How to Generate a Tags File for Go Source Code Using ctags?

Generating Tags File for Go Source Code

Query:

How to create a tags file for Go source code using ctags, ensuring that all relevant files are included?

Solution:

To generate a tags file for Go source, follow these steps:

1. Install exuberant ctags, if necessary.
2. Customize your ~/.ctags file: Append the following lines to define the Go language and its patterns:

--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/

3. Navigate to the source directory and execute the following command:

ctags -f gosource.tags -R `pwd`

This command will generate a tags file named gosource.tags in the current directory, considering all *.go files within the source directory.

Note that the -h option is not necessary because the language-specific patterns defined in ~/.ctags will ensure that only relevant files are tagged.

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