private void Compile(object frameObj)
{
if (!this.Compiled)
{
lock (this)
{
if (!this.Compiled)
{
InterpretedFrame frame = (InterpretedFrame) frameObj;
LoopCompiler compiler = new LoopCompiler(this._loop, frame.Interpreter.LabelMapping, this._variables, this._closureVariables, this._instructionIndex, this._loopEnd);
frame.Interpreter.Instructions.Instructions[this._instructionIndex] = new CompiledLoopInstruction(compiler.CreateDelegate());
this._loop = null;
this._variables = null;
this._closureVariables = null;
}
}
}
}
private void Compile(object frameObj) {
if (Compiled) {
return;
}
lock (this) {
if (Compiled) {
return;
}
PerfTrack.NoteEvent(PerfTrack.Categories.Compiler, "Interpreted loop compiled");
InterpretedFrame frame = (InterpretedFrame)frameObj;
var compiler = new LoopCompiler(_loop, frame.Interpreter.LabelMapping, _variables, _closureVariables, _instructionIndex, _loopEnd);
var instructions = frame.Interpreter.Instructions.Instructions;
// replace this instruction with an optimized one:
Interlocked.Exchange(ref instructions[_instructionIndex], new CompiledLoopInstruction(compiler.CreateDelegate()));
// invalidate this instruction, some threads may still hold on it:
_loop = null;
_variables = null;
_closureVariables = null;
}
}