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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef frontend_DecoratorEmitter_h
#define frontend_DecoratorEmitter_h
#include "mozilla/Attributes.h"
#include "mozilla/Maybe.h"
#include "frontend/ParseNode.h"
#include "js/AllocPolicy.h"
#include "js/Vector.h"
namespace js::frontend {
struct BytecodeEmitter;
class MOZ_STACK_CLASS DecoratorEmitter {
private:
BytecodeEmitter* bce_;
public:
enum Kind { Method, Getter, Setter, Field, Accessor, Class };
explicit DecoratorEmitter(BytecodeEmitter* bce);
[[nodiscard]] bool emitApplyDecoratorsToElementDefinition(
Kind kind, ParseNode* key, ListNode* decorators, bool isStatic);
[[nodiscard]] bool emitApplyDecoratorsToFieldDefinition(ParseNode* key,
ListNode* decorators,
bool isStatic);
[[nodiscard]] bool emitApplyDecoratorsToAccessorDefinition(
ParseNode* key, ListNode* decorators, bool isStatic);
[[nodiscard]] bool emitApplyDecoratorsToClassDefinition(ParseNode* key,
ListNode* decorators);
[[nodiscard]] bool emitInitializeFieldOrAccessor();
[[nodiscard]] bool emitCreateAddInitializerFunction(
FunctionNode* addInitializerFunction, TaggedParserAtomIndex initializers);
[[nodiscard]] bool emitCallExtraInitializers(
TaggedParserAtomIndex extraInitializers);
private:
[[nodiscard]] bool emitPropertyKey(ParseNode* key);
[[nodiscard]] bool emitDecorationState();
[[nodiscard]] bool emitUpdateDecorationState();
[[nodiscard]] bool emitCallDecoratorForElement(Kind kind, ParseNode* key,
bool isStatic,
ParseNode* decorator);
[[nodiscard]] bool emitCreateDecoratorAccessObject();
[[nodiscard]] bool emitCheckIsUndefined();
[[nodiscard]] bool emitCreateAddInitializerFunction();
[[nodiscard]] bool emitCreateDecoratorContextObject(Kind kind, ParseNode* key,
bool isStatic,
TokenPos pos);
[[nodiscard]] bool emitHandleNewValueField(TaggedParserAtomIndex atom,
int8_t offset);
using DecoratorsVector = js::Vector<ParseNode*, 2, js::SystemAllocPolicy>;
[[nodiscard]] bool reverseDecoratorsToApplicationOrder(
const ListNode* decorators, DecoratorsVector& vec);
};
} /* namespace js::frontend */
#endif /* frontend_DecoratorEmitter_h */
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