added if else endif add definition

12 files changed, 585 insertions, 8 deletions

diff --git a/Source/cmAddDefinitionsCommand.cxx b/Source/cmAddDefinitionsCommand.cxx
new file mode 100644
index 0000000..de8841f
--- /dev/null
+++ b/Source/cmAddDefinitionsCommand.cxx
@@ -0,0 +1,33 @@
+/*=========================================================================
+
+  Program:   Insight Segmentation & Registration Toolkit
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) 2000 National Library of Medicine
+  All rights reserved.
+
+  See COPYRIGHT.txt for copyright details.
+
+=========================================================================*/
+#include "cmAddDefinitionsCommand.h"
+
+// cmAddDefinitionsCommand
+bool cmAddDefinitionsCommand::Invoke(std::vector<std::string>& args)
+{
+  if(args.size() < 1 )
+    {
+    this->SetError("called with incorrect number of arguments");
+    return false;
+    }
+  for(std::vector<std::string>::iterator i = args.begin();
+      i != args.end(); ++i)
+    {
+    m_Makefile->AddDefineFlag((*i).c_str());
+    }
+  return true;
+}
+
diff --git a/Source/cmAddDefinitionsCommand.h b/Source/cmAddDefinitionsCommand.h
new file mode 100644
index 0000000..66996da
--- /dev/null
+++ b/Source/cmAddDefinitionsCommand.h
@@ -0,0 +1,79 @@
+/*=========================================================================
+
+  Program:   Insight Segmentation & Registration Toolkit
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) 2000 National Library of Medicine
+  All rights reserved.
+
+  See COPYRIGHT.txt for copyright details.
+
+=========================================================================*/
+#ifndef cmAddDefinitionsCommand_h
+#define cmAddDefinitionsCommand_h
+
+#include "cmStandardIncludes.h"
+#include "cmCommand.h"
+
+/** \class cmAddDefinitionsCommand
+ * \brief Specify a list of compiler defines
+ *
+ * cmAddDefinitionsCommand specifies a list of compiler defines. These defines will
+ * be added to the compile command.  
+ */
+class cmAddDefinitionsCommand : public cmCommand
+{
+public:
+  /**
+   * This is a virtual constructor for the command.
+   */
+  virtual cmCommand* Clone() 
+    {
+    return new cmAddDefinitionsCommand;
+    }
+
+  /**
+   * This is called when the command is first encountered in
+   * the CMakeLists.txt file.
+   */
+  virtual bool Invoke(std::vector<std::string>& args);
+
+  /**
+   * This determines if the command gets propagated down
+   * to makefiles located in subdirectories.
+   */
+  virtual bool IsInherited() {return true;}
+
+  /**
+   * The name of the command as specified in CMakeList.txt.
+   */
+  virtual const char* GetName() {return "ADD_DEFINITIONS";}
+  
+  /**
+   * Succinct documentation.
+   */
+  virtual const char* GetTerseDocumentation() 
+    {
+    return "Add -D define flags to command line for  environments.";
+    }
+  
+  /**
+   * More documentation.
+   */
+  virtual const char* GetFullDocumentation()
+    {
+    return
+      "ADD_DEFINITIONS(-DFOO -DBAR ...)\n"
+      "Add -D define flags to command line for  environments.";
+    }
+  
+  cmTypeMacro(cmAddDefinitionsCommand, cmCommand);
+};
+
+
+
+#endif
diff --git a/Source/cmCommands.cxx b/Source/cmCommands.cxx
index 4e1f38a..2865806 100644
--- a/Source/cmCommands.cxx
+++ b/Source/cmCommands.cxx
@@ -43,6 +43,10 @@
 #include "cmUtilitySourceCommand.cxx"
 #include "cmIncludeRegularExpressionCommand.cxx"
 #include "cmSourceGroupCommand.cxx"
+#include "cmIfCommand.cxx"
+#include "cmElseCommand.cxx"
+#include "cmEndIfCommand.cxx"
+#include "cmAddDefinitionsCommand.cxx"
 
 void GetPredefinedCommands(std::list<cmCommand*>& commands)
 {
@@ -83,6 +87,10 @@ void GetPredefinedCommands(std::list<cmCommand*>& commands)
   commands.push_back(new cmUtilitySourceCommand);
   commands.push_back(new cmIncludeRegularExpressionCommand);
   commands.push_back(new cmSourceGroupCommand);
+  commands.push_back(new cmIfCommand);
+  commands.push_back(new cmElseCommand);
+  commands.push_back(new cmEndIfCommand);
+  commands.push_back(new cmAddDefinitionsCommand);
 }
 
   
diff --git a/Source/cmElseCommand.cxx b/Source/cmElseCommand.cxx
new file mode 100644
index 0000000..ff396fc
--- /dev/null
+++ b/Source/cmElseCommand.cxx
@@ -0,0 +1,45 @@
+/*=========================================================================
+
+  Program:   Insight Segmentation & Registration Toolkit
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) 2000 National Library of Medicine
+  All rights reserved.
+
+  See COPYRIGHT.txt for copyright details.
+
+=========================================================================*/
+#include "cmElseCommand.h"
+#include "cmCacheManager.h"
+
+bool cmElseCommand::Invoke(std::vector<std::string>& args)
+{
+  if(args.size() < 1 )
+    {
+    this->SetError("called with incorrect number of arguments");
+    return false;
+    }
+
+  // check to see if the argument is defined first
+  const char *def = m_Makefile->GetDefinition(args[0].c_str());
+  if(def && strcmp(def,"0") && strcmp(def,"false") && strcmp(def,"") && 
+     strcmp(def,"NOTFOUND"))
+    {
+    // add block
+    cmIfFunctionBlocker *f = new cmIfFunctionBlocker();
+    f->m_Define = args[0];
+    m_Makefile->AddFunctionBlocker(f);
+    }
+  else
+    {
+    // remove any function blockers for this define
+    m_Makefile->RemoveFunctionBlocker("ENDIF",args);
+    }
+  
+  return true;
+}
+
diff --git a/Source/cmElseCommand.h b/Source/cmElseCommand.h
new file mode 100644
index 0000000..b418b7e
--- /dev/null
+++ b/Source/cmElseCommand.h
@@ -0,0 +1,69 @@
+/*=========================================================================
+
+  Program:   Insight Segmentation & Registration Toolkit
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) 2000 National Library of Medicine
+  All rights reserved.
+
+  See COPYRIGHT.txt for copyright details.
+
+=========================================================================*/
+#ifndef cmElseCommand_h
+#define cmElseCommand_h
+
+#include "cmIfCommand.h"
+
+/** \class cmElseCommand
+ * \brief ends an if block
+ *
+ * cmElseCommand ends an if block
+ */
+class cmElseCommand : public cmCommand
+{
+public:
+  /**
+   * This is a virtual constructor for the command.
+   */
+  virtual cmCommand* Clone() 
+    {
+    return new cmElseCommand;
+    }
+
+  /**
+   * This is called when the command is first encountered in
+   * the CMakeLists.txt file.
+   */
+  virtual bool Invoke(std::vector<std::string>& args);
+
+  /**
+   * The name of the command as specified in CMakeList.txt.
+   */
+  virtual const char* GetName() { return "ELSE";}
+
+  /**
+   * Succinct documentation.
+   */
+  virtual const char* GetTerseDocumentation() 
+    {
+    return "starts the else portion of an if block";
+    }
+  
+  /**
+   * More documentation.
+   */
+  virtual const char* GetFullDocumentation()
+    {
+    return
+      "ELSE(define)";
+    }
+  
+  cmTypeMacro(cmElseCommand, cmCommand);
+};
+
+
+#endif
diff --git a/Source/cmEndIfCommand.cxx b/Source/cmEndIfCommand.cxx
new file mode 100644
index 0000000..c87c659
--- /dev/null
+++ b/Source/cmEndIfCommand.cxx
@@ -0,0 +1,32 @@
+/*=========================================================================
+
+  Program:   Insight Segmentation & Registration Toolkit
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) 2000 National Library of Medicine
+  All rights reserved.
+
+  See COPYRIGHT.txt for copyright details.
+
+=========================================================================*/
+#include "cmEndIfCommand.h"
+#include "cmCacheManager.h"
+
+bool cmEndIfCommand::Invoke(std::vector<std::string>& args)
+{
+  if(args.size() < 1 )
+    {
+    this->SetError("called with incorrect number of arguments");
+    return false;
+    }
+
+  // remove any function blockers for this define
+  m_Makefile->RemoveFunctionBlocker("ENDIF",args);
+  
+  return true;
+}
+
diff --git a/Source/cmEndIfCommand.h b/Source/cmEndIfCommand.h
new file mode 100644
index 0000000..ad399c7
--- /dev/null
+++ b/Source/cmEndIfCommand.h
@@ -0,0 +1,69 @@
+/*=========================================================================
+
+  Program:   Insight Segmentation & Registration Toolkit
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) 2000 National Library of Medicine
+  All rights reserved.
+
+  See COPYRIGHT.txt for copyright details.
+
+=========================================================================*/
+#ifndef cmEndIfCommand_h
+#define cmEndIfCommand_h
+
+#include "cmIfCommand.h"
+
+/** \class cmEndIfCommand
+ * \brief ends an if block
+ *
+ * cmEndIfCommand ends an if block
+ */
+class cmEndIfCommand : public cmCommand
+{
+public:
+  /**
+   * This is a virtual constructor for the command.
+   */
+  virtual cmCommand* Clone() 
+    {
+    return new cmEndIfCommand;
+    }
+
+  /**
+   * This is called when the command is first encountered in
+   * the CMakeLists.txt file.
+   */
+  virtual bool Invoke(std::vector<std::string>& args);
+
+  /**
+   * The name of the command as specified in CMakeList.txt.
+   */
+  virtual const char* GetName() { return "ENDIF";}
+
+  /**
+   * Succinct documentation.
+   */
+  virtual const char* GetTerseDocumentation() 
+    {
+    return "ends an if block";
+    }
+  
+  /**
+   * More documentation.
+   */
+  virtual const char* GetFullDocumentation()
+    {
+    return
+      "ENDIF(define)";
+    }
+  
+  cmTypeMacro(cmEndIfCommand, cmCommand);
+};
+
+
+#endif
diff --git a/Source/cmFunctionBlocker.h b/Source/cmFunctionBlocker.h
new file mode 100644
index 0000000..7ec6e25
--- /dev/null
+++ b/Source/cmFunctionBlocker.h
@@ -0,0 +1,44 @@
+/*=========================================================================
+
+  Program:   Insight Segmentation & Registration Toolkit
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) 2000 National Library of Medicine
+  All rights reserved.
+
+  See COPYRIGHT.txt for copyright details.
+
+=========================================================================*/
+#ifndef cmFunctionBlocker_h
+#define cmFunctionBlocker_h
+
+#include "cmStandardIncludes.h"
+class cmMakefile;
+
+/** \class cmFunctionBlocker
+ * \brief A class that defines an interface for blocking cmake functions
+ *
+ * This is the superclass for any classes that need to block a cmake function
+ */
+class cmFunctionBlocker
+{
+public:
+  /**
+   * should a function be blocked
+   */
+  virtual bool IsFunctionBlocked(const char *name, const std::vector<std::string> &args, 
+                                 const cmMakefile &mf) const = 0;
+
+  /**
+   * should this function blocker be removed, useful when one function adds a blocker
+   * and another must remove it
+   */
+  virtual bool ShouldRemove(const char *name, const std::vector<std::string> &args, 
+                            const cmMakefile &mf) const {return false;}
+};
+
+#endif
diff --git a/Source/cmIfCommand.cxx b/Source/cmIfCommand.cxx
new file mode 100644
index 0000000..5dab24b
--- /dev/null
+++ b/Source/cmIfCommand.cxx
@@ -0,0 +1,66 @@
+/*=========================================================================
+
+  Program:   Insight Segmentation & Registration Toolkit
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) 2000 National Library of Medicine
+  All rights reserved.
+
+  See COPYRIGHT.txt for copyright details.
+
+=========================================================================*/
+#include "cmIfCommand.h"
+#include "cmCacheManager.h"
+
+bool cmIfFunctionBlocker::
+IsFunctionBlocked(const char *name, const std::vector<std::string> &args, 
+                  const cmMakefile &mf) const
+{
+  if (strcmp(name,"ELSE") && strcmp(name,"ENDIF"))
+    {
+    return true;
+    }
+  if (strcmp(args[0].c_str(),m_Define.c_str()))
+    {
+    return true;
+    }
+  return false;
+}
+
+bool cmIfFunctionBlocker::
+ShouldRemove(const char *name, const std::vector<std::string> &args, 
+             const cmMakefile &mf) const
+{
+  return !this->IsFunctionBlocked(name,args,mf);
+}
+
+bool cmIfCommand::Invoke(std::vector<std::string>& args)
+{
+  if(args.size() < 1 )
+    {
+    this->SetError("called with incorrect number of arguments");
+    return false;
+    }
+
+  // check to see if the argument is defined first
+  const char *def = m_Makefile->GetDefinition(args[0].c_str());
+  if(def && strcmp(def,"0") && strcmp(def,"false") && strcmp(def,"") && 
+     strcmp(def,"NOTFOUND"))
+    {
+    // do nothing
+    }
+  else
+    {
+    // create a function blocker
+    cmIfFunctionBlocker *f = new cmIfFunctionBlocker();
+    f->m_Define = args[0];
+    m_Makefile->AddFunctionBlocker(f);
+    }
+  
+  return true;
+}
+
diff --git a/Source/cmIfCommand.h b/Source/cmIfCommand.h
new file mode 100644
index 0000000..2523f8b
--- /dev/null
+++ b/Source/cmIfCommand.h
@@ -0,0 +1,86 @@
+/*=========================================================================
+
+  Program:   Insight Segmentation & Registration Toolkit
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) 2000 National Library of Medicine
+  All rights reserved.
+
+  See COPYRIGHT.txt for copyright details.
+
+=========================================================================*/
+#ifndef cmIfCommand_h
+#define cmIfCommand_h
+
+#include "cmStandardIncludes.h"
+#include "cmCommand.h"
+#include "cmFunctionBlocker.h"
+
+/** \class cmIfFunctionBlocker
+ * \brief subclass of function blocker
+ *
+ * 
+ */
+class cmIfFunctionBlocker : public cmFunctionBlocker
+{
+public:
+  virtual bool IsFunctionBlocked(const char *name, const std::vector<std::string> &args, 
+                                 const cmMakefile &mf) const;
+  virtual bool ShouldRemove(const char *name, const std::vector<std::string> &args, 
+                            const cmMakefile &mf) const;
+  std::string m_Define;
+};
+
+/** \class cmIfCommand
+ * \brief starts an if block
+ *
+ * cmIfCommand starts an if block
+ */
+class cmIfCommand : public cmCommand
+{
+public:
+  /**
+   * This is a virtual constructor for the command.
+   */
+  virtual cmCommand* Clone() 
+    {
+    return new cmIfCommand;
+    }
+
+  /**
+   * This is called when the command is first encountered in
+   * the CMakeLists.txt file.
+   */
+  virtual bool Invoke(std::vector<std::string>& args);
+
+  /**
+   * The name of the command as specified in CMakeList.txt.
+   */
+  virtual const char* GetName() { return "IF";}
+
+  /**
+   * Succinct documentation.
+   */
+  virtual const char* GetTerseDocumentation() 
+    {
+    return "start an if block";
+    }
+  
+  /**
+   * More documentation.
+   */
+  virtual const char* GetFullDocumentation()
+    {
+    return
+      "IF(define)";
+    }
+  
+  cmTypeMacro(cmIfCommand, cmCommand);
+};
+
+
+#endif
diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index 139bcd0..4dd27b4 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -22,6 +22,7 @@
 #include "cmMakefileGenerator.h"
 #include "cmCommands.h"
 #include "cmCacheManager.h"
+#include "cmFunctionBlocker.h"
 
 // default is not to be building executables
 cmMakefile::cmMakefile()
@@ -74,10 +75,10 @@ cmMakefile::~cmMakefile()
   delete m_MakefileGenerator;
 }
 
-void cmMakefile::PrintStringVector(const char* s, std::vector<std::string>& v)
+void cmMakefile::PrintStringVector(const char* s, const std::vector<std::string>& v) const
 {
   std::cout << s << ": ( \n";
-  for(std::vector<std::string>::iterator i = v.begin();
+  for(std::vector<std::string>::const_iterator i = v.begin();
       i != v.end(); ++i)
     {
     std::cout << (*i).c_str() << " ";
@@ -87,7 +88,7 @@ void cmMakefile::PrintStringVector(const char* s, std::vector<std::string>& v)
 
 
 // call print on all the classes in the makefile
-void cmMakefile::Print()
+void cmMakefile::Print() const
 {
   // print the class lists
   std::cout << "classes:\n";
@@ -178,7 +179,8 @@ bool cmMakefile::ReadListFile(const char* filename)
   std::vector<std::string> arguments;
   while ( fin )
     {
-    if(cmSystemTools::ParseFunction(fin, name, arguments) )
+    if(cmSystemTools::ParseFunction(fin, name, arguments) &&
+       !this->IsFunctionBlocked(name.c_str(),arguments))
       {
       // Special command that needs to be removed when 
       // ADD_COMMAND is implemented
@@ -681,3 +683,37 @@ cmMakefile::GetClassesFromSourceLists(
   return result;
 }
 
+bool cmMakefile::IsFunctionBlocked(const char *name,
+                                   std::vector<std::string> &args) const
+{
+  // loop over all function blockers to see if any block this command
+  std::set<cmFunctionBlocker *>::const_iterator pos;
+  for (pos = m_FunctionBlockers.begin(); 
+       pos != m_FunctionBlockers.end(); ++pos)
+    {
+    if ((*pos)->IsFunctionBlocked(name, args, *this))
+      {
+      return true;
+      }
+    }
+  
+  return false;
+}
+
+void cmMakefile::RemoveFunctionBlocker(const char *name,
+								       const std::vector<std::string> &args)
+{
+  // loop over all function blockers to see if any block this command
+  std::set<cmFunctionBlocker *>::const_iterator pos;
+  for (pos = m_FunctionBlockers.begin(); 
+       pos != m_FunctionBlockers.end(); ++pos)
+    {
+    if ((*pos)->ShouldRemove(name, args, *this))
+      {
+      m_FunctionBlockers.erase(*pos);
+      return;
+      }
+    }
+  
+  return;
+}
diff --git a/Source/cmMakefile.h b/Source/cmMakefile.h
index fd12074..604a9ed 100644
--- a/Source/cmMakefile.h
+++ b/Source/cmMakefile.h
@@ -21,6 +21,7 @@
 #include "cmSystemTools.h"
 #include "cmSourceGroup.h"
 #include "cmTarget.h"
+class cmFunctionBlocker;
 class cmCommand;
 class cmMakefileGenerator;
 
@@ -55,6 +56,15 @@ public:
   void AddCommand(cmCommand* );
 
   /**
+   * Add a function blocker to this makefile
+   */
+  void AddFunctionBlocker(cmFunctionBlocker *fb)
+    { m_FunctionBlockers.insert(fb);}
+  void RemoveFunctionBlocker(cmFunctionBlocker *fb)
+    { m_FunctionBlockers.erase(fb);}
+  void RemoveFunctionBlocker(const char *name, const std::vector<std::string> &args);
+  
+  /**
    * Specify the makefile generator. This is platform/compiler
    * dependent, although the interface is through a generic
    * superclass.
@@ -69,7 +79,7 @@ public:
   /**
    * Print the object state to std::cout.
    */
-  void Print();
+  void Print() const;
   
   /**
    * Add a custom command to the build.
@@ -465,7 +475,7 @@ protected:
   RegisteredCommandsMap m_Commands;
   std::vector<cmCommand*> m_UsedCommands;
   cmMakefileGenerator* m_MakefileGenerator;
-  
+  bool IsFunctionBlocked(const char *name, std::vector<std::string> &args) const;
   
 private:
   /**
@@ -477,10 +487,10 @@ private:
   void ReadClasses(std::ifstream& fin, bool t);
   friend class cmMakeDepend;	// make depend needs direct access 
 				// to the m_Classes array 
-  void PrintStringVector(const char* s, std::vector<std::string>& v);
+  void PrintStringVector(const char* s, const std::vector<std::string>& v) const;
   void AddDefaultCommands();
   void AddDefaultDefinitions();
-  
+  std::set<cmFunctionBlocker *> m_FunctionBlockers;
 };