mirror of
https://github.com/Z3Prover/z3
synced 2025-04-16 13:58:45 +00:00
45 lines
648 B
C
45 lines
648 B
C
/*++
|
|
Copyright (c) 2006 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
occurs.h
|
|
|
|
Abstract:
|
|
|
|
<abstract>
|
|
|
|
Author:
|
|
|
|
Leonardo de Moura (leonardo) 2007-06-07.
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
#pragma once
|
|
|
|
#include "util/vector.h"
|
|
#include "ast/ast.h"
|
|
|
|
/**
|
|
\brief Return true if n1 occurs in n2
|
|
*/
|
|
bool occurs(expr * n1, expr * n2);
|
|
|
|
/**
|
|
\brief Return true if d is used in n
|
|
*/
|
|
bool occurs(func_decl * d, expr * n);
|
|
|
|
/**
|
|
* \brief Return true if s1 occurs in s2
|
|
*/
|
|
bool occurs(sort* s1, sort* s2);
|
|
|
|
/**
|
|
* \brief Mark sub-expressions of to_check by whether v occurs in these.
|
|
*/
|
|
void mark_occurs(ptr_vector<expr>& to_check, expr* v, expr_mark& occurs);
|
|
|
|
|