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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/cond.h
*/
#pragma once
#include "ast_node.h"
#include "globals.h"
#include "visitor.h"
class Expression;
class Identifier;
class Module;
struct Scope;
class DebugCondition;
class ForeachStatement;
class ForeachRangeStatement;
enum Include
{
INCLUDEnotComputed, /// not computed yet
INCLUDEyes, /// include the conditional code
INCLUDEno /// do not include the conditional code
};
class Condition : public ASTNode
{
public:
Loc loc;
Include inc;
DYNCAST dyncast() const override final { return DYNCAST_CONDITION; }
virtual Condition *syntaxCopy() = 0;
virtual int include(Scope *sc) = 0;
virtual DebugCondition *isDebugCondition() { return NULL; }
virtual VersionCondition *isVersionCondition() { return NULL; }
void accept(Visitor *v) override { v->visit(this); }
};
class StaticForeach final : public RootObject
{
public:
Loc loc;
ForeachStatement *aggrfe;
ForeachRangeStatement *rangefe;
bool needExpansion;
StaticForeach *syntaxCopy();
};
class DVCondition : public Condition
{
public:
unsigned level;
Identifier *ident;
Module *mod;
DVCondition *syntaxCopy() override final;
void accept(Visitor *v) override { v->visit(this); }
};
class DebugCondition final : public DVCondition
{
public:
static void addGlobalIdent(const char *ident);
int include(Scope *sc) override;
DebugCondition *isDebugCondition() override { return this; }
void accept(Visitor *v) override { v->visit(this); }
};
class VersionCondition final : public DVCondition
{
public:
static void addGlobalIdent(const char *ident);
static void addPredefinedGlobalIdent(const char *ident);
int include(Scope *sc) override;
VersionCondition *isVersionCondition() override { return this; }
void accept(Visitor *v) override { v->visit(this); }
};
class StaticIfCondition final : public Condition
{
public:
Expression *exp;
StaticIfCondition *syntaxCopy() override;
int include(Scope *sc) override;
void accept(Visitor *v) override { v->visit(this); }
};
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