fluidattacks-blends-domain 0.17.1

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::syntax::fields::php::foreach_statement;
use crate::{
    query::adj_ast,
    syntax::{
        builders::for_each_statement::build_for_each_statement_node, SyntaxGraphArgs,
        SyntaxGraphError,
    },
    NodeId,
};
const MIN_CHILDREN_FOR_FOREACH_WITH_ITERATOR: usize = 5;

pub fn reader(
    args: &mut SyntaxGraphArgs<'_>,
    n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
    let graph = args.ast_graph;
    let c_ids = adj_ast(graph, n_id, Some(1), &[]);

    let (iter_item, var_node) = if c_ids.len() >= MIN_CHILDREN_FOR_FOREACH_WITH_ITERATOR {
        (
            c_ids
                .get(2)
                .copied()
                .ok_or(SyntaxGraphError::UnexpectedAstShape)?,
            c_ids
                .get(4)
                .copied()
                .ok_or(SyntaxGraphError::UnexpectedAstShape)?,
        )
    } else {
        (
            c_ids
                .first()
                .copied()
                .ok_or(SyntaxGraphError::UnexpectedAstShape)?,
            c_ids
                .last()
                .copied()
                .ok_or(SyntaxGraphError::UnexpectedAstShape)?,
        )
    };

    let body_id = args.optional_field_alt(n_id, foreach_statement::BODY);

    build_for_each_statement_node(args, n_id, var_node, iter_item, body_id).map(Some)
}