slang_rs_object_ref_count.cpp revision cec9b65aa890dea58e39951900ae13efb8d11703
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 return; 169c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines} 170c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 171a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines// This class visits a compound statement and inserts DtorStmt 172a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines// in proper locations. This includes inserting it before any 1734464d825c11349068f2917f9ebee86b721423f3cStephen Hines// return statement in any sub-block, at the end of the logical enclosing 1744464d825c11349068f2917f9ebee86b721423f3cStephen Hines// scope (compound statement), and/or before any break/continue statement that 1754464d825c11349068f2917f9ebee86b721423f3cStephen Hines// would resume outside the declared scope. We will not handle the case for 1764464d825c11349068f2917f9ebee86b721423f3cStephen Hines// goto statements that leave a local scope. 177292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines// 178292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines// To accomplish these goals, it collects a list of sub-Stmt's that 179292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines// correspond to scope exit points. It then uses an RSASTReplace visitor to 180292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines// transform the AST, inserting appropriate destructors before each of those 181292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines// sub-Stmt's (and also before the exit of the outermost containing Stmt for 182292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines// the scope). 1834464d825c11349068f2917f9ebee86b721423f3cStephen Hinesclass DestructorVisitor : public clang::StmtVisitor<DestructorVisitor> { 1844464d825c11349068f2917f9ebee86b721423f3cStephen Hines private: 185d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines clang::ASTContext &mCtx; 186292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 187292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // The loop depth of the currently visited node. 188292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines int mLoopDepth; 189292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 190292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // The switch statement depth of the currently visited node. 191292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // Note that this is tracked separately from the loop depth because 192292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // SwitchStmt-contained ContinueStmt's should have destructors for the 193292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // corresponding loop scope. 194292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines int mSwitchDepth; 195292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 196292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // The outermost statement block that we are currently visiting. 197292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // This should always be a CompoundStmt. 198292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines clang::Stmt *mOuterStmt; 199292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 200a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // The destructor to execute for this scope/variable. 201a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::Stmt* mDtorStmt; 202292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 203292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // The stack of statements which should be replaced by a compound statement 204a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // containing the new destructor call followed by the original Stmt. 205292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines std::stack<clang::Stmt*> mReplaceStmtStack; 206292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 207a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // The source location for the variable declaration that we are trying to 208a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // insert destructors for. Note that InsertDestructors() will not generate 209a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // destructor calls for source locations that occur lexically before this 210a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // location. 211a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::SourceLocation mVarLoc; 212a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines 2134464d825c11349068f2917f9ebee86b721423f3cStephen Hines public: 214292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines DestructorVisitor(clang::ASTContext &C, 215292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines clang::Stmt* OuterStmt, 216a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::Stmt* DtorStmt, 217a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::SourceLocation VarLoc); 218292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 219292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // This code walks the collected list of Stmts to replace and actually does 220a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // the replacement. It also finishes up by appending the destructor to the 221a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // current outermost CompoundStmt. 222292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void InsertDestructors() { 223292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines clang::Stmt *S = NULL; 224a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::SourceManager &SM = mCtx.getSourceManager(); 225a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines std::list<clang::Stmt *> StmtList; 226a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines StmtList.push_back(mDtorStmt); 227a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines 228292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines while (!mReplaceStmtStack.empty()) { 229292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines S = mReplaceStmtStack.top(); 230292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mReplaceStmtStack.pop(); 231292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 232a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // Skip all source locations that occur before the variable's 233a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines // declaration, since it won't have been initialized yet. 234a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines if (SM.isBeforeInTranslationUnit(S->getLocStart(), mVarLoc)) { 235a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines continue; 236a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines } 237a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines 238a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines StmtList.push_back(S); 239292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines clang::CompoundStmt *CS = 240a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines BuildCompoundStmt(mCtx, StmtList, S->getLocEnd()); 241a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines StmtList.pop_back(); 242292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 243d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines RSASTReplace R(mCtx); 244292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines R.ReplaceStmt(mOuterStmt, S, CS); 245292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines } 246ab992e59a36a18df49bf4878968ef0598299afd3Logan Chien clang::CompoundStmt *CS = 247ab992e59a36a18df49bf4878968ef0598299afd3Logan Chien llvm::dyn_cast<clang::CompoundStmt>(mOuterStmt); 248292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines slangAssert(CS); 249a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines AppendAfterStmt(mCtx, CS, NULL, StmtList); 250292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines } 251292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 2524464d825c11349068f2917f9ebee86b721423f3cStephen Hines void VisitStmt(clang::Stmt *S); 2534464d825c11349068f2917f9ebee86b721423f3cStephen Hines void VisitCompoundStmt(clang::CompoundStmt *CS); 254292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 255292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitBreakStmt(clang::BreakStmt *BS); 256292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitCaseStmt(clang::CaseStmt *CS); 257292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitContinueStmt(clang::ContinueStmt *CS); 258292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitDefaultStmt(clang::DefaultStmt *DS); 259292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitDoStmt(clang::DoStmt *DS); 260292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitForStmt(clang::ForStmt *FS); 261292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitIfStmt(clang::IfStmt *IS); 262292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitReturnStmt(clang::ReturnStmt *RS); 263292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitSwitchCase(clang::SwitchCase *SC); 264292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitSwitchStmt(clang::SwitchStmt *SS); 265292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines void VisitWhileStmt(clang::WhileStmt *WS); 2664464d825c11349068f2917f9ebee86b721423f3cStephen Hines}; 2674464d825c11349068f2917f9ebee86b721423f3cStephen Hines 2684464d825c11349068f2917f9ebee86b721423f3cStephen HinesDestructorVisitor::DestructorVisitor(clang::ASTContext &C, 269292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines clang::Stmt *OuterStmt, 270a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::Stmt *DtorStmt, 271a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::SourceLocation VarLoc) 272d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines : mCtx(C), 273292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mLoopDepth(0), 274292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mSwitchDepth(0), 275292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mOuterStmt(OuterStmt), 276a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines mDtorStmt(DtorStmt), 277a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines mVarLoc(VarLoc) { 2784464d825c11349068f2917f9ebee86b721423f3cStephen Hines return; 2794464d825c11349068f2917f9ebee86b721423f3cStephen Hines} 2804464d825c11349068f2917f9ebee86b721423f3cStephen Hines 2814464d825c11349068f2917f9ebee86b721423f3cStephen Hinesvoid DestructorVisitor::VisitStmt(clang::Stmt *S) { 2824464d825c11349068f2917f9ebee86b721423f3cStephen Hines for (clang::Stmt::child_iterator I = S->child_begin(), E = S->child_end(); 2834464d825c11349068f2917f9ebee86b721423f3cStephen Hines I != E; 2844464d825c11349068f2917f9ebee86b721423f3cStephen Hines I++) { 2854464d825c11349068f2917f9ebee86b721423f3cStephen Hines if (clang::Stmt *Child = *I) { 2864464d825c11349068f2917f9ebee86b721423f3cStephen Hines Visit(Child); 2874464d825c11349068f2917f9ebee86b721423f3cStephen Hines } 2884464d825c11349068f2917f9ebee86b721423f3cStephen Hines } 2894464d825c11349068f2917f9ebee86b721423f3cStephen Hines return; 2904464d825c11349068f2917f9ebee86b721423f3cStephen Hines} 2914464d825c11349068f2917f9ebee86b721423f3cStephen Hines 292292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitCompoundStmt(clang::CompoundStmt *CS) { 293292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(CS); 294292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines return; 295292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 296292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 297292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitBreakStmt(clang::BreakStmt *BS) { 298292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(BS); 299292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines if ((mLoopDepth == 0) && (mSwitchDepth == 0)) { 300292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mReplaceStmtStack.push(BS); 301292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines } 302292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines return; 303292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 304292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 305292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitCaseStmt(clang::CaseStmt *CS) { 306292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(CS); 307292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines return; 308292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 309292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 310292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitContinueStmt(clang::ContinueStmt *CS) { 311292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(CS); 312292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines if (mLoopDepth == 0) { 313292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines // Switch statements can have nested continues. 314292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mReplaceStmtStack.push(CS); 315292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines } 316292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines return; 317292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 318292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 319292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitDefaultStmt(clang::DefaultStmt *DS) { 320292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(DS); 321292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines return; 322292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 323292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 324292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitDoStmt(clang::DoStmt *DS) { 325292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mLoopDepth++; 326292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(DS); 327292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mLoopDepth--; 328292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines return; 329292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 330292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 331292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitForStmt(clang::ForStmt *FS) { 332292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mLoopDepth++; 333292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(FS); 334292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mLoopDepth--; 335292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines return; 336292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 337292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 338292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitIfStmt(clang::IfStmt *IS) { 339292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(IS); 340292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines return; 341292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 342292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 343292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitReturnStmt(clang::ReturnStmt *RS) { 344292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mReplaceStmtStack.push(RS); 345292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines return; 346292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 347292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 348292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitSwitchCase(clang::SwitchCase *SC) { 349292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines slangAssert(false && "Both case and default have specialized handlers"); 350292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(SC); 351292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines return; 352292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 353292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 354292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitSwitchStmt(clang::SwitchStmt *SS) { 355292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mSwitchDepth++; 356292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(SS); 357292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mSwitchDepth--; 358292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines return; 359292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 360292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 361292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hinesvoid DestructorVisitor::VisitWhileStmt(clang::WhileStmt *WS) { 362292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mLoopDepth++; 363292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines VisitStmt(WS); 364292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines mLoopDepth--; 365292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines return; 366292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines} 367292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines 368f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hinesclang::Expr *ClearSingleRSObject(clang::ASTContext &C, 369f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RefRSVar, 370f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::SourceLocation Loc) { 371f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(RefRSVar); 372f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines const clang::Type *T = RefRSVar->getType().getTypePtr(); 373f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(!T->isArrayType() && 374f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines "Should not be destroying arrays with this function"); 375f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 376f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::FunctionDecl *ClearObjectFD = RSObjectRefCount::GetRSClearObjectFD(T); 377f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert((ClearObjectFD != NULL) && 378f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines "rsClearObject doesn't cover all RS object types"); 379f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 380f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::QualType ClearObjectFDType = ClearObjectFD->getType(); 381f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::QualType ClearObjectFDArgType = 382f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines ClearObjectFD->getParamDecl(0)->getOriginalType(); 383f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 384f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // Example destructor for "rs_font localFont;" 385f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // 386f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // (CallExpr 'void' 387f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // (ImplicitCastExpr 'void (*)(rs_font *)' <FunctionToPointerDecay> 388f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // (DeclRefExpr 'void (rs_font *)' FunctionDecl='rsClearObject')) 389f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // (UnaryOperator 'rs_font *' prefix '&' 390f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // (DeclRefExpr 'rs_font':'rs_font' Var='localFont'))) 391f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 392f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // Get address of targeted RS object 393f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *AddrRefRSVar = 394f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines new(C) clang::UnaryOperator(RefRSVar, 395f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::UO_AddrOf, 396f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines ClearObjectFDArgType, 397be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 398be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 399f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines Loc); 400f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 401f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RefRSClearObjectFD = 402f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclRefExpr::Create(C, 403be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 4040444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 405f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines ClearObjectFD, 406e2597ac5a8ba7a45a1d5f342973cd43a3a1932cfShih-wei Liao false, 407f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines ClearObjectFD->getLocation(), 408be27482cdeaf08576bc39b72a15d35d13014a636Logan ClearObjectFDType, 409be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 410be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 411f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 412f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RSClearObjectFP = 413f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::ImplicitCastExpr::Create(C, 414f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines C.getPointerType(ClearObjectFDType), 415f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::CK_FunctionToPointerDecay, 416f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RefRSClearObjectFD, 417f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines NULL, 418f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::VK_RValue); 41903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 4201dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines llvm::SmallVector<clang::Expr*, 1> ArgList; 4211dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines ArgList.push_back(AddrRefRSVar); 4221dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines 423f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::CallExpr *RSClearObjectCall = 424f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines new(C) clang::CallExpr(C, 425f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSClearObjectFP, 4261dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines ArgList, 427f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines ClearObjectFD->getCallResultType(), 428be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 429f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines Loc); 430f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 431f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines return RSClearObjectCall; 432f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines} 433f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 434f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hinesstatic int ArrayDim(const clang::Type *T) { 43503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines if (!T || !T->isArrayType()) { 43603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines return 0; 43703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines } 43803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 43903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines const clang::ConstantArrayType *CAT = 44003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines static_cast<const clang::ConstantArrayType *>(T); 4419d2c0fa6490e09b3ff5603796bce42d97788e5c8Stephen Hines return static_cast<int>(CAT->getSize().getSExtValue()); 44203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines} 44303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 444f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hinesstatic clang::Stmt *ClearStructRSObject( 445f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::ASTContext &C, 446f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclContext *DC, 447f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RefRSStruct, 448d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines clang::SourceLocation StartLoc, 449f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::SourceLocation Loc); 450f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 451f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hinesstatic clang::Stmt *ClearArrayRSObject( 452f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::ASTContext &C, 453f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclContext *DC, 454f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RefRSArr, 455cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc, 456f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::SourceLocation Loc) { 457f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines const clang::Type *BaseType = RefRSArr->getType().getTypePtr(); 458f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(BaseType->isArrayType()); 459f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 460f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines int NumArrayElements = ArrayDim(BaseType); 461f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // Actually extract out the base RS object type for use later 462f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines BaseType = BaseType->getArrayElementTypeNoTypeQual(); 46303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 46403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::Stmt *StmtArray[2] = {NULL}; 46503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines int StmtCtr = 0; 46603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 46703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines if (NumArrayElements <= 0) { 46803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines return NULL; 46903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines } 47003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 47103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Example destructor loop for "rs_font fontArr[10];" 47203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // 47303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (CompoundStmt 47403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (DeclStmt "int rsIntIter") 47503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (ForStmt 47603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (BinaryOperator 'int' '=' 47703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (DeclRefExpr 'int' Var='rsIntIter') 47803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (IntegerLiteral 'int' 0)) 47903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (BinaryOperator 'int' '<' 48003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (DeclRefExpr 'int' Var='rsIntIter') 48103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (IntegerLiteral 'int' 10) 48203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // NULL << CondVar >> 48303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (UnaryOperator 'int' postfix '++' 48403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (DeclRefExpr 'int' Var='rsIntIter')) 48503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (CallExpr 'void' 48603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (ImplicitCastExpr 'void (*)(rs_font *)' <FunctionToPointerDecay> 48703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (DeclRefExpr 'void (rs_font *)' FunctionDecl='rsClearObject')) 48803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (UnaryOperator 'rs_font *' prefix '&' 48903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (ArraySubscriptExpr 'rs_font':'rs_font' 49003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (ImplicitCastExpr 'rs_font *' <ArrayToPointerDecay> 49103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (DeclRefExpr 'rs_font [10]' Var='fontArr')) 49203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // (DeclRefExpr 'int' Var='rsIntIter'))))))) 49303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 49403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Create helper variable for iterating through elements 49503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::IdentifierInfo& II = C.Idents.get("rsIntIter"); 49603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::VarDecl *IIVD = 49703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::VarDecl::Create(C, 498f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines DC, 499cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, 50003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Loc, 50103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines &II, 50203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines C.IntTy, 50303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines C.getTrivialTypeSourceInfo(C.IntTy), 50403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::SC_None); 50503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::Decl *IID = (clang::Decl *)IIVD; 50603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 50703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::DeclGroupRef DGR = clang::DeclGroupRef::Create(C, &IID, 1); 50803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines StmtArray[StmtCtr++] = new(C) clang::DeclStmt(DGR, Loc, Loc); 50903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 51003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Form the actual destructor loop 51103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // for (Init; Cond; Inc) 51203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // RSClearObjectCall; 51303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 51403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Init -> "rsIntIter = 0" 51503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::DeclRefExpr *RefrsIntIter = 51603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::DeclRefExpr::Create(C, 517be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 5180444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 51903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines IIVD, 520e2597ac5a8ba7a45a1d5f342973cd43a3a1932cfShih-wei Liao false, 52103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Loc, 522be27482cdeaf08576bc39b72a15d35d13014a636Logan C.IntTy, 523be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 524be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 52503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 52603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::Expr *Int0 = clang::IntegerLiteral::Create(C, 52703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines llvm::APInt(C.getTypeSize(C.IntTy), 0), C.IntTy, Loc); 52803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 52903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::BinaryOperator *Init = 53003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines new(C) clang::BinaryOperator(RefrsIntIter, 53103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Int0, 53203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::BO_Assign, 53303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines C.IntTy, 534be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 535be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 53623c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines Loc, 53723c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines false); 53803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 53903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Cond -> "rsIntIter < NumArrayElements" 54003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::Expr *NumArrayElementsExpr = clang::IntegerLiteral::Create(C, 54103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines llvm::APInt(C.getTypeSize(C.IntTy), NumArrayElements), C.IntTy, Loc); 54203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 54303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::BinaryOperator *Cond = 54403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines new(C) clang::BinaryOperator(RefrsIntIter, 54503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines NumArrayElementsExpr, 54603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::BO_LT, 54703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines C.IntTy, 548be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 549be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 55023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines Loc, 55123c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines false); 55203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 55303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Inc -> "rsIntIter++" 55403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::UnaryOperator *Inc = 55503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines new(C) clang::UnaryOperator(RefrsIntIter, 55603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::UO_PostInc, 55703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines C.IntTy, 558be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 559be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 56003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Loc); 56103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 56203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Body -> "rsClearObject(&VD[rsIntIter]);" 56303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines // Destructor loop operates on individual array elements 56403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 565f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RefRSArrPtr = 56603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::ImplicitCastExpr::Create(C, 567f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines C.getPointerType(BaseType->getCanonicalTypeInternal()), 56803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::CK_ArrayToPointerDecay, 569f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RefRSArr, 57003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines NULL, 57103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::VK_RValue); 57203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 573f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RefRSArrPtrSubscript = 574f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines new(C) clang::ArraySubscriptExpr(RefRSArrPtr, 57503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines RefrsIntIter, 576f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines BaseType->getCanonicalTypeInternal(), 577be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 578be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 579f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines Loc); 58003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 581cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT = RSExportPrimitiveType::GetRSSpecificType(BaseType); 582f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 583f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Stmt *RSClearObjectCall = NULL; 584f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (BaseType->isArrayType()) { 585f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSClearObjectCall = 586cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao ClearArrayRSObject(C, DC, RefRSArrPtrSubscript, StartLoc, Loc); 587cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet } else if (DT == DataTypeUnknown) { 588f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSClearObjectCall = 589cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao ClearStructRSObject(C, DC, RefRSArrPtrSubscript, StartLoc, Loc); 590f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } else { 591f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSClearObjectCall = ClearSingleRSObject(C, RefRSArrPtrSubscript, Loc); 592f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 59303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 59403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines clang::ForStmt *DestructorLoop = 59503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines new(C) clang::ForStmt(C, 59603981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Init, 59703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Cond, 59803981a308201b9123512297c8b9562a0f29bdf31Stephen Hines NULL, // no condVar 59903981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Inc, 60003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines RSClearObjectCall, 60103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Loc, 60203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Loc, 60303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines Loc); 60403981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 60503981a308201b9123512297c8b9562a0f29bdf31Stephen Hines StmtArray[StmtCtr++] = DestructorLoop; 6066e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert(StmtCtr == 2); 60703981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 60823c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines clang::CompoundStmt *CS = new(C) clang::CompoundStmt( 60923c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines C, llvm::makeArrayRef(StmtArray, StmtCtr), Loc, Loc); 61003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 61103981a308201b9123512297c8b9562a0f29bdf31Stephen Hines return CS; 61203981a308201b9123512297c8b9562a0f29bdf31Stephen Hines} 61303981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 614d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hinesstatic unsigned CountRSObjectTypes(clang::ASTContext &C, 615d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines const clang::Type *T, 616d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines clang::SourceLocation Loc) { 617f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(T); 618f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines unsigned RSObjectCount = 0; 619f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 620f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (T->isArrayType()) { 621d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines return CountRSObjectTypes(C, T->getArrayElementTypeNoTypeQual(), Loc); 622f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 623f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 624cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT = RSExportPrimitiveType::GetRSSpecificType(T); 625cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet if (DT != DataTypeUnknown) { 626f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines return (RSExportPrimitiveType::IsRSObjectType(DT) ? 1 : 0); 627f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 628f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 629d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines if (T->isUnionType()) { 630d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines clang::RecordDecl *RD = T->getAsUnionType()->getDecl(); 631d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines RD = RD->getDefinition(); 632d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines for (clang::RecordDecl::field_iterator FI = RD->field_begin(), 633d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines FE = RD->field_end(); 634d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines FI != FE; 635d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines FI++) { 636d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines const clang::FieldDecl *FD = *FI; 637d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines const clang::Type *FT = RSExportType::GetTypeOfDecl(FD); 638d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines if (CountRSObjectTypes(C, FT, Loc)) { 63978e69cb06b9b0683b2ac9dcafde87b867690ef2fStephen Hines slangAssert(false && "can't have unions with RS object types!"); 640d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines return 0; 641d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines } 642d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines } 643d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines } 644d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines 645f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (!T->isStructureType()) { 646f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines return 0; 647f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 648f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 649f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::RecordDecl *RD = T->getAsStructureType()->getDecl(); 650f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RD = RD->getDefinition(); 651f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines for (clang::RecordDecl::field_iterator FI = RD->field_begin(), 652f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FE = RD->field_end(); 653f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FI != FE; 654f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FI++) { 655f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines const clang::FieldDecl *FD = *FI; 656f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines const clang::Type *FT = RSExportType::GetTypeOfDecl(FD); 657d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines if (CountRSObjectTypes(C, FT, Loc)) { 658f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // Sub-structs should only count once (as should arrays, etc.) 659f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSObjectCount++; 660f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 661f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 662f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 663f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines return RSObjectCount; 664f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines} 665f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 666f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hinesstatic clang::Stmt *ClearStructRSObject( 667f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::ASTContext &C, 668f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclContext *DC, 669f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Expr *RefRSStruct, 670cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc, 671f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::SourceLocation Loc) { 672f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines const clang::Type *BaseType = RefRSStruct->getType().getTypePtr(); 673f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 674f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(!BaseType->isArrayType()); 675f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 676f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // Structs should show up as unknown primitive types 6779be9360d8e02b52ed669afbd69f9becb575c3f0dAlex Sakhartchouk slangAssert(RSExportPrimitiveType::GetRSSpecificType(BaseType) == 678cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataTypeUnknown); 679f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 680d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines unsigned FieldsToDestroy = CountRSObjectTypes(C, BaseType, Loc); 681b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines slangAssert(FieldsToDestroy != 0); 682f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 683f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines unsigned StmtCount = 0; 684f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::Stmt **StmtArray = new clang::Stmt*[FieldsToDestroy]; 6852bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines for (unsigned i = 0; i < FieldsToDestroy; i++) { 6862bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines StmtArray[i] = NULL; 6872bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 688f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 689f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // Populate StmtArray by creating a destructor for each RS object field 690f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::RecordDecl *RD = BaseType->getAsStructureType()->getDecl(); 691f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RD = RD->getDefinition(); 692f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines for (clang::RecordDecl::field_iterator FI = RD->field_begin(), 693f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FE = RD->field_end(); 694f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FI != FE; 695f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FI++) { 696f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // We just look through all field declarations to see if we find a 697f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // declaration for an RS object type (or an array of one). 698f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines bool IsArrayType = false; 699f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::FieldDecl *FD = *FI; 700f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines const clang::Type *FT = RSExportType::GetTypeOfDecl(FD); 701f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines const clang::Type *OrigType = FT; 702f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines while (FT && FT->isArrayType()) { 703f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FT = FT->getArrayElementTypeNoTypeQual(); 704f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines IsArrayType = true; 705f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 706f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 707f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (RSExportPrimitiveType::IsRSObjectType(FT)) { 708f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclAccessPair FoundDecl = 709f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclAccessPair::make(FD, clang::AS_none); 710f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::MemberExpr *RSObjectMember = 711f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::MemberExpr::Create(C, 712f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RefRSStruct, 713f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines false, 714be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 7150444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 716f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FD, 717f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FoundDecl, 718f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclarationNameInfo(), 719f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines NULL, 720be27482cdeaf08576bc39b72a15d35d13014a636Logan OrigType->getCanonicalTypeInternal(), 721be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 722be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary); 723f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 724f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(StmtCount < FieldsToDestroy); 725f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 726f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (IsArrayType) { 727f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines StmtArray[StmtCount++] = ClearArrayRSObject(C, 728f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines DC, 729f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSObjectMember, 730cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, 731f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines Loc); 732f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } else { 733f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines StmtArray[StmtCount++] = ClearSingleRSObject(C, 734f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSObjectMember, 735f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines Loc); 736f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 737d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines } else if (FT->isStructureType() && CountRSObjectTypes(C, FT, Loc)) { 738f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // In this case, we have a nested struct. We may not end up filling all 739f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // of the spaces in StmtArray (sub-structs should handle themselves 740f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines // with separate compound statements). 741f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclAccessPair FoundDecl = 742f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclAccessPair::make(FD, clang::AS_none); 743f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::MemberExpr *RSObjectMember = 744f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::MemberExpr::Create(C, 745f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RefRSStruct, 746f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines false, 747be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 7480444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 749f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FD, 750f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines FoundDecl, 751f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::DeclarationNameInfo(), 752f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines NULL, 753be27482cdeaf08576bc39b72a15d35d13014a636Logan OrigType->getCanonicalTypeInternal(), 754be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 755be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary); 756f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 757f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (IsArrayType) { 758f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines StmtArray[StmtCount++] = ClearArrayRSObject(C, 759f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines DC, 760f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSObjectMember, 761cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, 762f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines Loc); 763f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } else { 764f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines StmtArray[StmtCount++] = ClearStructRSObject(C, 765f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines DC, 766f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines RSObjectMember, 767cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, 768f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines Loc); 769f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 770f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 771f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 772f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 773f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(StmtCount > 0); 77423c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines clang::CompoundStmt *CS = new(C) clang::CompoundStmt( 77523c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines C, llvm::makeArrayRef(StmtArray, StmtCount), Loc, Loc); 776f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 777f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines delete [] StmtArray; 778f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 779f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines return CS; 780f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines} 781f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 7822bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hinesstatic clang::Stmt *CreateSingleRSSetObject(clang::ASTContext &C, 7832bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *DstExpr, 7842bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *SrcExpr, 785cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc, 7862bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::SourceLocation Loc) { 7872bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines const clang::Type *T = DstExpr->getType().getTypePtr(); 7882bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::FunctionDecl *SetObjectFD = RSObjectRefCount::GetRSSetObjectFD(T); 7896e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert((SetObjectFD != NULL) && 7906e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines "rsSetObject doesn't cover all RS object types"); 791c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 792c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::QualType SetObjectFDType = SetObjectFD->getType(); 793c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::QualType SetObjectFDArgType[2]; 794c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines SetObjectFDArgType[0] = SetObjectFD->getParamDecl(0)->getOriginalType(); 795c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines SetObjectFDArgType[1] = SetObjectFD->getParamDecl(1)->getOriginalType(); 796c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 797c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::Expr *RefRSSetObjectFD = 798c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::DeclRefExpr::Create(C, 799be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 8000444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 801c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines SetObjectFD, 802e2597ac5a8ba7a45a1d5f342973cd43a3a1932cfShih-wei Liao false, 803c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines Loc, 804be27482cdeaf08576bc39b72a15d35d13014a636Logan SetObjectFDType, 805be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 806be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 807c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 808c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::Expr *RSSetObjectFP = 809c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::ImplicitCastExpr::Create(C, 810c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines C.getPointerType(SetObjectFDType), 811c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::CK_FunctionToPointerDecay, 812c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines RefRSSetObjectFD, 813c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines NULL, 814c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::VK_RValue); 815c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 8161dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines llvm::SmallVector<clang::Expr*, 2> ArgList; 8171dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines ArgList.push_back(new(C) clang::UnaryOperator(DstExpr, 8181dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines clang::UO_AddrOf, 8191dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines SetObjectFDArgType[0], 8201dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines clang::VK_RValue, 8211dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines clang::OK_Ordinary, 8221dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines Loc)); 8231dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines ArgList.push_back(SrcExpr); 824c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 825c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::CallExpr *RSSetObjectCall = 826c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines new(C) clang::CallExpr(C, 827c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines RSSetObjectFP, 828c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines ArgList, 829c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines SetObjectFD->getCallResultType(), 830be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 831c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines Loc); 832c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 8332bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines return RSSetObjectCall; 8342bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines} 8352bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8362bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hinesstatic clang::Stmt *CreateStructRSSetObject(clang::ASTContext &C, 8372bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *LHS, 8382bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *RHS, 839cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc, 8402bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::SourceLocation Loc); 8412bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 842246fa17206bf78c59a64b2f7d98a6716d5345b81Al Sutton/*static clang::Stmt *CreateArrayRSSetObject(clang::ASTContext &C, 8432bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *DstArr, 8442bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *SrcArr, 845cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc, 8462bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::SourceLocation Loc) { 8472bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclContext *DC = NULL; 8482bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines const clang::Type *BaseType = DstArr->getType().getTypePtr(); 8492bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines slangAssert(BaseType->isArrayType()); 8502bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8512bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines int NumArrayElements = ArrayDim(BaseType); 8522bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Actually extract out the base RS object type for use later 8532bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines BaseType = BaseType->getArrayElementTypeNoTypeQual(); 8542bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8552bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Stmt *StmtArray[2] = {NULL}; 8562bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines int StmtCtr = 0; 8572bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8582bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines if (NumArrayElements <= 0) { 8592bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines return NULL; 8602bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 8612bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8622bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Create helper variable for iterating through elements 8632bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::IdentifierInfo& II = C.Idents.get("rsIntIter"); 8642bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::VarDecl *IIVD = 8652bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::VarDecl::Create(C, 8662bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines DC, 867cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, 8682bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc, 8692bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines &II, 8702bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines C.IntTy, 8712bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines C.getTrivialTypeSourceInfo(C.IntTy), 8722bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::SC_None, 8732bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::SC_None); 8742bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Decl *IID = (clang::Decl *)IIVD; 8752bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8762bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclGroupRef DGR = clang::DeclGroupRef::Create(C, &IID, 1); 8772bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines StmtArray[StmtCtr++] = new(C) clang::DeclStmt(DGR, Loc, Loc); 8782bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8792bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Form the actual loop 8802bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // for (Init; Cond; Inc) 8812bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // RSSetObjectCall; 8822bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8832bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Init -> "rsIntIter = 0" 8842bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclRefExpr *RefrsIntIter = 8852bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclRefExpr::Create(C, 886be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 8872bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines IIVD, 8882bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc, 889be27482cdeaf08576bc39b72a15d35d13014a636Logan C.IntTy, 890be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 891be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 8922bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8932bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *Int0 = clang::IntegerLiteral::Create(C, 8942bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines llvm::APInt(C.getTypeSize(C.IntTy), 0), C.IntTy, Loc); 8952bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 8962bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::BinaryOperator *Init = 8972bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines new(C) clang::BinaryOperator(RefrsIntIter, 8982bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Int0, 8992bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::BO_Assign, 9002bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines C.IntTy, 901be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 902be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 9032bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc); 9042bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9052bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Cond -> "rsIntIter < NumArrayElements" 9062bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *NumArrayElementsExpr = clang::IntegerLiteral::Create(C, 9072bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines llvm::APInt(C.getTypeSize(C.IntTy), NumArrayElements), C.IntTy, Loc); 9082bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9092bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::BinaryOperator *Cond = 9102bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines new(C) clang::BinaryOperator(RefrsIntIter, 9112bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines NumArrayElementsExpr, 9122bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::BO_LT, 9132bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines C.IntTy, 914be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 915be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 9162bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc); 9172bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9182bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Inc -> "rsIntIter++" 9192bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::UnaryOperator *Inc = 9202bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines new(C) clang::UnaryOperator(RefrsIntIter, 9212bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::UO_PostInc, 9222bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines C.IntTy, 923be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 924be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 9252bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc); 9262bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9272bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Body -> "rsSetObject(&Dst[rsIntIter], Src[rsIntIter]);" 9282bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Loop operates on individual array elements 9292bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9302bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *DstArrPtr = 9312bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::ImplicitCastExpr::Create(C, 9322bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines C.getPointerType(BaseType->getCanonicalTypeInternal()), 9332bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::CK_ArrayToPointerDecay, 9342bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines DstArr, 9352bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines NULL, 9362bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::VK_RValue); 9372bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9382bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *DstArrPtrSubscript = 9392bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines new(C) clang::ArraySubscriptExpr(DstArrPtr, 9402bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines RefrsIntIter, 9412bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines BaseType->getCanonicalTypeInternal(), 942be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 943be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 9442bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc); 9452bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9462bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *SrcArrPtr = 9472bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::ImplicitCastExpr::Create(C, 9482bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines C.getPointerType(BaseType->getCanonicalTypeInternal()), 9492bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::CK_ArrayToPointerDecay, 9502bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines SrcArr, 9512bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines NULL, 9522bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::VK_RValue); 9532bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9542bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *SrcArrPtrSubscript = 9552bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines new(C) clang::ArraySubscriptExpr(SrcArrPtr, 9562bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines RefrsIntIter, 9572bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines BaseType->getCanonicalTypeInternal(), 958be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 959be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary, 9602bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc); 9612bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 962cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT = RSExportPrimitiveType::GetRSSpecificType(BaseType); 9632bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9642bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Stmt *RSSetObjectCall = NULL; 9652bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines if (BaseType->isArrayType()) { 966d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines RSSetObjectCall = CreateArrayRSSetObject(C, DstArrPtrSubscript, 967cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao SrcArrPtrSubscript, 968cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, Loc); 969cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet } else if (DT == DataTypeUnknown) { 970d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines RSSetObjectCall = CreateStructRSSetObject(C, DstArrPtrSubscript, 971cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao SrcArrPtrSubscript, 972cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, Loc); 9732bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } else { 974d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines RSSetObjectCall = CreateSingleRSSetObject(C, DstArrPtrSubscript, 975cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao SrcArrPtrSubscript, 976cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao StartLoc, Loc); 9772bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 9782bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9792bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::ForStmt *DestructorLoop = 9802bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines new(C) clang::ForStmt(C, 9812bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Init, 9822bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Cond, 9832bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines NULL, // no condVar 9842bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Inc, 9852bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines RSSetObjectCall, 9862bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc, 9872bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc, 9882bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines Loc); 9892bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9902bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines StmtArray[StmtCtr++] = DestructorLoop; 9912bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines slangAssert(StmtCtr == 2); 9922bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9932bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::CompoundStmt *CS = 9942bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines new(C) clang::CompoundStmt(C, StmtArray, StmtCtr, Loc, Loc); 9952bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9962bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines return CS; 997246fa17206bf78c59a64b2f7d98a6716d5345b81Al Sutton} */ 9982bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 9992bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hinesstatic clang::Stmt *CreateStructRSSetObject(clang::ASTContext &C, 10002bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *LHS, 10012bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Expr *RHS, 1002cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc, 10032bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::SourceLocation Loc) { 10042bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::QualType QT = LHS->getType(); 10052bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines const clang::Type *T = QT.getTypePtr(); 10062bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines slangAssert(T->isStructureType()); 10072bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines slangAssert(!RSExportPrimitiveType::IsRSObjectType(T)); 10082bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10092bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Keep an extra slot for the original copy (memcpy) 1010d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines unsigned FieldsToSet = CountRSObjectTypes(C, T, Loc) + 1; 10112bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10122bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines unsigned StmtCount = 0; 10132bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Stmt **StmtArray = new clang::Stmt*[FieldsToSet]; 10142bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines for (unsigned i = 0; i < FieldsToSet; i++) { 10152bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines StmtArray[i] = NULL; 10162bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 10172bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10182bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::RecordDecl *RD = T->getAsStructureType()->getDecl(); 10192bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines RD = RD->getDefinition(); 10202bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines for (clang::RecordDecl::field_iterator FI = RD->field_begin(), 10212bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FE = RD->field_end(); 10222bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FI != FE; 10232bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FI++) { 10242bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines bool IsArrayType = false; 10252bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::FieldDecl *FD = *FI; 10262bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines const clang::Type *FT = RSExportType::GetTypeOfDecl(FD); 10272bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines const clang::Type *OrigType = FT; 10282bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 1029d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines if (!CountRSObjectTypes(C, FT, Loc)) { 10302bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // Skip to next if we don't have any viable RS object types 10312bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines continue; 10322bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 10332bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10342bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclAccessPair FoundDecl = 10352bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclAccessPair::make(FD, clang::AS_none); 10362bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::MemberExpr *DstMember = 10372bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::MemberExpr::Create(C, 10382bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines LHS, 10392bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines false, 1040be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 10410444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 10422bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FD, 10432bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FoundDecl, 10442bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclarationNameInfo(), 10452bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines NULL, 1046be27482cdeaf08576bc39b72a15d35d13014a636Logan OrigType->getCanonicalTypeInternal(), 1047be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 1048be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary); 10492bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10502bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::MemberExpr *SrcMember = 10512bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::MemberExpr::Create(C, 10522bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines RHS, 10532bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines false, 1054be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 10550444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 10562bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FD, 10572bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FoundDecl, 10582bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::DeclarationNameInfo(), 10592bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines NULL, 1060be27482cdeaf08576bc39b72a15d35d13014a636Logan OrigType->getCanonicalTypeInternal(), 1061be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 1062be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::OK_Ordinary); 10632bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10642bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines if (FT->isArrayType()) { 10652bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines FT = FT->getArrayElementTypeNoTypeQual(); 10662bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines IsArrayType = true; 10672bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 10682bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 1069cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT = RSExportPrimitiveType::GetRSSpecificType(FT); 10702bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10712bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines if (IsArrayType) { 10729207a2e495c8363606861e4f034504ec5c153dabLogan Chien clang::DiagnosticsEngine &DiagEngine = C.getDiagnostics(); 10739207a2e495c8363606861e4f034504ec5c153dabLogan Chien DiagEngine.Report( 10749207a2e495c8363606861e4f034504ec5c153dabLogan Chien clang::FullSourceLoc(Loc, C.getSourceManager()), 10759207a2e495c8363606861e4f034504ec5c153dabLogan Chien DiagEngine.getCustomDiagID( 10769207a2e495c8363606861e4f034504ec5c153dabLogan Chien clang::DiagnosticsEngine::Error, 10779207a2e495c8363606861e4f034504ec5c153dabLogan Chien "Arrays of RS object types within structures cannot be copied")); 10782bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // TODO(srhines): Support setting arrays of RS objects 10792bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // StmtArray[StmtCount++] = 1080d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines // CreateArrayRSSetObject(C, DstMember, SrcMember, StartLoc, Loc); 1081cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet } else if (DT == DataTypeUnknown) { 10822bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines StmtArray[StmtCount++] = 1083d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines CreateStructRSSetObject(C, DstMember, SrcMember, StartLoc, Loc); 10842bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } else if (RSExportPrimitiveType::IsRSObjectType(DT)) { 10852bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines StmtArray[StmtCount++] = 1086d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines CreateSingleRSSetObject(C, DstMember, SrcMember, StartLoc, Loc); 10872bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } else { 10882bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines slangAssert(false); 10892bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 10902bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 10912bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 1092b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines slangAssert(StmtCount < FieldsToSet); 10932bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 10942bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // We still need to actually do the overall struct copy. For simplicity, 10952bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // we just do a straight-up assignment (which will still preserve all 10962bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // the proper RS object reference counts). 10972bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::BinaryOperator *CopyStruct = 1098be27482cdeaf08576bc39b72a15d35d13014a636Logan new(C) clang::BinaryOperator(LHS, RHS, clang::BO_Assign, QT, 109923c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines clang::VK_RValue, clang::OK_Ordinary, Loc, 110023c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines false); 11012bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines StmtArray[StmtCount++] = CopyStruct; 11022bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 110323c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines clang::CompoundStmt *CS = new(C) clang::CompoundStmt( 110423c4358f12bd9d0ba7166eceebd683db95a41b3fStephen Hines C, llvm::makeArrayRef(StmtArray, StmtCount), Loc, Loc); 11052bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 11062bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines delete [] StmtArray; 11072bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 11082bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines return CS; 11092bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines} 11102bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 11112bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines} // namespace 11122bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 11132bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hinesvoid RSObjectRefCount::Scope::ReplaceRSObjectAssignment( 1114d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines clang::BinaryOperator *AS) { 11152bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 11162bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::QualType QT = AS->getType(); 11172bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 11182bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::ASTContext &C = RSObjectRefCount::GetRSSetObjectFD( 1119cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataTypeRSFont)->getASTContext(); 11202bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 1121832429f6bf4592cfc2ce58f2462f1e8ecdbaaf52Stephen Hines clang::SourceLocation Loc = AS->getExprLoc(); 11229f1d0aa55669b75a718ad2e962fc8c3d8df1a5f4Stephen Hines clang::SourceLocation StartLoc = AS->getLHS()->getExprLoc(); 11232bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines clang::Stmt *UpdatedStmt = NULL; 11242bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines 11252bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines if (!RSExportPrimitiveType::IsRSObjectType(QT.getTypePtr())) { 11262bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines // By definition, this is a struct assignment if we get here 11272bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines UpdatedStmt = 1128d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines CreateStructRSSetObject(C, AS->getLHS(), AS->getRHS(), StartLoc, Loc); 11292bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } else { 11302bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines UpdatedStmt = 1131d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines CreateSingleRSSetObject(C, AS->getLHS(), AS->getRHS(), StartLoc, Loc); 11322bb67db8364162b30e6920baddf6c2e890b3ce79Stephen Hines } 1133e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1134292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines RSASTReplace R(C); 1135292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines R.ReplaceStmt(mCS, AS, UpdatedStmt); 1136e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines return; 1137e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines} 1138e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1139e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hinesvoid RSObjectRefCount::Scope::AppendRSObjectInit( 1140e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::VarDecl *VD, 1141e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::DeclStmt *DS, 1142cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT, 1143e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::Expr *InitExpr) { 11446e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert(VD); 1145e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1146e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines if (!InitExpr) { 1147e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines return; 1148e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines } 1149e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1150a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines clang::ASTContext &C = RSObjectRefCount::GetRSSetObjectFD( 1151cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataTypeRSFont)->getASTContext(); 1152a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines clang::SourceLocation Loc = RSObjectRefCount::GetRSSetObjectFD( 1153cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataTypeRSFont)->getLocation(); 1154cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc = RSObjectRefCount::GetRSSetObjectFD( 1155cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataTypeRSFont)->getInnerLocStart(); 1156a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines 1157cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet if (DT == DataTypeIsStruct) { 1158a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines const clang::Type *T = RSExportType::GetTypeOfDecl(VD); 1159a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines clang::DeclRefExpr *RefRSVar = 1160a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines clang::DeclRefExpr::Create(C, 1161be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 11620444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 1163a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines VD, 1164e2597ac5a8ba7a45a1d5f342973cd43a3a1932cfShih-wei Liao false, 1165a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines Loc, 1166be27482cdeaf08576bc39b72a15d35d13014a636Logan T->getCanonicalTypeInternal(), 1167be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 1168be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 1169a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines 1170a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines clang::Stmt *RSSetObjectOps = 1171d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines CreateStructRSSetObject(C, RefRSVar, InitExpr, StartLoc, Loc); 1172a0611e66bec148b176404cf6afe4c9ec9b960414Stephen Hines 1173292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines std::list<clang::Stmt*> StmtList; 1174292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines StmtList.push_back(RSSetObjectOps); 1175292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines AppendAfterStmt(C, mCS, DS, StmtList); 1176f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines return; 1177f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 1178f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines 1179f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines clang::FunctionDecl *SetObjectFD = RSObjectRefCount::GetRSSetObjectFD(DT); 11806e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert((SetObjectFD != NULL) && 11816e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines "rsSetObject doesn't cover all RS object types"); 1182e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1183e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::QualType SetObjectFDType = SetObjectFD->getType(); 1184e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::QualType SetObjectFDArgType[2]; 1185e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines SetObjectFDArgType[0] = SetObjectFD->getParamDecl(0)->getOriginalType(); 1186e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines SetObjectFDArgType[1] = SetObjectFD->getParamDecl(1)->getOriginalType(); 1187e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1188e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::Expr *RefRSSetObjectFD = 1189e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::DeclRefExpr::Create(C, 1190be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 11910444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 1192e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines SetObjectFD, 1193e2597ac5a8ba7a45a1d5f342973cd43a3a1932cfShih-wei Liao false, 1194e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines Loc, 1195be27482cdeaf08576bc39b72a15d35d13014a636Logan SetObjectFDType, 1196be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 1197be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 1198e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1199e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::Expr *RSSetObjectFP = 1200e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::ImplicitCastExpr::Create(C, 1201e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines C.getPointerType(SetObjectFDType), 1202e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::CK_FunctionToPointerDecay, 1203e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines RefRSSetObjectFD, 1204e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines NULL, 1205e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::VK_RValue); 1206e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1207e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines const clang::Type *T = RSExportType::GetTypeOfDecl(VD); 1208e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::DeclRefExpr *RefRSVar = 1209e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::DeclRefExpr::Create(C, 1210be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 12110444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 1212e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines VD, 1213e2597ac5a8ba7a45a1d5f342973cd43a3a1932cfShih-wei Liao false, 1214e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines Loc, 1215be27482cdeaf08576bc39b72a15d35d13014a636Logan T->getCanonicalTypeInternal(), 1216be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 1217be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 1218e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 12191dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines llvm::SmallVector<clang::Expr*, 2> ArgList; 12201dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines ArgList.push_back(new(C) clang::UnaryOperator(RefRSVar, 12211dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines clang::UO_AddrOf, 12221dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines SetObjectFDArgType[0], 12231dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines clang::VK_RValue, 12241dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines clang::OK_Ordinary, 12251dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines Loc)); 12261dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines ArgList.push_back(InitExpr); 1227e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1228e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::CallExpr *RSSetObjectCall = 1229e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines new(C) clang::CallExpr(C, 1230e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines RSSetObjectFP, 1231e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines ArgList, 1232e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines SetObjectFD->getCallResultType(), 1233be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 1234e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines Loc); 1235e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1236292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines std::list<clang::Stmt*> StmtList; 1237292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines StmtList.push_back(RSSetObjectCall); 1238292e00a0259ac28cac1055cb6077cf6fc7c6743cStephen Hines AppendAfterStmt(C, mCS, DS, StmtList); 1239c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 1240c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines return; 1241c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines} 1242c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 12431bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hinesvoid RSObjectRefCount::Scope::InsertLocalVarDestructors() { 12441bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines for (std::list<clang::VarDecl*>::const_iterator I = mRSO.begin(), 12451bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines E = mRSO.end(); 12461bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines I != E; 12471bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines I++) { 1248a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines clang::VarDecl *VD = *I; 12493f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::Stmt *RSClearObjectCall = ClearRSObject(VD, VD->getDeclContext()); 1250a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines if (RSClearObjectCall) { 1251a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines DestructorVisitor DV((*mRSO.begin())->getASTContext(), 1252a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines mCS, 1253a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines RSClearObjectCall, 1254a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines VD->getSourceRange().getBegin()); 1255a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines DV.Visit(mCS); 1256a883ce325281796dc7cc8fcf973a7ccd47a9a17eStephen Hines DV.InsertDestructors(); 12571bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines } 12581bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines } 12591bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines return; 12601bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines} 12611bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 12623f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hinesclang::Stmt *RSObjectRefCount::Scope::ClearRSObject( 12633f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::VarDecl *VD, 12643f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::DeclContext *DC) { 1265f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert(VD); 12661bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines clang::ASTContext &C = VD->getASTContext(); 12671bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines clang::SourceLocation Loc = VD->getLocation(); 1268cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao clang::SourceLocation StartLoc = VD->getInnerLocStart(); 12691bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines const clang::Type *T = RSExportType::GetTypeOfDecl(VD); 127003981a308201b9123512297c8b9562a0f29bdf31Stephen Hines 12711bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines // Reference expr to target RS object variable 12721bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines clang::DeclRefExpr *RefRSVar = 12731bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines clang::DeclRefExpr::Create(C, 1274be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::NestedNameSpecifierLoc(), 12750444de0c0e7cfc8d8f8fed6f64cd97812bdd6a41Stephen Hines clang::SourceLocation(), 12761bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines VD, 1277e2597ac5a8ba7a45a1d5f342973cd43a3a1932cfShih-wei Liao false, 12781bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines Loc, 1279be27482cdeaf08576bc39b72a15d35d13014a636Logan T->getCanonicalTypeInternal(), 1280be27482cdeaf08576bc39b72a15d35d13014a636Logan clang::VK_RValue, 1281be27482cdeaf08576bc39b72a15d35d13014a636Logan NULL); 12821bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 1283f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (T->isArrayType()) { 1284cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao return ClearArrayRSObject(C, DC, RefRSVar, StartLoc, Loc); 1285f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 12861bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 1287cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT = RSExportPrimitiveType::GetRSSpecificType(T); 12881bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 1289cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet if (DT == DataTypeUnknown || 1290cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DT == DataTypeIsStruct) { 1291cc887ba8fe42cca706caae636932ae6a61a30ed2Shih-wei Liao return ClearStructRSObject(C, DC, RefRSVar, StartLoc, Loc); 1292f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 12931bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 1294f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines slangAssert((RSExportPrimitiveType::IsRSObjectType(DT)) && 1295f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines "Should be RS object"); 12961bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 1297f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines return ClearSingleRSObject(C, RefRSVar, Loc); 12981bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines} 12991bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines 1300e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hinesbool RSObjectRefCount::InitializeRSObject(clang::VarDecl *VD, 1301cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType *DT, 1302e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::Expr **InitExpr) { 13036e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert(VD && DT && InitExpr); 13044b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines const clang::Type *T = RSExportType::GetTypeOfDecl(VD); 13052d095046682d9c372e8c4f102cd1b340ec14bebaStephen Hines 13062d095046682d9c372e8c4f102cd1b340ec14bebaStephen Hines // Loop through array types to get to base type 13072d095046682d9c372e8c4f102cd1b340ec14bebaStephen Hines while (T && T->isArrayType()) { 13082d095046682d9c372e8c4f102cd1b340ec14bebaStephen Hines T = T->getArrayElementTypeNoTypeQual(); 13092d095046682d9c372e8c4f102cd1b340ec14bebaStephen Hines } 13102d095046682d9c372e8c4f102cd1b340ec14bebaStephen Hines 1311f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines bool DataTypeIsStructWithRSObject = false; 1312e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines *DT = RSExportPrimitiveType::GetRSSpecificType(T); 13134b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 1314cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet if (*DT == DataTypeUnknown) { 1315feaca06fcb0772e9e972a0d61b17259fc5124d50Stephen Hines if (RSExportPrimitiveType::IsStructureTypeWithRSObject(T)) { 1316cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet *DT = DataTypeIsStruct; 1317f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines DataTypeIsStructWithRSObject = true; 1318feaca06fcb0772e9e972a0d61b17259fc5124d50Stephen Hines } else { 1319feaca06fcb0772e9e972a0d61b17259fc5124d50Stephen Hines return false; 1320feaca06fcb0772e9e972a0d61b17259fc5124d50Stephen Hines } 13212d095046682d9c372e8c4f102cd1b340ec14bebaStephen Hines } 13224b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 1323f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines bool DataTypeIsRSObject = false; 1324f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines if (DataTypeIsStructWithRSObject) { 1325f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines DataTypeIsRSObject = true; 1326f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } else { 1327f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines DataTypeIsRSObject = RSExportPrimitiveType::IsRSObjectType(*DT); 1328f2174cfd6a556b51aadf2b8765e50df080e8f18eStephen Hines } 1329e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines *InitExpr = VD->getInit(); 1330e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1331e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines if (!DataTypeIsRSObject && *InitExpr) { 1332e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines // If we already have an initializer for a matrix type, we are done. 1333e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines return DataTypeIsRSObject; 13344b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 13354b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 1336e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::Expr *ZeroInitializer = 1337e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines CreateZeroInitializerForRSSpecificType(*DT, 1338e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines VD->getASTContext(), 1339e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines VD->getLocation()); 1340e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1341e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines if (ZeroInitializer) { 1342e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines ZeroInitializer->setType(T->getCanonicalTypeInternal()); 1343e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines VD->setInit(ZeroInitializer); 1344e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines } 1345e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines 1346e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines return DataTypeIsRSObject; 13474b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines} 13484b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 13494b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hinesclang::Expr *RSObjectRefCount::CreateZeroInitializerForRSSpecificType( 1350cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT, 13514b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::ASTContext &C, 13524b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines const clang::SourceLocation &Loc) { 13534b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::Expr *Res = NULL; 13544b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines switch (DT) { 1355cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeIsStruct: 1356cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSElement: 1357cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSType: 1358cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSAllocation: 1359cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSSampler: 1360cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSScript: 1361cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSMesh: 1362cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSPath: 1363cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSProgramFragment: 1364cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSProgramVertex: 1365cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSProgramRaster: 1366cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSProgramStore: 1367cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSFont: { 13684b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (ImplicitCastExpr 'nullptr_t' 13694b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (IntegerLiteral 0))) 13704b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines llvm::APInt Zero(C.getTypeSize(C.IntTy), 0); 13714b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::Expr *Int0 = clang::IntegerLiteral::Create(C, Zero, C.IntTy, Loc); 13724b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::Expr *CastToNull = 13734b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::ImplicitCastExpr::Create(C, 13744b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines C.NullPtrTy, 13754b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::CK_IntegralToPointer, 13764b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines Int0, 13774b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines NULL, 13784b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::VK_RValue); 13794b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 13801dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines llvm::SmallVector<clang::Expr*, 1>InitList; 13811dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines InitList.push_back(CastToNull); 13821dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines 13831dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines Res = new(C) clang::InitListExpr(C, Loc, InitList, Loc); 13844b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines break; 13854b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 1386cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSMatrix2x2: 1387cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSMatrix3x3: 1388cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeRSMatrix4x4: { 13894b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // RS matrix is not completely an RS object. They hold data by themselves. 13904b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (InitListExpr rs_matrix2x2 13914b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (InitListExpr float[4] 13924b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (FloatingLiteral 0) 13934b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (FloatingLiteral 0) 13944b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (FloatingLiteral 0) 13954b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // (FloatingLiteral 0))) 13964b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::QualType FloatTy = C.FloatTy; 13974b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // Constructor sets value to 0.0f by default 13984b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines llvm::APFloat Val(C.getFloatTypeSemantics(FloatTy)); 13994b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::FloatingLiteral *Float0Val = 14004b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::FloatingLiteral::Create(C, 14014b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines Val, 14024b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines /* isExact = */true, 14034b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines FloatTy, 14044b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines Loc); 14054b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14064b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines unsigned N = 0; 1407cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet if (DT == DataTypeRSMatrix2x2) 14084b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines N = 2; 1409cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet else if (DT == DataTypeRSMatrix3x3) 14104b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines N = 3; 1411cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet else if (DT == DataTypeRSMatrix4x4) 14124b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines N = 4; 14131dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines unsigned N_2 = N * N; 14144b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14151dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines // Assume we are going to be allocating 16 elements, since 4x4 is max. 14161dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines llvm::SmallVector<clang::Expr*, 16> InitVals; 14171dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines for (unsigned i = 0; i < N_2; i++) 14181dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines InitVals.push_back(Float0Val); 14194b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::Expr *InitExpr = 14201dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines new(C) clang::InitListExpr(C, Loc, InitVals, Loc); 14214b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines InitExpr->setType(C.getConstantArrayType(FloatTy, 14221dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines llvm::APInt(32, N_2), 14234b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::ArrayType::Normal, 14244b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines /* EltTypeQuals = */0)); 14251dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines llvm::SmallVector<clang::Expr*, 1> InitExprVec; 14261dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines InitExprVec.push_back(InitExpr); 14274b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14281dfc415431ddd360354fecfcd9b12dcaf686355aStephen Hines Res = new(C) clang::InitListExpr(C, Loc, InitExprVec, Loc); 14294b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines break; 14304b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 1431cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnknown: 1432cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeFloat16: 1433cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeFloat32: 1434cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeFloat64: 1435cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeSigned8: 1436cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeSigned16: 1437cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeSigned32: 1438cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeSigned64: 1439cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnsigned8: 1440cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnsigned16: 1441cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnsigned32: 1442cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnsigned64: 1443cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeBoolean: 1444cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnsigned565: 1445cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnsigned5551: 1446cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeUnsigned4444: 1447cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet case DataTypeMax: { 14486e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert(false && "Not RS object type!"); 14494b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 14504b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // No default case will enable compiler detecting the missing cases 14514b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 14524b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14534b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines return Res; 14544b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines} 14554b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14564b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hinesvoid RSObjectRefCount::VisitDeclStmt(clang::DeclStmt *DS) { 14574b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines for (clang::DeclStmt::decl_iterator I = DS->decl_begin(), E = DS->decl_end(); 14584b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines I != E; 14594b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines I++) { 14604b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::Decl *D = *I; 14614b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines if (D->getKind() == clang::Decl::Var) { 14624b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines clang::VarDecl *VD = static_cast<clang::VarDecl*>(D); 1463cec9b65aa890dea58e39951900ae13efb8d11703Jean-Luc Brouillet DataType DT = DataTypeUnknown; 1464e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines clang::Expr *InitExpr = NULL; 1465e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines if (InitializeRSObject(VD, &DT, &InitExpr)) { 1466b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines // We need to zero-init all RS object types (including matrices), ... 1467d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines getCurrentScope()->AppendRSObjectInit(VD, DS, DT, InitExpr); 1468b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines // ... but, only add to the list of RS objects if we have some 1469b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines // non-matrix RS object fields. 1470b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines if (CountRSObjectTypes(mCtx, VD->getType().getTypePtr(), 1471b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines VD->getLocation())) { 1472b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines getCurrentScope()->addRSObject(VD); 1473b0fabe574945bfa85e688e77e9dcb5341fe08840Stephen Hines } 1474e79fb5ec220e20bd04cd6f6059cbc9748181ce21Stephen Hines } 14754b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 14764b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 14774b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines return; 14784b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines} 14794b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14804b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hinesvoid RSObjectRefCount::VisitCompoundStmt(clang::CompoundStmt *CS) { 14814b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines if (!CS->body_empty()) { 14824b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // Push a new scope 14834b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines Scope *S = new Scope(CS); 14844b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines mScopeStack.push(S); 14854b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14864b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines VisitStmt(CS); 14874b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14884b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines // Destroy the scope 14896e6578a360497f78a181e63d7783422a9c9bfb15Stephen Hines slangAssert((getCurrentScope() == S) && "Corrupted scope stack!"); 14901bdd4978caabcdc9489bdcb7f1cd6087340699e8Stephen Hines S->InsertLocalVarDestructors(); 14914b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines mScopeStack.pop(); 14924b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines delete S; 14934b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 14944b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines return; 14954b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines} 14964b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 14974b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hinesvoid RSObjectRefCount::VisitBinAssign(clang::BinaryOperator *AS) { 1498c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines clang::QualType QT = AS->getType(); 1499c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 1500d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines if (CountRSObjectTypes(mCtx, QT.getTypePtr(), AS->getExprLoc())) { 1501d0b5edd02be5f09c1d8d211f4a06b031a7b66510Stephen Hines getCurrentScope()->ReplaceRSObjectAssignment(AS); 1502c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines } 1503c202d2d64fe0172bcc3999b515a14d3d88532420Stephen Hines 15044b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines return; 15054b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines} 15064b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 15074b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hinesvoid RSObjectRefCount::VisitStmt(clang::Stmt *S) { 15084b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines for (clang::Stmt::child_iterator I = S->child_begin(), E = S->child_end(); 15094b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines I != E; 15104b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines I++) { 15114b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines if (clang::Stmt *Child = *I) { 15124b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines Visit(Child); 15134b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 15144b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines } 15154b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines return; 15164b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines} 15174b32ffdfc1ac766f8932e7effbcdf7484e804a8eStephen Hines 1518688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines// This function walks the list of global variables and (potentially) creates 1519688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines// a single global static destructor function that properly decrements 1520688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines// reference counts on the contained RS object types. 1521688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hinesclang::FunctionDecl *RSObjectRefCount::CreateStaticGlobalDtor() { 1522688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines Init(); 1523688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines 1524688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines clang::DeclContext *DC = mCtx.getTranslationUnitDecl(); 1525688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines clang::SourceLocation loc; 1526688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines 15273f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines llvm::StringRef SR(".rs.dtor"); 15283f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::IdentifierInfo &II = mCtx.Idents.get(SR); 15293f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::DeclarationName N(&II); 15303f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::FunctionProtoType::ExtProtoInfo EPI; 153182d7288620fade361dd8f7408b5db54a55c2c794Stephen Hines clang::QualType T = mCtx.getFunctionType(mCtx.VoidTy, 153282d7288620fade361dd8f7408b5db54a55c2c794Stephen Hines llvm::ArrayRef<clang::QualType>(), EPI); 15333f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::FunctionDecl *FD = NULL; 15343f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines 1535688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines // Generate rsClearObject() call chains for every global variable 1536688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines // (whether static or extern). 1537688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines std::list<clang::Stmt *> StmtList; 1538688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines for (clang::DeclContext::decl_iterator I = DC->decls_begin(), 1539688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines E = DC->decls_end(); I != E; I++) { 1540688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines clang::VarDecl *VD = llvm::dyn_cast<clang::VarDecl>(*I); 1541688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines if (VD) { 1542688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines if (CountRSObjectTypes(mCtx, VD->getType().getTypePtr(), loc)) { 15433f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines if (!FD) { 15443f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines // Only create FD if we are going to use it. 15454b3f3bada7155de983e7d92fa8b20091629b3bb3Stephen Hines FD = clang::FunctionDecl::Create(mCtx, DC, loc, loc, N, T, NULL, 15464b3f3bada7155de983e7d92fa8b20091629b3bb3Stephen Hines clang::SC_None); 15473f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines } 15483f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines // Make sure to create any helpers within the function's DeclContext, 15493f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines // not the one associated with the global translation unit. 15503f175af8a0644fb5fc53aa90e01c24f75855c5f7Stephen Hines clang::Stmt *RSClearObjectCall = Scope::ClearRSObject(VD, FD); 1551688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines StmtList.push_back(RSClearObjectCall); 1552688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines } 1553688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines } 1554688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines } 1555688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines 1556688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines // Nothing needs to be destroyed, so don't emit a dtor. 1557688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines if (StmtList.empty()) { 1558688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines return NULL; 1559688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines } 1560688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines 1561688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines clang::CompoundStmt *CS = BuildCompoundStmt(mCtx, StmtList, loc); 1562688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines 1563688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines FD->setBody(CS); 1564688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines 1565688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines return FD; 1566688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines} 1567688e64b2d56e4218c680b9d6523c5de672f55757Stephen Hines 1568e639eb5caa2c386b4a60659a4929e8a6141a2cbeStephen Hines} // namespace slang 1569