1//===- LambdaResolverMM - Redirect symbol lookup via a functor --*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// Defines a RuntimeDyld::SymbolResolver subclass that uses a user-supplied 11// functor for symbol resolution. 12// 13//===----------------------------------------------------------------------===// 14 15#ifndef LLVM_EXECUTIONENGINE_ORC_LAMBDARESOLVER_H 16#define LLVM_EXECUTIONENGINE_ORC_LAMBDARESOLVER_H 17 18#include "llvm/ADT/STLExtras.h" 19#include "llvm/ExecutionEngine/JITSymbol.h" 20#include <memory> 21 22namespace llvm { 23namespace orc { 24 25template <typename DylibLookupFtorT, typename ExternalLookupFtorT> 26class LambdaResolver : public JITSymbolResolver { 27public: 28 LambdaResolver(DylibLookupFtorT DylibLookupFtor, 29 ExternalLookupFtorT ExternalLookupFtor) 30 : DylibLookupFtor(DylibLookupFtor), 31 ExternalLookupFtor(ExternalLookupFtor) {} 32 33 JITSymbol findSymbolInLogicalDylib(const std::string &Name) final { 34 return DylibLookupFtor(Name); 35 } 36 37 JITSymbol findSymbol(const std::string &Name) final { 38 return ExternalLookupFtor(Name); 39 } 40 41private: 42 DylibLookupFtorT DylibLookupFtor; 43 ExternalLookupFtorT ExternalLookupFtor; 44}; 45 46template <typename DylibLookupFtorT, 47 typename ExternalLookupFtorT> 48std::shared_ptr<LambdaResolver<DylibLookupFtorT, ExternalLookupFtorT>> 49createLambdaResolver(DylibLookupFtorT DylibLookupFtor, 50 ExternalLookupFtorT ExternalLookupFtor) { 51 using LR = LambdaResolver<DylibLookupFtorT, ExternalLookupFtorT>; 52 return make_unique<LR>(std::move(DylibLookupFtor), 53 std::move(ExternalLookupFtor)); 54} 55 56} // end namespace orc 57} // end namespace llvm 58 59#endif // LLVM_EXECUTIONENGINE_ORC_LAMBDARESOLVER_H 60