[clang-tidy] Add loop-convert check to clang-tidy.

Move LoopConvert from clang-modernize to modernize module in clang-tidy.

http://reviews.llvm.org/D12076

Patch by Angel Garcia!


git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@245427 91177308-0d34-0410-b5e6-96231b3b80d8

clang-tidy/modernize/CMakeLists.txt

@@ -1,6 +1,8 @@
 set(LLVM_LINK_COMPONENTS support)
 
 add_clang_library(clangTidyModernizeModule
+  LoopConvertCheck.cpp
+  LoopConvertUtils.cpp
   ModernizeTidyModule.cpp
   PassByValueCheck.cpp
 

clang-tidy/modernize/LoopConvertCheck.h

@@ -0,0 +1,52 @@
+//===--- LoopConvertCheck.h - clang-tidy-------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_LOOP_CONVERT_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_LOOP_CONVERT_H
+
+#include "../ClangTidy.h"
+#include "LoopConvertUtils.h"
+
+namespace clang {
+namespace tidy {
+namespace modernize {
+
+class LoopConvertCheck : public ClangTidyCheck {
+public:
+  LoopConvertCheck(StringRef Name, ClangTidyContext *Context);
+  void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
+  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+
+private:
+  void doConversion(ASTContext *Context, const VarDecl *IndexVar,
+                    const VarDecl *MaybeContainer, StringRef ContainerString,
+                    const UsageResult &Usages, const DeclStmt *AliasDecl,
+                    bool AliasUseRequired, bool AliasFromForInit,
+                    const ForStmt *TheLoop, bool ContainerNeedsDereference,
+                    bool DerefByValue, bool DerefByConstRef);
+
+  StringRef checkRejections(ASTContext *Context, const Expr *ContainerExpr,
+                            const ForStmt *TheLoop);
+
+  void findAndVerifyUsages(ASTContext *Context, const VarDecl *LoopVar,
+                           const VarDecl *EndVar, const Expr *ContainerExpr,
+                           const Expr *BoundExpr,
+                           bool ContainerNeedsDereference, bool DerefByValue,
+                           bool DerefByConstRef, const ForStmt *TheLoop,
+                           LoopFixerKind FixerKind);
+  std::unique_ptr<TUTrackingInfo> TUInfo;
+  Confidence::Level MinConfidence;
+};
+
+} // namespace modernize
+} // namespace tidy
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_LOOP_CONVERT_H