[antlr-interest] cgram build error in Antlr-20031211(2.7.3)

Ric Klaren klaren at cs.utwente.nl
Wed Dec 24 07:56:09 PST 2003


On Wed, Dec 24, 2003 at 02:49:28PM -0000, jenlhunt2003 wrote:
> 2.7.3 from R. Klaren builds nicely under VC6.0 (WIN2000) and I can
> successfully Antlr the examples (like calc and tinyc).  I have also 
> been able to build the CGRAM project using NMAKE on the include
> makefile located in the Grammars directory of cgram using both 
> 2.7.1 and 2.7.2.

Thanks for testing and the feedback! 

> When I try to NMAKE the CGRAM files at the command line using 2.7.3 I
> get the following error:
> ANTLR Parser Generator  Version 2.7.3 (20031209-72)  1989-2003
> jGuru.com
> Exception in thead "main" java.lang.UnsupportedClassVersionError:
> antlr/JavaBlockFinishingInfo (Unsupported major.minor version 
> 48.0)
>    at java.lang.ClassLoader.defineClass0(Native Method)
>    at java.lang.ClassLoader.defineClass(Unknown Source)
>    at java.security.SecureClassLoader.defineClass(Unknown Source),
> etc.
> Any ideas?  Thanks

Try rebuilding the java files manually or following the instructions for
the java build from the docs and rebuild the antlr.jar. Which java version
are you using ?


    ---- Ric Klaren ----- j.klaren at utwente.nl ----- +31 53 4893722  ----
  Quidquid latine dictum sit, altum viditur.
                 (Whatever is said in Latin sounds profound.)


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