fluidattacks-blends-domain 0.23.0

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::{
    query::{adj_ast, match_ast_d, match_ast_group_d},
    syntax::{
        builders::try_statement::build_try_statement_node, SyntaxGraphArgs, SyntaxGraphError,
    },
    NodeId,
};

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

    let block_id = match_ast_d(graph, n_id, "block", Some(1))
        .or_else(|| adj_ast(graph, n_id, Some(1), &[]).last().copied())
        .ok_or(SyntaxGraphError::MissingAstNode)?;

    let catch_blocks = match_ast_group_d(graph, n_id, "catch_block", Some(1));
    let finally_block = match_ast_d(graph, n_id, "finally_block", Some(1));

    build_try_statement_node(args, n_id, block_id, &catch_blocks, finally_block, None).map(Some)
}