[antlr-interest] Running ANTLR generated code from Eclipse?

[Rich Parker]

Has anyone tried to run the ANTLR generated code (__Test__, ExprLexer, ExprParser) for a grammar from 
the Eclipse IDE?

In Eclipse I try to create a Java project from the ANTLR output folder but 
when I run it I get:

Exception in thread "main" java.lang.Error: 
Unresolved compilation problems: 
ANTLRFileStream cannot be resolved to a 
type
CommonTokenStream cannot be resolved to a type
CommonTokenStream 
cannot be resolved to a type
The method prog() from the type RichExprParser 
refers to the missing type RecognitionException
RecognitionException cannot 
be resolved to a type

at __Test__.main(__Test__.java:11)

Did I 
install the ANTLR plugin completely, or do I need to specify additional ANTLR 
libraries somehow?
In my installed software tab for Eclipse I 
see:

org.antlr.ui 4.1.1 org.antlr.ui.feature.group
 		 	   		  
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