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[Merged by Bors] - fix(checker/text_import): make leanchecker agree with external tc #574

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[Merged by Bors] - fix(checker/text_import): make leanchecker agree with external tc #574

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12a6b88
fix(checker/text_import): make leanchecker agree with external tc
digama0 May 9, 2021
9b2e5bc
fix
digama0 May 10, 2021
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6 changes: 6 additions & 0 deletions src/checker/text_import.cpp
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Expand Up @@ -52,6 +52,7 @@ struct text_importer {
while (in >> idx) {
ls.push_back(m_level.at(idx));
}
in.clear();
return to_list(ls);
}

Expand All @@ -61,6 +62,7 @@ struct text_importer {
while (in >> idx) {
ls.push_back(m_name.at(idx));
}
in.clear();
return to_list(ls);
}

Expand Down Expand Up @@ -224,6 +226,10 @@ struct text_importer {
} else {
throw exception(sstream() << "unknown command: " << cmd);
}
if (!in.eof()) in >> std::ws;
if (in.fail() || !in.eof()) {
throw exception(sstream() << "parse error");
}
}
};

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6 changes: 0 additions & 6 deletions src/kernel/type_checker.cpp
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Expand Up @@ -111,8 +111,6 @@ expr type_checker::infer_lambda(expr const & _e, bool infer_only) {
es.push_back(e);
ds.push_back(binding_domain(e));
expr d = instantiate_rev(binding_domain(e), ls.size(), ls.data());
if (binding_name(e).is_anonymous())
throw_kernel_exception(m_env, "invalid anonymous binder name", e);
expr l = mk_local(m_name_generator.next(), binding_name(e), d, binding_info(e));
ls.push_back(l);
if (!infer_only) {
Expand All @@ -135,8 +133,6 @@ expr type_checker::infer_pi(expr const & _e, bool infer_only) {
buffer<level> us;
expr e = _e;
while (is_pi(e)) {
if (binding_name(e).is_anonymous())
throw_kernel_exception(m_env, "invalid anonymous binder name", e);
expr d = instantiate_rev(binding_domain(e), ls.size(), ls.data());
expr t1 = ensure_sort_core(infer_type_core(d, infer_only), d);
us.push_back(sort_level(t1));
Expand Down Expand Up @@ -189,8 +185,6 @@ expr type_checker::infer_app(expr const & e, bool infer_only) {

expr type_checker::infer_let(expr const & e, bool infer_only) {
if (!infer_only) {
if (let_name(e).is_anonymous())
throw_kernel_exception(m_env, "invalid anonymous let var name", e);
ensure_sort_core(infer_type_core(let_type(e), infer_only), e);
expr v_type = infer_type_core(let_value(e), infer_only);
// TODO(Leo): we will remove justifications in the future.
Expand Down