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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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Leonardo de Moura 2012-10-02 11:35:25 -07:00
parent 3f9edad676
commit e9eab22e5c
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lib/mk_simplified_app.cpp Normal file
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/*++
Copyright (c) 2011 Microsoft Corporation
Module Name:
mk_simplified_app.cpp
Abstract:
Functor for creating new simplified applications
Author:
Leonardo (leonardo) 2011-06-06
Notes:
--*/
#include"mk_simplified_app.h"
#include"bool_rewriter.h"
#include"arith_rewriter.h"
#include"bv_rewriter.h"
#include"datatype_rewriter.h"
#include"array_rewriter.h"
#include"float_rewriter.h"
struct mk_simplified_app::imp {
ast_manager & m;
bool_rewriter m_b_rw;
arith_rewriter m_a_rw;
bv_rewriter m_bv_rw;
array_rewriter m_ar_rw;
datatype_rewriter m_dt_rw;
float_rewriter m_f_rw;
imp(ast_manager & _m, params_ref const & p):
m(_m),
m_b_rw(m, p),
m_a_rw(m, p),
m_bv_rw(m, p),
m_ar_rw(m, p),
m_dt_rw(m),
m_f_rw(m, p) {
}
br_status mk_core(func_decl * f, unsigned num, expr * const * args, expr_ref & result) {
family_id fid = f->get_family_id();
if (fid == null_family_id)
return BR_FAILED;
br_status st = BR_FAILED;
if (fid == m_b_rw.get_fid()) {
decl_kind k = f->get_decl_kind();
if (k == OP_EQ) {
// theory dispatch for =
SASSERT(num == 2);
family_id s_fid = m.get_sort(args[0])->get_family_id();
if (s_fid == m_a_rw.get_fid())
st = m_a_rw.mk_eq_core(args[0], args[1], result);
else if (s_fid == m_bv_rw.get_fid())
st = m_bv_rw.mk_eq_core(args[0], args[1], result);
else if (s_fid == m_dt_rw.get_fid())
st = m_dt_rw.mk_eq_core(args[0], args[1], result);
else if (s_fid == m_f_rw.get_fid())
st = m_f_rw.mk_eq_core(args[0], args[1], result);
if (st != BR_FAILED)
return st;
}
return m_b_rw.mk_app_core(f, num, args, result);
}
if (fid == m_a_rw.get_fid())
return m_a_rw.mk_app_core(f, num, args, result);
if (fid == m_bv_rw.get_fid())
return m_bv_rw.mk_app_core(f, num, args, result);
if (fid == m_ar_rw.get_fid())
return m_ar_rw.mk_app_core(f, num, args, result);
if (fid == m_dt_rw.get_fid())
return m_dt_rw.mk_app_core(f, num, args, result);
if (fid == m_f_rw.get_fid())
return m_f_rw.mk_app_core(f, num, args, result);
return BR_FAILED;
}
};
mk_simplified_app::mk_simplified_app(ast_manager & m, params_ref const & p):
m_imp(alloc(imp, m, p)) {
}
mk_simplified_app::~mk_simplified_app() {
dealloc(m_imp);
}
br_status mk_simplified_app::mk_core(func_decl * decl, unsigned num, expr * const * args, expr_ref & result) {
return m_imp->mk_core(decl, num, args, result);
}
void mk_simplified_app::operator()(func_decl * decl, unsigned num, expr * const * args, expr_ref & result) {
result = 0;
mk_core(decl, num, args, result);
if (!result)
result = m_imp->m.mk_app(decl, num, args);
// TODO: if the result of mk_core is different from BR_FAILED, then the
// result is not really simplified.
}