Clang plugin that rewrites PostTask(_, NewRunnableMethod(...)) to PostTask(_, base::Bind(...));

tools/clang/BindMigrate/OldCallbackTransform.h

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef TOOL_CLANG_BINDMIGRATE_OLD_CALLBACK_TRANSFORM_H_
+#define TOOL_CLANG_BINDMIGRATE_OLD_CALLBACK_TRANSFORM_H_
+
+#include <set>
+#include <string>
+
+#include "Transform.h"
+
+namespace clang {
+
+class ASTContext;
+class DiagnosticEmitter;
+class Rewriter;
+
+class OldCallbackTransform : public Transform {
+ public:
+  OldCallbackTransform(ASTContext* context,
+                       Rewriter* rewriter,
+                       DiagnosticEmitter* emitter);
+
+  // Transform Overrides.
+  virtual bool WouldTransformStmt(Stmt* statement);
+  virtual bool WouldTransformDecl(Decl* decl);
+  virtual void TransformStmt(Stmt *statement);
+  virtual void TransformDecl(Decl *decl);
+
+ private:
+  void RewriteIfOldCallbackGenerator(Stmt* statement);
+  void RewriteIfOldCallbackRun(Stmt* statement);
+  void RewriteTypedefIfOldCallback(TypedefDecl* tnd);
+  void RewriteVarIfOldCallback(VarDecl* vd);
+
+  bool CallbackFromType(QualType type, SourceLocation loc,
+                        bool is_callback_with_return,
+                        std::string* output);
+  bool CallbackFromVoidReturnType(QualType type, SourceLocation loc,
+                                  std::string* output);
+  bool CallbackFromTypeWithReturn(QualType type, SourceLocation loc,
+                                  std::string* output);
+  void ConvertTupleType(const TemplateArgumentList& template_args,
+                        std::string* output);
+
+
+  bool IsOldCallbackType(QualType type, bool* is_callback_with_return);
+  bool IsOldCallbackGenerator(Stmt* statement);
+  bool IsOldCallbackRun(Stmt* statement);
+
+  ASTContext* context_;
+  Rewriter* rewriter_;
+  DiagnosticEmitter* error_emitter_;
+};
+
+}  // namespace clang
+
+#endif  // TOOL_CLANG_BINDMIGRATE_OLD_CALLBACK_TRANSFORM_H_