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382 lines
12 KiB
382 lines
12 KiB
/*
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* Copyright 2010-2012, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_CONTEXT_H_ // NOLINT
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#define _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_CONTEXT_H_
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#include <cstdio>
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#include <list>
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#include <map>
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#include <set>
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#include <string>
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#include <unordered_set>
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#include <vector>
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#include "clang/Lex/Preprocessor.h"
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#include "clang/AST/Mangle.h"
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#include "llvm/ADT/StringSet.h"
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#include "llvm/ADT/StringMap.h"
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#include "slang_pragma_list.h"
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namespace llvm {
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class LLVMContext;
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class DataLayout;
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} // namespace llvm
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namespace clang {
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class VarDecl;
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class ASTContext;
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class TargetInfo;
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class FunctionDecl;
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class QualType;
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class SourceManager;
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class TypeDecl;
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class FunctionDecl;
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} // namespace clang
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namespace slang {
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class Backend;
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class RSExportable;
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class RSExportVar;
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class RSExportFunc;
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class RSExportForEach;
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class RSExportReduce;
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class RSExportType;
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class RSContext {
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typedef llvm::StringSet<> NeedExportVarSet;
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typedef llvm::StringSet<> NeedExportFuncSet;
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typedef llvm::StringSet<> NeedExportTypeSet;
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public:
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typedef std::list<RSExportable*> ExportableList;
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typedef std::list<RSExportVar*> ExportVarList;
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typedef std::list<RSExportFunc*> ExportFuncList;
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typedef std::vector<RSExportForEach*> ExportForEachVector;
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typedef std::list<RSExportReduce*> ExportReduceList;
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// WARNING: Sorted by pointer value, resulting in unpredictable order
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typedef std::unordered_set<RSExportType*> ExportReduceResultTypeSet;
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typedef llvm::StringMap<RSExportType*> ExportTypeMap;
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private:
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clang::Preprocessor &mPP;
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clang::ASTContext &mCtx;
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PragmaList *mPragmas;
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// Precision specified via pragma, either rs_fp_full or rs_fp_relaxed. If
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// empty, rs_fp_full is assumed.
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std::string mPrecision;
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unsigned int mTargetAPI;
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bool mVerbose;
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const llvm::DataLayout &mDataLayout;
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llvm::LLVMContext &mLLVMContext;
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ExportableList mExportables;
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NeedExportTypeSet mNeedExportTypes;
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std::string *mLicenseNote;
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std::string mReflectJavaPackageName;
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std::string mReflectJavaPathName;
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std::string mRSPackageName;
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int version;
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std::unique_ptr<clang::MangleContext> mMangleCtx;
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bool mIs64Bit;
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bool processExportVar(const clang::VarDecl *VD);
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bool processExportFunc(const clang::FunctionDecl *FD);
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bool processExportType(const llvm::StringRef &Name);
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int getForEachSlotNumber(const clang::StringRef& funcName);
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unsigned mNextSlot;
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// For diagnostic purposes, we record the order in which we parse
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// foreach kernels -- which is not necessarily the same order in
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// which they appear in mExportForEach.
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unsigned mNextForEachOrdinal;
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ExportVarList mExportVars;
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ExportFuncList mExportFuncs;
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std::map<llvm::StringRef, unsigned> mExportForEachMap;
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ExportForEachVector mExportForEach;
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ExportForEachVector::iterator mFirstOldStyleKernel;
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ExportReduceList mExportReduce;
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ExportReduceResultTypeSet mExportReduceResultType;
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ExportTypeMap mExportTypes;
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clang::QualType mAllocationType;
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clang::QualType mScriptCallType;
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std::set<const clang::FunctionDecl *> mUsedByReducePragmaFns;
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// Populated by markUsedByReducePragma().
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// Consumed by processReducePragmas().
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std::vector<clang::VarDecl *> mUsedByReducePragmaDummyVars;
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public:
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RSContext(clang::Preprocessor &PP,
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clang::ASTContext &Ctx,
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const clang::TargetInfo &Target,
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PragmaList *Pragmas,
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unsigned int TargetAPI,
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bool Verbose);
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enum CheckName { CheckNameNo, CheckNameYes };
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static bool isSyntheticName(const llvm::StringRef Name) { return Name.startswith(".rs."); }
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inline clang::Preprocessor &getPreprocessor() const { return mPP; }
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inline clang::ASTContext &getASTContext() const { return mCtx; }
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inline clang::MangleContext &getMangleContext() const {
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return *mMangleCtx;
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}
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inline const llvm::DataLayout &getDataLayout() const { return mDataLayout; }
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inline llvm::LLVMContext &getLLVMContext() const { return mLLVMContext; }
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inline const clang::SourceManager *getSourceManager() const {
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return &mPP.getSourceManager();
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}
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inline clang::DiagnosticsEngine *getDiagnostics() const {
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return &mPP.getDiagnostics();
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}
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inline unsigned int getTargetAPI() const {
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return mTargetAPI;
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}
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inline bool getVerbose() const {
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return mVerbose;
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}
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inline bool is64Bit() const {
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return mIs64Bit;
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}
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inline void setLicenseNote(const std::string &S) {
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mLicenseNote = new std::string(S);
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}
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inline const std::string *getLicenseNote() const { return mLicenseNote; }
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inline void addExportType(const std::string &S) {
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mNeedExportTypes.insert(S);
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}
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inline void setReflectJavaPackageName(const std::string &S) {
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mReflectJavaPackageName = S;
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}
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inline const std::string &getReflectJavaPackageName() const {
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return mReflectJavaPackageName;
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}
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inline void setRSPackageName(const std::string &S) {
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mRSPackageName = S;
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}
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inline const std::string &getRSPackageName() const { return mRSPackageName; }
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void setAllocationType(const clang::TypeDecl* TD);
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inline const clang::QualType& getAllocationType() const {
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return mAllocationType;
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}
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void setScriptCallType(const clang::TypeDecl* TD);
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inline const clang::QualType& getScriptCallType() const {
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return mScriptCallType;
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}
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bool addForEach(const clang::FunctionDecl* FD);
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bool processExports();
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inline void newExportable(RSExportable *E) {
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if (E != nullptr)
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mExportables.push_back(E);
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}
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typedef ExportableList::iterator exportable_iterator;
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exportable_iterator exportable_begin() {
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return mExportables.begin();
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}
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exportable_iterator exportable_end() {
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return mExportables.end();
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}
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typedef ExportVarList::const_iterator const_export_var_iterator;
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const_export_var_iterator export_vars_begin() const {
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return mExportVars.begin();
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}
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const_export_var_iterator export_vars_end() const {
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return mExportVars.end();
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}
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inline bool hasExportVar() const {
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return !mExportVars.empty();
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}
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size_t export_vars_size() const {
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return mExportVars.size();
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}
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typedef ExportFuncList::const_iterator const_export_func_iterator;
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const_export_func_iterator export_funcs_begin() const {
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return mExportFuncs.begin();
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}
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const_export_func_iterator export_funcs_end() const {
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return mExportFuncs.end();
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}
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inline bool hasExportFunc() const { return !mExportFuncs.empty(); }
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size_t export_funcs_size() const {
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return mExportFuncs.size();
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}
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typedef ExportForEachVector::const_iterator const_export_foreach_iterator;
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const_export_foreach_iterator export_foreach_begin() const {
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return mExportForEach.begin();
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}
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const_export_foreach_iterator export_foreach_end() const {
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return mExportForEach.end();
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}
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inline bool hasExportForEach() const { return !mExportForEach.empty(); }
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int getForEachSlotNumber(const clang::FunctionDecl* FD);
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// count up from zero
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unsigned getNextForEachOrdinal() { return mNextForEachOrdinal++; }
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unsigned getNumAssignedForEachOrdinals() const { return mNextForEachOrdinal; }
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typedef ExportReduceList::const_iterator const_export_reduce_iterator;
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const_export_reduce_iterator export_reduce_begin() const {
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return mExportReduce.begin();
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}
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const_export_reduce_iterator export_reduce_end() const {
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return mExportReduce.end();
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}
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size_t export_reduce_size() const {
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return mExportReduce.size();
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}
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inline bool hasExportReduce() const { return !mExportReduce.empty(); }
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void addExportReduce(RSExportReduce *Reduce) {
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mExportReduce.push_back(Reduce);
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}
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bool processReducePragmas(Backend *BE);
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void markUsedByReducePragma(clang::FunctionDecl *FD, CheckName Check);
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// If the type has already been inserted, has no effect.
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void insertExportReduceResultType(RSExportType *Type) { mExportReduceResultType.insert(Type); }
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template <class FilterIn, class Compare>
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std::vector<RSExportType *> getReduceResultTypes(FilterIn Filt, Compare Comp) const {
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std::vector<RSExportType *> Return;
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std::copy_if(mExportReduceResultType.begin(), mExportReduceResultType.end(), std::back_inserter(Return), Filt);
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std::sort(Return.begin(), Return.end(), Comp);
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auto ReturnNewEndIter = std::unique(Return.begin(), Return.end(),
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[Comp](const RSExportType *a, const RSExportType *b) {
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return !Comp(a, b) && !Comp(b, a);
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});
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Return.erase(ReturnNewEndIter, Return.end());
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return Return;
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}
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typedef ExportTypeMap::iterator export_type_iterator;
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typedef ExportTypeMap::const_iterator const_export_type_iterator;
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export_type_iterator export_types_begin() { return mExportTypes.begin(); }
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export_type_iterator export_types_end() { return mExportTypes.end(); }
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const_export_type_iterator export_types_begin() const {
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return mExportTypes.begin();
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}
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const_export_type_iterator export_types_end() const {
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return mExportTypes.end();
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}
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inline bool hasExportType() const { return !mExportTypes.empty(); }
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export_type_iterator findExportType(const llvm::StringRef &TypeName) {
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return mExportTypes.find(TypeName);
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}
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const_export_type_iterator findExportType(const llvm::StringRef &TypeName)
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const {
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return mExportTypes.find(TypeName);
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}
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// Insert the specified Typename/Type pair into the map. If the key already
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// exists in the map, return false and ignore the request, otherwise insert it
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// and return true.
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bool insertExportType(const llvm::StringRef &TypeName, RSExportType *Type);
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int getVersion() const { return version; }
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void setVersion(int v) {
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version = v;
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}
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bool isCompatLib() const {
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// If we are not targeting the actual Android Renderscript classes,
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// we should reflect code that works with the compatibility library.
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return (mRSPackageName.compare("android.renderscript") != 0);
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}
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void addPragma(const std::string &T, const std::string &V) {
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mPragmas->push_back(make_pair(T, V));
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}
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void setPrecision(const std::string &P) { mPrecision = P; }
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std::string getPrecision() { return mPrecision; }
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// Report an error or a warning to the user.
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template <unsigned N>
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clang::DiagnosticBuilder Report(clang::DiagnosticsEngine::Level Level,
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const char (&Message)[N]) const {
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clang::DiagnosticsEngine *DiagEngine = getDiagnostics();
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return DiagEngine->Report(DiagEngine->getCustomDiagID(Level, Message));
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}
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template <unsigned N>
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clang::DiagnosticBuilder Report(clang::DiagnosticsEngine::Level Level,
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const clang::SourceLocation Loc,
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const char (&Message)[N]) const {
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clang::DiagnosticsEngine *DiagEngine = getDiagnostics();
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const clang::SourceManager *SM = getSourceManager();
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return DiagEngine->Report(clang::FullSourceLoc(Loc, *SM),
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DiagEngine->getCustomDiagID(Level, Message));
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}
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// Utility functions to report errors and warnings to make the calling code
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// easier to read.
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template <unsigned N>
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clang::DiagnosticBuilder ReportError(const char (&Message)[N]) const {
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return Report<N>(clang::DiagnosticsEngine::Error, Message);
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}
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template <unsigned N>
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clang::DiagnosticBuilder ReportError(const clang::SourceLocation Loc,
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const char (&Message)[N]) const {
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return Report<N>(clang::DiagnosticsEngine::Error, Loc, Message);
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}
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template <unsigned N>
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clang::DiagnosticBuilder ReportWarning(const char (&Message)[N]) const {
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return Report<N>(clang::DiagnosticsEngine::Warning, Message);
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}
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template <unsigned N>
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clang::DiagnosticBuilder ReportWarning(const clang::SourceLocation Loc,
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const char (&Message)[N]) const {
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return Report<N>(clang::DiagnosticsEngine::Warning, Loc, Message);
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}
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~RSContext();
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};
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} // namespace slang
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#endif // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_CONTEXT_H_ NOLINT
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