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Implement finite_set_decl_plugin with complete operator support and polymorphism infrastructure (#7961)

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* Initial plan

* Implement finite_sets_decl_plugin with all specified operations

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* Add tests for finite_sets_decl_plugin

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* Add set.singleton operator to finite_sets_decl_plugin

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* Refactor finite_sets_decl_plugin to use polymorphic signatures and Array sorts

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* Rename finite_sets to finite_set everywhere including file names

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* Rename set.filter to set.select

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* Refactor finite_set_decl_plugin to use polymorphism_util

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* Move psig and match method to polymorphism_util

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* Add MATCH macros and fix is_fully_interp return value

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* Add is_finite_set helper and parameter count validation

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
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Copilot 2025-10-13 10:58:53 +02:00 • committed by GitHub
parent 7356b5ff88
commit df4052ec69
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27
src/ast/polymorphism_util.cpp
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@ -350,4 +350,31 @@ namespace polymorphism {
proc proc(m, tvs);
for_each_ast(proc, e, true);
}
void util::match(psig& sig, unsigned dsz, sort* const* dom, sort* range, sort_ref& range_out) {
if (dsz != sig.m_dom.size()) {
std::ostringstream strm;
strm << "Incorrect number of arguments to '" << sig.m_name << "' ";
strm << "expected " << sig.m_dom.size() << " given " << dsz;
m.raise_exception(strm.str());
}
substitution sub(m);
bool is_match = true;
for (unsigned i = 0; is_match && i < dsz; ++i) {
SASSERT(dom[i]);
is_match = sub.match(sig.m_dom.get(i), dom[i]);
}
if (range && is_match) {
is_match = sub.match(sig.m_range, range);
}
if (!is_match) {
std::ostringstream strm;
strm << "Sort mismatch for function '" << sig.m_name << "'";
m.raise_exception(strm.str());
}
// Apply substitution to get the range
range_out = sub(sig.m_range);
}
}