Package java_cup.runtime
Interface Scanner
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- All Known Implementing Classes:
ScannerBuffer
public interface Scanner
Defines the Scanner interface, which CUP uses in the default implementation oflr_parser.scan()
. Integration of scanners implementingScanner
is facilitated.- Version:
- last updated 23-Jul-1999
- Author:
- David MacMahon
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description Symbol
next_token()
Return the next token, ornull
on end-of-file.
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Method Detail
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next_token
Symbol next_token() throws java.lang.Exception
Return the next token, ornull
on end-of-file.- Throws:
java.lang.Exception
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