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// file : libbuild2/script/lexer.test.cxx -*- C++ -*-
// license : MIT; see accompanying LICENSE file
#include <cassert>
#include <iostream>
#include <libbuild2/types.hxx>
#include <libbuild2/utility.hxx>
#include <libbuild2/script/token.hxx>
#include <libbuild2/script/lexer.hxx>
using namespace std;
namespace build2
{
namespace script
{
// Usage: argv[0] <lexer-mode>
//
int
main (int argc, char* argv[])
{
lexer_mode m;
{
assert (argc == 2);
string s (argv[1]);
if (s == "command-expansion") m = lexer_mode::command_expansion;
else if (s == "here-line-single") m = lexer_mode::here_line_single;
else if (s == "here-line-double") m = lexer_mode::here_line_double;
else assert (false);
}
try
{
cin.exceptions (istream::failbit | istream::badbit);
path_name in ("<stdin>");
using type = token_type;
redirect_aliases ra {type (type::in_file),
type (type::in_doc),
type (type::in_str),
type (type::out_file_ovr),
type (type::out_file_app),
nullopt};
lexer l (cin, in, m, ra);
// No use printing eos since we will either get it or loop forever.
//
for (token t (l.next ()); t.type != token_type::eos; t = l.next ())
{
// Print each token on a separate line without quoting operators.
//
t.printer (cout, t, print_mode::normal);
cout << endl;
}
}
catch (const failed&)
{
return 1;
}
return 0;
}
}
}
int
main (int argc, char* argv[])
{
return build2::script::main (argc, argv);
}
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