14b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines/* 24b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines * Copyright 2010, The Android Open Source Project 34b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines * 44b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines * Licensed under the Apache License, Version 2.0 (the "License"); 54b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines * you may not use this file except in compliance with the License. 64b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines * You may obtain a copy of the License at 74b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines * 84b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines * http://www.apache.org/licenses/LICENSE-2.0 94b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines * 104b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines * Unless required by applicable law or agreed to in writing, software 114b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines * distributed under the License is distributed on an "AS IS" BASIS, 124b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 134b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines * See the License for the specific language governing permissions and 144b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines * limitations under the License. 154b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines */ 164b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 174b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines#include "slang_rs_object_ref_count.h" 184b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 19e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines#include <list> 20e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines 214b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines#include "clang/AST/DeclGroup.h" 224b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines#include "clang/AST/Expr.h" 23be27482cdeaf08576bc39b72a15d35d13014a636Logan#include "clang/AST/NestedNameSpecifier.h" 244b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines#include "clang/AST/OperationKinds.h" 254b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines#include "clang/AST/Stmt.h" 264b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines#include "clang/AST/StmtVisitor.h" 274b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 286e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines#include "slang_assert.h" 294b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines#include "slang_rs.h" 30292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines#include "slang_rs_ast_replace.h" 314b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines#include "slang_rs_export_type.h" 324b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 33e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hinesnamespace slang { 344b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 35474655a402e70cb329e1bcd4ebbe00bdc5be4206Jean-Luc Brouillet/* Even though those two arrays are of size DataTypeMax, only entries that 36474655a402e70cb329e1bcd4ebbe00bdc5be4206Jean-Luc Brouillet * correspond to object types will be set. 37474655a402e70cb329e1bcd4ebbe00bdc5be4206Jean-Luc Brouillet */ 38474655a402e70cb329e1bcd4ebbe00bdc5be4206Jean-Luc Brouilletclang::FunctionDecl * 39cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc BrouilletRSObjectRefCount::RSSetObjectFD[DataTypeMax]; 40474655a402e70cb329e1bcd4ebbe00bdc5be4206Jean-Luc Brouilletclang::FunctionDecl * 41cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc BrouilletRSObjectRefCount::RSClearObjectFD[DataTypeMax]; 421bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 43f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hinesvoid RSObjectRefCount::GetRSRefCountingFunctions(clang::ASTContext &C) { 44cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet for (unsigned i = 0; i < DataTypeMax; i++) { 451bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines RSSetObjectFD[i] = NULL; 461bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines RSClearObjectFD[i] = NULL; 471bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines } 481bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 491bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines clang::TranslationUnitDecl *TUDecl = C.getTranslationUnitDecl(); 501bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 511bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines for (clang::DeclContext::decl_iterator I = TUDecl->decls_begin(), 521bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines E = TUDecl->decls_end(); I != E; I++) { 531bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines if ((I->getKind() >= clang::Decl::firstFunction) && 541bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines (I->getKind() <= clang::Decl::lastFunction)) { 551bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines clang::FunctionDecl *FD = static_cast<clang::FunctionDecl*>(*I); 561bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 571bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines // points to RSSetObjectFD or RSClearObjectFD 581bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines clang::FunctionDecl **RSObjectFD; 591bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 601bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines if (FD->getName() == "rsSetObject") { 616e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert((FD->getNumParams() == 2) && 626e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines "Invalid rsSetObject function prototype (# params)"); 631bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines RSObjectFD = RSSetObjectFD; 641bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines } else if (FD->getName() == "rsClearObject") { 656e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert((FD->getNumParams() == 1) && 666e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines "Invalid rsClearObject function prototype (# params)"); 671bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines RSObjectFD = RSClearObjectFD; 68e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines } else { 691bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines continue; 701bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines } 711bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 721bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines const clang::ParmVarDecl *PVD = FD->getParamDecl(0); 731bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines clang::QualType PVT = PVD->getOriginalType(); 741bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines // The first parameter must be a pointer like rs_allocation* 756e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert(PVT->isPointerType() && 766e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines "Invalid rs{Set,Clear}Object function prototype (pointer param)"); 771bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 781bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines // The rs object type passed to the FD 791bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines clang::QualType RST = PVT->getPointeeType(); 80cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT = RSExportPrimitiveType::GetRSSpecificType(RST.getTypePtr()); 816e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert(RSExportPrimitiveType::IsRSObjectType(DT) 821bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines && "must be RS object type"); 831bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 84cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet if (DT >= 0 && DT < DataTypeMax) { 85474655a402e70cb329e1bcd4ebbe00bdc5be4206Jean-Luc Brouillet RSObjectFD[DT] = FD; 86474655a402e70cb329e1bcd4ebbe00bdc5be4206Jean-Luc Brouillet } else { 87474655a402e70cb329e1bcd4ebbe00bdc5be4206Jean-Luc Brouillet slangAssert(false && "incorrect type"); 88474655a402e70cb329e1bcd4ebbe00bdc5be4206Jean-Luc Brouillet } 891bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines } 901bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines } 911bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines} 921bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 934464d825c11349068f2917f9ebee86b721423f3cStephen Hinesnamespace { 944464d825c11349068f2917f9ebee86b721423f3cStephen Hines 95292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines// This function constructs a new CompoundStmt from the input StmtList. 96292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesstatic clang::CompoundStmt* BuildCompoundStmt(clang::ASTContext &C, 97292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines std::list<clang::Stmt*> &StmtList, clang::SourceLocation Loc) { 98d5f9d6c8b6944dfc30d4fea68479c2fcc250a62cStephen Hines unsigned NewStmtCount = StmtList.size(); 99292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines unsigned CompoundStmtCount = 0; 1001bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 101292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines clang::Stmt **CompoundStmtList; 102292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines CompoundStmtList = new clang::Stmt*[NewStmtCount]; 1031bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 104292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines std::list<clang::Stmt*>::const_iterator I = StmtList.begin(); 105292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines std::list<clang::Stmt*>::const_iterator E = StmtList.end(); 106292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines for ( ; I != E; I++) { 107292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines CompoundStmtList[CompoundStmtCount++] = *I; 1081bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines } 109292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines slangAssert(CompoundStmtCount == NewStmtCount); 1101bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 11123c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines clang::CompoundStmt *CS = new(C) clang::CompoundStmt( 11223c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines C, llvm::makeArrayRef(CompoundStmtList, CompoundStmtCount), Loc, Loc); 1131bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 114292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines delete [] CompoundStmtList; 1151bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 116292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines return CS; 1171bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines} 1181bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 119292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesstatic void AppendAfterStmt(clang::ASTContext &C, 120e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::CompoundStmt *CS, 121292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines clang::Stmt *S, 122292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines std::list<clang::Stmt*> &StmtList) { 123292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines slangAssert(CS); 124e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::CompoundStmt::body_iterator bI = CS->body_begin(); 125292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines clang::CompoundStmt::body_iterator bE = CS->body_end(); 126292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines clang::Stmt **UpdatedStmtList = 127292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines new clang::Stmt*[CS->size() + StmtList.size()]; 128e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 129e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines unsigned UpdatedStmtCount = 0; 130e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines unsigned Once = 0; 131292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines for ( ; bI != bE; bI++) { 132292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines if (!S && ((*bI)->getStmtClass() == clang::Stmt::ReturnStmtClass)) { 133292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // If we come across a return here, we don't have anything we can 134292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // reasonably replace. We should have already inserted our destructor 135292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // code in the proper spot, so we just clean up and return. 136292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines delete [] UpdatedStmtList; 137292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 138292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines return; 139e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines } 140e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 141292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines UpdatedStmtList[UpdatedStmtCount++] = *bI; 142c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 143292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines if ((*bI == S) && !Once) { 144292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines Once++; 145292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines std::list<clang::Stmt*>::const_iterator I = StmtList.begin(); 146292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines std::list<clang::Stmt*>::const_iterator E = StmtList.end(); 147292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines for ( ; I != E; I++) { 148292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines UpdatedStmtList[UpdatedStmtCount++] = *I; 149292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines } 150292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines } 151c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines } 152292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines slangAssert(Once <= 1); 153c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 154292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // When S is NULL, we are appending to the end of the CompoundStmt. 155292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines if (!S) { 156292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines slangAssert(Once == 0); 157292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines std::list<clang::Stmt*>::const_iterator I = StmtList.begin(); 158292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines std::list<clang::Stmt*>::const_iterator E = StmtList.end(); 159292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines for ( ; I != E; I++) { 160292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines UpdatedStmtList[UpdatedStmtCount++] = *I; 161c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines } 162c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines } 163c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 164c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines CS->setStmts(C, UpdatedStmtList, UpdatedStmtCount); 165c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 166c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines delete [] UpdatedStmtList; 167c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines} 168c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 169a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines// This class visits a compound statement and inserts DtorStmt 170a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines// in proper locations. This includes inserting it before any 1714464d825c11349068f2917f9ebee86b721423f3cStephen Hines// return statement in any sub-block, at the end of the logical enclosing 1724464d825c11349068f2917f9ebee86b721423f3cStephen Hines// scope (compound statement), and/or before any break/continue statement that 1734464d825c11349068f2917f9ebee86b721423f3cStephen Hines// would resume outside the declared scope. We will not handle the case for 1744464d825c11349068f2917f9ebee86b721423f3cStephen Hines// goto statements that leave a local scope. 175292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines// 176292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines// To accomplish these goals, it collects a list of sub-Stmt's that 177292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines// correspond to scope exit points. It then uses an RSASTReplace visitor to 178292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines// transform the AST, inserting appropriate destructors before each of those 179292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines// sub-Stmt's (and also before the exit of the outermost containing Stmt for 180292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines// the scope). 1814464d825c11349068f2917f9ebee86b721423f3cStephen Hinesclass DestructorVisitor : public clang::StmtVisitor<DestructorVisitor> { 1824464d825c11349068f2917f9ebee86b721423f3cStephen Hines private: 183d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines clang::ASTContext &mCtx; 184292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 185292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // The loop depth of the currently visited node. 186292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines int mLoopDepth; 187292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 188292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // The switch statement depth of the currently visited node. 189292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // Note that this is tracked separately from the loop depth because 190292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // SwitchStmt-contained ContinueStmt's should have destructors for the 191292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // corresponding loop scope. 192292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines int mSwitchDepth; 193292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 194292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // The outermost statement block that we are currently visiting. 195292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // This should always be a CompoundStmt. 196292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines clang::Stmt *mOuterStmt; 197292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 198a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // The destructor to execute for this scope/variable. 199a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::Stmt* mDtorStmt; 200292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 201292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // The stack of statements which should be replaced by a compound statement 202a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // containing the new destructor call followed by the original Stmt. 203292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines std::stack<clang::Stmt*> mReplaceStmtStack; 204292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 205a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // The source location for the variable declaration that we are trying to 206a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // insert destructors for. Note that InsertDestructors() will not generate 207a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // destructor calls for source locations that occur lexically before this 208a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // location. 209a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::SourceLocation mVarLoc; 210a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines 2114464d825c11349068f2917f9ebee86b721423f3cStephen Hines public: 212292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines DestructorVisitor(clang::ASTContext &C, 213292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines clang::Stmt* OuterStmt, 214a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::Stmt* DtorStmt, 215a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::SourceLocation VarLoc); 216292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 217292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // This code walks the collected list of Stmts to replace and actually does 218a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // the replacement. It also finishes up by appending the destructor to the 219a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // current outermost CompoundStmt. 220292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void InsertDestructors() { 221292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines clang::Stmt *S = NULL; 222a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::SourceManager &SM = mCtx.getSourceManager(); 223a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines std::list<clang::Stmt *> StmtList; 224a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines StmtList.push_back(mDtorStmt); 225a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines 226292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines while (!mReplaceStmtStack.empty()) { 227292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines S = mReplaceStmtStack.top(); 228292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mReplaceStmtStack.pop(); 229292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 230a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // Skip all source locations that occur before the variable's 231a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // declaration, since it won't have been initialized yet. 232a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines if (SM.isBeforeInTranslationUnit(S->getLocStart(), mVarLoc)) { 233a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines continue; 234a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines } 235a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines 236a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines StmtList.push_back(S); 237292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines clang::CompoundStmt *CS = 238a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines BuildCompoundStmt(mCtx, StmtList, S->getLocEnd()); 239a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines StmtList.pop_back(); 240292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 241d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines RSASTReplace R(mCtx); 242292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines R.ReplaceStmt(mOuterStmt, S, CS); 243292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines } 244ab992e59a36a18df49bf4878968ef0598299afd3Logan Chien clang::CompoundStmt *CS = 245ab992e59a36a18df49bf4878968ef0598299afd3Logan Chien llvm::dyn_cast<clang::CompoundStmt>(mOuterStmt); 246292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines slangAssert(CS); 247a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines AppendAfterStmt(mCtx, CS, NULL, StmtList); 248292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines } 249292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 2504464d825c11349068f2917f9ebee86b721423f3cStephen Hines void VisitStmt(clang::Stmt *S); 2514464d825c11349068f2917f9ebee86b721423f3cStephen Hines void VisitCompoundStmt(clang::CompoundStmt *CS); 252292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 253292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitBreakStmt(clang::BreakStmt *BS); 254292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitCaseStmt(clang::CaseStmt *CS); 255292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitContinueStmt(clang::ContinueStmt *CS); 256292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitDefaultStmt(clang::DefaultStmt *DS); 257292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitDoStmt(clang::DoStmt *DS); 258292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitForStmt(clang::ForStmt *FS); 259292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitIfStmt(clang::IfStmt *IS); 260292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitReturnStmt(clang::ReturnStmt *RS); 261292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitSwitchCase(clang::SwitchCase *SC); 262292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitSwitchStmt(clang::SwitchStmt *SS); 263292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitWhileStmt(clang::WhileStmt *WS); 2644464d825c11349068f2917f9ebee86b721423f3cStephen Hines}; 2654464d825c11349068f2917f9ebee86b721423f3cStephen Hines 2664464d825c11349068f2917f9ebee86b721423f3cStephen HinesDestructorVisitor::DestructorVisitor(clang::ASTContext &C, 267292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines clang::Stmt *OuterStmt, 268a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::Stmt *DtorStmt, 269a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::SourceLocation VarLoc) 270d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines : mCtx(C), 271292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mLoopDepth(0), 272292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mSwitchDepth(0), 273292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mOuterStmt(OuterStmt), 274a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines mDtorStmt(DtorStmt), 275a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines mVarLoc(VarLoc) { 2764464d825c11349068f2917f9ebee86b721423f3cStephen Hines} 2774464d825c11349068f2917f9ebee86b721423f3cStephen Hines 2784464d825c11349068f2917f9ebee86b721423f3cStephen Hinesvoid DestructorVisitor::VisitStmt(clang::Stmt *S) { 2794464d825c11349068f2917f9ebee86b721423f3cStephen Hines for (clang::Stmt::child_iterator I = S->child_begin(), E = S->child_end(); 2804464d825c11349068f2917f9ebee86b721423f3cStephen Hines I != E; 2814464d825c11349068f2917f9ebee86b721423f3cStephen Hines I++) { 2824464d825c11349068f2917f9ebee86b721423f3cStephen Hines if (clang::Stmt *Child = *I) { 2834464d825c11349068f2917f9ebee86b721423f3cStephen Hines Visit(Child); 2844464d825c11349068f2917f9ebee86b721423f3cStephen Hines } 2854464d825c11349068f2917f9ebee86b721423f3cStephen Hines } 2864464d825c11349068f2917f9ebee86b721423f3cStephen Hines} 2874464d825c11349068f2917f9ebee86b721423f3cStephen Hines 288292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitCompoundStmt(clang::CompoundStmt *CS) { 289292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(CS); 290292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 291292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 292292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitBreakStmt(clang::BreakStmt *BS) { 293292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(BS); 294292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines if ((mLoopDepth == 0) && (mSwitchDepth == 0)) { 295292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mReplaceStmtStack.push(BS); 296292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines } 297292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 298292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 299292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitCaseStmt(clang::CaseStmt *CS) { 300292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(CS); 301292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 302292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 303292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitContinueStmt(clang::ContinueStmt *CS) { 304292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(CS); 305292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines if (mLoopDepth == 0) { 306292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // Switch statements can have nested continues. 307292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mReplaceStmtStack.push(CS); 308292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines } 309292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 310292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 311292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitDefaultStmt(clang::DefaultStmt *DS) { 312292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(DS); 313292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 314292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 315292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitDoStmt(clang::DoStmt *DS) { 316292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mLoopDepth++; 317292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(DS); 318292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mLoopDepth--; 319292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 320292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 321292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitForStmt(clang::ForStmt *FS) { 322292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mLoopDepth++; 323292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(FS); 324292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mLoopDepth--; 325292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 326292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 327292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitIfStmt(clang::IfStmt *IS) { 328292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(IS); 329292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 330292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 331292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitReturnStmt(clang::ReturnStmt *RS) { 332292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mReplaceStmtStack.push(RS); 333292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 334292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 335292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitSwitchCase(clang::SwitchCase *SC) { 336292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines slangAssert(false && "Both case and default have specialized handlers"); 337292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(SC); 338292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 339292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 340292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitSwitchStmt(clang::SwitchStmt *SS) { 341292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mSwitchDepth++; 342292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(SS); 343292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mSwitchDepth--; 344292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 345292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 346292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitWhileStmt(clang::WhileStmt *WS) { 347292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mLoopDepth++; 348292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(WS); 349292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mLoopDepth--; 350292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 351292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 352f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hinesclang::Expr *ClearSingleRSObject(clang::ASTContext &C, 353f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RefRSVar, 354f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::SourceLocation Loc) { 355f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(RefRSVar); 356f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines const clang::Type *T = RefRSVar->getType().getTypePtr(); 357f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(!T->isArrayType() && 358f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines "Should not be destroying arrays with this function"); 359f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 360f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::FunctionDecl *ClearObjectFD = RSObjectRefCount::GetRSClearObjectFD(T); 361f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert((ClearObjectFD != NULL) && 362f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines "rsClearObject doesn't cover all RS object types"); 363f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 364f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::QualType ClearObjectFDType = ClearObjectFD->getType(); 365f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::QualType ClearObjectFDArgType = 366f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines ClearObjectFD->getParamDecl(0)->getOriginalType(); 367f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 368f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // Example destructor for "rs_font localFont;" 369f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // 370f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // (CallExpr 'void' 371f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // (ImplicitCastExpr 'void (*)(rs_font *)' <FunctionToPointerDecay> 372f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // (DeclRefExpr 'void (rs_font *)' FunctionDecl='rsClearObject')) 373f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // (UnaryOperator 'rs_font *' prefix '&' 374f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // (DeclRefExpr 'rs_font':'rs_font' Var='localFont'))) 375f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 376f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // Get address of targeted RS object 377f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *AddrRefRSVar = 378f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines new(C) clang::UnaryOperator(RefRSVar, 379f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::UO_AddrOf, 380f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines ClearObjectFDArgType, 381be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 382be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 383f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines Loc); 384f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 385f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RefRSClearObjectFD = 386f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclRefExpr::Create(C, 387be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 3880444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 389f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines ClearObjectFD, 390e2597ac5a8ba7a45a1d5f342973cd43a3a1932cfShih-wei Liao false, 391f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines ClearObjectFD->getLocation(), 392be27482cdeaf08576bc39b72a15d35d13014a636Logan ClearObjectFDType, 393be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 394be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 395f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 396f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RSClearObjectFP = 397f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::ImplicitCastExpr::Create(C, 398f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines C.getPointerType(ClearObjectFDType), 399f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::CK_FunctionToPointerDecay, 400f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RefRSClearObjectFD, 401f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines NULL, 402f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::VK_RValue); 40303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 4041dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines llvm::SmallVector<clang::Expr*, 1> ArgList; 4051dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines ArgList.push_back(AddrRefRSVar); 4061dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines 407f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::CallExpr *RSClearObjectCall = 408f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines new(C) clang::CallExpr(C, 409f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSClearObjectFP, 4101dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines ArgList, 411f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines ClearObjectFD->getCallResultType(), 412be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 413f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines Loc); 414f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 415f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines return RSClearObjectCall; 416f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines} 417f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 418f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hinesstatic int ArrayDim(const clang::Type *T) { 41903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines if (!T || !T->isArrayType()) { 42003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines return 0; 42103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines } 42203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 42303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines const clang::ConstantArrayType *CAT = 42403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines static_cast<const clang::ConstantArrayType *>(T); 4259d2c0fa6490e09b3ff5603796bce42d97788e5c8Stephen Hines return static_cast<int>(CAT->getSize().getSExtValue()); 42603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines} 42703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 428f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hinesstatic clang::Stmt *ClearStructRSObject( 429f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::ASTContext &C, 430f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclContext *DC, 431f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RefRSStruct, 432d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines clang::SourceLocation StartLoc, 433f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::SourceLocation Loc); 434f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 435f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hinesstatic clang::Stmt *ClearArrayRSObject( 436f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::ASTContext &C, 437f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclContext *DC, 438f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RefRSArr, 439cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc, 440f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::SourceLocation Loc) { 441f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines const clang::Type *BaseType = RefRSArr->getType().getTypePtr(); 442f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(BaseType->isArrayType()); 443f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 444f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines int NumArrayElements = ArrayDim(BaseType); 445f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // Actually extract out the base RS object type for use later 446f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines BaseType = BaseType->getArrayElementTypeNoTypeQual(); 44703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 44803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::Stmt *StmtArray[2] = {NULL}; 44903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines int StmtCtr = 0; 45003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 45103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines if (NumArrayElements <= 0) { 45203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines return NULL; 45303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines } 45403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 45503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Example destructor loop for "rs_font fontArr[10];" 45603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // 45703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (CompoundStmt 45803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (DeclStmt "int rsIntIter") 45903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (ForStmt 46003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (BinaryOperator 'int' '=' 46103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (DeclRefExpr 'int' Var='rsIntIter') 46203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (IntegerLiteral 'int' 0)) 46303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (BinaryOperator 'int' '<' 46403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (DeclRefExpr 'int' Var='rsIntIter') 46503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (IntegerLiteral 'int' 10) 46603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // NULL << CondVar >> 46703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (UnaryOperator 'int' postfix '++' 46803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (DeclRefExpr 'int' Var='rsIntIter')) 46903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (CallExpr 'void' 47003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (ImplicitCastExpr 'void (*)(rs_font *)' <FunctionToPointerDecay> 47103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (DeclRefExpr 'void (rs_font *)' FunctionDecl='rsClearObject')) 47203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (UnaryOperator 'rs_font *' prefix '&' 47303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (ArraySubscriptExpr 'rs_font':'rs_font' 47403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (ImplicitCastExpr 'rs_font *' <ArrayToPointerDecay> 47503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (DeclRefExpr 'rs_font [10]' Var='fontArr')) 47603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (DeclRefExpr 'int' Var='rsIntIter'))))))) 47703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 47803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Create helper variable for iterating through elements 47903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::IdentifierInfo& II = C.Idents.get("rsIntIter"); 48003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::VarDecl *IIVD = 48103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::VarDecl::Create(C, 482f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines DC, 483cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, 48403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Loc, 48503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines &II, 48603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines C.IntTy, 48703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines C.getTrivialTypeSourceInfo(C.IntTy), 48803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::SC_None); 48903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::Decl *IID = (clang::Decl *)IIVD; 49003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 49103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::DeclGroupRef DGR = clang::DeclGroupRef::Create(C, &IID, 1); 49203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines StmtArray[StmtCtr++] = new(C) clang::DeclStmt(DGR, Loc, Loc); 49303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 49403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Form the actual destructor loop 49503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // for (Init; Cond; Inc) 49603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // RSClearObjectCall; 49703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 49803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Init -> "rsIntIter = 0" 49903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::DeclRefExpr *RefrsIntIter = 50003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::DeclRefExpr::Create(C, 501be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 5020444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 50303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines IIVD, 504e2597ac5a8ba7a45a1d5f342973cd43a3a1932cfShih-wei Liao false, 50503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Loc, 506be27482cdeaf08576bc39b72a15d35d13014a636Logan C.IntTy, 507be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 508be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 50903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 51003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::Expr *Int0 = clang::IntegerLiteral::Create(C, 51103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines llvm::APInt(C.getTypeSize(C.IntTy), 0), C.IntTy, Loc); 51203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 51303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::BinaryOperator *Init = 51403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines new(C) clang::BinaryOperator(RefrsIntIter, 51503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Int0, 51603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::BO_Assign, 51703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines C.IntTy, 518be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 519be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 52023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines Loc, 52123c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines false); 52203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 52303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Cond -> "rsIntIter < NumArrayElements" 52403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::Expr *NumArrayElementsExpr = clang::IntegerLiteral::Create(C, 52503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines llvm::APInt(C.getTypeSize(C.IntTy), NumArrayElements), C.IntTy, Loc); 52603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 52703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::BinaryOperator *Cond = 52803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines new(C) clang::BinaryOperator(RefrsIntIter, 52903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines NumArrayElementsExpr, 53003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::BO_LT, 53103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines C.IntTy, 532be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 533be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 53423c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines Loc, 53523c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines false); 53603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 53703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Inc -> "rsIntIter++" 53803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::UnaryOperator *Inc = 53903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines new(C) clang::UnaryOperator(RefrsIntIter, 54003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::UO_PostInc, 54103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines C.IntTy, 542be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 543be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 54403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Loc); 54503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 54603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Body -> "rsClearObject(&VD[rsIntIter]);" 54703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Destructor loop operates on individual array elements 54803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 549f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RefRSArrPtr = 55003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::ImplicitCastExpr::Create(C, 551f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines C.getPointerType(BaseType->getCanonicalTypeInternal()), 55203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::CK_ArrayToPointerDecay, 553f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RefRSArr, 55403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines NULL, 55503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::VK_RValue); 55603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 557f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RefRSArrPtrSubscript = 558f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines new(C) clang::ArraySubscriptExpr(RefRSArrPtr, 55903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines RefrsIntIter, 560f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines BaseType->getCanonicalTypeInternal(), 561be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 562be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 563f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines Loc); 56403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 565cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT = RSExportPrimitiveType::GetRSSpecificType(BaseType); 566f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 567f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Stmt *RSClearObjectCall = NULL; 568f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (BaseType->isArrayType()) { 569f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSClearObjectCall = 570cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao ClearArrayRSObject(C, DC, RefRSArrPtrSubscript, StartLoc, Loc); 571cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet } else if (DT == DataTypeUnknown) { 572f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSClearObjectCall = 573cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao ClearStructRSObject(C, DC, RefRSArrPtrSubscript, StartLoc, Loc); 574f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } else { 575f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSClearObjectCall = ClearSingleRSObject(C, RefRSArrPtrSubscript, Loc); 576f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 57703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 57803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::ForStmt *DestructorLoop = 57903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines new(C) clang::ForStmt(C, 58003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Init, 58103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Cond, 58203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines NULL, // no condVar 58303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Inc, 58403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines RSClearObjectCall, 58503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Loc, 58603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Loc, 58703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Loc); 58803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 58903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines StmtArray[StmtCtr++] = DestructorLoop; 5906e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert(StmtCtr == 2); 59103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 59223c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines clang::CompoundStmt *CS = new(C) clang::CompoundStmt( 59323c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines C, llvm::makeArrayRef(StmtArray, StmtCtr), Loc, Loc); 59403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 59503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines return CS; 59603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines} 59703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 598d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hinesstatic unsigned CountRSObjectTypes(clang::ASTContext &C, 599d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines const clang::Type *T, 600d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines clang::SourceLocation Loc) { 601f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(T); 602f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines unsigned RSObjectCount = 0; 603f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 604f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (T->isArrayType()) { 605d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines return CountRSObjectTypes(C, T->getArrayElementTypeNoTypeQual(), Loc); 606f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 607f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 608cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT = RSExportPrimitiveType::GetRSSpecificType(T); 609cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet if (DT != DataTypeUnknown) { 610f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines return (RSExportPrimitiveType::IsRSObjectType(DT) ? 1 : 0); 611f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 612f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 613d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines if (T->isUnionType()) { 614d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines clang::RecordDecl *RD = T->getAsUnionType()->getDecl(); 615d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines RD = RD->getDefinition(); 616d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines for (clang::RecordDecl::field_iterator FI = RD->field_begin(), 617d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines FE = RD->field_end(); 618d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines FI != FE; 619d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines FI++) { 620d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines const clang::FieldDecl *FD = *FI; 621d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines const clang::Type *FT = RSExportType::GetTypeOfDecl(FD); 622d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines if (CountRSObjectTypes(C, FT, Loc)) { 62378e69cb06b9b0683b2ac9dcafde87b867690ef2fStephen Hines slangAssert(false && "can't have unions with RS object types!"); 624d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines return 0; 625d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines } 626d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines } 627d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines } 628d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines 629f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (!T->isStructureType()) { 630f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines return 0; 631f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 632f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 633f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::RecordDecl *RD = T->getAsStructureType()->getDecl(); 634f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RD = RD->getDefinition(); 635f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines for (clang::RecordDecl::field_iterator FI = RD->field_begin(), 636f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FE = RD->field_end(); 637f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FI != FE; 638f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FI++) { 639f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines const clang::FieldDecl *FD = *FI; 640f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines const clang::Type *FT = RSExportType::GetTypeOfDecl(FD); 641d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines if (CountRSObjectTypes(C, FT, Loc)) { 642f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // Sub-structs should only count once (as should arrays, etc.) 643f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSObjectCount++; 644f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 645f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 646f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 647f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines return RSObjectCount; 648f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines} 649f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 650f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hinesstatic clang::Stmt *ClearStructRSObject( 651f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::ASTContext &C, 652f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclContext *DC, 653f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RefRSStruct, 654cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc, 655f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::SourceLocation Loc) { 656f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines const clang::Type *BaseType = RefRSStruct->getType().getTypePtr(); 657f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 658f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(!BaseType->isArrayType()); 659f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 660f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // Structs should show up as unknown primitive types 6619be9360d8e02b52ed669afbd69f9becb575c3f0dAlex Sakhartchouk slangAssert(RSExportPrimitiveType::GetRSSpecificType(BaseType) == 662cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataTypeUnknown); 663f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 664d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines unsigned FieldsToDestroy = CountRSObjectTypes(C, BaseType, Loc); 665b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines slangAssert(FieldsToDestroy != 0); 666f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 667f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines unsigned StmtCount = 0; 668f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Stmt **StmtArray = new clang::Stmt*[FieldsToDestroy]; 6692bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines for (unsigned i = 0; i < FieldsToDestroy; i++) { 6702bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines StmtArray[i] = NULL; 6712bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 672f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 673f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // Populate StmtArray by creating a destructor for each RS object field 674f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::RecordDecl *RD = BaseType->getAsStructureType()->getDecl(); 675f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RD = RD->getDefinition(); 676f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines for (clang::RecordDecl::field_iterator FI = RD->field_begin(), 677f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FE = RD->field_end(); 678f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FI != FE; 679f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FI++) { 680f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // We just look through all field declarations to see if we find a 681f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // declaration for an RS object type (or an array of one). 682f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines bool IsArrayType = false; 683f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::FieldDecl *FD = *FI; 684f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines const clang::Type *FT = RSExportType::GetTypeOfDecl(FD); 685f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines const clang::Type *OrigType = FT; 686f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines while (FT && FT->isArrayType()) { 687f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FT = FT->getArrayElementTypeNoTypeQual(); 688f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines IsArrayType = true; 689f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 690f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 691f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (RSExportPrimitiveType::IsRSObjectType(FT)) { 692f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclAccessPair FoundDecl = 693f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclAccessPair::make(FD, clang::AS_none); 694f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::MemberExpr *RSObjectMember = 695f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::MemberExpr::Create(C, 696f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RefRSStruct, 697f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines false, 698be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 6990444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 700f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FD, 701f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FoundDecl, 702f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclarationNameInfo(), 703f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines NULL, 704be27482cdeaf08576bc39b72a15d35d13014a636Logan OrigType->getCanonicalTypeInternal(), 705be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 706be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary); 707f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 708f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(StmtCount < FieldsToDestroy); 709f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 710f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (IsArrayType) { 711f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines StmtArray[StmtCount++] = ClearArrayRSObject(C, 712f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines DC, 713f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSObjectMember, 714cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, 715f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines Loc); 716f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } else { 717f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines StmtArray[StmtCount++] = ClearSingleRSObject(C, 718f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSObjectMember, 719f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines Loc); 720f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 721d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines } else if (FT->isStructureType() && CountRSObjectTypes(C, FT, Loc)) { 722f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // In this case, we have a nested struct. We may not end up filling all 723f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // of the spaces in StmtArray (sub-structs should handle themselves 724f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // with separate compound statements). 725f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclAccessPair FoundDecl = 726f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclAccessPair::make(FD, clang::AS_none); 727f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::MemberExpr *RSObjectMember = 728f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::MemberExpr::Create(C, 729f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RefRSStruct, 730f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines false, 731be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 7320444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 733f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FD, 734f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FoundDecl, 735f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclarationNameInfo(), 736f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines NULL, 737be27482cdeaf08576bc39b72a15d35d13014a636Logan OrigType->getCanonicalTypeInternal(), 738be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 739be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary); 740f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 741f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (IsArrayType) { 742f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines StmtArray[StmtCount++] = ClearArrayRSObject(C, 743f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines DC, 744f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSObjectMember, 745cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, 746f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines Loc); 747f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } else { 748f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines StmtArray[StmtCount++] = ClearStructRSObject(C, 749f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines DC, 750f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSObjectMember, 751cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, 752f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines Loc); 753f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 754f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 755f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 756f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 757f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(StmtCount > 0); 75823c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines clang::CompoundStmt *CS = new(C) clang::CompoundStmt( 75923c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines C, llvm::makeArrayRef(StmtArray, StmtCount), Loc, Loc); 760f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 761f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines delete [] StmtArray; 762f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 763f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines return CS; 764f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines} 765f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 7662bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hinesstatic clang::Stmt *CreateSingleRSSetObject(clang::ASTContext &C, 7672bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *DstExpr, 7682bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *SrcExpr, 769cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc, 7702bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::SourceLocation Loc) { 7712bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines const clang::Type *T = DstExpr->getType().getTypePtr(); 7722bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::FunctionDecl *SetObjectFD = RSObjectRefCount::GetRSSetObjectFD(T); 7736e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert((SetObjectFD != NULL) && 7746e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines "rsSetObject doesn't cover all RS object types"); 775c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 776c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::QualType SetObjectFDType = SetObjectFD->getType(); 777c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::QualType SetObjectFDArgType[2]; 778c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines SetObjectFDArgType[0] = SetObjectFD->getParamDecl(0)->getOriginalType(); 779c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines SetObjectFDArgType[1] = SetObjectFD->getParamDecl(1)->getOriginalType(); 780c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 781c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::Expr *RefRSSetObjectFD = 782c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::DeclRefExpr::Create(C, 783be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 7840444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 785c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines SetObjectFD, 786e2597ac5a8ba7a45a1d5f342973cd43a3a1932cfShih-wei Liao false, 787c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines Loc, 788be27482cdeaf08576bc39b72a15d35d13014a636Logan SetObjectFDType, 789be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 790be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 791c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 792c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::Expr *RSSetObjectFP = 793c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::ImplicitCastExpr::Create(C, 794c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines C.getPointerType(SetObjectFDType), 795c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::CK_FunctionToPointerDecay, 796c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines RefRSSetObjectFD, 797c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines NULL, 798c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::VK_RValue); 799c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 8001dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines llvm::SmallVector<clang::Expr*, 2> ArgList; 8011dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines ArgList.push_back(new(C) clang::UnaryOperator(DstExpr, 8021dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines clang::UO_AddrOf, 8031dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines SetObjectFDArgType[0], 8041dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines clang::VK_RValue, 8051dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines clang::OK_Ordinary, 8061dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines Loc)); 8071dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines ArgList.push_back(SrcExpr); 808c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 809c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::CallExpr *RSSetObjectCall = 810c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines new(C) clang::CallExpr(C, 811c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines RSSetObjectFP, 812c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines ArgList, 813c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines SetObjectFD->getCallResultType(), 814be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 815c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines Loc); 816c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 8172bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines return RSSetObjectCall; 8182bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines} 8192bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8202bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hinesstatic clang::Stmt *CreateStructRSSetObject(clang::ASTContext &C, 8212bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *LHS, 8222bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *RHS, 823cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc, 8242bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::SourceLocation Loc); 8252bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 826246fa17206bf78c59a64b2f7d98a6716d5345b81Al Sutton/*static clang::Stmt *CreateArrayRSSetObject(clang::ASTContext &C, 8272bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *DstArr, 8282bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *SrcArr, 829cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc, 8302bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::SourceLocation Loc) { 8312bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclContext *DC = NULL; 8322bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines const clang::Type *BaseType = DstArr->getType().getTypePtr(); 8332bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines slangAssert(BaseType->isArrayType()); 8342bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8352bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines int NumArrayElements = ArrayDim(BaseType); 8362bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Actually extract out the base RS object type for use later 8372bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines BaseType = BaseType->getArrayElementTypeNoTypeQual(); 8382bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8392bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Stmt *StmtArray[2] = {NULL}; 8402bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines int StmtCtr = 0; 8412bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8422bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines if (NumArrayElements <= 0) { 8432bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines return NULL; 8442bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 8452bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8462bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Create helper variable for iterating through elements 8472bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::IdentifierInfo& II = C.Idents.get("rsIntIter"); 8482bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::VarDecl *IIVD = 8492bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::VarDecl::Create(C, 8502bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines DC, 851cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, 8522bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc, 8532bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines &II, 8542bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines C.IntTy, 8552bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines C.getTrivialTypeSourceInfo(C.IntTy), 8562bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::SC_None, 8572bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::SC_None); 8582bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Decl *IID = (clang::Decl *)IIVD; 8592bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8602bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclGroupRef DGR = clang::DeclGroupRef::Create(C, &IID, 1); 8612bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines StmtArray[StmtCtr++] = new(C) clang::DeclStmt(DGR, Loc, Loc); 8622bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8632bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Form the actual loop 8642bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // for (Init; Cond; Inc) 8652bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // RSSetObjectCall; 8662bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8672bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Init -> "rsIntIter = 0" 8682bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclRefExpr *RefrsIntIter = 8692bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclRefExpr::Create(C, 870be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 8712bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines IIVD, 8722bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc, 873be27482cdeaf08576bc39b72a15d35d13014a636Logan C.IntTy, 874be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 875be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 8762bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8772bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *Int0 = clang::IntegerLiteral::Create(C, 8782bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines llvm::APInt(C.getTypeSize(C.IntTy), 0), C.IntTy, Loc); 8792bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8802bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::BinaryOperator *Init = 8812bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines new(C) clang::BinaryOperator(RefrsIntIter, 8822bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Int0, 8832bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::BO_Assign, 8842bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines C.IntTy, 885be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 886be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 8872bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc); 8882bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8892bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Cond -> "rsIntIter < NumArrayElements" 8902bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *NumArrayElementsExpr = clang::IntegerLiteral::Create(C, 8912bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines llvm::APInt(C.getTypeSize(C.IntTy), NumArrayElements), C.IntTy, Loc); 8922bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8932bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::BinaryOperator *Cond = 8942bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines new(C) clang::BinaryOperator(RefrsIntIter, 8952bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines NumArrayElementsExpr, 8962bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::BO_LT, 8972bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines C.IntTy, 898be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 899be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 9002bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc); 9012bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9022bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Inc -> "rsIntIter++" 9032bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::UnaryOperator *Inc = 9042bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines new(C) clang::UnaryOperator(RefrsIntIter, 9052bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::UO_PostInc, 9062bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines C.IntTy, 907be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 908be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 9092bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc); 9102bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9112bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Body -> "rsSetObject(&Dst[rsIntIter], Src[rsIntIter]);" 9122bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Loop operates on individual array elements 9132bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9142bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *DstArrPtr = 9152bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::ImplicitCastExpr::Create(C, 9162bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines C.getPointerType(BaseType->getCanonicalTypeInternal()), 9172bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::CK_ArrayToPointerDecay, 9182bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines DstArr, 9192bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines NULL, 9202bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::VK_RValue); 9212bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9222bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *DstArrPtrSubscript = 9232bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines new(C) clang::ArraySubscriptExpr(DstArrPtr, 9242bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines RefrsIntIter, 9252bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines BaseType->getCanonicalTypeInternal(), 926be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 927be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 9282bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc); 9292bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9302bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *SrcArrPtr = 9312bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::ImplicitCastExpr::Create(C, 9322bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines C.getPointerType(BaseType->getCanonicalTypeInternal()), 9332bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::CK_ArrayToPointerDecay, 9342bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines SrcArr, 9352bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines NULL, 9362bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::VK_RValue); 9372bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9382bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *SrcArrPtrSubscript = 9392bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines new(C) clang::ArraySubscriptExpr(SrcArrPtr, 9402bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines RefrsIntIter, 9412bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines BaseType->getCanonicalTypeInternal(), 942be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 943be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 9442bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc); 9452bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 946cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT = RSExportPrimitiveType::GetRSSpecificType(BaseType); 9472bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9482bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Stmt *RSSetObjectCall = NULL; 9492bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines if (BaseType->isArrayType()) { 950d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines RSSetObjectCall = CreateArrayRSSetObject(C, DstArrPtrSubscript, 951cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao SrcArrPtrSubscript, 952cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, Loc); 953cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet } else if (DT == DataTypeUnknown) { 954d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines RSSetObjectCall = CreateStructRSSetObject(C, DstArrPtrSubscript, 955cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao SrcArrPtrSubscript, 956cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, Loc); 9572bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } else { 958d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines RSSetObjectCall = CreateSingleRSSetObject(C, DstArrPtrSubscript, 959cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao SrcArrPtrSubscript, 960cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, Loc); 9612bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 9622bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9632bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::ForStmt *DestructorLoop = 9642bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines new(C) clang::ForStmt(C, 9652bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Init, 9662bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Cond, 9672bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines NULL, // no condVar 9682bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Inc, 9692bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines RSSetObjectCall, 9702bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc, 9712bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc, 9722bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc); 9732bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9742bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines StmtArray[StmtCtr++] = DestructorLoop; 9752bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines slangAssert(StmtCtr == 2); 9762bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9772bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::CompoundStmt *CS = 9782bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines new(C) clang::CompoundStmt(C, StmtArray, StmtCtr, Loc, Loc); 9792bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9802bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines return CS; 981246fa17206bf78c59a64b2f7d98a6716d5345b81Al Sutton} */ 9822bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9832bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hinesstatic clang::Stmt *CreateStructRSSetObject(clang::ASTContext &C, 9842bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *LHS, 9852bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *RHS, 986cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc, 9872bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::SourceLocation Loc) { 9882bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::QualType QT = LHS->getType(); 9892bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines const clang::Type *T = QT.getTypePtr(); 9902bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines slangAssert(T->isStructureType()); 9912bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines slangAssert(!RSExportPrimitiveType::IsRSObjectType(T)); 9922bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9932bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Keep an extra slot for the original copy (memcpy) 994d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines unsigned FieldsToSet = CountRSObjectTypes(C, T, Loc) + 1; 9952bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9962bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines unsigned StmtCount = 0; 9972bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Stmt **StmtArray = new clang::Stmt*[FieldsToSet]; 9982bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines for (unsigned i = 0; i < FieldsToSet; i++) { 9992bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines StmtArray[i] = NULL; 10002bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 10012bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10022bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::RecordDecl *RD = T->getAsStructureType()->getDecl(); 10032bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines RD = RD->getDefinition(); 10042bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines for (clang::RecordDecl::field_iterator FI = RD->field_begin(), 10052bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FE = RD->field_end(); 10062bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FI != FE; 10072bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FI++) { 10082bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines bool IsArrayType = false; 10092bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::FieldDecl *FD = *FI; 10102bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines const clang::Type *FT = RSExportType::GetTypeOfDecl(FD); 10112bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines const clang::Type *OrigType = FT; 10122bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 1013d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines if (!CountRSObjectTypes(C, FT, Loc)) { 10142bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Skip to next if we don't have any viable RS object types 10152bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines continue; 10162bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 10172bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10182bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclAccessPair FoundDecl = 10192bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclAccessPair::make(FD, clang::AS_none); 10202bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::MemberExpr *DstMember = 10212bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::MemberExpr::Create(C, 10222bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines LHS, 10232bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines false, 1024be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 10250444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 10262bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FD, 10272bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FoundDecl, 10282bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclarationNameInfo(), 10292bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines NULL, 1030be27482cdeaf08576bc39b72a15d35d13014a636Logan OrigType->getCanonicalTypeInternal(), 1031be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 1032be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary); 10332bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10342bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::MemberExpr *SrcMember = 10352bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::MemberExpr::Create(C, 10362bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines RHS, 10372bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines false, 1038be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 10390444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 10402bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FD, 10412bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FoundDecl, 10422bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclarationNameInfo(), 10432bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines NULL, 1044be27482cdeaf08576bc39b72a15d35d13014a636Logan OrigType->getCanonicalTypeInternal(), 1045be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 1046be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary); 10472bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10482bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines if (FT->isArrayType()) { 10492bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FT = FT->getArrayElementTypeNoTypeQual(); 10502bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines IsArrayType = true; 10512bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 10522bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 1053cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT = RSExportPrimitiveType::GetRSSpecificType(FT); 10542bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10552bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines if (IsArrayType) { 10569207a2e495c8363606861e4f034504ec5c153dabLogan Chien clang::DiagnosticsEngine &DiagEngine = C.getDiagnostics(); 10579207a2e495c8363606861e4f034504ec5c153dabLogan Chien DiagEngine.Report( 10589207a2e495c8363606861e4f034504ec5c153dabLogan Chien clang::FullSourceLoc(Loc, C.getSourceManager()), 10599207a2e495c8363606861e4f034504ec5c153dabLogan Chien DiagEngine.getCustomDiagID( 10609207a2e495c8363606861e4f034504ec5c153dabLogan Chien clang::DiagnosticsEngine::Error, 10619207a2e495c8363606861e4f034504ec5c153dabLogan Chien "Arrays of RS object types within structures cannot be copied")); 10622bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // TODO(srhines): Support setting arrays of RS objects 10632bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // StmtArray[StmtCount++] = 1064d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines // CreateArrayRSSetObject(C, DstMember, SrcMember, StartLoc, Loc); 1065cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet } else if (DT == DataTypeUnknown) { 10662bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines StmtArray[StmtCount++] = 1067d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines CreateStructRSSetObject(C, DstMember, SrcMember, StartLoc, Loc); 10682bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } else if (RSExportPrimitiveType::IsRSObjectType(DT)) { 10692bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines StmtArray[StmtCount++] = 1070d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines CreateSingleRSSetObject(C, DstMember, SrcMember, StartLoc, Loc); 10712bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } else { 10722bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines slangAssert(false); 10732bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 10742bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 10752bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 1076b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines slangAssert(StmtCount < FieldsToSet); 10772bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10782bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // We still need to actually do the overall struct copy. For simplicity, 10792bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // we just do a straight-up assignment (which will still preserve all 10802bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // the proper RS object reference counts). 10812bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::BinaryOperator *CopyStruct = 1082be27482cdeaf08576bc39b72a15d35d13014a636Logan new(C) clang::BinaryOperator(LHS, RHS, clang::BO_Assign, QT, 108323c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines clang::VK_RValue, clang::OK_Ordinary, Loc, 108423c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines false); 10852bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines StmtArray[StmtCount++] = CopyStruct; 10862bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 108723c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines clang::CompoundStmt *CS = new(C) clang::CompoundStmt( 108823c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines C, llvm::makeArrayRef(StmtArray, StmtCount), Loc, Loc); 10892bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10902bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines delete [] StmtArray; 10912bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10922bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines return CS; 10932bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines} 10942bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10952bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines} // namespace 10962bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10972bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hinesvoid RSObjectRefCount::Scope::ReplaceRSObjectAssignment( 1098d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines clang::BinaryOperator *AS) { 10992bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 11002bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::QualType QT = AS->getType(); 11012bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 11022bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::ASTContext &C = RSObjectRefCount::GetRSSetObjectFD( 11039ae18b2bbee0b08afd400542e863dd665ff76059Stephen Hines DataTypeRSAllocation)->getASTContext(); 11042bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 1105832429f6bf4592cfc2ce58f2462f1e8ecdbaaf52Stephen Hines clang::SourceLocation Loc = AS->getExprLoc(); 11069f1d0aa55669b75a718ad2e962fc8c3d8df1a5f4Stephen Hines clang::SourceLocation StartLoc = AS->getLHS()->getExprLoc(); 11072bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Stmt *UpdatedStmt = NULL; 11082bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 11092bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines if (!RSExportPrimitiveType::IsRSObjectType(QT.getTypePtr())) { 11102bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // By definition, this is a struct assignment if we get here 11112bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines UpdatedStmt = 1112d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines CreateStructRSSetObject(C, AS->getLHS(), AS->getRHS(), StartLoc, Loc); 11132bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } else { 11142bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines UpdatedStmt = 1115d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines CreateSingleRSSetObject(C, AS->getLHS(), AS->getRHS(), StartLoc, Loc); 11162bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 1117e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1118292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines RSASTReplace R(C); 1119292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines R.ReplaceStmt(mCS, AS, UpdatedStmt); 1120e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines} 1121e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1122e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hinesvoid RSObjectRefCount::Scope::AppendRSObjectInit( 1123e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::VarDecl *VD, 1124e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::DeclStmt *DS, 1125cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT, 1126e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::Expr *InitExpr) { 11276e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert(VD); 1128e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1129e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines if (!InitExpr) { 1130e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines return; 1131e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines } 1132e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1133a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines clang::ASTContext &C = RSObjectRefCount::GetRSSetObjectFD( 11349ae18b2bbee0b08afd400542e863dd665ff76059Stephen Hines DataTypeRSAllocation)->getASTContext(); 1135a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines clang::SourceLocation Loc = RSObjectRefCount::GetRSSetObjectFD( 11369ae18b2bbee0b08afd400542e863dd665ff76059Stephen Hines DataTypeRSAllocation)->getLocation(); 1137cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc = RSObjectRefCount::GetRSSetObjectFD( 11389ae18b2bbee0b08afd400542e863dd665ff76059Stephen Hines DataTypeRSAllocation)->getInnerLocStart(); 1139a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines 1140cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet if (DT == DataTypeIsStruct) { 1141a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines const clang::Type *T = RSExportType::GetTypeOfDecl(VD); 1142a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines clang::DeclRefExpr *RefRSVar = 1143a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines clang::DeclRefExpr::Create(C, 1144be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 11450444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 1146a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines VD, 1147e2597ac5a8ba7a45a1d5f342973cd43a3a1932cfShih-wei Liao false, 1148a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines Loc, 1149be27482cdeaf08576bc39b72a15d35d13014a636Logan T->getCanonicalTypeInternal(), 1150be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 1151be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 1152a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines 1153a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines clang::Stmt *RSSetObjectOps = 1154d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines CreateStructRSSetObject(C, RefRSVar, InitExpr, StartLoc, Loc); 1155a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines 1156292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines std::list<clang::Stmt*> StmtList; 1157292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines StmtList.push_back(RSSetObjectOps); 1158292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines AppendAfterStmt(C, mCS, DS, StmtList); 1159f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines return; 1160f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 1161f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 1162f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::FunctionDecl *SetObjectFD = RSObjectRefCount::GetRSSetObjectFD(DT); 11636e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert((SetObjectFD != NULL) && 11646e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines "rsSetObject doesn't cover all RS object types"); 1165e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1166e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::QualType SetObjectFDType = SetObjectFD->getType(); 1167e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::QualType SetObjectFDArgType[2]; 1168e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines SetObjectFDArgType[0] = SetObjectFD->getParamDecl(0)->getOriginalType(); 1169e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines SetObjectFDArgType[1] = SetObjectFD->getParamDecl(1)->getOriginalType(); 1170e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1171e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::Expr *RefRSSetObjectFD = 1172e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::DeclRefExpr::Create(C, 1173be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 11740444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 1175e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines SetObjectFD, 1176e2597ac5a8ba7a45a1d5f342973cd43a3a1932cfShih-wei Liao false, 1177e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines Loc, 1178be27482cdeaf08576bc39b72a15d35d13014a636Logan SetObjectFDType, 1179be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 1180be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 1181e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1182e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::Expr *RSSetObjectFP = 1183e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::ImplicitCastExpr::Create(C, 1184e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines C.getPointerType(SetObjectFDType), 1185e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::CK_FunctionToPointerDecay, 1186e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines RefRSSetObjectFD, 1187e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines NULL, 1188e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::VK_RValue); 1189e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1190e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines const clang::Type *T = RSExportType::GetTypeOfDecl(VD); 1191e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::DeclRefExpr *RefRSVar = 1192e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::DeclRefExpr::Create(C, 1193be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 11940444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 1195e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines VD, 1196e2597ac5a8ba7a45a1d5f342973cd43a3a1932cfShih-wei Liao false, 1197e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines Loc, 1198be27482cdeaf08576bc39b72a15d35d13014a636Logan T->getCanonicalTypeInternal(), 1199be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 1200be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 1201e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 12021dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines llvm::SmallVector<clang::Expr*, 2> ArgList; 12031dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines ArgList.push_back(new(C) clang::UnaryOperator(RefRSVar, 12041dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines clang::UO_AddrOf, 12051dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines SetObjectFDArgType[0], 12061dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines clang::VK_RValue, 12071dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines clang::OK_Ordinary, 12081dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines Loc)); 12091dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines ArgList.push_back(InitExpr); 1210e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1211e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::CallExpr *RSSetObjectCall = 1212e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines new(C) clang::CallExpr(C, 1213e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines RSSetObjectFP, 1214e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines ArgList, 1215e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines SetObjectFD->getCallResultType(), 1216be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 1217e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines Loc); 1218e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1219292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines std::list<clang::Stmt*> StmtList; 1220292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines StmtList.push_back(RSSetObjectCall); 1221292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines AppendAfterStmt(C, mCS, DS, StmtList); 1222c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines} 1223c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 12241bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hinesvoid RSObjectRefCount::Scope::InsertLocalVarDestructors() { 12251bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines for (std::list<clang::VarDecl*>::const_iterator I = mRSO.begin(), 12261bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines E = mRSO.end(); 12271bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines I != E; 12281bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines I++) { 1229a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::VarDecl *VD = *I; 12303f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::Stmt *RSClearObjectCall = ClearRSObject(VD, VD->getDeclContext()); 1231a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines if (RSClearObjectCall) { 1232a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines DestructorVisitor DV((*mRSO.begin())->getASTContext(), 1233a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines mCS, 1234a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines RSClearObjectCall, 1235a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines VD->getSourceRange().getBegin()); 1236a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines DV.Visit(mCS); 1237a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines DV.InsertDestructors(); 12381bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines } 12391bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines } 12401bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines} 12411bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 12423f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hinesclang::Stmt *RSObjectRefCount::Scope::ClearRSObject( 12433f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::VarDecl *VD, 12443f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::DeclContext *DC) { 1245f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(VD); 12461bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines clang::ASTContext &C = VD->getASTContext(); 12471bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines clang::SourceLocation Loc = VD->getLocation(); 1248cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc = VD->getInnerLocStart(); 12491bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines const clang::Type *T = RSExportType::GetTypeOfDecl(VD); 125003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 12511bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines // Reference expr to target RS object variable 12521bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines clang::DeclRefExpr *RefRSVar = 12531bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines clang::DeclRefExpr::Create(C, 1254be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 12550444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 12561bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines VD, 1257e2597ac5a8ba7a45a1d5f342973cd43a3a1932cfShih-wei Liao false, 12581bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines Loc, 1259be27482cdeaf08576bc39b72a15d35d13014a636Logan T->getCanonicalTypeInternal(), 1260be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 1261be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 12621bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 1263f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (T->isArrayType()) { 1264cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao return ClearArrayRSObject(C, DC, RefRSVar, StartLoc, Loc); 1265f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 12661bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 1267cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT = RSExportPrimitiveType::GetRSSpecificType(T); 12681bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 1269cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet if (DT == DataTypeUnknown || 1270cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DT == DataTypeIsStruct) { 1271cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao return ClearStructRSObject(C, DC, RefRSVar, StartLoc, Loc); 1272f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 12731bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 1274f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert((RSExportPrimitiveType::IsRSObjectType(DT)) && 1275f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines "Should be RS object"); 12761bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 1277f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines return ClearSingleRSObject(C, RefRSVar, Loc); 12781bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines} 12791bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 1280e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hinesbool RSObjectRefCount::InitializeRSObject(clang::VarDecl *VD, 1281cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType *DT, 1282e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::Expr **InitExpr) { 12836e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert(VD && DT && InitExpr); 12844b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines const clang::Type *T = RSExportType::GetTypeOfDecl(VD); 12852d095046682d9c372e8c4f102cd1b340ec14bebaStephen Hines 12862d095046682d9c372e8c4f102cd1b340ec14bebaStephen Hines // Loop through array types to get to base type 12872d095046682d9c372e8c4f102cd1b340ec14bebaStephen Hines while (T && T->isArrayType()) { 12882d095046682d9c372e8c4f102cd1b340ec14bebaStephen Hines T = T->getArrayElementTypeNoTypeQual(); 12892d095046682d9c372e8c4f102cd1b340ec14bebaStephen Hines } 12902d095046682d9c372e8c4f102cd1b340ec14bebaStephen Hines 1291f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines bool DataTypeIsStructWithRSObject = false; 1292e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines *DT = RSExportPrimitiveType::GetRSSpecificType(T); 12934b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 1294cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet if (*DT == DataTypeUnknown) { 1295feaca06fcb0772e9e972a0d61b17259fc5124d50Stephen Hines if (RSExportPrimitiveType::IsStructureTypeWithRSObject(T)) { 1296cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet *DT = DataTypeIsStruct; 1297f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines DataTypeIsStructWithRSObject = true; 1298feaca06fcb0772e9e972a0d61b17259fc5124d50Stephen Hines } else { 1299feaca06fcb0772e9e972a0d61b17259fc5124d50Stephen Hines return false; 1300feaca06fcb0772e9e972a0d61b17259fc5124d50Stephen Hines } 13012d095046682d9c372e8c4f102cd1b340ec14bebaStephen Hines } 13024b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 1303f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines bool DataTypeIsRSObject = false; 1304f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (DataTypeIsStructWithRSObject) { 1305f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines DataTypeIsRSObject = true; 1306f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } else { 1307f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines DataTypeIsRSObject = RSExportPrimitiveType::IsRSObjectType(*DT); 1308f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 1309e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines *InitExpr = VD->getInit(); 1310e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1311e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines if (!DataTypeIsRSObject && *InitExpr) { 1312e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines // If we already have an initializer for a matrix type, we are done. 1313e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines return DataTypeIsRSObject; 13144b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 13154b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 1316e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::Expr *ZeroInitializer = 1317e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines CreateZeroInitializerForRSSpecificType(*DT, 1318e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines VD->getASTContext(), 1319e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines VD->getLocation()); 1320e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1321e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines if (ZeroInitializer) { 1322e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines ZeroInitializer->setType(T->getCanonicalTypeInternal()); 1323e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines VD->setInit(ZeroInitializer); 1324e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines } 1325e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1326e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines return DataTypeIsRSObject; 13274b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines} 13284b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 13294b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hinesclang::Expr *RSObjectRefCount::CreateZeroInitializerForRSSpecificType( 1330cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT, 13314b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::ASTContext &C, 13324b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines const clang::SourceLocation &Loc) { 13334b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::Expr *Res = NULL; 13344b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines switch (DT) { 1335cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeIsStruct: 1336cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSElement: 1337cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSType: 1338cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSAllocation: 1339cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSSampler: 1340cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSScript: 1341cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSMesh: 1342cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSPath: 1343cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSProgramFragment: 1344cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSProgramVertex: 1345cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSProgramRaster: 1346cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSProgramStore: 1347cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSFont: { 13484b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (ImplicitCastExpr 'nullptr_t' 13494b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (IntegerLiteral 0))) 13504b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines llvm::APInt Zero(C.getTypeSize(C.IntTy), 0); 13514b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::Expr *Int0 = clang::IntegerLiteral::Create(C, Zero, C.IntTy, Loc); 13524b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::Expr *CastToNull = 13534b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::ImplicitCastExpr::Create(C, 13544b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines C.NullPtrTy, 13554b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::CK_IntegralToPointer, 13564b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines Int0, 13574b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines NULL, 13584b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::VK_RValue); 13594b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 13601dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines llvm::SmallVector<clang::Expr*, 1>InitList; 13611dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines InitList.push_back(CastToNull); 13621dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines 13631dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines Res = new(C) clang::InitListExpr(C, Loc, InitList, Loc); 13644b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines break; 13654b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 1366cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSMatrix2x2: 1367cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSMatrix3x3: 1368cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSMatrix4x4: { 13694b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // RS matrix is not completely an RS object. They hold data by themselves. 13704b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (InitListExpr rs_matrix2x2 13714b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (InitListExpr float[4] 13724b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (FloatingLiteral 0) 13734b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (FloatingLiteral 0) 13744b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (FloatingLiteral 0) 13754b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (FloatingLiteral 0))) 13764b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::QualType FloatTy = C.FloatTy; 13774b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // Constructor sets value to 0.0f by default 13784b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines llvm::APFloat Val(C.getFloatTypeSemantics(FloatTy)); 13794b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::FloatingLiteral *Float0Val = 13804b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::FloatingLiteral::Create(C, 13814b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines Val, 13824b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines /* isExact = */true, 13834b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines FloatTy, 13844b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines Loc); 13854b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 13864b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines unsigned N = 0; 1387cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet if (DT == DataTypeRSMatrix2x2) 13884b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines N = 2; 1389cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet else if (DT == DataTypeRSMatrix3x3) 13904b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines N = 3; 1391cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet else if (DT == DataTypeRSMatrix4x4) 13924b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines N = 4; 13931dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines unsigned N_2 = N * N; 13944b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 13951dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines // Assume we are going to be allocating 16 elements, since 4x4 is max. 13961dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines llvm::SmallVector<clang::Expr*, 16> InitVals; 13971dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines for (unsigned i = 0; i < N_2; i++) 13981dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines InitVals.push_back(Float0Val); 13994b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::Expr *InitExpr = 14001dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines new(C) clang::InitListExpr(C, Loc, InitVals, Loc); 14014b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines InitExpr->setType(C.getConstantArrayType(FloatTy, 14021dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines llvm::APInt(32, N_2), 14034b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::ArrayType::Normal, 14044b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines /* EltTypeQuals = */0)); 14051dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines llvm::SmallVector<clang::Expr*, 1> InitExprVec; 14061dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines InitExprVec.push_back(InitExpr); 14074b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14081dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines Res = new(C) clang::InitListExpr(C, Loc, InitExprVec, Loc); 14094b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines break; 14104b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 1411cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnknown: 1412cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeFloat16: 1413cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeFloat32: 1414cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeFloat64: 1415cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeSigned8: 1416cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeSigned16: 1417cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeSigned32: 1418cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeSigned64: 1419cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnsigned8: 1420cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnsigned16: 1421cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnsigned32: 1422cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnsigned64: 1423cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeBoolean: 1424cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnsigned565: 1425cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnsigned5551: 1426cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnsigned4444: 1427cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeMax: { 14286e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert(false && "Not RS object type!"); 14294b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 14304b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // No default case will enable compiler detecting the missing cases 14314b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 14324b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14334b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines return Res; 14344b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines} 14354b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14364b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hinesvoid RSObjectRefCount::VisitDeclStmt(clang::DeclStmt *DS) { 14374b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines for (clang::DeclStmt::decl_iterator I = DS->decl_begin(), E = DS->decl_end(); 14384b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines I != E; 14394b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines I++) { 14404b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::Decl *D = *I; 14414b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines if (D->getKind() == clang::Decl::Var) { 14424b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::VarDecl *VD = static_cast<clang::VarDecl*>(D); 1443cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT = DataTypeUnknown; 1444e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::Expr *InitExpr = NULL; 1445e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines if (InitializeRSObject(VD, &DT, &InitExpr)) { 1446b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines // We need to zero-init all RS object types (including matrices), ... 1447d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines getCurrentScope()->AppendRSObjectInit(VD, DS, DT, InitExpr); 1448b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines // ... but, only add to the list of RS objects if we have some 1449b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines // non-matrix RS object fields. 1450b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines if (CountRSObjectTypes(mCtx, VD->getType().getTypePtr(), 1451b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines VD->getLocation())) { 1452b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines getCurrentScope()->addRSObject(VD); 1453b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines } 1454e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines } 14554b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 14564b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 14574b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines} 14584b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14594b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hinesvoid RSObjectRefCount::VisitCompoundStmt(clang::CompoundStmt *CS) { 14604b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines if (!CS->body_empty()) { 14614b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // Push a new scope 14624b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines Scope *S = new Scope(CS); 14634b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines mScopeStack.push(S); 14644b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14654b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines VisitStmt(CS); 14664b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14674b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // Destroy the scope 14686e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert((getCurrentScope() == S) && "Corrupted scope stack!"); 14691bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines S->InsertLocalVarDestructors(); 14704b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines mScopeStack.pop(); 14714b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines delete S; 14724b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 14734b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines} 14744b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14754b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hinesvoid RSObjectRefCount::VisitBinAssign(clang::BinaryOperator *AS) { 1476c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::QualType QT = AS->getType(); 1477c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 1478d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines if (CountRSObjectTypes(mCtx, QT.getTypePtr(), AS->getExprLoc())) { 1479d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines getCurrentScope()->ReplaceRSObjectAssignment(AS); 1480c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines } 14814b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines} 14824b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14834b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hinesvoid RSObjectRefCount::VisitStmt(clang::Stmt *S) { 14844b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines for (clang::Stmt::child_iterator I = S->child_begin(), E = S->child_end(); 14854b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines I != E; 14864b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines I++) { 14874b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines if (clang::Stmt *Child = *I) { 14884b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines Visit(Child); 14894b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 14904b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 14914b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines} 14924b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 1493688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines// This function walks the list of global variables and (potentially) creates 1494688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines// a single global static destructor function that properly decrements 1495688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines// reference counts on the contained RS object types. 1496688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hinesclang::FunctionDecl *RSObjectRefCount::CreateStaticGlobalDtor() { 1497688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines Init(); 1498688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines 1499688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines clang::DeclContext *DC = mCtx.getTranslationUnitDecl(); 1500688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines clang::SourceLocation loc; 1501688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines 15023f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines llvm::StringRef SR(".rs.dtor"); 15033f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::IdentifierInfo &II = mCtx.Idents.get(SR); 15043f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::DeclarationName N(&II); 15053f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::FunctionProtoType::ExtProtoInfo EPI; 150682d7288620fade361dd8f7408b5db54a55c2c794Stephen Hines clang::QualType T = mCtx.getFunctionType(mCtx.VoidTy, 150782d7288620fade361dd8f7408b5db54a55c2c794Stephen Hines llvm::ArrayRef<clang::QualType>(), EPI); 15083f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::FunctionDecl *FD = NULL; 15093f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines 1510688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines // Generate rsClearObject() call chains for every global variable 1511688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines // (whether static or extern). 1512688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines std::list<clang::Stmt *> StmtList; 1513688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines for (clang::DeclContext::decl_iterator I = DC->decls_begin(), 1514688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines E = DC->decls_end(); I != E; I++) { 1515688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines clang::VarDecl *VD = llvm::dyn_cast<clang::VarDecl>(*I); 1516688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines if (VD) { 1517688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines if (CountRSObjectTypes(mCtx, VD->getType().getTypePtr(), loc)) { 15183f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines if (!FD) { 15193f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines // Only create FD if we are going to use it. 15204b3f3bada7155de983e7d92fa8b20091629b3bb3Stephen Hines FD = clang::FunctionDecl::Create(mCtx, DC, loc, loc, N, T, NULL, 15214b3f3bada7155de983e7d92fa8b20091629b3bb3Stephen Hines clang::SC_None); 15223f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines } 15233f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines // Make sure to create any helpers within the function's DeclContext, 15243f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines // not the one associated with the global translation unit. 15253f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::Stmt *RSClearObjectCall = Scope::ClearRSObject(VD, FD); 1526688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines StmtList.push_back(RSClearObjectCall); 1527688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines } 1528688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines } 1529688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines } 1530688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines 1531688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines // Nothing needs to be destroyed, so don't emit a dtor. 1532688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines if (StmtList.empty()) { 1533688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines return NULL; 1534688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines } 1535688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines 1536688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines clang::CompoundStmt *CS = BuildCompoundStmt(mCtx, StmtList, loc); 1537688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines 1538688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines FD->setBody(CS); 1539688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines 1540688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines return FD; 1541688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines} 1542688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines 1543e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines} // namespace slang 1544