1//===-- flang/unittests/Runtime/tools.h -------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef FORTRAN_UNITTESTS_RUNTIME_TOOLS_H_
10#define FORTRAN_UNITTESTS_RUNTIME_TOOLS_H_
11
12#include "gtest/gtest.h"
13#include "flang/Runtime/allocatable.h"
14#include "flang/Runtime/cpp-type.h"
15#include "flang/Runtime/descriptor.h"
16#include "flang/Runtime/type-code.h"
17#include <cstdint>
18#include <cstring>
19#include <vector>
20
21namespace Fortran::runtime {
22
23template <typename A>
24static void StoreElement(void *p, const A &x, std::size_t bytes) {
25 std::memcpy(dest: p, src: &x, n: bytes);
26}
27
28template <typename CHAR>
29static void StoreElement(
30 void *p, const std::basic_string<CHAR> &str, std::size_t bytes) {
31 ASSERT_LE(bytes, sizeof(CHAR) * str.size());
32 std::memcpy(dest: p, src: str.data(), n: bytes);
33}
34
35template <TypeCategory CAT, int KIND, typename A>
36static OwningPtr<Descriptor> MakeArray(const std::vector<int> &shape,
37 const std::vector<A> &data,
38 std::size_t elemLen = CAT == TypeCategory::Complex ? 2 * KIND : KIND) {
39 auto rank{static_cast<int>(shape.size())};
40 auto result{Descriptor::Create(TypeCode{CAT, KIND}, elemLen, nullptr, rank,
41 nullptr, CFI_attribute_allocatable)};
42 for (int j{0}; j < rank; ++j) {
43 result->GetDimension(j).SetBounds(1, shape[j]);
44 }
45 int stat{result->Allocate()};
46 EXPECT_EQ(stat, 0) << stat;
47 EXPECT_LE(data.size(), result->Elements());
48 char *p{result->OffsetElement<char>()};
49 for (A x : data) {
50 StoreElement(p, x, elemLen);
51 p += elemLen;
52 }
53 return result;
54}
55
56} // namespace Fortran::runtime
57#endif // FORTRAN_UNITTESTS_RUNTIME_TOOLS_H_
58

source code of flang/unittests/Runtime/tools.h