| 1 | /* 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 | * $Id$ | 
| 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 |