ENH: Separate option mapping from VS generators

Split cmVisualStudioGeneratorOptions core functionality out into a
base class cmIDEOptions.  It will be useful for other generators.

5 files changed, 261 insertions, 171 deletions

diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index fed4d74..55048a3 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -296,6 +296,8 @@ IF (WIN32)
       cmGlobalVisualStudioGenerator.h
       cmGlobalWatcomWMakeGenerator.cxx
       cmIDEFlagTable.h
+      cmIDEOptions.cxx
+      cmIDEOptions.h
       cmLocalVisualStudio6Generator.cxx
       cmLocalVisualStudio6Generator.h
       cmLocalVisualStudio7Generator.cxx
diff --git a/Source/cmIDEOptions.cxx b/Source/cmIDEOptions.cxx
new file mode 100644
index 0000000..c64eb93
--- /dev/null
+++ b/Source/cmIDEOptions.cxx
@@ -0,0 +1,178 @@
+/*=========================================================================
+
+  Program:   CMake - Cross-Platform Makefile Generator
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
+  See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#include "cmIDEOptions.h"
+
+#include "cmSystemTools.h"
+
+//----------------------------------------------------------------------------
+cmIDEOptions::cmIDEOptions()
+{
+  this->DoingDefine = false;
+  this->AllowDefine = true;
+  this->AllowSlash = false;
+  for(int i=0; i < FlagTableCount; ++i)
+    {
+    this->FlagTable[i] = 0;
+    }
+}
+
+//----------------------------------------------------------------------------
+cmIDEOptions::~cmIDEOptions()
+{
+}
+
+//----------------------------------------------------------------------------
+void cmIDEOptions::HandleFlag(const char* flag)
+{
+  // If the last option was -D then this option is the definition.
+  if(this->DoingDefine)
+    {
+    this->DoingDefine = false;
+    this->Defines.push_back(flag);
+    return;
+    }
+
+  // Look for known arguments.
+  if(flag[0] == '-' || (this->AllowSlash && flag[0] == '/'))
+    {
+    // Look for preprocessor definitions.
+    if(this->AllowDefine && flag[1] == 'D')
+      {
+      if(flag[2] == '\0')
+        {
+        // The next argument will have the definition.
+        this->DoingDefine = true;
+        }
+      else
+        {
+        // Store this definition.
+        this->Defines.push_back(flag+2);
+        }
+      return;
+      }
+
+    // Look through the available flag tables.
+    bool flag_handled = false;
+    for(int i=0; i < FlagTableCount && this->FlagTable[i]; ++i)
+      {
+      if(this->CheckFlagTable(this->FlagTable[i], flag, flag_handled))
+        {
+        return;
+        }
+      }
+
+    // If any map entry handled the flag we are done.
+    if(flag_handled)
+      {
+      return;
+      }
+    }
+
+  // This option is not known.  Store it in the output flags.
+  this->StoreUnknownFlag(flag);
+}
+
+//----------------------------------------------------------------------------
+bool cmIDEOptions::CheckFlagTable(cmIDEFlagTable const* table,
+                                  const char* flag, bool& flag_handled)
+{
+  // Look for an entry in the flag table matching this flag.
+  for(cmIDEFlagTable const* entry = table; entry->IDEName; ++entry)
+    {
+    bool entry_found = false;
+    if(entry->special & cmIDEFlagTable::UserValue)
+      {
+      // This flag table entry accepts a user-specified value.  If
+      // the entry specifies UserRequired we must match only if a
+      // non-empty value is given.
+      int n = static_cast<int>(strlen(entry->commandFlag));
+      if(strncmp(flag+1, entry->commandFlag, n) == 0 &&
+         (!(entry->special & cmIDEFlagTable::UserRequired) ||
+          static_cast<int>(strlen(flag+1)) > n))
+        {
+        if(entry->special & cmIDEFlagTable::UserIgnored)
+          {
+          // Ignore the user-specified value.
+          this->FlagMap[entry->IDEName] = entry->value;
+          }
+        else if(entry->special & cmIDEFlagTable::SemicolonAppendable)
+          {
+          const char *new_value = flag+1+n;
+
+          std::map<cmStdString,cmStdString>::iterator itr;
+          itr = this->FlagMap.find(entry->IDEName);
+          if(itr != this->FlagMap.end())
+            {
+            // Append to old value (if present) with semicolons;
+            itr->second += ";";
+            itr->second += new_value;
+            }
+          else
+            {
+            this->FlagMap[entry->IDEName] = new_value;
+            }
+          }
+        else
+          {
+          // Use the user-specified value.
+          this->FlagMap[entry->IDEName] = flag+1+n;
+          }
+        entry_found = true;
+        }
+      }
+    else if(strcmp(flag+1, entry->commandFlag) == 0)
+      {
+      // This flag table entry provides a fixed value.
+      this->FlagMap[entry->IDEName] = entry->value;
+      entry_found = true;
+      }
+
+    // If the flag has been handled by an entry not requesting a
+    // search continuation we are done.
+    if(entry_found && !(entry->special & cmIDEFlagTable::Continue))
+      {
+      return true;
+      }
+
+    // If the entry was found the flag has been handled.
+    flag_handled = flag_handled || entry_found;
+    }
+
+  return false;
+}
+
+//----------------------------------------------------------------------------
+void cmIDEOptions::AddDefine(const std::string& def)
+{
+  this->Defines.push_back(def);
+}
+
+//----------------------------------------------------------------------------
+void cmIDEOptions::AddDefines(const char* defines)
+{
+  if(defines)
+    {
+    // Expand the list of definitions.
+    cmSystemTools::ExpandListArgument(defines, this->Defines);
+    }
+}
+
+//----------------------------------------------------------------------------
+void cmIDEOptions::AddFlag(const char* flag, const char* value)
+{
+  this->FlagMap[flag] = value;
+}
diff --git a/Source/cmIDEOptions.h b/Source/cmIDEOptions.h
new file mode 100644
index 0000000..adf6c38
--- /dev/null
+++ b/Source/cmIDEOptions.h
@@ -0,0 +1,64 @@
+/*=========================================================================
+
+  Program:   CMake - Cross-Platform Makefile Generator
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
+  See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef cmIDEOptions_h
+#define cmIDEOptions_h
+
+#include "cmStandardIncludes.h"
+#include "cmIDEFlagTable.h"
+
+/** \class cmIDEOptions
+ * \brief Superclass for IDE option processing
+ */
+class cmIDEOptions
+{
+public:
+  cmIDEOptions();
+  virtual ~cmIDEOptions();
+
+  // Store definitions and flags.
+  void AddDefine(const std::string& define);
+  void AddDefines(const char* defines);
+  void AddFlag(const char* flag, const char* value);
+
+protected:
+  // create a map of xml tags to the values they should have in the output
+  // for example, "BufferSecurityCheck" = "TRUE"
+  // first fill this table with the values for the configuration
+  // Debug, Release, etc,
+  // Then parse the command line flags specified in CMAKE_CXX_FLAGS
+  // and CMAKE_C_FLAGS
+  // and overwrite or add new values to this map
+  std::map<cmStdString, cmStdString> FlagMap;
+
+  // Preprocessor definitions.
+  std::vector<std::string> Defines;
+
+  // Unrecognized flags that get no special handling.
+  cmStdString FlagString;
+
+  bool DoingDefine;
+  bool AllowDefine;
+  bool AllowSlash;
+  enum { FlagTableCount = 16 };
+  cmIDEFlagTable const* FlagTable[FlagTableCount];
+  void HandleFlag(const char* flag);
+  bool CheckFlagTable(cmIDEFlagTable const* table, const char* flag,
+                      bool& flag_handled);
+  virtual void StoreUnknownFlag(const char* flag) = 0;
+};
+
+#endif
diff --git a/Source/cmVisualStudioGeneratorOptions.cxx b/Source/cmVisualStudioGeneratorOptions.cxx
index 7a57d90..051cc1f 100644
--- a/Source/cmVisualStudioGeneratorOptions.cxx
+++ b/Source/cmVisualStudioGeneratorOptions.cxx
@@ -31,10 +31,20 @@ cmVisualStudioGeneratorOptions
                                  cmVS7FlagTable const* table,
                                  cmVS7FlagTable const* extraTable,
                                  cmVisualStudio10TargetGenerator* g):
+  cmIDEOptions(),
   LocalGenerator(lg), Version(version), CurrentTool(tool),
-  DoingDefine(false), FlagTable(table), ExtraFlagTable(extraTable),
   TargetGenerator(g)
 {
+  // Store the given flag tables.
+  cmIDEFlagTable const** ft = this->FlagTable;
+  if(table) { *ft++ = table; }
+  if(extraTable) { *ft++ = extraTable; }
+
+  // Preprocessor definitions are not allowed for linker tools.
+  this->AllowDefine = (tool != Linker);
+
+  // Slash options are allowed for VS.
+  this->AllowSlash = true;
 }
 
 //----------------------------------------------------------------------------
@@ -85,30 +95,6 @@ void cmVisualStudioGeneratorOptions::SetVerboseMakefile(bool verbose)
     }
 }
 
-//----------------------------------------------------------------------------
-void cmVisualStudioGeneratorOptions::AddDefine(const std::string& def)
-{
-  this->Defines.push_back(def);
-}
-
-//----------------------------------------------------------------------------
-void cmVisualStudioGeneratorOptions::AddDefines(const char* defines)
-{
-  if(defines)
-    {
-    // Expand the list of definitions.
-    cmSystemTools::ExpandListArgument(defines, this->Defines);
-    }
-}
-
-//----------------------------------------------------------------------------
-void cmVisualStudioGeneratorOptions::AddFlag(const char* flag,
-                                                   const char* value)
-{
-  this->FlagMap[flag] = value;
-}
-
-
 bool cmVisualStudioGeneratorOptions::IsDebug()
 {
   return this->FlagMap.find("DebugInformationFormat") != this->FlagMap.end();
@@ -147,54 +133,8 @@ void cmVisualStudioGeneratorOptions::Parse(const char* flags)
 }
 
 //----------------------------------------------------------------------------
-void cmVisualStudioGeneratorOptions::HandleFlag(const char* flag)
+void cmVisualStudioGeneratorOptions::StoreUnknownFlag(const char* flag)
 {
-  // If the last option was -D then this option is the definition.
-  if(this->DoingDefine)
-    {
-    this->DoingDefine = false;
-    this->Defines.push_back(flag);
-    return;
-    }
-
-  // Look for known arguments.
-  if(flag[0] == '-' || flag[0] == '/')
-    {
-    // Look for preprocessor definitions.
-    if(this->CurrentTool == Compiler && flag[1] == 'D')
-      {
-      if(flag[2] == '\0')
-        {
-        // The next argument will have the definition.
-        this->DoingDefine = true;
-        }
-      else
-        {
-        // Store this definition.
-        this->Defines.push_back(flag+2);
-        }
-      return;
-      }
-
-    // Look through the available flag tables.
-    bool flag_handled = false;
-    if(this->FlagTable &&
-       this->CheckFlagTable(this->FlagTable, flag, flag_handled))
-      {
-      return;
-      }
-    if(this->ExtraFlagTable &&
-       this->CheckFlagTable(this->ExtraFlagTable, flag, flag_handled))
-      {
-      return;
-      }
-
-    // If any map entry handled the flag we are done.
-    if(flag_handled)
-      {
-      return;
-      }
-    }
   // This option is not known.  Store it in the output flags.
   this->FlagString += " ";
   this->FlagString +=
@@ -205,77 +145,6 @@ void cmVisualStudioGeneratorOptions::HandleFlag(const char* flag)
 }
 
 //----------------------------------------------------------------------------
-bool
-cmVisualStudioGeneratorOptions
-::CheckFlagTable(cmVS7FlagTable const* table, const char* flag,
-                 bool& flag_handled)
-{
-  // Look for an entry in the flag table matching this flag.
-  for(cmVS7FlagTable const* entry = table; entry->IDEName; ++entry)
-    {
-    bool entry_found = false;
-    if(entry->special & cmVS7FlagTable::UserValue)
-      {
-      // This flag table entry accepts a user-specified value.  If
-      // the entry specifies UserRequired we must match only if a
-      // non-empty value is given.
-      int n = static_cast<int>(strlen(entry->commandFlag));
-      if(strncmp(flag+1, entry->commandFlag, n) == 0 &&
-         (!(entry->special & cmVS7FlagTable::UserRequired) ||
-          static_cast<int>(strlen(flag+1)) > n))
-        {
-        if(entry->special & cmVS7FlagTable::UserIgnored)
-          {
-          // Ignore the user-specified value.
-          this->FlagMap[entry->IDEName] = entry->value;
-          }
-        else if(entry->special & cmVS7FlagTable::SemicolonAppendable)
-          {
-          const char *new_value = flag+1+n;
-          
-          std::map<cmStdString,cmStdString>::iterator itr;
-          itr = this->FlagMap.find(entry->IDEName);
-          if(itr != this->FlagMap.end())
-            {
-            // Append to old value (if present) with semicolons;
-            itr->second += ";";
-            itr->second += new_value;
-            }
-          else
-            {
-            this->FlagMap[entry->IDEName] = new_value;
-            }
-          }
-        else
-          {
-          // Use the user-specified value.
-          this->FlagMap[entry->IDEName] = flag+1+n;
-          }
-        entry_found = true;
-        }
-      }
-    else if(strcmp(flag+1, entry->commandFlag) == 0)
-      {
-      // This flag table entry provides a fixed value.
-      this->FlagMap[entry->IDEName] = entry->value;
-      entry_found = true;
-      }
-    
-    // If the flag has been handled by an entry not requesting a
-    // search continuation we are done.
-    if(entry_found && !(entry->special & cmVS7FlagTable::Continue))
-      {
-      return true;
-      }
-    
-    // If the entry was found the flag has been handled.
-    flag_handled = flag_handled || entry_found;
-    }
-  
-  return false;
-}
-
-
 void cmVisualStudioGeneratorOptions::SetConfiguration(const char* config)
 {
   this->Configuration = config;
diff --git a/Source/cmVisualStudioGeneratorOptions.h b/Source/cmVisualStudioGeneratorOptions.h
index 159c984..3899a74 100644
--- a/Source/cmVisualStudioGeneratorOptions.h
+++ b/Source/cmVisualStudioGeneratorOptions.h
@@ -19,13 +19,13 @@
 
 #include "cmLocalGenerator.h"
 
-#include "cmIDEFlagTable.h"
+#include "cmIDEOptions.h"
 typedef cmIDEFlagTable cmVS7FlagTable;
 
 class cmVisualStudio10TargetGenerator;
 
 //----------------------------------------------------------------------------
-class cmVisualStudioGeneratorOptions
+class cmVisualStudioGeneratorOptions: public cmIDEOptions
 {
 public:
   // Construct an options table for a given tool.
@@ -51,11 +51,6 @@ public:
   // Store options for verbose builds.
   void SetVerboseMakefile(bool verbose);
 
-  // Store definitions and flags.
-  void AddDefine(const std::string& define);
-  void AddDefines(const char* defines);
-  void AddFlag(const char* flag, const char* value);
-
   // Check for specific options.
   bool UsingUnicode();
 
@@ -73,29 +68,11 @@ private:
   cmLocalGenerator* LocalGenerator;
   int Version;
 
-  // create a map of xml tags to the values they should have in the output
-  // for example, "BufferSecurityCheck" = "TRUE"
-  // first fill this table with the values for the configuration
-  // Debug, Release, etc,
-  // Then parse the command line flags specified in CMAKE_CXX_FLAGS
-  // and CMAKE_C_FLAGS
-  // and overwrite or add new values to this map
-  std::map<cmStdString, cmStdString> FlagMap;
-
-  // Preprocessor definitions.
-  std::vector<std::string> Defines;
-
-  // Unrecognized flags that get no special handling.
-  cmStdString FlagString;
   std::string Configuration;
-  cmVisualStudio10TargetGenerator* TargetGenerator;
   Tool CurrentTool;
-  bool DoingDefine;
-  cmVS7FlagTable const* FlagTable;
-  cmVS7FlagTable const* ExtraFlagTable;
-  void HandleFlag(const char* flag);
-  bool CheckFlagTable(cmVS7FlagTable const* table, const char* flag,
-                      bool& flag_handled);
+  cmVisualStudio10TargetGenerator* TargetGenerator;
+
+  virtual void StoreUnknownFlag(const char* flag);
 };
 
 #endif