Vendor import of clang trunk r126079:

http://llvm.org/svn/llvm-project/cfe/trunk@126079

1 files changed, 9 insertions, 14 deletions

diff --git a/include/clang/Sema/Scope.h b/include/clang/Sema/Scope.h
index 4229c6c..d7fda35 100644
--- a/include/clang/Sema/Scope.h
+++ b/include/clang/Sema/Scope.h
@@ -14,6 +14,7 @@
 #ifndef LLVM_CLANG_SEMA_SCOPE_H
 #define LLVM_CLANG_SEMA_SCOPE_H
 
+#include "clang/Basic/Diagnostic.h"
 #include "llvm/ADT/SmallPtrSet.h"
 
 namespace clang {
@@ -52,7 +53,7 @@ public:
     /// ClassScope - The scope of a struct/union/class definition.
     ClassScope = 0x20,
 
-    /// BlockScope - This is a scope that corresponds to a block object.
+    /// BlockScope - This is a scope that corresponds to a block/closure object.
     /// Blocks serve as top-level scopes for some objects like labels, they
     /// also prevent things like break and continue.  BlockScopes always have
     /// the FnScope, BreakScope, ContinueScope, and DeclScope flags set as well.
@@ -131,11 +132,12 @@ private:
   typedef llvm::SmallVector<UsingDirectiveDecl *, 2> UsingDirectivesTy;
   UsingDirectivesTy UsingDirectives;
 
-  /// \brief The number of errors at the start of the given scope.
-  unsigned NumErrorsAtStart;
+  /// \brief Used to determine if errors occurred in this scope.
+  DiagnosticErrorTrap ErrorTrap;
   
 public:
-  Scope(Scope *Parent, unsigned ScopeFlags) {
+  Scope(Scope *Parent, unsigned ScopeFlags, Diagnostic &Diag)
+    : ErrorTrap(Diag) {
     Init(Parent, ScopeFlags);
   }
 
@@ -144,8 +146,7 @@ public:
   unsigned getFlags() const { return Flags; }
   void setFlags(unsigned F) { Flags = F; }
 
-  /// isBlockScope - Return true if this scope does not correspond to a
-  /// closure.
+  /// isBlockScope - Return true if this scope correspond to a closure.
   bool isBlockScope() const { return Flags & BlockScope; }
 
   /// getParent - Return the scope that this is nested in.
@@ -214,13 +215,7 @@ public:
   void* getEntity() const { return Entity; }
   void setEntity(void *E) { Entity = E; }
 
-  /// \brief Retrieve the number of errors that had been emitted when we
-  /// entered this scope.
-  unsigned getNumErrorsAtStart() const { return NumErrorsAtStart; }
-  
-  void setNumErrorsAtStart(unsigned NumErrors) {
-    NumErrorsAtStart = NumErrors;
-  }
+  bool hasErrorOccurred() const { return ErrorTrap.hasErrorOccurred(); }
                            
   /// isClassScope - Return true if this scope is a class/struct/union scope.
   bool isClassScope() const {
@@ -318,7 +313,7 @@ public:
     DeclsInScope.clear();
     UsingDirectives.clear();
     Entity = 0;
-    NumErrorsAtStart = 0;
+    ErrorTrap.reset();
   }
 };