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      1 /*
      2  * Copyright 2010, The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *     http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_EXPORT_ELEMENT_H_  // NOLINT
     18 #define _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_EXPORT_ELEMENT_H_
     19 
     20 #include <string>
     21 
     22 #include "clang/Lex/Token.h"
     23 
     24 #include "llvm/ADT/StringMap.h"
     25 #include "llvm/ADT/StringRef.h"
     26 
     27 #include "slang_rs_export_type.h"
     28 
     29 namespace clang {
     30   class Type;
     31   class DeclaratorDecl;
     32 }   // namespace clang
     33 
     34 namespace slang {
     35 
     36   class RSContext;
     37   class RSExportType;
     38 
     39 class RSExportElement {
     40   // This is a utility class for handling the RS_ELEMENT_ADD* marker
     41   RSExportElement() { return; }
     42 
     43   typedef struct {
     44     RSExportPrimitiveType::DataKind kind;
     45     RSExportPrimitiveType::DataType type;
     46     bool normalized;
     47     unsigned vsize;
     48   } ElementInfo;
     49 
     50   typedef llvm::StringMap<const ElementInfo*> ElementInfoMapTy;
     51 
     52  private:
     53   // Macro name <-> ElementInfo
     54   static ElementInfoMapTy ElementInfoMap;
     55 
     56   static bool Initialized;
     57 
     58   static RSExportType *Create(RSContext *Context,
     59                               const clang::Type *T,
     60                               const ElementInfo *EI);
     61 
     62   static const ElementInfo *GetElementInfo(const llvm::StringRef &Name);
     63 
     64  public:
     65   static void Init();
     66 
     67   static RSExportType *CreateFromDecl(RSContext *Context,
     68                                       const clang::DeclaratorDecl *DD);
     69 };
     70 
     71 }   // namespace slang
     72 
     73 #endif  // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_EXPORT_ELEMENT_H_  NOLINT
     74