diff options
| -rw-r--r-- | README.md | 3 | ||||
| -rw-r--r-- | cgrep.cpp | 59 | ||||
| -rw-r--r-- | makefile | 2 |
3 files changed, 56 insertions, 8 deletions
@@ -17,6 +17,9 @@ A simple usage example:<br/> cgrep --func --var --regex n[aA]m ./cgrep.cpp ``` Pleade do note that the regex will pass through both C++ and the regex engine, so if you would want to escape `\`, the regex you pass as the commandline arg would be `\\\\` instead of the normal `\\`.<br/> +In order for cgrep to work, you need to have a compilation database, tools like cmake can generate one for you.<br/> +If your build tool doesn't do that, you can just use [bear](https://github.com/rizsotto/Bear).<br/> +You can also skipp the compilation database alltogether passing cgrep `--` after the input file name.<br/> ## Options Here's an option list though it might not be necessarily up-to-date.<br/> @@ -54,9 +54,11 @@ cl::opt<bool> CO_MACRO("macro", cl::desc("match macro definitions"), cl::init(fa cl::opt<bool> CO_HEADER("header", cl::desc("match headers in header inclusions"), cl::init(false), cl::cat(CGrepCat), cl::Optional); //done cl::opt<bool> CO_ALL("all", cl::desc("turns on all switches other than nameddecl"), cl::init(false), cl::cat(CGrepCat), cl::Optional); // done cl::opt<bool> CO_NAMEDDECL("nameddecl", cl::desc("matches all named declrations"), cl::init(false), cl::cat(CGrepCat), cl::Optional); // done -cl::opt<bool> CO_AWK("awk", cl::desc("outputs location in a gawk freidnly format"), cl::init(false), cl::cat(CGrepCat), cl::Optional); // done +cl::opt<bool> CO_AWK("awk", cl::desc("outputs location in a gawk freidnly format"), cl::init(false), cl::cat(CGrepCat), cl::Optional); cl::opt<bool> CO_SYSHDR("syshdr", cl::desc("match identifiers in system header as well"), cl::init(false), cl::cat(CGrepCat), cl::Optional); //done cl::opt<bool> CO_MAINFILE("mainfile", cl::desc("mathc identifiers in the main file only"), cl::init(true), cl::cat(CGrepCat), cl::Optional); //done +cl::opt<int> CO_A("A", cl::desc("same as grep, how many lines after the matched line to print"), cl::init(0), cl::cat(CGrepCat), cl::Optional); +cl::opt<int> CO_B("B", cl::desc("same as grep, howm many lines before the matched line to print"), cl::init(0), cl::cat(CGrepCat), cl::Optional); } /*************************************************************************************************/ #if 1 @@ -66,6 +68,19 @@ cl::opt<bool> CO_MAINFILE("mainfile", cl::desc("mathc identifiers in the main fi #define REGEX_PP(RX_STR) regex_preprocessor(RX_STR) #endif +#define RED "\033[1;31m" +#define CYAN "\033[1;36m" +#define GREEN "\033[1;32m" +#define BLUE "\033[1;34m" +#define BLACK "\033[1;30m" +#define BROWN "\033[1;33m" +#define MAGENTA "\033[1;35m" +#define GRAY "\033[1;37m" +#define DARKGRAY "\033[1;30m" +#define YELLOW "\033[1;33m" +#define NORMAL "\033[0m" +#define CLEAR "\033[2J" + /** * @brief does some preprocessing on the regex string we get as input * @param rx_str @@ -82,11 +97,11 @@ bool regex_handler(std::string rx_str, std::string identifier_name) { return std::regex_search(identifier_name, result, rx); } -std::string output_handler(SourceLocation SL, SourceManager &SM) { +std::string output_handler(MatchFinder::MatchResult &MR, SourceLocation SL, SourceManager &SM, bool isdecl) { return SL.printToString(SM); } -std::string output_handler(SourceRange SR, SourceManager &SM) { +std::string output_handler(MatchFinder::MatchResult &MR, SourceRange SR, SourceManager &SM, bool isdecl) { return SR.getBegin().printToString(SM); } @@ -119,7 +134,8 @@ public: virtual void run(const MatchFinder::MatchResult &MR) { const FunctionDecl *FD = MR.Nodes.getNodeAs<clang::FunctionDecl>("funcdecl"); if (FD) { - SourceRange SR = FD->getSourceRange(); + DeclarationNameInfo DNI = FD->getNameInfo(); + SourceRange SR = DNI.getSourceRange(); SourceLocation SL = SR.getBegin(); CheckSLValidity(SL); SL = Devi::SourceLocationHasMacro(SL, Rewrite, "start"); @@ -127,9 +143,38 @@ public: if (!Devi::IsTheMatchInMainFile(CO_MAINFILE, MR, SL)) return void(); std::string name = FD->getNameAsString(); if (regex_handler(REGEX_PP(CO_REGEX), name)) { - std::cout << name << "\t"; - std::cout << SR.getBegin().printToString(*MR.SourceManager) << "\t"; - std::cout << SR.getEnd().printToString(*MR.SourceManager) << "\n"; + std::cout << MAGENTA << SR.getBegin().printToString(*MR.SourceManager) << "\t" << SR.getEnd().printToString(*MR.SourceManager) << NORMAL << "\n"; + std::ifstream mainfile; + mainfile.open(MR.SourceManager->getFilename(SL).str()); + auto linenumber = MR.SourceManager->getSpellingLineNumber(SL); + auto columnnumber_start = MR.SourceManager->getSpellingColumnNumber(SR.getBegin()); + //auto columnnumber_end = MR.SourceManager->getSpellingColumnNumber(SR.getEnd()); + //std::cout << DNI.getAsString().length() << "\n"; + auto columnnumber_end = columnnumber_start + DNI.getAsString().length() - 1; + unsigned line_range_begin = linenumber - CO_B; + unsigned line_range_end = linenumber + CO_A; + std::string line; + unsigned line_nu = 0; + while(getline(mainfile, line)) { + line_nu++; + if (line_nu >= line_range_begin && line_nu <= line_range_end) { + if (line_nu == linenumber) { + std::cout << RED << MR.SourceManager->getFilename(SL).str() << ":" << linenumber << ":" <<columnnumber_start << ":" << NORMAL; + for (unsigned i = 1; i < line.length(); ++i) { + if (i >= columnnumber_start && i <= columnnumber_end) { + std::cout << RED << line[i] << NORMAL; + } else { + std::cout << line[i]; + } + } + std::cout << GREEN << "\t<---defined here" << NORMAL << "\n"; + } else { + std::cout << line << "\n"; + } + } + } + std::cout << "\n"; + mainfile.close(); } } } @@ -153,7 +153,7 @@ runcov: $(TARGET)-cov $(TARGET)-cov ./cgrep.cpp -- test: $(TARGET) - $(TARGET) --regex name --var --func ./cgrep.cpp + $(TARGET) --A 1 --B 1 --regex run --func ./cgrep.cpp valgrind: $(TARGET) - valgrind --track-origins=yes --leak-check=full --show-leak-kinds=all $(TARGET) $(TARGET).cpp -- |