qzdoom/tools/re2c/parser.h

62 lines
778 B
C
Raw Normal View History

/* $Id: parser.h,v 1.10 2006/01/21 15:51:02 helly Exp $ */
#ifndef _parser_h
#define _parser_h
#include "scanner.h"
#include "re.h"
#include <iosfwd>
#include <map>
namespace re2c
{
class Symbol
{
public:
RegExp* re;
static Symbol *find(const SubStr&);
static void ClearTable();
~Symbol()
{
/** \todo should we delete 're'? */
}
typedef std::map<std::string, Symbol*> SymbolTable;
protected:
Symbol(const SubStr& str)
: re(NULL)
, name(str)
{
}
private:
static SymbolTable symbol_table;
Str name;
#if PEDANTIC
Symbol(const Symbol& oth)
: re(oth.re)
, name(oth.name)
{
}
Symbol& operator = (const Symbol& oth)
{
new(this) Symbol(oth);
return *this;
}
#endif
};
void parse(Scanner&, std::ostream&);
} // end namespace re2c
#endif