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'''
Minimal clang-rename integration with Vim.
Before installing make sure one of the following is satisfied:
* clang-rename is in your PATH
* `g:clang_rename_path` in ~/.vimrc points to valid clang-rename executable
* `binary` in clang-rename.py points to valid to clang-rename executable
To install, simply put this into your ~/.vimrc for python2 support
noremap <leader>cr :pyf <path-to>/clang-rename.py<cr>
For python3 use the following command (note the change from :pyf to :py3f)
noremap <leader>cr :py3f <path-to>/clang-rename.py<cr>
IMPORTANT NOTE: Before running the tool, make sure you saved the file.
All you have to do now is to place a cursor on a variable/function/class which
you would like to rename and press '<leader>cr'. You will be prompted for a new
name if the cursor points to a valid symbol.
'''
from __future__ import print_function
import vim
import subprocess
import sys
def main():
binary = 'clang-rename'
if vim.eval('exists("g:clang_rename_path")') == "1":
binary = vim.eval('g:clang_rename_path')
# Get arguments for clang-rename binary.
offset = int(vim.eval('line2byte(line("."))+col(".")')) - 2
if offset < 0:
print('Couldn\'t determine cursor position. Is your file empty?',
file=sys.stderr)
return
filename = vim.current.buffer.name
new_name_request_message = 'type new name:'
new_name = vim.eval("input('{}\n')".format(new_name_request_message))
# Call clang-rename.
command = [binary,
filename,
'-i',
'-offset', str(offset),
'-new-name', str(new_name)]
# FIXME: make it possible to run the tool on unsaved file.
p = subprocess.Popen(command,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = p.communicate()
if stderr:
print(stderr)
# Reload all buffers in Vim.
vim.command("checktime")
if __name__ == '__main__':
main()
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