fluidattacks-blends-domain 0.23.0

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::syntax::fields::php::scoped_property_access_expression;
use crate::{
    query::{adj_ast, label_text, match_ast_d},
    syntax::{
        builders::member_access::build_member_access_node, SyntaxGraphArgs, SyntaxGraphError,
    },
    utilities::text_nodes::node_to_str,
    NodeId,
};
use alloc::borrow::ToOwned;

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

    let member_n_id = args.required_field_alt(n_id, scoped_property_access_expression::NAME)?;

    let name_n_id = match_ast_d(graph, member_n_id, "name", Some(1)).map_or(member_n_id, |id| id);

    let member = label_text(graph, name_n_id).unwrap_or("");

    let mut obj_p_id = args.required_field_alt(n_id, scoped_property_access_expression::SCOPE)?;

    let expression = if let Some(e) = label_text(graph, obj_p_id) {
        e.to_owned()
    } else {
        let obj_c_ids = adj_ast(graph, obj_p_id, Some(1), &[]);
        obj_p_id = obj_c_ids
            .first()
            .copied()
            .ok_or(SyntaxGraphError::UnexpectedAstShape)?;
        node_to_str(graph, obj_p_id)
    };

    build_member_access_node(args, n_id, member.to_owned(), expression, obj_p_id).map(Some)
}