fluidattacks-blends-domain 0.28.0

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::{
    query::match_ast_group_d,
    syntax::{
        builders::method_declaration::{
            build_method_declaration_node, MethodDirectChildren, MethodListChildren,
        },
        fields::{swift::function_declaration, Field},
        SyntaxGraphArgs, SyntaxGraphError,
    },
    utilities::text_nodes::node_to_str,
    NodeId,
};

const BODY: Field<false> = Field::new("body_id");

pub fn reader(
    args: &mut SyntaxGraphArgs<'_>,
    n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
    let name_id = args.required_field_alt(n_id, function_declaration::NAME)?;
    let name = node_to_str(args.ast_graph, name_id);

    let block_id = args.optional_field_alt(n_id, BODY);
    let parameters_ids = match_ast_group_d(args.ast_graph, n_id, "parameter", Some(1));

    let direct_children = MethodDirectChildren {
        block_id,
        ..MethodDirectChildren::default()
    };
    let list_children = MethodListChildren {
        parameters_ids,
        ..MethodListChildren::default()
    };

    build_method_declaration_node(
        args,
        n_id,
        Some(name),
        &direct_children,
        &list_children,
        None,
    )
    .map(Some)
}