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Michelson Emacs mode

Michelson Emacs mode

This mode is a work in progress. Please contact us with bugs and feature requests. All of the options mentioned below are also accessible via the customize menu.


To operate the mode, please install the following dependencies. All are available from either melpa, elpa, or marmalade and are available under a free software license.

Required Configuration

To use the mode, you must load the michelson-mode.el file into Emacs. Add the following to your .emacs file.

(load "~/tezos/tezos/emacs/michelson-mode.el" nil t)

Before using the Emacs mode, you must configure the michelson-client-command. If you have compiled the Tezos Git repository, set this to be the path to the tezos-client binary on your system. Make sure you have an up to date version of the client compiled. You must also start a tezos node to enable typechecking features. This option is recommended because it is faster than operating through the docker container.

If you wish to run the Emacs mode with the alphanet script, use the path of the alphanet.sh script, plus the word client. You must also set the michelson-alphanet variable to be t. If you do not set this option, the mode will not work with the alphanet.

Here are examples of the client configuration:

Without the alphanet (setq michelson-client-command "~/tezos/tezos/tezos-client") (setq michelson-alphanet nil) With the alphanet (setq michelson-client-command "~/tezos/alphanet/alphanet.sh client") (setq michelson-alphanet t) Additional Options

There are various feature of the Emacs mode you may wish to configure.

Error display

When writing a contract, you may wish to disable error display in order to avoid the "wrong stack type at end of body" error that is often present. This can be done by changing the michelson-print-errors and michelson-highlight-errors options. Both of these options also have interactive toggles for easy access.

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