Introduction to PEARL

I: Introduction.- 1. Important Language Features.- 1.1 Realtime Features.- 1.2 Input and Output.- 1.3 Program Structure.- 2. Rules For The Construction Of Pearl Phrases.- 2.1 Character Set.- 2.2 Basic Elements.- 2.2.1 Identifiers.- 2.2.2 Number Constant Denotations.- 2.2.3 String Constant Denotations.- 2.2.4 Time Constant Denotations.- 2.2.5 Comments.- 2.3 Construction of Pearl Phrases.- II: Basic Possibilities.- 1. Program Structure.- 2. Problem Data.- 2.1 Scalar Problem Data.- 2.1.1 Variables for Integers.- 2.1.2 Variables for Reals.- 2.1.3 Variables for Bit Strings.- 2.1.4 Variables for Character Strings.- 2.1.5 Variables for Clocks.- 2.1.6 Variables for Durations.- 2.2 Arrays of Problem Data.- 3. Procedures.- 3.1 Declaration of Procedures.- 3.2 Calling Procedures.- 4. Parallel Activities.- 4.1 Task Declarations.- 4.2 Interrupts.- 4.3 Task Control Statements.- 4.3.1 Schedules.- 4.3.2 Start.- 4.3.3 Termination.- 4.3.4 Suspend Statement.- 4.3.5 Continue Statement.- 4.3.6 Delay Statement.- 4.3.7 Prevent Statement.- 4.4 Synchronization of Tasks.- 4.4.1 Exclusive Synchronization by means of Sema Variables.- 4.4.2 Synchronization by means of Bolt Variables.- 5. Expressions, Assignments.- 5.1 Expressions.- 5.1.1 Monadic Operators.- 5.1.2 Dyadic Operators.- 5.1.3 Evaluation of Expressions.- 5.2 Assignments.- 6. Sequence Control Statements.- 6.1 Goto Statement.- 6.2 If Statement.- 6.3 Case Statement and Dummy Statement.- 6.4 Loop Statement.- 7. Input, Output.- 7.1 System Division.- 7.2 Definition of Data Stations in the Problem Division.- 7.3 Opening and Closing Data Stations.- 7.4 Read and Write Statement.- 7.5 Get and Put Statement.- 7.5.1 F-Format.- 7.5.2 E-Format.- 7.5.3 A-Format.- 7.5.4 B-Format.- 7.5.5 T-Format.- 7.5.6 D-Format.- 7.5.7 List-Format.- 7.5.8 Remote-Format.- 7.6 Take- and Send-Statement.- III: Additional Possibilities.- 1. Structures.- 2. Using Bit Strings And Character Strings.- 3. Definition Of New Data Types.- 4. Indirect Addressing With Reference Variables.- 5. Block Structure, Scope Of Objects.- 6. Communication Between Modules.- 7. Initial Attribute.- 8. Invariant Attribute.- 9. Resident Objects.- 10. Reentrant Procedures.- 11. Operators.- 11.1 Operators for Type Conversion.- 11.2 Further Standard Operators.- 11.3 Definition of New Operators.- 12. Interrupt Statements.- 13. Signals.- 14. Additional Possibilities In The System Division.- 15. Length Definition.- Literature.- 1. List Of Keywords With Short Forms.- 2. Use Of Data Types.- 3. Syntax List.- 3.1 Basic Elements, Program.- 3.2 Problem Division.- 3.2.1 Declarations.- 3.2.2 Specifications.- 3.2.3 Statements.- 3.3 System Division.- 4. Extensions With Respect To Basic Pearl.- 5. Restrictions With Respect To Full Pearl.