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How to Generate a ctags Database for Go Source Code?

Patricia Arquette
Patricia ArquetteOriginal
2024-11-11 17:50:02140browse

How to Generate a ctags Database for Go Source Code?

ctags Database for Go

Question:

How can I generate a tags file for my Go source code using ctags?

Answer:

To create a tags file that includes Go files, follow these steps:

  1. Install exuberant ctags. If you haven't already, install the exuberant ctags utility.
  2. Create a custom configuration file. Open a file at ~/.ctags. If it doesn't exist, create it.
  3. Add the following configuration to the file. This defines the necessary patterns for identifying Go functions, variables, and types:
--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/
  1. Generate the tags file. Use the following command to generate a tags file named gosource.tags in your current working directory:
ctags -f gosource.tags -R `pwd`
  1. Edit the gosource.tags file to specify absolute paths. Vim requires absolute paths in its tags file. To edit the file, run the following command:
vim tags

Navigate to each line containing a file path and replace it with its absolute counterpart. Save and close the file.

Now you can use your customized tags file with Vim.

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