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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/cond.h
*/
#pragma once
#include "globals.h"
#include "visitor.h"
class Expression;
class Identifier;
struct OutBuffer;
class Module;
struct Scope;
class ScopeDsymbol;
class DebugCondition;
class ForeachStatement;
class ForeachRangeStatement;
int findCondition(Strings *ids, Identifier *ident);
class Condition
{
public:
Loc loc;
// 0: not computed yet
// 1: include
// 2: do not include
int inc;
Condition(Loc loc);
virtual Condition *syntaxCopy() = 0;
virtual int include(Scope *sc, ScopeDsymbol *sds) = 0;
virtual DebugCondition *isDebugCondition() { return NULL; }
virtual VersionCondition *isVersionCondition() { return NULL; }
virtual void accept(Visitor *v) { v->visit(this); }
};
class StaticForeach
{
public:
Loc loc;
ForeachStatement *aggrfe;
ForeachRangeStatement *rangefe;
bool needExpansion;
StaticForeach(Loc loc, ForeachStatement *aggrfe, ForeachRangeStatement *rangefe);
StaticForeach *syntaxCopy();
};
void staticForeachPrepare(StaticForeach *sfe, Scope *sc);
bool staticForeachReady(StaticForeach *sfe);
class DVCondition : public Condition
{
public:
unsigned level;
Identifier *ident;
Module *mod;
DVCondition(Module *mod, unsigned level, Identifier *ident);
Condition *syntaxCopy();
void accept(Visitor *v) { v->visit(this); }
};
class DebugCondition : public DVCondition
{
public:
static void setGlobalLevel(unsigned level);
static void addGlobalIdent(const char *ident);
DebugCondition(Module *mod, unsigned level, Identifier *ident);
int include(Scope *sc, ScopeDsymbol *sds);
DebugCondition *isDebugCondition() { return this; }
void accept(Visitor *v) { v->visit(this); }
};
class VersionCondition : public DVCondition
{
public:
static void setGlobalLevel(unsigned level);
static void addGlobalIdent(const char *ident);
static void addPredefinedGlobalIdent(const char *ident);
VersionCondition(Module *mod, unsigned level, Identifier *ident);
int include(Scope *sc, ScopeDsymbol *sds);
VersionCondition *isVersionCondition() { return this; }
void accept(Visitor *v) { v->visit(this); }
};
class StaticIfCondition : public Condition
{
public:
Expression *exp;
StaticIfCondition(Loc loc, Expression *exp);
Condition *syntaxCopy();
int include(Scope *sc, ScopeDsymbol *sds);
void accept(Visitor *v) { v->visit(this); }
};
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