public static void loadReference(String name, WriterController controller) {
CompileStack compileStack = controller.getCompileStack();
MethodVisitor mv = controller.getMethodVisitor();
ClassNode classNode = controller.getClassNode();
AsmClassGenerator acg = controller.getAcg();
// compileStack.containsVariable(name) means to ask if the variable is already declared
// compileStack.getScope().isReferencedClassVariable(name) means to ask if the variable is a
// field
// If it is no field and is not yet declared, then it is either a closure shared variable or
// an already declared variable.
if (!compileStack.containsVariable(name)
&& compileStack.getScope().isReferencedClassVariable(name)) {
acg.visitFieldExpression(new FieldExpression(classNode.getDeclaredField(name)));
} else {
BytecodeVariable v =
compileStack.getVariable(name, !classNodeUsesReferences(controller.getClassNode()));
if (v == null) {
// variable is not on stack because we are
// inside a nested Closure and this variable
// was not used before
// then load it from the Closure field
FieldNode field = classNode.getDeclaredField(name);
mv.visitVarInsn(ALOAD, 0);
mv.visitFieldInsn(
GETFIELD,
controller.getInternalClassName(),
name,
BytecodeHelper.getTypeDescription(field.getType()));
} else {
mv.visitVarInsn(ALOAD, v.getIndex());
}
controller.getOperandStack().push(ClassHelper.REFERENCE_TYPE);
}
}
