public Context beginEvalContext(Environment environment) {
Context context = new Context();
context.type = Type.RETURN;
context.parent = this;
context.evaluationDepth = evaluationDepth + 1;
context.environment = environment;
context.session = session;
return context;
}
public Context beginFunction(
Environment rho, FunctionCall call, Closure closure, PairList arguments) {
Context context = new Context();
context.type = Type.FUNCTION;
context.parent = this;
context.evaluationDepth = evaluationDepth + 1;
context.closure = closure;
context.environment = Environment.createChildEnvironment(closure.getEnclosingEnvironment());
context.session = session;
context.arguments = arguments;
context.call = call;
context.callingEnvironment = rho;
return context;
}