30 lines
1,013 B
C++
30 lines
1,013 B
C++
/*
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Copyright (c) 2013 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#pragma once
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#include "expr.h"
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namespace lean {
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/**
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\brief Replace the expressions s[0], ..., s[n-1] in e with var(n-1), ..., var(0).
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Structural equality is used to compare subexpressions of e with the s[i]'s.
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\pre s[0], ..., s[n-1] must be closed expressions (i.e., no free variables).
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*/
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expr abstract(unsigned n, expr const * s, expr const & e);
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inline expr abstract(expr const & s, expr const & e) { return abstract(1, &s, e); }
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/**
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\brief Replace the expressions s[0], ..., s[n-1] in e with var(n-1), ..., var(0).
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Pointer comparison is used to compare subexpressions of e with the s[i]'s.
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\pre s[0], ..., s[n-1] must be closed expressions (i.e., no free variables).
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*/
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expr abstract_p(unsigned n, expr const * s, expr const & e);
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inline expr abstract_p(expr const & s, expr const & e) { return abstract_p(1, &s, e); }
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}
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