mirror of
https://github.com/Z3Prover/z3
synced 2025-04-16 05:48:44 +00:00
49 lines
978 B
C++
49 lines
978 B
C++
/*++
|
|
Copyright (c) 2006 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
expr_stat.h
|
|
|
|
Abstract:
|
|
|
|
Expression statistics (symbol count, var count, depth, ...)
|
|
|
|
All functions in these module assume expressions do not contain
|
|
nested quantifiers.
|
|
|
|
Author:
|
|
|
|
Leonardo de Moura (leonardo) 2008-02-05.
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
#pragma once
|
|
|
|
class expr;
|
|
|
|
struct expr_stat {
|
|
unsigned m_sym_count; // symbol count
|
|
unsigned m_depth; // depth
|
|
unsigned m_const_count; // constant count
|
|
unsigned m_max_var_idx;
|
|
bool m_ground;
|
|
expr_stat():m_sym_count(0), m_depth(0), m_const_count(0), m_max_var_idx(0), m_ground(true) {}
|
|
};
|
|
|
|
/**
|
|
\brief Collect statistics regarding the given expression.
|
|
|
|
\warning This function traverses the dag as a tree.
|
|
*/
|
|
void get_expr_stat(expr * n, expr_stat & r);
|
|
|
|
/**
|
|
\brief Return the number of symbols in \c n.
|
|
|
|
\warning This function traverses the dag as a tree.
|
|
*/
|
|
unsigned get_symbol_count(expr * n);
|
|
|