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53 lines
1.3 KiB
53 lines
1.3 KiB
/* 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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* $Id$
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*/
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#include "antlr/CharBuffer.h"
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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
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