[Lldb-commits] [lldb] r180215 - Fixed expression parser handling of empty strings.

[Sean Callanan]

Author: spyffe
Date: Wed Apr 24 14:50:12 2013
New Revision: 180215

URL: http://llvm.org/viewvc/llvm-project?rev=180215&view=rev
Log:
Fixed expression parser handling of empty strings.

<rdar://problem/12977827>

Modified:
    lldb/trunk/source/Expression/IRForTarget.cpp
    lldb/trunk/test/lang/c/strings/TestCStrings.py

Modified: lldb/trunk/source/Expression/IRForTarget.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Expression/IRForTarget.cpp?rev=180215&r1=180214&r2=180215&view=diff
==============================================================================
--- lldb/trunk/source/Expression/IRForTarget.cpp (original)
+++ lldb/trunk/source/Expression/IRForTarget.cpp Wed Apr 24 14:50:12 2013
@@ -1465,6 +1465,11 @@ IRForTarget::MaterializeInitializer (uin
         }
         return true;
     }
+    else if (isa<ConstantAggregateZero>(initializer))
+    {
+        memset(data, 0, m_target_data->getTypeStoreSize(initializer_type));
+        return true;
+    }
     return false;
 }
 

Modified: lldb/trunk/test/lang/c/strings/TestCStrings.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/lang/c/strings/TestCStrings.py?rev=180215&r1=180214&r2=180215&view=diff
==============================================================================
--- lldb/trunk/test/lang/c/strings/TestCStrings.py (original)
+++ lldb/trunk/test/lang/c/strings/TestCStrings.py Wed Apr 24 14:50:12 2013
@@ -63,6 +63,9 @@ class CStringsTestCase(TestBase):
                     substrs = ['(char *) $', ' = 0x',
                                'hello'])
 
+        self.expect("p (int)strlen(\"\")",
+                    substrs = ['(int) $', ' = 0'])
+
 if __name__ == '__main__':
     import atexit
     lldb.SBDebugger.Initialize()