Added option to generate header file for yy.lex.c, fixed errors in runner.c, and updated Makefile

Makefile

@@ -2,15 +2,32 @@ CC := gcc
 FLEX := flex
 LEX := lexicalStructure.lex
 EXE := lexicalStructure
+CFLAGS := -std=c99 -Wall
+CPPFLAGS :=
 
-lexicalStructure:
-	$(FLEX) $(LEX)
-	$(CC) lex.yy.c -o $(EXE)
+runner: flex.o runner.o
+	$(CC) -o runner runner.o flex.o
 
-test_operators:
+runner.o: runner.c runner.h flex.h
+	$(CC) $(CFLAGS) -o runner.o -c runner.c
+
+flex.o: lex.yy.c typedefs.h
+	$(CC) $(CFLAGS) -o flex.o -c lex.yy.c
+
+lex.yy.c: lexicalStructure.lex
+	$(FLEX) -o lex.yy.c $(LEX)
+
+test:
+	./$(EXE) ./tests/test_comments.alpha
+	./$(EXE) ./tests/test_generalTokenTest.alpha
+	./$(EXE) ./tests/test_keywords.alpha
 	./$(EXE) ./tests/test_operators.alpha
+	./$(EXE) ./tests/test_otherpunc.alpha
+	./$(EXE) ./tests/test_simpleIntTest.alpha
+	./$(EXE) ./tests/test_simpleLiterals.alpha
 
 clean:
 	rm -f *.o
 	rm -f lex.yy.c
 	rm -f $(EXE)
+	rm -f flex.h