Special form
special form has its own rule for which arguments are evaluated
Special Form
Purpose |
Forms
|
Definition |
defconst defun defvar
|
Binding constructs |
let let* function
|
Conditional evaluation |
and cond if or
|
Sequential evaluation |
prog1 prog2 progn
|
Iteration |
while function
|
Syntactic extension |
defmacro
|
Quoting |
quote
|
Assignment |
setq setq-default
|
Nonlocal Exits |
catch condition-case unwind-protect
|
Save |
save-current-buffer save-excursion save-restriction save-window-excursion
|
Other |
interactive track-mouse with-output-to-temp-buffer
|
Standard Library
Number
Emacs supports two numeric data types: integers and floating point numbers
Number related function and Variable
Category |
Functions Variable
|
Integer Basics |
most-positive-fixnum most-negative-fixnum
|
Floating Point Basics |
logb float-e float-pi
|
Type Predicate Test |
floatp integerp numberp wholenump zerop
|
Comparison |
= eql /= < <= > >= max min abs
|
Conversions |
float truncate floor ceiling round
|
Arithmetic Operations |
1+ 1- + - * / % mod
|
Rounding Operations |
ffloor fceiling ftruncate fround
|
Bitwise Operations |
lsh ash logand logior logxor lognot
|
Mathematical Functions |
sin cos tan asin acos atan exp log log10 expt sqrt
|
Random Numbers |
random
|
Character
String
List
Vector
Sequence
Hash Tables
Symbols
Minibuffer
Keymaps
File
Buffer
buffer is a lisp object containing text to be edited
Buffer related function and Variable
Category |
Functions Variable
|
Basic |
bufferp current-buffer set-buffer save-current-buffer with-current-buffer with-temp-buffer
|
Buffer Names |
buffer-name rename-buffer get-buffer generate-new-buffer-name
|
Buffer File Name |
buffer-file-name buffer-file-name buffer-file-truename buffer-file-number get-file-buffer find-buffer-visting set-visted-file-name list-buffers-directory
|
Buffer Modification |
buffer-modified-p set-buffer-modified-p restore-buffer-modified-p not-modified buffer-modified-tick buffer-chars-modified-tick
|
Buffer Modification Time |
verify-visited-file-modtime clear-visited-file-modtime visited-file-modtime set-visited-file-modtime ask-user-about-supersession-threat
|
Read-Only Buffers |
buffer-read-only inhibit-read-only toggle-read-only barf-if-buffer-read-only
|
Buffer List |
buffer-list other-buffer last-buffer bury-buffer unbury-buffer
|
Creating Buffers |
get-buffer-creat generate-new-buffer
|
Killing Buffers |
kill-buffer kill-buffer-query-function kill-buffer-hook buffer-offer-save buffer-save-without-query buffer-live-p
|
Indirect Buffers |
make-indirect-buffer clone-indirect-buffer buffer-base-buffer
|
Swapping Text Between Two Buffers |
buffer-swap-text
|
Buffer Gap |
gap-position gap-size
|
Windows
Frames
Positons
Marker
Text (unfinished)
Text is manipulated through Buffer object with point and marker.
Text related function and Variable
Category |
Function Variable
|
Near Point |
char-after char-before following-char preceding-char bobp eobp bolp eolp
|
Examining Buffer Contents |
buffer-substring buffer-substring-no-properties buffer-string filter-buffer-substring filter-buffer-substring-function buffer-substring-filters current-word thing-at-point
|
Comparing Text |
compare-buffer-substrings
|
Inserting Text |
insert insert-before-markers insert-char insert-buffer-substring insert-buffer-substring-no-properties
|
User-Level Insertion Commands |
insert-buffer self-insert-command newline overwrite-mode
|
Deleting Text |
erase-buffer delete-region delete-and-extract-region delete-char delete-backward-char backwar-delete-char-untabify backward-delete-char-untabify-method
|
User-Level Deletion Commands |
delete-horizontal-space delete-indentation fixup-whitespace just-one-space delete-blank-lines
|