private CodegenMethod NavigateMethodCodegen(
CodegenMethodScope codegenMethodScope,
CodegenClassScope codegenClassScope)
{
var navigateRecordMethod = NavigateRecordMethodCodegen(codegenMethodScope, codegenClassScope);
return codegenMethodScope.MakeChild(typeof(GenericRecord), GetType(), codegenClassScope)
.AddParam(typeof(GenericRecord), "record")
.Block
.DeclareVar<object>(
"value",
CodegenExpressionBuilder.StaticMethod(
typeof(AvroEventBeanGetterNestedIndexRooted),
"GetAtIndex",
CodegenExpressionBuilder.Ref("record"),
CodegenExpressionBuilder.Constant(_posTop.Name),
CodegenExpressionBuilder.Constant(_index)))
.IfRefNullReturnNull("value")
.MethodReturn(
CodegenExpressionBuilder.LocalMethod(
navigateRecordMethod,
CodegenExpressionBuilder.CastRef(typeof(GenericRecord), "value")));
}
private CodegenMethod NavigateRecordMethodCodegen(
CodegenMethodScope codegenMethodScope,
CodegenClassScope codegenClassScope)
{
var block = codegenMethodScope.MakeChild(typeof(GenericRecord), GetType(), codegenClassScope)
.AddParam(typeof(GenericRecord), "record")
.Block
.DeclareVar<GenericRecord>("current", CodegenExpressionBuilder.Ref("record"))
.DeclareVarNull(typeof(object), "value");
for (var i = 0; i < _nested.Length - 1; i++) {
block.AssignRef(
"value",
_nested[i]
.UnderlyingGetCodegen(
CodegenExpressionBuilder.Ref("current"),
codegenMethodScope,
codegenClassScope))
.IfRefNotTypeReturnConst("value", typeof(GenericRecord), null)
.AssignRef("current", CodegenExpressionBuilder.CastRef(typeof(GenericRecord), "value"));
}
return block.MethodReturn(CodegenExpressionBuilder.Ref("current"));
}