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block recursive definitions with lambdas until they are properly supported #5813

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Nikolaj Bjorner 2022-02-06 08:57:58 +02:00
parent 1c10ce4070
commit 03ff3201b9
1 changed files with 7 additions and 0 deletions
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7
src/ast/recfun_decl_plugin.cpp
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@ -225,6 +225,11 @@ namespace recfun {
m_vars.append(n_vars, vars);
m_rhs = rhs;
if (!is_macro)
for (expr* e : subterms::all(m_rhs))
if (is_lambda(e))
throw default_exception("recursive definitions with lambdas are not supported");
expr_ref_vector conditions(m);
// is the function a macro (unconditional body)?
@ -233,6 +238,8 @@ namespace recfun {
add_case(name, 0, conditions, rhs);
return;
}
// analyze control flow of `rhs`, accumulating guards and
// rebuilding a `ite`-free RHS on the fly for each path in `rhs`.