BodyFarm.h

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//== BodyFarm.h - Factory for conjuring up fake bodies -------------*- 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
//
//===----------------------------------------------------------------------===//
//
// BodyFarm is a factory for creating faux implementations for functions/methods
// for analysis purposes.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_CLANG_ANALYSIS_BODYFARM_H
#define LLVM_CLANG_ANALYSIS_BODYFARM_H
 
#include "clang/AST/DeclBase.h"
#include "clang/Basic/LLVM.h"
#include "llvm/ADT/DenseMap.h"
#include <optional>
 
namespace clang {
 
class ASTContext;
class FunctionDecl;
class ObjCMethodDecl;
class Stmt;
class CodeInjector;
 
class BodyFarm {
public:
  BodyFarm(ASTContext &C, CodeInjector *injector) : C(C), Injector(injector) {}
 
  /// Factory method for creating bodies for ordinary functions.
  Stmt *getBody(const FunctionDecl *D);
 
  /// Factory method for creating bodies for Objective-C properties.
  Stmt *getBody(const ObjCMethodDecl *D);
 
  /// Remove copy constructor to avoid accidental copying.
  BodyFarm(const BodyFarm &other) = delete;
 
  /// Delete copy assignment operator.
  BodyFarm &operator=(const BodyFarm &other) = delete;
 
private:
  typedef llvm::DenseMap<const Decl *, std::optional<Stmt *>> BodyMap;
 
  ASTContext &C;
  BodyMap Bodies;
  CodeInjector *Injector;
};
} // namespace clang
 
#endif