coins.sym
Interface SymIterator

All Known Implementing Classes:

SymIteratorImpl

public interface SymIterator

SymIterator interface

Method Summary

boolean	hasNext() hasNext True if there are symbols remaining in the specified symbol table, false otherwise.
Sym	next() next Get next symbol in the specified symbol table.
Var	nextVar() nextVar Get next symbol in the specified symbol table skipping symbols that are not a Var symbol.

Method Detail

next

public Sym next()

next Get next symbol in the specified symbol table.

nextVar

public Var nextVar()

nextVar Get next symbol in the specified symbol table skipping symbols that are not a Var symbol. If the last symbol is not a variable, then null will be returned as the last symbol.

hasNext

public boolean hasNext()

hasNext True if there are symbols remaining in the specified symbol table, false otherwise.