4 The sources of IL are in the following files
5 and packages (the prefixes 1_, 2_ and 3_ refer to the three subphases):
7 declarations of global variables and
10 the routine main; the driving routines of the three subphases
12 contains a subroutine that analyzes a procedure
14 contains a subroutine that analyzes a call
16 implements auxiliary procedures used by subphase 1
18 implements auxiliary procedures used by subphase 2
20 the driving routine for doing the substitution
22 lower level routines that do certain modifications
24 implements auxiliary procedures used by subphase 3
26 implements auxiliary procedures used by several subphases.