fluidattacks-blends-domain 0.22.0

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

use crate::query::{adj_ast, match_ast_group_d};
use crate::syntax::builders::argument_list::build_argument_list_node;
use crate::syntax::{SyntaxGraphArgs, SyntaxGraphError};
use crate::NodeId;

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

    let childs = match_ast_group_d(graph, n_id, "keyed_element", None);
    if !childs.is_empty() {
        return build_argument_list_node(args, n_id, &childs).map(Some);
    }

    let literals = match_ast_group_d(graph, n_id, "literal_element", None);
    if !literals.is_empty() {
        let mut literal_args: Vec<NodeId> = Vec::new();
        for literal in literals {
            let call_expression = match_ast_group_d(graph, literal, "call_expression", None);
            if call_expression.is_empty() {
                literal_args.extend(adj_ast(graph, literal, None, &[]));
            } else {
                literal_args.extend(call_expression);
            }
        }
        return build_argument_list_node(args, n_id, &literal_args).map(Some);
    }

    build_argument_list_node(args, n_id, &[]).map(Some)
}