boolean (PsiBuilder b, int l) { if (!recursion_guard_(b, l, "double_block_statement")) return false; boolean r; Marker m = enter_section_(b); r = block_statement(b, l + 1); r = r && nls(b, l + 1); r = r && block_statement(b, l + 1); exit_section_(b, m, null, r); return r; }