bool StepVm()
{
if (this.IsLive ()) {
this.CheckVmWithoutError ();
this.CheckQuotas ();
try {
var instruction = this.CurrentInstruction();
//TraceInstruction(instruction);
Vm.handlers[instruction.NumericOpcode](this);
this.executedTicks++;
this.executedTicksSinceLastNap++;
return true;
} catch (ShovelException ex) {
this.programmingError = ex;
throw;
}
} else {
return false;
}
}
void RaiseErrorAt(string message, int? startPosition, int? endPosition)
{
Position pos = startPosition != null ? this.GetPosition(startPosition.Value) : null;
string fileName = pos != null ? pos.FileName : null;
bool atEof = startPosition == null && endPosition == null;
string errorMessage;
if (pos != null)
{
var startPos = pos;
var endPos = this.GetPosition(endPosition.Value);
var lines = Utils.ExtractRelevantSource(GetSourceFile().Content.Split('\n'), startPos, endPos);
errorMessage = String.Format("{0}\n{1}\n{2}", message, lines[0], lines[1]);
}
else
{
errorMessage = message;
}
var error = new ShovelException();
error.ShovelMessage = errorMessage;
if (pos != null)
{
error.Line = pos.Line;
error.Column = pos.Column;
}
else
{
error.AtEof = atEof;
}
error.FileName = fileName;
throw error;
}
void RaiseError(string message)
{
var token = this.CurrentToken ();
Position pos = token != null ? this.GetPosition (token.StartPos) : null;
string fileName = pos != null ? pos.FileName : null;
bool atEof = token == null;
string errorMessage;
if (pos != null) {
var startPos = pos;
var endPos = this.GetPosition (token.EndPos);
var lines = Utils.ExtractRelevantSource (GetSourceFile ().Content.Split ('\n'), startPos, endPos);
errorMessage = String.Format ("{0}\n{1}\n{2}", message, lines [0], lines [1]);
} else {
errorMessage = message;
}
var error = new ShovelException ();
error.Message = errorMessage;
if (pos != null) {
error.Line = pos.Line;
error.Column = pos.Column;
} else {
error.AtEof = atEof;
}
error.FileName = fileName;
throw error;
}
bool StepVm()
{
if (this.IsLive ()) {
this.CheckVmWithoutError ();
this.CheckQuotas ();
try {
if (this.runs [this.programCounter] == null) {
this.runs [this.programCounter] = this.GenRun ();
}
this.runs [this.programCounter] (this);
// var instruction = this.CurrentInstruction ();
// Console.WriteLine ("*****");
// Console.WriteLine (instruction.ToString ());
// for (var i = 0; i < this.stack.Count; i++) {
// Console.WriteLine (DumpShovelValue (this.api, this.stack.Storage [i]));
// }
// Vm.handlers [instruction.NumericOpcode] (this);
return true;
} catch (ShovelException ex) {
this.programmingError = ex;
throw;
}
} else {
return false;
}
}
