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LibJS+Everywhere: Convert JS::Error to String

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This includes an Error::create overload to create an Error from a UTF-8
StringView. If creating a String from that view fails, the factory will
return an OOM InternalError instead. VM::throw_completion can also make
use of this overload via its perfect forwarding.
This commit is contained in:
Timothy Flynn 2023-02-16 14:09:11 -05:00 • committed by Tim Flynn
parent 153b793638
commit 88814acbd3
36 changed files with 198 additions and 151 deletions
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27
Userland/Libraries/LibJS/Runtime/Error.h
View file

@ -8,6 +8,7 @@
#pragma once
#include <AK/DeprecatedFlyString.h>
#include <AK/String.h>
#include <LibJS/Runtime/Completion.h>
#include <LibJS/Runtime/Object.h>
#include <LibJS/SourceRange.h>
@ -24,11 +25,12 @@ class Error : public Object {
public:
static NonnullGCPtr<Error> create(Realm&);
static NonnullGCPtr<Error> create(Realm&, DeprecatedString const& message);
static NonnullGCPtr<Error> create(Realm&, String message);
static ThrowCompletionOr<NonnullGCPtr<Error>> create(Realm&, StringView message);
virtual ~Error() override = default;
[[nodiscard]] DeprecatedString stack_string() const;
[[nodiscard]] ThrowCompletionOr<String> stack_string(VM&) const;
ThrowCompletionOr<void> install_error_cause(Value options);
@ -45,16 +47,17 @@ private:
// NOTE: Making these inherit from Error is not required by the spec but
// our way of implementing the [[ErrorData]] internal slot, which is
// used in Object.prototype.toString().
#define DECLARE_NATIVE_ERROR(ClassName, snake_name, PrototypeName, ConstructorName) \
class ClassName final : public Error { \
JS_OBJECT(ClassName, Error); \
\
public: \
static NonnullGCPtr<ClassName> create(Realm&); \
static NonnullGCPtr<ClassName> create(Realm&, DeprecatedString const& message); \
\
explicit ClassName(Object& prototype); \
virtual ~ClassName() override = default; \
#define DECLARE_NATIVE_ERROR(ClassName, snake_name, PrototypeName, ConstructorName) \
class ClassName final : public Error { \
JS_OBJECT(ClassName, Error); \
\
public: \
static NonnullGCPtr<ClassName> create(Realm&); \
static NonnullGCPtr<ClassName> create(Realm&, String message); \
static ThrowCompletionOr<NonnullGCPtr<ClassName>> create(Realm&, StringView message); \
\
explicit ClassName(Object& prototype); \
virtual ~ClassName() override = default; \
};
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \