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ExternLayer.h
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Wed, Jul 8, 5:56 AM

ExternLayer.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/.
*
* ExternLayer.h
*
* Created on: 4/21/15
* Author: pgess <v.melnychenko@xreate.org>
*/
/**
* \file ExternLayer.h
* \brief An external C code interaction support
*/
#ifndef XREATE_EXTERNLAYER_H
#define XREATE_EXTERNLAYER_H
#include "llvmlayer.h"
#include <vector>
#include <string>
#include <map>
#include "ast.h"
#include "clang/AST/ASTContext.h"
#include "clang/Frontend/ASTUnit.h"
#include "clang/Frontend/CodeGenOptions.h"
#include "clang/CodeGen/CodeGenABITypes.h"
#include "clang/Lex/PreprocessorOptions.h"
namespace clang{
class CodeGenerator;
}
namespace xreate{
/** \brief A wrapper over Clang */
class ExternLayer{
public:
ExternLayer(LLVMLayer* llvm);
void init(const AST* ast);
llvm::Function* lookupFunction(const std::string& name);
clang::QualType lookupType(const std::string& id);
std::vector<std::string> getStructFields(const clang::QualType& ty);
llvm::Type* toLLVMType(const clang::QualType& t);
bool isPointer(const clang::QualType& t);
bool isArrayType(const std::string& type);
bool isRecordType(const std::string& type);
static std::vector<std::string> fetchPackageFlags(const std::string& package);
static std::vector<std::string> fetchPackageLibs(const std::string& package);
private:
std::unique_ptr<clang::ASTUnit> ast;
std::unique_ptr<clang::CodeGenerator> __codegen;
std::unique_ptr<clang::CompilerInstance> __clang;
LLVMLayer* __llvm;
std::map<std::string, llvm::Function*> __functions;
void loadLibraries(std::vector<std::string>&& libs);
};
}
#endif //XREATE_EXTERNLAYER_H

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