Writing GNU Emacs Extensions 1st edition by Bob Glickstein – Ebook PDF Instant Download/Delivery: 1565922611 , 978-1565922617
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ISBN 10: 1565922611
ISBN 13: 978-1565922617
Author: Bob Glickstein
Yes, it is possible to be all things to all people, if you’re talking about the Emacs editor. As a user, you can make any kind of customization you want, from choosing the keystrokes that invoke your favorite commands to creating a whole new work environment that looks like nothing ever developed before. It’s all in Emacs Lisp — and in this short but fast-paced book.GNU Emacs is more than an editor; it’s a programming environment, a communications package, and many other things. To provide such a broad range of functions, it offers a full version of the Lisp programming language — something much more powerful than the little macro languages provided in other editors (including older versions of Emacs). GNU Emacs is a framework in which you can create whole new kinds of editors or just alter aspects of the many functions it already provides.In this book, Bob Glickstein delves deep into the features that permit far-reaching Emacs customizations. He teaches you the Lisp language and discusses Emacs topics (such as syntax tables and macro templates) in easy-to-digest portions. Examples progress in complexity from simple customizations to extensive major modes.You will learn how to write interactive commands, use hooks and advice, perform error recovery, manipulate windows, buffers, and keymaps, exploit and alter Emacs’s main loop, and more. Each topic is explored through realistic examples and a series of successive refinements that illustrate not only the Emacs Lisp language, but the development process as well, making learning pleasant and natural.
Writing GNU Emacs Extensions 1st Table of contents:
Chapter 1. Customizing Emacs
Backspace and Delete
Lisp
Keys and Strings
To What Is C-h Bound?
To What Should C-h Be Bound?
Evaluating Lisp Expressions
Apropos
Chapter 2. Simple New Commands
Traversing Windows
Line-at-a-Time Scrolling
Other Cursor and Text Motion Commands
Clobbering Symbolic Links
Advised Buffer Switching
Addendum: Raw Prefix Argument
Chapter 3. Cooperating Commands
The Symptom
A Cure
Generalizing the Solution
Chapter 4. Searching and Modifying Buffers
Inserting the Current Time
Writestamps
Modifystamps
Chapter 5. Lisp Files
Creating a Lisp File
Loading the File
Compiling the File
eval-after-load
Local Variables Lists
Addendum: Security Consideration
Chapter 6. Lists
The Simple View of Lists
List Details
Recursive List Functions
Iterative List Functions
Other Useful List Functions
Destructive List Operations
Circular Lists?!
Chapter 7. Minor Mode
Paragraph Filling
Modes
Defining a Minor Mode
Mode Meat
Chapter 8. Evaluation and Error Recovery
limited-save-excursion
eval
Macro Functions
Backquote and Unquote
Return Value
Failing Gracefully
Point Marker
Chapter 9. A Major Mode
My Quips File
Major Mode Skeleton
Changing the Definition of a Paragraph
Quip Commands
Keymaps
Narrowing
Derived Modes
Chapter 10. A Comprehensive Example
New York Times Rules
Data Representation
User Interface
Setting Up the Mode
Tracking Unauthorized Changes
Parsing the Buffer
Word Finder
Last Word
Conclusion
Appendix A. Lisp Quick Reference
Basics
Data Types
Control Structures
Code Objects
Appendix B. Debugging and Profiling
Evaluation
The Debugger
The Debugger
Edebug
The Profiler
Appendix C. Sharing Your Code
Preparing Source Files
Documentation
Copyright
Posting
Appendix D. Obtaining and Building Emacs
Availability of Packages
Unpacking, Building, and Installing Emacs
Index
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