1 /* 2 * Copyright 2012, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_CHECK_AST_H_ // NOLINT 18 #define _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_CHECK_AST_H_ 19 20 #include "slang_assert.h" 21 #include "clang/AST/ASTContext.h" 22 #include "clang/AST/StmtVisitor.h" 23 24 namespace slang { 25 26 // This class is designed to walk a Renderscript/Filterscript AST looking for 27 // violations. Examples of violations for FS are pointer declarations and 28 // casts (i.e. no pointers allowed in FS whatsoever). 29 class RSCheckAST : public clang::StmtVisitor<RSCheckAST> { 30 private: 31 clang::ASTContext &C; 32 clang::DiagnosticsEngine &mDiagEngine; 33 clang::SourceManager &mSM; 34 bool mValid; 35 unsigned int mTargetAPI; 36 bool mIsFilterscript; 37 bool mInKernel; 38 39 public: 40 explicit RSCheckAST(clang::ASTContext &Con, unsigned int TargetAPI, 41 bool IsFilterscript) 42 : C(Con), mDiagEngine(Con.getDiagnostics()), mSM(C.getSourceManager()), 43 mValid(true), mTargetAPI(TargetAPI), mIsFilterscript(IsFilterscript), 44 mInKernel(false) { 45 return; 46 } 47 48 void VisitStmt(clang::Stmt *S); 49 50 void VisitExpr(clang::Expr *E); 51 52 void VisitDeclStmt(clang::DeclStmt *DS); 53 54 void ValidateFunctionDecl(clang::FunctionDecl *FD); 55 56 void ValidateVarDecl(clang::VarDecl *VD); 57 58 bool Validate(); 59 }; 60 61 } // namespace slang 62 63 #endif // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_CHECK_AST_H_ NOLINT 64
