1 //===--- IncrementalExecutor.h - Incremental Execution ----------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file implements the class which performs incremental code execution. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_CLANG_LIB_INTERPRETER_INCREMENTALEXECUTOR_H 14 #define LLVM_CLANG_LIB_INTERPRETER_INCREMENTALEXECUTOR_H 15 16 #include "llvm/ADT/DenseMap.h" 17 #include "llvm/ADT/StringRef.h" 18 #include "llvm/ExecutionEngine/Orc/ExecutionUtils.h" 19 20 #include <memory> 21 22 namespace llvm { 23 class Error; 24 class Module; 25 namespace orc { 26 class LLJIT; 27 class ThreadSafeContext; 28 } // namespace orc 29 } // namespace llvm 30 31 namespace clang { 32 33 struct PartialTranslationUnit; 34 class TargetInfo; 35 36 class IncrementalExecutor { 37 using CtorDtorIterator = llvm::orc::CtorDtorIterator; 38 std::unique_ptr<llvm::orc::LLJIT> Jit; 39 llvm::orc::ThreadSafeContext &TSCtx; 40 41 llvm::DenseMap<const PartialTranslationUnit *, llvm::orc::ResourceTrackerSP> 42 ResourceTrackers; 43 44 public: 45 enum SymbolNameKind { IRName, LinkerName }; 46 47 IncrementalExecutor(llvm::orc::ThreadSafeContext &TSC, llvm::Error &Err, 48 const clang::TargetInfo &TI); 49 ~IncrementalExecutor(); 50 51 llvm::Error addModule(PartialTranslationUnit &PTU); 52 llvm::Error removeModule(PartialTranslationUnit &PTU); 53 llvm::Error runCtors() const; 54 llvm::Expected<llvm::JITTargetAddress> 55 getSymbolAddress(llvm::StringRef Name, SymbolNameKind NameKind) const; 56 llvm::orc::LLJIT *getExecutionEngine() const { return Jit.get(); } 57 }; 58 59 } // end namespace clang 60 61 #endif // LLVM_CLANG_LIB_INTERPRETER_INCREMENTALEXECUTOR_H 62