From 2ef924b06e301946e0ffcc6d4187c708d5366a73 Mon Sep 17 00:00:00 2001
From: AiTechEye <40591179+AiTechEye@users.noreply.github.com>
Date: Wed, 16 Jan 2019 10:26:32 +0100
Subject: [PATCH] fix runaway loop

---
 api.lua       | 19 ++++++++++++++++++-
 functions.lua | 15 +++++++++++++++
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/api.lua b/api.lua
index 665c4ac..ec8179c 100644
--- a/api.lua
+++ b/api.lua
@@ -54,9 +54,26 @@ end
 
 was.compiler=function(input_text,def)
 	def=def or{}
-	if type(input_text)~="string" or input_text:len()<2 or type(def.user)~="string" or not was.is_pos(def.pos) then
+	if type(input_text)~="string" or input_text:len()<2 or type(def.user)~="string" or not was.is_pos(def.pos) or not def.type then
 		return
 	end
+
+	if def.type=="node" then
+		local meta=minetest.get_meta(def.pos)
+		local t=meta:get_int("was.compiler_last_run")
+		local runs=meta:get_int("was.compiler_runs")
+		local sec=was.time("sec",t)
+		if sec<1 then
+			meta:set_int("was.compiler_runs",runs+1)
+			if runs>10 then
+				return
+			end
+		elseif sec>1 then
+			meta:set_int("was.compiler_runs",1)
+			meta:set_int("was.compiler_last_run", was.time("gettime"))
+		end
+	end
+
 	input_text=input_text .."\n"
 	input_text=input_text:gsub("%("," { ")
 	input_text=input_text:gsub("%)"," } ")
diff --git a/functions.lua b/functions.lua
index 13704f5..4f9457b 100644
--- a/functions.lua
+++ b/functions.lua
@@ -1,3 +1,18 @@
+was.time=function(a,c)
+	if a=="gettime" then
+		return os.time()
+	elseif a=="sec" and was.is_number(c) then
+		return os.difftime(os.time(), c)
+	elseif a=="min" and was.is_number(c) then
+		return os.difftime(os.time(), c) / 60
+	elseif a=="hour" and was.is_number(c) then
+		return os.difftime(os.time(), c) / (60 * 60)
+	elseif a=="day" and was.is_number(c) then
+		return os.difftime(os.time(), c) / (24 * 60 * 60)
+	end
+end
+
+
 was.runcmd=function(cmd,name,param)
 	local c=minetest.registered_chatcommands[cmd]
 	if not c then