boolean (PsiBuilder b, int l) { if (!recursion_guard_(b, l, "old_arithmetic_expansion")) return false; if (!nextTokenIs(b, ARITH_SQUARE_LEFT)) return false; boolean r, p; Marker m = enter_section_(b, l, _NONE_, OLD_ARITHMETIC_EXPANSION, null); r = consumeToken(b, ARITH_SQUARE_LEFT); p = r; // pin = 1 r = r && report_error_(b, old_arithmetic_expansion_1(b, l + 1)); r = p && consumeToken(b, ARITH_SQUARE_RIGHT) && r; exit_section_(b, l, m, r, p, null); return r || p; }