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llvmlayer.h
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Wed, Jul 8, 1:54 PM

llvmlayer.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/.
*
* llvmlayer.h
*
* Author: pgess <v.melnychenko@xreate.org>
*/
#ifndef LLVMLAYER_H
#define LLVMLAYER_H
#include "llvm/IR/Module.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/Verifier.h"
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/ExecutionEngine/ExecutionEngine.h"
#include "utils.h"
namespace xreate {
class AST;
class ExternLayer;
class TypeAnnotation;
/** \brief A wrapper over LLVM toolchain to generate and execute bytecode */
class LLVMLayer {
public:
LLVMLayer(AST* rootAST);
mutable llvm::LLVMContext llvmContext;
llvm::IRBuilder<> builder;
AST *ast = 0;
ExternLayer *layerExtern =0;
std::unique_ptr<llvm::Module> module;
std::unique_ptr<llvm::ExecutionEngine> jit;
void moveToGarbage(void *o);
llvm::Type* toLLVMType(const Expanded<TypeAnnotation>& ty) const;
void print();
void* getFunctionPointer(llvm::Function* function);
void initJit();
private:
llvm::Type* toLLVMType(const Expanded<TypeAnnotation>& ty, std::map<int, llvm::StructType*>& conjunctions) const;
std::vector<void *> __garbage;
};
struct TypeUtils {
bool isStruct(const Expanded<TypeAnnotation>& ty);
bool isPointer(const Expanded<TypeAnnotation>& ty);
std::vector<std::string> getStructFields(const Expanded<TypeAnnotation>& t);
TypeUtils(LLVMLayer*llvmlayer)
: llvm(llvmlayer){}
private:
LLVMLayer* llvm;
};
}
#endif // LLVMLAYER_H

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