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/* Compiler implementation of the D programming language
* Copyright (C) 1999-2022 by The D Language Foundation, All Rights Reserved
* written by Walter Bright
* https://www.digitalmars.com
* Distributed under the Boost Software License, Version 1.0.
* https://www.boost.org/LICENSE_1_0.txt
* https://github.com/dlang/dmd/blob/master/src/dmd/ctfe.h
*/
#pragma once
#include "tokens.h"
#include "expression.h"
/**
A reference to a class, or an interface. We need this when we
point to a base class (we must record what the type is).
*/
class ClassReferenceExp final : public Expression
{
public:
StructLiteralExp *value;
ClassDeclaration *originalClass();
/// Return index of the field, or -1 if not found
/// Same as getFieldIndex, but checks for a direct match with the VarDeclaration
int findFieldIndexByName(VarDeclaration *v);
void accept(Visitor *v) override { v->visit(this); }
};
/**
An uninitialized value
*/
class VoidInitExp final : public Expression
{
public:
VarDeclaration *var;
const char *toChars() const override;
void accept(Visitor *v) override { v->visit(this); }
};
/**
Fake class which holds the thrown exception.
Used for implementing exception handling.
*/
class ThrownExceptionExp final : public Expression
{
public:
ClassReferenceExp *thrown; // the thing being tossed
const char *toChars() const override;
void accept(Visitor *v) override { v->visit(this); }
};
/****************************************************************/
// This type is only used by the interpreter.
class CTFEExp final : public Expression
{
public:
const char *toChars() const override;
};
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