add pathops debugging

src/pathops/SkPathOpsDebug.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef SkPathOpsDebug_DEFINED
 #define SkPathOpsDebug_DEFINED
 
 #include "SkPathOps.h"
@@ skipping 31 matching lines @@
 #if FORCE_RELEASE
 
 #define DEBUG_ACTIVE_OP 0
 #define DEBUG_ACTIVE_SPANS 0
 #define DEBUG_ADD_INTERSECTING_TS 0
 #define DEBUG_ADD_T 0
 #define DEBUG_ALIGNMENT 0
 #define DEBUG_ANGLE 0
 #define DEBUG_ASSEMBLE 0
 #define DEBUG_COINCIDENCE 0
+#define DEBUG_COINCIDENCE_ORDER 0
 #define DEBUG_COINCIDENCE_VERBOSE 0
 #define DEBUG_CUBIC_BINARY_SEARCH 0
 #define DEBUG_CUBIC_SPLIT 0
 #define DEBUG_DUMP_SEGMENTS 0
 #define DEBUG_FLOW 0
 #define DEBUG_LIMIT_WIND_SUM 0
 #define DEBUG_MARK_DONE 0
 #define DEBUG_PATH_CONSTRUCTION 0
 #define DEBUG_PERP 0
 #define DEBUG_SHOW_TEST_NAME 0
 #define DEBUG_SORT 0
 #define DEBUG_T_SECT 0
 #define DEBUG_T_SECT_DUMP 0
 #define DEBUG_T_SECT_LOOP_COUNT 0
 #define DEBUG_VALIDATE 0
 #define DEBUG_WINDING 0
 #define DEBUG_WINDING_AT_T 0
 
-
 #else
 
 #define DEBUG_ACTIVE_OP 1
 #define DEBUG_ACTIVE_SPANS 1
 #define DEBUG_ADD_INTERSECTING_TS 1
 #define DEBUG_ADD_T 1
 #define DEBUG_ALIGNMENT 0
 #define DEBUG_ANGLE 1
 #define DEBUG_ASSEMBLE 1
 #define DEBUG_COINCIDENCE 01
+#define DEBUG_COINCIDENCE_ORDER 0
 #define DEBUG_COINCIDENCE_VERBOSE 01
 #define DEBUG_CUBIC_BINARY_SEARCH 0
 #define DEBUG_CUBIC_SPLIT 1
 #define DEBUG_DUMP_SEGMENTS 1
 #define DEBUG_FLOW 1
 #define DEBUG_LIMIT_WIND_SUM 15
 #define DEBUG_MARK_DONE 1
 #define DEBUG_PATH_CONSTRUCTION 1
 #define DEBUG_PERP 1
 #define DEBUG_SHOW_TEST_NAME 1
@@ skipping 57 matching lines @@
 #define PT_DEBUG_DATA(i, n) i.pt(n).asSkPoint().fX, i.pt(n).asSkPoint().fY
 
 #ifndef DEBUG_TEST
 #define DEBUG_TEST 0
 #endif
 
 #if DEBUG_SHOW_TEST_NAME
 #include "SkTLS.h"
 #endif
 
+#define FAIL_IF(cond) do { bool fail = (cond); SkOPASSERT(!fail); if (fail) return false; } \
+        while (false)
+
+#define RETURN_FALSE_IF(abort, cond) \
+        do { bool fail = (cond); SkOPASSERT(!(abort) || !fail); if (fail) return false; } \
+        while (false)
+
 class SkPathOpsDebug {
 public:
     static const char* kLVerbStr[];
     struct GlitchLog;
 
 #if defined(SK_DEBUG) || !FORCE_RELEASE
     static int gContourID;
     static int gSegmentID;
 #endif
 
@@ skipping 65 matching lines @@
     static const class SkOpSpanBase* DebugSpanSpan(const class SkOpSpanBase*, int id);
 };
 
 struct SkDQuad;
 
 // generates tools/path_sorter.htm and path_visualizer.htm compatible data
 void DumpQ(const SkDQuad& quad1, const SkDQuad& quad2, int testNo);
 void DumpT(const SkDQuad& quad, double t);
 
 #endif