lua: use goto label to mimic continue statement

This is a Lua 5.2 feature supported by LuaJIT.

1 files changed, 36 insertions, 41 deletions

diff --git a/lua/plugins/number-inc-dec.lua b/lua/plugins/number-inc-dec.lua
index e2f5f2e..e1142ef 100644
--- a/lua/plugins/number-inc-dec.lua
+++ b/lua/plugins/number-inc-dec.lua
@@ -16,47 +16,42 @@ local change = function(delta)
 	vis.count = nil -- reset count, otherwise it affects next motion
 
 	for cursor in win:cursors_iterator() do
-		-- poor man's continue statement, use break to process next cursor
-		repeat
-			local pos = cursor.pos
-			if not pos then break end
-			local word = file:text_object_word(pos);
-			if not word then break end
-			local data = file:content(word.start, 1024)
-			if not data then break end
-			local s, e = pattern:match(data)
-			if not s then break end
-			data = string.sub(data, s, e-1)
-			if #data == 0 then break end
-			-- align start and end for fileindex
-			s = word.start + s - 1
-			e = word.start + e - 1
-			local base, format, padding = 10, 'd', 0
-			if lexer.oct_num:match(data) then
-				base = 8
-				format = 'o'
-				padding = #data
-			elseif lexer.hex_num:match(data) then
-				base = 16
-				format = 'x'
-				padding = #data - #"0x"
-			end
-			local number = tonumber(data, base == 8 and 8 or nil)
-			if not number then
-				vis:info("Not a number")
-				break
-			end
-			number = number + delta * count
-			-- string.format does not support negative hex/oct values
-			if base ~= 10 and number < 0 then number = 0 end
-			number = string.format((base == 16 and "0x" or "") .. "%0"..padding..format, number)
-			if base == 8 and string.sub(number, 0, 1) ~= "0" then
-				number = '0' .. number
-			end
-			file:delete(s, e - s)
-			file:insert(s, number)
-			cursor.pos = s
-		until true
+		local pos = cursor.pos
+		if not pos then goto continue end
+		local word = file:text_object_word(pos);
+		if not word then goto continue end
+		local data = file:content(word.start, 1024)
+		if not data then goto continue end
+		local s, e = pattern:match(data)
+		if not s then goto continue end
+		data = string.sub(data, s, e-1)
+		if #data == 0 then goto continue end
+		-- align start and end for fileindex
+		s = word.start + s - 1
+		e = word.start + e - 1
+		local base, format, padding = 10, 'd', 0
+		if lexer.oct_num:match(data) then
+			base = 8
+			format = 'o'
+			padding = #data
+		elseif lexer.hex_num:match(data) then
+			base = 16
+			format = 'x'
+			padding = #data - #"0x"
+		end
+		local number = tonumber(data, base == 8 and 8 or nil)
+		if not number then goto continue end
+		number = number + delta * count
+		-- string.format does not support negative hex/oct values
+		if base ~= 10 and number < 0 then number = 0 end
+		number = string.format((base == 16 and "0x" or "") .. "%0"..padding..format, number)
+		if base == 8 and string.sub(number, 0, 1) ~= "0" then
+			number = '0' .. number
+		end
+		file:delete(s, e - s)
+		file:insert(s, number)
+		cursor.pos = s
+		::continue::
 	end
 end