install: support `CXX_MODULES_BMI` installation bits

1 files changed, 75 insertions, 0 deletions

diff --git a/Source/cmInstallCxxModuleBmiGenerator.cxx b/Source/cmInstallCxxModuleBmiGenerator.cxx
new file mode 100644
index 0000000000..1ef1eaa8fa
--- /dev/null
+++ b/Source/cmInstallCxxModuleBmiGenerator.cxx
@@ -0,0 +1,75 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#include "cmInstallCxxModuleBmiGenerator.h"
+
+#include <ostream>
+#include <utility>
+
+#include "cmGeneratorExpression.h"
+#include "cmGeneratorTarget.h"
+#include "cmGlobalGenerator.h"
+#include "cmListFileCache.h"
+#include "cmLocalGenerator.h"
+#include "cmOutputConverter.h"
+#include "cmStringAlgorithms.h"
+
+cmInstallCxxModuleBmiGenerator::cmInstallCxxModuleBmiGenerator(
+  std::string target, std::string const& dest, std::string file_permissions,
+  std::vector<std::string> const& configurations, std::string const& component,
+  MessageLevel message, bool exclude_from_all, bool optional,
+  cmListFileBacktrace backtrace)
+  : cmInstallGenerator(dest, configurations, component, message,
+                       exclude_from_all, false, std::move(backtrace))
+  , TargetName(std::move(target))
+  , FilePermissions(std::move(file_permissions))
+  , Optional(optional)
+{
+  this->ActionsPerConfig = true;
+}
+
+cmInstallCxxModuleBmiGenerator::~cmInstallCxxModuleBmiGenerator() = default;
+
+bool cmInstallCxxModuleBmiGenerator::Compute(cmLocalGenerator* lg)
+{
+  this->LocalGenerator = lg;
+
+  this->Target = lg->FindLocalNonAliasGeneratorTarget(this->TargetName);
+  if (!this->Target) {
+    // If no local target has been found, find it in the global scope.
+    this->Target =
+      lg->GetGlobalGenerator()->FindGeneratorTarget(this->TargetName);
+  }
+
+  return true;
+}
+
+std::string cmInstallCxxModuleBmiGenerator::GetScriptLocation(
+  std::string const& config) const
+{
+  char const* config_name = config.c_str();
+  if (config.empty()) {
+    config_name = "noconfig";
+  }
+  return cmStrCat(this->Target->GetSupportDirectory(),
+                  "/install-cxx-module-bmi-", config_name, ".cmake");
+}
+
+std::string cmInstallCxxModuleBmiGenerator::GetDestination(
+  std::string const& config) const
+{
+  return cmGeneratorExpression::Evaluate(this->Destination,
+                                         this->LocalGenerator, config);
+}
+
+void cmInstallCxxModuleBmiGenerator::GenerateScriptForConfig(
+  std::ostream& os, const std::string& config, Indent indent)
+{
+  auto const& loc = this->GetScriptLocation(config);
+  if (loc.empty()) {
+    return;
+  }
+  os << indent << "include(\""
+     << cmOutputConverter::EscapeForCMake(
+          loc, cmOutputConverter::WrapQuotes::NoWrap)
+     << "\" OPTIONAL)\n";
+}