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
See String section
String
A string in Emacs Lisp is an array that contains an ordered sequence of characters
String and Character related function and Variable
| Category |
Functions Variable
|
| Predicates for Strings |
stringp string-or-null-p char-or-string-p
|
| Creating Strings |
make-string string substring substring-no-properties concat split-string split-string-default-separators
|
| Modifying Strings |
store-substring clear-string
|
| Comparison |
char-equal string= string-equal string< string-lessp compare-strings assoc-string
|
| Conversion |
number-to-string string-to-number char-to-string string-to-char
|
| Formatting Strings |
format
|
| Case Conversion |
downcase upcase capitalize upcase-initials
|
| The Case Table |
case-table-p set-standard-case-table standard-case-table current-case-table set-case-table with-case-table ascii-case-table set-case-syntax-pair set-case-syntax-delims set-case-syntax describe-buffer-case-table
|
List
Lists are built up from cons cells
List related function and Variable
| Category |
Functions Variable
|
| List-related Predicates |
consp atom listp nlistp null
|
| List Elements |
car cdr car-safe cdr-safe pop nth nthcdr last safe-length caar cadr cadr cadr butlast nbutlast
|
| Building Lists |
cons list make-list append reverse copy-tree number-sequence
|
| List Variables |
push add-to-list add-to-ordered-list
|
| Modifying Lists |
setcar setcdr nconc nreverse sort
|
| Sets And Lists |
memq delq remq memql member delete remove member-ignore-case delete-dups
|
| Association Lists |
assoc rassoc sassq rassq assoc-default copy-alist assq-delete-all rassq-delete-all
|
| Rings |
make-ring ring-p ring-size ring-length ring-elements ring-copy ring-empty-p ring-ref ring-insert ring-remove ring-insert-at-beginning
|
Vector
Sequence
Hash Tables
Hash Tables related function and Variable
| Category |
Functions Variable
|
| Creating Hash |
make-hash-table makehash
|
| Hash Access |
gethash puthash remhash clrhash maphash
|
| Defining Hash |
define-hash-table-test sxhashsxhash
|
| Other Hash |
hash-table-p copy-hash-table hash-table-count hash-table-test hash-table-weakness hash-table-rehash-size hash-table-rehash-threshold hash-table-size
|
Symbols
Symbols related function and Variable
| Category |
Functions Variable
|
| Predicates for symbols |
symbolp
|
| Creating Symbols |
symbol-name make-symbol intern intern-soft obarray mapatoms unintern
|
| Property Lists |
symbol-plist setplist get put plist-get plist-put lax-plist-get lax-plist-put plist-member
|
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
|