| /* |
| * Copyright 2010, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "slang_rs.h" |
| |
| #include <cstring> |
| #include <list> |
| #include <sstream> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include "clang/Basic/SourceLocation.h" |
| |
| #include "clang/Frontend/FrontendDiagnostic.h" |
| |
| #include "clang/Sema/SemaDiagnostic.h" |
| |
| #include "llvm/Support/Path.h" |
| |
| #include "os_sep.h" |
| #include "slang_rs_backend.h" |
| #include "slang_rs_context.h" |
| #include "slang_rs_export_type.h" |
| |
| #include "slang_rs_reflection_cpp.h" |
| |
| namespace slang { |
| |
| #define RS_HEADER_SUFFIX "rsh" |
| |
| /* RS_HEADER_ENTRY(name) */ |
| #define ENUM_RS_HEADER() \ |
| RS_HEADER_ENTRY(rs_allocation) \ |
| RS_HEADER_ENTRY(rs_atomic) \ |
| RS_HEADER_ENTRY(rs_cl) \ |
| RS_HEADER_ENTRY(rs_core) \ |
| RS_HEADER_ENTRY(rs_debug) \ |
| RS_HEADER_ENTRY(rs_graphics) \ |
| RS_HEADER_ENTRY(rs_math) \ |
| RS_HEADER_ENTRY(rs_matrix) \ |
| RS_HEADER_ENTRY(rs_object) \ |
| RS_HEADER_ENTRY(rs_quaternion) \ |
| RS_HEADER_ENTRY(rs_time) \ |
| RS_HEADER_ENTRY(rs_types) \ |
| |
| |
| bool SlangRS::reflectToJava(const std::string &OutputPathBase, |
| const std::string &OutputPackageName, |
| std::string *RealPackageName) { |
| return mRSContext->reflectToJava(OutputPathBase, |
| OutputPackageName, |
| getInputFileName(), |
| getOutputFileName(), |
| RealPackageName); |
| } |
| |
| bool SlangRS::generateBitcodeAccessor(const std::string &OutputPathBase, |
| const std::string &PackageName) { |
| RSSlangReflectUtils::BitCodeAccessorContext BCAccessorContext; |
| |
| BCAccessorContext.rsFileName = getInputFileName().c_str(); |
| BCAccessorContext.bcFileName = getOutputFileName().c_str(); |
| BCAccessorContext.reflectPath = OutputPathBase.c_str(); |
| BCAccessorContext.packageName = PackageName.c_str(); |
| BCAccessorContext.bcStorage = BCST_JAVA_CODE; // Must be BCST_JAVA_CODE |
| |
| return RSSlangReflectUtils::GenerateBitCodeAccessor(BCAccessorContext); |
| } |
| |
| bool SlangRS::checkODR(const char *CurInputFile) { |
| for (RSContext::ExportableList::iterator I = mRSContext->exportable_begin(), |
| E = mRSContext->exportable_end(); |
| I != E; |
| I++) { |
| RSExportable *RSE = *I; |
| if (RSE->getKind() != RSExportable::EX_TYPE) |
| continue; |
| |
| RSExportType *ET = static_cast<RSExportType *>(RSE); |
| if (ET->getClass() != RSExportType::ExportClassRecord) |
| continue; |
| |
| RSExportRecordType *ERT = static_cast<RSExportRecordType *>(ET); |
| |
| // Artificial record types (create by us not by user in the source) always |
| // conforms the ODR. |
| if (ERT->isArtificial()) |
| continue; |
| |
| // Key to lookup ERT in ReflectedDefinitions |
| llvm::StringRef RDKey(ERT->getName()); |
| ReflectedDefinitionListTy::const_iterator RD = |
| ReflectedDefinitions.find(RDKey); |
| |
| if (RD != ReflectedDefinitions.end()) { |
| const RSExportRecordType *Reflected = RD->getValue().first; |
| // There's a record (struct) with the same name reflected before. Enforce |
| // ODR checking - the Reflected must hold *exactly* the same "definition" |
| // as the one defined previously. We say two record types A and B have the |
| // same definition iff: |
| // |
| // struct A { struct B { |
| // Type(a1) a1, Type(b1) b1, |
| // Type(a2) a2, Type(b1) b2, |
| // ... ... |
| // Type(aN) aN Type(b3) b3, |
| // }; } |
| // Cond. #1. They have same number of fields, i.e., N = M; |
| // Cond. #2. for (i := 1 to N) |
| // Type(ai) = Type(bi) must hold; |
| // Cond. #3. for (i := 1 to N) |
| // Name(ai) = Name(bi) must hold; |
| // |
| // where, |
| // Type(F) = the type of field F and |
| // Name(F) = the field name. |
| |
| bool PassODR = false; |
| // Cond. #1 and Cond. #2 |
| if (Reflected->equals(ERT)) { |
| // Cond #3. |
| RSExportRecordType::const_field_iterator AI = Reflected->fields_begin(), |
| BI = ERT->fields_begin(); |
| |
| for (unsigned i = 0, e = Reflected->getFields().size(); i != e; i++) { |
| if ((*AI)->getName() != (*BI)->getName()) |
| break; |
| AI++; |
| BI++; |
| } |
| PassODR = (AI == (Reflected->fields_end())); |
| } |
| |
| if (!PassODR) { |
| getDiagnostics().Report(mDiagErrorODR) << Reflected->getName() |
| << getInputFileName() |
| << RD->getValue().second; |
| return false; |
| } |
| } else { |
| llvm::StringMapEntry<ReflectedDefinitionTy> *ME = |
| llvm::StringMapEntry<ReflectedDefinitionTy>::Create(RDKey.begin(), |
| RDKey.end()); |
| ME->setValue(std::make_pair(ERT, CurInputFile)); |
| |
| if (!ReflectedDefinitions.insert(ME)) |
| delete ME; |
| |
| // Take the ownership of ERT such that it won't be freed in ~RSContext(). |
| ERT->keep(); |
| } |
| } |
| return true; |
| } |
| |
| void SlangRS::initDiagnostic() { |
| clang::DiagnosticsEngine &DiagEngine = getDiagnostics(); |
| |
| if (DiagEngine.setDiagnosticGroupMapping("implicit-function-declaration", |
| clang::diag::MAP_ERROR)) |
| DiagEngine.Report(clang::diag::warn_unknown_warning_option) |
| << "implicit-function-declaration"; |
| |
| DiagEngine.setDiagnosticMapping( |
| clang::diag::ext_typecheck_convert_discards_qualifiers, |
| clang::diag::MAP_ERROR, |
| clang::SourceLocation()); |
| |
| mDiagErrorInvalidOutputDepParameter = |
| DiagEngine.getCustomDiagID( |
| clang::DiagnosticsEngine::Error, |
| "invalid parameter for output dependencies files."); |
| |
| mDiagErrorODR = |
| DiagEngine.getCustomDiagID( |
| clang::DiagnosticsEngine::Error, |
| "type '%0' in different translation unit (%1 v.s. %2) " |
| "has incompatible type definition"); |
| |
| mDiagErrorTargetAPIRange = |
| DiagEngine.getCustomDiagID( |
| clang::DiagnosticsEngine::Error, |
| "target API level '%0' is out of range ('%1' - '%2')"); |
| } |
| |
| void SlangRS::initPreprocessor() { |
| clang::Preprocessor &PP = getPreprocessor(); |
| |
| std::stringstream RSH; |
| RSH << "#define RS_VERSION " << mTargetAPI << std::endl; |
| RSH << "#include \"rs_core." RS_HEADER_SUFFIX "\"" << std::endl; |
| PP.setPredefines(RSH.str()); |
| } |
| |
| void SlangRS::initASTContext() { |
| mRSContext = new RSContext(getPreprocessor(), |
| getASTContext(), |
| getTargetInfo(), |
| &mPragmas, |
| mTargetAPI, |
| &mGeneratedFileNames); |
| } |
| |
| clang::ASTConsumer |
| *SlangRS::createBackend(const clang::CodeGenOptions& CodeGenOpts, |
| llvm::raw_ostream *OS, |
| Slang::OutputType OT) { |
| return new RSBackend(mRSContext, |
| &getDiagnostics(), |
| CodeGenOpts, |
| getTargetOptions(), |
| &mPragmas, |
| OS, |
| OT, |
| getSourceManager(), |
| mAllowRSPrefix); |
| } |
| |
| bool SlangRS::IsRSHeaderFile(const char *File) { |
| #define RS_HEADER_ENTRY(name) \ |
| if (::strcmp(File, #name "."RS_HEADER_SUFFIX) == 0) \ |
| return true; |
| ENUM_RS_HEADER() |
| #undef RS_HEADER_ENTRY |
| return false; |
| } |
| |
| bool SlangRS::IsFunctionInRSHeaderFile(const clang::FunctionDecl *FD, |
| const clang::SourceManager &SourceMgr) { |
| clang::FullSourceLoc FSL(FD->getLocStart(), SourceMgr); |
| clang::PresumedLoc PLoc = SourceMgr.getPresumedLoc(FSL); |
| |
| const char *Filename = PLoc.getFilename(); |
| if (!Filename) { |
| return false; |
| } else { |
| return IsRSHeaderFile(llvm::sys::path::filename(Filename).data()); |
| } |
| } |
| |
| SlangRS::SlangRS() |
| : Slang(), mRSContext(NULL), mAllowRSPrefix(false), mTargetAPI(0) { |
| } |
| |
| bool SlangRS::compile( |
| const std::list<std::pair<const char*, const char*> > &IOFiles, |
| const std::list<std::pair<const char*, const char*> > &DepFiles, |
| const std::vector<std::string> &IncludePaths, |
| const std::vector<std::string> &AdditionalDepTargets, |
| Slang::OutputType OutputType, BitCodeStorageType BitcodeStorage, |
| bool AllowRSPrefix, bool OutputDep, |
| unsigned int TargetAPI, bool EmitDebug, |
| llvm::CodeGenOpt::Level OptimizationLevel, |
| const std::string &JavaReflectionPathBase, |
| const std::string &JavaReflectionPackageName) { |
| if (IOFiles.empty()) |
| return true; |
| |
| if (OutputDep && (DepFiles.size() != IOFiles.size())) { |
| getDiagnostics().Report(mDiagErrorInvalidOutputDepParameter); |
| return false; |
| } |
| |
| std::string RealPackageName; |
| |
| const char *InputFile, *OutputFile, *BCOutputFile, *DepOutputFile; |
| std::list<std::pair<const char*, const char*> >::const_iterator |
| IOFileIter = IOFiles.begin(), DepFileIter = DepFiles.begin(); |
| |
| setIncludePaths(IncludePaths); |
| setOutputType(OutputType); |
| if (OutputDep) { |
| setAdditionalDepTargets(AdditionalDepTargets); |
| } |
| |
| setDebugMetadataEmission(EmitDebug); |
| |
| setOptimizationLevel(OptimizationLevel); |
| |
| mAllowRSPrefix = AllowRSPrefix; |
| |
| mTargetAPI = TargetAPI; |
| if (mTargetAPI < SLANG_MINIMUM_TARGET_API || |
| mTargetAPI > SLANG_MAXIMUM_TARGET_API) { |
| getDiagnostics().Report(mDiagErrorTargetAPIRange) << mTargetAPI |
| << SLANG_MINIMUM_TARGET_API << SLANG_MAXIMUM_TARGET_API; |
| return false; |
| } |
| |
| // Skip generation of warnings a second time if we are doing more than just |
| // a single pass over the input file. |
| bool SuppressAllWarnings = (OutputType != Slang::OT_Dependency); |
| |
| for (unsigned i = 0, e = IOFiles.size(); i != e; i++) { |
| InputFile = IOFileIter->first; |
| OutputFile = IOFileIter->second; |
| |
| reset(); |
| |
| if (!setInputSource(InputFile)) |
| return false; |
| |
| if (!setOutput(OutputFile)) |
| return false; |
| |
| if (Slang::compile() > 0) |
| return false; |
| |
| if (OutputType != Slang::OT_Dependency) { |
| |
| if (BitcodeStorage == BCST_CPP_CODE) { |
| RSReflectionCpp R(mRSContext); |
| bool ret = R.reflect(JavaReflectionPathBase, getInputFileName(), getOutputFileName()); |
| if (!ret) { |
| return false; |
| } |
| } else { |
| |
| if (!reflectToJava(JavaReflectionPathBase, |
| JavaReflectionPackageName, |
| &RealPackageName)) { |
| return false; |
| } |
| |
| for (std::vector<std::string>::const_iterator |
| I = mGeneratedFileNames.begin(), E = mGeneratedFileNames.end(); |
| I != E; |
| I++) { |
| std::string ReflectedName = RSSlangReflectUtils::ComputePackagedPath( |
| JavaReflectionPathBase.c_str(), |
| (RealPackageName + OS_PATH_SEPARATOR_STR + *I).c_str()); |
| appendGeneratedFileName(ReflectedName + ".java"); |
| } |
| |
| if ((OutputType == Slang::OT_Bitcode) && |
| (BitcodeStorage == BCST_JAVA_CODE) && |
| !generateBitcodeAccessor(JavaReflectionPathBase, |
| RealPackageName.c_str())) { |
| return false; |
| } |
| } |
| } |
| |
| if (OutputDep) { |
| BCOutputFile = DepFileIter->first; |
| DepOutputFile = DepFileIter->second; |
| |
| setDepTargetBC(BCOutputFile); |
| |
| if (!setDepOutput(DepOutputFile)) |
| return false; |
| |
| if (SuppressAllWarnings) { |
| getDiagnostics().setSuppressAllDiagnostics(true); |
| } |
| if (generateDepFile() > 0) |
| return false; |
| if (SuppressAllWarnings) { |
| getDiagnostics().setSuppressAllDiagnostics(false); |
| } |
| |
| DepFileIter++; |
| } |
| |
| if (!checkODR(InputFile)) |
| return false; |
| |
| IOFileIter++; |
| } |
| |
| return true; |
| } |
| |
| void SlangRS::reset() { |
| delete mRSContext; |
| mRSContext = NULL; |
| mGeneratedFileNames.clear(); |
| Slang::reset(); |
| return; |
| } |
| |
| SlangRS::~SlangRS() { |
| delete mRSContext; |
| for (ReflectedDefinitionListTy::iterator I = ReflectedDefinitions.begin(), |
| E = ReflectedDefinitions.end(); |
| I != E; |
| I++) { |
| delete I->getValue().first; |
| } |
| return; |
| } |
| |
| } // namespace slang |