| /* |
| * Copyright 2015, 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. |
| */ |
| |
| #ifndef _FRAMEWORKS_COMPILE_SLANG_RS_FOREACH_LOWERING_H |
| #define _FRAMEWORKS_COMPILE_SLANG_RS_FOREACH_LOWERING_H |
| |
| #include "clang/AST/StmtVisitor.h" |
| |
| namespace clang { |
| class ASTContext; |
| class CallExpr; |
| class Expr; |
| class FunctionDecl; |
| } |
| |
| namespace slang { |
| |
| class RSContext; |
| |
| class RSForEachLowering : public clang::StmtVisitor<RSForEachLowering> { |
| public: |
| explicit RSForEachLowering(RSContext* ctxt); |
| |
| // Given a FunctionDecl FD and the target API level, either translates all |
| // rsForEach() and rsForEachWithOptions() calls inside FD into calls to the |
| // low-level rsForEachInternal() API, if FD is not a kernel function itself; |
| // or, in the case where FD is a kernel function, reports a compiler error on |
| // any calls to either kernel launching API function. |
| void handleForEachCalls(clang::FunctionDecl* FD, unsigned int targetAPI); |
| |
| void VisitCallExpr(clang::CallExpr *CE); |
| void VisitStmt(clang::Stmt *S); |
| |
| private: |
| RSContext* mCtxt; |
| clang::ASTContext& mASTCtxt; |
| // A flag, if true, indicating that the visitor is walking inside a kernel |
| // function, in which case any call to rsForEach() or rsForEachWithOptions() |
| // is a compiler error. |
| bool mInsideKernel; |
| |
| const clang::FunctionDecl* matchFunctionDesignator(clang::Expr* expr); |
| const clang::FunctionDecl* matchKernelLaunchCall(clang::CallExpr* CE, |
| int* slot, |
| bool* hasOptions); |
| clang::FunctionDecl* CreateForEachInternalFunctionDecl(); |
| clang::Expr* CreateCalleeExprForInternalForEach(); |
| }; // RSForEachLowering |
| |
| } // namespace slang |
| |
| #endif // _FRAMEWORKS_COMPILE_SLANG_RS_FOREACH_LOWERING_H |