clang/lib/Interpreter/IncrementalExecutor.h

   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 #include "llvm/ExecutionEngine/Orc/Shared/ExecutorAddress.h"
  20
  21 #include <memory>
  22
  23 namespace llvm {
  24 class Error;
  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::Error cleanUp();
  55   llvm::Expected<llvm::orc::ExecutorAddr>
  56   getSymbolAddress(llvm::StringRef Name, SymbolNameKind NameKind) const;
  57
  58   llvm::orc::LLJIT &GetExecutionEngine() { return *Jit; }
  59 };
  60
  61 } // end namespace clang
  62
  63 #endif // LLVM_CLANG_LIB_INTERPRETER_INCREMENTALEXECUTOR_H