2017-11-06 16:46:08 -07:00
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" Description: Helper functions for Rust commands/mappings
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2023-09-12 13:30:02 -07:00
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" Last Modified: 2023-09-11
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2017-11-06 16:46:08 -07:00
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" For bugs, patches and license go to https://github.com/rust-lang/rust.vim
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2023-09-12 13:30:02 -07:00
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function! rust#Load()
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" Utility call to get this script loaded, for debugging
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endfunction
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function! rust#GetConfigVar(name, default)
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" Local buffer variable with same name takes predeence over global
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if has_key(b:, a:name)
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return get(b:, a:name)
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endif
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if has_key(g:, a:name)
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return get(g:, a:name)
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endif
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return a:default
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endfunction
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" Include expression {{{1
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function! rust#IncludeExpr(fname) abort
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" Remove leading 'crate::' to deal with 2018 edition style 'use'
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" statements
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let l:fname = substitute(a:fname, '^crate::', '', '')
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" Remove trailing colons arising from lines like
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"
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" use foo::{Bar, Baz};
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let l:fname = substitute(l:fname, ':\+$', '', '')
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" Replace '::' with '/'
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let l:fname = substitute(l:fname, '::', '/', 'g')
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" When we have
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"
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" use foo::bar::baz;
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"
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" we can't tell whether baz is a module or a function; and we can't tell
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" which modules correspond to files.
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"
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" So we work our way up, trying
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"
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" foo/bar/baz.rs
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" foo/bar.rs
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" foo.rs
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while l:fname !=# '.'
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let l:path = findfile(l:fname)
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if !empty(l:path)
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return l:fname
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endif
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let l:fname = fnamemodify(l:fname, ':h')
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endwhile
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return l:fname
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endfunction
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2017-11-06 16:46:08 -07:00
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" Jump {{{1
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function! rust#Jump(mode, function) range
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2023-09-12 13:30:02 -07:00
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let cnt = v:count1
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normal! m'
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if a:mode ==# 'v'
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norm! gv
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endif
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let foldenable = &foldenable
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set nofoldenable
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while cnt > 0
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execute "call <SID>Jump_" . a:function . "()"
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let cnt = cnt - 1
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endwhile
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let &foldenable = foldenable
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2017-11-06 16:46:08 -07:00
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endfunction
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function! s:Jump_Back()
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2023-09-12 13:30:02 -07:00
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call search('{', 'b')
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keepjumps normal! w99[{
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2017-11-06 16:46:08 -07:00
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endfunction
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function! s:Jump_Forward()
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2023-09-12 13:30:02 -07:00
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normal! j0
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call search('{', 'b')
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keepjumps normal! w99[{%
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call search('{')
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2017-11-06 16:46:08 -07:00
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endfunction
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" Run {{{1
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function! rust#Run(bang, args)
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2023-09-12 13:30:02 -07:00
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let args = s:ShellTokenize(a:args)
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if a:bang
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let idx = index(l:args, '--')
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if idx != -1
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let rustc_args = idx == 0 ? [] : l:args[:idx-1]
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let args = l:args[idx+1:]
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else
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let rustc_args = l:args
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let args = []
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endif
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else
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let rustc_args = []
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endif
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let b:rust_last_rustc_args = l:rustc_args
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let b:rust_last_args = l:args
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call s:WithPath(function("s:Run"), rustc_args, args)
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2017-11-06 16:46:08 -07:00
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endfunction
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function! s:Run(dict, rustc_args, args)
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2023-09-12 13:30:02 -07:00
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let exepath = a:dict.tmpdir.'/'.fnamemodify(a:dict.path, ':t:r')
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if has('win32')
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let exepath .= '.exe'
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endif
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let relpath = get(a:dict, 'tmpdir_relpath', a:dict.path)
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let rustc_args = [relpath, '-o', exepath] + a:rustc_args
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let rustc = exists("g:rustc_path") ? g:rustc_path : "rustc"
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let pwd = a:dict.istemp ? a:dict.tmpdir : ''
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let output = s:system(pwd, shellescape(rustc) . " " . join(map(rustc_args, 'shellescape(v:val)')))
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if output !=# ''
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echohl WarningMsg
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echo output
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echohl None
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endif
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if !v:shell_error
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exe '!' . shellescape(exepath) . " " . join(map(a:args, 'shellescape(v:val)'))
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endif
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2017-11-06 16:46:08 -07:00
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endfunction
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" Expand {{{1
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function! rust#Expand(bang, args)
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2023-09-12 13:30:02 -07:00
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let args = s:ShellTokenize(a:args)
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if a:bang && !empty(l:args)
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let pretty = remove(l:args, 0)
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else
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let pretty = "expanded"
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endif
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call s:WithPath(function("s:Expand"), pretty, args)
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2017-11-06 16:46:08 -07:00
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endfunction
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function! s:Expand(dict, pretty, args)
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2023-09-12 13:30:02 -07:00
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try
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let rustc = exists("g:rustc_path") ? g:rustc_path : "rustc"
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if a:pretty =~? '^\%(everybody_loops$\|flowgraph=\)'
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let flag = '--xpretty'
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else
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let flag = '--pretty'
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endif
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let relpath = get(a:dict, 'tmpdir_relpath', a:dict.path)
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let args = [relpath, '-Z', 'unstable-options', l:flag, a:pretty] + a:args
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let pwd = a:dict.istemp ? a:dict.tmpdir : ''
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let output = s:system(pwd, shellescape(rustc) . " " . join(map(args, 'shellescape(v:val)')))
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if v:shell_error
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echohl WarningMsg
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echo output
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echohl None
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else
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new
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silent put =output
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1
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d
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setl filetype=rust
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setl buftype=nofile
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setl bufhidden=hide
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setl noswapfile
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" give the buffer a nice name
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let suffix = 1
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let basename = fnamemodify(a:dict.path, ':t:r')
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while 1
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let bufname = basename
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if suffix > 1 | let bufname .= ' ('.suffix.')' | endif
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let bufname .= '.pretty.rs'
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if bufexists(bufname)
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let suffix += 1
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continue
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endif
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exe 'silent noautocmd keepalt file' fnameescape(bufname)
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break
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endwhile
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endif
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endtry
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2017-11-06 16:46:08 -07:00
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endfunction
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function! rust#CompleteExpand(lead, line, pos)
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2023-09-12 13:30:02 -07:00
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if a:line[: a:pos-1] =~# '^RustExpand!\s*\S*$'
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" first argument and it has a !
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let list = ["normal", "expanded", "typed", "expanded,identified", "flowgraph=", "everybody_loops"]
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if !empty(a:lead)
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call filter(list, "v:val[:len(a:lead)-1] == a:lead")
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endif
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return list
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endif
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return glob(escape(a:lead, "*?[") . '*', 0, 1)
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2017-11-06 16:46:08 -07:00
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endfunction
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" Emit {{{1
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function! rust#Emit(type, args)
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2023-09-12 13:30:02 -07:00
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let args = s:ShellTokenize(a:args)
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call s:WithPath(function("s:Emit"), a:type, args)
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2017-11-06 16:46:08 -07:00
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endfunction
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function! s:Emit(dict, type, args)
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2023-09-12 13:30:02 -07:00
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try
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let output_path = a:dict.tmpdir.'/output'
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let rustc = exists("g:rustc_path") ? g:rustc_path : "rustc"
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let relpath = get(a:dict, 'tmpdir_relpath', a:dict.path)
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let args = [relpath, '--emit', a:type, '-o', output_path] + a:args
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let pwd = a:dict.istemp ? a:dict.tmpdir : ''
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let output = s:system(pwd, shellescape(rustc) . " " . join(map(args, 'shellescape(v:val)')))
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if output !=# ''
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echohl WarningMsg
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echo output
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echohl None
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endif
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if !v:shell_error
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new
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exe 'silent keepalt read' fnameescape(output_path)
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1
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d
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if a:type ==# "llvm-ir"
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setl filetype=llvm
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let extension = 'll'
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elseif a:type ==# "asm"
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setl filetype=asm
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let extension = 's'
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endif
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setl buftype=nofile
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setl bufhidden=hide
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setl noswapfile
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if exists('l:extension')
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" give the buffer a nice name
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let suffix = 1
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let basename = fnamemodify(a:dict.path, ':t:r')
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while 1
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let bufname = basename
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if suffix > 1 | let bufname .= ' ('.suffix.')' | endif
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let bufname .= '.'.extension
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if bufexists(bufname)
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let suffix += 1
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continue
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endif
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exe 'silent noautocmd keepalt file' fnameescape(bufname)
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break
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endwhile
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endif
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endif
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endtry
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2017-11-06 16:46:08 -07:00
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endfunction
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" Utility functions {{{1
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" Invokes func(dict, ...)
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" Where {dict} is a dictionary with the following keys:
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" 'path' - The path to the file
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" 'tmpdir' - The path to a temporary directory that will be deleted when the
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" function returns.
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" 'istemp' - 1 if the path is a file inside of {dict.tmpdir} or 0 otherwise.
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" If {istemp} is 1 then an additional key is provided:
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" 'tmpdir_relpath' - The {path} relative to the {tmpdir}.
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"
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" {dict.path} may be a path to a file inside of {dict.tmpdir} or it may be the
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" existing path of the current buffer. If the path is inside of {dict.tmpdir}
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" then it is guaranteed to have a '.rs' extension.
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function! s:WithPath(func, ...)
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2023-09-12 13:30:02 -07:00
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let buf = bufnr('')
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let saved = {}
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let dict = {}
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try
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let saved.write = &write
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set write
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let dict.path = expand('%')
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let pathisempty = empty(dict.path)
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" Always create a tmpdir in case the wrapped command wants it
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let dict.tmpdir = tempname()
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call mkdir(dict.tmpdir)
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if pathisempty || !saved.write
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let dict.istemp = 1
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" if we're doing this because of nowrite, preserve the filename
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if !pathisempty
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let filename = expand('%:t:r').".rs"
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else
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let filename = 'unnamed.rs'
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endif
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let dict.tmpdir_relpath = filename
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let dict.path = dict.tmpdir.'/'.filename
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let saved.mod = &modified
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set nomodified
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silent exe 'keepalt write! ' . fnameescape(dict.path)
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if pathisempty
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silent keepalt 0file
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endif
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else
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let dict.istemp = 0
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update
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endif
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call call(a:func, [dict] + a:000)
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finally
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if bufexists(buf)
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for [opt, value] in items(saved)
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silent call setbufvar(buf, '&'.opt, value)
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unlet value " avoid variable type mismatches
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endfor
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endif
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if has_key(dict, 'tmpdir') | silent call s:RmDir(dict.tmpdir) | endif
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endtry
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2017-11-06 16:46:08 -07:00
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endfunction
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function! rust#AppendCmdLine(text)
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2023-09-12 13:30:02 -07:00
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call setcmdpos(getcmdpos())
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let cmd = getcmdline() . a:text
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return cmd
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2017-11-06 16:46:08 -07:00
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endfunction
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" Tokenize the string according to sh parsing rules
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function! s:ShellTokenize(text)
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2023-09-12 13:30:02 -07:00
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" states:
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" 0: start of word
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" 1: unquoted
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" 2: unquoted backslash
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" 3: double-quote
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" 4: double-quoted backslash
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" 5: single-quote
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let l:state = 0
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let l:current = ''
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let l:args = []
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for c in split(a:text, '\zs')
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if l:state == 0 || l:state == 1 " unquoted
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if l:c ==# ' '
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if l:state == 0 | continue | endif
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call add(l:args, l:current)
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let l:current = ''
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let l:state = 0
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elseif l:c ==# '\'
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let l:state = 2
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elseif l:c ==# '"'
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let l:state = 3
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elseif l:c ==# "'"
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let l:state = 5
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else
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let l:current .= l:c
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let l:state = 1
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endif
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elseif l:state == 2 " unquoted backslash
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if l:c !=# "\n" " can it even be \n?
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let l:current .= l:c
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endif
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let l:state = 1
|
|
|
|
elseif l:state == 3 " double-quote
|
|
|
|
if l:c ==# '\'
|
|
|
|
let l:state = 4
|
|
|
|
elseif l:c ==# '"'
|
|
|
|
let l:state = 1
|
|
|
|
else
|
|
|
|
let l:current .= l:c
|
|
|
|
endif
|
|
|
|
elseif l:state == 4 " double-quoted backslash
|
|
|
|
if stridx('$`"\', l:c) >= 0
|
|
|
|
let l:current .= l:c
|
|
|
|
elseif l:c ==# "\n" " is this even possible?
|
|
|
|
" skip it
|
|
|
|
else
|
|
|
|
let l:current .= '\'.l:c
|
|
|
|
endif
|
|
|
|
let l:state = 3
|
|
|
|
elseif l:state == 5 " single-quoted
|
|
|
|
if l:c ==# "'"
|
|
|
|
let l:state = 1
|
|
|
|
else
|
|
|
|
let l:current .= l:c
|
|
|
|
endif
|
|
|
|
endif
|
|
|
|
endfor
|
|
|
|
if l:state != 0
|
|
|
|
call add(l:args, l:current)
|
|
|
|
endif
|
|
|
|
return l:args
|
2017-11-06 16:46:08 -07:00
|
|
|
endfunction
|
|
|
|
|
|
|
|
function! s:RmDir(path)
|
2023-09-12 13:30:02 -07:00
|
|
|
" sanity check; make sure it's not empty, /, or $HOME
|
|
|
|
if empty(a:path)
|
|
|
|
echoerr 'Attempted to delete empty path'
|
|
|
|
return 0
|
|
|
|
elseif a:path ==# '/' || a:path ==# $HOME
|
|
|
|
let l:path = expand(a:path)
|
|
|
|
if l:path ==# '/' || l:path ==# $HOME
|
|
|
|
echoerr 'Attempted to delete protected path: ' . a:path
|
|
|
|
return 0
|
|
|
|
endif
|
|
|
|
endif
|
|
|
|
|
|
|
|
if !isdirectory(a:path)
|
|
|
|
return 0
|
|
|
|
endif
|
|
|
|
|
|
|
|
" delete() returns 0 when removing file successfully
|
|
|
|
return delete(a:path, 'rf') == 0
|
2017-11-06 16:46:08 -07:00
|
|
|
endfunction
|
|
|
|
|
|
|
|
" Executes {cmd} with the cwd set to {pwd}, without changing Vim's cwd.
|
|
|
|
" If {pwd} is the empty string then it doesn't change the cwd.
|
|
|
|
function! s:system(pwd, cmd)
|
2023-09-12 13:30:02 -07:00
|
|
|
let cmd = a:cmd
|
|
|
|
if !empty(a:pwd)
|
|
|
|
let cmd = 'cd ' . shellescape(a:pwd) . ' && ' . cmd
|
|
|
|
endif
|
|
|
|
return system(cmd)
|
2017-11-06 16:46:08 -07:00
|
|
|
endfunction
|
|
|
|
|
|
|
|
" Playpen Support {{{1
|
|
|
|
" Parts of gist.vim by Yasuhiro Matsumoto <mattn.jp@gmail.com> reused
|
|
|
|
" gist.vim available under the BSD license, available at
|
|
|
|
" http://github.com/mattn/gist-vim
|
|
|
|
function! s:has_webapi()
|
|
|
|
if !exists("*webapi#http#post")
|
2023-09-12 13:30:02 -07:00
|
|
|
try
|
|
|
|
call webapi#http#post()
|
|
|
|
catch
|
|
|
|
endtry
|
2017-11-06 16:46:08 -07:00
|
|
|
endif
|
|
|
|
return exists("*webapi#http#post")
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
function! rust#Play(count, line1, line2, ...) abort
|
|
|
|
redraw
|
|
|
|
|
|
|
|
let l:rust_playpen_url = get(g:, 'rust_playpen_url', 'https://play.rust-lang.org/')
|
|
|
|
let l:rust_shortener_url = get(g:, 'rust_shortener_url', 'https://is.gd/')
|
|
|
|
|
|
|
|
if !s:has_webapi()
|
2023-09-12 13:30:02 -07:00
|
|
|
echohl ErrorMsg | echomsg ':RustPlay depends on webapi.vim (https://github.com/mattn/webapi-vim)' | echohl None
|
|
|
|
return
|
2017-11-06 16:46:08 -07:00
|
|
|
endif
|
|
|
|
|
|
|
|
let bufname = bufname('%')
|
|
|
|
if a:count < 1
|
2023-09-12 13:30:02 -07:00
|
|
|
let content = join(getline(a:line1, a:line2), "\n")
|
2017-11-06 16:46:08 -07:00
|
|
|
else
|
2023-09-12 13:30:02 -07:00
|
|
|
let save_regcont = @"
|
|
|
|
let save_regtype = getregtype('"')
|
|
|
|
silent! normal! gvy
|
|
|
|
let content = @"
|
|
|
|
call setreg('"', save_regcont, save_regtype)
|
2017-11-06 16:46:08 -07:00
|
|
|
endif
|
|
|
|
|
2023-09-12 13:30:02 -07:00
|
|
|
let url = l:rust_playpen_url."?code=".webapi#http#encodeURI(content)
|
2017-11-06 16:46:08 -07:00
|
|
|
|
2023-09-12 13:30:02 -07:00
|
|
|
if strlen(url) > 5000
|
|
|
|
echohl ErrorMsg | echomsg 'Buffer too large, max 5000 encoded characters ('.strlen(url).')' | echohl None
|
|
|
|
return
|
2017-11-06 16:46:08 -07:00
|
|
|
endif
|
|
|
|
|
2023-09-12 13:30:02 -07:00
|
|
|
let payload = "format=simple&url=".webapi#http#encodeURI(url)
|
2017-11-06 16:46:08 -07:00
|
|
|
let res = webapi#http#post(l:rust_shortener_url.'create.php', payload, {})
|
2023-09-12 13:30:02 -07:00
|
|
|
if res.status[0] ==# '2'
|
|
|
|
let url = res.content
|
|
|
|
endif
|
|
|
|
|
|
|
|
let footer = ''
|
|
|
|
if exists('g:rust_clip_command')
|
|
|
|
call system(g:rust_clip_command, url)
|
|
|
|
if !v:shell_error
|
|
|
|
let footer = ' (copied to clipboard)'
|
|
|
|
endif
|
|
|
|
endif
|
|
|
|
redraw | echomsg 'Done: '.url.footer
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
" Run a test under the cursor or all tests {{{1
|
|
|
|
|
|
|
|
" Finds a test function name under the cursor. Returns empty string when a
|
|
|
|
" test function is not found.
|
|
|
|
function! s:SearchTestFunctionNameUnderCursor() abort
|
|
|
|
let cursor_line = line('.')
|
2017-11-06 16:46:08 -07:00
|
|
|
|
2023-09-12 13:30:02 -07:00
|
|
|
" Find #[test] attribute
|
|
|
|
if search('\m\C#\[test\]', 'bcW') is 0
|
|
|
|
return ''
|
|
|
|
endif
|
|
|
|
|
|
|
|
" Move to an opening brace of the test function
|
|
|
|
let test_func_line = search('\m\C^\s*fn\s\+\h\w*\s*(.\+{$', 'eW')
|
|
|
|
if test_func_line is 0
|
|
|
|
return ''
|
|
|
|
endif
|
|
|
|
|
|
|
|
" Search the end of test function (closing brace) to ensure that the
|
|
|
|
" cursor position is within function definition
|
|
|
|
if maparg('<Plug>(MatchitNormalForward)') ==# ''
|
|
|
|
keepjumps normal! %
|
|
|
|
else
|
|
|
|
" Prefer matchit.vim official plugin to native % since the plugin
|
|
|
|
" provides better behavior than original % (#391)
|
|
|
|
" To load the plugin, run:
|
|
|
|
" :packadd matchit
|
|
|
|
execute 'keepjumps' 'normal' "\<Plug>(MatchitNormalForward)"
|
|
|
|
endif
|
|
|
|
if line('.') < cursor_line
|
|
|
|
return ''
|
|
|
|
endif
|
|
|
|
|
|
|
|
return matchstr(getline(test_func_line), '\m\C^\s*fn\s\+\zs\h\w*')
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
function! rust#Test(mods, winsize, all, options) abort
|
|
|
|
let manifest = findfile('Cargo.toml', expand('%:p:h') . ';')
|
|
|
|
if manifest ==# ''
|
|
|
|
return rust#Run(1, '--test ' . a:options)
|
|
|
|
endif
|
|
|
|
|
|
|
|
" <count> defaults to 0, but we prefer an empty string
|
|
|
|
let winsize = a:winsize ? a:winsize : ''
|
|
|
|
|
|
|
|
if has('terminal')
|
|
|
|
if has('patch-8.0.910')
|
|
|
|
let cmd = printf('%s noautocmd %snew | terminal ++curwin ', a:mods, winsize)
|
|
|
|
else
|
|
|
|
let cmd = printf('%s terminal ', a:mods)
|
|
|
|
endif
|
|
|
|
elseif has('nvim')
|
|
|
|
let cmd = printf('%s noautocmd %snew | terminal ', a:mods, winsize)
|
|
|
|
else
|
|
|
|
let cmd = '!'
|
|
|
|
let manifest = shellescape(manifest)
|
|
|
|
endif
|
|
|
|
|
|
|
|
if a:all
|
|
|
|
if a:options ==# ''
|
|
|
|
execute cmd . 'cargo test --manifest-path' manifest
|
|
|
|
else
|
|
|
|
execute cmd . 'cargo test --manifest-path' manifest a:options
|
|
|
|
endif
|
|
|
|
return
|
|
|
|
endif
|
|
|
|
|
|
|
|
let saved = getpos('.')
|
|
|
|
try
|
|
|
|
let func_name = s:SearchTestFunctionNameUnderCursor()
|
|
|
|
finally
|
|
|
|
call setpos('.', saved)
|
|
|
|
endtry
|
|
|
|
if func_name ==# ''
|
|
|
|
echohl ErrorMsg
|
|
|
|
echomsg 'No test function was found under the cursor. Please add ! to command if you want to run all tests'
|
|
|
|
echohl None
|
|
|
|
return
|
|
|
|
endif
|
|
|
|
if a:options ==# ''
|
|
|
|
execute cmd . 'cargo test --manifest-path' manifest func_name
|
|
|
|
else
|
|
|
|
execute cmd . 'cargo test --manifest-path' manifest func_name a:options
|
|
|
|
endif
|
2017-11-06 16:46:08 -07:00
|
|
|
endfunction
|
|
|
|
|
|
|
|
" }}}1
|
|
|
|
|
2023-09-12 13:30:02 -07:00
|
|
|
" vim: set et sw=4 sts=4 ts=8:
|