A simple extension point to allow us to switch between the classic Groovy parser and the new Antlr based parser
| Type Params | Return Type | Name and description | 
|---|---|---|
|  | ModuleNode | buildAST(org.codehaus.groovy.control.SourceUnit sourceUnit, ClassLoader classLoader, Reduction cst) | 
|  | Reduction | parseCST(org.codehaus.groovy.control.SourceUnit sourceUnit, Reader reader) |