1 files changed, 127 insertions, 0 deletions
diff --git a/Source/cmDepends.h b/Source/cmDepends.h
new file mode 100644
index 0000000..0e1cbb9
--- /dev/null
+++ b/Source/cmDepends.h
@@ -0,0 +1,127 @@
+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
+
+  Distributed under the OSI-approved BSD License (the "License");
+  see accompanying file Copyright.txt for details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the License for more information.
+============================================================================*/
+#ifndef cmDepends_h
+#define cmDepends_h
+
+#include "cmStandardIncludes.h"
+
+class cmFileTimeComparison;
+class cmLocalGenerator;
+
+/** \class cmDepends
+ * \brief Dependency scanner superclass.
+ *
+ * This class is responsible for maintaining a .depends.make file in
+ * the build tree corresponding to an object file.  Subclasses help it
+ * maintain dependencies for particular languages.
+ */
+class cmDepends
+{
+public:
+  /** Instances need to know the build directory name and the relative
+      path from the build directory to the target file.  */
+  cmDepends(cmLocalGenerator* lg = CM_NULLPTR, const char* targetDir = "");
+
+  /** at what level will the compile be done from */
+  void SetCompileDirectory(const char* dir) { this->CompileDirectory = dir; }
+
+  /** Set the local generator for the directory in which we are
+      scanning dependencies.  This is not a full local generator; it
+      has been setup to do relative path conversions for the current
+      directory.  */
+  void SetLocalGenerator(cmLocalGenerator* lg) { this->LocalGenerator = lg; }
+
+  /** Set the specific language to be scanned.  */
+  void SetLanguage(const std::string& lang) { this->Language = lang; }
+
+  /** Set the target build directory.  */
+  void SetTargetDirectory(const char* dir) { this->TargetDirectory = dir; }
+
+  /** should this be verbose in its output */
+  void SetVerbose(bool verb) { this->Verbose = verb; }
+
+  /** Virtual destructor to cleanup subclasses properly.  */
+  virtual ~cmDepends();
+
+  /** Write dependencies for the target file.  */
+  bool Write(std::ostream& makeDepends, std::ostream& internalDepends);
+
+  class DependencyVector : public std::vector<std::string>
+  {
+  };
+
+  /** Check dependencies for the target file.  Returns true if
+      dependencies are okay and false if they must be generated.  If
+      they must be generated Clear has already been called to wipe out
+      the old dependencies.
+      Dependencies which are still valid will be stored in validDeps. */
+  bool Check(const char* makeFile, const char* internalFile,
+             std::map<std::string, DependencyVector>& validDeps);
+
+  /** Clear dependencies for the target file so they will be regenerated.  */
+  void Clear(const char* file);
+
+  /** Set the file comparison object */
+  void SetFileComparison(cmFileTimeComparison* fc)
+  {
+    this->FileComparison = fc;
+  }
+
+protected:
+  // Write dependencies for the target file to the given stream.
+  // Return true for success and false for failure.
+  virtual bool WriteDependencies(const std::set<std::string>& sources,
+                                 const std::string& obj,
+                                 std::ostream& makeDepends,
+                                 std::ostream& internalDepends);
+
+  // Check dependencies for the target file in the given stream.
+  // Return false if dependencies must be regenerated and true
+  // otherwise.
+  virtual bool CheckDependencies(
+    std::istream& internalDepends, const char* internalDependsFileName,
+    std::map<std::string, DependencyVector>& validDeps);
+
+  // Finalize the dependency information for the target.
+  virtual bool Finalize(std::ostream& makeDepends,
+                        std::ostream& internalDepends);
+
+  // The directory in which the build rule for the target file is executed.
+  std::string CompileDirectory;
+
+  // The local generator.
+  cmLocalGenerator* LocalGenerator;
+
+  // Flag for verbose output.
+  bool Verbose;
+  cmFileTimeComparison* FileComparison;
+
+  std::string Language;
+
+  // The full path to the target's build directory.
+  std::string TargetDirectory;
+
+  size_t MaxPath;
+  char* Dependee;
+  char* Depender;
+
+  // The include file search path.
+  std::vector<std::string> IncludePath;
+
+  void SetIncludePathFromLanguage(const std::string& lang);
+
+private:
+  cmDepends(cmDepends const&);      // Purposely not implemented.
+  void operator=(cmDepends const&); // Purposely not implemented.
+};
+
+#endif