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Built-in Predicates
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Documentation
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Introduction
Overview
Initialising and Managing a Prolog Project
Built-in Predicates
Notation of Predicate Descriptions
Character representation
Loading Prolog source files
Editor Interface
Verify Type of a Term
Comparison and Unification of Terms
Control Predicates
Meta-Call Predicates
Delimited continuations
Exception handling
Printing messages
Handling signals
DCG Grammar rules
Database
Declaring predicate properties
Examining the program
Input and output
Status of streams
Primitive character I/O
Term reading and writing
Analysing and Constructing Terms
Analysing and Constructing Atoms
Localization (locale) support
Character properties
Operators
Character Conversion
Arithmetic
Misc arithmetic support predicates
Built-in list operations
Finding all Solutions to a Goal
Forall
Formatted Write
Global variables
Terminal Control
Operating System Interaction
File System Interaction
User Top-level Manipulation
Creating a Protocol of the User Interaction
Debugging and Tracing Programs
Debugging and declaring determinism
Obtaining Runtime Statistics
Execution profiling
Memory Management
Windows DDE interface
Miscellaneous
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CHR: Constraint Handling Rules
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4
Built-in Predicates
Section Index
4.1
Notation of Predicate Descriptions
4.1.1
The argument mode indicator
4.1.2
Predicate indicators
4.1.2.1
Non-terminal indicators
4.1.3
Predicate behaviour and determinism
4.2
Character representation
4.3
Loading Prolog source files
4.3.1
Conditional compilation and program transformation
4.3.1.1
Program transformation with source layout info
4.3.1.2
Conditional compilation
4.3.2
Reloading files, active code and threads
4.3.2.1
Errors and warnings during compilation
4.3.2.2
Compilation of mutually dependent code
4.3.2.3
Compilation with multiple threads
4.3.3
Quick load files
4.4
Editor Interface
4.4.1
Customizing the editor interface
4.5
Verify Type of a Term
4.6
Comparison and Unification of Terms
4.6.1
Standard Order of Terms
4.6.2
Special unification and comparison predicates
4.7
Control Predicates
4.8
Meta-Call Predicates
4.9
Delimited continuations
4.10
Exception handling
4.10.1
Unwind exceptions
4.10.2
Urgency of exceptions
4.10.3
Debugging and exceptions
4.10.4
The exception term
4.10.4.1
General form of the ISO standard exception term
4.10.4.2
Throwing exceptions from applications and libraries
4.11
Printing messages
4.11.1
Printing from libraries
4.12
Handling signals
4.12.1
Notes on signal handling
4.13
DCG Grammar rules
4.14
Database
4.14.1
Managing (dynamic) predicates
4.14.1.1
Transactions
4.14.1.2
Impact of transactions
4.14.2
The recorded database
4.14.3
Flags
4.14.4
Tries
4.14.5
Update view
4.14.6
Indexing databases
4.15
Declaring predicate properties
4.16
Examining the program
4.17
Input and output
4.17.1
Predefined stream aliases
4.17.2
ISO Input and Output Streams
4.17.3
Edinburgh-style I/O
4.17.4
Switching between Edinburgh and ISO I/O
4.17.5
Adding IRI schemas
4.17.6
Write onto atoms, code-lists, etc.
4.17.7
Fast binary term I/O
4.18
Status of streams
4.19
Primitive character I/O
4.20
Term reading and writing
4.21
Analysing and Constructing Terms
4.21.1
Non-logical operations on terms
4.22
Analysing and Constructing Atoms
4.23
Localization (locale) support
4.24
Character properties
4.24.1
Case conversion
4.24.2
White space normalization
4.24.3
Language-specific comparison
4.25
Operators
4.26
Character Conversion
4.27
Arithmetic
4.27.1
Special purpose integer arithmetic
4.27.2
General purpose arithmetic
4.27.2.1
Arithmetic types
4.27.2.2
Rational number examples
4.27.2.3
Rational numbers or floats
4.27.2.4
IEEE 754 floating point arithmetic
4.27.2.5
Floating point arithmetic precision
4.27.2.6
Arithmetic Functions
4.28
Misc arithmetic support predicates
4.29
Built-in list operations
4.30
Finding all Solutions to a Goal
4.31
Forall
4.32
Formatted Write
4.32.1
Writef
4.32.2
Format
4.32.3
Programming Format
4.33
Global variables
4.33.1
Compatibility of SWI-Prolog Global Variables
4.34
Terminal Control
4.35
Operating System Interaction
4.35.1
Windows-specific Operating System Interaction
4.35.2
Apple specific Operating System Interaction
4.35.3
Dealing with time and date
4.35.3.1
Time and date data structures
4.35.3.2
Time and date predicates
4.35.4
Controlling the
swipl-win.exe
console window
4.36
File System Interaction
4.37
User Top-level Manipulation
4.38
Creating a Protocol of the User Interaction
4.39
Debugging and Tracing Programs
4.40
Debugging and declaring determinism
4.41
Obtaining Runtime Statistics
4.42
Execution profiling
4.42.1
library(prolog_profile): Execution profiler
4.42.2
Visualizing profiling data
4.42.3
Information gathering
4.42.3.1
Profiling in the Windows Implementation
4.43
Memory Management
4.43.1
Garbage collection
4.43.2
Heap memory (malloc)
4.43.2.1
TCMalloc control predicates
4.44
Windows DDE interface
4.44.1
DDE client interface
4.44.2
DDE server mode
4.45
Miscellaneous