public override void Execute(Runtime runtime, Runtime.Thread thread)
{
if (!runtime.SetVar(runtime.globals, this.name, thread.PopValue()))
{
Runtime.RaiseRuntimeError(thread, this.span, "unknown global `" + this.name + "`");
}
}
public override void Execute(Runtime runtime, Runtime.Thread thread)
{
if (!runtime.DelVar(thread.CurrentFrame().locals, this.name))
{
Runtime.RaiseRuntimeError(thread, this.span, "unknown local `" + this.name + "`");
}
}
public override void Execute(Runtime runtime, Runtime.Thread thread)
{
if (!runtime.NewVar(runtime.globals, this.name))
{
Runtime.RaiseRuntimeError(thread, this.span, "duplicate global `" + this.name + "`");
}
}
public override void Execute(Runtime runtime, Runtime.Thread thread)
{
object value;
if (!runtime.GetVar(runtime.globals, this.name, out value))
{
Runtime.RaiseRuntimeError(thread, this.span, "unknown global `" + this.name + "`");
}
thread.PushValue(value);
}
public override void Execute(Runtime runtime, Runtime.Thread thread)
{
var obj = new Runtime.Object();
for (var i = 0; i < fieldNames.Count; i++)
{
obj.fields[fieldNames[fieldNames.Count - 1 - i]] = thread.PopValue();
}
thread.PushValue(obj);
}
public override void Execute(Runtime runtime, Runtime.Thread thread)
{
var cond = thread.stackData[thread.stackData.Count - 1];
thread.stackData.RemoveAt(thread.stackData.Count - 1);
if (cond is bool && (bool)cond)
{
thread.CurrentFrame().Goto(destinationIfTrue);
}
else
{
thread.CurrentFrame().Goto(destinationIfFalse);
}
}
public override void Execute(Runtime runtime, Runtime.Thread thread)
{
var args = new object[this.argumentNum];
for (var i = 0; i < this.argumentNum; i++)
{
args[this.argumentNum - 1 - i] = thread.PopValue();
}
var target = thread.PopValue();
var targetFunc = target as Runtime.Function;
if (targetFunc != null)
{
if (targetFunc.parameterNames.Count != this.argumentNum)
{
Runtime.RaiseRuntimeError(thread, this.span, "expected " + targetFunc.parameterNames.Count + " argument(s)");
}
thread.PushFrame(targetFunc);
for (var i = 0; i < this.argumentNum; i++)
{
thread.CurrentFrame().locals.Add(targetFunc.parameterNames[i], args[i]);
}
return;
}
var targetExternal = target as Runtime.ExternalFunction;
if (targetExternal != null)
{
try
{
thread.PushValue(targetExternal.Invoke(args));
}
catch (System.Exception e)
{
Runtime.RaiseRuntimeError(thread, this.span, "external function error:\n\n" + e.Message + "\n\n" + e.StackTrace);
}
return;
}
Runtime.RaiseRuntimeError(thread, this.span, "object cannot be called as function");
}
public override void Execute(Runtime runtime, Runtime.Thread thread)
{
thread.CurrentFrame().Goto(destination);
}
public override void Execute(Runtime runtime, Runtime.Thread thread)
{
thread.PopFrame();
}
public override void Execute(Runtime runtime, Runtime.Thread thread)
{
var value = thread.PopValue();
var target = thread.PopValue();
if (target == null)
{
Runtime.RaiseRuntimeError(thread, this.span, "field access on null value");
}
var obj = target;
while (obj != null)
{
Dictionary <string, object> fields;
if (obj is Runtime.Object)
{
fields = ((Runtime.Object)obj).fields;
}
else
{
break;
}
object setFunc;
if (fields.TryGetValue("set:" + this.fieldName, out setFunc))
{
if (setFunc is Runtime.Function)
{
var f = (Runtime.Function)setFunc;
thread.PushFrame(f);
thread.CurrentFrame().locals.Add(f.parameterNames[0], target);
thread.CurrentFrame().locals.Add(f.parameterNames[1], value);
}
else
{
thread.PushValue(((Runtime.ExternalFunction)setFunc).Invoke(new object[] { target, value }));
}
return;
}
if (fields.ContainsKey(this.fieldName))
{
fields[this.fieldName] = value;
return;
}
if (obj is Runtime.Object)
{
obj = ((Runtime.Object)obj).proto;
}
else
{
break;
}
}
Runtime.RaiseRuntimeError(thread, this.span, "unknown field `" + this.fieldName + "`");
}
public override void Execute(Runtime runtime, Runtime.Thread thread)
{
thread.PushValue(this.literal);
}
public override void Execute(Runtime runtime, Runtime.Thread thread)
{
var target = thread.PopValue();
if (target == null)
{
Runtime.RaiseRuntimeError(thread, this.span, "field access on null value");
}
var obj = target;
while (obj != null)
{
Dictionary <string, object> fields;
if (obj is double)
{
fields = runtime.doubleMethods;
}
else if (obj is bool)
{
fields = runtime.boolMethods;
}
else if (obj is string)
{
fields = runtime.stringMethods;
}
else if (obj is Runtime.Object)
{
fields = ((Runtime.Object)obj).fields;
}
else
{
break;
}
object getFunc;
if (!this.duplicateTargetAfter && fields.TryGetValue("get:" + this.fieldName, out getFunc))
{
if (getFunc is Runtime.Function)
{
var f = (Runtime.Function)getFunc;
thread.PushFrame(f);
thread.CurrentFrame().locals.Add(f.parameterNames[0], target);
}
else
{
thread.PushValue(((Runtime.ExternalFunction)getFunc).Invoke(new object[] { target }));
}
return;
}
object value;
if (fields.TryGetValue(this.fieldName, out value))
{
thread.PushValue(value);
if (this.duplicateTargetAfter)
{
thread.PushValue(target);
}
return;
}
if (obj is Runtime.Object)
{
obj = ((Runtime.Object)obj).proto;
}
else
{
break;
}
}
Runtime.RaiseRuntimeError(thread, this.span, "unknown field `" + this.fieldName + "`");
}
public abstract void Execute(Runtime runtime, Runtime.Thread thread);
