add table pregeneration script for pmetric

experimental/skpdiff/SkDiffContext.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmap.h"
 #include "SkImageDecoder.h"
 #include "SkOSFile.h"
@@ skipping 83 matching lines @@
 
 void SkDiffContext::diffDirectories(const char baselinePath[], const char testPath[]) {
     // Get the files in the baseline, we will then look for those inside the test path
     SkTArray<SkString> baselineEntries;
     if (!get_directory(baselinePath, &baselineEntries)) {
         SkDebugf("Unable to open path \"%s\"\n", baselinePath);
         return;
     }
 
     for (int baselineIndex = 0; baselineIndex < baselineEntries.count(); baselineIndex++) {
+        SkDebugf("[%i/%i] ", baselineIndex, baselineEntries.count());
         const char* baseFilename = baselineEntries[baselineIndex].c_str();
 
         // Find the real location of each file to compare
         SkString baselineFile = SkOSPath::SkPathJoin(baselinePath, baseFilename);
         SkString testFile = SkOSPath::SkPathJoin(testPath, baseFilename);
 
         // Check that the test file exists and is a file
         if (sk_exists(testFile.c_str()) && !sk_isdir(testFile.c_str())) {
             // Queue up the comparison with the differ
             this->addDiff(baselineFile.c_str(), testFile.c_str());
@@ skipping 19 matching lines @@
         SkDebugf("Unable to get pattern \"%s\"\n", testPattern);
         return;
     }
 
     if (baselineEntries.count() != testEntries.count()) {
         SkDebugf("Baseline and test patterns do not yield corresponding number of files\n");
         return;
     }
 
     for (int entryIndex = 0; entryIndex < baselineEntries.count(); entryIndex++) {
+        SkDebugf("[%i/%i] ", entryIndex, baselineEntries.count());
         const char* baselineFilename = baselineEntries[entryIndex].c_str();
         const char* testFilename     = testEntries    [entryIndex].c_str();
 
         this->addDiff(baselineFilename, testFilename);
     }
 }
 
 void SkDiffContext::outputRecords(SkWStream& stream, bool useJSONP) {
     DiffRecord* currentRecord = fRecords;
     if (useJSONP) {
@@ skipping 68 matching lines @@
     }
     stream.writeText("    ]\n");
     if (useJSONP) {
         stream.writeText("};\n");
     }
     else
     {
         stream.writeText("}\n");
     }
 }