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-rw-r--r--clang/lib/Sema/TreeTransform.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h
index a7dc920f848..a639f5f3034 100644
--- a/clang/lib/Sema/TreeTransform.h
+++ b/clang/lib/Sema/TreeTransform.h
@@ -1228,6 +1228,28 @@ public:
return getSema().ActOnCXXTryBlock(TryLoc, TryBlock, move(Handlers));
}
+ /// \brief Build a new C++0x range-based for statement.
+ ///
+ /// By default, performs semantic analysis to build the new statement.
+ /// Subclasses may override this routine to provide different behavior.
+ StmtResult RebuildCXXForRangeStmt(SourceLocation ForLoc,
+ SourceLocation ColonLoc,
+ Stmt *Range, Stmt *BeginEnd,
+ Expr *Cond, Expr *Inc,
+ Stmt *LoopVar,
+ SourceLocation RParenLoc) {
+ return getSema().BuildCXXForRangeStmt(ForLoc, ColonLoc, Range, BeginEnd,
+ Cond, Inc, LoopVar, RParenLoc);
+ }
+
+ /// \brief Attach body to a C++0x range-based for statement.
+ ///
+ /// By default, performs semantic analysis to finish the new statement.
+ /// Subclasses may override this routine to provide different behavior.
+ StmtResult FinishCXXForRangeStmt(Stmt *ForRange, Stmt *Body) {
+ return getSema().FinishCXXForRangeStmt(ForRange, Body);
+ }
+
/// \brief Build a new expression that references a declaration.
///
/// By default, performs semantic analysis to build the new expression.
@@ -5352,6 +5374,61 @@ TreeTransform<Derived>::TransformCXXTryStmt(CXXTryStmt *S) {
move_arg(Handlers));
}
+template<typename Derived>
+StmtResult
+TreeTransform<Derived>::TransformCXXForRangeStmt(CXXForRangeStmt *S) {
+ StmtResult Range = getDerived().TransformStmt(S->getRangeStmt());
+ if (Range.isInvalid())
+ return StmtError();
+
+ StmtResult BeginEnd = getDerived().TransformStmt(S->getBeginEndStmt());
+ if (BeginEnd.isInvalid())
+ return StmtError();
+
+ ExprResult Cond = getDerived().TransformExpr(S->getCond());
+ if (Cond.isInvalid())
+ return StmtError();
+
+ ExprResult Inc = getDerived().TransformExpr(S->getInc());
+ if (Inc.isInvalid())
+ return StmtError();
+
+ StmtResult LoopVar = getDerived().TransformStmt(S->getLoopVarStmt());
+ if (LoopVar.isInvalid())
+ return StmtError();
+
+ StmtResult NewStmt = S;
+ if (getDerived().AlwaysRebuild() ||
+ Range.get() != S->getRangeStmt() ||
+ BeginEnd.get() != S->getBeginEndStmt() ||
+ Cond.get() != S->getCond() ||
+ Inc.get() != S->getInc() ||
+ LoopVar.get() != S->getLoopVarStmt())
+ NewStmt = getDerived().RebuildCXXForRangeStmt(S->getForLoc(),
+ S->getColonLoc(), Range.get(),
+ BeginEnd.get(), Cond.get(),
+ Inc.get(), LoopVar.get(),
+ S->getRParenLoc());
+
+ StmtResult Body = getDerived().TransformStmt(S->getBody());
+ if (Body.isInvalid())
+ return StmtError();
+
+ // Body has changed but we didn't rebuild the for-range statement. Rebuild
+ // it now so we have a new statement to attach the body to.
+ if (Body.get() != S->getBody() && NewStmt.get() == S)
+ NewStmt = getDerived().RebuildCXXForRangeStmt(S->getForLoc(),
+ S->getColonLoc(), Range.get(),
+ BeginEnd.get(), Cond.get(),
+ Inc.get(), LoopVar.get(),
+ S->getRParenLoc());
+
+ if (NewStmt.get() == S)
+ return SemaRef.Owned(S);
+
+ return FinishCXXForRangeStmt(NewStmt.get(), Body.get());
+}
+
//===----------------------------------------------------------------------===//
// Expression transformation
//===----------------------------------------------------------------------===//
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