1  
       2  /* Compiler implementation of the D programming language
       3   * Copyright (C) 1999-2023 by The D Language Foundation, All Rights Reserved
       4   * written by Walter Bright
       5   * https://www.digitalmars.com
       6   * Distributed under the Boost Software License, Version 1.0.
       7   * https://www.boost.org/LICENSE_1_0.txt
       8   * https://github.com/dlang/dmd/blob/master/src/dmd/ctfe.h
       9   */
      10  
      11  #pragma once
      12  
      13  #include "tokens.h"
      14  #include "expression.h"
      15  
      16  /**
      17    A reference to a class, or an interface. We need this when we
      18    point to a base class (we must record what the type is).
      19   */
      20  class ClassReferenceExp final : public Expression
      21  {
      22  public:
      23      StructLiteralExp *value;
      24      ClassDeclaration *originalClass();
      25  
      26      /// Return index of the field, or -1 if not found
      27      /// Same as getFieldIndex, but checks for a direct match with the VarDeclaration
      28      int findFieldIndexByName(VarDeclaration *v);
      29      void accept(Visitor *v) override { v->visit(this); }
      30  };
      31  
      32  /**
      33    An uninitialized value
      34   */
      35  class VoidInitExp final : public Expression
      36  {
      37  public:
      38      VarDeclaration *var;
      39  
      40      const char *toChars() const override;
      41      void accept(Visitor *v) override { v->visit(this); }
      42  };
      43  
      44  /**
      45    Fake class which holds the thrown exception.
      46    Used for implementing exception handling.
      47  */
      48  class ThrownExceptionExp final : public Expression
      49  {
      50  public:
      51      ClassReferenceExp *thrown; // the thing being tossed
      52      const char *toChars() const override;
      53      void accept(Visitor *v) override { v->visit(this); }
      54  };
      55  
      56  /****************************************************************/
      57  
      58  // This type is only used by the interpreter.
      59  
      60  class CTFEExp final : public Expression
      61  {
      62  public:
      63      const char *toChars() const override;
      64  };