Package org.antlr.v4.runtime

Interface UnicodeCharStream

All Superinterfaces:

CharStream, IntStream

All Known Implementing Classes:

ANTLRFileStream, ANTLRInputStream, CodePointCharStream, CodePointCharStream.CodePoint16BitCharStream, CodePointCharStream.CodePoint32BitCharStream, CodePointCharStream.CodePoint8BitCharStream, UnbufferedCharStream

public interface UnicodeCharStream
extends CharStream

Field Summary

Fields inherited from interface org.antlr.v4.runtime.IntStream

EOF, UNKNOWN_SOURCE_NAME

Method Summary

Modifier and Type	Method	Description
boolean	supportsUnicodeCodePoints()	Determines if the current stream supports Unicode code points.

Methods inherited from interface org.antlr.v4.runtime.CharStream

getText

Methods inherited from interface org.antlr.v4.runtime.IntStream

consume, getSourceName, index, LA, mark, release, seek, size

Method Details

supportsUnicodeCodePoints

boolean supportsUnicodeCodePoints()

Determines if the current stream supports Unicode code points.

Returns:

true if the current input stream supports Unicode code points; otherwise, false if the current input stream returns UTF-16 code units for code points above U+FFFF.