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" Vim indent file
" Language: gdscript (Godot game engine)
" Maintainer: Maxim Kim <habamax@gmail.com>
" Based on python indent file.
"
" This file has been manually translated from Vim9 script.
if exists("b:did_indent")
finish
endif
let b:did_indent = 1
let s:save_cpo = &cpo
set cpo&vim
let s:undo_opts = "setl indentexpr< indentkeys< lisp< autoindent<"
if exists('b:undo_indent')
let b:undo_indent ..= "|" .. s:undo_opts
else
let b:undo_indent = s:undo_opts
endif
setlocal nolisp
setlocal autoindent
setlocal indentexpr=s:GDScriptIndent()
setlocal indentkeys+=<:>,=elif,=except
function s:GDScriptIndent() abort
" If this line is explicitly joined: If the previous line was also joined,
" line it up with that one, otherwise add two 'shiftwidth'
if getline(v:lnum - 1) =~# '\\$'
if v:lnum > 1 && getline(v:lnum - 2) =~# '\\$'
return indent(v:lnum - 1)
endif
return indent(v:lnum - 1) + (shiftwidth() * 2)
endif
" If the start of the line is in a string don't change the indent.
if has('syntax_items') && synIDattr(synID(v:lnum, 1, 1), "name") =~# "String$"
return -1
endif
" Search backwards for the previous non-empty line.
let plnum = prevnonblank(v:lnum - 1)
if plnum == 0
" This is the first non-empty line, use zero indent.
return 0
endif
let plindent = indent(plnum)
let plnumstart = plnum
" Get the line and remove a trailing comment.
" Use syntax highlighting attributes when possible.
let pline = getline(plnum)
let pline_len = strlen(pline)
if has('syntax_items')
" If the last character in the line is a comment, do a binary search for
" the start of the comment. synID() is slow, a linear search would take
" too long on a long line.
if synIDattr(synID(plnum, pline_len, 1), "name") =~# "\\(Comment\\|Todo\\)$"
let min = 1
let max = pline_len
while min < max
let col = (min + max) / 2
if synIDattr(synID(plnum, col, 1), "name") =~# "\\(Comment\\|Todo\\)$"
let max = col
else
let min = col + 1
endif
endwhile
let pline = strpart(pline, 0, min - 1)
endif
else
let col = 0
while col < pline_len
if pline[col] ==# '#'
let pline = strpart(pline, 0, col)
break
endif
let col = col + 1
endwhile
endif
" When "inside" parenthesis: If at the first line below the parenthesis add
" one 'shiftwidth' ("inside" is simplified and not really checked)
" my_var = (
" a
" + b
" + c
" )
if pline =~# '[({\[]\s*$'
return indent(plnum) + shiftwidth()
endif
" If the previous line ended with a colon, indent this line
if pline =~# ':\s*$'
return plindent + shiftwidth()
endif
" If the previous line was a stop-execution statement...
if getline(plnum) =~# '^\s*\(break\|continue\|raise\|return\|pass\)\>'
" See if the user has already dedented
if indent(v:lnum) > indent(plnum) - shiftwidth()
" If not, recommend one dedent
return indent(plnum) - shiftwidth()
endif
" Otherwise, trust the user
return -1
endif
" If the current line begins with a keyword that lines up with "try"
if getline(v:lnum) =~# '^\s*\(except\|finally\)\>'
let lnum = v:lnum - 1
while lnum >= 1
if getline(lnum) =~# '^\s*\(try\|except\)\>'
let ind = indent(lnum)
if ind >= indent(v:lnum)
return -1 " indent is already less than this
endif
return ind " line up with previous try or except
endif
let lnum = lnum - 1
endwhile
return -1 " no matching "try"!
endif
" If the current line begins with a header keyword, dedent
if getline(v:lnum) =~# '^\s*\(elif\|else\)\>'
" Unless the previous line was a one-liner
if getline(plnumstart) =~# '^\s*\(for\|if\|try\)\>'
return plindent
endif
" Or the user has already dedented
if indent(v:lnum) <= plindent - shiftwidth()
return -1
endif
return plindent - shiftwidth()
endif
return -1
endfunction
let &cpo = s:save_cpo
unlet s:save_cpo
|
