mirror of
https://github.com/golang/go
synced 2024-11-18 10:54:40 -07:00
816f4bb1d8
It interferes with keys in composite literals, which are much more common. R=dchest, jnwhiteh, rlight2 CC=golang-dev https://golang.org/cl/4521065
66 lines
1.6 KiB
VimL
66 lines
1.6 KiB
VimL
" Copyright 2011 The Go Authors. All rights reserved.
|
|
" Use of this source code is governed by a BSD-style
|
|
" license that can be found in the LICENSE file.
|
|
"
|
|
" indent/go.vim: Vim indent file for Go.
|
|
"
|
|
" TODO:
|
|
" - function invocations split across lines
|
|
" - general line splits (line ends in an operator)
|
|
|
|
if exists("b:did_indent")
|
|
finish
|
|
endif
|
|
let b:did_indent = 1
|
|
|
|
" C indentation is too far off useful, mainly due to Go's := operator.
|
|
" Let's just define our own.
|
|
setlocal nolisp
|
|
setlocal autoindent
|
|
setlocal indentexpr=GoIndent(v:lnum)
|
|
setlocal indentkeys+=<:>,0=},0=)
|
|
|
|
if exists("*GoIndent")
|
|
finish
|
|
endif
|
|
|
|
function! GoIndent(lnum)
|
|
let prevlnum = prevnonblank(a:lnum-1)
|
|
if prevlnum == 0
|
|
" top of file
|
|
return 0
|
|
endif
|
|
|
|
" grab the previous and current line, stripping comments.
|
|
let prevl = substitute(getline(prevlnum), '//.*$', '', '')
|
|
let thisl = substitute(getline(a:lnum), '//.*$', '', '')
|
|
let previ = indent(prevlnum)
|
|
|
|
let ind = previ
|
|
|
|
if prevl =~ '[({]\s*$'
|
|
" previous line opened a block
|
|
let ind += &sw
|
|
endif
|
|
if prevl =~# '^\s*\(case .*\|default\):$'
|
|
" previous line is part of a switch statement
|
|
let ind += &sw
|
|
endif
|
|
" TODO: handle if the previous line is a label.
|
|
|
|
if thisl =~ '^\s*[)}]'
|
|
" this line closed a block
|
|
let ind -= &sw
|
|
endif
|
|
|
|
" Colons are tricky.
|
|
" We want to outdent if it's part of a switch ("case foo:" or "default:").
|
|
" We ignore trying to deal with jump labels because (a) they're rare, and
|
|
" (b) they're hard to disambiguate from a composite literal key.
|
|
if thisl =~# '^\s*\(case .*\|default\):$'
|
|
let ind -= &sw
|
|
endif
|
|
|
|
return ind
|
|
endfunction
|