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tim |
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/* ANTLR Translator Generator |
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* Project led by Terence Parr at http://www.jGuru.com |
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* Software rights: http://www.antlr.org/license.html |
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* |
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* $Id: CharBuffer.cpp,v 1.1 2005-12-02 15:38:02 tim Exp $ |
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*/ |
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#include "antlr/CharBuffer.hpp" |
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#include <iostream> |
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//#include <ios> |
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#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE |
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namespace antlr { |
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#endif |
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/* RK: Per default istream does not throw exceptions. This can be |
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* enabled with: |
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* stream.exceptions(ios_base::badbit|ios_base::failbit|ios_base::eofbit); |
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* |
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* We could try catching the bad/fail stuff. But handling eof via this is |
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* not a good idea. EOF is best handled as a 'normal' character. |
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* |
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* So this does not work yet with gcc... Comment it until I get to a platform |
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* that does.. |
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*/ |
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/** Create a character buffer. Enable fail and bad exceptions, if supported |
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* by platform. */ |
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CharBuffer::CharBuffer(ANTLR_USE_NAMESPACE(std)istream& input_) |
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: input(input_) |
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{ |
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// input.exceptions(ANTLR_USE_NAMESPACE(std)ios_base::badbit| |
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// ANTLR_USE_NAMESPACE(std)ios_base::failbit); |
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} |
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/** Get the next character from the stream. May throw CharStreamIOException |
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* when something bad happens (not EOF) (if supported by platform). |
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*/ |
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int CharBuffer::getChar() |
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{ |
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// try { |
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return input.get(); |
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// } |
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// catch (ANTLR_USE_NAMESPACE(std)ios_base::failure& e) { |
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// throw CharStreamIOException(e); |
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// } |
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} |
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#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE |
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} |
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#endif |
