Am Sun, 6 Sep 2009 09:40:44 +0200 schrieb Andreas Volz: Hello,
I found the problems. The segfault was forced by free the variable that I have not created for my example. Then after calling the correct parser entry point it works great. regards Andreas > Hello, > > I tried some Java examples for ANTLR and it worked nice. But I need a > parser for C (for later C++ usage). As easy it was to get a working > Java example as hard is it to get a C example working. > > I've read this doc: > > http://www.antlr.org/api/C/index.html > > -> Generating Code for the C Target > > I'm a little confused about this table: > > Suffix Grammar should contain... > .g3l A lexer grammar specification only. > .g3p A parser grammar specification only. > .g3pl A combined lexer and parser specification. > .g3t A tree grammar specification. > > All examples I've seen contains only grammar.g files. Is this simply a > new handling to split my grammar file? > > How ever. I go with my grammar.g file that I've used for the Java > example. > > VCard.g: > http://codepad.org/hiVS9kte > > First question is if it's also possible to insert the main code for C > in the grammar file like with Java? > > Then I installed ANTLR-3.0.1 (Ubuntu) from repository and the C > runtime from ANTLR-3.0.1 from source. This should fit together. > > Now I took an C example and modified it to compile for my grammar. At > first I compiled the grammar and got these files: > > VCardLexer.c > VCardLexer.h > VCardParser.c > VCardParser.h > > I modified them from an example: > > VCard.c: > http://codepad.org/uoMWeBW7 > > VCard.h: > http://codepad.org/ADTKm47X > > Makefile.C: > http://codepad.org/YWC4E4ti > > This compiles, but I get a "Segmentation fault" as result. I've not > yet debugged into it, because I like to ensure that I did all steps > correct. > > You could see that I commented out all the "langAST" and "treePsr" > variables, because they didn't compile. Who creates the > "pLangDumpDecl" and "LangParser_decl_return" type? I don't see it > generated by the code generator. Do I need those for my example? > > And the last question is why is it so hard to get the C target working > comparing to the Java target? :-) > > regards > Andreas > > List: http://www.antlr.org/mailman/listinfo/antlr-interest > Unsubscribe: > http://www.antlr.org/mailman/options/antlr-interest/your-email-address > List: http://www.antlr.org/mailman/listinfo/antlr-interest Unsubscribe: http://www.antlr.org/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 -~----------~----~----~----~------~----~------~--~---
