fluidattacks-blends-domain 0.17.1

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use alloc::vec::Vec;

use crate::{
    query::{match_ast_group, match_ast_group_d, pred_ast},
    syntax::{
        builders::string_literal::build_string_literal_node, SyntaxGraphArgs, SyntaxGraphError,
    },
    utilities::text_nodes::node_to_str,
    CodeGraph, NodeId,
};

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

    let text = node_to_str(graph, n_id);

    let mut c_ids: Vec<NodeId> = Vec::new();
    if let Some(&parent) = pred_ast(graph, n_id, Some(1)).first() {
        if graph.label_type(parent) == Some("subshell") {
            for interpolation in match_ast_group_d(graph, parent, "interpolation", Some(1)) {
                let mut childs = match_ast_group(
                    graph,
                    interpolation,
                    &["identifier", "element_reference"],
                    Some(1),
                );
                c_ids.extend(childs.remove("identifier").unwrap_or_default());
                c_ids.extend(childs.remove("element_reference").unwrap_or_default());
            }
        }
    }

    build_string_literal_node(args, n_id, text, &c_ids).map(Some)
}