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      1 /*
      2  * Copyright 2015, 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_SPECIAL_FUNC_H_
     18 #define _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_SPECIAL_FUNC_H_
     19 
     20 #include "llvm/ADT/StringRef.h"
     21 
     22 #include "clang/AST/Decl.h"
     23 
     24 #include "slang_rs_context.h"
     25 
     26 namespace slang {
     27 
     28 namespace RSSpecialFunc {
     29 
     30 inline bool isInitRSFunc(const clang::FunctionDecl *FD) {
     31   if (!FD) {
     32     return false;
     33   }
     34   const llvm::StringRef Name = FD->getName();
     35   static llvm::StringRef FuncInit("init");
     36   return Name.equals(FuncInit);
     37 }
     38 
     39 inline bool isDtorRSFunc(const clang::FunctionDecl *FD) {
     40   if (!FD) {
     41     return false;
     42   }
     43   const llvm::StringRef Name = FD->getName();
     44   static llvm::StringRef FuncDtor(".rs.dtor");
     45   return Name.equals(FuncDtor);
     46 }
     47 
     48 bool isGraphicsRootRSFunc(unsigned int targetAPI,
     49                           const clang::FunctionDecl *FD);
     50 
     51 inline bool isSpecialRSFunc(unsigned int targetAPI,
     52                                    const clang::FunctionDecl *FD) {
     53   return isGraphicsRootRSFunc(targetAPI, FD) || isInitRSFunc(FD) ||
     54          isDtorRSFunc(FD);
     55 }
     56 
     57 bool validateSpecialFuncDecl(unsigned int targetAPI,
     58                              slang::RSContext *Context,
     59                              const clang::FunctionDecl *FD);
     60 
     61 } // namespace RSSpecialFunc
     62 
     63 } // namespace slang
     64 
     65 #endif  // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_SPECIAL_FUNC_H
     66