build: compile testcompile:	javac lexer/*.java	javac symbols/*.java	javac inter/*.java	javac parser/*.java	javac main/*.javatest:	@for i in `(cd tests; ls *.t | sed -e 's/.t$$//')`;\		do echo $$i.t;\		java main.Main <tests/$$i.t >tmp/$$i.i;\		diff tests/$$i.i tmp/$$i.i;\	doneclean:	(cd lexer; rm *.class)	(cd symbols; rm *.class)	(cd inter; rm *.class)	(cd parser; rm *.class)	(cd main; rm *.class)yacc:	/usr/ccs/bin/yacc -v doc/front.y	rm y.tab.c	mv y.output doc