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|
if polyglot#init#is_disabled(expand('<sfile>:p'), 'autohotkey', 'indent/autohotkey.vim')
finish
endif
" Vim indent file
" Language: AutoHotkey
" Maintainer: Hirotoshi Namikawa <hnamikaw1@gmail.com>
" URL: http://github.com/hnamikaw/vim-autohotkey
" License: Same as Vim.
if exists('b:did_indent')
finish
endif
setlocal autoindent
setlocal indentexpr=GetAutoHotkeyIndent()
setlocal indentkeys=!^F,o,O,0{,0},=if,=else,=return
setlocal expandtab
let b:undo_indent = 'setlocal '.join([
\ 'autoindent<',
\ 'indentexpr<',
\ 'indentkeys<',
\ 'expandtab<',
\ ])
let s:TRUE = !0
let s:FALSE = 0
" Check BEGIN BLOCK
" TRUE:
" {
" { ; with comment
" if {
" if { ; with comment
"
" FALSE:
" ; if { comment
" sleep 1000 ; {
function! IsBeginBlockByStr(str)
return a:str =~? '^[^;]*{\s*\(;.*\)\?$' ? s:TRUE : s:FALSE
endfunction
" Check END BLOCK
" TRUE:
" }
" } ; with comment
" } else {
" } else { ; with comment
"
" FALSE:
" ; } else {
function! IsEndBlockByStr(str)
return a:str =~? '^\s*}.*\(;.*\)\?$' ? s:TRUE : s:FALSE
endfunction
" Check DOUBLE CORON
" TRUE:
" LAlt up::
" LAlt up:: ; with comment
"
" FALSE:
" ; LAlt up::
" sleep 1000 ; ::
function! IsDoubleCoronByStr(str)
return a:str =~? '^[^;]*::\s*\(;.*\)\?$' ? s:TRUE : s:FALSE
endfunction
" Check RETURN
" TRUE:
" return
" return 1
" return ; with comment
"
" FALSE:
" ; return
function! IsReturnByStr(str)
return a:str =~? '^\s*return.*\(;.*\)\?$' ? s:TRUE : s:FALSE
endfunction
" Check IF STATEMENT(without BLOCK)
" TRUE:
" if
" if ; with comment
" else
" else ; with comment
"
" FALSE:
" if {
" else {
function! IsIfStatementByStr(str)
return a:str =~? '^\s*\(if\|else\)[^{]*\(;.*\)\?$' ? s:TRUE : s:FALSE
endfunction
" Check inside of BLOCK.
" TRUE:
" if {
" hogehoge
" fugafuga <--- line_num
" }
"
" FALSE:
" foobar <--- line_num
function! IsInsideOfBlockByNum(line_num)
let block_indent_level = 0
for scan_line_num in range(1, a:line_num)
if IsBeginBlockByStr(getline(scan_line_num)) == s:TRUE
let block_indent_level += 1
endif
if IsEndBlockByStr(getline(scan_line_num)) == s:TRUE
let block_indent_level -= 1
endif
endfor
return block_indent_level >= 1 ? s:TRUE : s:FALSE
endfunction
function! AddIndentByInd(indent)
return a:indent + &l:shiftwidth
endfunction
function! UnIndentByInd(indent)
return a:indent - &l:shiftwidth
endfunction
function! GetAutoHotkeyIndent()
let l0_num = v:lnum
let l1_num = v:lnum - 1
let pl1_num = prevnonblank(l1_num)
let pl2_num = prevnonblank(pl1_num - 1)
let l0_str = getline(l0_num)
let pl1_str = getline(pl1_num)
let pl2_str = getline(pl2_num)
let pl1_ind = indent(pl1_num)
let pl2_ind = indent(pl2_num)
" Case: Next line of IF STATEMENT(without BLOCK)
" if bar = 1
" callFunc1() <--- AddIndent
"
" if bar = 1
" { <--- No! AddIndent
if IsIfStatementByStr(pl1_str) == s:TRUE && IsBeginBlockByStr(l0_str) == s:FALSE
return AddIndentByInd(pl1_ind)
endif
" Case: End of IF STATEMENT(without BLOCK)
" if bar = 1
" callFunc1()
" if bar = 2 <--- UnIndent
"
" Case: End of IF STATEMENT(without BLOCK) and END BLOCK(of outer block)
" if foo
" {
" if bar = 3
" callFunc3()
" } <--- UnIndent (2level)
if IsIfStatementByStr(pl2_str) == s:TRUE && IsBeginBlockByStr(pl1_str) == s:FALSE
if IsEndBlockByStr(l0_str) == s:FALSE
return UnIndentByInd(pl1_ind)
else
return UnIndentByInd(pl2_ind)
endif
endif
" Case: Next line of BEGIN BLOCK
" Swap(ByRef Left, ByRef Right)
" {
" temp := Left <--- AddIndent
" Left := Right
" Right := temp
" }
if IsBeginBlockByStr(pl1_str) == s:TRUE
return AddIndentByInd(pl1_ind)
endif
" Case: END BLOCK
" Swap(ByRef Left, ByRef Right)
" {
" temp := Left
" Left := Right
" Right := temp
" } <--- UnIndent
if IsEndBlockByStr(l0_str) == s:TRUE
return UnIndentByInd(pl1_ind)
endif
" Case: Next line of DOUBLE CORON
" #n::
" Run Notepad <--- AddIndent
" return
if IsDoubleCoronByStr(pl1_str) == s:TRUE
return AddIndentByInd(pl1_ind)
endif
" Case: RETURN
" Note: It is not nothing if in the BLOCK.
" #n::
" Run Notepad
" return <--- UnIndent
" ~~~
" if foo
" {
" callFunc1()
" return <--- No! UnIndent
" }
if IsReturnByStr(l0_str) == s:TRUE && IsInsideOfBlockByNum(l0_num) == s:FALSE
return UnIndentByInd(pl1_ind)
endif
" Case: Top line.
if pl1_num == 0
return 0
endif
" Case: It does not match anything.
return pl1_ind
endfunction
let b:did_indent = 1
|
