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// file : build2/test/script/lexer -*- C++ -*-
// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#ifndef BUILD2_TEST_SCRIPT_LEXER
#define BUILD2_TEST_SCRIPT_LEXER
#include <build2/types>
#include <build2/utility>
#include <build2/lexer>
#include <build2/test/script/token>
namespace build2
{
namespace test
{
namespace script
{
struct lexer_mode: build2::lexer_mode
{
using base_type = build2::lexer_mode;
enum
{
script_line = base_type::value_next,
variable_line, // Auto-expires at the end of the line.
test_line,
command_line,
here_line
};
using base_type::base_type;
};
class lexer: public build2::lexer
{
public:
using base_lexer = build2::lexer;
using base_mode = build2::lexer_mode;
lexer (istream& is, const path& name, lexer_mode m)
: base_lexer (is, name, nullptr, nullptr, false) {mode (m);}
virtual void
mode (base_mode, char = '\0') override;
// Return true if we entered the quoted (double or single) mode since
// last reset.
//
bool
quoted () const {return quoted_;}
void
reset_quoted (bool q) {quoted_ = q;}
protected:
virtual token
next_impl () override;
token
next_line ();
virtual token
word (bool) override;
protected:
bool quoted_ = false;
};
}
}
}
#endif // BUILD2_TEST_SCRIPT_LEXER
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