files with 149 additions and 343 deletions
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13
Userland/Libraries/LibJS/Runtime/GlobalObject.cpp
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@ -341,19 +341,13 @@ JS_DEFINE_NATIVE_FUNCTION(GlobalObject::gc)
// 19.2.3 isNaN ( number ), https://tc39.es/ecma262/#sec-isnan-number
JS_DEFINE_NATIVE_FUNCTION(GlobalObject::is_nan)
{
auto number = vm.argument(0).to_number(global_object);
if (vm.exception())
return {};
return Value(number.is_nan());
return Value(TRY_OR_DISCARD(vm.argument(0).to_number(global_object)).is_nan());
}
// 19.2.2 isFinite ( number ), https://tc39.es/ecma262/#sec-isfinite-number
JS_DEFINE_NATIVE_FUNCTION(GlobalObject::is_finite)
{
auto number = vm.argument(0).to_number(global_object);
if (vm.exception())
return {};
return Value(number.is_finite_number());
return Value(TRY_OR_DISCARD(vm.argument(0).to_number(global_object)).is_finite_number());
}
// 19.2.4 parseFloat ( string ), https://tc39.es/ecma262/#sec-parsefloat-string
@ -364,8 +358,7 @@ JS_DEFINE_NATIVE_FUNCTION(GlobalObject::parse_float)
auto input_string = TRY_OR_DISCARD(vm.argument(0).to_string(global_object));
auto trimmed_string = input_string.trim_whitespace(TrimMode::Left);
for (size_t length = trimmed_string.length(); length > 0; --length) {
// This can't throw, so no exception check is fine.
auto number = Value(js_string(vm, trimmed_string.substring(0, length))).to_number(global_object);
auto number = MUST(Value(js_string(vm, trimmed_string.substring(0, length))).to_number(global_object));
if (!number.is_nan())
return number;
}