ANSI INCITS 53 : 1976

CHAPTER 1: SCOPE AND OVERVIEW
   1.0 Scope
   1.1 An Informal Guide to the PL/I Definition
   1.2 Relationships between an implementation and This
       Definition
   1.3 The Metalanguage
   1.4 Initialization of the Machine-state
CHAPTER 2: CONCRETE SYNTAX
   2.0 Introduction
   2.1 The Intent of this Definition
   2.2 Organization of the Concrete Syntax
   2.3 The High-level Syntax of PL/I
   2.4 The Middle-level Syntax of PL/I
   2.5 The Low-level Syntax of PL/I
   2.6 Character Sets
   2.7 Abbreviations
CHAPTER 3: ABSTRACT SYNTAX
   3.0 Introduction
   3.1 Abstract Syntax Rules
CHAPTER 4: THE TRANSLATOR
   4.0 Introduction
   4.1 Translate
   4.2 Forming the Concrete Procedure
   4.3 Completion of the Concrete Procedure
   4.4 Create-abstract-equivalent-tree
   4.5 Validation of the Abstract Procedure
   4.6 Validate-program
CHAPTER 5: THE PL/I INTERPRETER
   5.0 Introduction
   5.1 The Interpretation-state
   5.2 Terminology and Definitions
   5.3 The Interpret Operation and the Initialization of the
       Interpretation State
CHAPTER 6: FLOW OF CONTROL
   6.0 Introduction
   6.1 Program Activation and Termination
   6.2 Block Activation and Termination
   6.3 Control within a Block
   6.4 Conditions and Interrupts
CHAPTER 7: STORAGE AND ASSIGNMENT
   7.0 Introduction
   7.1 The Generation
   7.2 The Allocation of Storage
   7.3 Initialization
   7.4 The Freeing of Storage
   7.5 Assignment
   7.6 Variable-reference
   7.7 Reference to Named Constant
CHAPTER 8: INPUT/OUTPUT
   8.0 Introduction
   8.1 Datasets
   8.2 Files
   8.3 I/O Conditions
   8.4 Evaluate-file-option
   8.5 File Opening and Closing
   8.6 The Record I/O Statements
   8.7 The Stream I/O Statements
CHAPTER 9: EXPRESSIONS AND CONVERSION
   9.0 Introduction
   9.1 Aggregate Expressions
   9.2 Prefix Operators
   9.3 Infix Operators
   9.4 Built-in-functions
   9.5 Conversion
INDEX