slang_rs_context.cpp revision 88f21e16250d2e52a75607b7f0c396e1c2a34201
1c383a500aa59423264811be3874461bf8adbfea0Zonr Chang/* 29999ec3aa0c4d7a6befd3a300dc07f0cea91cb6cStephen Hines * Copyright 2010-2012, 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 176315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonr#include "slang_rs_context.h" 186315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonr 19e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines#include <string> 2041ebf534161bb67f6207a070c1f6a895dc853408Zonr Chang 21e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines#include "clang/AST/ASTContext.h" 22fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni#include "clang/AST/Attr.h" 239ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao#include "clang/AST/Decl.h" 249ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao#include "clang/AST/DeclBase.h" 25be27482cdeaf08576bc39b72a15d35d13014a636Logan#include "clang/AST/Mangle.h" 26e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines#include "clang/AST/Type.h" 27e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines 28e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines#include "clang/Basic/Linkage.h" 29e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines#include "clang/Basic/TargetInfo.h" 3041ebf534161bb67f6207a070c1f6a895dc853408Zonr Chang 3123c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/LLVMContext.h" 3223c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines#include "llvm/IR/DataLayout.h" 33e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines 346315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonr#include "slang.h" 356e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines#include "slang_assert.h" 36593a894650e81be54173106ec266f0311cebebd3Stephen Hines#include "slang_rs_export_foreach.h" 376315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonr#include "slang_rs_export_func.h" 38c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala#include "slang_rs_export_reduce.h" 396315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonr#include "slang_rs_export_type.h" 40e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines#include "slang_rs_export_var.h" 41e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines#include "slang_rs_exportable.h" 426315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonr#include "slang_rs_pragma_handler.h" 43e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines#include "slang_rs_reflection.h" 44eae0b7ad0195360b0afc37d51553f2917f1aa365Matt Wala#include "slang_rs_special_func.h" 459ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao 46e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hinesnamespace slang { 479ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao 489e5b503349719144f63ccb7c62ee9c291a7d83b8Stephen HinesRSContext::RSContext(clang::Preprocessor &PP, 499e5b503349719144f63ccb7c62ee9c291a7d83b8Stephen Hines clang::ASTContext &Ctx, 503fd0a94a5cf1656569b1aea07043cc63939dcb46Stephen Hines const clang::TargetInfo &Target, 514cc67fce91f43215d61b2695746eab102a3db516Stephen Hines PragmaList *Pragmas, 52fc4f78b9c7941132fb048a83f0e4ba528c3b4fd0Stephen Hines unsigned int TargetAPI, 53fc4f78b9c7941132fb048a83f0e4ba528c3b4fd0Stephen Hines bool Verbose) 546315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonr : mPP(PP), 556315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonr mCtx(Ctx), 563fd0a94a5cf1656569b1aea07043cc63939dcb46Stephen Hines mPragmas(Pragmas), 574a4bf92a8add68629a7e6e59ef81c3c3fe603a75Stephen Hines mTargetAPI(TargetAPI), 58fc4f78b9c7941132fb048a83f0e4ba528c3b4fd0Stephen Hines mVerbose(Verbose), 595abbe0e9ca2508260b627ffef2bf01e2554e8357Chris Wailes mDataLayout(nullptr), 606315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonr mLLVMContext(llvm::getGlobalContext()), 615abbe0e9ca2508260b627ffef2bf01e2554e8357Chris Wailes mLicenseNote(nullptr), 620a813a3ef2a82f19d7eab9e23ae8493197143803Stephen Hines mRSPackageName("android.renderscript"), 633fa286b4c2f110c6be2bbfac9c715bb1ec880338Shih-wei Liao version(0), 649ae18b2bbee0b08afd400542e863dd665ff76059Stephen Hines mMangleCtx(Ctx.createMangleContext()), 65fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni mIs64Bit(Target.getPointerWidth(0) == 64), 66fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni mNextSlot(1) { 674cc67fce91f43215d61b2695746eab102a3db516Stephen Hines 68109e90a854ac8d8f4df24ef27db636a641ba9913Jean-Luc Brouillet AddPragmaHandlers(PP, this); 6996ab06cbe40b2d73c0eb614f814cd761d8962b6bStephen Hines 709ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao // Prepare target data 7123c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines mDataLayout = new llvm::DataLayout(Target.getTargetDescription()); 72fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni 73fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni // Reserve slot 0 for the root kernel. 74fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni mExportForEach.push_back(nullptr); 75462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao} 76462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 779ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liaobool RSContext::processExportVar(const clang::VarDecl *VD) { 786e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert(!VD->getName().empty() && "Variable name should not be empty"); 79537446c9542fdda458920876ed8a020a97ddf7a4Shih-wei Liao 809ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao RSExportType *ET = RSExportType::CreateFromDecl(this, VD); 819ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao if (!ET) 829ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao return false; 83462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 849ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao RSExportVar *EV = new RSExportVar(this, VD, ET); 855abbe0e9ca2508260b627ffef2bf01e2554e8357Chris Wailes if (EV == nullptr) 869ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao return false; 879ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao else 889ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao mExportVars.push_back(EV); 89462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 909ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao return true; 91462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao} 92462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 93fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Niint RSContext::getForEachSlotNumber(const clang::FunctionDecl* FD) { 94fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni const clang::StringRef& funcName = FD->getName(); 95fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni return getForEachSlotNumber(funcName); 96fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni} 97fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni 98fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Niint RSContext::getForEachSlotNumber(const clang::StringRef& funcName) { 99fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni auto it = mExportForEachMap.find(funcName); 100fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni if (it == mExportForEachMap.end()) { 101fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni return -1; 102fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni } 103fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni return it->second; 104fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni} 105fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni 1066315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonrbool RSContext::processExportFunc(const clang::FunctionDecl *FD) { 1076e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert(!FD->getName().empty() && "Function name should not be empty"); 108462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 1093fbe68a4ec20fec25f8a40191437bbc02d00f591Stephen Hines if (!FD->isThisDeclarationADefinition()) { 1103fbe68a4ec20fec25f8a40191437bbc02d00f591Stephen Hines return true; 1113fbe68a4ec20fec25f8a40191437bbc02d00f591Stephen Hines } 112462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 1139ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao if (FD->getStorageClass() != clang::SC_None) { 1149ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao fprintf(stderr, "RSContext::processExportFunc : cannot export extern or " 1159ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao "static function '%s'\n", FD->getName().str().c_str()); 1169ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao return false; 1179ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao } 118462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 119c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala // Specialized function 120eae0b7ad0195360b0afc37d51553f2917f1aa365Matt Wala if (RSSpecialFunc::isSpecialRSFunc(mTargetAPI, FD)) { 1219999ec3aa0c4d7a6befd3a300dc07f0cea91cb6cStephen Hines // Do not reflect specialized functions like init, dtor, or graphics root. 122eae0b7ad0195360b0afc37d51553f2917f1aa365Matt Wala return RSSpecialFunc::validateSpecialFuncDecl(mTargetAPI, this, FD); 123c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala } 124c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala 125c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala // Foreach kernel 126c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala if (RSExportForEach::isRSForEachFunc(mTargetAPI, FD)) { 127fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni RSExportForEach *EFE = RSExportForEach::Create(this, FD); 128fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni if (EFE == nullptr) { 129fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni return false; 130fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni } 131fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni const llvm::StringRef& funcName = FD->getName(); 132fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni if (funcName.equals("root")) { 133fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni mExportForEach[0] = EFE; 134fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni } else { 1355d9263d3a3a7457b9e5fe6e518c0d822dcdfcda6Stephen Hines mExportForEach.push_back(EFE); 1365d9263d3a3a7457b9e5fe6e518c0d822dcdfcda6Stephen Hines } 137fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni return true; 1383fbe68a4ec20fec25f8a40191437bbc02d00f591Stephen Hines } 1393fbe68a4ec20fec25f8a40191437bbc02d00f591Stephen Hines 140c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala // Reduce kernel 141c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala if (RSExportReduce::isRSReduceFunc(mTargetAPI, FD)) { 142c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala if (auto *ER = RSExportReduce::Create(this, FD)) { 143c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala mExportReduce.push_back(ER); 144c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala return true; 145c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala } 1469ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao return false; 147c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala } 148c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala 149c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala // Invokable 150c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala if (auto *EF = RSExportFunc::Create(this, FD)) { 1519ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao mExportFuncs.push_back(EF); 152c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala return true; 153c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala } 154462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 155c0c5dd85f2d2df2bcf0cb284001f544d6c42eff9Matt Wala return false; 1569ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao} 157462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 158fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Nibool RSContext::addForEach(const clang::FunctionDecl* FD) { 159fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni const llvm::StringRef& funcName = FD->getName(); 160fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni 161fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni if (funcName.equals("root")) { 162fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni // The root kernel should always be in slot 0. 163fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni mExportForEachMap.insert(std::make_pair(funcName, 0)); 164fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni } else { 165fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni mExportForEachMap.insert(std::make_pair(funcName, mNextSlot++)); 166fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni } 167fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni 168fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni return true; 169fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni} 170462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 1719ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liaobool RSContext::processExportType(const llvm::StringRef &Name) { 1729e5b503349719144f63ccb7c62ee9c291a7d83b8Stephen Hines clang::TranslationUnitDecl *TUDecl = mCtx.getTranslationUnitDecl(); 173462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 1745abbe0e9ca2508260b627ffef2bf01e2554e8357Chris Wailes slangAssert(TUDecl != nullptr && "Translation unit declaration (top-level " 1755abbe0e9ca2508260b627ffef2bf01e2554e8357Chris Wailes "declaration) is null object"); 176f52a620440fa62257dfdcf2583f0f9df5b855c76Shih-wei Liao 1779e5b503349719144f63ccb7c62ee9c291a7d83b8Stephen Hines const clang::IdentifierInfo *II = mPP.getIdentifierInfo(Name); 1785abbe0e9ca2508260b627ffef2bf01e2554e8357Chris Wailes if (II == nullptr) 1796315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonr // TODO(zonr): alert identifier @Name mark as an exportable type cannot be 1806315f76e3cc6ff2d012d1183a0b030d4ff0dc808zonr // found 1819ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao return false; 182f52a620440fa62257dfdcf2583f0f9df5b855c76Shih-wei Liao 183c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines clang::DeclContext::lookup_result R = TUDecl->lookup(II); 1845abbe0e9ca2508260b627ffef2bf01e2554e8357Chris Wailes RSExportType *ET = nullptr; 185f52a620440fa62257dfdcf2583f0f9df5b855c76Shih-wei Liao 186c706907a8041faaa882f9bd87f1d1c1669023a62Stephen Hines for (clang::DeclContext::lookup_iterator I = R.begin(), E = R.end(); 1879ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao I != E; 1889ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao I++) { 1899ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao clang::NamedDecl *const ND = *I; 1905abbe0e9ca2508260b627ffef2bf01e2554e8357Chris Wailes const clang::Type *T = nullptr; 191462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 1929ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao switch (ND->getKind()) { 1939ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao case clang::Decl::Typedef: { 1949ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao T = static_cast<const clang::TypedefDecl*>( 1959ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao ND)->getCanonicalDecl()->getUnderlyingType().getTypePtr(); 1969ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao break; 1979ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao } 1989ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao case clang::Decl::Record: { 1999ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao T = static_cast<const clang::RecordDecl*>(ND)->getTypeForDecl(); 2009ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao break; 2019ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao } 2029ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao default: { 2039ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao // unsupported, skip 2049ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao break; 205ac91815eb4918b9307ec876f34f2b60adf28c78bShih-wei Liao } 206ac91815eb4918b9307ec876f34f2b60adf28c78bShih-wei Liao } 207537446c9542fdda458920876ed8a020a97ddf7a4Shih-wei Liao 2085abbe0e9ca2508260b627ffef2bf01e2554e8357Chris Wailes if (T != nullptr) 2099ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao ET = RSExportType::Create(this, T); 2109ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao } 211462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 2125abbe0e9ca2508260b627ffef2bf01e2554e8357Chris Wailes return (ET != nullptr); 213462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao} 214462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 21588f21e16250d2e52a75607b7f0c396e1c2a34201Yang Nivoid RSContext::setAllocationType(const clang::TypeDecl* TD) { 21688f21e16250d2e52a75607b7f0c396e1c2a34201Yang Ni mAllocationType = mCtx.getTypeDeclType(TD); 21788f21e16250d2e52a75607b7f0c396e1c2a34201Yang Ni} 21888f21e16250d2e52a75607b7f0c396e1c2a34201Yang Ni 219fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Nibool RSContext::processExports() { 220b6809edd6ee8b90982425fb8ad24e867708b46fcStephen Hines bool valid = true; 221593a894650e81be54173106ec266f0311cebebd3Stephen Hines 222593a894650e81be54173106ec266f0311cebebd3Stephen Hines if (getDiagnostics()->hasErrorOccurred()) { 223593a894650e81be54173106ec266f0311cebebd3Stephen Hines return false; 224593a894650e81be54173106ec266f0311cebebd3Stephen Hines } 225593a894650e81be54173106ec266f0311cebebd3Stephen Hines 2265d9263d3a3a7457b9e5fe6e518c0d822dcdfcda6Stephen Hines clang::TranslationUnitDecl *TUDecl = mCtx.getTranslationUnitDecl(); 227fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni for (auto I = TUDecl->decls_begin(), E = TUDecl->decls_end(); I != E; I++) { 228fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni clang::Decl* D = *I; 229fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni switch (D->getKind()) { 230fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni case clang::Decl::Var: { 231fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni clang::VarDecl* VD = llvm::dyn_cast<clang::VarDecl>(D); 232a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines bool ShouldExportVariable = true; 2335d9263d3a3a7457b9e5fe6e518c0d822dcdfcda6Stephen Hines if (VD->getFormalLinkage() == clang::ExternalLinkage) { 234a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines clang::QualType QT = VD->getTypeSourceInfo()->getType(); 235a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines if (QT.isConstQualified() && !VD->hasInit()) { 236a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines if (Slang::IsLocInRSHeaderFile(VD->getLocation(), 237a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines *getSourceManager())) { 238a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines // We don't export variables internal to the runtime's 239a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines // implementation. 240a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines ShouldExportVariable = false; 241a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines } else { 242a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines clang::DiagnosticsEngine *DiagEngine = getDiagnostics(); 243a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines DiagEngine->Report(VD->getLocation(), DiagEngine->getCustomDiagID( 244a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines clang::DiagnosticsEngine::Error, 245a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines "invalid declaration of uninitialized constant variable '%0'")) 246a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines << VD->getName(); 247a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines valid = false; 248a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines } 249a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines } 250a5d846df579f3d60457f664a284afe2cc2b9f8dbStephen Hines if (valid && ShouldExportVariable && !processExportVar(VD)) { 2515d9263d3a3a7457b9e5fe6e518c0d822dcdfcda6Stephen Hines valid = false; 2525d9263d3a3a7457b9e5fe6e518c0d822dcdfcda6Stephen Hines } 2535d9263d3a3a7457b9e5fe6e518c0d822dcdfcda6Stephen Hines } 254fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni break; 255fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni } 256fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni case clang::Decl::Function: { 257fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni clang::FunctionDecl* FD = llvm::dyn_cast<clang::FunctionDecl>(D); 2585d9263d3a3a7457b9e5fe6e518c0d822dcdfcda6Stephen Hines if (FD->getFormalLinkage() == clang::ExternalLinkage) { 2595d9263d3a3a7457b9e5fe6e518c0d822dcdfcda6Stephen Hines if (!processExportFunc(FD)) { 2605d9263d3a3a7457b9e5fe6e518c0d822dcdfcda6Stephen Hines valid = false; 2615d9263d3a3a7457b9e5fe6e518c0d822dcdfcda6Stephen Hines } 2625d9263d3a3a7457b9e5fe6e518c0d822dcdfcda6Stephen Hines } 263fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni break; 264fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni } 265fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni default: 266fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni break; 2675d9263d3a3a7457b9e5fe6e518c0d822dcdfcda6Stephen Hines } 2685d9263d3a3a7457b9e5fe6e518c0d822dcdfcda6Stephen Hines } 2695d9263d3a3a7457b9e5fe6e518c0d822dcdfcda6Stephen Hines 27015410146cdc2a354ade80ceb3cd134f8a792d92aYang Ni // Create a dummy root in slot 0 if a root kernel is not seen 27115410146cdc2a354ade80ceb3cd134f8a792d92aYang Ni // and there exists a non-root kernel. 272fb40ee2a90f37967bf4a40a18dec7f60e5c580d8Yang Ni if (valid && mExportForEach[0] == nullptr) { 27315410146cdc2a354ade80ceb3cd134f8a792d92aYang Ni const size_t numExportedForEach = mExportForEach.size(); 27415410146cdc2a354ade80ceb3cd134f8a792d92aYang Ni if (numExportedForEach > 1) { 27515410146cdc2a354ade80ceb3cd134f8a792d92aYang Ni mExportForEach[0] = RSExportForEach::CreateDummyRoot(this); 27615410146cdc2a354ade80ceb3cd134f8a792d92aYang Ni } else { 27715410146cdc2a354ade80ceb3cd134f8a792d92aYang Ni slangAssert(numExportedForEach == 1); 27815410146cdc2a354ade80ceb3cd134f8a792d92aYang Ni mExportForEach.pop_back(); 27915410146cdc2a354ade80ceb3cd134f8a792d92aYang Ni } 280c17e198ffcd37bfc57e3add1f6eee952ae2a2eabStephen Hines } 281c17e198ffcd37bfc57e3add1f6eee952ae2a2eabStephen Hines 2829ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao // Finally, export type forcely set to be exported by user 2839ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao for (NeedExportTypeSet::const_iterator EI = mNeedExportTypes.begin(), 2849ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao EE = mNeedExportTypes.end(); 2859ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao EI != EE; 2869ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao EI++) { 2879ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao if (!processExportType(EI->getKey())) { 288b6809edd6ee8b90982425fb8ad24e867708b46fcStephen Hines valid = false; 2893f8b44dba57685b437cecc208f2a20a4ed93ed36Ying Wang } 2909ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao } 2919ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao 292b6809edd6ee8b90982425fb8ad24e867708b46fcStephen Hines return valid; 2939ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao} 294537446c9542fdda458920876ed8a020a97ddf7a4Shih-wei Liao 2959ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liaobool RSContext::insertExportType(const llvm::StringRef &TypeName, 2969ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao RSExportType *ET) { 2979ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao ExportTypeMap::value_type *NewItem = 2982eb9a3f7c48fe54eb4e813d80e3363bc79553a1eStephen Hines ExportTypeMap::value_type::Create(TypeName, 2999ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao mExportTypes.getAllocator(), 3009ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao ET); 3019ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao 3029ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao if (mExportTypes.insert(NewItem)) { 3039ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao return true; 3049ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao } else { 3053f45a25c23fa0f2cca4070f4d8713dc1a83f5ff7Matt Wala NewItem->Destroy(mExportTypes.getAllocator()); 3069ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao return false; 3079ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao } 308462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao} 309462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao 310462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei LiaoRSContext::~RSContext() { 3119ef2f785e0cc490af678dfd685995dec787321ffShih-wei Liao delete mLicenseNote; 31223c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines delete mDataLayout; 313a41ce1d98094da84643995d40d71c529905123fcZonr Chang for (ExportableList::iterator I = mExportables.begin(), 314a41ce1d98094da84643995d40d71c529905123fcZonr Chang E = mExportables.end(); 315a41ce1d98094da84643995d40d71c529905123fcZonr Chang I != E; 316a41ce1d98094da84643995d40d71c529905123fcZonr Chang I++) { 317641558f02fe6ce0ee3ae5076eb366c25e2ad5903Zonr Chang if (!(*I)->isKeep()) 318641558f02fe6ce0ee3ae5076eb366c25e2ad5903Zonr Chang delete *I; 319a41ce1d98094da84643995d40d71c529905123fcZonr Chang } 320462aefd62cc646d2ff753c1d003ef3cd7bbea26Shih-wei Liao} 321e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines 322e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines} // namespace slang 323