clang-1/lib/Sema/SemaStmtAttr.cpp

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1.5 KiB
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//===--- SemaStmtAttr.cpp - Statement Attribute Handling ------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements stmt-related attribute processing.
//
//===----------------------------------------------------------------------===//
#include "clang/Sema/SemaInternal.h"
#include "TargetAttributesSema.h"
#include "clang/AST/ASTContext.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Sema/DelayedDiagnostic.h"
#include "clang/Sema/Lookup.h"
#include "llvm/ADT/StringExtras.h"
using namespace clang;
using namespace sema;
static Attr *ProcessStmtAttribute(Sema &S, Stmt *St, const AttributeList &A) {
switch (A.getKind()) {
default:
// if we're here, then we parsed an attribute, but didn't recognize it as a
// statement attribute => it is declaration attribute
S.Diag(A.getRange().getBegin(), diag::warn_attribute_invalid_on_stmt) <<
A.getName()->getName();
return 0;
}
}
StmtResult Sema::ProcessStmtAttributes(Stmt *S, AttributeList *AttrList,
SourceRange Range) {
AttrVec Attrs;
for (const AttributeList* l = AttrList; l; l = l->getNext()) {
if (Attr *a = ProcessStmtAttribute(*this, S, *l))
Attrs.push_back(a);
}
if (Attrs.empty())
return S;
return ActOnAttributedStmt(Range.getBegin(), Attrs, S);
}