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Polish TPTP parser diagnostics and type parsing details

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Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
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copilot-swe-agent[bot] 2026-05-12 18:51:19 +00:00 • committed by GitHub
parent 4116a8acb0
commit 72dae76464
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1 changed files with 8 additions and 8 deletions
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16
src/cmd_context/tptp_frontend.cpp
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@ -331,7 +331,7 @@ class tptp_parser {
return s->get_name() == symbol("$tType");
}
static bool is_decimal_numeral(std::string const& s) {
static bool is_unsigned_integer(std::string const& s) {
if (s.empty()) return false;
for (char c : s) {
if (!std::isdigit(static_cast<unsigned char>(c)))
@ -469,15 +469,15 @@ class tptp_parser {
if (n == "$true") return expr_ref(m.mk_true(), m);
if (n == "$false") return expr_ref(m.mk_false(), m);
if (is_decimal_numeral(n)) {
if (is_unsigned_integer(n)) {
rational num(n.c_str());
if (accept(token_kind::slash_tok)) {
std::string d = parse_name();
if (!is_decimal_numeral(d))
throw parse_error("denominator of rational literal must be a decimal numeral");
if (!is_unsigned_integer(d))
throw parse_error("denominator of rational literal must be a sequence of digits");
rational den(d.c_str());
if (den.is_zero())
throw parse_error("denominator of rational literal must be non-zero");
throw parse_error("denominator of rational literal cannot be zero");
return expr_ref(m_arith.mk_numeral(num / den, false), m);
}
return expr_ref(m_arith.mk_numeral(num, true), m);
@ -661,12 +661,12 @@ class tptp_parser {
}
void parse_type_decl_formula() {
unsigned num_wrap = 0;
while (accept(token_kind::lparen)) ++num_wrap;
unsigned lparen_count = 0;
while (accept(token_kind::lparen)) ++lparen_count;
std::string name = parse_name();
expect(token_kind::colon, "':'");
parsed_type t = parse_type_expr();
while (num_wrap-- > 0)
while (lparen_count-- > 0)
expect(token_kind::rparen, "')'");
if (t.domain.empty() && is_ttype(t.range)) {