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102 lines
2.6 KiB
C++
102 lines
2.6 KiB
C++
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/* Compiler implementation of the D programming language
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* Copyright (c) 1999-2014 by Digital Mars
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* All Rights Reserved
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* written by Walter Bright
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* http://www.digitalmars.com
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* Distributed under the Boost Software License, Version 1.0.
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* http://www.boost.org/LICENSE_1_0.txt
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* https://github.com/D-Programming-Language/dmd/blob/master/src/enum.h
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*/
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#ifndef DMD_ENUM_H
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#define DMD_ENUM_H
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#ifdef __DMC__
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#pragma once
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#endif /* __DMC__ */
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#include "root.h"
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#include "dsymbol.h"
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#include "declaration.h"
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#include "tokens.h"
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class Identifier;
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class Type;
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class Expression;
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class VarDeclaration;
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class EnumDeclaration : public ScopeDsymbol
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{
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public:
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/* The separate, and distinct, cases are:
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* 1. enum { ... }
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* 2. enum : memtype { ... }
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* 3. enum id { ... }
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* 4. enum id : memtype { ... }
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* 5. enum id : memtype;
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* 6. enum id;
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*/
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Type *type; // the TypeEnum
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Type *memtype; // type of the members
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Prot protection;
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Expression *maxval;
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Expression *minval;
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Expression *defaultval; // default initializer
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bool isdeprecated;
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bool added;
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int inuse;
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EnumDeclaration(Loc loc, Identifier *id, Type *memtype);
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Dsymbol *syntaxCopy(Dsymbol *s);
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void addMember(Scope *sc, ScopeDsymbol *sds);
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void setScope(Scope *sc);
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void semantic(Scope *sc);
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bool oneMember(Dsymbol **ps, Identifier *ident);
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Type *getType();
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const char *kind();
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Dsymbol *search(Loc, Identifier *ident, int flags = SearchLocalsOnly);
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bool isDeprecated(); // is Dsymbol deprecated?
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Prot prot();
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Expression *getMaxMinValue(Loc loc, Identifier *id);
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Expression *getDefaultValue(Loc loc);
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Type *getMemtype(Loc loc);
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EnumDeclaration *isEnumDeclaration() { return this; }
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Symbol *sinit;
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void accept(Visitor *v) { v->visit(this); }
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};
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class EnumMember : public VarDeclaration
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{
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public:
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/* Can take the following forms:
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* 1. id
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* 2. id = value
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* 3. type id = value
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*/
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Expression *&value();
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// A cast() is injected to 'value' after semantic(),
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// but 'origValue' will preserve the original value,
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// or previous value + 1 if none was specified.
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Expression *origValue;
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Type *origType;
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EnumDeclaration *ed;
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EnumMember(Loc loc, Identifier *id, Expression *value, Type *origType);
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Dsymbol *syntaxCopy(Dsymbol *s);
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const char *kind();
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void semantic(Scope *sc);
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Expression *getVarExp(Loc loc, Scope *sc);
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EnumMember *isEnumMember() { return this; }
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void accept(Visitor *v) { v->visit(this); }
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};
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#endif /* DMD_ENUM_H */
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