| 1 | tim | 770 | /* ANTLR Translator Generator | 
| 2 |  |  | * Project led by Terence Parr at http://www.jGuru.com | 
| 3 |  |  | * Software rights: http://www.antlr.org/license.html | 
| 4 |  |  | * | 
| 5 |  |  | * $Id: CharBuffer.cpp,v 1.1 2005-12-02 15:38:02 tim Exp $ | 
| 6 |  |  | */ | 
| 7 |  |  |  | 
| 8 |  |  | #include "antlr/CharBuffer.hpp" | 
| 9 |  |  | #include <iostream> | 
| 10 |  |  |  | 
| 11 |  |  | //#include <ios> | 
| 12 |  |  |  | 
| 13 |  |  | #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE | 
| 14 |  |  | namespace antlr { | 
| 15 |  |  | #endif | 
| 16 |  |  |  | 
| 17 |  |  | /* RK: Per default istream does not throw exceptions. This can be | 
| 18 |  |  | * enabled with: | 
| 19 |  |  | * stream.exceptions(ios_base::badbit|ios_base::failbit|ios_base::eofbit); | 
| 20 |  |  | * | 
| 21 |  |  | * We could try catching the bad/fail stuff. But handling eof via this is | 
| 22 |  |  | * not a good idea. EOF is best handled as a 'normal' character. | 
| 23 |  |  | * | 
| 24 |  |  | * So this does not work yet with gcc... Comment it until I get to a platform | 
| 25 |  |  | * that does.. | 
| 26 |  |  | */ | 
| 27 |  |  |  | 
| 28 |  |  | /** Create a character buffer. Enable fail and bad exceptions, if supported | 
| 29 |  |  | * by platform. */ | 
| 30 |  |  | CharBuffer::CharBuffer(ANTLR_USE_NAMESPACE(std)istream& input_) | 
| 31 |  |  | : input(input_) | 
| 32 |  |  | { | 
| 33 |  |  | //      input.exceptions(ANTLR_USE_NAMESPACE(std)ios_base::badbit| | 
| 34 |  |  | //                                                ANTLR_USE_NAMESPACE(std)ios_base::failbit); | 
| 35 |  |  | } | 
| 36 |  |  |  | 
| 37 |  |  | /** Get the next character from the stream. May throw CharStreamIOException | 
| 38 |  |  | * when something bad happens (not EOF) (if supported by platform). | 
| 39 |  |  | */ | 
| 40 |  |  | int CharBuffer::getChar() | 
| 41 |  |  | { | 
| 42 |  |  | //      try { | 
| 43 |  |  | return input.get(); | 
| 44 |  |  | //      } | 
| 45 |  |  | //      catch (ANTLR_USE_NAMESPACE(std)ios_base::failure& e) { | 
| 46 |  |  | //              throw CharStreamIOException(e); | 
| 47 |  |  | //      } | 
| 48 |  |  | } | 
| 49 |  |  |  | 
| 50 |  |  | #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE | 
| 51 |  |  | } | 
| 52 |  |  | #endif |