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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-10-02 11:35:25 -07:00
parent 3f9edad676
commit e9eab22e5c
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102
lib/decl_collector.cpp Normal file
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/*++
Copyright (c) 2011 Microsoft Corporation
Module Name:
smt_decl_collector.cpp
Abstract:
Collect uninterpreted func_delcs and sorts.
This class was originally in ast_smt_pp.h
Author:
Leonardo (leonardo) 2011-10-04
Revision History:
--*/
#include"decl_collector.h"
void decl_collector::visit_sort(sort * n) {
family_id fid = n->get_family_id();
if (m().is_uninterp(n))
m_sorts.push_back(n);
if (fid == m_dt_fid)
m_sorts.push_back(n);
}
bool decl_collector::is_bool(sort * s) {
return m().is_bool(s);
}
void decl_collector::visit_func(func_decl * n) {
family_id fid = n->get_family_id();
if (fid == null_family_id) {
if (m_sep_preds && is_bool(n->get_range()))
m_preds.push_back(n);
else
m_decls.push_back(n);
}
}
decl_collector::decl_collector(ast_manager & m, bool preds):
m_manager(m),
m_sep_preds(preds) {
m_basic_fid = m_manager.get_basic_family_id();
m_dt_fid = m_manager.get_family_id("datatype");
}
void decl_collector::visit(ast* n) {
ptr_vector<ast> todo;
todo.push_back(n);
while (!todo.empty()) {
n = todo.back();
todo.pop_back();
if (!m_visited.is_marked(n)) {
m_visited.mark(n, true);
switch(n->get_kind()) {
case AST_APP: {
app * a = to_app(n);
for (unsigned i = 0; i < a->get_num_args(); ++i) {
todo.push_back(a->get_arg(i));
}
todo.push_back(a->get_decl());
break;
}
case AST_QUANTIFIER: {
quantifier * q = to_quantifier(n);
unsigned num_decls = q->get_num_decls();
for (unsigned i = 0; i < num_decls; ++i) {
todo.push_back(q->get_decl_sort(i));
}
todo.push_back(q->get_expr());
for (unsigned i = 0; i < q->get_num_patterns(); ++i) {
todo.push_back(q->get_pattern(i));
}
break;
}
case AST_SORT:
visit_sort(to_sort(n));
break;
case AST_FUNC_DECL: {
func_decl * d = to_func_decl(n);
for (unsigned i = 0; i < d->get_arity(); ++i) {
todo.push_back(d->get_domain(i));
}
todo.push_back(d->get_range());
visit_func(d);
break;
}
case AST_VAR:
break;
default:
UNREACHABLE();
}
}
}
}