mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-10-08 08:51:55 +00:00
Code Activity

Move psig and match method to polymorphism_util

Browse source 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot] 2025-10-05 21:33:21 +00:00
parent 0362f0a7a6
commit dd9662f2de
4 changed files with 70 additions and 61 deletions
Download patch file Download diff file Expand all files Collapse all files

56
src/ast/finite_set_decl_plugin.cpp
View file

@ -28,39 +28,10 @@ finite_set_decl_plugin::finite_set_decl_plugin():
}
finite_set_decl_plugin::~finite_set_decl_plugin() {
for (psig* s : m_sigs)
for (polymorphism::psig* s : m_sigs)
dealloc(s);
}
void finite_set_decl_plugin::match(psig& sig, unsigned dsz, sort *const* dom, sort* range, sort_ref& range_out) {
ast_manager& m = *m_manager;
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());
}
polymorphism::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);
}
void finite_set_decl_plugin::init() {
if (m_init) return;
ast_manager& m = *m_manager;
@ -87,17 +58,17 @@ void finite_set_decl_plugin::init() {
sort* intintT[2] = { intT, intT };
m_sigs.resize(LAST_FINITE_SET_OP);
m_sigs[OP_FINITE_SET_EMPTY] = alloc(psig, m, "set.empty", 1, 0, nullptr, setA);
m_sigs[OP_FINITE_SET_SINGLETON] = alloc(psig, m, "set.singleton", 1, 1, &A, setA);
m_sigs[OP_FINITE_SET_UNION] = alloc(psig, m, "set.union", 1, 2, setAsetA, setA);
m_sigs[OP_FINITE_SET_INTERSECT] = alloc(psig, m, "set.intersect", 1, 2, setAsetA, setA);
m_sigs[OP_FINITE_SET_DIFFERENCE] = alloc(psig, m, "set.difference", 1, 2, setAsetA, setA);
m_sigs[OP_FINITE_SET_IN] = alloc(psig, m, "set.in", 1, 2, AsetA, boolT);
m_sigs[OP_FINITE_SET_SIZE] = alloc(psig, m, "set.size", 1, 1, &setA, intT);
m_sigs[OP_FINITE_SET_SUBSET] = alloc(psig, m, "set.subset", 1, 2, setAsetA, boolT);
m_sigs[OP_FINITE_SET_MAP] = alloc(psig, m, "set.map", 2, 2, arrABsetA, setB);
m_sigs[OP_FINITE_SET_SELECT] = alloc(psig, m, "set.select", 1, 2, arrABoolsetA, setA);
m_sigs[OP_FINITE_SET_RANGE] = alloc(psig, m, "set.range", 0, 2, intintT, setInt);
m_sigs[OP_FINITE_SET_EMPTY] = alloc(polymorphism::psig, m, "set.empty", 1, 0, nullptr, setA);
m_sigs[OP_FINITE_SET_SINGLETON] = alloc(polymorphism::psig, m, "set.singleton", 1, 1, &A, setA);
m_sigs[OP_FINITE_SET_UNION] = alloc(polymorphism::psig, m, "set.union", 1, 2, setAsetA, setA);
m_sigs[OP_FINITE_SET_INTERSECT] = alloc(polymorphism::psig, m, "set.intersect", 1, 2, setAsetA, setA);
m_sigs[OP_FINITE_SET_DIFFERENCE] = alloc(polymorphism::psig, m, "set.difference", 1, 2, setAsetA, setA);
m_sigs[OP_FINITE_SET_IN] = alloc(polymorphism::psig, m, "set.in", 1, 2, AsetA, boolT);
m_sigs[OP_FINITE_SET_SIZE] = alloc(polymorphism::psig, m, "set.size", 1, 1, &setA, intT);
m_sigs[OP_FINITE_SET_SUBSET] = alloc(polymorphism::psig, m, "set.subset", 1, 2, setAsetA, boolT);
m_sigs[OP_FINITE_SET_MAP] = alloc(polymorphism::psig, m, "set.map", 2, 2, arrABsetA, setB);
m_sigs[OP_FINITE_SET_SELECT] = alloc(polymorphism::psig, m, "set.select", 1, 2, arrABoolsetA, setA);
m_sigs[OP_FINITE_SET_RANGE] = alloc(polymorphism::psig, m, "set.range", 0, 2, intintT, setInt);
}
sort * finite_set_decl_plugin::mk_sort(decl_kind k, unsigned num_parameters, parameter const * parameters) {
@ -141,8 +112,9 @@ func_decl * finite_set_decl_plugin::mk_empty(sort* element_sort) {
func_decl * finite_set_decl_plugin::mk_finite_set_op(decl_kind k, unsigned arity, sort * const * domain, sort* range) {
ast_manager& m = *m_manager;
polymorphism::util poly_util(m);
sort_ref rng(m);
match(*m_sigs[k], arity, domain, range, rng);
poly_util.match(*m_sigs[k], arity, domain, range, rng);
return m.mk_func_decl(m_sigs[k]->m_name, arity, domain, rng, func_decl_info(m_family_id, k));
}

21
src/ast/finite_set_decl_plugin.h
View file

@ -28,6 +28,7 @@ Operators:
#pragma once
#include "ast/ast.h"
#include "ast/polymorphism_util.h"
enum finite_set_sort_kind {
FINITE_SET_SORT
@ -49,26 +50,10 @@ enum finite_set_op_kind {
};
class finite_set_decl_plugin : public decl_plugin {
struct psig {
symbol m_name;
unsigned m_num_params;
sort_ref_vector m_dom;
sort_ref m_range;
psig(ast_manager& m, char const* name, unsigned n, unsigned dsz, sort* const* dom, sort* rng):
m_name(name),
m_num_params(n),
m_dom(m),
m_range(rng, m)
{
m_dom.append(dsz, dom);
}
};
ptr_vector<psig> m_sigs;
ptr_vector<polymorphism::psig> m_sigs;
bool m_init;
void init();
void match(psig& sig, unsigned dsz, sort *const* dom, sort* range, sort_ref& range_out);
func_decl * mk_empty(sort* element_sort);
func_decl * mk_finite_set_op(decl_kind k, unsigned arity, sort * const * domain, sort* range);
sort * get_element_sort(sort* finite_set_sort) const;
@ -82,7 +67,7 @@ public:
}
void finalize() override {
for (psig* s : m_sigs)
for (polymorphism::psig* s : m_sigs)
dealloc(s);
m_sigs.reset();
}

27
src/ast/polymorphism_util.cpp
View file

@ -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);
}
}

25
src/ast/polymorphism_util.h
View file

@ -78,6 +78,24 @@ namespace polymorphism {
typedef hashtable<substitution*, substitution::hash, substitution::eq> substitutions;
/**
* Polymorphic signature for operators
*/
struct psig {
symbol m_name;
unsigned m_num_params;
sort_ref_vector m_dom;
sort_ref m_range;
psig(ast_manager& m, char const* name, unsigned n, unsigned dsz, sort* const* dom, sort* rng):
m_name(name),
m_num_params(n),
m_dom(m),
m_range(rng, m)
{
m_dom.append(dsz, dom);
}
};
class util {
ast_manager& m;
sort_ref_vector m_trail;
@ -100,6 +118,13 @@ namespace polymorphism {
bool match(substitution& sub, sort* s1, sort* s_ground);
/**
* Match a polymorphic signature against concrete argument sorts.
* Raises exception if arity mismatch or type mismatch.
* Returns the instantiated range sort via range_out.
*/
void match(psig& sig, unsigned dsz, sort* const* dom, sort* range, sort_ref& range_out);
// collect instantiations of polymorphic functions
void collect_poly_instances(expr* e, ptr_vector<func_decl>& instances);