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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmExperimental.h"
#include <cassert>
#include <cstddef>
#include <string>
#include "cmMakefile.h"
#include "cmMessageType.h"
#include "cmValue.h"
namespace {
/*
* The `Uuid` fields of these objects should change periodically.
* Search for other instances to keep the documentation and test suite
* up-to-date.
*/
cmExperimental::FeatureData LookupTable[] = {
// ExportPackageDependencies
{ "ExportPackageDependencies",
"1942b4fa-b2c5-4546-9385-83f254070067",
"CMAKE_EXPERIMENTAL_EXPORT_PACKAGE_DEPENDENCIES",
"CMake's EXPORT_PACKAGE_DEPENDENCIES support is experimental. It is meant "
"only for experimentation and feedback to CMake developers.",
{},
cmExperimental::TryCompileCondition::Always,
false },
// WindowsKernelModeDriver
{ "WindowsKernelModeDriver",
"fac18f65-504e-4dbb-b068-f356bb1f2ddb",
"CMAKE_EXPERIMENTAL_WINDOWS_KERNEL_MODE_DRIVER",
"CMake's Windows kernel-mode driver support is experimental. It is meant "
"only for experimentation and feedback to CMake developers.",
{},
cmExperimental::TryCompileCondition::Always,
false },
// CxxImportStd
{ "CxxImportStd",
"0e5b6991-d74f-4b3d-a41c-cf096e0b2508",
"CMAKE_EXPERIMENTAL_CXX_IMPORT_STD",
"CMake's support for `import std;` in C++23 and newer is experimental. It "
"is meant only for experimentation and feedback to CMake developers.",
{},
cmExperimental::TryCompileCondition::Always,
false },
// ExportPackageInfo
{ "ExportPackageInfo",
"b80be207-778e-46ba-8080-b23bba22639e",
"CMAKE_EXPERIMENTAL_EXPORT_PACKAGE_INFO",
"CMake's support for exporting package information in the Common Package "
"Specification format is experimental. It is meant only for "
"experimentation and feedback to CMake developers.",
{},
cmExperimental::TryCompileCondition::Always,
false },
// ExportBuildDatabase
{ "ExportBuildDatabase",
"4bd552e2-b7fb-429a-ab23-c83ef53f3f13",
"CMAKE_EXPERIMENTAL_EXPORT_BUILD_DATABASE",
"CMake's support for exporting build databases is experimental. It is "
"meant only for experimentation and feedback to CMake developers.",
{},
cmExperimental::TryCompileCondition::Never,
false },
};
static_assert(sizeof(LookupTable) / sizeof(LookupTable[0]) ==
static_cast<size_t>(cmExperimental::Feature::Sentinel),
"Experimental feature lookup table mismatch");
cmExperimental::FeatureData& DataForFeature(cmExperimental::Feature f)
{
assert(f != cmExperimental::Feature::Sentinel);
return LookupTable[static_cast<size_t>(f)];
}
}
const cmExperimental::FeatureData& cmExperimental::DataForFeature(Feature f)
{
return ::DataForFeature(f);
}
cm::optional<cmExperimental::Feature> cmExperimental::FeatureByName(
std::string const& name)
{
size_t idx = 0;
for (auto const& feature : LookupTable) {
if (feature.Name == name) {
return static_cast<Feature>(idx);
}
++idx;
}
return {};
}
bool cmExperimental::HasSupportEnabled(cmMakefile const& mf, Feature f)
{
bool enabled = false;
auto& data = ::DataForFeature(f);
auto value = mf.GetDefinition(data.Variable);
if (value == data.Uuid) {
enabled = true;
}
if (enabled && !data.Warned) {
mf.IssueMessage(MessageType::AUTHOR_WARNING, data.Description);
data.Warned = true;
}
return enabled;
}
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