MIT/GNU Scheme 9.2

MIT/GNU Scheme

This manual documents MIT/GNU Scheme 9.2.

Copyright © 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Massachusetts Institute of Technology

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts and no Back-Cover Texts. A copy of the license is included in the section entitled “GNU Free Documentation License.”

• Acknowledgements
• Overview
• Special Forms
• Equivalence Predicates
• Numbers
• Characters
• Strings
• Lists
• Vectors
• Bit Strings
• Miscellaneous Datatypes
• Associations
• Procedures
• Environments
• Input/Output
• Operating-System Interface
• Error System
• Graphics
• Win32 Package Reference
• GNU Free Documentation License
• Binding Index
• Concept Index

--- The Detailed Node Listing ---

Overview

• Notational Conventions
• Scheme Concepts
• Lexical Conventions
• Expressions

Notational Conventions

• Errors
• Examples
• Entry Format

Scheme Concepts

• Variable Bindings
• Environment Concepts
• Initial and Current Environments
• Static Scoping
• True and False
• External Representations
• Disjointness of Types
• Storage Model

Lexical Conventions

• Whitespace
• Delimiters
• Identifiers
• Uppercase and Lowercase
• Naming Conventions
• Comments
• Additional Notations

Expressions

• Literal Expressions
• Variable References
• Special Form Syntax
• Procedure Call Syntax

Special Forms

• Lambda Expressions
• Lexical Binding
• Dynamic Binding
• Definitions
• Assignments
• Quoting
• Conditionals
• Sequencing
• Iteration
• Structure Definitions
• Macros
• SRFI syntax

Definitions

• Top-Level Definitions
• Internal Definitions

Macros

• Syntactic Binding Constructs
• Pattern Language
• Syntactic Closures
• Explicit Renaming

Syntactic Closures

• Syntax Terminology
• SC Transformer Definition
• SC Identifiers

SRFI syntax

• cond-expand (SRFI 0)
• receive (SRFI 8)
• and-let* (SRFI 2)
• define-record-type (SRFI 9)

Numbers

• Numerical types
• Exactness
• Implementation restrictions
• Syntax of numerical constants
• Numerical operations
• Numerical input and output
• Fixnum and Flonum Operations
• Random Numbers

Fixnum and Flonum Operations

• Fixnum Operations
• Flonum Operations

Characters

• External Representation of Characters
• Comparison of Characters
• Miscellaneous Character Operations
• Internal Representation of Characters
• ISO-8859-1 Characters
• Character Sets
• Unicode

Unicode

• Wide Strings
• Unicode Representations

Strings

• Construction of Strings
• Selecting String Components
• Comparison of Strings
• Alphabetic Case in Strings
• Cutting and Pasting Strings
• Searching Strings
• Matching Strings
• Regular Expressions
• Modification of Strings
• Variable-Length Strings
• Byte Vectors

Regular Expressions

• Regular-expression procedures
• REXP abstraction

Lists

• Pairs
• Construction of Lists
• Selecting List Components
• Cutting and Pasting Lists
• Filtering Lists
• Searching Lists
• Mapping of Lists
• Reduction of Lists
• Miscellaneous List Operations

Vectors

• Construction of Vectors
• Selecting Vector Components
• Cutting Vectors
• Modifying Vectors

Bit Strings

• Construction of Bit Strings
• Selecting Bit String Components
• Cutting and Pasting Bit Strings
• Bitwise Operations on Bit Strings
• Modification of Bit Strings
• Integer Conversions of Bit Strings

Miscellaneous Datatypes

• Booleans
• Symbols
• Cells
• Records
• Promises
• Streams
• Weak Pairs
• Ephemerons

Associations

• Association Lists
• 1D Tables
• The Association Table
• Hash Tables
• Object Hashing
• Red-Black Trees
• Weight-Balanced Trees

Hash Tables

• Construction of Hash Tables
• Basic Hash Table Operations
• Resizing of Hash Tables
• Address Hashing

Weight-Balanced Trees

• Construction of Weight-Balanced Trees
• Basic Operations on Weight-Balanced Trees
• Advanced Operations on Weight-Balanced Trees
• Indexing Operations on Weight-Balanced Trees

Procedures

• Procedure Operations
• Arity
• Primitive Procedures
• Continuations
• Application Hooks
• Generic Dispatch

Generic Dispatch

• Generic Procedures
• Method Generators
• Dispatch Tags

Environments

• Environment Operations
• Environment Variables
• REPL Environment
• Top-level Environments

Input/Output

• Ports
• File Ports
• String Ports
• Input Procedures
• Output Procedures
• Format
• Custom Output
• Prompting
• Port Primitives
• Parser Buffers
• Parser Language
• XML Support

Port Primitives

• Port Types
• Constructors and Accessors for Ports
• Input Port Operations
• Output Port Operations
• Blocking Mode
• Terminal Mode

Parser Language

• *Matcher
• *Parser
• Parser-language Macros

XML Support

• XML Input
• XML Output
• XML Names
• XML Structure

Operating-System Interface

• Pathnames
• Working Directory
• File Manipulation
• Directory Reader
• Date and Time
• Machine Time
• Subprocesses
• TCP Sockets
• Miscellaneous OS Facilities

Pathnames

• Filenames and Pathnames
• Components of Pathnames
• Operations on Pathnames
• Miscellaneous Pathnames

Date and Time

• Universal Time
• Decoded Time
• File Time
• Time-Format Conversion
• External Representation of Time

Subprocesses

• Subprocess Procedures
• Subprocess Conditions
• Subprocess Options

Error System

• Condition Signalling
• Error Messages
• Condition Handling
• Restarts
• Condition Instances
• Condition Types
• Taxonomy

Restarts

• Establishing Restart Code
• Invoking Standard Restart Code
• Finding and Invoking General Restart Code
• The Named Restart Abstraction

Condition Instances

• Generating Operations on Conditions
• Condition State
• Simple Condition Instance Operations

Graphics

• Opening and Closing of Graphics Devices
• Coordinates for Graphics
• Drawing Graphics
• Characteristics of Graphics Output
• Buffering of Graphics Output
• Clipping of Graphics Output
• Custom Graphics Operations
• Images
• X Graphics: Graphics on the X Window System
• Win32 Graphics: Graphics on Microsoft Windows and Windows NT

X Graphics

• X Graphics Type
• Utilities for X Graphics
• Custom Operations on X Graphics Devices

Win32 Graphics

• Win32 Graphics Type
• Custom Operations for Win32 Graphics: Custom Operations for Win32 Graphics Devices

Win32 Package Reference

• Win32 Package Overview
• Foreign function interface
• Device Independent Bitmap Utilities

Foreign Function Interface

• Windows Types
• Windows Foreign Procedures
• Win32 API names and procedures

Device Independent Bitmap Utilities

• DIB procedures
• Other parts of the DIB Utilities implementation