45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Guido Tack <guido.tack@monash.edu>
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <minizinc/flat_exp.hh>
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namespace MiniZinc {
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EE flatten_arraylit(EnvI& env, Ctx ctx, Expression* e, VarDecl* r, VarDecl* b) {
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CallStackItem _csi(env, e);
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EE ret;
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ArrayLit* al = e->cast<ArrayLit>();
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if (al->flat()) {
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ret.b = bind(env, Ctx(), b, constants().lit_true);
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ret.r = bind(env, Ctx(), r, al);
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} else {
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std::vector<EE> elems_ee(al->size());
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for (unsigned int i = al->size(); i--;) elems_ee[i] = flat_exp(env, ctx, (*al)[i], NULL, NULL);
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std::vector<Expression*> elems(elems_ee.size());
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for (unsigned int i = static_cast<unsigned int>(elems.size()); i--;) elems[i] = elems_ee[i].r();
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std::vector<std::pair<int, int> > dims(al->dims());
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for (unsigned int i = al->dims(); i--;) dims[i] = std::pair<int, int>(al->min(i), al->max(i));
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KeepAlive ka;
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{
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GCLock lock;
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ArrayLit* alr = new ArrayLit(Location().introduce(), elems, dims);
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alr->type(al->type());
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alr->flat(true);
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ka = alr;
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}
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ret.b = conj(env, b, Ctx(), elems_ee);
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ret.r = bind(env, Ctx(), r, ka());
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}
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return ret;
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}
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} // namespace MiniZinc
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