mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-06-21 21:33:39 +00:00
Code Activity

working with incremental depth

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-10-23 14:16:07 -07:00
parent aa6e1badf2
commit 67077d960e
8 changed files with 127 additions and 126 deletions
Download patch file Download diff file Expand all files Collapse all files

45
src/ast/recfun_decl_plugin.cpp
View file

@ -1,4 +1,6 @@
/*++
Copyright (c) 2017 Microsoft Corporation, Simon Cruanes
Module Name:
recfun_decl_plugin.cpp
@ -68,8 +70,11 @@ namespace recfun {
ite_find_p(ast_manager & m) : m(m) {}
virtual bool operator()(expr * e) { return m.is_ite(e); }
};
// ignore ites under quantifiers.
// this is redundant as the code
// that unfolds ites uses quantifier-free portion.
ite_find_p p(m);
check_pred cp(p, m);
check_pred cp(p, m, false);
return cp(e);
}
@ -249,7 +254,9 @@ namespace recfun {
else if (is_app(e)) {
// explore arguments
for (expr * arg : *to_app(e)) {
stack.push_back(arg);
if (contains_ite(arg)) {
stack.push_back(arg);
}
}
}
}
@ -298,7 +305,7 @@ namespace recfun {
}
}
TRACEFN("done analysing " << get_name());
TRACEFN("done analyzing " << get_name());
}
/*
@ -405,42 +412,12 @@ namespace recfun {
return d.get_def();
}
func_decl * plugin::mk_fun_pred_decl(unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range)
{
VALIDATE_PARAM(m(), m().is_bool(range) && num_parameters == 1 && parameters[0].is_ast());
func_decl_info info(m_family_id, OP_FUN_CASE_PRED, num_parameters, parameters);
info.m_private_parameters = true;
return m().mk_func_decl(symbol(parameters[0].get_symbol()), arity, domain, range, info);
}
func_decl * plugin::mk_fun_defined_decl(decl_kind k, unsigned num_parameters,
parameter const * parameters,
unsigned arity, sort * const * domain, sort * range)
{
VALIDATE_PARAM(m(), num_parameters == 1 && parameters[0].is_ast());
func_decl_info info(m_family_id, k, num_parameters, parameters);
info.m_private_parameters = true;
return m().mk_func_decl(symbol(parameters[0].get_symbol()), arity,
domain, range, info);
}
// generic declaration of symbols
func_decl * plugin::mk_func_decl(decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range)
{
UNREACHABLE();
// TBD: parameter usage seems inconsistent with other uses.
IF_VERBOSE(0, verbose_stream() << "mk-func-decl " << k << "\n");
switch (k) {
case OP_FUN_CASE_PRED:
return mk_fun_pred_decl(num_parameters, parameters, arity, domain, range);
case OP_FUN_DEFINED:
return mk_fun_defined_decl(k, num_parameters, parameters, arity, domain, range);
default:
UNREACHABLE();
return nullptr;
}
return nullptr;
}
}
}