org.millscript.millscript.syntax
Class VarSyntax

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

All Implemented Interfaces:

PrefixSyntaxInterface

public final class VarSyntax
extends PrefixSyntax

This class implements var syntax. This is used for declaring new variables. An instance of this class can be used to parse either variables or constants, by passing a flag on construction.

var <expr> = <expr>

The left hand side expression must be a name, while the right hand side expression can be any expression that returns a single result.

See Also:

VarExpr

Method Summary

VarExpr

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

Method Detail

prefix

public VarExpr 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)