Package org.antlr.runtime
Class CharStreamState
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- org.antlr.runtime.CharStreamState
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public class CharStreamState extends java.lang.Object
When walking ahead with cyclic DFA or for syntactic predicates, we need to record the state of the input stream (char index, line, etc...) so that we can rewind the state after scanning ahead. This is the complete state of a stream.
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Field Summary
Fields Modifier and Type Field Description (package private) int
charPositionInLine
What char position 0..n-1 in line is scanner before processing buffer[p]?(package private) int
line
What line number is the scanner at before processing buffer[p]?(package private) int
p
Index into the char stream of next lookahead char
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Constructor Summary
Constructors Constructor Description CharStreamState()
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