org.millscript.millscript.syntax
Class ForSyntax

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

All Implemented Interfaces:

PrefixSyntaxInterface

public final class ForSyntax
extends PrefixSyntax

This class implements for loop syntax. General syntax is.

for <condition1>; <condition2>; ... <conditionN> do ... finally ... endfor <condition> ::= where <expr> ::= while <expr> else <expr> ::= until <expr> then <expr> <binding> ::= condition ::= <name> in <expr> ::= <name> & <name> in <expr> ::= <name> from <expr> [ to <expr> ] ::= <name> from <expr> [ downto <expr> ] <-- not implemented yet

See Also:

ForExpr, ForConditionExpr

Constructor Summary

ForSyntax()

Method Summary

ForExpr

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

ForSyntax

public ForSyntax()

Method Detail

prefix

public ForExpr 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)