antlr - using ANT uptodate where multiple source files create multiple output files -


i'm trying ant build 1 step involves running antlr whenever 1 or more *.g4 or *.stg files change. if of these changes, need run antlr task if of *.java or *.tokens files in output directory older of *.g4 or *.stg files.

i'm looking @ ant task, not seeing how set mapper express dependency.

any suggestions?

you can see way intellij plug-in here: https://github.com/antlr/intellij-plugin-v4/blob/master/build.xml


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