How to Generate Tags File for Go Source Code in macOS?

Generating Tags File for Go Source in macOS

Issue: Unable to generate tags file for Go source code using ctags.

Solution:

To generate a tags file for Go source code, you need to modify your ~/.ctags configuration file. Add the following lines to ~/.ctags:

--langdef=Go
--langmap=Go:.go
--regex-Go=/func([ \t]+\([^)]+\))?[ \t]+([a-zA-Z0-9_]+)//d,func/
--regex-Go=/var[ \t]+([a-zA-Z_][a-zA-Z0-9_]+)//d,var/
--regex-Go=/type[ \t]+([a-zA-Z_][a-zA-Z0-9_]+)//d,type/

These modifications allow ctags to recognize Go source files and extract function, variable, and type definitions for inclusion in the tags file.

Usage:

Once the ~/.ctags file is updated, you can generate the tags file using the following command in the source directory:

ctags -f gosource.tags -R $(pwd)

This command will create the tags file gosource.tags in the current directory. You can then use this tags file with Vim by adding the following to your .vimrc file:

set tags+=gosource.tags

This will enable Vim to use the tags file for auto-completion and symbol navigation.

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