Support partial interface for test support idls

Source/core/scripts/action_derivedsourcesallinone.py

Index: Source/core/scripts/action_derivedsourcesallinone.py
diff --git a/Source/core/scripts/action_derivedsourcesallinone.py b/Source/core/scripts/action_derivedsourcesallinone.py
index fec5088917a9e24775662d03a2aa2a5b268422d1..11014f6efc83c5ab6b78153150e925ac6f09c2b3 100644
--- a/Source/core/scripts/action_derivedsourcesallinone.py
+++ b/Source/core/scripts/action_derivedsourcesallinone.py
@@ -198,19 +198,19 @@ def main(args):
     inputFileName = args[1]
     outputFileNames = args[inOutBreakIndex+1:]
 
-    inputFile = open(inputFileName, 'r')
     idlFileNames = []
     cygdriveNames = []
-    for line in inputFile:
-        idlFileName = line.rstrip().split(' ')[0]
-        if idlFileName.startswith("/cygdrive"):
-            cygdriveNames.append(idlFileName)
-        else:
-            idlFileNames.append(idlFileName)
+    with open(inputFileName) as inputFile:
+        for line in inputFile:
+            idlFileName = line.rstrip()
+            if idlFileName.startswith('/cygdrive'):
+                cygdriveNames.append(idlFileName)
+            else:
+                idlFileNames.append(idlFileName)
+    inputFile.close()
 
     if cygdriveNames:
         idlFileNames.extend(resolveCygpath(cygdriveNames))
-    inputFile.close()
 
     filesMetaData = extractMetaData(idlFileNames)
     for fileName in outputFileNames: