[lldb] improve debug code

Author: adrian-prantl

lldb/test/API/lang/swift/tripleDetection/TestSwiftTripleDetection.py

@@ -25,16 +25,16 @@ def test(self):
         bkpt = target.BreakpointCreateByName("main")
         process = target.LaunchSimple(None, None, self.get_process_working_directory())
         self.expect("expression 1")
-        with open(types_log) as f:
+        with open(types_log,'rb') as f:
             import sys
-            for line in f:
+            for line in f.readlines():
                 s = ""
                 for c in line:
-                    if ord(c) > 127:
-                        s += '\\'+str(ord(c))
+                    if c > 127:
+                        s += '\\'+str(c)
                     else:
-                        s+=c
-                sys.stderr.write(line)
+                        s+=str(chr(c))
+                sys.stderr.write(s)
         self.filecheck('platform shell cat "%s"' % types_log, __file__)
         # CHECK: {{SwiftASTContextForExpressions.*Module triple: ".*-apple-macos.[0-9.]+"}}
         # CHECK: {{SwiftASTContextForExpressions.*Target triple: ".*-apple-macos-unknown"}}