86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
// Copyright 2010-2022 Google LLC
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Utility functions used by the code in parser.yy
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// Included in parser.tab.cc.
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#include "ortools/flatzinc/parser_util.h"
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#include <cmath>
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#include <string>
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#include <vector>
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#include "absl/strings/string_view.h"
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#include "ortools/base/logging.h"
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#include "ortools/base/mathutil.h"
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#include "ortools/base/stl_util.h"
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#include "ortools/base/types.h"
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#include "ortools/flatzinc/model.h"
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#include "ortools/flatzinc/parser.tab.hh"
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#include "ortools/util/string_array.h"
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extern int orfz_lex(YYSTYPE*, void* scanner);
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extern int orfz_get_lineno(void* scanner);
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extern int orfz_debug;
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void orfz_error(operations_research::fz::ParserContext* context,
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operations_research::fz::Model* model, bool* ok, void* scanner,
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const char* str) {
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LOG(ERROR) << "Error: " << str << " in line no. " << orfz_get_lineno(scanner);
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*ok = false;
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}
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namespace operations_research {
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namespace fz {
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// Whether the given list of annotations contains the given identifier
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// (or function call).
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bool ContainsId(std::vector<Annotation>* annotations, absl::string_view id) {
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if (annotations != nullptr) {
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for (int i = 0; i < annotations->size(); ++i) {
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if (((*annotations)[i].type == Annotation::IDENTIFIER ||
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(*annotations)[i].type == Annotation::FUNCTION_CALL) &&
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(*annotations)[i].id == id) {
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return true;
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}
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}
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}
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return false;
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}
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bool AllDomainsHaveOneValue(const std::vector<Domain>& domains) {
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for (int i = 0; i < domains.size(); ++i) {
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if (!domains[i].HasOneValue()) {
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return false;
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}
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}
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return true;
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}
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int64_t ConvertAsIntegerOrDie(double d) {
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const double rounded = std::round(d);
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const int64_t i = static_cast<int64_t>(rounded);
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CHECK_LE(std::abs(static_cast<double>(i) - rounded), 1e-9);
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return i;
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}
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// Array in flatzinc are 1 based. We use this trivial wrapper for all flatzinc
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// arrays.
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template <class T>
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const T& Lookup(const std::vector<T>& v, int index) {
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// TODO(user): replace this by a macro for better logging.
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CHECK_GE(index, 1);
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CHECK_LE(index, v.size());
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return v[index - 1];
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}
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} // namespace fz
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} // namespace operations_research
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