The plain Makefile was using -Wall, but the gyp build wasn't.  This CL turns on
-Wall -Wextra and -Wno-unused in common.gypi.  This revealed a lot of warnings
(and some actual bugs), all of which I fixed here.  This is pretty mindless
stuff for the most part (order of intialization, missing initializers, && within
||, etc), but will allow us to build cleanly with -Wall and -Wextra (and
-Werror, if we so choose).

I put defaults into switches that were missing cases.  I could put in the actual
missing enums instead if that's desired.  I could also assert on missing enums
instead of break, if that's desired.  I wasn't sure how to test the stuff in
"animator", so that should be looked at a bit more closely.

Review URL:  http://codereview.appspot.com/4547055/



git-svn-id: http://skia.googlecode.com/svn/trunk@1386 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/animator/SkScriptDecompile.cpp b/src/animator/SkScriptDecompile.cpp
index d582d33..98db1fb 100644
--- a/src/animator/SkScriptDecompile.cpp
+++ b/src/animator/SkScriptDecompile.cpp
@@ -114,7 +114,7 @@
 // check to see that there are no missing or duplicate entries
 void SkScriptEngine2::ValidateDecompileTable() {
     SkScriptEngine2::TypeOp op = SkScriptEngine2::kNop;
-    int index;
+    size_t index;
     for (index = 0; index < gOpNamesSize; index++) {
         SkASSERT(gOpNames[index].fOp == op);
         op = (SkScriptEngine2::TypeOp) (op + 1);
@@ -132,9 +132,9 @@
     SkASSERT(length > 0);
     const unsigned char* opCode = start;
     do {
-        SkASSERT(opCode - start < length);
+        SkASSERT((size_t)(opCode - start) < length);
         SkScriptEngine2::TypeOp op = (SkScriptEngine2::TypeOp) *opCode++;
-        SkASSERT(op < gOpNamesSize);
+        SkASSERT((size_t)op < gOpNamesSize);
         SkDebugf("%d: %s", opCode - start - 1, gOpNames[op].fName);
         switch (op) {
         case SkScriptEngine2::kCallback: {
@@ -184,7 +184,7 @@
             SkOperand2::OpType type;
             memcpy(&type, opCode, sizeof(type));
             opCode += sizeof(type);
-            int index = 0;
+            size_t index = 0;
             if (type == 0)
                 SkDebugf(" type: %s", gOperandNames[index].fName);
             else {
@@ -211,6 +211,8 @@
             goto done;
         case SkScriptEngine2::kNop:
                 SkASSERT(0);
+        default:
+            break;
     }
     SkDebugf("\n");
     } while (true);