gistfile1.cpp

#include <assert.h>
#include <ctype.h>
#include <cxxabi.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <string>
#include <vector>

enum { BUF_SIZE = 1000 };

int main(int argc, char **argv) {
  char *buffer = new char[BUF_SIZE];
  char *mangle_buf = new char[BUF_SIZE];
  size_t mangle_len = BUF_SIZE;
  std::vector<std::string> line;
  while (true) {
    buffer = fgets(buffer, BUF_SIZE, stdin);
    if (buffer == NULL) {
      break;
    }
    size_t remaining = strlen(buffer) - 1;
    char *word_end = buffer + remaining;
    while (remaining > 0) {
      char *w = static_cast<char *>(memrchr(buffer, ' ', remaining));
      if (w == NULL) {
        break;
      }
      std::string word(w + 1, word_end - w);
      if (word.length() >= 2 &&
          word[0] == '_' &&
          word[1] == 'Z') {
        int status;
        size_t trim = 0;
        printf("word is \"%s\"\n", word.c_str());
        fflush(stdout);
        while (isspace(word[word.length() - trim - 1])) {
          trim++;
        }
        std::string stripped = word.substr(0, word.length() - trim);
        size_t atsign = stripped.find('@');
        if (atsign != std::string::npos) {
          stripped = stripped.substr(0, atsign);
        }

        printf("stripped is \"%s\"\n", stripped.c_str());
          fflush(stdout);
        char *realname = abi::__cxa_demangle(stripped.c_str(), mangle_buf, &mangle_len, &status);
        assert(status == 0);
        if (status == 0) {
          word = realname;
          printf("%s\n", word.c_str());
        }
      }
      remaining -= word.length();
      word_end = w;
      line.push_back(word);
    }
    std::string out;
    std::vector<std::string>::reverse_iterator it;
    for (it = line.rbegin(); it != line.rend(); ++it) {
      out += *it;
    }
    printf("%s", out.c_str());
  }
  delete[] buffer;
  return 0;
}