1 files changed, 119 insertions, 0 deletions
diff --git a/mutator-lvl2.cpp b/mutator-lvl2.cpp
new file mode 100644
index 0000000..908c2df
--- /dev/null
+++ b/mutator-lvl2.cpp
@@ -0,0 +1,119 @@
+
+/*first line intentionally left blank.*/
+/**********************************************************************************************************************/
+/*included modules*/
+/*project headers*/
+#include "mutator_aux.h"
+/*standard headers*/
+#include <string>
+#include <iostream>
+#include <cassert>
+/*LLVM headers*/
+#include "clang/AST/AST.h"
+#include "clang/AST/ASTConsumer.h"
+#include "clang/ASTMatchers/ASTMatchers.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/Frontend/CompilerInstance.h"
+#include "clang/Frontend/FrontendActions.h"
+#include "clang/Lex/Lexer.h"
+#include "clang/Tooling/CommonOptionsParser.h"
+#include "clang/Tooling/Tooling.h"
+#include "clang/Rewrite/Core/Rewriter.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/IR/Function.h"
+/**********************************************************************************************************************/
+/*used namespaces*/
+using namespace llvm;
+using namespace clang;
+using namespace clang::ast_matchers;
+using namespace clang::driver;
+using namespace clang::tooling;
+/**********************************************************************************************************************/
+/*global vars*/
+
+static llvm::cl::OptionCategory MatcherSampleCategory("Matcher Sample");
+/**********************************************************************************************************************/
+class IfElseFixer : public MatchFinder::MatchCallback
+{
+public:
+  IfElseFixer (Rewriter &Rewrite) : Rewrite (Rewrite) {}
+
+  virtual void run(const MatchFinder::MatchResult &MR)
+  {
+    /*underdev*/
+    if (MR.Nodes.getNodeAs<clang::IfStmt>("mrifelse") != nullptr)
+    {
+      const IfStmt *ElseIf = MR.Nodes.getNodeAs<clang::IfStmt>("mrifelse");
+      //const IfStmt *LastIf = MR.Nodes.getNodeAs<clang::IfStmt>("mrifelse");
+
+      SourceLocation IFESL = ElseIf->getLocStart();
+      IFESL = Devi::SourceLocationHasMacro(IFESL, Rewrite, "start");
+      SourceLocation IFESLE = ElseIf->getLocEnd();
+      IFESLE = Devi::SourceLocationHasMacro(IFESLE, Rewrite, "end");
+      SourceRange SR;
+      SR.setBegin(IFESL);
+      SR.setEnd(IFESLE);
+
+      clang::Rewriter::RewriteOptions opts;
+
+      int RangeSize = Rewrite.getRangeSize(SR, opts);
+
+      //std::cout << IFESLE.printToString(*MR.SourceManager) << "\n" << std::endl;
+
+#if 1
+      //Rewrite.InsertText(ElseIf->getThen()->getLocStart(), "{\n", "true", "true");
+      Rewrite.InsertTextAfterToken(IFESL.getLocWithOffset(RangeSize + 1U), "else\n{/*intentionally left blank*/\n}\n");
+#endif
+    }
+    else
+    {
+      std::cout << "matcher -mrifelse- returned nullptr." << std::endl;
+    }
+  }
+
+
+private:
+  Rewriter &Rewrite;
+};
+/**********************************************************************************************************************/
+/**********************************************************************************************************************/
+class MyASTConsumer : public ASTConsumer {
+
+public:
+  MyASTConsumer(Rewriter &R) : HandlerForIfElse(R) {
+    Matcher.addMatcher(ifStmt(allOf(hasElse(ifStmt()), unless(hasAncestor(ifStmt())), unless(hasDescendant(ifStmt(hasElse(unless(ifStmt()))))))).bind("mrifelse"), &HandlerForIfElse);
+  }
+
+  void HandleTranslationUnit(ASTContext &Context) override {
+    Matcher.matchAST(Context);
+  }
+
+private:
+  IfElseFixer HandlerForIfElse;
+  MatchFinder Matcher;
+};
+/**********************************************************************************************************************/
+class MyFrontendAction : public ASTFrontendAction {
+public:
+  MyFrontendAction() {}
+  void EndSourceFileAction() override {
+    TheRewriter.getEditBuffer(TheRewriter.getSourceMgr().getMainFileID()).write(llvm::outs());
+  }
+
+  std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &CI, StringRef file) override {
+    TheRewriter.setSourceMgr(CI.getSourceManager(), CI.getLangOpts());
+    return llvm::make_unique<MyASTConsumer>(TheRewriter);
+  }
+
+private:
+  Rewriter TheRewriter;
+};
+/**********************************************************************************************************************/
+/*Main*/
+int main(int argc, const char **argv) {
+  CommonOptionsParser op(argc, argv, MatcherSampleCategory);
+  ClangTool Tool(op.getCompilations(), op.getSourcePathList());
+
+  return Tool.run(newFrontendActionFactory<MyFrontendAction>().get());
+}
+/*last line intentionally left blank.*/