fluidattacks-blends-domain 0.17.1

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::{
    query::{adj_ast, label_text},
    syntax::{
        builders::symbol_lookup::build_symbol_lookup_node, SyntaxGraphArgs, SyntaxGraphError,
    },
    CodeGraph, NodeId,
};
use alloc::borrow::ToOwned;

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

    let symbol_n_id = if graph.label_type(n_id) == Some("name") {
        adj_ast(graph, n_id, Some(1), &[])
            .first()
            .copied()
            .unwrap_or(n_id)
    } else {
        n_id
    };

    let symbol = label_text(graph, symbol_n_id)
        .ok_or(SyntaxGraphError::UnexpectedAstShape)?
        .to_owned();

    Ok(Some(build_symbol_lookup_node(args, n_id, symbol)))
}