Approved.  Too bad java doesn't have a better way to do this.

On 2011-03-27, at 11:43, André Bargull wrote:

> Change bargull-20110327-FTb by bargull@Bargull02 on 2011-03-27 17:27:27
> in /home/anba/src/svn/openlaszlo/trunk
> for http://svn.openlaszlo.org/openlaszlo/trunk
> 
> Summary: Replace reflection with parser visitor implementation
> 
> Bugs Fixed: LPP-9833 (speed up compilation time for dhtml)
> 
> Technical Reviewer: ptw
> QA Reviewer: (pending)
> 
> Details:
> Although Java's internal reflection capabilities have been improved over 
> time, it's still faster to create instances by explicit constructor calls 
> (ca. by factor 4). The only benefit of the reflection approach is a slightly 
> better maintainability, for example consider the parser was changed and a new 
> AST type is introduced. In order to minimize the downside of the explicit 
> constructor call approach, I'm using a ParserVisitor interface 
> implementation, that way missing methods for new AST types will cause early 
> compilation errors, so invalid code won't be shipped with releases.
> 
> 
> Tests:
> 
> Files:
> A WEB-INF/lps/server/src/org/openlaszlo/sc/NewInstanceVisitor.java
> M WEB-INF/lps/server/src/org/openlaszlo/sc/Compiler.java
> 
> Changeset: 
> http://svn.openlaszlo.org/openlaszlo/patches/bargull-20110327-FTb.tar
> 


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