In your Tiger directory, copy over new files
cp -r $TIGER/Tiger/chap4/Absyn .
cp -r $TIGER/Tiger/chap4/Symbol .
cp -r $TIGER/Tiger/chap4/Parse/* Parse
Use CUP to build the parser
cd Parse
java java_cup.Main –expect 3 < Grm.cup
cd ..
then compile all .java files in Symbol, Absyn and Parse
Using your favourite Tiger program (no
functions), to see the ASTs produced
java Parse.Main <program>