1 files changed, 139 insertions, 0 deletions
diff --git a/Source/cmIncludeCommand.cxx b/Source/cmIncludeCommand.cxx
new file mode 100644
index 0000000..cd4d850
--- /dev/null
+++ b/Source/cmIncludeCommand.cxx
@@ -0,0 +1,139 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#include "cmIncludeCommand.h"
+
+#include <sstream>
+
+#include "cmGlobalGenerator.h"
+#include "cmMakefile.h"
+#include "cmPolicies.h"
+#include "cmSystemTools.h"
+#include "cmake.h"
+
+class cmExecutionStatus;
+
+// cmIncludeCommand
+bool cmIncludeCommand::InitialPass(std::vector<std::string> const& args,
+                                   cmExecutionStatus&)
+{
+  if (args.empty() || args.size() > 4) {
+    this->SetError("called with wrong number of arguments.  "
+                   "include() only takes one file.");
+    return false;
+  }
+  bool optional = false;
+  bool noPolicyScope = false;
+  std::string fname = args[0];
+  std::string resultVarName;
+
+  for (unsigned int i = 1; i < args.size(); i++) {
+    if (args[i] == "OPTIONAL") {
+      if (optional) {
+        this->SetError("called with invalid arguments: OPTIONAL used twice");
+        return false;
+      }
+      optional = true;
+    } else if (args[i] == "RESULT_VARIABLE") {
+      if (!resultVarName.empty()) {
+        this->SetError("called with invalid arguments: "
+                       "only one result variable allowed");
+        return false;
+      }
+      if (++i < args.size()) {
+        resultVarName = args[i];
+      } else {
+        this->SetError("called with no value for RESULT_VARIABLE.");
+        return false;
+      }
+    } else if (args[i] == "NO_POLICY_SCOPE") {
+      noPolicyScope = true;
+    } else if (i > 1) // compat.: in previous cmake versions the second
+                      // parameter was ignored if it wasn't "OPTIONAL"
+    {
+      std::string errorText = "called with invalid argument: ";
+      errorText += args[i];
+      this->SetError(errorText);
+      return false;
+    }
+  }
+
+  if (fname.empty()) {
+    this->Makefile->IssueMessage(cmake::AUTHOR_WARNING,
+                                 "include() given empty file name (ignored).");
+    return true;
+  }
+
+  if (!cmSystemTools::FileIsFullPath(fname.c_str())) {
+    // Not a path. Maybe module.
+    std::string module = fname;
+    module += ".cmake";
+    std::string mfile = this->Makefile->GetModulesFile(module.c_str());
+    if (!mfile.empty()) {
+      fname = mfile;
+    }
+  }
+
+  std::string fname_abs = cmSystemTools::CollapseFullPath(
+    fname, this->Makefile->GetCurrentSourceDirectory());
+
+  cmGlobalGenerator* gg = this->Makefile->GetGlobalGenerator();
+  if (gg->IsExportedTargetsFile(fname_abs)) {
+    const char* modal = nullptr;
+    std::ostringstream e;
+    cmake::MessageType messageType = cmake::AUTHOR_WARNING;
+
+    switch (this->Makefile->GetPolicyStatus(cmPolicies::CMP0024)) {
+      case cmPolicies::WARN:
+        e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0024) << "\n";
+        modal = "should";
+      case cmPolicies::OLD:
+        break;
+      case cmPolicies::REQUIRED_IF_USED:
+      case cmPolicies::REQUIRED_ALWAYS:
+      case cmPolicies::NEW:
+        modal = "may";
+        messageType = cmake::FATAL_ERROR;
+    }
+    if (modal) {
+      e << "The file\n  " << fname_abs << "\nwas generated by the export() "
+                                          "command.  It "
+        << modal
+        << " not be used as the argument to the "
+           "include() command.  Use ALIAS targets instead to refer to targets "
+           "by alternative names.\n";
+      this->Makefile->IssueMessage(messageType, e.str());
+      if (messageType == cmake::FATAL_ERROR) {
+        return false;
+      }
+    }
+    gg->CreateGenerationObjects();
+    gg->GenerateImportFile(fname_abs);
+  }
+
+  std::string listFile = cmSystemTools::CollapseFullPath(
+    fname, this->Makefile->GetCurrentSourceDirectory());
+  if (optional && !cmSystemTools::FileExists(listFile.c_str())) {
+    if (!resultVarName.empty()) {
+      this->Makefile->AddDefinition(resultVarName, "NOTFOUND");
+    }
+    return true;
+  }
+
+  bool readit =
+    this->Makefile->ReadDependentFile(listFile.c_str(), noPolicyScope);
+
+  // add the location of the included file if a result variable was given
+  if (!resultVarName.empty()) {
+    this->Makefile->AddDefinition(resultVarName,
+                                  readit ? fname_abs.c_str() : "NOTFOUND");
+  }
+
+  if (!optional && !readit && !cmSystemTools::GetFatalErrorOccured()) {
+    std::string m = "could not find load file:\n"
+                    "  ";
+    m += fname;
+    this->SetError(m);
+    return false;
+  }
+  return true;
+}