yydef.h

Shorthand是一个强大的脚本语言

#ifndef __yydef_h
#define __yydef_h
///////////////////////////////////////////////////////////////////////////////
// $Header: /shorthand/src/yydef.h 5     1/09/03 7:14p Arm $
//-----------------------------------------------------------------------------
// Project: ShortHand interpreter
// Author: Andrei Remenchuk <[e-mail]>
//-----------------------------------------------------------------------------
// value.cpp: ShortHand parser and scaner common definitions
///////////////////////////////////////////////////////////////////////////////

#include "FlexLexer.h"
#include "mstream.h"
#include "cstring.h"
#include "mman.h"


#define YYERROR_VERBOSE 1
#ifndef YYLSP_NEEDED
#define YYLSP_NEEDED 1
#endif

/////////////////////////////////////////////////////////////////
// definitions for C++ lexer 
/////////////////////////////////////////////////////////////////
#define yyinit true

/*
#ifdef YYPURE
#define YY_DECL int yylex(void *yylval)
#define TOKEN ((YYSTYPE*)yylval)
#define RETURN_TOKEN(f) return (((YYSTYPE*)yylval)->num=f)
#else 
#define YY_DECL int yylex()
#define TOKEN (&yylval)
#define RETURN_TOKEN(f) return (yylval.num=f)
#endif
*/

#define YYPARSE_PARAM parser_module
#define YYDEBUG 3


#ifdef YYLTYPE
#undef YYLTYPE
#endif
struct yyltype
{
  int first_line;
  int first_column;
  int last_line;
  int last_column;
  int offset;
  int length;
  char* text;
};
#define YYLTYPE yyltype

int yyparse(void* param);

/*
void yyinitscan();
const char* flush_html();
extern int yydebug;
*/
class TiModule;

/**
 * ShortHand lexer obejct.
 */
class ShortHandLexer : public yyFlexLexer
{
protected:
    
    mstream& m_input; // input stream
    memory m_scratch; // scratch memory
    string m_html_buffer; // html buffer

public:

    int yyline; // current line (one-based)
    int yypos; // current position  (one-based)
    YYLTYPE yylloc; // current location
    void* yylval; // current return value for parser
    int tag; // type of the current escape tag

    bool need_extra_eof; 
    int override_ident_type;
    int escape;  // type of escape tag

protected:
    
    int LexerInput(char* buf, int max_size);
    void LexerOutput( const char* buf, int size );
    void LexerError( const char* msg );

public:
    
    ShortHandLexer(mstream& input);
    const char* flush_html();
    void append_html(const char* s);
    void append_html(char ch);
    

friend class TiModule;
friend class yyFlexLexer;

};



#endif // __yydef_h