private void EnsureCompiled(bool optimized) {
//TODO too much duplicated code between these two blocks
if (optimized) {
if (_optimizedCode != null) return;
var rewriter = new LightGlobalRewriter();
var newLambda = rewriter.RewriteLambda(Code, Code.Name, LanguageContext, optimized);
_optimizedScope = rewriter.Scope;
var compiler = new LightCompiler();
var interpreter = compiler.CompileTop(newLambda);
_optimizedCode = new LightLambda(interpreter);
} else {
if (_code != null) return;
var rewriter = new LightGlobalRewriter();
var newLambda = rewriter.RewriteLambda(Code, Code.Name, LanguageContext, optimized);
var compiler = new LightCompiler();
var interpreter = compiler.CompileTop(newLambda);
_code = new LightLambda(interpreter);
}
}
private void CompileLambdaExpression(Expression expr) {
var node = (LambdaExpression)expr;
var compiler = new LightCompiler(this);
var interpreter = compiler.CompileTop(node);
int[] closureBoxes = new int[compiler._closureVariables.Count];
for (int i = 0; i < closureBoxes.Length; i++) {
var closureVar = compiler._closureVariables[i];
AddInstruction(GetBoxedVariable(closureVar));
}
AddInstruction(new CreateDelegateInstruction(node.Type, interpreter, compiler._closureVariables.Count));
}