gcc/d/dmd/ctfe.h

   1
   2 /* Compiler implementation of the D programming language
   3  * Copyright (C) 1999-2024 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     void accept(Visitor *v) override { v->visit(this); }
  41 };
  42
  43 /**
  44   Fake class which holds the thrown exception.
  45   Used for implementing exception handling.
  46 */
  47 class ThrownExceptionExp final : public Expression
  48 {
  49 public:
  50     ClassReferenceExp *thrown; // the thing being tossed
  51     const char *toChars() const override;
  52     void accept(Visitor *v) override { v->visit(this); }
  53 };
  54
  55 /****************************************************************/
  56
  57 // This type is only used by the interpreter.
  58
  59 class CTFEExp final : public Expression
  60 {
  61 public:
  62     const char *toChars() const override;
  63 };