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//===--- Interpreter.h - Incremental Compilation and Execution---*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines the component which performs incremental code
// compilation and execution.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_INTERPRETER_INTERPRETER_H
#define LLVM_CLANG_INTERPRETER_INTERPRETER_H
#include "clang/Interpreter/PartialTranslationUnit.h"
#include "clang/AST/GlobalDecl.h"
#include "llvm/ExecutionEngine/JITSymbol.h"
#include "llvm/Support/Error.h"
#include <memory>
#include <vector>
namespace llvm {
namespace orc {
class ThreadSafeContext;
}
class Module;
} // namespace llvm
namespace clang {
class CompilerInstance;
class DeclGroupRef;
class IncrementalExecutor;
class IncrementalParser;
/// Create a pre-configured \c CompilerInstance for incremental processing.
class IncrementalCompilerBuilder {
public:
static llvm::Expected<std::unique_ptr<CompilerInstance>>
create(std::vector<const char *> &ClangArgv);
};
/// Provides top-level interfaces for incremental compilation and execution.
class Interpreter {
std::unique_ptr<llvm::orc::ThreadSafeContext> TSCtx;
std::unique_ptr<IncrementalParser> IncrParser;
std::unique_ptr<IncrementalExecutor> IncrExecutor;
Interpreter(std::unique_ptr<CompilerInstance> CI, llvm::Error &Err);
public:
~Interpreter();
static llvm::Expected<std::unique_ptr<Interpreter>>
create(std::unique_ptr<CompilerInstance> CI);
const CompilerInstance *getCompilerInstance() const;
llvm::Expected<PartialTranslationUnit &> Parse(llvm::StringRef Code);
llvm::Error Execute(PartialTranslationUnit &T);
llvm::Error ParseAndExecute(llvm::StringRef Code) {
auto PTU = Parse(Code);
if (!PTU)
return PTU.takeError();
if (PTU->TheModule)
return Execute(*PTU);
return llvm::Error::success();
}
/// \returns the \c JITTargetAddress of a \c GlobalDecl. This interface uses
/// the CodeGenModule's internal mangling cache to avoid recomputing the
/// mangled name.
llvm::Expected<llvm::JITTargetAddress> getSymbolAddress(GlobalDecl GD) const;
/// \returns the \c JITTargetAddress of a given name as written in the IR.
llvm::Expected<llvm::JITTargetAddress>
getSymbolAddress(llvm::StringRef IRName) const;
/// \returns the \c JITTargetAddress of a given name as written in the object
/// file.
llvm::Expected<llvm::JITTargetAddress>
getSymbolAddressFromLinkerName(llvm::StringRef LinkerName) const;
};
} // namespace clang
#endif // LLVM_CLANG_INTERPRETER_INTERPRETER_H
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