org.millscript.millscript.syntax
Class PrefixSyntax

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

All Implemented Interfaces:

PrefixSyntaxInterface

Direct Known Subclasses:

ConditionalSyntax, DefineSyntax, ForSyntax, InitSyntax, ListSyntax, NoneSyntax, NotSyntax, PkgReaderSyntax, PragmaSyntax, ProcedureSyntax, ReservedSyntax, SpiceClassSyntax, SwitchSyntax, ThisSyntax, VarSyntax, WhileSyntax, XMLCommentSyntax

public abstract class PrefixSyntax
extends Syntax
implements PrefixSyntaxInterface

This class represents prefix syntax, that which preceeds the expression it operates on. This is a convenience class to reduce the work required to implement a piece of prefix syntax. Simple examples are not, or the static list operator {, which a more complicated example is define.

Constructor Summary

PrefixSyntax()

Method Summary

abstract 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

PrefixSyntax

public PrefixSyntax()

Method Detail

prefix

public abstract 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

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)