18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// $Header: /home/daffy/u0/vern/flex/RCS/FlexLexer.h,v 1.19 96/05/25 20:43:02 vern Exp $ 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// FlexLexer.h -- define interfaces for lexical analyzer classes generated 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// by flex 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// Copyright (c) 1993 The Regents of the University of California. 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// All rights reserved. 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// This code is derived from software contributed to Berkeley by 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// Kent Williams and Tom Epperly. 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// Redistribution and use in source and binary forms with or without 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// modification are permitted provided that: (1) source distributions retain 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// this entire copyright notice and comment, and (2) distributions including 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// binaries display the following acknowledgement: ``This product includes 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// software developed by the University of California, Berkeley and its 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// contributors'' in the documentation or other materials provided with the 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// distribution and in all advertising materials mentioning features or use 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// of this software. Neither the name of the University nor the names of 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// its contributors may be used to endorse or promote products derived from 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// this software without specific prior written permission. 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// This file defines FlexLexer, an abstract class which specifies the 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// external interface provided to flex C++ lexer objects, and yyFlexLexer, 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// which defines a particular lexer class. 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// If you want to create multiple lexer classes, you use the -P flag 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// to rename each yyFlexLexer to some other xxFlexLexer. You then 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// include <FlexLexer.h> in your other sources once per lexer class: 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// #undef yyFlexLexer 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// #define yyFlexLexer xxFlexLexer 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// #include <FlexLexer.h> 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// #undef yyFlexLexer 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// #define yyFlexLexer zzFlexLexer 418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// #include <FlexLexer.h> 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// ... 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#ifndef __FLEX_LEXER_H 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// Never included before - need to define base class. 468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#define __FLEX_LEXER_H 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <iostream.h> 488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectextern "C++" { 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectstruct yy_buffer_state; 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projecttypedef int yy_state_type; 538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectclass FlexLexer { 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectpublic: 568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual ~FlexLexer() { } 578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project const char* YYText() { return yytext; } 598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int YYLeng() { return yyleng; } 608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project yy_switch_to_buffer( struct yy_buffer_state* new_buffer ) = 0; 638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual struct yy_buffer_state* 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project yy_create_buffer( istream* s, int size ) = 0; 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void yy_delete_buffer( struct yy_buffer_state* b ) = 0; 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void yyrestart( istream* s ) = 0; 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual int yylex() = 0; 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // Call yylex with new input/output sources. 718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yylex( istream* new_in, ostream* new_out = 0 ) 728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project { 738e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project switch_streams( new_in, new_out ); 748e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return yylex(); 758e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 768e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // Switch to new input/output streams. A nil stream pointer 788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // indicates "keep the current one". 798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void switch_streams( istream* new_in = 0, 808e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ostream* new_out = 0 ) = 0; 818e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 828e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int lineno() const { return yylineno; } 838e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 848e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int debug() const { return yy_flex_debug; } 858e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void set_debug( int flag ) { yy_flex_debug = flag; } 868e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 878e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectprotected: 888e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project char* yytext; 898e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yyleng; 908e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yylineno; // only maintained if you use %option yylineno 918e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_flex_debug; // only has effect with -d or "%option debug" 928e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project}; 938e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 948e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 958e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif 968e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 978e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#if defined(yyFlexLexer) || ! defined(yyFlexLexerOnce) 988e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// Either this is the first time through (yyFlexLexerOnce not defined), 998e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// or this is a repeated include to define a different flavor of 1008e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// yyFlexLexer, as discussed in the flex man page. 1018e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#define yyFlexLexerOnce 1028e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1038e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectclass yyFlexLexer : public FlexLexer { 1048e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectpublic: 1058e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // arg_yyin and arg_yyout default to the cin and cout, but we 1068e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // only make that assignment when initializing in yylex(). 1078e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project yyFlexLexer( istream* arg_yyin = 0, ostream* arg_yyout = 0 ); 1088e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1098e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual ~yyFlexLexer(); 1108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void yy_switch_to_buffer( struct yy_buffer_state* new_buffer ); 1128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project struct yy_buffer_state* yy_create_buffer( istream* s, int size ); 1138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void yy_delete_buffer( struct yy_buffer_state* b ); 1148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void yyrestart( istream* s ); 1158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual int yylex(); 1178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void switch_streams( istream* new_in, ostream* new_out ); 1188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectprotected: 1208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual int LexerInput( char* buf, int max_size ); 1218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void LexerOutput( const char* buf, int size ); 1228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void LexerError( const char* msg ); 1238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void yyunput( int c, char* buf_ptr ); 1258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yyinput(); 1268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void yy_load_buffer_state(); 1288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void yy_init_buffer( struct yy_buffer_state* b, istream* s ); 1298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void yy_flush_buffer( struct yy_buffer_state* b ); 1308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_start_stack_ptr; 1328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_start_stack_depth; 1338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int* yy_start_stack; 1348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void yy_push_state( int new_state ); 1368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void yy_pop_state(); 1378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_top_state(); 1388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project yy_state_type yy_get_previous_state(); 1408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project yy_state_type yy_try_NUL_trans( yy_state_type current_state ); 1418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_get_next_buffer(); 1428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project istream* yyin; // input source for default LexerInput 1448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ostream* yyout; // output sink for default LexerOutput 1458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project struct yy_buffer_state* yy_current_buffer; 1478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // yy_hold_char holds the character lost when yytext is formed. 1498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project char yy_hold_char; 1508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // Number of characters read into yy_ch_buf. 1528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_n_chars; 1538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // Points to current character in buffer. 1558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project char* yy_c_buf_p; 1568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_init; // whether we need to initialize 1588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_start; // start state number 1598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // Flag which is used to allow yywrap()'s to do buffer switches 1618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // instead of setting up a fresh yyin. A bit of a hack ... 1628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_did_buffer_switch_on_eof; 1638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // The following are not always needed, but may be depending 1658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // on use of certain flex features (like REJECT or yymore()). 1668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project yy_state_type yy_last_accepting_state; 1688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project char* yy_last_accepting_cpos; 1698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project yy_state_type* yy_state_buf; 1718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project yy_state_type* yy_state_ptr; 1728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1738e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project char* yy_full_match; 1748e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int* yy_full_state; 1758e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_full_lp; 1768e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_lp; 1788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_looking_for_trail_begin; 1798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1808e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_more_flag; 1818e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_more_len; 1828e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_more_offset; 1838e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int yy_prev_more_offset; 1848e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project}; 1858e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1868e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif 187