[antlr-interest] Syntax for C# Namespaces

[Jones, Larry]

I recently downloaded 3.1b2 and am implementing the tour/trees examples
for _The Definitive ANTLR Reference_.
 
I successfully built the examples using Java; however, I eventually want
to target C#.
 
My driver program uses a namespace. The wiki article on the CSharp
target describes the syntax to add a namespace; however, when I add
"@parser::namespace { Expr }" to my grammar file, ANTLR generates the
following error:

	ANTLR Parser Generator  Version 3.1b2 (July 17, 2008)  1989-2008
	error(100): Expr.g:17:1: syntax error: antlr: Expr.g:17:1:
unexpected token: @
	error(100): Expr.g:17:20: syntax error: antlr: Expr.g:17:20:
unexpected token:  Expr 
	error(100): Expr.g:18:19: syntax error: antlr: Expr.g:18:19:
unexpected token:  Expr 
	 

The preceeding grammar lines are:
 

	grammar Expr;
	 
	options {
	 language=CSharp2;
	 
	 output=AST;
	 
	 // ANTLR can literally handle any tree node type.
	 // For convenience, specify the Java type.
	 ASTLabelType=CommonTree;   // type of $stat.tree ref etc.
	 
	}
	 
	/**
	 * Put both the parser and lexer in the same namespace as the
driver.
	 */
	@parser::namespace { Expr }
	@lexer::namespace { Expr }

What is the syntax for adding a C# namespace?
 
Thanks.
 
 
--

Lawrence Allan Jones
Senior Developer / Technical Advisor
Aspen Technology, Inc.
2500 CityWest Blvd. Suite 1500
Houston, Texas 77042
USA
281-504-3324 (work)
281-504-3395 (fax)
larry.jones at aspentech.com
www.aspentech.com <http://www.aspentech.com/> 

 
 	
 

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