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/* Compiler implementation of the D programming language
* Copyright (C) 1999-2019 by The D Language Foundation, All Rights Reserved
* written by Walter Bright
* http://www.digitalmars.com
* Distributed under the Boost Software License, Version 1.0.
* http://www.boost.org/LICENSE_1_0.txt
* https://github.com/dlang/dmd/blob/master/src/dmd/enum.h
*/
#pragma once
#include "root/root.h"
#include "dsymbol.h"
#include "declaration.h"
#include "tokens.h"
class Identifier;
class Type;
class Expression;
class VarDeclaration;
class EnumDeclaration : public ScopeDsymbol
{
public:
/* The separate, and distinct, cases are:
* 1. enum { ... }
* 2. enum : memtype { ... }
* 3. enum id { ... }
* 4. enum id : memtype { ... }
* 5. enum id : memtype;
* 6. enum id;
*/
Type *type; // the TypeEnum
Type *memtype; // type of the members
Prot protection;
Expression *maxval;
Expression *minval;
Expression *defaultval; // default initializer
bool isdeprecated;
bool added;
int inuse;
EnumDeclaration(Loc loc, Identifier *id, Type *memtype);
Dsymbol *syntaxCopy(Dsymbol *s);
void addMember(Scope *sc, ScopeDsymbol *sds);
void setScope(Scope *sc);
void semantic(Scope *sc);
bool oneMember(Dsymbol **ps, Identifier *ident);
Type *getType();
const char *kind() const;
Dsymbol *search(const Loc &loc, Identifier *ident, int flags = SearchLocalsOnly);
bool isDeprecated(); // is Dsymbol deprecated?
Prot prot();
Expression *getMaxMinValue(Loc loc, Identifier *id);
bool isSpecial() const;
Expression *getDefaultValue(Loc loc);
Type *getMemtype(Loc loc);
EnumDeclaration *isEnumDeclaration() { return this; }
Symbol *sinit;
void accept(Visitor *v) { v->visit(this); }
};
class EnumMember : public VarDeclaration
{
public:
/* Can take the following forms:
* 1. id
* 2. id = value
* 3. type id = value
*/
Expression *&value();
// A cast() is injected to 'value' after semantic(),
// but 'origValue' will preserve the original value,
// or previous value + 1 if none was specified.
Expression *origValue;
Type *origType;
EnumDeclaration *ed;
EnumMember(Loc loc, Identifier *id, Expression *value, Type *origType);
Dsymbol *syntaxCopy(Dsymbol *s);
const char *kind() const;
void semantic(Scope *sc);
Expression *getVarExp(Loc loc, Scope *sc);
EnumMember *isEnumMember() { return this; }
void accept(Visitor *v) { v->visit(this); }
};