HP 3000 Manuals HP 3000 Manuals
Table of Contents
HP Pascal/iX Programmer's Guide
HP Pascal/iX Programmer's Guide : COPYRIGHT NOTICE
Ch 1. Introduction
Ch 2. Program Structure
Syntactic Structure
Program Heading
Program Block
Compilation Unit Structure
Modules
Global, Subprogram, and External Compilation Units
Separate Compilation
Using Modules
When to Use Modules
Advantages of Using Modules
Using SUBPROGRAM
When to Use SUBPROGRAM
SUBPROGRAM Advantages
SUBPROGRAM Limitations
Using GLOBAL/EXTERNAL
When to Use GLOBAL/EXTERNAL
GLOBAL/EXTERNAL Advantages
GLOBAL/EXTERNAL Limitations
Using SUBPROGRAM with GLOBAL
When to Use SUBPROGRAM with GLOBAL
SUBPROGRAM with GLOBAL Advantages
External Interfaces
Ch 3. Input/Output
General File Information
Physical Files
Logical Files
Textfiles
Current Position Indexes
File Buffer Variables and Selectors
Opening Files
Associate Procedure
Disassociate Procedure
Sequential Input/Output
Textfile Input/Output
Direct Input/Output
Closing Files
Ch 4. Predefined Pascal Constants, Data Types, and Modules
Values of Predefined Constants
Ranges of Predefined Data Types
Bit16
Bit32
Bit52
Shortint
Longint
Predefined Modules
stdinput
stdoutput
stderr
arg
pas_hp1000
Ch 5. Allocation and Alignment
Allocation, Alignment, and Packing Algorithm
Unpacked Variables
Packed Variables
Arrays
Records
Packed Arrays
Packed Records
Crunched Arrays and Records
Crunched Sets
Enumerations and Subranges
Unpacked Enumeration or Unsigned Subranges
Packed Array Elements of Enumeration or Subrange Types
Packed Record Elements of Enumeration or Subrange Types
Files
Sets
Strings
Ch 6. Dynamic Variables
GLOBALANYPTR Variables
LOCALANYPTR Variables
New Procedure
Dispose Procedure
Mark and Release Procedures
P_getheap and P_rtnheap Procedures
Getheap and Rtnheap Procedures
Ch 7. Parameters
Value versus Reference Parameters
ANYVAR Parameters
READONLY Parameters
Conformant Array Parameters
Routines as Parameters
Routine Parameters
Parameters of Routine Types
Variables of Routine Types
Call Procedure
Fcall Function
Congruent Parameter Lists
Hidden Parameters
ANYVAR Parameters
Generic String Parameters
Extensible Parameter List
Multidimensional Conformant Array Parameters
Routine Parameters
EXTERNAL SPL VARIABLE
Ch 8. Procedure Options
EXTENSIBLE
DEFAULT_PARMS
Haveoptvarparm Function
Haveextension Function
UNCHECKABLE ANYVAR
UNRESOLVED
INLINE
Ch 9. External Routines
EXTERNAL Directive
Calling HP C from HP Pascal
Calling COBOL II from HP Pascal
Calling FORTRAN 77 from HP Pascal
Calling FORTRAN 66/V from HP Pascal
Calling SPL from HP Pascal
Switch Stubs
How Non-Pascal Programs Call Pascal Routines
How To Do Pascal I/O with a Non-Pascal Outer Block
Ch 10. Intrinsics
Using Intrinsics
Specifying Intrinsic Files
INTRINSIC Directive
Actual and Intrinsic Parameter Compatibility
Reference Parameter Compatibility
Value Parameter Compatibility
Function and Procedure Parameter Compatibility
Using Strings as Actual Parameters
Formal and Intrinsic Function Type Compatibility
User-Defined Formal Parameters
Reference Parameter Compatibility
Value Parameter Compatibility
Using Intrinsic Functions as Procedures
Defining Intrinsics
How to Build or Change an Intrinsic File
Ch 11. Error Recovery and Debugging
Error Recovery
Escape Procedure
Escapecode Function
TRY-RECOVER Construct
TRY-RECOVER and Optimization
Assert Procedure
Traps
ARITRAP and HPENBLTRAP Intrinsics
XLIBTRAP Intrinsic
XARITRAP Intrinsic
Integer Overflow Trap
Decimal Overflow Trap
Invalid ASCII Digit and Invalid Decimal Digit
IEEE Floating Point Traps
Compatibility Mode Floating-Point Traps
XCONTRAP Intrinsic
HP TOOLSET/XL and HP Symbolic Debuggers
System Debuggers
Ch 12. The Optimizer
When to Use the Optimizer
Invoking the Optimizer
Basic Blocks
Level One Optimization
Branch Optimization
Dead Code Elimination
Faster Register Allocation
Instruction Scheduling
Peephole Optimization
Real Expression Folding
Level Two Optimization
Coloring Register Allocation
Induction Variable Elaboration and Strength Reduction
Common Subexpression Elimination
Constant Folding
Loop-Invariant Code Motion
Store-Copy Optimization
Unused Definition Elimination
Optimizer Assumptions
Writing Programs That Are Easily Optimized
What to Do If the Optimized Program Fails
Ap A. MPE/iX Dependencies
System-Dependent Features
Compiler Options
File Names
Associating Logical and Physical Files
Using File Equations
Default File Attributes
Standard Modules
Additional Features
Restrictions on Using Executable Libraries (XLs)
MPE/iX Extensions
ccode Function
Fnum Function
Get_alignment Function
Statement_number Function
Setconvert Procedure
Strconvert Procedure
Pascal/V Packing Algorithm
Unpacked Variables
Packed Variables
Arrays
Files
Records
Sets
Strings
Packed Enumerations
Packed Subranges of Enumerations
Packed Subranges of Integers
Compiling, Linking, and Running Your Program
Command Files
:RUN PASCALXL.PUB.SYS
Run-Time Parameters
Ap B. HP-UX Dependencies
System Dependent Features
Compiler Options
File Names
Standard Modules
Additional Features
HP-UX Extensions
Accessing Special Global Variables
Fnum Function
Get_alignment Function
Statement_number Function
Compiling, Linking, and Running Your Program
pc Command
Run-Time Parameters
Associating Program Header Files with Run-Time Parameters
Interrupt Handling
Run-Time Error Handling
GLOSSARY
INDEX
Index