I tried to remove the following error alternative of `rparen`, parsing all groovy source files under nextflow module[1] with 4.0.0-SNAPSHOT takes only "14s". https://github.com/apache/groovy/blob/GROOVY_3_0_0_RC_3/src/antlr/GroovyParser.g4#L1232-L1234
*4.0.0-SNAPSHOT antlr4 parser: 14s* result-4.log <http://groovy.329449.n5.nabble.com/file/t340716/result-4.log> profile-4.zip <http://groovy.329449.n5.nabble.com/file/t340716/profile-4.zip> *4.0.0-SNAPSHOT antlr2 parser: 6s* result-2.log <http://groovy.329449.n5.nabble.com/file/t340716/result-2.log> profile-2.svg <http://groovy.329449.n5.nabble.com/file/t340716/profile-2.svg> Cheers, Daniel.Sun [1] https://github.com/nextflow-io/nextflow/tree/master/modules/nextflow ----- Apache Groovy committer & PMC member Blog: http://blog.sunlan.me Twitter: @daniel_sun -- Sent from: http://groovy.329449.n5.nabble.com/Groovy-Dev-f372993.html