1 files changed, 74 insertions, 0 deletions
diff --git a/Source/cmBreakCommand.cxx b/Source/cmBreakCommand.cxx
new file mode 100644
index 0000000..d07898f
--- /dev/null
+++ b/Source/cmBreakCommand.cxx
@@ -0,0 +1,74 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#include "cmBreakCommand.h"
+
+#include <sstream>
+
+#include "cmExecutionStatus.h"
+#include "cmMakefile.h"
+#include "cmMessageType.h"
+#include "cmPolicies.h"
+
+// cmBreakCommand
+bool cmBreakCommand::InitialPass(std::vector<std::string> const& args,
+                                 cmExecutionStatus& status)
+{
+  if (!this->Makefile->IsLoopBlock()) {
+    bool issueMessage = true;
+    std::ostringstream e;
+    MessageType messageType = MessageType::AUTHOR_WARNING;
+    switch (this->Makefile->GetPolicyStatus(cmPolicies::CMP0055)) {
+      case cmPolicies::WARN:
+        e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0055) << "\n";
+        break;
+      case cmPolicies::OLD:
+        issueMessage = false;
+        break;
+      case cmPolicies::REQUIRED_ALWAYS:
+      case cmPolicies::REQUIRED_IF_USED:
+      case cmPolicies::NEW:
+        messageType = MessageType::FATAL_ERROR;
+        break;
+    }
+
+    if (issueMessage) {
+      e << "A BREAK command was found outside of a proper "
+           "FOREACH or WHILE loop scope.";
+      this->Makefile->IssueMessage(messageType, e.str());
+      if (messageType == MessageType::FATAL_ERROR) {
+        return false;
+      }
+    }
+  }
+
+  status.SetBreakInvoked();
+
+  if (!args.empty()) {
+    bool issueMessage = true;
+    std::ostringstream e;
+    MessageType messageType = MessageType::AUTHOR_WARNING;
+    switch (this->Makefile->GetPolicyStatus(cmPolicies::CMP0055)) {
+      case cmPolicies::WARN:
+        e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0055) << "\n";
+        break;
+      case cmPolicies::OLD:
+        issueMessage = false;
+        break;
+      case cmPolicies::REQUIRED_ALWAYS:
+      case cmPolicies::REQUIRED_IF_USED:
+      case cmPolicies::NEW:
+        messageType = MessageType::FATAL_ERROR;
+        break;
+    }
+
+    if (issueMessage) {
+      e << "The BREAK command does not accept any arguments.";
+      this->Makefile->IssueMessage(messageType, e.str());
+      if (messageType == MessageType::FATAL_ERROR) {
+        return false;
+      }
+    }
+  }
+
+  return true;
+}