1 /* 2 * Copyright 2010-2012, 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_H_ // NOLINT 18 #define _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_REFLECTION_H_ 19 20 #include <fstream> 21 #include <iostream> 22 #include <map> 23 #include <set> 24 #include <string> 25 #include <vector> 26 27 #include "llvm/ADT/StringExtras.h" 28 29 #include "slang_assert.h" 30 #include "slang_rs_export_type.h" 31 #include "slang_rs_reflect_utils.h" 32 33 namespace slang { 34 35 class RSContext; 36 class RSExportVar; 37 class RSExportFunc; 38 class RSExportForEach; 39 40 class RSReflectionJava { 41 private: 42 const RSContext *mRSContext; 43 44 // The name of the Java package name we're creating this file for, 45 // e.g. com.example.android.rs.flashlight 46 std::string mPackageName; 47 // The name of the Java Renderscript package we'll be using, 48 // e.g. android.renderscript 49 // e.g. android.support.v8.renderscript 50 std::string mRSPackageName; 51 52 // The directory under which we'll create the Java files, in appropriate subdirectories, 53 // e.g. /tmp/myout 54 std::string mOutputBaseDirectory; 55 // The output directory for the specfied package (mPackageName), 56 // e.g. /tmp/myout/com/example/android/rs/flashlight/ 57 // TODO This includes the terminating separator. Needed? 58 std::string mOutputDirectory; 59 60 // The full path of the .rs file that we are reflecting. 61 std::string mRSSourceFileName; 62 // The full path where the generated bit code can be read. 63 std::string mBitCodeFileName; 64 65 // The name of the resource we pass to the RenderScript constructor 66 // e.g. flashlight 67 std::string mResourceId; 68 // The name of the Java class we are generating for this script. 69 // e.g. ScriptC_flashlight 70 std::string mScriptClassName; 71 72 73 // This is set by startClass() and will change for the multiple classes generated. 74 std::string mClassName; 75 76 // This is the token used for determining the size of a given ScriptField.Item. 77 std::string mItemSizeof; 78 79 bool mEmbedBitcodeInJava; 80 81 int mNextExportVarSlot; 82 int mNextExportFuncSlot; 83 int mNextExportForEachSlot; 84 85 GeneratedFile mOut; 86 87 std::string mLastError; 88 std::vector<std::string> *mGeneratedFileNames; 89 90 // A mapping from a field in a record type to its index in the rsType 91 // instance. Only used when generates TypeClass (ScriptField_*). 92 typedef std::map<const RSExportRecordType::Field *, unsigned> FieldIndexMapTy; 93 FieldIndexMapTy mFieldIndexMap; 94 // Field index of current processing TypeClass. 95 unsigned mFieldIndex; 96 97 inline void setError(const std::string &Error) { mLastError = Error; } 98 99 inline void clear() { 100 mClassName = ""; 101 mNextExportVarSlot = 0; 102 mNextExportFuncSlot = 0; 103 mNextExportForEachSlot = 0; 104 } 105 106 public: 107 typedef enum { 108 AM_Public, 109 AM_Protected, 110 AM_Private, 111 AM_PublicSynchronized 112 } AccessModifier; 113 114 // Generated RS Elements for type-checking code. 115 std::set<std::string> mTypesToCheck; 116 117 // Generated FieldPackers for unsigned setters/validation. 118 std::set<std::string> mFieldPackerTypes; 119 120 bool addTypeNameForElement(const std::string &TypeName); 121 bool addTypeNameForFieldPacker(const std::string &TypeName); 122 123 static const char *AccessModifierStr(AccessModifier AM); 124 125 inline bool getEmbedBitcodeInJava() const { return mEmbedBitcodeInJava; } 126 127 inline int getNextExportVarSlot() { return mNextExportVarSlot++; } 128 inline int getNextExportFuncSlot() { return mNextExportFuncSlot++; } 129 inline int getNextExportForEachSlot() { return mNextExportForEachSlot++; } 130 131 bool startClass(AccessModifier AM, bool IsStatic, 132 const std::string &ClassName, const char *SuperClassName, 133 std::string &ErrorMsg); 134 void endClass(); 135 136 void startFunction(AccessModifier AM, bool IsStatic, const char *ReturnType, 137 const std::string &FunctionName, int Argc, ...); 138 139 typedef std::vector<std::pair<std::string, std::string>> ArgTy; 140 void startFunction(AccessModifier AM, bool IsStatic, const char *ReturnType, 141 const std::string &FunctionName, const ArgTy &Args); 142 void endFunction(); 143 144 inline const std::string &getPackageName() const { return mPackageName; } 145 inline const std::string &getRSPackageName() const { return mRSPackageName; } 146 inline const std::string &getClassName() const { return mClassName; } 147 inline const std::string &getResourceId() const { return mResourceId; } 148 149 void startTypeClass(const std::string &ClassName); 150 void endTypeClass(); 151 152 inline void incFieldIndex() { mFieldIndex++; } 153 154 inline void resetFieldIndex() { mFieldIndex = 0; } 155 156 inline void addFieldIndexMapping(const RSExportRecordType::Field *F) { 157 slangAssert((mFieldIndexMap.find(F) == mFieldIndexMap.end()) && 158 "Nested structure never occurs in C language."); 159 mFieldIndexMap.insert(std::make_pair(F, mFieldIndex)); 160 } 161 162 inline unsigned getFieldIndex(const RSExportRecordType::Field *F) const { 163 FieldIndexMapTy::const_iterator I = mFieldIndexMap.find(F); 164 slangAssert((I != mFieldIndexMap.end()) && 165 "Requesting field is out of scope."); 166 return I->second; 167 } 168 169 inline void clearFieldIndexMap() { mFieldIndexMap.clear(); } 170 171 private: 172 bool genScriptClass(const std::string &ClassName, std::string &ErrorMsg); 173 void genScriptClassConstructor(); 174 175 void genInitBoolExportVariable(const std::string &VarName, 176 const clang::APValue &Val); 177 void genInitPrimitiveExportVariable(const std::string &VarName, 178 const clang::APValue &Val); 179 void genInitExportVariable(const RSExportType *ET, const std::string &VarName, 180 const clang::APValue &Val); 181 void genInitValue(const clang::APValue &Val, bool asBool); 182 void genExportVariable(const RSExportVar *EV); 183 void genPrimitiveTypeExportVariable(const RSExportVar *EV); 184 void genPointerTypeExportVariable(const RSExportVar *EV); 185 void genVectorTypeExportVariable(const RSExportVar *EV); 186 void genMatrixTypeExportVariable(const RSExportVar *EV); 187 void genConstantArrayTypeExportVariable(const RSExportVar *EV); 188 void genRecordTypeExportVariable(const RSExportVar *EV); 189 void genPrivateExportVariable(const std::string &TypeName, 190 const std::string &VarName); 191 void genSetExportVariable(const std::string &TypeName, const RSExportVar *EV); 192 void genGetExportVariable(const std::string &TypeName, 193 const std::string &VarName); 194 void genGetFieldID(const std::string &VarName); 195 196 void genExportFunction(const RSExportFunc *EF); 197 198 void genExportForEach(const RSExportForEach *EF); 199 200 void genTypeCheck(const RSExportType *ET, const char *VarName); 201 202 void genTypeInstanceFromPointer(const RSExportType *ET); 203 204 void genTypeInstance(const RSExportType *ET); 205 206 void genFieldPackerInstance(const RSExportType *ET); 207 208 bool genTypeClass(const RSExportRecordType *ERT, std::string &ErrorMsg); 209 void genTypeItemClass(const RSExportRecordType *ERT); 210 void genTypeClassConstructor(const RSExportRecordType *ERT); 211 void genTypeClassCopyToArray(const RSExportRecordType *ERT); 212 void genTypeClassCopyToArrayLocal(const RSExportRecordType *ERT); 213 void genTypeClassItemSetter(const RSExportRecordType *ERT); 214 void genTypeClassItemGetter(const RSExportRecordType *ERT); 215 void genTypeClassComponentSetter(const RSExportRecordType *ERT); 216 void genTypeClassComponentGetter(const RSExportRecordType *ERT); 217 void genTypeClassCopyAll(const RSExportRecordType *ERT); 218 void genTypeClassResize(); 219 220 void genBuildElement(const char *ElementBuilderName, 221 const RSExportRecordType *ERT, 222 const char *RenderScriptVar, bool IsInline); 223 void genAddElementToElementBuilder(const RSExportType *ERT, 224 const std::string &VarName, 225 const char *ElementBuilderName, 226 const char *RenderScriptVar, 227 unsigned ArraySize); 228 229 bool genCreateFieldPacker(const RSExportType *T, const char *FieldPackerName); 230 void genPackVarOfType(const RSExportType *T, const char *VarName, 231 const char *FieldPackerName); 232 void genAllocateVarOfType(const RSExportType *T, const std::string &VarName); 233 void genNewItemBufferIfNull(const char *Index); 234 void genNewItemBufferPackerIfNull(); 235 236 void genPairwiseDimCheck(std::string name0, std::string name1); 237 238 public: 239 RSReflectionJava(const RSContext *Context, 240 std::vector<std::string> *GeneratedFileNames, 241 const std::string &OutputBaseDirectory, 242 const std::string &RSSourceFilename, 243 const std::string &BitCodeFileName, 244 bool EmbedBitcodeInJava); 245 246 bool reflect(); 247 248 inline const char *getLastError() const { 249 if (mLastError.empty()) 250 return NULL; 251 else 252 return mLastError.c_str(); 253 } 254 }; // class RSReflectionJava 255 256 } // namespace slang 257 258 #endif // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_REFLECTION_H_ NOLINT 259
