O'Reilly logo

GNU Emacs Pocket Reference by Debra Cameron

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

1.12. Emacs for Programmers

1.12.1. General Commands

Some of Emacs's commands are common to all supported programming languages.

To Keystrokes Command Name
Indent each line between the cursor and mark ESC C-\ indent-region
Move to the first nonblank character on the line ESC m back-to-indentation
Join this line to the previous one ESC ^ delete-indentation
Format and indent a comment ESC ; indent-for-comment

1.12.2. C, C++, and Java Modes

To Keystrokes Command Name
Move to the beginning of the current statement ESC a c-beginning-of-statement
Move to the end of the current statement ESC e c-end-of-statement
Fill the paragraph, preserving indentations and decorations, if in comment ESC x c-fill-paragraph
Move to the beginning of current function ESC C-a beginning-of-defun
Move to the end of current function ESC C-e end-of-defun
Put the cursor at the beginning of function, mark at the end C-c RETURN c-mark-function
Indent the entire function according to indentation style C-c C-q c-indent-defun
Indent a balanced expression according to indentation style ESC C-q c-indent-exp
Toggle auto state, in which Emacs automatically indents or inserts newlines when "electric" characters are typed ( { } : # ; , / *) C-c C-a c-toggle-auto-state
Toggle hungry state, in which Emacs deletes groups of spaces with a single DEL C-c C-d c-toggle-hungry-state
Toggle auto-hungry state, in which Emacs deletes groups of spaces and the newline that precedes ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required