finishRenderBlock

fn finishRenderBlock(
    r: *Render,
    block_node: Ast.Node.Index,
    statements: []const Ast.Node.Index,
    space: Space,
) Error!void {
    const tree = r.tree;
    const ais = r.ais;
    for (statements, 0..) |stmt, i| {
        if (i != 0) try renderExtraNewline(r, stmt);
        if (r.fixups.omit_nodes.contains(stmt)) continue;
        try ais.pushSpace(.semicolon);
        switch (tree.nodeTag(stmt)) {
            .global_var_decl,
            .local_var_decl,
            .simple_var_decl,
            .aligned_var_decl,
            => try renderVarDecl(r, tree.fullVarDecl(stmt).?, false, .semicolon),

            else => try renderExpression(r, stmt, .semicolon),
        }
        ais.popSpace();
    }
    ais.popIndent();

    try renderToken(r, tree.lastToken(block_node), space); // rbrace
}