First version of a utility internal to llvmc that handles the parsing and

construction of configuration data for compiler front ends.

llvm-svn: 15727

1 files changed, 58 insertions, 0 deletions

diff --git a/llvm/tools/llvmc/Configuration.h b/llvm/tools/llvmc/Configuration.h
new file mode 100644
index 00000000000..f11931d9995
--- /dev/null
+++ b/llvm/tools/llvmc/Configuration.h
@@ -0,0 +1,58 @@
+//===- ConfigData.h - Configuration Data Provider ---------------*- C++ -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Reid Spencer and is distributed under the 
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+// This file declares the LLVMC_ConfigDataProvider class which implements the
+// generation of ConfigData objects for the CompilerDriver.
+//
+//===------------------------------------------------------------------------===
+#ifndef LLVM_TOOLS_LLVMC_CONFIGDATA_H
+#define LLVM_TOOLS_LLVMC_CONFIGDATA_H
+
+#include "CompilerDriver.h"
+#include <Support/hash_map>
+
+namespace llvm {
+  /// This class provides the high level interface to the LLVM Compiler Driver.
+  /// The driver's purpose is to make it easier for compiler writers and users
+  /// of LLVM to utilize the compiler toolkits and LLVM toolset by learning only
+  /// the interface of one program (llvmc).
+  /// 
+  /// @see llvmc.cpp
+  /// @brief The interface to the LLVM Compiler Driver.
+  class LLVMC_ConfigDataProvider : public CompilerDriver::ConfigDataProvider {
+    /// @name Constructor
+    /// @{
+    public:
+      LLVMC_ConfigDataProvider();
+      virtual ~LLVMC_ConfigDataProvider();
+
+    /// @name Methods
+    /// @{
+    public:
+      /// @brief Provide the configuration data to the CompilerDriver.
+      virtual CompilerDriver::ConfigData* 
+        ProvideConfigData(const std::string& filetype);
+
+      /// @brief Allow the configuration directory to be set
+      virtual void setConfigDir(const std::string& dirName) { configDir = dirName; }
+
+    /// @}
+    /// @name Data
+    /// @{
+    private:
+      /// @brief This type is used internally to hold the configuration data.
+      typedef hash_map<std::string,CompilerDriver::ConfigData*,
+          hash<std::string>,std::equal_to<std::string> > ConfigDataMap;
+      ConfigDataMap Configurations; ///< The cache of configurations
+      std::string configDir;
+    /// @}
+  };
+}
+
+#endif