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File No.S360-29
Form Y28-6800-3
Program Logic
IBM System/360 Operating System
PL/I (F) Compiler
Program Logic Manual
Program Number 360S-NL-Sll
This manual describes the internal
design of the IBM system/360 operating
System PL/I (F) Compiler. It is aimed at
personnel responsible for analyzing program
operations, diagnosihg malfunctions, and
changing the program format for special or
national language usage. The information
provides a guide for effective use of the
program listings. Program logic informa-
tion is not necessary for the use and
operation of the program; therefore, dis-
tribution of this publication is limited to
those persons with the aforementioned
require!ments.
Restricted :Oistribution
This publication is organized in three
sections. section 1 is an introduction
describing the relationship between th
compiler and the Operating system, and the Forw
overall organization of the compiler. Sec-
tion 2 is a description of the compiler
phases, including a general description of
each logical phase followed by descriptions I Although not prerequisite, the following
of each of the physical phases contained in Ipublications are related to this manual and
the logical phase. Section 3 consists of \should be consulted.
flowcharts and routine directories. The
flowcharts show the relationship between
the routines of each fhase, while the
directories list the routines and their Introduction to Control Program Logi