From 71fd4db943a0fd7f37e9447c49581aae3f429294 Mon Sep 17 00:00:00 2001 From: Shidong Wang Date: Fri, 15 Oct 2021 22:58:26 +0800 Subject: [PATCH] refactor(lang#lua): use bundle vim-lua plugin --- autoload/SpaceVim/layers/lang/lua.vim | 2 +- bundle/vim-lua/LICENSE | 674 +++++++++++++++++++++ bundle/vim-lua/README.md | 11 + bundle/vim-lua/addon-info.json | 5 + bundle/vim-lua/autoload/lua.vim | 21 + bundle/vim-lua/autoload/lua/fold.vim | 5 + bundle/vim-lua/autoload/lua/omni.vim | 3 + bundle/vim-lua/doc/vim-lua.txt | 49 ++ bundle/vim-lua/ftplugin/lua.vim | 6 + bundle/vim-lua/indent/lua.vim | 116 ++++ bundle/vim-lua/lib/luavi/luacomplete.lua | 734 +++++++++++++++++++++++ bundle/vim-lua/lua/luavi.lua | 82 +++ bundle/vim-lua/lua/luavi/complete.lua | 248 ++++++++ bundle/vim-lua/lua/luavi/fold.lua | 0 bundle/vim-lua/lua/luavi/vimutils.lua | 66 ++ bundle/vim-lua/plugin/lua.vim | 51 ++ bundle/vim-lua/syntax/lua.vim | 247 ++++++++ 17 files changed, 2319 insertions(+), 1 deletion(-) create mode 100644 bundle/vim-lua/LICENSE create mode 100644 bundle/vim-lua/README.md create mode 100644 bundle/vim-lua/addon-info.json create mode 100644 bundle/vim-lua/autoload/lua.vim create mode 100644 bundle/vim-lua/autoload/lua/fold.vim create mode 100644 bundle/vim-lua/autoload/lua/omni.vim create mode 100644 bundle/vim-lua/doc/vim-lua.txt create mode 100644 bundle/vim-lua/ftplugin/lua.vim create mode 100644 bundle/vim-lua/indent/lua.vim create mode 100644 bundle/vim-lua/lib/luavi/luacomplete.lua create mode 100644 bundle/vim-lua/lua/luavi.lua create mode 100644 bundle/vim-lua/lua/luavi/complete.lua create mode 100644 bundle/vim-lua/lua/luavi/fold.lua create mode 100644 bundle/vim-lua/lua/luavi/vimutils.lua create mode 100644 bundle/vim-lua/plugin/lua.vim create mode 100644 bundle/vim-lua/syntax/lua.vim diff --git a/autoload/SpaceVim/layers/lang/lua.vim b/autoload/SpaceVim/layers/lang/lua.vim index d8e7f2575..e65c52ed9 100644 --- a/autoload/SpaceVim/layers/lang/lua.vim +++ b/autoload/SpaceVim/layers/lang/lua.vim @@ -37,7 +37,7 @@ function! SpaceVim#layers#lang#lua#plugins() abort let plugins = [] " Improved Lua 5.3 syntax and indentation support for Vim - call add(plugins, ['wsdjeg/vim-lua', {'on_ft' : 'lua'}]) + call add(plugins, [g:_spacevim_root_dir . 'bundle/vim-lua', {'on_ft' : 'lua'}]) call add(plugins, ['WolfgangMehner/lua-support', {'on_ft' : 'lua'}]) return plugins endfunction diff --git a/bundle/vim-lua/LICENSE b/bundle/vim-lua/LICENSE new file mode 100644 index 000000000..f288702d2 --- /dev/null +++ b/bundle/vim-lua/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. By contrast, +the GNU General Public License is intended to guarantee your freedom to +share and change all versions of a program--to make sure it remains free +software for all its users. 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It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/bundle/vim-lua/README.md b/bundle/vim-lua/README.md new file mode 100644 index 000000000..16ab77485 --- /dev/null +++ b/bundle/vim-lua/README.md @@ -0,0 +1,11 @@ +# vim-lua [![](https://spacevim.org/img/build-with-SpaceVim.svg)](https://spacevim.org) +> lua development plugin for Vim + +![lua](https://user-images.githubusercontent.com/13142418/51436347-3502f780-1cc6-11e9-9ae1-02e1dfa1e165.png) + +#### Features + +- syntax highlight +- indent +- omni complete +- code runner diff --git a/bundle/vim-lua/addon-info.json b/bundle/vim-lua/addon-info.json new file mode 100644 index 000000000..6bfc6ea10 --- /dev/null +++ b/bundle/vim-lua/addon-info.json @@ -0,0 +1,5 @@ +{ + "name": "vim-lua", + "description": "lua development plugin for Vim", + "author": "SpaceVim" +} diff --git a/bundle/vim-lua/autoload/lua.vim b/bundle/vim-lua/autoload/lua.vim new file mode 100644 index 000000000..687c31c90 --- /dev/null +++ b/bundle/vim-lua/autoload/lua.vim @@ -0,0 +1,21 @@ +" source Lua... +if has('lua') + exe 'luafile ' . fnamemodify(expand(''), ':h:h').'/lua/luavi/complete.lua' +endif + + +"" +" @public +" this function is the omnifunc for lua file. to enable lua complete, add this +" to you vimrc. +" > +" augroup vim-lua +" autocmd! +" autocmd FileType lua setlocal omnifunc=lua#complete +" augroup END +" < +function! lua#complete(findstart, base) abort + + return lua#omni#complete(a:findstart, a:base) + +endfunction diff --git a/bundle/vim-lua/autoload/lua/fold.vim b/bundle/vim-lua/autoload/lua/fold.vim new file mode 100644 index 000000000..11bb8b8cb --- /dev/null +++ b/bundle/vim-lua/autoload/lua/fold.vim @@ -0,0 +1,5 @@ +function! lua#fold#foldlevel(linenum) abort + lua require('luavi').fold(require('luavi.vimutils').eval('a:linenum')) +endfunction + + diff --git a/bundle/vim-lua/autoload/lua/omni.vim b/bundle/vim-lua/autoload/lua/omni.vim new file mode 100644 index 000000000..87ad7db52 --- /dev/null +++ b/bundle/vim-lua/autoload/lua/omni.vim @@ -0,0 +1,3 @@ +function! lua#omni#complete(findstart, base) abort + lua require('luavi').complete(require('luavi.vimutils').eval('a:findstart'), require('luavi.vimutils').eval('a:base')) +endfunction diff --git a/bundle/vim-lua/doc/vim-lua.txt b/bundle/vim-lua/doc/vim-lua.txt new file mode 100644 index 000000000..652eb333b --- /dev/null +++ b/bundle/vim-lua/doc/vim-lua.txt @@ -0,0 +1,49 @@ +*vim-lua.txt* lua development plugin for Vim +SpaceVim *vim-lua* + +============================================================================== +CONTENTS *vim-lua-contents* + 1. Introduction..............................................|vim-lua-intro| + 2. Configuration............................................|vim-lua-config| + 3. Functions.............................................|vim-lua-functions| + 4. Mappings...............................................|vim-lua-mappings| + +============================================================================== +INTRODUCTION *vim-lua-intro* + +lua development plugin for vim and neovim. + +============================================================================== +CONFIGURATION *vim-lua-config* + + *g:lua_default_mappings* +Diable/Enable default mappings in lua buffer. +> + mode key functinon + normal fl print functin list +< + +============================================================================== +FUNCTIONS *vim-lua-functions* + +lua#complete({findstart}, {base}) *lua#complete()* + this function is the omnifunc for lua file. to enable lua complete, add this + to you vimrc. +> + augroup vim-lua + autocmd! + autocmd FileType lua setlocal omnifunc=lua#complete + augroup END +< + +============================================================================== +MAPPINGS *vim-lua-mappings* + +luacomplete defined some mappings for lua buffer: +> + PrintFunctionList print functino list + WriteAndLuaFile wirte and luafile +< + + +vim:tw=78:ts=8:ft=help:norl: diff --git a/bundle/vim-lua/ftplugin/lua.vim b/bundle/vim-lua/ftplugin/lua.vim new file mode 100644 index 000000000..49592ae73 --- /dev/null +++ b/bundle/vim-lua/ftplugin/lua.vim @@ -0,0 +1,6 @@ +setlocal omnifunc=lua#complete + +if &l:foldmethod ==# 'expr' + setlocal foldexpr=lua#fold#foldlevel(v:lnum) +endif +setlocal nofoldenable diff --git a/bundle/vim-lua/indent/lua.vim b/bundle/vim-lua/indent/lua.vim new file mode 100644 index 000000000..65e83501a --- /dev/null +++ b/bundle/vim-lua/indent/lua.vim @@ -0,0 +1,116 @@ +" Vim indent file +" Language: Lua +" URL: https://github.com/tbastos/vim-lua + +" Initialization ------------------------------------------{{{1 + +if exists("b:did_indent") + finish +endif +let b:did_indent = 1 + +setlocal autoindent +setlocal nosmartindent + +setlocal indentexpr=GetLuaIndent() +setlocal indentkeys+=0=end,0=until,0=elseif,0=else + +" Only define the function once. +if exists("*GetLuaIndent") + finish +endif + +" Variables -----------------------------------------------{{{1 + +let s:open_patt = '\C\%(\<\%(function\|if\|repeat\|do\)\>\|(\|{\)' +let s:middle_patt = '\C\<\%(else\|elseif\)\>' +let s:close_patt = '\C\%(\<\%(end\|until\)\>\|)\|}\)' + +let s:anon_func_start = '\S\+\s*[({].*\ 0 && contents_prev !~# s:anon_func_end + let i -= 1 + endif + + " if this line closed a paren, indent (except with anon funcs) + call cursor(prev_line, col([prev_line, '$'])) + let num_cur_closed_parens = searchpair('(', '', ')', 'mr', s:skip_expr, v:lnum) + if num_cur_closed_parens > 0 && contents_cur !~# s:anon_func_end + let i += 1 + endif + + " special case: call(with, {anon = function() -- should indent only once + if i > 1 && contents_prev =~# s:anon_func_start + let i = 1 + endif + + " special case: end}) -- end of call w/ anon func should outdent only once + if i < -1 && contents_cur =~# s:anon_func_end + let i = -1 + endif + + " restore cursor + call setpos(".", original_cursor_pos) + + return indent(prev_line) + (shiftwidth() * i) + +endfunction diff --git a/bundle/vim-lua/lib/luavi/luacomplete.lua b/bundle/vim-lua/lib/luavi/luacomplete.lua new file mode 100644 index 000000000..3c2988cfb --- /dev/null +++ b/bundle/vim-lua/lib/luavi/luacomplete.lua @@ -0,0 +1,734 @@ +local PATTERN_LUA_IDENTIFIER = '([%a_]+[%a%d_.]*)' + +local vimutil = require("luavi.vimutils") + + +local __p_counter = 0 +--- Writes given arguments to temporary file adding counting and "\n" when appropriate. Useful when debugging. +-- @param ... anything that a io.write function could accept +local function __p(...) + __p_counter = __p_counter + 1 + local f = io.open("/tmp/lua_omni_out.txt", "a") + if f then + f:write(__p_counter .. ": ") + f:write(...) + local last = select(select("#", ...), ...) + if type(last) == "string" and not string.find(last, "\n$") then + f:write("\n") + end + f:close() + end +end + + +--- Finds all assignments in given buffer and return a table with them with order the closest ones being first. +-- @param buf Vim's buffer to be used as source (current one if absent) +-- @param line line number to be checked for being within function' body +-- @return table with list of assignments +function find_assigments(buf, line) + if not line then + buf = vim.window().buffer + line = vim.window().line + end + buf = buf or vim.buffer() + -- scan from first line + local set = {} + local list = {} + local absidx + + local function add_multi_names(str) + string.gsub(str, '([^, ]+)', function(s) + if not set[s] or (set[s] > absidx) then + set[s] = absidx + table.insert(list, s) + end + end) + end + + for lineidx = 1, #buf do + local sts = string.match(buf[lineidx], PATTERN_LUA_IDENTIFIER .. '%s*=[^=]?.*$') + -- collect assignments with relative line numbers + absidx = math.abs(line - lineidx) + if sts and (not set[sts] or (set[sts] > absidx)) then + -- set new key or replace but only if the new absolute index is smaller + set[sts] = absidx + table.insert(list, sts) + end + -- Check for variables defined without assignments as local. It may + -- generate redundant match but conditions in gsub's argument functions + -- will make it get correct results. + sts = string.match(buf[lineidx], 'local%s+([^=]+)') + if sts then add_multi_names(sts) end + -- matching variables initialized in generic for loop + sts = string.match(buf[lineidx], 'for%s+(.*)%s+in') + if sts then add_multi_names(sts) end + -- function names matching + sts = string.match(buf[lineidx], 'function%s+(' .. PATTERN_LUA_IDENTIFIER .. ')%s*%(') + if sts and (not set[sts] or (set[sts] > absidx)) then + -- set new key or replace but only if the new absolute index is smaller + set[sts] = absidx + table.insert(list, sts) + end + -- check for variables defined in functions statements + sts = string.match(buf[lineidx], 'function%s*[^(]*%(([^)]+)%)') + if sts then add_multi_names(sts) end + end + -- sort list using set's absolute indexes in comparator + table.sort(list, function(v1, v2) return set[v1] < set[v2] end) + return list +end + + +--- Escape Lua pattern magic characters "[().%+-*?[^$]" using escape "%". +-- @param s a string to be escaped +-- @return just an escaped string +function escape_magic_chars(s) + assert(type(s) == "string", "s must be a string!") + + return (string.gsub(s, '([().%+-*?[^$])', '%%%1')) +end + + +--- Replaces "*" and "." characters to more fitting Lua pattern ones. +-- @param s a string +-- @return pattern +function glob_to_pattern(s) + assert(type(s) == "string", "s must be a string!") + + local pat = string.gsub(s, '.', function(c) + if c == "*" then + return '.-' + elseif c == '?' then + return '.' + else return escape_magic_chars(c) end + end) + return pat +end + + +--- Iterator which walks over a Vim buffer. +-- @param buf buffer to be used as source +-- @return next buffer's line +function line_buf_iter(buf) + buf = buf or vim.buffer() + local lineidx = 0 + return function() + lineidx = lineidx + 1 + if lineidx <= #buf then + return buf[lineidx] + end + end +end + + +-- The completion functionality ------------------------------------------------ + + +--- Search for a single part path in _G environment. +-- Nested tables aren't supported. +-- @param pat path to be used in search +-- @return Table with list of k, v pairs. +-- k is function, table, or just variable) name. +-- v is an actual object reference. +function find_completions1(pat) + local comps = {} + for k, v in pairs(_G) do + if string.find(k, "^" .. pat) then + table.insert(comps, {k, v}) + end + end + return comps +end + + +--- Search for multi level paths starting from _G environment. +-- @param pat path to be used in search +-- @return Table with list of k, v pairs. +-- k is function, table, or just variable name (however it's absolute path). +-- v is an actual object reference. +function find_completions2(pat) + local results = {} + -- split path pattern into levels + local levels = {} + for lev in string.gmatch(pat, "[^%.]+") do + table.insert(levels, lev) + end + -- if the last character in pat is '.' and matching all level + if string.sub(pat, -1) == "." then + table.insert(levels, ".*") + end + + -- set prepath if there are multiple levels (used for generating absolute paths) + local prepath = #levels > 1 and table.concat(slice(levels, 1, #levels - 1), ".") .. "." or "" + -- find target table namespace + local where = _G + for i, lev in ipairs(levels) do + if i < #levels then -- not last final path's part? + local w = where[lev] + if w and type(w) == "table" then -- going into inner table/namespace? + where = w + else -- not, path is incorrect! + break + end + else -- the last part of path + for k, v in pairs(where) do + if string.find(k, "^" .. lev) then -- final names search... + table.insert(results, {prepath .. k, v}) + end + end + end + end + return results +end + + +--- Returns a list with paths to files with additional path for Lua omnicompletion. +function lua_omni_files() + local list = {} + -- first check LUA_OMNI shell variable + string.gsub(vim.eval("$LUA_OMNI") or "", '([^ ;,]+)', function(s) table.insert(list, s) end) + -- Next try b:lua_omni buffer variable or... + if vim.eval('exists("b:lua_omni")') == 1 then + string.gsub(vim.eval("b:lua_omni") or "", '([^ ;,]+)', function(s) table.insert(list, s) end) + -- there isn't buffer's var check for global one. + elseif vim.eval('exists("g:lua_omni")') == 1 then + string.gsub(vim.eval("g:lua_omni") or "", '([^ ;,]+)', function(s) table.insert(list, s) end) + end + return list +end + + +--- Search for paths in _G environment table and returns ones matching given pattern. +-- @param pat a pattern +-- @return list of matching paths from _G +function find_completions3(pat) + local flat = {} + local visited = {} + local count = 0 + + function flatten_recursively(t, lvl) + lvl = lvl or "" + -- just to be safe... + if count > 10000 then return end + + for k, v in pairs(t) do + -- for safe measure above + count = count + 1 + if type(k) == "string" then + table.insert(flat, #lvl > 0 and lvl .. "." .. k or k) + end + -- Inner table but do it recursively only when this run hasn't found it + -- already. + if type(v) == "table" and not visited[v] then + -- check to avoid in recursive call + visited[v] = true + if type(k) == "string" then + flatten_recursively(v, #lvl > 0 and lvl .. "." .. k or k) + end + -- Uncheck to allow to visit the same table but from different path. + visited[v] = nil + end + end + end + + -- start from _G + flatten_recursively(_G) + + -- add paths from file(s) + local pathfiles = lua_omni_files() + for _, fname in ipairs(pathfiles) do + -- there is chance that filename is invalid so guard for error + local res, err = pcall(function() + for line in io.lines(fname) do + -- trim line + line = string.gsub(line, "^%s-(%S.-)%s-$", "%1") + -- put every line as path + table.insert(flat, line) + end + end) + -- If pcall above did catch error then echo about it. + if not res then vim.command('echoerr "' .. tostring(err) .. '"') end + end + + local res = {} + -- match paths with pattern + for _, v in ipairs(flat) do + if string.match(v, pat) then table.insert(res, v) end + end + + return res +end + + +--- Utility function to be used with Vim's completefunc. +function completion_findstart() + local w = vim.window() + local buf = w.buffer + local line = buf[w.line] + for i = w.col - 1, 1, -1 do + local c = string.sub(line, i, i) + -- "*" and "?" may be used by glob pattern + if string.find(c, "[^a-zA-Z0-9_%.*?]") then + return i + end + end + return 0 +end + + +--- Find matching completions. +-- @param base a base to which complete +-- @return list with possible (string) abbreviations +function complete_base_string(base) + local t = {} + + if type(base) == "string" then + -- completion using _G environment + -- obsolete the new version seems better +-- local comps = find_completions2(base) +-- for _, v in pairs(comps) do +-- table.insert(t, v[1]) +-- end +-- table.sort(t) + + local sortbylen = false + local pat = string.match(base, '^[%a_][%a%d_]*$') + if pat then -- single word completion + pat = ".*" .. escape_magic_chars(pat) .. ".*" + sortbylen = true + else -- full completion + pat = glob_to_pattern(base) + if not string.match(pat, '%.%*$') then pat = pat .. '.*' end + end + -- try to find something matching... + t = find_completions3("^" .. pat .. "$") + -- in a case no results were found try to expand dots + if #t == 0 then + pat = string.gsub(base, "%.", "[^.]*%%.") .. '.*' + t = find_completions3("^" .. pat .. "$") + end + + -- For single word matches it's more convenient to have results sorted by + -- their string length. + if sortbylen then + table.sort(t, function(o1, o2) + o1 = o1 or "" + o2 = o2 or "" + local l1 = string.len(o1) + local l2 = string.len(o2) + return l1 < l2 + end) + else + table.sort(t) + end + + -- Always do variable assignments matching per buffer now as + -- find_assigments will return most close assignments first. + local assigments = {} + for i, v in ipairs(find_assigments()) do + if string.find(v, "^" .. base) then table.insert(assigments, v) end + end + t = merge_list(assigments, t) + end + return t +end + + +--- To be called within CompleteLua Vim function. +function completefunc_luacode() + -- getting arguments from Vim function + local findstart = vim.eval("a:findstart") + local base = vim.eval("a:base") + -- this function is called twice - first for finding range in line to complete + if findstart == 1 then + vim.command("return " .. completion_findstart()) + else -- the second run - do proper complete + local comps = complete_base_string(base) + for i = 1, #comps do comps[i] = "'" .. comps[i] .. "'" end + -- returning + vim.command("return [" .. table.concat(comps, ", ") .. "]") + end +end + + +-- The outline window. --------------------------------------------------------- + +--- Get a list of Lua defined functions in a buffer. +-- @param buf a buffer to be used (parsed?) for doing funcs list (optional, if +-- absent then use current one) +-- @return list of {linenumber, linecontent} tables +function function_list(buf) + local funcs = {} + local linenum = 0 + for line in line_buf_iter(buf) do + linenum = linenum + 1 + if string.find(line, "^%s-function%s+") then + funcs[#funcs + 1] = {linenum, line} + end + -- TODO reuse later +-- local funcname = string.match(buf[lineidx], "function%s+" .. PATTERN_LUA_IDENTIFIER .. "%s*%(") +-- if funcname then +-- table.insert(funcs, funcname) +-- else +-- funcname = string.match(buf[lineidx], PATTERN_LUA_IDENTIFIER .. "%s*=%s*function%s*%(") +-- if funcname then +-- table.insert(funcs, funcname) +-- end +-- end + end + return funcs +end + + +--- Prints list of function within Vim buffer. +-- The output format is line_number: function func_name __spaces__ function's title (if exists) +-- @param buf buffer to be used as source +function print_function_list(buf) + local funclist = function_list(buf) + if #funclist > 0 then + local countsize = #tostring(funclist[#funclist][1]) + for i, f in ipairs(funclist) do + if i == 1 then print("line: function definition...") end + -- try to get any doc about function... + local doc = func_doc(f[1]) + local title = string.gmatch(doc["---"] or "", "[^\n]+") + title = title and title() or nil + local s = string.format("%" .. countsize .. "d: %-" .. (40 - countsize) .. "s %s", f[1], f[2], + (title or "")) + print(s) + end + else + print "no functions found..." + end +end + + +--- Checks if current line lies in function definition. +-- Depends on usual code formating where "function" and "end" statements start +-- at first column. +-- @param buf Vim's buffer to be used as source (current one if absent) +-- @param line line number to be checked for being within function' body +-- @return funcstart, funcend pair or nil, nil if line is outside a function +function in_func_body(buf, line) + if not line then + buf = vim.window().buffer + line = vim.window().line + end + buf = buf or vim.buffer() + -- search for function definition first + local funcstart + for lineidx = line, 1, -1 do + -- If iterating back end at first column is found, then it's outside + -- function. + if string.find(buf[lineidx], "^end") then break end + if string.find(buf[lineidx], "^function") then + funcstart = lineidx + break + end + end + -- search for the function's closing "end" + -- (depends on an usual formating, doesn't count code chunks) + local funcend + if funcstart then -- search for function's end only when start was found... + for lineidx = line + 1, #buf do + if string.find(buf[lineidx], "^end") then + funcend = lineidx + break + end + end + end + return funcstart, funcend +end + + +--- Search for variable assignments in a Vim buffer within given line range. +-- @param buf Vim buffer to be used +-- @param startline line number from search of assignments will begin +-- @param endline line number to search of assignments will end +-- @return table with list of found variable names +function search_assignments1(buf, startline, endline) + assert(type(buf) == "userdata", "buf must be a Vim buffer!") + assert(type(startline) == "number", "startline must be a number!") + assert(type(endline) == "number", "endline must be a number!") + assert(startline < endline, "startline must precede endline!") + + -- assignment has a forms like: + -- varname = something + -- varname1[, varname2[, varname3]] = something1[, something2[, something3]] + -- lets assume that there is only one "=" per line + -- visibility of closures by dammed (for now...) + local assignments = {} + -- Patterns have list of patterns matching variable definitions. The first + -- must be the usual "varname = something" type. + local patterns = {"([%w,%s_,]-[^=])=([^=].-)", -- check if there is assignment in a line + "for%s+(.-)%s+in%s+(.-)", -- check if there are variable definitions in "for ... in" loop + "function%s%s-[%w-_]-%s-%((.-)%)"} -- check if there are variable set in function definition + + for lineidx = startline, endline - 1 do + -- filter out eventual comments + local line = string.gsub(buf[lineidx], "%s*%-%-.*$", "") + -- Search for assignments, variable definitions in "for in" and in + -- function statements. + for i, pat in ipairs(patterns) do + local s, e, pre, post = string.find(" " .. line .. " ", "%s" .. pat .. "%s") + if pre then + -- if subnum is 1 then assignment is local + local line, subnum + if i == 1 then -- only assignments can have local/not local variety + line, subnum = string.gsub(pre, "local%s+", "") + else + line = pre + end + -- just store variable names in a set + for varname in string.gmatch(line, "[^, \t]+") do assignments[varname] = true end + end + end + + end + -- convert set to a list + local assignmentlist = {} + for k, v in pairs(assignments) do table.insert(assignmentlist, k) end + return assignmentlist +end + + +--- Miscellaneous. ------------------------------------------------------------- + +--- Prints keys within a table (or environment). Similar to Python's dir. +-- @param t should be a table or a nil +function dir(t) + if t == nil then + t = _G + assert(type(t) == "table", "t should be a table!") + elseif type(t) == "table" then + for k, v in pairs(t) do + -- TODO commit to main directory + -- if value is a string and it's too long then trim it + if type(v) == "string" and string.len(v) > 150 then + v = string.sub(v, 1, 150) .. "..." + end + -- TODO end + print(k .. ":", v) + end + end +end + + +--- Prints keys of internal Vim's vim Lua module. +function dir_vim() + for k, v in pairs(vim) do + local ty = type(v) + if ty == "function" or ty == "string" or ty == "number" then + print(k) + end + end +end + + +--- Slice function operating on tables. +-- Minus indexes aren't supported (yet...). +-- @param t a table to be sliced +-- @param s the starting index of slice (inclusive) +-- @param s the ending index of slice (inclusive) +-- @return a new table containing a slice from t +function slice(t, s, e) + assert(type(t) == "table", "t should be a table!") + s = s or 1 + e = e or #t + local sliced = {} + for idx = s, e do + if t[idx] then table.insert(sliced, t[idx]) end + end + return sliced +end + + +--- Merges multiple tables as lists. +-- @return resulting list have merged arguments from left to right in ascending order +function merge_list(...) + local res = {} + for idx = 1, select("#", ...) do + local t = select(idx, ...) + if type(t) == "table" then + for i, v in ipairs(t) do table.insert(res, v) end + else + table.insert(res, t) + end + end + return res +end + + +--- Returns list of active windows in a current tab. +-- @return vim.window like tables with similar keys +function window_list() + local idx = 1 + local winlist = {} + while true do + local w = vim.window(idx) + if not w then break end + winlist[#winlist + 1] = {line = w.line, col = w.col, width = w.width, + height = w.height, firstline = w.buffer[1], + currentline = w.buffer[w.line]} + idx = idx + 1 + end + return winlist +end + + +--- Just prints current window list. +function print_window_list() + local wincount + for i, w in ipairs(window_list()) do + if i == 1 then print("win number, line, col, width, height :current line content...") end + print(string.format("%02d: %s", i, w.currentline)) + wincount = i + end + if not wincount then print("no windows found (how it's possible?!)...") end +end + + +--- Try to parse function documentation using luadoc format. +-- At first it wasn't easy to write, but after some thought I had it done +-- in quite efficient way (I think :). +-- @param line starting line of function which luadoc to parse +-- @param buf Vim's buffer to be used as source (current one if absent) +-- @return table containing k/v pairs analogous to luadoc's "@" flags +function func_doc(line, buf) + buf = buf or vim.buffer() + assert(type(line) == "number", "line must be a number!") + assert(line >= 1 and line <= #buf, "line should be withing range of buffer's lines!") + local curlines, doc = {}, {} + for l = line - 1, 1, -1 do + local spciter = string.gmatch(buf[l], "%S+") + local pre = spciter() + local flag, fvalue, rest + if pre == "---" then + rest = table.concat(iter_to_table(spciter), " ") + table.insert(curlines, rest) + doc["---"] = curlines + elseif pre == "--" then + flag = spciter() + if string.sub(flag, 1, 1) == "@" then + fvalue = spciter() + rest = table.concat(iter_to_table(spciter), " ") + table.insert(curlines, rest) + doc[flag .. ":" .. fvalue] = curlines + curlines = {} + else + rest = table.concat(iter_to_table(spciter), " ") + table.insert(curlines, rest) + end + else + break + end + end + -- post reverse and concat doc's strings + for k, t in pairs(doc) do + local reversed = {} + for i = 1, #t do reversed[i] = t[#t - i + 1] end -- reverse accumulated lines + doc[k] = table.concat(reversed, "\n") + end + return doc +end + + +--- Translates iterator function into a table. +-- @param iter iterator function +-- @return table populated by iterator +function iter_to_table(iter) + assert(type(iter) == "function", "iter has to be a function!") + local t = {} + local idx = 0 + for v in iter do + idx = idx + 1 + t[idx] = v + end + return t +end + + +--- Iterator which scans Vim buffer and returns on each call a supposed fold level, line number and line itself. Parsing is simplified but should be good enough for most of the time. +-- @param buf a Vim buffer to scan, nil for current buffer +-- @param fromline a line number from which scanning starts, nil for 1 +-- @param toline a line number at which scanning stops, nil for the last buffer's line +-- @return fold level, line number, line's content +function fold_iter(buf, fromline, toline) + assert(fromline == nil or type(fromline) == "number", "fromline must be a number if specified!") + buf = buf or vim.buffer() + toline = toline or #buf + assert(type(toline) == "number", "toline must be a number if specified!") + + local lineidx = fromline and (fromline - 1) or 0 + -- to remember consecutive folds + local foldlist = {} + -- closure blocks opening/closing statements + local patterns = {{"do", "end"}, + {"repeat", "until%s+.+"}, + {"if%s+.+%s+then", "end"}, + {"for%s+.+%s+do", "end"}, + {"function.+", "end"}, + {"return%s+function.+", "end"}, + {"local%s+function%s+.+", "end"}, + } + + return function() + lineidx = lineidx + 1 + if lineidx <= toline then + -- search for one of blocks statements + for i, t in ipairs(patterns) do + -- add whole line anchors + local tagopen = '^%s*' .. t[1] .. '%s*$' + local tagclose = '^%s*' .. t[2] .. '%s*$' + -- try to find opening statement + if string.find(buf[lineidx], tagopen) then + -- just remember it + table.insert(foldlist, t) + elseif string.find(buf[lineidx], tagclose) then -- check for closing statement + -- Proceed only if there is unclosed block in foldlist and its + -- closing statement matches. + if #foldlist > 0 and string.find(buf[lineidx], foldlist[#foldlist][2]) then + table.remove(foldlist) + -- Add 1 to foldlist length (synonymous to fold level) to include + -- closing statement in the fold too. + return #foldlist + 1, lineidx, buf[lineidx] + else + -- An incorrect situation where opening/closing statements didn't + -- match (probably due to malformed formating or erroneous code). + -- Just "reset" foldlist. + foldlist = {} + end + end + end + -- #foldlist is fold level + return #foldlist, lineidx, buf[lineidx] + end + end +end + + +--- A Lua part to be called from Vim script FoldLuaLevel function used by foldexpr option. It returns fold level for given line number. +function foldlevel_luacode() + local linenum = vim.eval("a:linenum") + assert(type(linenum) == "number", "linenum must be a number!") + + -- by default don't make nested folds + local innerfolds = false + -- though a configuration variable can enable it + if vim.eval('exists("b:lua_inner_folds")') == 1 then + innerfolds = vim.eval('b:lua_inner_folds') == 1 + elseif vim.eval('exists("g:lua_inner_folds")') == 1 then + innerfolds = vim.eval('g:lua_inner_folds') == 1 + end + __p("innerfolds " .. tostring(innerfolds)) + -- Iterate over line fold levels to find that one for which Vim is asking. + -- TODO It's repetitively inefficient - perhaps some kind of caching would + -- be beneficial? + for lvl, lineidx in fold_iter() do + if lineidx == linenum then + vim.command("return " .. (innerfolds and lvl or (lvl > 1 and 1 or lvl))) + break + end + end +end + diff --git a/bundle/vim-lua/lua/luavi.lua b/bundle/vim-lua/lua/luavi.lua new file mode 100644 index 000000000..93fe4e7de --- /dev/null +++ b/bundle/vim-lua/lua/luavi.lua @@ -0,0 +1,82 @@ +luavi = {} + +local complete = require('luavi.complete') + +function luavi.complete(findstart, base) + complete.complete(findstart, base) +end + +local function fold_iter(buf, fromline, toline) + assert(fromline == nil or type(fromline) == "number", "fromline must be a number if specified!") + buf = buf or vimutils.current_buffer() + toline = toline or #buf + assert(type(toline) == "number", "toline must be a number if specified!") + + local lineidx = fromline and (fromline - 1) or 0 + -- to remember consecutive folds + local foldlist = {} + -- closure blocks opening/closing statements + local patterns = {{"do", "end"}, + {"repeat", "until%s+.+"}, + {"if%s+.+%s+then", "end"}, + {"for%s+.+%s+do", "end"}, + {"function.+", "end"}, + {"return%s+function.+", "end"}, + {"local%s+function%s+.+", "end"}, + } + + return function() + lineidx = lineidx + 1 + if lineidx <= toline then + -- search for one of blocks statements + for i, t in ipairs(patterns) do + -- add whole line anchors + local tagopen = '^%s*' .. t[1] .. '%s*$' + local tagclose = '^%s*' .. t[2] .. '%s*$' + -- try to find opening statement + if string.find(buf[lineidx], tagopen) then + -- just remember it + table.insert(foldlist, t) + elseif string.find(buf[lineidx], tagclose) then -- check for closing statement + -- Proceed only if there is unclosed block in foldlist and its + -- closing statement matches. + if #foldlist > 0 and string.find(buf[lineidx], foldlist[#foldlist][2]) then + table.remove(foldlist) + -- Add 1 to foldlist length (synonymous to fold level) to include + -- closing statement in the fold too. + return #foldlist + 1, lineidx, buf[lineidx] + else + -- An incorrect situation where opening/closing statements didn't + -- match (probably due to malformed formating or erroneous code). + -- Just "reset" foldlist. + foldlist = {} + end + end + end + -- #foldlist is fold level + return #foldlist, lineidx, buf[lineidx] + end + end +end + +function luavi.fold(linenum) + assert(type(linenum) == "number", "linenum must be a number!") + + -- by default don't make nested folds + local innerfolds = false + -- though a configuration variable can enable it + if vimutils.eval('exists("b:lua_inner_folds")') == 1 then + innerfolds = vimutils.eval('b:lua_inner_folds') == 1 + elseif vimutils.eval('exists("g:lua_inner_folds")') == 1 then + innerfolds = vimutils.eval('g:lua_inner_folds') == 1 + end + + for lvl, lineidx in fold_iter() do + if lineidx == linenum then + vim.command("return " .. (innerfolds and lvl or (lvl > 1 and 1 or lvl))) + break + end + end +end + +return luavi diff --git a/bundle/vim-lua/lua/luavi/complete.lua b/bundle/vim-lua/lua/luavi/complete.lua new file mode 100644 index 000000000..9dd30df3c --- /dev/null +++ b/bundle/vim-lua/lua/luavi/complete.lua @@ -0,0 +1,248 @@ +local PATTERN_LUA_IDENTIFIER = '([%a_]+[%a%d_.]*)' + +complete = {} + +local vimutil = require('luavi.vimutils') + +local function merge_list(...) + local res = {} + for idx = 1, select("#", ...) do + local t = select(idx, ...) + if type(t) == "table" then + for i, v in ipairs(t) do table.insert(res, v) end + else + table.insert(res, t) + end + end + return res +end + +local function find_assigments(buf, line) + if not line then + buf = vimutils.current_buffer() + -- line = current line number + line = vimutils.current_linenr() + end + buf = buf or vimutils.current_buffer() + -- scan from first line + local set = {} + local list = {} + local absidx + + local function add_multi_names(str) + string.gsub(str, '([^, ]+)', function(s) + if not set[s] or (set[s] > absidx) then + set[s] = absidx + table.insert(list, s) + end + end) + end + + for lineidx = 1, #buf do + local sts = string.match(buf[lineidx], PATTERN_LUA_IDENTIFIER .. '%s*=[^=]?.*$') + -- collect assignments with relative line numbers + absidx = math.abs(line - lineidx) + if sts and (not set[sts] or (set[sts] > absidx)) then + -- set new key or replace but only if the new absolute index is smaller + set[sts] = absidx + table.insert(list, sts) + end + -- Check for variables defined without assignments as local. It may + -- generate redundant match but conditions in gsub's argument functions + -- will make it get correct results. + sts = string.match(buf[lineidx], 'local%s+([^=]+)') + if sts then add_multi_names(sts) end + -- matching variables initialized in generic for loop + sts = string.match(buf[lineidx], 'for%s+(.*)%s+in') + if sts then add_multi_names(sts) end + -- function names matching + sts = string.match(buf[lineidx], 'function%s+(' .. PATTERN_LUA_IDENTIFIER .. ')%s*%(') + if sts and (not set[sts] or (set[sts] > absidx)) then + -- set new key or replace but only if the new absolute index is smaller + set[sts] = absidx + table.insert(list, sts) + end + -- check for variables defined in functions statements + sts = string.match(buf[lineidx], 'function%s*[^(]*%(([^)]+)%)') + if sts then add_multi_names(sts) end + end + -- sort list using set's absolute indexes in comparator + table.sort(list, function(v1, v2) return set[v1] < set[v2] end) + return list +end + + +local function lua_omni_files() + local list = {} + -- first check LUA_OMNI shell variable + string.gsub(vimutils.eval("$LUA_OMNI") or "", '([^ ;,]+)', function(s) table.insert(list, s) end) + -- Next try b:lua_omni buffer variable or... + if vimutils.eval('exists("b:lua_omni")') == 1 then + string.gsub(vimutils.eval("b:lua_omni") or "", '([^ ;,]+)', function(s) table.insert(list, s) end) + -- there isn't buffer's var check for global one. + elseif vimutils.eval('exists("g:lua_omni")') == 1 then + string.gsub(vimutils.eval("g:lua_omni") or "", '([^ ;,]+)', function(s) table.insert(list, s) end) + end + return list +end + +local function completion_findstart() + local line = vimutil.get_current_line() + local col = vimutils.eval('col(".")') + for i = col - 1, 1, -1 do + local c = string.sub(line, i, i) + -- "*" and "?" may be used by glob pattern + if string.find(c, "[^a-zA-Z0-9_%.*?]") then + return i + end + end + return 0 +end + +local function escape_magic_chars(s) + assert(type(s) == "string", "s must be a string!") + + return (string.gsub(s, '([().%+-*?[^$])', '%%%1')) +end + +local function glob_to_pattern(s) + assert(type(s) == "string", "s must be a string!") + + local pat = string.gsub(s, '.', function(c) + if c == "*" then + return '.-' + elseif c == '?' then + return '.' + else return escape_magic_chars(c) end + end) + return pat +end + +local function find_completions3(pat) + local flat = {} + local visited = {} + local count = 0 + + function flatten_recursively(t, lvl) + lvl = lvl or "" + -- just to be safe... + if count > 10000 then return end + + for k, v in pairs(t) do + -- for safe measure above + count = count + 1 + if type(k) == "string" then + table.insert(flat, #lvl > 0 and lvl .. "." .. k or k) + end + -- Inner table but do it recursively only when this run hasn't found it + -- already. + if type(v) == "table" and not visited[v] then + -- check to avoid in recursive call + visited[v] = true + if type(k) == "string" then + flatten_recursively(v, #lvl > 0 and lvl .. "." .. k or k) + end + -- Uncheck to allow to visit the same table but from different path. + visited[v] = nil + end + end + end + + -- start from _G + flatten_recursively(_G) + + -- add paths from file(s) + local pathfiles = lua_omni_files() + for _, fname in ipairs(pathfiles) do + -- there is chance that filename is invalid so guard for error + local res, err = pcall(function() + for line in io.lines(fname) do + -- trim line + line = string.gsub(line, "^%s-(%S.-)%s-$", "%1") + -- put every line as path + table.insert(flat, line) + end + end) + -- If pcall above did catch error then echo about it. + if not res then vimutils.command('echoerr "' .. tostring(err) .. '"') end + end + + local res = {} + -- match paths with pattern + for _, v in ipairs(flat) do + if string.match(v, pat) then table.insert(res, v) end + end + + return res +end + +local function complete_base_string(base) + local t = {} + + if type(base) == "string" then + -- completion using _G environment + -- obsolete the new version seems better + -- local comps = find_completions2(base) + -- for _, v in pairs(comps) do + -- table.insert(t, v[1]) + -- end + -- table.sort(t) + + local sortbylen = false + local pat = string.match(base, '^[%a_][%a%d_]*$') + if pat then -- single word completion + pat = ".*" .. escape_magic_chars(pat) .. ".*" + sortbylen = true + else -- full completion + pat = glob_to_pattern(base) + if not string.match(pat, '%.%*$') then pat = pat .. '.*' end + end + -- try to find something matching... + t = find_completions3("^" .. pat .. "$") + -- in a case no results were found try to expand dots + if #t == 0 then + pat = string.gsub(base, "%.", "[^.]*%%.") .. '.*' + t = find_completions3("^" .. pat .. "$") + end + + -- For single word matches it's more convenient to have results sorted by + -- their string length. + if sortbylen then + table.sort(t, function(o1, o2) + o1 = o1 or "" + o2 = o2 or "" + local l1 = string.len(o1) + local l2 = string.len(o2) + return l1 < l2 + end) + else + table.sort(t) + end + + -- Always do variable assignments matching per buffer now as + -- find_assigments will return most close assignments first. + local assigments = {} + for i, v in ipairs(find_assigments()) do + if string.find(v, "^" .. base) then table.insert(assigments, v) end + end + t = merge_list(assigments, t) + end + return t +end + + + +function complete.complete(findstart, base) + -- this function is called twice - first for finding range in line to complete + if findstart == 1 then + vimutil.command("return " .. completion_findstart()) + else -- the second run - do proper complete + local comps = complete_base_string(base) + for i = 1, #comps do comps[i] = "'" .. comps[i] .. "'" end + -- returning + vimutil.command("return [" .. table.concat(comps, ", ") .. "]") + end +end + + +return complete diff --git a/bundle/vim-lua/lua/luavi/fold.lua b/bundle/vim-lua/lua/luavi/fold.lua new file mode 100644 index 000000000..e69de29bb diff --git a/bundle/vim-lua/lua/luavi/vimutils.lua b/bundle/vim-lua/lua/luavi/vimutils.lua new file mode 100644 index 000000000..c80a9a46d --- /dev/null +++ b/bundle/vim-lua/lua/luavi/vimutils.lua @@ -0,0 +1,66 @@ +vimutils = {} + +vimutils.constant = "hello" + +function table.has_key(test_table, test_key) + for key, value in pairs(test_table) do + if key == test_key then + return true + end + end + return false +end + +local is_nvim = table.has_key(vim, 'api') + +function vimutils.command(cmd) + if is_nvim then + vim.api.nvim_command(cmd) + else + vim.command(cmd) + end +end + + +function vimutils.eval(expr) + if is_nvim then + return vim.api.nvim_eval(expr) + else + return vim.eval(expr) + end +end + + +function vimutils.get_current_line() + if is_nvim then + return vim.api.nvim_get_current_line() + else + return vim.window().line + end +end + +local buffer_metatables = { + __index = function (self, line) + return vim.api.nvim_buf_get_lines(self._bufnr, 0, -1, 0)[line] + end, + __len = function (self) + return #vim.api.nvim_buf_get_lines(self._bufnr, 0, -1, 0) + end +} + +function vimutils.current_buffer() + if is_nvim then + local buffer = {} + buffer._bufnr = vim.api.nvim_get_current_buf() + setmetatable(buffer, buffer_metatables) + return buffer + else + return vim.window().buffer + end +end + +function vimutils.current_linenr() + return vimutils.eval('line(".")') +end + +return vimutils diff --git a/bundle/vim-lua/plugin/lua.vim b/bundle/vim-lua/plugin/lua.vim new file mode 100644 index 000000000..b9707f4c8 --- /dev/null +++ b/bundle/vim-lua/plugin/lua.vim @@ -0,0 +1,51 @@ +"" +" @section Introduction, intro +" @order intro mappings +" lua development plugin for vim and neovim. + + +" check if Vim is in correct version and has Lua support +if v:version < 703 + finish +endif +if !has('lua') && !has('nvim') + finish +endif + +if !has('nvim') && has('lua') + " add lua path + let s:plugin_dir = fnamemodify(expand(''), ':h:h').'\lua' + let s:str = s:plugin_dir . '\?.lua;' . s:plugin_dir . '\?\init.lua;' + lua package.path=vim.eval("s:str") .. package.path +endif + +" save and reset compatibility options +let s:save_cpo = &cpo +set cpo&vim + +if exists('g:luacomplete_loaded') + finish +else + let g:luacomplete_loaded = 1 +endif + +"" +" Diable/Enable default mappings in lua buffer. +" > +" mode key functinon +" normal fl print functin list +" < +let g:lua_default_mappings = 0 + +"" +" @section Mappings, mappings +" luacomplete defined some mappings for lua buffer: +" > +" PrintFunctionList print functino list +" WriteAndLuaFile wirte and luafile +" < + +noremap