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fixes #6439 #6436

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This commit is contained in:
Nikolaj Bjorner 2022-11-04 09:35:58 -07:00
parent 626380b3c7
commit 84af521514
5 changed files with 17 additions and 3 deletions
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8
src/api/api_ast.cpp
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@ -137,7 +137,7 @@ extern "C" {
ast_manager& m = mk_c(c)->m();
recfun::decl::plugin& p = mk_c(c)->recfun().get_plugin();
if (!p.has_def(d)) {
std::string msg = "function " + mk_pp(d, m) + " needs to be defined using rec_func_decl";
std::string msg = "function " + mk_pp(d, m) + " needs to be declared using rec_func_decl";
SET_ERROR_CODE(Z3_INVALID_ARG, msg.c_str());
return;
}
@ -158,6 +158,12 @@ extern "C" {
SET_ERROR_CODE(Z3_INVALID_ARG, nullptr);
return;
}
if (!pd.get_def()->get_cases().empty()) {
std::string msg = "function " + mk_pp(d, m) + " has already been given a definition";
SET_ERROR_CODE(Z3_INVALID_ARG, msg.c_str());
return;
}
if (abs_body->get_sort() != d->get_range()) {
SET_ERROR_CODE(Z3_INVALID_ARG, nullptr);
return;