update

3 files changed, 418 insertions, 0 deletions

diff --git a/cgrep.cpp b/cgrep.cpp
new file mode 100644
index 0000000..4f66876
--- /dev/null
+++ b/cgrep.cpp
@@ -0,0 +1,234 @@
+
+/*first line intentionally left blank.*/
+/*************************************************************************************************/
+//-*-c++-*-
+/*Copyright (C) 2018 Farzad Sadeghi
+ * Licensed under GPL-3.0
+ * */
+/*************************************************************************************************/
+/*included modules*/
+/*project headers*/
+/*standard headers*/
+#include <cassert>
+#include <cstdlib>
+#include <dirent.h>
+#include <fstream>
+#include <iostream>
+#include <regex>
+#include <string>
+#include <vector>
+/*LLVM headers*/
+#include "clang/AST/AST.h"
+#include "clang/AST/ASTConsumer.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/ASTMatchers/ASTMatchers.h"
+#include "clang/Basic/LLVM.h"
+#include "clang/Frontend/CompilerInstance.h"
+#include "clang/Frontend/FrontendActions.h"
+#include "clang/Lex/Lexer.h"
+#include "clang/Rewrite/Core/Rewriter.h"
+#include "clang/Tooling/CommonOptionsParser.h"
+#include "clang/Tooling/Tooling.h"
+#include "llvm/Support/raw_ostream.h"
+/*************************************************************************************************/
+/*used namespaces*/
+using namespace llvm;
+using namespace clang;
+using namespace clang::ast_matchers;
+using namespace clang::driver;
+using namespace clang::tooling;
+/*************************************************************************************************/
+namespace {
+static llvm::cl::OptionCategory CGrepCat("cgrep options");
+cl::opt<std::string> CO_DIRECTORY("dir", cl::desc(""), cl::init(""), cl::cat(CGrepCat), cl::Optional);
+cl::opt<std::string> CO_REGEX("regex", cl::desc(""), cl::init(""), cl::cat(CGrepCat), cl::Optional);
+cl::opt<bool> CO_FUNCTION("func", cl::desc(""), cl::init(false), cl::cat(CGrepCat), cl::Optional);
+cl::opt<bool> CO_MEM_FUNCTION("memfunc", cl::desc(""), cl::init(false), cl::cat(CGrepCat), cl::Optional);
+cl::opt<bool> CO_VAR("var", cl::desc(""), cl::init(false), cl::cat(CGrepCat), cl::Optional);
+cl::opt<bool> CO_MEMVAR("memvar", cl::desc(""), cl::init(false), cl::cat(CGrepCat), cl::Optional);
+cl::opt<bool> CO_CLASS("class", cl::desc(""), cl::init(false), cl::cat(CGrepCat), cl::Optional);
+}
+/*************************************************************************************************/
+std::string regex_preprocessor(std::string rx_str) {
+  std::string ret_rx_str;
+  return ret_rx_str;
+}
+
+void regex_handlaer(std::string rx_str) {
+  std::regex regex(regex_preprocessor(rx_str));
+  return void();
+}
+/*************************************************************************************************/
+class CalledFunc : public MatchFinder::MatchCallback {
+public:
+  CalledFunc(Rewriter &Rewrite) : Rewrite(Rewrite) {}
+
+  virtual void run(const MatchFinder::MatchResult &MR) {
+    const FunctionDecl *FD = MR.Nodes.getNodeAs<clang::FunctionDecl>("funcdecl");
+    if (FD) {
+      SourceRange SR = FD->getSourceRange();
+      std::string name = FD->getNameAsString();
+    }
+  }
+
+private:
+  Rewriter &Rewrite [[maybe_unused]];
+};
+/*************************************************************************************************/
+class CalledVar : public MatchFinder::MatchCallback {
+public:
+  CalledVar(Rewriter &Rewrite) : Rewrite(Rewrite) {}
+
+  virtual void run(const MatchFinder::MatchResult &MR) {
+    const VarDecl *VD = MR.Nodes.getNodeAs<clang::VarDecl>("vardecl");
+    if (VD) {
+      SourceRange SR = VD->getSourceRange();
+      std::string name = VD->getNameAsString();
+    }
+  }
+
+private:
+  Rewriter &Rewrite [[maybe_unused]];
+};
+/*************************************************************************************************/
+class FuncDecl : public MatchFinder::MatchCallback {
+public:
+  FuncDecl(Rewriter &Rewrite) : Rewrite(Rewrite) {}
+
+  virtual void run(const MatchFinder::MatchResult &MR) {}
+
+private:
+  Rewriter &Rewrite [[maybe_unused]];
+};
+/*************************************************************************************************/
+class VDecl : public MatchFinder::MatchCallback {
+public:
+  VDecl(Rewriter &Rewrite) : Rewrite(Rewrite) {}
+
+  virtual void run(const MatchFinder::MatchResult &MR) {}
+
+private:
+  Rewriter &Rewrite [[maybe_unused]];
+};
+/*************************************************************************************************/
+class ClassDecl : public MatchFinder::MatchCallback {
+public:
+  ClassDecl(Rewriter &Rewrite) : Rewrite(Rewrite) {}
+
+  virtual void run(const MatchFinder::MatchResult &MR) {}
+
+private:
+  Rewriter &Rewrite [[maybe_unused]];
+};
+/*************************************************************************************************/
+class PPInclusion : public PPCallbacks {
+public:
+  explicit PPInclusion(SourceManager *SM, Rewriter *Rewrite)
+      : SM(*SM), Rewrite(*Rewrite) {}
+
+  virtual void MacroDefined(const Token &MacroNameTok,
+                            const MacroDirective *MD) {}
+
+  virtual void MacroExpands(const Token &MacroNameTok,
+                            const MacroDefinition &MD, SourceRange Range,
+                            const MacroArgs *Args) {}
+
+#if __clang_major__ <= 6
+  virtual void InclusionDirective(SourceLocation HashLoc,
+                                  const Token &IncludeTok, StringRef FileName,
+                                  bool IsAngled, CharSourceRange FilenameRange,
+                                  const FileEntry *File, StringRef SearchPath,
+                                  StringRef RelativePath,
+                                  const clang::Module *Imported) {
+#elif __clang_major__ >= 8
+  virtual void InclusionDirective(SourceLocation HashLoc,
+                                  const Token &IncludeTok, StringRef FileName,
+                                  bool IsAngled, CharSourceRange FilenameRange,
+                                  const FileEntry *File, StringRef SearchPath,
+                                  StringRef RelativePath,
+                                  const clang::Module *Imported,
+                                  SrcMgr::CharacteristicKind FileType) {
+#endif
+  }
+
+private:
+  const SourceManager &SM [[maybe_unused]];
+  Rewriter &Rewrite [[maybe_unused]];
+};
+/*************************************************************************************************/
+// brief A Clang Diagnostic Consumer that does nothing.
+class BlankDiagConsumer : public clang::DiagnosticConsumer {
+public:
+  BlankDiagConsumer() = default;
+  virtual ~BlankDiagConsumer() {}
+  virtual void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
+                                const Diagnostic &Info) override {}
+};
+/*************************************************************************************************/
+class MyASTConsumer : public ASTConsumer {
+public:
+  MyASTConsumer(Rewriter &R)
+      : funcDeclHandler(R), HandlerForVar(R), HandlerForClass(R),
+        HandlerForCalledFunc(R), HandlerForCalledVar(R) {
+#if 1
+    Matcher.addMatcher(functionDecl().bind("funcdecl"), &funcDeclHandler);
+    Matcher.addMatcher(
+        varDecl(anyOf(unless(hasDescendant(expr(anything()))),
+                      hasDescendant(expr(anything()).bind("expr"))))
+            .bind("vardecl"),
+        &HandlerForVar);
+    Matcher.addMatcher(recordDecl(isClass()).bind("classdecl"),
+                       &HandlerForClass);
+    Matcher.addMatcher(declRefExpr().bind("calledvar"), &HandlerForCalledVar);
+#endif
+  }
+
+  void HandleTranslationUnit(ASTContext &Context) override {
+    Matcher.matchAST(Context);
+  }
+
+private:
+  FuncDecl funcDeclHandler;
+  VDecl HandlerForVar;
+  ClassDecl HandlerForClass;
+  CalledFunc HandlerForCalledFunc;
+  CalledVar HandlerForCalledVar;
+  MatchFinder Matcher;
+};
+/*************************************************************************************************/
+class AppFrontendAction : public ASTFrontendAction {
+public:
+  AppFrontendAction() {}
+  ~AppFrontendAction() { delete BDCProto; }
+
+  void EndSourceFileAction() override {
+    std::error_code EC;
+    TheRewriter.getEditBuffer(TheRewriter.getSourceMgr().getMainFileID())
+        .write(llvm::outs());
+  }
+
+  std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &CI,
+                                                 StringRef file) override {
+    CI.getPreprocessor().addPPCallbacks(
+        llvm::make_unique<PPInclusion>(&CI.getSourceManager(), &TheRewriter));
+    DiagnosticsEngine &DE = CI.getPreprocessor().getDiagnostics();
+    DE.setClient(BDCProto, false);
+    TheRewriter.setSourceMgr(CI.getSourceManager(), CI.getLangOpts());
+    return llvm::make_unique<MyASTConsumer>(TheRewriter);
+  }
+
+private:
+  BlankDiagConsumer *BDCProto = new BlankDiagConsumer;
+  Rewriter TheRewriter;
+};
+/*************************************************************************************************/
+/*************************************************************************************************/
+/*Main*/
+int main(int argc, const char **argv) {
+  CommonOptionsParser op(argc, argv, CGrepCat);
+  const std::vector<std::string> &SourcePathList [[maybe_unused]] = op.getSourcePathList();
+  ClangTool Tool(op.getCompilations(), op.getSourcePathList());
+  int ret = Tool.run(newFrontendActionFactory<AppFrontendAction>().get());
+  return ret;
+}
+/*************************************************************************************************/
diff --git a/compile_commands.json b/compile_commands.json
new file mode 100644
index 0000000..0d0753d
--- /dev/null
+++ b/compile_commands.json
@@ -0,0 +1,7 @@
+[
+    {
+        "command": "c++ -c -fpic -I/home/bloodstalker/extra/llvm-clang-4/llvm/include -I/home/bloodstalker/extra/llvm-clang-4/build/include -fPIC -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -std=c++11 -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wcovered-switch-default -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wstring-conversion -ffunction-sections -fdata-sections -O2 -fno-exceptions -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/bloodstalker/extra/llvm-clang-4/llvm/tools/clang/include -I/home/bloodstalker/extra/llvm-clang-4/build/tools/clang/include -stdlib=libstdc++ -std=c++17 -fexceptions -o cgrep.o cgrep.cpp", 
+        "directory": "/home/bloodstalker/extra/cgrep", 
+        "file": "/home/bloodstalker/extra/cgrep/cgrep.cpp"
+    }
+]
\ No newline at end of file
diff --git a/makefile b/makefile
new file mode 100644
index 0000000..019f91f
--- /dev/null
+++ b/makefile
@@ -0,0 +1,177 @@
+TARGET=cgrep
+SHELL=bash
+SHELL?=bash
+CC=clang
+CC?=clang
+CFLAGS=-fpic -std=c11
+CXX=clang++
+CXX?=clang++
+CXX_FLAGS=-fpic
+CXX_EXTRA?=
+CTAGS_I_PATH?=./
+LD_FLAGS=
+EXTRA_LD_FLAGS?=
+ADD_SANITIZERS_CC= -g -fsanitize=address -fno-omit-frame-pointer
+ADD_SANITIZERS_LD= -g -fsanitize=address
+MEM_SANITIZERS_CC= -g -fsanitize=memory -fno-omit-frame-pointer
+MEM_SANITIZERS_LD= -g -fsanitize=memory
+UB_SANITIZERS_CC= -g -fsanitize=undefined -fno-omit-frame-pointer
+UB_SANITIZERS_LD= -g -fsanitize=undefined
+COV_CXX= -fprofile-instr-generate -fcoverage-mapping
+COV_LD= -fprofile-instr-generate
+# BUILD_MODES are=RELEASE(default), DEBUG,ADDSAN,MEMSAN,UBSAN
+BUILD_MODE?=RELEASE
+OBJ_LIST:=$(patsubst %.cpp, %.o, $(wildcard *.cpp))
+ASM_LIST:=$(patsubst %.cpp, %.dis, $(wildcard *.cpp))
+
+LLVM_CONF?=llvm-config
+LLVM_CXX_FLAGS=$(shell $(LLVM_CONF) --cxxflags)
+LLVM_CXX_FLAGS+=-I$(shell $(LLVM_CONF) --src-root)/tools/clang/include\
+ -I$(shell $(LLVM_CONF) --obj-root)/tools/clang/include\
+ -stdlib=libstdc++ -std=c++17 -fexceptions
+LLVM_LD_FLAGS=-Wl,--start-group -lclangAST -lclangAnalysis -lclangBasic\
+ -lclangDriver -lclangEdit -lclangFrontend -lclangFrontendTool\
+ -lclangLex -lclangParse -lclangSema -lclangEdit -lclangASTMatchers\
+ -lclangRewrite -lclangRewriteFrontend -lclangStaticAnalyzerFrontend\
+ -lclangStaticAnalyzerCheckers -lclangStaticAnalyzerCore\
+ -lclangSerialization -lclangToolingCore -lclangTooling -lstdc++\
+ -lLLVMRuntimeDyld -lm -Wl,--end-group
+LLVM_LD_FLAGS+=$(shell $(LLVM_CONF) --ldflags --libs --system-libs)
+
+CXX_FLAGS+=$(LLVM_CXX_FLAGS)
+LD_FLAGS+=$(LLVM_LD_FLAGS)
+
+MAKEFLAGS+=--warn-undefined-variables
+ifeq ($(BUILD_MODE), ADDSAN)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(ADD_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(ADD_SANITIZERS_LD)
+endif
+
+ifeq ($(BUILD_MODE), MEMSAN)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(MEM_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(MEM_SANITIZERS_LD)
+endif
+
+ifeq ($(BUILD_MODE), UBSAN)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(UB_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(UB_SANITIZERS_LD)
+endif
+
+SRCS:=$(wildcard *.cpp)
+HDRS:=$(wildcard *.hpp)
+CXX_FLAGS+=$(CXX_EXTRA)
+LD_FLAGS+=$(EXTRA_LD_FLAGS)
+
+.DEFAULT:all
+
+.PHONY:all clean help ASM SO TAGS
+
+all:$(TARGET)
+
+everything:$(TARGET) A ASM SO $(TARGET)-dbg TAGS $(TARGET)-cov
+
+depend:.depend
+
+.depend:$(SRCS)
+	rm -rf .depend
+	$(CXX) -MM $(CXX_FLAGS) $^ > ./.depend
+	echo $(patsubst %.o:, %.odbg:, $(shell $(CXX) -MM $(CXX_FLAGS) $^)) | sed -r 's/[A-Za-z0-9\-\_]+\.odbg/\n&/g' >> ./.depend
+	echo $(patsubst %.o:, %.ocov:, $(shell $(CXX) -MM $(CXX_FLAGS) $^)) | sed -r 's/[A-Za-z0-9\-\_]+\.ocov/\n&/g' >> ./.depend
+
+-include ./.depend
+
+.cpp.o:
+	$(CXX) $(CXX_FLAGS) -c $< -o $@
+
+%.odbg:%.cpp
+	$(CXX) $(CXX_FLAGS) -g -c $< -o $@
+
+%.ocov:%.cpp
+	$(CXX) $(CXX_FLAGS) $(COV_CXX) -c $< -o $@
+
+$(TARGET): $(TARGET).o
+	$(CXX) $^ $(LD_FLAGS) -o $@
+
+$(TARGET)-static: $(TARGET).o
+	$(CXX) $^ $(LD_FLAGS) -static -o $@
+
+$(TARGET)-dbg: $(TARGET).odbg
+	$(CXX) $^ $(LD_FLAGS) -g -o $@
+
+$(TARGET)-cov: $(TARGET).ocov
+	$(CXX) $^ $(LD_FLAGS) $(COV_LD) -o $@
+
+cov: runcov
+	@llvm-profdata merge -sparse ./default.profraw -o ./default.profdata
+	@llvm-cov show $(TARGET)-cov -instr-profile=default.profdata -ignore-filename-regex=llvm clang
+
+covrep: runcov
+	@llvm-profdata merge -sparse ./default.profraw -o ./default.profdata
+	@llvm-cov report $(TARGET)-cov -instr-profile=default.profdata -ignore-filename-regex=llvm -ignore-filename-regex=clang -show-functions autosarpp.cpp
+
+ASM:$(ASM_LIST)
+
+SO:$(TARGET).so
+
+A:$(TARGET).a
+
+TAGS:tags
+
+tags:$(SRCS)
+	$(shell $(CXX) -c $(shell $(LLVM_CONF) --cxxflags) -I$(shell $(LLVM_CONF) --src-root)/tools/clang/include -I$(shell $(LLVM_CONF) --obj-root)/tools/clang/include -I $(CTAGS_I_PATH) -M $(SRCS)|\
+		sed -e 's/[\\ ]/\n/g'|sed -e '/^$$/d' -e '/\.o:[ \t]*$$/d'|\
+		ctags -L - --c++-kinds=+p --fields=+iaS --extra=+q)
+
+%.dis: %.o
+	objdump -r -d -M intel -S $< > $@
+
+$(TARGET).so: $(TARGET).o
+	$(CXX) $^ $(LD_FLAGS) -shared -o $@
+
+$(TARGET).a: $(TARGET).o
+	ar rcs $(TARGET).a $(TARGET).o
+
+runcov: $(TARGET)-cov
+	$(TARGET)-cov ./cgrep.cpp --
+
+test: $(TARGET)
+	$(TARGET) ./cgrep.cpp --
+
+valgrind: $(TARGET)
+	- valgrind --track-origins=yes --leak-check=full --show-leak-kinds=all $(TARGET) $(TARGET).cpp --
+
+format:
+	- clang-format -i $(SRCS) $(HDRS)
+
+clean:
+	rm -f *.o *.dis *.odbg *.ocov *~ $(TARGET) $(TARGET).so $(TARGET)-static $(TARGET)-dbg $(TARGET).a $(TARGET)-cov ./keccak-tiny/*.o ./keccak-tiny/*.ocov ./keccak-tiny/*.odbg
+
+deepclean: clean
+	- rm tags
+	- rm .depend
+
+help:
+	@echo "--all is the default target, runs $(TARGET) target"
+	@echo "--everything will build everything"
+	@echo "--SO will generate the so"
+	@echo "--ASM will generate assembly files"
+	@echo "--TAGS will generate tags file"
+	@echo "--$(TARGET) builds the dynamically-linked executable"
+	@echo "--$(TARGET)-dbg will generate the debug build. BUILD_MODE should be set to DEBUG to work"
+	@echo "--$(TARGET)-static will statically link the executable to the libraries"
+	@echo "--$(TARGET)-cov is the coverage build"
+	@echo "--cov will print the line coverage report"
+	@echo "--covrep will print the coverage report"
+	@echo "--A will build the static library"
+	@echo "--TAGS will build the tags file"
+	@echo "--clean"
+	@echo "--deepclean will clean almost everything"