| /* |
| * Copyright 2011-2012, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_EXPORT_FOREACH_H_ // NOLINT |
| #define _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_EXPORT_FOREACH_H_ |
| |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/ADT/SmallVector.h" |
| #include "llvm/Support/raw_ostream.h" |
| |
| #include "clang/AST/Decl.h" |
| |
| #include "slang_assert.h" |
| #include "slang_rs_context.h" |
| #include "slang_rs_exportable.h" |
| #include "slang_rs_export_type.h" |
| |
| namespace clang { |
| class FunctionDecl; |
| } // namespace clang |
| |
| namespace slang { |
| |
| // Base class for reflecting control-side forEach (currently for root() |
| // functions that fit appropriate criteria) |
| class RSExportForEach : public RSExportable { |
| public: |
| |
| typedef llvm::SmallVectorImpl<const clang::ParmVarDecl*> InVec; |
| typedef llvm::SmallVectorImpl<const RSExportType*> InTypeVec; |
| |
| typedef InVec::const_iterator InIter; |
| typedef InTypeVec::const_iterator InTypeIter; |
| |
| private: |
| std::string mName; |
| RSExportRecordType *mParamPacketType; |
| llvm::SmallVector<const RSExportType*, 16> mInTypes; |
| RSExportType *mOutType; |
| size_t numParams; |
| |
| unsigned int mSignatureMetadata; |
| |
| llvm::SmallVector<const clang::ParmVarDecl*, 16> mIns; |
| const clang::ParmVarDecl *mOut; |
| const clang::ParmVarDecl *mUsrData; |
| |
| // Accumulator for metadata bits corresponding to special parameters. |
| unsigned int mSpecialParameterSignatureMetadata; |
| |
| clang::QualType mResultType; // return type (if present). |
| bool mHasReturnType; // does this kernel have a return type? |
| bool mIsKernelStyle; // is this a pass-by-value kernel? |
| |
| bool mDummyRoot; |
| |
| // TODO(all): Add support for LOD/face when we have them |
| RSExportForEach(RSContext *Context, const llvm::StringRef &Name) |
| : RSExportable(Context, RSExportable::EX_FOREACH), |
| mName(Name.data(), Name.size()), mParamPacketType(nullptr), |
| mOutType(nullptr), numParams(0), mSignatureMetadata(0), |
| mOut(nullptr), mUsrData(nullptr), mSpecialParameterSignatureMetadata(0), |
| mResultType(clang::QualType()), mHasReturnType(false), |
| mIsKernelStyle(false), mDummyRoot(false) { |
| } |
| |
| bool validateAndConstructParams(RSContext *Context, |
| const clang::FunctionDecl *FD); |
| |
| bool validateAndConstructOldStyleParams(RSContext *Context, |
| const clang::FunctionDecl *FD); |
| |
| bool validateAndConstructKernelParams(RSContext *Context, |
| const clang::FunctionDecl *FD); |
| |
| bool validateSpecialParameters(RSContext *Context, |
| const clang::FunctionDecl *FD, |
| size_t *IndexOfFirstSpecialParameter); |
| |
| bool setSignatureMetadata(RSContext *Context, |
| const clang::FunctionDecl *FD); |
| public: |
| static RSExportForEach *Create(RSContext *Context, |
| const clang::FunctionDecl *FD); |
| |
| static RSExportForEach *CreateDummyRoot(RSContext *Context); |
| |
| inline const std::string &getName() const { |
| return mName; |
| } |
| |
| inline size_t getNumParameters() const { |
| return numParams; |
| } |
| |
| inline bool hasIns() const { |
| return (!mIns.empty()); |
| } |
| |
| inline bool hasOut() const { |
| return (mOut != nullptr); |
| } |
| |
| inline bool hasUsrData() const { |
| return (mUsrData != nullptr); |
| } |
| |
| inline bool hasReturn() const { |
| return mHasReturnType; |
| } |
| |
| inline const InVec& getIns() const { |
| return mIns; |
| } |
| |
| inline const InTypeVec& getInTypes() const { |
| return mInTypes; |
| } |
| |
| inline const RSExportType *getOutType() const { |
| return mOutType; |
| } |
| |
| inline const RSExportRecordType *getParamPacketType() const { |
| return mParamPacketType; |
| } |
| |
| inline unsigned int getSignatureMetadata() const { |
| return mSignatureMetadata; |
| } |
| |
| inline bool isDummyRoot() const { |
| return mDummyRoot; |
| } |
| |
| typedef RSExportRecordType::const_field_iterator const_param_iterator; |
| |
| inline const_param_iterator params_begin() const { |
| slangAssert((mParamPacketType != nullptr) && |
| "Get parameter from export foreach having no parameter!"); |
| return mParamPacketType->fields_begin(); |
| } |
| |
| inline const_param_iterator params_end() const { |
| slangAssert((mParamPacketType != nullptr) && |
| "Get parameter from export foreach having no parameter!"); |
| return mParamPacketType->fields_end(); |
| } |
| |
| inline static bool isInitRSFunc(const clang::FunctionDecl *FD) { |
| if (!FD) { |
| return false; |
| } |
| const llvm::StringRef Name = FD->getName(); |
| static llvm::StringRef FuncInit("init"); |
| return Name.equals(FuncInit); |
| } |
| |
| inline static bool isRootRSFunc(const clang::FunctionDecl *FD) { |
| if (!FD) { |
| return false; |
| } |
| const llvm::StringRef Name = FD->getName(); |
| static llvm::StringRef FuncRoot("root"); |
| return Name.equals(FuncRoot); |
| } |
| |
| inline static bool isDtorRSFunc(const clang::FunctionDecl *FD) { |
| if (!FD) { |
| return false; |
| } |
| const llvm::StringRef Name = FD->getName(); |
| static llvm::StringRef FuncDtor(".rs.dtor"); |
| return Name.equals(FuncDtor); |
| } |
| |
| static bool isGraphicsRootRSFunc(unsigned int targetAPI, |
| const clang::FunctionDecl *FD); |
| |
| static bool isRSForEachFunc(unsigned int targetAPI, slang::RSContext *Context, |
| const clang::FunctionDecl *FD); |
| |
| inline static bool isSpecialRSFunc(unsigned int targetAPI, |
| const clang::FunctionDecl *FD) { |
| return isGraphicsRootRSFunc(targetAPI, FD) || isInitRSFunc(FD) || |
| isDtorRSFunc(FD); |
| } |
| |
| static bool validateSpecialFuncDecl(unsigned int targetAPI, |
| slang::RSContext *Context, |
| const clang::FunctionDecl *FD); |
| }; // RSExportForEach |
| |
| } // namespace slang |
| |
| #endif // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_EXPORT_FOREACH_H_ NOLINT |