[antlr-interest] Best Practices for Migrating Antlr 2.7.7 to 3.4
Paul De La Musica
paul.delamusica at gmail.com
Wed Feb 22 10:36:06 PST 2012
Hi,
We are trying to migrate a script.g file fron V2.7.7 to V3.4.
A quick trial on the v2v3 conversion utility doesn't seem to work (see
error below).
Is the best way just to go through the 2.7.7 *.g file line by line?
Thanks,
Paul
>java -cp ./;../antlr-3.4-complete.jar v3me -combined script.g
Exception in thread "main" java.lang.NoSuchFieldError: type
at ANTLRLexer.mT45(ANTLRLexer.java:85)
at ANTLRLexer.mTokens(ANTLRLexer.java:2801)
at org.antlr.runtime.Lexer.nextToken(Lexer.java:89)
at
org.antlr.runtime.BufferedTokenStream.fetch(BufferedTokenStream.java:133)
at
org.antlr.runtime.BufferedTokenStream.sync(BufferedTokenStream.java:127)
at
org.antlr.runtime.CommonTokenStream.setup(CommonTokenStream.java:132)
at org.antlr.runtime.CommonTokenStream.LT(CommonTokenStream.java:91)
at org.antlr.runtime.BufferedTokenStream.LA
(BufferedTokenStream.java:162)
at ANTLRParser.antlrGrammar(ANTLRParser.java:124)
at v3me.main(v3me.java:25)
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