commit to github - lab1
symbol table data structure done
round 1 visitor done
round 1 visitor done & tested
test cases added
typecheck done, to be tested
typecheck done, to be tested +1
testcase 17,19,20 fixed
lab1 done & tested
piglet syntax tree code done
commit to shijie
precode done, except visitor code
to be tested
pgVisitor done 
piglet interpreter imported
Factorial.java tested & passed
Update .gitignore
passed 7 ucla testcases, 1 left
version 10-23
more than 20 para support
gitignore
Merge branch 'lab2' of github.com:leckie-chn/MiniJava into lab2