* Copy sjava.lex, sjava.grm, semantic.c, and AATBuildTree.c from 
  the previous project into this directory

* Modify codegen.c to generate MIPS code from the AAT

* Compile and test with

  %  make
  %  ./sjc <filename>       generates <filename>.s

Included files:

sjc.c              Compiler main program (includes main())

codegen.c          Skeleton code generator
codegen.h

semantic.h         Header files
AATBuildTree.h       

AAT.c	           AAT defintion files
AAT.h
AATPrintTree.c     AAT printing files
AATPrintTree.h
AST.c              AST definition files
AST.h
ASTPrintTree.c     AST printing files
ASTPrintTree.h

MachineDependent.h Machine dependant constants

errors.c           Error handling code
errors.h


environment.c      Defining Environments   
environment.h
environment1.h			   
environment2.h
hash.c             Hash table code
hash.h                (Used in environments)  

type.c             Code to define simpleJava types
type.h

label.c            Code to define assembly language labels
label.h				   

register.c         Register defintion file
register.h			   

makefile           Makefile

test0.sjava        Sample simpleJava files
test1.sjava
test2.sjava			   
test3.sjava
test4.sjava			   
test5.sjava
gcd.sjava