571 lines
15 KiB
C++
571 lines
15 KiB
C++
/*
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* $Id: Awk.hpp,v 1.45 2007/07/15 16:31:59 bacon Exp $
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*/
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#ifndef _ASE_AWK_AWK_HPP_
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#define _ASE_AWK_AWK_HPP_
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#include <ase/awk/awk.h>
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#include <ase/awk/map.h>
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#include <stdarg.h>
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namespace ASE
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{
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class Awk
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{
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public:
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typedef ase_bool_t bool_t;
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typedef ase_char_t char_t;
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typedef ase_cint_t cint_t;
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typedef ase_size_t size_t;
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typedef ase_ssize_t ssize_t;
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typedef ase_long_t long_t;
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typedef ase_real_t real_t;
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typedef ase_awk_val_t val_t;
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typedef ase_awk_map_t map_t;
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typedef ase_awk_pair_t pair_t;
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typedef ase_awk_extio_t extio_t;
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typedef ase_awk_run_t run_t;
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typedef ase_awk_t awk_t;
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class Source
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{
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public:
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enum Mode
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{
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READ,
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WRITE
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};
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Source (Mode mode);
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Mode getMode() const;
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const void* getHandle () const;
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void setHandle (void* handle);
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private:
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Mode mode;
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void* handle;
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};
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class Extio
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{
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protected:
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Extio (extio_t* extio);
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public:
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const char_t* getName() const;
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const void* getHandle () const;
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void setHandle (void* handle);
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protected:
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extio_t* extio;
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};
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class Pipe: public Extio
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{
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public:
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friend class Awk;
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enum Mode
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{
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READ = ASE_AWK_EXTIO_PIPE_READ,
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WRITE = ASE_AWK_EXTIO_PIPE_WRITE
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};
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protected:
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Pipe (extio_t* extio);
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public:
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Mode getMode () const;
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};
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class File: public Extio
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{
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public:
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friend class Awk;
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enum Mode
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{
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READ = ASE_AWK_EXTIO_FILE_READ,
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WRITE = ASE_AWK_EXTIO_FILE_WRITE,
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APPEND = ASE_AWK_EXTIO_FILE_APPEND
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};
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protected:
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File (extio_t* extio);
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public:
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Mode getMode () const;
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};
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class Console: public Extio
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{
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public:
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friend class Awk;
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enum Mode
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{
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READ = ASE_AWK_EXTIO_CONSOLE_READ,
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WRITE = ASE_AWK_EXTIO_CONSOLE_WRITE
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};
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protected:
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Console (extio_t* extio);
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~Console ();
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public:
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Mode getMode () const;
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int setFileName (const char_t* name);
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protected:
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char_t* filename;
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};
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class Argument
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{
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protected:
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friend class Awk;
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Argument ();
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~Argument ();
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// initialization
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void* operator new (size_t n, awk_t* awk) throw ();
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void* operator new[] (size_t n, awk_t* awk) throw ();
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#if !defined(__BORLANDC__)
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// deletion when initialization fails
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void operator delete (void* p, awk_t* awk);
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void operator delete[] (void* p, awk_t* awk);
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#endif
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// normal deletion
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void operator delete (void* p);
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void operator delete[] (void* p);
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private:
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Argument (const Argument&);
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Argument& operator= (const Argument&);
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protected:
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int init (run_t* run, val_t* v);
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public:
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long_t toInt () const;
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real_t toReal () const;
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const char_t* toStr (size_t* len) const;
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protected:
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run_t* run;
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val_t* val;
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ase_long_t inum;
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ase_real_t rnum;
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struct
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{
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char_t* ptr;
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size_t len;
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} str;
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};
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class Return
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{
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protected:
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friend class Awk;
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Return (run_t* run);
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~Return ();
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val_t* toVal () const;
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public:
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int set (long_t v);
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int set (real_t v);
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int set (char_t* ptr, size_t len);
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void clear ();
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protected:
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run_t* run;
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int type;
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union
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{
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ase_long_t inum;
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ase_real_t rnum;
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struct
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{
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char_t* ptr;
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size_t len;
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} str;
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} v;
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};
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// generated by generrcode.awk
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enum ErrorCode
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{
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ERR_NOERR = ASE_AWK_ENOERR,
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ERR_INVAL = ASE_AWK_EINVAL,
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ERR_NOMEM = ASE_AWK_ENOMEM,
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ERR_NOSUP = ASE_AWK_ENOSUP,
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ERR_NOPER = ASE_AWK_ENOPER,
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ERR_NODEV = ASE_AWK_ENODEV,
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ERR_NOSPC = ASE_AWK_ENOSPC,
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ERR_MFILE = ASE_AWK_EMFILE,
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ERR_MLINK = ASE_AWK_EMLINK,
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ERR_AGAIN = ASE_AWK_EAGAIN,
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ERR_NOENT = ASE_AWK_ENOENT,
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ERR_EXIST = ASE_AWK_EEXIST,
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ERR_FTBIG = ASE_AWK_EFTBIG,
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ERR_TBUSY = ASE_AWK_ETBUSY,
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ERR_ISDIR = ASE_AWK_EISDIR,
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ERR_IOERR = ASE_AWK_EIOERR,
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ERR_OPEN = ASE_AWK_EOPEN,
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ERR_READ = ASE_AWK_EREAD,
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ERR_WRITE = ASE_AWK_EWRITE,
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ERR_CLOSE = ASE_AWK_ECLOSE,
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ERR_INTERN = ASE_AWK_EINTERN,
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ERR_RUNTIME = ASE_AWK_ERUNTIME,
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ERR_BLKNST = ASE_AWK_EBLKNST,
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ERR_EXPRNST = ASE_AWK_EEXPRNST,
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ERR_SINOP = ASE_AWK_ESINOP,
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ERR_SINCL = ASE_AWK_ESINCL,
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ERR_SINRD = ASE_AWK_ESINRD,
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ERR_SOUTOP = ASE_AWK_ESOUTOP,
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ERR_SOUTCL = ASE_AWK_ESOUTCL,
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ERR_SOUTWR = ASE_AWK_ESOUTWR,
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ERR_LXCHR = ASE_AWK_ELXCHR,
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ERR_LXDIG = ASE_AWK_ELXDIG,
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ERR_LXUNG = ASE_AWK_ELXUNG,
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ERR_ENDSRC = ASE_AWK_EENDSRC,
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ERR_ENDCMT = ASE_AWK_EENDCMT,
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ERR_ENDSTR = ASE_AWK_EENDSTR,
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ERR_ENDREX = ASE_AWK_EENDREX,
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ERR_LBRACE = ASE_AWK_ELBRACE,
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ERR_LPAREN = ASE_AWK_ELPAREN,
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ERR_RPAREN = ASE_AWK_ERPAREN,
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ERR_RBRACK = ASE_AWK_ERBRACK,
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ERR_COMMA = ASE_AWK_ECOMMA,
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ERR_SCOLON = ASE_AWK_ESCOLON,
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ERR_COLON = ASE_AWK_ECOLON,
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ERR_STMEND = ASE_AWK_ESTMEND,
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ERR_IN = ASE_AWK_EIN,
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ERR_NOTVAR = ASE_AWK_ENOTVAR,
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ERR_EXPRES = ASE_AWK_EEXPRES,
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ERR_WHILE = ASE_AWK_EWHILE,
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ERR_ASSIGN = ASE_AWK_EASSIGN,
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ERR_IDENT = ASE_AWK_EIDENT,
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ERR_FNNAME = ASE_AWK_EFNNAME,
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ERR_BLKBEG = ASE_AWK_EBLKBEG,
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ERR_BLKEND = ASE_AWK_EBLKEND,
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ERR_DUPBEG = ASE_AWK_EDUPBEG,
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ERR_DUPEND = ASE_AWK_EDUPEND,
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ERR_BFNRED = ASE_AWK_EBFNRED,
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ERR_AFNRED = ASE_AWK_EAFNRED,
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ERR_GBLRED = ASE_AWK_EGBLRED,
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ERR_PARRED = ASE_AWK_EPARRED,
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ERR_DUPPAR = ASE_AWK_EDUPPAR,
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ERR_DUPGBL = ASE_AWK_EDUPGBL,
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ERR_DUPLCL = ASE_AWK_EDUPLCL,
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ERR_BADPAR = ASE_AWK_EBADPAR,
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ERR_BADVAR = ASE_AWK_EBADVAR,
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ERR_UNDEF = ASE_AWK_EUNDEF,
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ERR_LVALUE = ASE_AWK_ELVALUE,
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ERR_GBLTM = ASE_AWK_EGBLTM,
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ERR_LCLTM = ASE_AWK_ELCLTM,
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ERR_PARTM = ASE_AWK_EPARTM,
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ERR_DELETE = ASE_AWK_EDELETE,
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ERR_BREAK = ASE_AWK_EBREAK,
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ERR_CONTINUE = ASE_AWK_ECONTINUE,
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ERR_NEXTBEG = ASE_AWK_ENEXTBEG,
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ERR_NEXTEND = ASE_AWK_ENEXTEND,
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ERR_NEXTFBEG = ASE_AWK_ENEXTFBEG,
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ERR_NEXTFEND = ASE_AWK_ENEXTFEND,
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ERR_PRINTFARG = ASE_AWK_EPRINTFARG,
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ERR_PREPST = ASE_AWK_EPREPST,
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ERR_GLNCPS = ASE_AWK_EGLNCPS,
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ERR_DIVBY0 = ASE_AWK_EDIVBY0,
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ERR_OPERAND = ASE_AWK_EOPERAND,
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ERR_POSIDX = ASE_AWK_EPOSIDX,
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ERR_ARGTF = ASE_AWK_EARGTF,
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ERR_ARGTM = ASE_AWK_EARGTM,
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ERR_FNNONE = ASE_AWK_EFNNONE,
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ERR_NOTIDX = ASE_AWK_ENOTIDX,
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ERR_NOTDEL = ASE_AWK_ENOTDEL,
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ERR_NOTMAP = ASE_AWK_ENOTMAP,
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ERR_NOTMAPIN = ASE_AWK_ENOTMAPIN,
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ERR_NOTMAPNILIN = ASE_AWK_ENOTMAPNILIN,
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ERR_NOTREF = ASE_AWK_ENOTREF,
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ERR_NOTASS = ASE_AWK_ENOTASS,
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ERR_IDXVALASSMAP = ASE_AWK_EIDXVALASSMAP,
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ERR_POSVALASSMAP = ASE_AWK_EPOSVALASSMAP,
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ERR_MAPTOSCALAR = ASE_AWK_EMAPTOSCALAR,
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ERR_SCALARTOMAP = ASE_AWK_ESCALARTOMAP,
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ERR_MAPNOTALLOWED = ASE_AWK_EMAPNOTALLOWED,
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ERR_VALTYPE = ASE_AWK_EVALTYPE,
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ERR_RDELETE = ASE_AWK_ERDELETE,
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ERR_RNEXTBEG = ASE_AWK_ERNEXTBEG,
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ERR_RNEXTEND = ASE_AWK_ERNEXTEND,
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ERR_RNEXTFBEG = ASE_AWK_ERNEXTFBEG,
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ERR_RNEXTFEND = ASE_AWK_ERNEXTFEND,
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ERR_BFNUSER = ASE_AWK_EBFNUSER,
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ERR_BFNIMPL = ASE_AWK_EBFNIMPL,
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ERR_IOUSER = ASE_AWK_EIOUSER,
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ERR_IONONE = ASE_AWK_EIONONE,
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ERR_IOIMPL = ASE_AWK_EIOIMPL,
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ERR_IONMEM = ASE_AWK_EIONMEM,
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ERR_IONMNL = ASE_AWK_EIONMNL,
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ERR_FMTARG = ASE_AWK_EFMTARG,
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ERR_FMTCNV = ASE_AWK_EFMTCNV,
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ERR_CONVFMTCHR = ASE_AWK_ECONVFMTCHR,
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ERR_OFMTCHR = ASE_AWK_EOFMTCHR,
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ERR_REXRECUR = ASE_AWK_EREXRECUR,
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ERR_REXRPAREN = ASE_AWK_EREXRPAREN,
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ERR_REXRBRACKET = ASE_AWK_EREXRBRACKET,
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ERR_REXRBRACE = ASE_AWK_EREXRBRACE,
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ERR_REXUNBALPAR = ASE_AWK_EREXUNBALPAR,
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ERR_REXCOLON = ASE_AWK_EREXCOLON,
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ERR_REXCRANGE = ASE_AWK_EREXCRANGE,
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ERR_REXCCLASS = ASE_AWK_EREXCCLASS,
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ERR_REXBRANGE = ASE_AWK_EREXBRANGE,
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ERR_REXEND = ASE_AWK_EREXEND,
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ERR_REXGARBAGE = ASE_AWK_EREXGARBAGE,
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};
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// end of enum ErrorCode
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// generated by genoptcode.awk
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enum Option
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{
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OPT_IMPLICIT = ASE_AWK_IMPLICIT,
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OPT_EXPLICIT = ASE_AWK_EXPLICIT,
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OPT_UNIQUEFN = ASE_AWK_UNIQUEFN,
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OPT_SHADING = ASE_AWK_SHADING,
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OPT_SHIFT = ASE_AWK_SHIFT,
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OPT_IDIV = ASE_AWK_IDIV,
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OPT_STRCONCAT = ASE_AWK_STRCONCAT,
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OPT_EXTIO = ASE_AWK_EXTIO,
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OPT_COPROC = ASE_AWK_COPROC,
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OPT_BLOCKLESS = ASE_AWK_BLOCKLESS,
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OPT_STRBASEONE = ASE_AWK_STRBASEONE,
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OPT_STRIPSPACES = ASE_AWK_STRIPSPACES,
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OPT_NEXTOFILE = ASE_AWK_NEXTOFILE,
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OPT_CRLF = ASE_AWK_CRLF,
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OPT_ARGSTOMAIN = ASE_AWK_ARGSTOMAIN
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};
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// end of enum Option
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class Run
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{
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protected:
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friend class Awk;
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Run (Awk* awk);
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public:
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int stop () const;
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ErrorCode getErrorCode () const;
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size_t getErrorLine () const;
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const char_t* getErrorMessage () const;
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protected:
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Awk* awk;
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run_t* run;
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bool callbackFailed;
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};
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Awk ();
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virtual ~Awk ();
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ErrorCode getErrorCode () const;
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size_t getErrorLine () const ;
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const char_t* getErrorMessage () const;
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protected:
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void setError (ErrorCode code, size_t line = 0,
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const char_t* arg = ASE_NULL, size_t len = 0);
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void clearError ();
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void retrieveError ();
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public:
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virtual int open ();
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virtual void close ();
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virtual void setOption (int opt);
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virtual int getOption () const;
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enum Depth
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{
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DEPTH_BLOCK_PARSE = ASE_AWK_DEPTH_BLOCK_PARSE,
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DEPTH_BLOCK_RUN = ASE_AWK_DEPTH_BLOCK_RUN,
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DEPTH_EXPR_PARSE = ASE_AWK_DEPTH_EXPR_PARSE,
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DEPTH_EXPR_RUN = ASE_AWK_DEPTH_EXPR_RUN,
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DEPTH_REX_BUILD = ASE_AWK_DEPTH_REX_BUILD,
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DEPTH_REX_MATCH = ASE_AWK_DEPTH_REX_MATCH
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};
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virtual void setMaxDepth (int ids, size_t depth);
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virtual int getMaxDepth (int id) const;
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virtual int setErrorString (ErrorCode num, const char_t* str);
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virtual int setWord (
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const char_t* ow, const char_t* nw);
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virtual int setWord (
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const char_t* ow, ase_size_t owl,
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const char_t* nw, ase_size_t nwl);
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virtual int unsetWord (const char_t* ow);
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virtual int unsetWord (const char_t* ow, ase_size_t owl);
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virtual int unsetAllWords ();
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virtual int parse ();
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virtual int run (const char_t* main = ASE_NULL,
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const char_t** args = ASE_NULL, size_t nargs = 0);
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typedef int (Awk::*FunctionHandler) (
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Return* ret, const Argument* args, size_t nargs,
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const char_t* name, size_t len);
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virtual int addFunction (
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const char_t* name, size_t minArgs, size_t maxArgs,
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FunctionHandler handler);
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virtual int deleteFunction (const char_t* main);
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virtual void enableRunCallback ();
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virtual void disableRunCallback ();
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protected:
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virtual int dispatchFunction (
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run_t* run, const char_t* name, size_t len);
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// source code io handlers
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virtual int openSource (Source& io) = 0;
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virtual int closeSource (Source& io) = 0;
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virtual ssize_t readSource (Source& io, char_t* buf, size_t len) = 0;
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virtual ssize_t writeSource (Source& io, char_t* buf, size_t len) = 0;
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// pipe io handlers
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virtual int openPipe (Pipe& io) = 0;
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virtual int closePipe (Pipe& io) = 0;
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virtual ssize_t readPipe (Pipe& io, char_t* buf, size_t len) = 0;
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virtual ssize_t writePipe (Pipe& io, char_t* buf, size_t len) = 0;
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virtual int flushPipe (Pipe& io) = 0;
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// file io handlers
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virtual int openFile (File& io) = 0;
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virtual int closeFile (File& io) = 0;
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virtual ssize_t readFile (File& io, char_t* buf, size_t len) = 0;
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virtual ssize_t writeFile (File& io, char_t* buf, size_t len) = 0;
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virtual int flushFile (File& io) = 0;
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// console io handlers
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virtual int openConsole (Console& io) = 0;
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virtual int closeConsole (Console& io) = 0;
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virtual ssize_t readConsole (Console& io, char_t* buf, size_t len) = 0;
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virtual ssize_t writeConsole (Console& io, char_t* buf, size_t len) = 0;
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virtual int flushConsole (Console& io) = 0;
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virtual int nextConsole (Console& io) = 0;
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// run-time callbacks
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virtual void onRunStart (const Run& run);
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virtual void onRunEnd (const Run& run);
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virtual void onRunReturn (const Run& run, const Argument& ret);
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virtual void onRunStatement (const Run& run, size_t line);
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// primitive handlers
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virtual void* allocMem (size_t n) = 0;
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virtual void* reallocMem (void* ptr, size_t n) = 0;
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virtual void freeMem (void* ptr) = 0;
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virtual bool_t isUpper (cint_t c) = 0;
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virtual bool_t isLower (cint_t c) = 0;
|
|
virtual bool_t isAlpha (cint_t c) = 0;
|
|
virtual bool_t isDigit (cint_t c) = 0;
|
|
virtual bool_t isXdigit (cint_t c) = 0;
|
|
virtual bool_t isAlnum (cint_t c) = 0;
|
|
virtual bool_t isSpace (cint_t c) = 0;
|
|
virtual bool_t isPrint (cint_t c) = 0;
|
|
virtual bool_t isGraph (cint_t c) = 0;
|
|
virtual bool_t isCntrl (cint_t c) = 0;
|
|
virtual bool_t isPunct (cint_t c) = 0;
|
|
virtual cint_t toUpper (cint_t c) = 0;
|
|
virtual cint_t toLower (cint_t c) = 0;
|
|
|
|
virtual real_t pow (real_t x, real_t y) = 0;
|
|
virtual int vsprintf (char_t* buf, size_t size,
|
|
const char_t* fmt, va_list arg) = 0;
|
|
virtual void vdprintf (const char_t* fmt, va_list arg) = 0;
|
|
|
|
// static glue members for various handlers
|
|
static ssize_t sourceReader (
|
|
int cmd, void* arg, char_t* data, size_t count);
|
|
static ssize_t sourceWriter (
|
|
int cmd, void* arg, char_t* data, size_t count);
|
|
|
|
static ssize_t pipeHandler (
|
|
int cmd, void* arg, char_t* data, size_t count);
|
|
static ssize_t fileHandler (
|
|
int cmd, void* arg, char_t* data, size_t count);
|
|
static ssize_t consoleHandler (
|
|
int cmd, void* arg, char_t* data, size_t count);
|
|
|
|
static int functionHandler (
|
|
run_t* run, const char_t* name, size_t len);
|
|
static void freeFunctionMapValue (void* owner, void* value);
|
|
|
|
static void onRunStart (run_t* run, void* custom);
|
|
static void onRunEnd (run_t* run, int errnum, void* custom);
|
|
static void onRunReturn (run_t* run, val_t* ret, void* custom);
|
|
static void onRunStatement (run_t* run, size_t line, void* custom);
|
|
|
|
static void* allocMem (void* custom, size_t n);
|
|
static void* reallocMem (void* custom, void* ptr, size_t n);
|
|
static void freeMem (void* custom, void* ptr);
|
|
|
|
static bool_t isUpper (void* custom, cint_t c);
|
|
static bool_t isLower (void* custom, cint_t c);
|
|
static bool_t isAlpha (void* custom, cint_t c);
|
|
static bool_t isDigit (void* custom, cint_t c);
|
|
static bool_t isXdigit (void* custom, cint_t c);
|
|
static bool_t isAlnum (void* custom, cint_t c);
|
|
static bool_t isSpace (void* custom, cint_t c);
|
|
static bool_t isPrint (void* custom, cint_t c);
|
|
static bool_t isGraph (void* custom, cint_t c);
|
|
static bool_t isCntrl (void* custom, cint_t c);
|
|
static bool_t isPunct (void* custom, cint_t c);
|
|
static cint_t toUpper (void* custom, cint_t c);
|
|
static cint_t toLower (void* custom, cint_t c);
|
|
|
|
static real_t pow (void* custom, real_t x, real_t y);
|
|
static int sprintf (void* custom, char_t* buf, size_t size,
|
|
const char_t* fmt, ...);
|
|
static void dprintf (void* custom, const char_t* fmt, ...);
|
|
|
|
protected:
|
|
awk_t* awk;
|
|
map_t* functionMap;
|
|
|
|
Source sourceIn;
|
|
Source sourceOut;
|
|
|
|
ErrorCode errnum;
|
|
size_t errlin;
|
|
char_t errmsg[256];
|
|
|
|
bool runCallback;
|
|
|
|
private:
|
|
Awk (const Awk&);
|
|
Awk& operator= (const Awk&);
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|