1 //===--- SemaStmtAttr.cpp - Statement Attribute Handling ------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file implements stmt-related attribute processing. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "clang/Sema/SemaInternal.h" 15 #include "TargetAttributesSema.h" 16 #include "clang/AST/ASTContext.h" 17 #include "clang/Basic/SourceManager.h" 18 #include "clang/Sema/DelayedDiagnostic.h" 19 #include "clang/Sema/Lookup.h" 20 #include "llvm/ADT/StringExtras.h" 21 using namespace clang; 22 using namespace sema; 23 24 25 static Attr *ProcessStmtAttribute(Sema &S, Stmt *St, const AttributeList &A) { 26 switch (A.getKind()) { 27 default: 28 // if we're here, then we parsed an attribute, but didn't recognize it as a 29 // statement attribute => it is declaration attribute 30 S.Diag(A.getRange().getBegin(), diag::warn_attribute_invalid_on_stmt) << 31 A.getName()->getName(); 32 return 0; 33 } 34 } 35 36 StmtResult Sema::ProcessStmtAttributes(Stmt *S, AttributeList *AttrList, 37 SourceRange Range) { 38 AttrVec Attrs; 39 for (const AttributeList* l = AttrList; l; l = l->getNext()) { 40 if (Attr *a = ProcessStmtAttribute(*this, S, *l)) 41 Attrs.push_back(a); 42 } 43 44 if (Attrs.empty()) 45 return S; 46 47 return ActOnAttributedStmt(Range.getBegin(), Attrs, S); 48 } 49
