| #include "slang.hpp" |
| #include "slang_rs_context.hpp" |
| #include "slang_rs_reflection.hpp" |
| #include "slang_rs_export_var.hpp" |
| #include "slang_rs_export_func.hpp" |
| #include "slang_rs_export_type.hpp" |
| #include "slang_rs_pragma_handler.hpp" |
| |
| #include "clang/AST/Type.h" /* for class clang::QualType */ |
| #include "clang/AST/Decl.h" /* for class clang::*Decl */ |
| #include "clang/Index/Utils.h" /* for class clang::idx::ResolveLocationInAST() */ |
| #include "clang/AST/DeclBase.h" /* for class clang::Decl and clang::DeclContext */ |
| #include "clang/AST/ASTContext.h" /* for class clang::ASTContext */ |
| #include "clang/Basic/TargetInfo.h" /* for class clang::TargetInfo */ |
| #include "clang/Index/ASTLocation.h" /* for class clang::idx::ASTLocation */ |
| |
| #include "llvm/LLVMContext.h" /* for function llvm::getGlobalContext() */ |
| #include "llvm/Target/TargetData.h" /* for class llvm::TargetData */ |
| |
| using namespace clang::idx; |
| |
| namespace slang { |
| |
| RSContext::RSContext(Preprocessor* PP, ASTContext* Ctx, const TargetInfo* Target) : |
| mPP(PP), |
| mCtx(Ctx), |
| mTarget(Target), |
| mTargetData(NULL), |
| mLLVMContext(llvm::getGlobalContext()), |
| mRSExportVarPragma(NULL), |
| mRSExportVarAllPragma(NULL), |
| mRSExportFuncPragma(NULL), |
| mRSExportFuncAllPragma(NULL), |
| mRSExportTypePragma(NULL), |
| mRSJavaPackageNamePragma(NULL), |
| mExportAllStaticVars(false), |
| mExportAllStaticFuncs(false) |
| { |
| /* For #pragma rs export_var */ |
| mRSExportVarPragma = RSPragmaHandler::CreatePragmaExportVarHandler(this); |
| if(mRSExportVarPragma != NULL) |
| PP->AddPragmaHandler("rs", mRSExportVarPragma); |
| |
| /* For #pragma rs export_var_all */ |
| mRSExportVarAllPragma = RSPragmaHandler::CreatePragmaExportVarAllHandler(this); |
| if(mRSExportVarAllPragma != NULL) |
| PP->AddPragmaHandler("rs", mRSExportVarAllPragma); |
| |
| /* For #pragma rs export_func */ |
| mRSExportFuncPragma = RSPragmaHandler::CreatePragmaExportFuncHandler(this); |
| if(mRSExportFuncPragma != NULL) |
| PP->AddPragmaHandler("rs", mRSExportFuncPragma); |
| |
| /* For #pragma rs export_func_all */ |
| mRSExportFuncAllPragma = RSPragmaHandler::CreatePragmaExportFuncAllHandler(this); |
| if(mRSExportFuncAllPragma != NULL) |
| PP->AddPragmaHandler("rs", mRSExportFuncAllPragma); |
| |
| /* For #pragma rs export_type */ |
| mRSExportTypePragma = RSPragmaHandler::CreatePragmaExportTypeHandler(this); |
| if(mRSExportTypePragma != NULL) |
| PP->AddPragmaHandler("rs", mRSExportTypePragma); |
| |
| /* For #pragma rs java_package_name */ |
| mRSJavaPackageNamePragma = RSPragmaHandler::CreatePragmaJavaPackageNameHandler(this); |
| if(mRSJavaPackageNamePragma != NULL) |
| PP->AddPragmaHandler("rs", mRSJavaPackageNamePragma); |
| |
| /* Prepare target data */ |
| mTargetData = new llvm::TargetData(Slang::TargetDescription); |
| |
| return; |
| } |
| |
| bool RSContext::processExportVar(const VarDecl* VD) { |
| assert(!VD->getName().empty() && "Variable name should not be empty"); |
| |
| /* TODO: some check on variable */ |
| |
| RSExportType* ET = RSExportType::CreateFromDecl(this, VD); |
| if(!ET) |
| return false; |
| |
| RSExportVar* EV = new RSExportVar(this, VD, ET); |
| if(EV == NULL) |
| return false; |
| else |
| mExportVars.push_back(EV); |
| |
| return true; |
| } |
| |
| bool RSContext::processExportFunc(const FunctionDecl* FD) { |
| assert(!FD->getName().empty() && "Function name should not be empty"); |
| |
| if(!FD->isThisDeclarationADefinition()) |
| return false; |
| |
| if(FD->getStorageClass() != FunctionDecl::None) { |
| printf("RSContext::processExportFunc : cannot export extern or static function '%s'\n", FD->getName().str().c_str()); |
| return false; |
| } |
| |
| RSExportFunc* EF = RSExportFunc::Create(this, FD); |
| if(EF == NULL) |
| return false; |
| else |
| mExportFuncs.push_back(EF); |
| |
| return true; |
| } |
| |
| |
| bool RSContext::processExportType(const llvm::StringRef& Name) { |
| TranslationUnitDecl* TUDecl = mCtx->getTranslationUnitDecl(); |
| |
| assert(TUDecl != NULL && "Translation unit declaration (top-level declaration) is null object"); |
| |
| const IdentifierInfo* II = mPP->getIdentifierInfo(Name); |
| if(II == NULL) |
| /* TODO: error: identifier @Name mark as an exportable type cannot be found */ |
| return false; |
| |
| DeclContext::lookup_const_result R = TUDecl->lookup(II); |
| bool Done = false; |
| RSExportType* ET = NULL; |
| |
| RSExportPointerType::IntegerType = mCtx->IntTy.getTypePtr(); |
| |
| for(DeclContext::lookup_const_iterator I = R.first; |
| I != R.second; |
| I++) |
| { |
| NamedDecl* const ND = *I; |
| ASTLocation* LastLoc = new ASTLocation(ND); |
| ASTLocation AL = ResolveLocationInAST(*mCtx, ND->getLocStart(), LastLoc); |
| |
| delete LastLoc; |
| if(AL.isDecl()) { |
| Decl* D = AL.dyn_AsDecl(); |
| const Type* T = NULL; |
| |
| switch(D->getKind()) { |
| case Decl::Typedef: |
| T = static_cast<const TypedefDecl*>(D)->getCanonicalDecl()->getUnderlyingType().getTypePtr(); |
| break; |
| |
| case Decl::Record: |
| T = static_cast<const RecordDecl*>(D)->getTypeForDecl(); |
| break; |
| |
| default: |
| /* unsupported, skip */ |
| break; |
| } |
| |
| if(T != NULL) |
| ET = RSExportType::Create(this, T); |
| } |
| } |
| |
| RSExportPointerType::IntegerType = NULL; |
| |
| return (ET != NULL); |
| } |
| |
| void RSContext::processExport() { |
| /* Export variable */ |
| TranslationUnitDecl* TUDecl = mCtx->getTranslationUnitDecl(); |
| for(DeclContext::decl_iterator DI = TUDecl->decls_begin(); |
| DI != TUDecl->decls_end(); |
| DI++) |
| { |
| if(DI->getKind() == Decl::Var) { |
| VarDecl* VD = (VarDecl*) (*DI); |
| if (mExportAllStaticVars && VD->getStorageClass() == VarDecl::None) { |
| if (!processExportVar(VD)) { |
| printf("RSContext::processExport : failed to export var '%s'\n", VD->getNameAsCString()); |
| } |
| } else { |
| NeedExportVarSet::iterator EI = mNeedExportVars.find(VD->getName()); |
| if(EI != mNeedExportVars.end() && processExportVar(VD)) |
| mNeedExportVars.erase(EI); |
| } |
| } else if(DI->getKind() == Decl::Function) { |
| FunctionDecl* FD = (FunctionDecl*) (*DI); |
| if (mExportAllStaticFuncs && FD->getStorageClass() == FunctionDecl::None) { |
| if (!processExportFunc(FD)) { |
| printf("RSContext::processExport : failed to export func '%s'\n", FD->getNameAsCString()); |
| } |
| } else { |
| NeedExportFuncSet::iterator EI = mNeedExportFuncs.find(FD->getName()); |
| if(EI != mNeedExportFuncs.end() && processExportFunc(FD)) |
| mNeedExportFuncs.erase(EI); |
| } |
| } |
| } |
| |
| /* Finally, export type forcely set to be exported by user */ |
| for(NeedExportTypeSet::const_iterator EI = mNeedExportTypes.begin(); |
| EI != mNeedExportTypes.end(); |
| EI++) |
| if(!processExportType(EI->getKey())) |
| printf("RSContext::processExport : failed to export type '%s'\n", EI->getKey().str().c_str()); |
| |
| |
| return; |
| } |
| |
| bool RSContext::insertExportType(const llvm::StringRef& TypeName, RSExportType* ET) { |
| ExportTypeMap::value_type* NewItem = ExportTypeMap::value_type::Create(TypeName.begin(), TypeName.end(), mExportTypes.getAllocator(), ET); |
| |
| if(mExportTypes.insert(NewItem)) { |
| return true; |
| } else { |
| delete NewItem; |
| return false; |
| } |
| } |
| |
| bool RSContext::reflectToJava(const char* OutputPackageName, const std::string& InputFileName, const std::string& OutputBCFileName) { |
| if(OutputPackageName == NULL) |
| if(!mReflectJavaPackageName.empty()) |
| OutputPackageName = mReflectJavaPackageName.c_str(); |
| else |
| return true; /* no package name, just return */ |
| |
| RSReflection* R = new RSReflection(this); |
| bool ret = R->reflect(OutputPackageName, InputFileName, OutputBCFileName); |
| if(!ret) |
| printf("RSContext::reflectToJava : failed to do reflection (%s)\n", R->getLastError()); |
| delete R; |
| return ret; |
| } |
| |
| RSContext::~RSContext() { |
| delete mRSExportVarPragma; |
| delete mRSExportFuncPragma; |
| delete mRSExportTypePragma; |
| delete mRSJavaPackageNamePragma; |
| |
| delete mTargetData; |
| } |
| |
| } /* namespace slang */ |