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xreatemanager.h
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Sat, Mar 14, 2:31 AM

xreatemanager.h
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* xreatemanager.h
*
* Author: pgess <v.melnychenko@xreate.org>
* Created on July 3, 2017, 6:03 PM
*/
/**
* \file
* \brief Entry point of Xreate API.
*
*/
#ifndef PASSMANAGER_H
#define PASSMANAGER_H
#include <string>
#include <map>
//stdio external
struct _IO_FILE;
typedef struct _IO_FILE FILE;
namespace xreate { namespace grammar { namespace main {
class Scanner;
}}}
namespace xreate {
class IPass;
class ClaspLayer;
class LLVMLayer;
class AST;
enum class PassId {
CFGPass,
CompilePass,
DFGPass,
EnvironmentTestsPass,
LoggerPass,
AdhocPass,
RulesPass,
InterpretationPass,
VersionsPass
};
/**
* \class PassManager
* \brief Base class to control passes
*/
class PassManager{
public:
void prepare(AST* ast);
void registerPass(IPass* pass, const PassId& id, IPass* prerequisite=nullptr);
IPass* getPassById(const PassId& id);
bool isPassRegistered(const PassId& id);
void executePasses();
virtual ~PassManager();
ClaspLayer* clasp;
LLVMLayer* llvm;
AST* root;
private:
std::map<PassId, IPass*> __passes;
std::multimap<IPass*, IPass*> __passDependencies;
};
namespace details{ namespace tier2{
class XreateManager: public virtual PassManager{
public:
virtual ~XreateManager(){};
virtual void initPasses()=0;
// virtual void executePasses()=0;
virtual void analyse()=0;
virtual void* run()=0;
static XreateManager* prepare(std::string&& code);
static XreateManager* prepare(FILE* code);
};
template<class Decorator>
class XreateManagerImpl: public Decorator {
public:
};
}} //namespace details::tier2
namespace details{ namespace tier1{
class XreateManager: public virtual PassManager{
public:
virtual void analyse()=0;
virtual void* run()=0;
static XreateManager* prepare(std::string&& code);
static XreateManager* prepare(FILE* code);
};
template<class Decorator>
class XreateManagerImpl: public XreateManager, public details::tier2::XreateManagerImpl<Decorator> {
typedef details::tier2::XreateManagerImpl<Decorator> PARENT;
public:
void analyse(){
PARENT::initPasses();
PARENT::executePasses();
PARENT::analyse();
}
void* run(){
return PARENT::run();
}
};
}} //namespace details::tier1
class XreateManager: public virtual PassManager{
public:
virtual void* run()=0;
static XreateManager* prepare(std::string&& code);
static XreateManager* prepare(FILE* code);
};
template<class Decorator>
class XreateManagerImpl: public XreateManager, public details::tier1::XreateManagerImpl<Decorator>{
typedef details::tier1::XreateManagerImpl<Decorator> PARENT;
public:
void* run(){
PARENT::analyse();
return PARENT::run();
}
};
} //namespace xreate
#endif

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