# HG changeset patch
# User Matthew Wild <mwild1@gmail.com>
# Date 1274632275 -3600
# Node ID ba347b4b655f8501c8f4f7f83400bf86033f9832
# Parent  62c1d9bf3000a849f4f1ad97b3325850835606e5
Initialise all stack slots to nil when calling a chunk

diff -r 62c1d9bf3000 -r ba347b4b655f lvm.js
--- a/lvm.js	Sun May 23 17:30:43 2010 +0100
+++ b/lvm.js	Sun May 23 17:31:15 2010 +0100
@@ -280,6 +280,8 @@
 	{
 		this.frame = {f:lfFunction,pc:0,reg:[]};
 		this.callstack.push(this.frame);
+		for(var i=0;i<lfFunction.maxStackSize;i++)
+			this.frame.reg[i] = new LValue("nil", null);
 		var instruction;
 		while(this.callstack.length>0)
 		{
@@ -343,6 +345,8 @@
 				var f = this.frame.reg[INS_A(instruction)].call(); // return JS or LValue
 				var A = INS_A(instruction), B = INS_B(instruction), undefined;
 				var args = this.frame.reg.slice(A+1, B==0?undefined:(A+B));
+				for(var i=args.length+1;i<f.maxStackSize;i++)
+					args[i] = new LValue("nil", null);
 				if(typeof(f) == "function")
 				{
 					// JS native function