Synopsis - Cross-Reference

 1//
 2// Copyright (C) 2005 Stefan Seefeld
 3// All rights reserved.
 4// Licensed to the public under the terms of the GNU LGPL (>= 2),
 5// see the file COPYING for details.
 6//
 7#include <Synopsis/Buffer.hh>
 8#include <Synopsis/Lexer.hh>
 9#include <Synopsis/SymbolFactory.hh>
10#include <Synopsis/Parser.hh>
11#include <Synopsis/PTree.hh>
12#include <Synopsis/SymbolLookup.hh>
13#include <Synopsis/SymbolLookup/Display.hh>
14#include <Synopsis/Trace.hh>
15#include <fstream>
16
17using namespace Synopsis;
18
19int usage(const char *command)
20{
21  std::cerr << "Usage: " << command << " <input>" << std::endl;
22  return -1;
23}
24
25int main(int argc, char **argv)
26{
27  bool debug = false;
28  const char *input = argv[1];
29  if (argc == 1) return usage(argv[0]);
30  for (int i = 1; i < argc - 1; ++i)
31  {
32    if (argv[i] == std::string("-d")) debug = true;
33    else return usage(argv[0]);
34  }
35  input = argv[argc - 1];
36  try
37  {
38    if (debug) Trace::enable(Trace::SYMBOLLOOKUP);
39
40    std::ifstream ifs(input);
41    Buffer buffer(ifs.rdbuf(), input);
42    Lexer lexer(&buffer);
43    SymbolFactory symbols;
44    Parser parser(lexer, symbols);
45    PTree::Node *node = parser.parse();
46    const Parser::ErrorList &errors = parser.errors();
47    for (Parser::ErrorList::const_iterator i = errors.begin(); i != errors.end(); ++i)
48      (*i)->write(std::cerr);
49
50    SymbolLookup::display(symbols.current_scope(), std::cout);
51  }
52  catch (const std::exception &e)
53  {
54    std::cerr << "Caught exception : " << e.what() << std::endl;
55  }
56}