clang  9.0.0svn
BodyFarm.h
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1 //== BodyFarm.h - Factory for conjuring up fake bodies -------------*- 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 // BodyFarm is a factory for creating faux implementations for functions/methods
10 // for analysis purposes.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_CLANG_LIB_ANALYSIS_BODYFARM_H
15 #define LLVM_CLANG_LIB_ANALYSIS_BODYFARM_H
16 
17 #include "clang/AST/DeclBase.h"
18 #include "clang/Basic/LLVM.h"
19 #include "llvm/ADT/DenseMap.h"
20 #include "llvm/ADT/Optional.h"
21 
22 namespace clang {
23 
24 class ASTContext;
25 class FunctionDecl;
26 class ObjCMethodDecl;
27 class ObjCPropertyDecl;
28 class Stmt;
29 class CodeInjector;
30 
31 class BodyFarm {
32 public:
33  BodyFarm(ASTContext &C, CodeInjector *injector) : C(C), Injector(injector) {}
34 
35  /// Factory method for creating bodies for ordinary functions.
36  Stmt *getBody(const FunctionDecl *D);
37 
38  /// Factory method for creating bodies for Objective-C properties.
39  Stmt *getBody(const ObjCMethodDecl *D);
40 
41  /// Remove copy constructor to avoid accidental copying.
42  BodyFarm(const BodyFarm &other) = delete;
43 
44 private:
45  typedef llvm::DenseMap<const Decl *, Optional<Stmt *>> BodyMap;
46 
47  ASTContext &C;
48  BodyMap Bodies;
49  CodeInjector *Injector;
50 };
51 } // namespace clang
52 
53 #endif
Represents a function declaration or definition.
Definition: Decl.h:1737
Stmt - This represents one statement.
Definition: Stmt.h:65
ObjCMethodDecl - Represents an instance or class method declaration.
Definition: DeclObjC.h:138
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
Definition: ASTContext.h:154
Forward-declares and imports various common LLVM datatypes that clang wants to use unqualified...
BodyFarm(ASTContext &C, CodeInjector *injector)
Definition: BodyFarm.h:33
Dataflow Directional Tag Classes.
CodeInjector is an interface which is responsible for injecting AST of function definitions that may ...
Definition: CodeInjector.h:35
Stmt * getBody(const FunctionDecl *D)
Factory method for creating bodies for ordinary functions.
Definition: BodyFarm.cpp:667