1 /* 2 * Copyright 2012, 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_REFLECTION_CPP_H_ // NOLINT 18 #define _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_REFLECTION_CPP_H_ 19 20 #include "slang_rs_reflection_base.h" 21 22 #include <set> 23 #include <string> 24 25 #define RS_EXPORT_VAR_PREFIX "mExportVar_" 26 27 namespace slang { 28 29 class RSReflectionCpp : public RSReflectionBase { 30 public: 31 explicit RSReflectionCpp(const RSContext *); 32 virtual ~RSReflectionCpp(); 33 34 bool reflect(const std::string &OutputPathBase, 35 const std::string &InputFileName, 36 const std::string &OutputBCFileName); 37 38 39 private: 40 unsigned int mNextExportVarSlot; 41 unsigned int mNextExportFuncSlot; 42 unsigned int mNextExportForEachSlot; 43 clear()44 inline void clear() { 45 mNextExportVarSlot = 0; 46 mNextExportFuncSlot = 0; 47 mNextExportForEachSlot = 0; 48 mTypesToCheck.clear(); 49 } 50 getNextExportVarSlot()51 inline unsigned int getNextExportVarSlot() { 52 return mNextExportVarSlot++; 53 } 54 getNextExportFuncSlot()55 inline unsigned int getNextExportFuncSlot() { 56 return mNextExportFuncSlot++; 57 } 58 getNextExportForEachSlot()59 inline unsigned int getNextExportForEachSlot() { 60 return mNextExportForEachSlot++; 61 } 62 63 bool makeHeader(const std::string &baseClass); 64 bool makeImpl(const std::string &baseClass); 65 void makeFunctionSignature(std::stringstream &ss, bool isDefinition, 66 const RSExportFunc *ef); 67 bool writeBC(); 68 69 bool startScriptHeader(); 70 71 72 // Write out code for an export variable initialization. 73 void genInitExportVariable(const RSExportType *ET, 74 const std::string &VarName, 75 const clang::APValue &Val); 76 void genZeroInitExportVariable(const std::string &VarName); 77 void genInitBoolExportVariable(const std::string &VarName, 78 const clang::APValue &Val); 79 void genInitPrimitiveExportVariable(const std::string &VarName, 80 const clang::APValue &Val); 81 82 // Produce an argument string of the form "T1 t, T2 u, T3 v". 83 void makeArgs(std::stringstream &ss, const ArgTy& Args); 84 85 // Write out code for an export variable. 86 void genExportVariable(const RSExportVar *EV); 87 88 void genPrimitiveTypeExportVariable(const RSExportVar *EV); 89 void genPointerTypeExportVariable(const RSExportVar *EV); 90 void genVectorTypeExportVariable(const RSExportVar *EV); 91 void genMatrixTypeExportVariable(const RSExportVar *EV); 92 void genConstantArrayTypeExportVariable(const RSExportVar *EV); 93 void genRecordTypeExportVariable(const RSExportVar *EV); 94 95 // Write out a local FieldPacker (if necessary). 96 bool genCreateFieldPacker(const RSExportType *T, 97 const char *FieldPackerName); 98 99 // Populate (write) the FieldPacker with add() operations. 100 void genPackVarOfType(const RSExportType *ET, 101 const char *VarName, 102 const char *FieldPackerName); 103 104 // Generate a runtime type check for VarName. 105 void genTypeCheck(const RSExportType *ET, const char *VarName); 106 107 // Generate a type instance for a given forEach argument type. 108 void genTypeInstanceFromPointer(const RSExportType *ET); 109 void genTypeInstance(const RSExportType *ET); 110 111 }; // class RSReflectionCpp 112 113 } // namespace slang 114 115 #endif // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_REFLECTION_CPP_H_ NOLINT 116