//
// The main entry point for the host.
//
public static int Main(string[] arguments)
{
int returnValue = 1;
CommandLineArguments commandLineArguments = ProcessArguments(arguments);
if (arguments.Length - commandLineArguments.ArgumentsStart < 0)
{
Console.Error.WriteLine("usage: chakrahost [-debug] [-profile] <script name> <arguments>");
return(returnValue);
}
try
{
//
// Create the runtime. We're only going to use one runtime for this host.
//
using (JavaScriptRuntime runtime = JavaScriptRuntime.Create())
{
//
// Similarly, create a single execution context. Note that we're putting it on the stack here,
// so it will stay alive through the entire run.
//
JavaScriptContext context = CreateHostContext(runtime, arguments, commandLineArguments.ArgumentsStart);
//
// Now set the execution context as being the current one on this thread.
//
using (new JavaScriptContext.Scope(context))
{
//
// Start debugging if requested.
//
if (commandLineArguments.Debug)
{
StartDebugging();
}
//
// Start profiling if requested.
//
if (commandLineArguments.Profile)
{
var profiler = new Profiler();
JavaScriptContext.StartProfiling(profiler, Native.ProfilerEventMask.TraceAll, 0);
}
//
// Load the script from the disk.
//
string script = File.ReadAllText(arguments[commandLineArguments.ArgumentsStart]);
//
// Run the script.
//
JavaScriptValue result;
try
{
result = JavaScriptContext.RunScript(script, currentSourceContext++, arguments[commandLineArguments.ArgumentsStart]);
}
catch (JavaScriptScriptException e)
{
PrintScriptException(e.Error);
return(1);
}
catch (Exception e)
{
Console.Error.WriteLine("chakrahost: failed to run script: {0}", e.Message);
return(1);
}
//
// Convert the return value.
//
JavaScriptValue numberResult = result.ConvertToNumber();
double doubleResult = numberResult.ToDouble();
returnValue = (int)doubleResult;
//
// Stop profiling.
//
if (commandLineArguments.Profile)
{
JavaScriptContext.StopProfiling(0);
}
}
}
}
catch (Exception e)
{
Console.Error.WriteLine("chakrahost: fatal error: internal error: {0}.", e.Message);
}
return(returnValue);
}