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antantlrantlr4

using ANT uptodate where multiple source files create multiple output files

I'm trying to do an Ant build where one step involves running ANTLR whenever one or more *.g4 or *.stg files change. If any of these changes, then I need to run the ANTLR task if any of the *.java or *.tokens files in my output directory are older than any of the *.g4 or *.stg files.

I'm looking at the ant task, but not seeing how to set up a mapper to express this dependency.

Any suggestions?

Solution

  • You can see the way I do it for the intellij plug-in here: https://github.com/antlr/intellij-plugin-v4/blob/master/build.gradle

    intellij uses gradle now for plugin dev.