GNU Emacs Pocket Reference

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 ...