fluidattacks-blends-domain 0.6.0

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::query::match_ast;
use crate::syntax::builders::object_creation::build_object_creation_node;
use crate::syntax::fields::c_sharp::object_creation_expression;
use crate::syntax::{SyntaxGraphArgs, SyntaxGraphError};
use crate::utilities::text_nodes::node_to_str;
use crate::NodeId;

pub fn reader(
    args: &mut SyntaxGraphArgs<'_>,
    n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
    let graph = args.ast_graph;
    let name = node_to_str(
        graph,
        args.required_field_alt(n_id, object_creation_expression::TYPE)?,
    );

    if let Some(arguments_id) = args.optional_field_alt(n_id, object_creation_expression::ARGUMENTS)
    {
        let arguments_id = match_ast(graph, arguments_id, &["(", ")"], None)
            .contains_key("__0__")
            .then_some(arguments_id);
        return build_object_creation_node(args, n_id, name, arguments_id, None, None).map(Some);
    }

    let mut init_id = args.optional_field_alt(n_id, object_creation_expression::INITIALIZER);
    if let Some(init) = init_id {
        if match_ast(graph, init, &["assignment_expression"], None)
            .get("__0__")
            .copied()
            .flatten()
            .is_none()
        {
            init_id = None;
        }
    }
    build_object_creation_node(args, n_id, name, None, init_id, None).map(Some)
}