slang_rs_export_func.h revision e639eb5caa2c386b4a60659a4929e8a6141a2cbe
1c383a500aa59423264811be3874461bf8adbfea0Zonr Chang/* 2c383a500aa59423264811be3874461bf8adbfea0Zonr Chang * Copyright 2010, The Android Open Source Project 3c383a500aa59423264811be3874461bf8adbfea0Zonr Chang * 4c383a500aa59423264811be3874461bf8adbfea0Zonr Chang * Licensed under the Apache License, Version 2.0 (the "License"); 5c383a500aa59423264811be3874461bf8adbfea0Zonr Chang * you may not use this file except in compliance with the License. 6c383a500aa59423264811be3874461bf8adbfea0Zonr Chang * You may obtain a copy of the License at 7c383a500aa59423264811be3874461bf8adbfea0Zonr Chang * 8c383a500aa59423264811be3874461bf8adbfea0Zonr Chang * http://www.apache.org/licenses/LICENSE-2.0 9c383a500aa59423264811be3874461bf8adbfea0Zonr Chang * 10c383a500aa59423264811be3874461bf8adbfea0Zonr Chang * Unless required by applicable law or agreed to in writing, software 11c383a500aa59423264811be3874461bf8adbfea0Zonr Chang * distributed under the License is distributed on an "AS IS" BASIS, 12c383a500aa59423264811be3874461bf8adbfea0Zonr Chang * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13c383a500aa59423264811be3874461bf8adbfea0Zonr Chang * See the License for the specific language governing permissions and 14c383a500aa59423264811be3874461bf8adbfea0Zonr Chang * limitations under the License. 15c383a500aa59423264811be3874461bf8adbfea0Zonr Chang */ 16c383a500aa59423264811be3874461bf8adbfea0Zonr Chang 17e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines#ifndef _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_EXPORT_FUNC_H_ // NOLINT 18e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines#define _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_EXPORT_FUNC_H_ 19462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 20462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao#include <list> 21462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao#include <string> 22462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 236315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonr#include "llvm/ADT/StringRef.h" 246315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonr 250da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang#include "slang_rs_export_type.h" 26e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines#include "slang_rs_exportable.h" 270da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang 280da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Changnamespace llvm { 290da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang class StructType; 300da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang} 310da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang 32462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liaonamespace clang { 336315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonr class FunctionDecl; 349ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao} // namespace clang 35462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 36462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liaonamespace slang { 37462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 380da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Changclass RSContext; 39462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 40a41ce1d98094da84643995d40d71c529905123fcZonr Changclass RSExportFunc : public RSExportable { 419ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao friend class RSContext; 429ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao 439ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao private: 449ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao std::string mName; 450da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang RSExportRecordType *mParamPacketType; 469ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao 476315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonr RSExportFunc(RSContext *Context, const llvm::StringRef &Name) 48a41ce1d98094da84643995d40d71c529905123fcZonr Chang : RSExportable(Context, RSExportable::EX_FUNC), 490da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang mName(Name.data(), Name.size()), 500da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang mParamPacketType(NULL) { 519ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao return; 529ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao } 539ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao 549ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao public: 559ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao static RSExportFunc *Create(RSContext *Context, 569ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao const clang::FunctionDecl *FD); 57462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 580da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang typedef RSExportRecordType::const_field_iterator const_param_iterator; 59462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 609ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao inline const_param_iterator params_begin() const { 610da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang assert((mParamPacketType != NULL) && 623a9ca1f0d6bd8f12c2bb2adea51f95c255996180Zonr Chang "Get parameter from export function having no parameter!"); 630da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang return mParamPacketType->fields_begin(); 649ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao } 659ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao inline const_param_iterator params_end() const { 660da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang assert((mParamPacketType != NULL) && 673a9ca1f0d6bd8f12c2bb2adea51f95c255996180Zonr Chang "Get parameter from export function having no parameter!"); 680da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang return mParamPacketType->fields_end(); 699ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao } 70462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 710da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang inline const std::string &getName() const { return mName; } 72462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 730da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang inline bool hasParam() const 740da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang { return (mParamPacketType && !mParamPacketType->getFields().empty()); } 750da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang inline size_t getNumParameters() const 760da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang { return ((mParamPacketType) ? mParamPacketType->getFields().size() : 0); } 77462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 780da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang inline const RSExportRecordType *getParamPacketType() const 790da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang { return mParamPacketType; } 80462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 810da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang // Check whether the given ParamsPacket type (in LLVM type) is "size 820da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang // equivalent" to the one obtained from getParamPacketType(). If the @Params 830da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang // is NULL, means there must be no any parameters. 840da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang bool checkParameterPacketType(const llvm::StructType *ParamTy) const; 859ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao}; // RSExportFunc 86462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 870da0a7dc51c25943fe31d0bfccbdfee326a3199cZonr Chang 889ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao} // namespace slang 89462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 90e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines#endif // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_EXPORT_FUNC_H_ NOLINT 91