Try to improve source group interface

Source/cmMakefile.cxx

@@ -141,7 +141,7 @@ void cmMakefile::Print() const
     m_cmStartDirectory.c_str() << std::endl;
   std::cout << " m_cmHomeDirectory; " << 
     m_cmHomeDirectory.c_str() << std::endl;
-  std::cout << " m_ProjectName;	" <<  m_ProjectName.c_str() << std::endl;
+  std::cout << " m_ProjectName; " <<  m_ProjectName.c_str() << std::endl;
   this->PrintStringVector("m_SubDirectories ", m_SubDirectories); 
   this->PrintStringVector("m_IncludeDirectories;", m_IncludeDirectories);
   this->PrintStringVector("m_LinkDirectories", m_LinkDirectories);
@@ -193,12 +193,12 @@ void cmMakefile::ExecuteCommand(std::string const &name,
           }
         if(!usedCommand->InitialPass(expandedArguments))
           {
-	  std::string error;
-	  error = usedCommand->GetName();
-	  error += ": Error : \n";
-	  error += usedCommand->GetError();
-	  error += " from CMakeLists.txt file in directory: ";
-	  error += m_cmCurrentDirectory;
+          std::string error;
+          error = usedCommand->GetName();
+          error += ": Error : \n";
+          error += usedCommand->GetError();
+          error += " from CMakeLists.txt file in directory: ";
+          error += m_cmCurrentDirectory;
           cmSystemTools::Error(error.c_str());
           }
         else
@@ -271,27 +271,27 @@ bool cmMakefile::ReadListFile(const char* filename, const char* external)
       // Home directory? if so recurse and read in that List file 
       std::string parentList = this->GetParentListFileName(filename);
       if (parentList != "")
-	{
-	  std::string srcdir = m_cmCurrentDirectory;
+        {
+          std::string srcdir = m_cmCurrentDirectory;
           std::string bindir = m_CurrentOutputDirectory;
 
-	  std::string::size_type pos = parentList.rfind('/');
+          std::string::size_type pos = parentList.rfind('/');
 
           m_cmCurrentDirectory = parentList.substr(0, pos);
-	  m_CurrentOutputDirectory = m_HomeOutputDirectory + parentList.substr(m_cmHomeDirectory.size(), pos - m_cmHomeDirectory.size());
+          m_CurrentOutputDirectory = m_HomeOutputDirectory + parentList.substr(m_cmHomeDirectory.size(), pos - m_cmHomeDirectory.size());
 
-	  // if not found, oops
-	  if(pos == std::string::npos)
-	    {
+          // if not found, oops
+          if(pos == std::string::npos)
+            {
             cmSystemTools::Error("Trailing slash not found");
-	    }
+            }
 
-	  this->ReadListFile(parentList.c_str());
+          this->ReadListFile(parentList.c_str());
 
-	  // restore the current directory
-	  m_cmCurrentDirectory = srcdir;
-	  m_CurrentOutputDirectory = bindir;    
-	}
+          // restore the current directory
+          m_cmCurrentDirectory = srcdir;
+          m_CurrentOutputDirectory = bindir;    
+        }
     }
 
   // are we at the start CMakeLists file or are we processing a parent 
@@ -452,7 +452,7 @@ void cmMakefile::AddDefineFlag(const char* flag)
 void cmMakefile::AddLinkLibrary(const char* lib, cmTarget::LinkLibraryType llt)
 {
   m_LinkLibraries.push_back(
-	  std::pair<std::string, cmTarget::LinkLibraryType>(lib,llt));
+          std::pair<std::string, cmTarget::LinkLibraryType>(lib,llt));
 }
 
 void cmMakefile::AddLinkLibraryForTarget(const char *target,
@@ -665,29 +665,29 @@ void cmMakefile::AddLibrary(const char* lname, int shared,
     {
     case 0:
       this->GetCacheManager()->AddCacheEntry(ltname.c_str(),"STATIC",
-		      "Whether a library is static, shared or module.",
-		      cmCacheManager::INTERNAL);
+                      "Whether a library is static, shared or module.",
+                      cmCacheManager::INTERNAL);
       break;
     case 1:
       this->GetCacheManager()->
-	AddCacheEntry(ltname.c_str(),
-		      "SHARED",
-		      "Whether a library is static, shared or module.",
-		      cmCacheManager::INTERNAL);
+        AddCacheEntry(ltname.c_str(),
+                      "SHARED",
+                      "Whether a library is static, shared or module.",
+                      cmCacheManager::INTERNAL);
       break;
     case 2:
       this->GetCacheManager()->
-	AddCacheEntry(ltname.c_str(),
-		      "MODULE",
-		      "Whether a library is static, shared or module.",
-		      cmCacheManager::INTERNAL);
+        AddCacheEntry(ltname.c_str(),
+                      "MODULE",
+                      "Whether a library is static, shared or module.",
+                      cmCacheManager::INTERNAL);
       break;
     default:
       this->GetCacheManager()->
-	AddCacheEntry(ltname.c_str(),
-		      "STATIC",
-		      "Whether a library is static, shared or module.",
-		      cmCacheManager::INTERNAL);
+        AddCacheEntry(ltname.c_str(),
+                      "STATIC",
+                      "Whether a library is static, shared or module.",
+                      cmCacheManager::INTERNAL);
     }
 
 }
@@ -752,6 +752,20 @@ void cmMakefile::AddUtilityCommand(const char* utilityName,
   m_Targets.insert(cmTargets::value_type(utilityName,target));
 }
 
+cmSourceGroup* cmMakefile::GetSourceGroup(const char* name)
+{
+  // First see if the group exists.  If so, replace its regular expression.
+  for(std::vector<cmSourceGroup>::iterator sg = m_SourceGroups.begin();
+      sg != m_SourceGroups.end(); ++sg)
+    {
+    std::string sgName = sg->GetName();
+    if(sgName == name)
+      {
+      return &(*sg);
+      }
+    }
+  return 0;
+}
 
 void cmMakefile::AddSourceGroup(const char* name, const char* regex)
 {
@@ -762,9 +776,12 @@ void cmMakefile::AddSourceGroup(const char* name, const char* regex)
     std::string sgName = sg->GetName();
     if(sgName == name)
       {
-      // We only want to set the regular expression.  If there are already
-      // source files in the group, we don't want to remove them.
-      sg->SetGroupRegex(regex);
+      if ( regex )
+        {
+        // We only want to set the regular expression.  If there are already
+        // source files in the group, we don't want to remove them.
+        sg->SetGroupRegex(regex);
+        }
       return;
       }
     }
@@ -1180,7 +1197,7 @@ bool cmMakefile::IsFunctionBlocked(const char *name,
 }
 
 void cmMakefile::RemoveFunctionBlocker(const char *name,
-				       const std::vector<std::string> &args)
+                                       const std::vector<std::string> &args)
 {
   // loop over all function blockers to see if any block this command
   std::list<cmFunctionBlocker *>::reverse_iterator pos;

Source/cmMakefile.h

@@ -239,7 +239,7 @@ public:
   /**
    * Add a source group for consideration when adding a new source.
    */
-  void AddSourceGroup(const char* name, const char* regex);
+  void AddSourceGroup(const char* name, const char* regex=0);
   
   /**
    * Add an auxiliary directory to the build.
@@ -451,6 +451,11 @@ public:
   const std::vector<cmSourceGroup>& GetSourceGroups() const
     { return m_SourceGroups; }
 
+  /**
+   * Get the source group
+   */
+  cmSourceGroup* GetSourceGroup(const char* name); 
+
   /**
    * Get the vector of list files on which this makefile depends
    */
@@ -488,7 +493,6 @@ public:
    */
   cmSourceGroup& FindSourceGroup(const char* source,
                                  std::vector<cmSourceGroup> &groups);
-
   void RegisterData(cmData*);
   void RegisterData(const char*, cmData*);
   cmData* LookupData(const char*) const;
@@ -533,7 +537,7 @@ protected:
   std::string m_HomeOutputDirectory;
   std::string m_cmCurrentListFile;
 
-  std::string m_ProjectName;	// project name
+  std::string m_ProjectName;    // project name
 
   // libraries, classes, and executables
   cmTargets m_Targets;
@@ -574,8 +578,8 @@ private:
   std::string GetParentListFileName(const char *listFileName);
 
   void ReadSources(std::ifstream& fin, bool t);
-  friend class cmMakeDepend;	// make depend needs direct access 
-				// to the m_Sources array 
+  friend class cmMakeDepend;    // make depend needs direct access 
+                                // to the m_Sources array 
   void PrintStringVector(const char* s, const std::vector<std::string>& v) const;
   void AddDefaultDefinitions();
   std::list<cmFunctionBlocker *> m_FunctionBlockers;

Source/cmRegularExpression.h

@@ -182,7 +182,7 @@ public:
   /**
    * Instantiate cmRegularExpression with program=NULL.
    */
-  inline cmRegularExpression ();	
+  inline cmRegularExpression ();        
 
   /**
    * Instantiate cmRegularExpression with compiled char*.
@@ -215,7 +215,7 @@ public:
    * Matches the regular expression to the given std string.
    * Returns true if found, and sets start and end indexes accordingly.
    */
-  bool find (std::string const&);		
+  bool find (std::string const&);               
 
   /**
    * Index to start of first find.
@@ -253,7 +253,7 @@ public:
   /**
    * Marks the regular expression as invalid.
    */
-  inline void set_invalid();		
+  inline void set_invalid();            
 
   /**
    * Destructor.
@@ -266,10 +266,10 @@ public:
 private: 
   const char* startp[NSUBEXP];
   const char* endp[NSUBEXP];
-  char  regstart;			// Internal use only
-  char  reganch;			// Internal use only
-  const char* regmust;			// Internal use only
-  int   regmlen;			// Internal use only
+  char  regstart;                       // Internal use only
+  char  reganch;                        // Internal use only
+  const char* regmust;                  // Internal use only
+  int   regmlen;                        // Internal use only
   char* program;   
   int   progsize;
   const char* searchstring;
@@ -290,7 +290,10 @@ inline cmRegularExpression::cmRegularExpression ()
 inline cmRegularExpression::cmRegularExpression (const char* s) 
 {  
   this->program = 0;
-  compile(s);
+  if ( s )
+    {
+    this->compile(s);
+    }
 }
 
 /**

Source/cmSourceGroupCommand.cxx

@@ -19,14 +19,42 @@
 // cmSourceGroupCommand
 bool cmSourceGroupCommand::InitialPass(std::vector<std::string> const& args)
 {
-  if(args.size() != 2)
+  if(args.size() < 1)
     {
     this->SetError("called with incorrect number of arguments");
     return false;
-    }
+    }  
   
-  m_Makefile->AddSourceGroup(args[0].c_str(), args[1].c_str());
+  if ( args[1] == "REGULAR_EXPRESSION" && args.size() == 3 )
+    {
+    m_Makefile->AddSourceGroup(args[0].c_str(), args[2].c_str());
+    return true;
+    }
+
+  if ( args[1] == "FILES"  )
+    {
+    cmSourceGroup* sg =  m_Makefile->GetSourceGroup(args[0].c_str());
+    if ( !sg )
+      {
+      m_Makefile->AddSourceGroup(args[0].c_str(), 0);
+      sg =  m_Makefile->GetSourceGroup(args[0].c_str());
+      }
+    unsigned int cc;
+    for ( cc = 3; cc < args.size(); cc ++ )
+      {
+      sg->AddSource(args[cc].c_str(), 0);
+      }
+    
+    return true;
+    }
   
-  return true;
+  if ( args.size() == 2 )
+    {
+    m_Makefile->AddSourceGroup(args[0].c_str(), args[1].c_str());
+    return true;
+    }
+
+  this->SetError("called with incorrect number of arguments");
+  return false;
 }