snip for continue and ifcall

Author: sumneko

script/core/completion/keyword.lua

@@ -1,6 +1,8 @@
 local define     = require 'proto.define'
 local files      = require 'files'
 local guide      = require 'parser.guide'
+local config     = require 'config'
+local util       = require 'utility'
 
 local keyWordMap = {
     { 'do', function(info, results)
@@ -324,6 +326,66 @@ end"
         end
         return true
     end },
+    { 'continue', function (info, results)
+        local nonstandardSymbol = config.get(info.uri, 'Lua.runtime.nonstandardSymbol')
+        if util.arrayHas(nonstandardSymbol, 'continue') then
+            return
+        end
+        local version = config.get(info.uri, 'Lua.runtime.version')
+        if version == 'Lua 5.1' then
+            return
+        end
+        local mostInsideBlock
+        guide.eachSourceContain(info.state.ast, info.start, function (src)
+            if src.type == 'while'
+            or src.type == 'in'
+            or src.type == 'loop'
+            or src.type == 'repeat' then
+                mostInsideBlock = src
+            end
+        end)
+        if not mostInsideBlock then
+            return
+        end
+        -- 找一下 end 的位置
+        local endPos
+        if mostInsideBlock.type == 'while' then
+            endPos = mostInsideBlock.keyword[5]
+        elseif mostInsideBlock.type == 'in' then
+            endPos = mostInsideBlock.keyword[7]
+        elseif mostInsideBlock.type == 'loop' then
+            endPos = mostInsideBlock.keyword[5]
+        elseif mostInsideBlock.type == 'repeat' then
+            endPos = mostInsideBlock.keyword[3]
+        end
+        if not endPos then
+            return
+        end
+        local endLine     = guide.rowColOf(endPos)
+        local tabStr = info.state.lua:sub(
+            info.state.lines[endLine],
+            guide.positionToOffset(info.state, endPos)
+        )
+        local newText
+        if tabStr:match '^[\t ]*$' then
+            newText = '    ::continue::\n' .. tabStr
+        else
+            newText = '::continue::'
+        end
+        results[#results+1] = {
+            label      = 'goto continue ..',
+            kind       = define.CompletionItemKind.Snippet,
+            insertText = "goto continue",
+            additionalTextEdits = {
+                {
+                    start   = endPos,
+                    finish  = endPos,
+                    newText = newText,
+                }
+            }
+        }
+        return true
+    end }
 }
 
 return keyWordMap

script/core/completion/postfix.lua

@@ -133,6 +133,39 @@ register 'xpcall' {
     end
 }
 
+register 'ifcall' {
+    function (state, source, callback)
+        if  source.type ~= 'getglobal'
+        and source.type ~= 'getfield'
+        and source.type ~= 'getmethod'
+        and source.type ~= 'getindex'
+        and source.type ~= 'getlocal'
+        and source.type ~= 'call' then
+            return
+        end
+        local subber = subString(state)
+        if source.type == 'call' then
+            if source.args and #source.args > 0 then
+                callback(string.format('if %s then %s(%s) end$0'
+                    , subber(source.node.start + 1, source.node.finish)
+                    , subber(source.node.start + 1, source.node.finish)
+                    , subber(source.args[1].start + 1, source.args[#source.args].finish)
+                ))
+            else
+                callback(string.format('if %s then %s() end$0'
+                    , subber(source.node.start + 1, source.node.finish)
+                    , subber(source.node.start + 1, source.node.finish)
+                ))
+            end
+        else
+            callback(string.format('if %s then %s($1) end$0'
+                , subber(source.node.start + 1, source.node.finish)
+                , subber(source.node.start + 1, source.node.finish)
+            ))
+        end
+    end
+}
+
 register 'local' {
     function (state, source, callback)
         if  source.type ~= 'getglobal'