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CharBuffer Class Reference

#include <CharBuffer.hpp>

Inheritance diagram for CharBuffer:

List of all members.

Public Methods
	CharBuffer (ANTLR_USE_NAMESPACE(std) istream &input_)
	Create a character buffer.
int	getChar ()
	Get the next character from the stream.

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Detailed Description

A Stream of characters fed to the lexer from a InputStream that can be rewound via mark()/rewind() methods.

A dynamic array is used to buffer up all the input characters. Normally, "k" characters are stored in the buffer. More characters may be stored during guess mode (testing syntactic predicate), or when LT(i>k) is referenced. Consumption of characters is deferred. In other words, reading the next character is not done by consume(), but deferred until needed by LA or LT.

See also:

antlr.CharQueue

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Constructor & Destructor Documentation

CharBuffer::CharBuffer (  ANTLR_USE_NAMESPACE(std) istream &    input_ )

Create a character buffer. Create a character buffer. Enable fail and bad exceptions, if supported by platform.

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Member Function Documentation

int CharBuffer::getChar (  void    )  [virtual]

Get the next character from the stream. Get the next character from the stream. May throw CharStreamIOException when something bad happens (not EOF) (if supported by platform). Implements InputBuffer.

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The documentation for this class was generated from the following files:

• CharBuffer.hpp
• CharBuffer.cpp

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