File Structure:

	/Lab
	    /Code
		Makefile
		lexical.l
		syntax.y
		main.c
		  .
		  .
	    /Test
		test1.cmm
		test2.cmm
		  .
		  .
	    /report.pdf
	    /parser
	    /README

Prerequsite

1. flex
2. bison
3. gcc

Code/

1. Contains all of files on flex/bison，.c/.h files and Makefile；
2. Navigate to Code/ directory and then type 'make'.

Test/

1. Type 'make test' and our compiler will compile the test1.cmm
2. Your newly added test file should be named in "*.cmm" format.