vaioco · October 26, 2017 09:17 · Oct 26, 2017
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,43 @@
+
+
+class ReplacementsTest : public MatchFinder::MatchCallback {
+    using reps_t = std::map<std::string, Replacements>;
+public:
+    ReplacementsTest(reps_t *reps) : Replace(reps)  {}
+    virtual void run(const MatchFinder::MatchResult &Result) {
+        clang::ASTContext *Context = Result.Context;
+        const clang::FunctionDecl *FS = Result.Nodes.getNodeAs<clang::FunctionDecl>("funcdecl");
+        if (!FS || !Context->getSourceManager().isWrittenInMainFile(FS->getLocStart()))
+            return;
+        else{
+            clang::SourceRange sr = FS->getSourceRange();
+            std::string s = std::string("//test123\n");
+            auto *sm = &Context->getSourceManager();
+            auto fpath =  sm->getFilename(FS->getLocation()).str();
+            Replacement Rep(*(Result.SourceManager), sr.getBegin(), 0, s);
+            auto res = Replace->insert(std::pair<std::string, Replacements>(fpath, Replacements(Rep)));
+            if (res.second == false) {
+              llvm::errs() << "map error\n";
+            }
+        }
+    }
+private:
+    reps_t *Replace;
+};
+
+int main(int argc, const char **argv) {
+    CommonOptionsParser OptionsParser(argc, argv, MyToolCategory);
+    ClangTool Tool(OptionsParser.getCompilations(),
+                   OptionsParser.getSourcePathList());
+    // how the following line should look like?
+    // as RefactoringTool was in place, i was doing:               
+    ReplacementsTest rtest(&Tool.getReplacements());
+    MatchFinder Finder;
+
+    StatementMatcher LoopMatcher = forStmt().bind("forLoop");
+    DeclarationMatcher FuncMatcher = functionDecl(isDefinition()).bind("funcdecl");
+    Finder.addMatcher(FuncMatcher, &rtest);
+    if(int result =  Tool.run(newFrontendActionFactory(&Finder).get())){
+      return result;
+    }
+}