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antlr
TokenStreamHiddenTokenFilter.hpp
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#ifndef INC_TokenStreamHiddenTokenFilter_hpp__
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#define INC_TokenStreamHiddenTokenFilter_hpp__
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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: //depot/code/org.antlr/release/antlr-2.7.7/lib/cpp/antlr/TokenStreamHiddenTokenFilter.hpp#2 $
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*/
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#include <
antlr/config.hpp
>
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#include <
antlr/TokenStreamBasicFilter.hpp
>
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#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
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namespace
antlr {
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#endif
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class
ANTLR_API
TokenStreamHiddenTokenFilter
:
public
TokenStreamBasicFilter
{
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// protected BitSet discardMask;
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protected
:
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BitSet
hideMask
;
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private
:
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RefToken
nextMonitoredToken
;
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protected
:
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RefToken
lastHiddenToken
;
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RefToken
firstHidden
;
// = null;
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public
:
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TokenStreamHiddenTokenFilter
(
TokenStream
& input);
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protected
:
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void
consume();
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private
:
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void
consumeFirst();
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public
:
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BitSet
getDiscardMask()
const
;
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RefToken
getHiddenAfter(
RefToken
t);
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RefToken
getHiddenBefore(
RefToken
t);
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BitSet
getHideMask()
const
;
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RefToken
getInitialHiddenToken();
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void
hide(
int
m);
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void
hide(
const
BitSet
& mask);
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protected
:
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RefToken
LA(
int
i);
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public
:
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RefToken
nextToken();
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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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#endif //INC_TokenStreamHiddenTokenFilter_hpp__
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