org.millscript.millscript.syntax
Class NoneSyntax

java.lang.Object
  org.millscript.millscript.syntax.Syntax
      org.millscript.millscript.syntax.PrefixSyntax
          org.millscript.millscript.syntax.NoneSyntax

All Implemented Interfaces:

PrefixSyntaxInterface

public final class NoneSyntax
extends PrefixSyntax

This class implements none syntax.

none <expr>

The right hand side expression can be anything, regardless of how many results it might return. Any results returned by the right hand side expression will be caught and discarded, so the whole expression will never generate any results.

See Also:

NoneExpr

Constructor Summary

NoneSyntax()

Method Summary

Expr	prefix(java.lang.String sym, Parser parser) Parse the syntax for the specified symbol, using the specified Parser.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NoneSyntax

public NoneSyntax()

Method Detail

prefix

public Expr prefix(java.lang.String sym,
                   Parser parser)

Description copied from interface: PrefixSyntaxInterface

Parse the syntax for the specified symbol, using the specified Parser. The symbol is specified because different symbols may share the same syntax, but result in slightly different expressions. The Parser is supplied as the source to parse from.

Specified by:

prefix in interface PrefixSyntaxInterface

Specified by:

prefix in class PrefixSyntax

Parameters:

sym - the symbol to parse this syntax for

parser - Parser to parse from, i.e. the source to parse from

Returns:

an expression for this syntax

See Also:

PrefixSyntaxInterface.prefix(java.lang.String, org.millscript.millscript.syntax.Parser)