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A parser that capable of skipping as well read and write. This class is
used by decoders who (unlink encoders) are required to implement
methods to skip.
The clients implement this interface to skip symbols and actions.
Skips the action at the top of the stack.
Skips the symbol at the top of the stack.
Skips data by calling
, until the
parser stack reaches the target level.
Skips the repeater at the top the stack.
Pushes the given symbol on to the skip and skips it.
symToSkip The symbol that should be skipped.