Javier Luis Cánovas Izquierdo schrieb: > Hi Johannes, thanks for your fast response. > > Maybe I have not explined the problem correctly, sorry. I have just > proved that changes. > > I have specified the parameter for the JVM for increasing the memory > limit of the JVM. Actually, it is "-Xms1024m -Xmx1024m" (will it need > more? really?) and the options section does not contain the line which > specifies the output language (it only contains the output and k > options). > > I did not check that the grammar does not contain C# code. However, I > suppose that the parser process generation should not depends on the > actions included by the user. The problem should appear once the > parser is generated, is it true?. Anyway I have just checked the > grammar and I have cleaned it to remove the C# actions. The problem > keeps on. > > I have tested the grammar with antlr 3.0.1 and 3.1.1 and both fail. I > think that there should be some wrong (or maybe there is a problem > with the antlr parser tool). I attach the grammar that I am using and > the trace of the last execution. > > Thanks!
Sorry for the delay. I've tested it myself and I can compile just fine (although with some warnings). Could it be that you are doing the options order wrong? I use java -Xmx1024m -cp <paths to jars - use your own here> org.antlr.Tool PLSQL3.g Johannes > > 2008/10/31 Johannes Luber <[EMAIL PROTECTED]>: >> Javier Luis Cánovas Izquierdo schrieb: >>> Hi, >>> >>> I am working with ANTLRv3 and the Oracle PL/SQL grammar definition >>> which is located in the antlr grammar list webpage and whose author is >>> Andrey Kharitonkin. I need to enrich the grammar in order to create a >>> data structure of the parsed plsql text. However, I have a problem on >>> the first phase: I cannot generate the Java parser with ANTLR tool >>> from the grammar of the webpage. >>> >>> The grammar has activated the backtrack and memoize options and the k >>> value is *. When I try to generate the parser, I get a >>> "java.lang.OutOfMemoryError: Java heap space" (firstTrace.txt file >>> contains the stack trace of this situation). I have tried to >>> deactivate the backtrack and memoize options and to set the k value to >>> 1 (although it will cause warnings during the generation) and the >>> problem keeps on (secondTrace.txt file contains the stack trace of >>> this situation). >>> >>> I have changed the parameters of the JVM to increase the memory limit >>> of the virtual machine to 1gb and again, the problem goes on . >>> However, the memory charge of the java instance does not exceed 100mb. >>> I cannot understand it. >>> >>> I have to be doing some wrong because the grammar that I am using is >>> the same of the grammar list, I have not change anything. I have seen >>> that the grammar has the "language=CSharp" option. Could that be the >>> problem? Could you help me? >>> >>> Thanks >> You have two problems: The first is that you need to tell the Java VM to >> use more memory like "java -Xmx1024m ...". Adjust the number to your >> needs. The second problem is that the grammar has been developed with C# >> as the output language. Changing "CSharp" to "Java" (or removing that >> line) won't help entirely, as all actions are written in C#. You have to >> go trough them one by one and fix any incompatibilities. >> >> Johannes >>> >>> >>> ------------------------------------------------------------------------ >>> >>> >>> List: http://www.antlr.org:8080/mailman/listinfo/antlr-interest >>> Unsubscribe: >>> http://www.antlr.org:8080/mailman/options/antlr-interest/your-email-address >>> >> > > > > -- > Javier Luis Cánovas Izquierdo > http://zirrus.es > [EMAIL PROTECTED] > List: http://www.antlr.org:8080/mailman/listinfo/antlr-interest Unsubscribe: http://www.antlr.org:8080/mailman/options/antlr-interest/your-email-address --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "il-antlr-interest" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/il-antlr-interest?hl=en -~----------~----~----~----~------~----~------~--~---
