helpful_commands.txt

export CLASSPATH=".:/usr/local/lib/antlr-4.9.2-complete.jar:$CLASSPATH"

alias antlr4='java -Xmx500M -cp "/usr/local/lib/antlr-4.9.2-complete.jar:$CLASSPATH" org.antlr.v4.Tool'

alias grun='java -Xmx500M -cp "/usr/local/lib/antlr-4.9.2-complete.jar:$CLASSPATH" org.antlr4.v4.gui.TestRig'

antlr4 -Dlanguage=Python3 popl.g4

alias antlr4='java -Xmx500M -cp "/usr/local/lib/antlr-4.9.2-complete.jar:/usr/local/lib/antlr-denter-1.2.jar:$CLASSPATH"

alias grun='java -Xmx500M -cp "/usr/local/lib/antlr-4.9.2-complete.jar:/usr/local/lib/antlr-denter-1.2.jar:$CLASSPATH" org.antlr.v4.gui.TestRig'