Made GetVariableValue() more robust in the face

of failures in the AST importer.  Also ensured
that a variable will not be blindly added if
GetVariableValue() returns an error.

llvm-svn: 119889

1 files changed, 11 insertions, 0 deletions

diff --git a/lldb/source/Expression/ClangExpressionDeclMap.cpp b/lldb/source/Expression/ClangExpressionDeclMap.cpp
index f2d2bc9..b6427cc 100644
--- a/lldb/source/Expression/ClangExpressionDeclMap.cpp
+++ b/lldb/source/Expression/ClangExpressionDeclMap.cpp
@@ -1220,6 +1220,14 @@ ClangExpressionDeclMap::GetVariableValue
     {
         type_to_use = GuardedCopyType(parser_ast_context, var_ast_context, var_opaque_type);
         
+        if (!type_to_use)
+        {
+            if (log)
+                log->Printf("Couldn't copy a variable's type into the parser's AST context");
+            
+            return NULL;
+        }
+        
         if (parser_type)
             *parser_type = TypeFromParser(type_to_use, parser_ast_context);
     }
@@ -1271,6 +1279,9 @@ ClangExpressionDeclMap::AddOneVariable(NameSearchContext &context,
                                             &ut,
                                             &pt);
     
+    if (!var_location)
+        return;
+    
     NamedDecl *var_decl = context.AddVarDecl(pt.GetOpaqueQualType());
     
     ClangExpressionVariable &entity(m_found_entities.VariableAtIndex(m_found_entities.CreateVariable()));