Obtaining source file and line for function/macro definition

[James Norton]

Is it possible to obtain the source file and start line for a function/macro definition programmatically? I know that __info__/1 can provide the source file for a module, but I would like to be able to get the same information for function and macro definitions. I want to implement 'goto definition' for the Atom iex package.

I can get the source file for a module from __info__ and then use regex to try to locate the line in the file with the definition, but this is clunky. I was hoping there was some means of acquiring the file and line info directly.

Thank,

James

[José Valim]

You can get the file source with:

iex> String.__info__(:compile)

You can get the line for each function with:

iex> Code.get_docs String, :all

José Valim

www.plataformatec.com.br

Skype: jv.ptec

Founder and Director of R&D

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[James Norton]

Excellent. Thank you.

-James