Fix strings, remove stringify macros, void return types for Consts.h.

Replace multiple #defines of the same strings with externs.
Fix strings mangled by interaction of # and clang-format.
Remove macros as possible.
Make more JS_ functions void and simplify.

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1342433002 .

8 files changed, 280 insertions, 348 deletions

diff --git a/fpdfsdk/include/javascript/Consts.h b/fpdfsdk/include/javascript/Consts.h
index 778e2216f4..c6abd8549a 100644
--- a/fpdfsdk/include/javascript/Consts.h
+++ b/fpdfsdk/include/javascript/Consts.h
@@ -103,14 +103,14 @@ class CJS_Zoomtype : public CJS_Object {
 
 class CJS_GlobalConsts : public CJS_Object {
  public:
-  static int DefineJSObjects(v8::Isolate* pIsolate);
+  static void DefineJSObjects(v8::Isolate* pIsolate);
 };
 
 /* ------------------------------ CJS_GlobalArrays -------------------------- */
 
 class CJS_GlobalArrays : public CJS_Object {
  public:
-  static int DefineJSObjects(v8::Isolate* pIsolate);
+  static void DefineJSObjects(v8::Isolate* pIsolate);
 };
 
 #endif  // FPDFSDK_INCLUDE_JAVASCRIPT_CONSTS_H_
diff --git a/fpdfsdk/include/javascript/JS_Define.h b/fpdfsdk/include/javascript/JS_Define.h
index 0731212f67..ff9ab48817 100644
--- a/fpdfsdk/include/javascript/JS_Define.h
+++ b/fpdfsdk/include/javascript/JS_Define.h
@@ -189,52 +189,46 @@ void JSMethod(const char* method_name_string,
 /* ===================================== JS CLASS
  * =============================================== */
 
-#define DECLARE_JS_CLASS(js_class_name)                                    \
-  static void JSConstructor(IFXJS_Context* cc, v8::Local<v8::Object> obj,  \
-                            v8::Local<v8::Object> global);                 \
-  static void JSDestructor(v8::Local<v8::Object> obj);                     \
-  static int DefineJSObjects(v8::Isolate* pIsolate, FXJSOBJTYPE eObjType); \
-  static JSConstSpec JS_Class_Consts[];                                    \
-  static JSPropertySpec JS_Class_Properties[];                             \
-  static JSMethodSpec JS_Class_Methods[];                                  \
+#define DECLARE_JS_CLASS(js_class_name)                                     \
+  static void JSConstructor(IFXJS_Context* cc, v8::Local<v8::Object> obj,   \
+                            v8::Local<v8::Object> global);                  \
+  static void JSDestructor(v8::Local<v8::Object> obj);                      \
+  static void DefineJSObjects(v8::Isolate* pIsolate, FXJSOBJTYPE eObjType); \
+  static JSConstSpec JS_Class_Consts[];                                     \
+  static JSPropertySpec JS_Class_Properties[];                              \
+  static JSMethodSpec JS_Class_Methods[];                                   \
   static const wchar_t* m_pClassName
 
-#define IMPLEMENT_JS_CLASS_RICH(js_class_name, class_alternate, class_name)   \
-  const wchar_t* js_class_name::m_pClassName = JS_WIDESTRING(class_name);     \
-  void js_class_name::JSConstructor(IFXJS_Context* cc,                        \
-                                    v8::Local<v8::Object> obj,                \
-                                    v8::Local<v8::Object> global) {           \
-    CJS_Object* pObj = new js_class_name(obj);                                \
-    pObj->SetEmbedObject(new class_alternate(pObj));                          \
-    JS_SetPrivate(NULL, obj, (void*)pObj);                                    \
-    pObj->InitInstance(cc);                                                   \
-  }                                                                           \
-                                                                              \
-  void js_class_name::JSDestructor(v8::Local<v8::Object> obj) {               \
-    js_class_name* pObj = (js_class_name*)JS_GetPrivate(NULL, obj);           \
-    pObj->ExitInstance();                                                     \
-    delete pObj;                                                              \
-  }                                                                           \
-                                                                              \
-  int js_class_name::DefineJSObjects(v8::Isolate* pIsolate,                   \
-                                     FXJSOBJTYPE eObjType) {                  \
-    int nObjDefnID = JS_DefineObj(pIsolate, js_class_name::m_pClassName,      \
-                                  eObjType, JSConstructor, JSDestructor);     \
-    if (nObjDefnID < 0)                                                       \
-      return -1;                                                              \
-    for (int i = 0; i < FX_ArraySize(JS_Class_Properties) - 1; ++i) {         \
-      if (JS_DefineObjProperty(pIsolate, nObjDefnID,                          \
-                               JS_Class_Properties[i].pName,                  \
-                               JS_Class_Properties[i].pPropGet,               \
-                               JS_Class_Properties[i].pPropPut) < 0)          \
-        return -1;                                                            \
-    }                                                                         \
-    for (int i = 0; i < FX_ArraySize(JS_Class_Methods) - 1; ++i) {            \
-      if (JS_DefineObjMethod(pIsolate, nObjDefnID, JS_Class_Methods[i].pName, \
-                             JS_Class_Methods[i].pMethodCall) < 0)            \
-        return -1;                                                            \
-    }                                                                         \
-    return nObjDefnID;                                                        \
+#define IMPLEMENT_JS_CLASS_RICH(js_class_name, class_alternate, class_name)    \
+  const wchar_t* js_class_name::m_pClassName = JS_WIDESTRING(class_name);      \
+  void js_class_name::JSConstructor(IFXJS_Context* cc,                         \
+                                    v8::Local<v8::Object> obj,                 \
+                                    v8::Local<v8::Object> global) {            \
+    CJS_Object* pObj = new js_class_name(obj);                                 \
+    pObj->SetEmbedObject(new class_alternate(pObj));                           \
+    JS_SetPrivate(NULL, obj, (void*)pObj);                                     \
+    pObj->InitInstance(cc);                                                    \
+  }                                                                            \
+                                                                               \
+  void js_class_name::JSDestructor(v8::Local<v8::Object> obj) {                \
+    js_class_name* pObj = (js_class_name*)JS_GetPrivate(NULL, obj);            \
+    pObj->ExitInstance();                                                      \
+    delete pObj;                                                               \
+  }                                                                            \
+                                                                               \
+  void js_class_name::DefineJSObjects(v8::Isolate* pIsolate,                   \
+                                      FXJSOBJTYPE eObjType) {                  \
+    int nObjDefnID = JS_DefineObj(pIsolate, js_class_name::m_pClassName,       \
+                                  eObjType, JSConstructor, JSDestructor);      \
+    for (int i = 0; i < FX_ArraySize(JS_Class_Properties) - 1; ++i) {          \
+      JS_DefineObjProperty(pIsolate, nObjDefnID, JS_Class_Properties[i].pName, \
+                           JS_Class_Properties[i].pPropGet,                    \
+                           JS_Class_Properties[i].pPropPut);                   \
+    }                                                                          \
+    for (int i = 0; i < FX_ArraySize(JS_Class_Methods) - 1; ++i) {             \
+      JS_DefineObjMethod(pIsolate, nObjDefnID, JS_Class_Methods[i].pName,      \
+                         JS_Class_Methods[i].pMethodCall);                     \
+    }                                                                          \
   }
 
 #define IMPLEMENT_JS_CLASS(js_class_name, class_name) \
@@ -243,35 +237,24 @@ void JSMethod(const char* method_name_string,
 /* ======================================== CONST CLASS
  * ============================================ */
 
-#define DECLARE_JS_CLASS_CONST()                                           \
-  static int DefineJSObjects(v8::Isolate* pIsolate, FXJSOBJTYPE eObjType); \
-  static JSConstSpec JS_Class_Consts[];                                    \
+#define DECLARE_JS_CLASS_CONST()                                            \
+  static void DefineJSObjects(v8::Isolate* pIsolate, FXJSOBJTYPE eObjType); \
+  static JSConstSpec JS_Class_Consts[];                                     \
   static const wchar_t* m_pClassName
 
-#define IMPLEMENT_JS_CLASS_CONST(js_class_name, class_name)                   \
-  const wchar_t* js_class_name::m_pClassName = JS_WIDESTRING(class_name);     \
-  int js_class_name::DefineJSObjects(v8::Isolate* pIsolate,                   \
-                                     FXJSOBJTYPE eObjType) {                  \
-    int nObjDefnID = JS_DefineObj(pIsolate, js_class_name::m_pClassName,      \
-                                  eObjType, NULL, NULL);                      \
-    if (nObjDefnID >= 0) {                                                    \
-      for (int i = 0, sz = sizeof(JS_Class_Consts) / sizeof(JSConstSpec) - 1; \
-           i < sz; i++) {                                                     \
-        if (JS_Class_Consts[i].t == 0) {                                      \
-          if (JS_DefineObjConst(                                              \
-                  pIsolate, nObjDefnID, JS_Class_Consts[i].pName,             \
-                  JS_NewNumber(pIsolate, JS_Class_Consts[i].number)) < 0)     \
-            return -1;                                                        \
-        } else {                                                              \
-          if (JS_DefineObjConst(                                              \
-                  pIsolate, nObjDefnID, JS_Class_Consts[i].pName,             \
-                  JS_NewString(pIsolate, JS_Class_Consts[i].string)) < 0)     \
-            return -1;                                                        \
-        }                                                                     \
-      }                                                                       \
-      return nObjDefnID;                                                      \
-    }                                                                         \
-    return -1;                                                                \
+#define IMPLEMENT_JS_CLASS_CONST(js_class_name, class_name)               \
+  const wchar_t* js_class_name::m_pClassName = JS_WIDESTRING(class_name); \
+  void js_class_name::DefineJSObjects(v8::Isolate* pIsolate,              \
+                                      FXJSOBJTYPE eObjType) {             \
+    int nObjDefnID = JS_DefineObj(pIsolate, js_class_name::m_pClassName,  \
+                                  eObjType, NULL, NULL);                  \
+    for (int i = 0; i < FX_ArraySize(JS_Class_Consts) - 1; ++i) {         \
+      JS_DefineObjConst(                                                  \
+          pIsolate, nObjDefnID, JS_Class_Consts[i].pName,                 \
+          JS_Class_Consts[i].t == 0                                       \
+              ? JS_NewNumber(pIsolate, JS_Class_Consts[i].number)         \
+              : JS_NewString(pIsolate, JS_Class_Consts[i].string));       \
+    }                                                                     \
   }
 
 /* ===================================== SPECIAL JS CLASS
@@ -367,26 +350,26 @@ void JSSpecialPropDel(const char* class_name,
   }
 }
 
-#define DECLARE_SPECIAL_JS_CLASS(js_class_name)                            \
-  static void JSConstructor(IFXJS_Context* cc, v8::Local<v8::Object> obj,  \
-                            v8::Local<v8::Object> global);                 \
-  static void JSDestructor(v8::Local<v8::Object> obj);                     \
-  static JSConstSpec JS_Class_Consts[];                                    \
-  static JSPropertySpec JS_Class_Properties[];                             \
-  static JSMethodSpec JS_Class_Methods[];                                  \
-  static int DefineJSObjects(v8::Isolate* pIsolate, FXJSOBJTYPE eObjType); \
-  static const wchar_t* m_pClassName;                                      \
-  static void queryprop_##js_class_name##_static(                          \
-      v8::Local<v8::String> property,                                      \
-      const v8::PropertyCallbackInfo<v8::Integer>& info);                  \
-  static void getprop_##js_class_name##_static(                            \
-      v8::Local<v8::String> property,                                      \
-      const v8::PropertyCallbackInfo<v8::Value>& info);                    \
-  static void putprop_##js_class_name##_static(                            \
-      v8::Local<v8::String> property, v8::Local<v8::Value> value,          \
-      const v8::PropertyCallbackInfo<v8::Value>& info);                    \
-  static void delprop_##js_class_name##_static(                            \
-      v8::Local<v8::String> property,                                      \
+#define DECLARE_SPECIAL_JS_CLASS(js_class_name)                             \
+  static void JSConstructor(IFXJS_Context* cc, v8::Local<v8::Object> obj,   \
+                            v8::Local<v8::Object> global);                  \
+  static void JSDestructor(v8::Local<v8::Object> obj);                      \
+  static JSConstSpec JS_Class_Consts[];                                     \
+  static JSPropertySpec JS_Class_Properties[];                              \
+  static JSMethodSpec JS_Class_Methods[];                                   \
+  static void DefineJSObjects(v8::Isolate* pIsolate, FXJSOBJTYPE eObjType); \
+  static const wchar_t* m_pClassName;                                       \
+  static void queryprop_##js_class_name##_static(                           \
+      v8::Local<v8::String> property,                                       \
+      const v8::PropertyCallbackInfo<v8::Integer>& info);                   \
+  static void getprop_##js_class_name##_static(                             \
+      v8::Local<v8::String> property,                                       \
+      const v8::PropertyCallbackInfo<v8::Value>& info);                     \
+  static void putprop_##js_class_name##_static(                             \
+      v8::Local<v8::String> property, v8::Local<v8::Value> value,           \
+      const v8::PropertyCallbackInfo<v8::Value>& info);                     \
+  static void delprop_##js_class_name##_static(                             \
+      v8::Local<v8::String> property,                                       \
       const v8::PropertyCallbackInfo<v8::Boolean>& info)
 
 #define IMPLEMENT_SPECIAL_JS_CLASS(js_class_name, class_alternate, class_name) \
@@ -427,34 +410,26 @@ void JSSpecialPropDel(const char* class_name,
     delete pObj;                                                               \
   }                                                                            \
                                                                                \
-  int js_class_name::DefineJSObjects(v8::Isolate* pIsolate,                    \
-                                     FXJSOBJTYPE eObjType) {                   \
+  void js_class_name::DefineJSObjects(v8::Isolate* pIsolate,                   \
+                                      FXJSOBJTYPE eObjType) {                  \
     int nObjDefnID = JS_DefineObj(pIsolate, js_class_name::m_pClassName,       \
                                   eObjType, JSConstructor, JSDestructor);      \
-                                                                               \
-    if (nObjDefnID < 0)                                                        \
-      return -1;                                                               \
     for (int i = 0; i < FX_ArraySize(JS_Class_Properties) - 1; ++i) {          \
-      if (JS_DefineObjProperty(pIsolate, nObjDefnID,                           \
-                               JS_Class_Properties[i].pName,                   \
-                               JS_Class_Properties[i].pPropGet,                \
-                               JS_Class_Properties[i].pPropPut) < 0)           \
-        return -1;                                                             \
+      JS_DefineObjProperty(pIsolate, nObjDefnID, JS_Class_Properties[i].pName, \
+                           JS_Class_Properties[i].pPropGet,                    \
+                           JS_Class_Properties[i].pPropPut);                   \
     }                                                                          \
                                                                                \
     for (int i = 0; i < FX_ArraySize(JS_Class_Methods) - 1; ++i) {             \
-      if (JS_DefineObjMethod(pIsolate, nObjDefnID, JS_Class_Methods[i].pName,  \
-                             JS_Class_Methods[i].pMethodCall) < 0)             \
-        return -1;                                                             \
+      JS_DefineObjMethod(pIsolate, nObjDefnID, JS_Class_Methods[i].pName,      \
+                         JS_Class_Methods[i].pMethodCall);                     \
     }                                                                          \
-    if (JS_DefineObjAllProperties(                                             \
-            pIsolate, nObjDefnID,                                              \
-            js_class_name::queryprop_##js_class_name##_static,                 \
-            js_class_name::getprop_##js_class_name##_static,                   \
-            js_class_name::putprop_##js_class_name##_static,                   \
-            js_class_name::delprop_##js_class_name##_static) < 0)              \
-      return -1;                                                               \
-    return nObjDefnID;                                                         \
+    JS_DefineObjAllProperties(                                                 \
+        pIsolate, nObjDefnID,                                                  \
+        js_class_name::queryprop_##js_class_name##_static,                     \
+        js_class_name::getprop_##js_class_name##_static,                       \
+        js_class_name::putprop_##js_class_name##_static,                       \
+        js_class_name::delprop_##js_class_name##_static);                      \
   }
 
 /* ======================================== GLOBAL METHODS
@@ -493,7 +468,7 @@ void JSGlobalFunc(const char* func_name_string,
 
 #define JS_STATIC_DECLARE_GLOBAL_FUN()  \
   static JSMethodSpec global_methods[]; \
-  static int DefineJSObjects(v8::Isolate* pIsolate)
+  static void DefineJSObjects(v8::Isolate* pIsolate)
 
 #define BEGIN_JS_STATIC_GLOBAL_FUN(js_class_name) \
   JSMethodSpec js_class_name::global_methods[] = {
@@ -502,28 +477,14 @@ void JSGlobalFunc(const char* func_name_string,
 
 #define END_JS_STATIC_GLOBAL_FUN() END_JS_STATIC_METHOD()
 
-#define IMPLEMENT_JS_STATIC_GLOBAL_FUN(js_class_name)            \
-  int js_class_name::DefineJSObjects(v8::Isolate* pIsolate) {    \
-    for (int i = 0; i < FX_ArraySize(global_methods) - 1; ++i) { \
-      if (JS_DefineGlobalMethod(                                 \
-              pIsolate, js_class_name::global_methods[i].pName,  \
-              js_class_name::global_methods[i].pMethodCall) < 0) \
-        return -1;                                               \
-    }                                                            \
-    return 0;                                                    \
+#define IMPLEMENT_JS_STATIC_GLOBAL_FUN(js_class_name)                         \
+  void js_class_name::DefineJSObjects(v8::Isolate* pIsolate) {                \
+    for (int i = 0; i < FX_ArraySize(global_methods) - 1; ++i) {              \
+      JS_DefineGlobalMethod(pIsolate, js_class_name::global_methods[i].pName, \
+                            js_class_name::global_methods[i].pMethodCall);    \
+    }                                                                         \
   }
 
-/* ============================================================ */
-
-#define VALUE_NAME_STRING L"string"
-#define VALUE_NAME_NUMBER L"number"
-#define VALUE_NAME_BOOLEAN L"boolean"
-#define VALUE_NAME_DATE L"date"
-#define VALUE_NAME_OBJECT L"object"
-#define VALUE_NAME_FXOBJ L"fxobj"
-#define VALUE_NAME_NULL L"null"
-#define VALUE_NAME_UNDEFINED L"undefined"
-
 FXJSVALUETYPE GET_VALUE_TYPE(v8::Local<v8::Value> p);
 
 #endif  // FPDFSDK_INCLUDE_JAVASCRIPT_JS_DEFINE_H_
diff --git a/fpdfsdk/include/javascript/JS_Runtime.h b/fpdfsdk/include/javascript/JS_Runtime.h
index e93f8b3cbe..5ae6f1bc79 100644
--- a/fpdfsdk/include/javascript/JS_Runtime.h
+++ b/fpdfsdk/include/javascript/JS_Runtime.h
@@ -56,7 +56,7 @@ class CJS_Runtime : public IFXJS_Runtime {
   v8::Local<v8::Context> NewJSContext();
 
  private:
-  FX_BOOL DefineJSObjects();
+  void DefineJSObjects();
 
   CFX_ArrayTemplate<CJS_Context*> m_ContextArray;
   CPDFDoc_Environment* m_pApp;
diff --git a/fpdfsdk/include/jsapi/fxjs_v8.h b/fpdfsdk/include/jsapi/fxjs_v8.h
index 8e52c68845..4195686731 100644
--- a/fpdfsdk/include/jsapi/fxjs_v8.h
+++ b/fpdfsdk/include/jsapi/fxjs_v8.h
@@ -36,8 +36,14 @@ struct FXJSErr {
   unsigned linnum;
 };
 
-/* --------------------------------------------- API
- * --------------------------------------------- */
+extern const wchar_t kFXJSValueNameString[];
+extern const wchar_t kFXJSValueNameNumber[];
+extern const wchar_t kFXJSValueNameBoolean[];
+extern const wchar_t kFXJSValueNameDate[];
+extern const wchar_t kFXJSValueNameObject[];
+extern const wchar_t kFXJSValueNameFxobj[];
+extern const wchar_t kFXJSValueNameNull[];
+extern const wchar_t kFXJSValueNameUndefined[];
 
 class IFXJS_Context;
 class IFXJS_Runtime;
@@ -47,36 +53,38 @@ typedef void (*LP_CONSTRUCTOR)(IFXJS_Context* cc,
                                v8::Local<v8::Object> global);
 typedef void (*LP_DESTRUCTOR)(v8::Local<v8::Object> obj);
 
+// Always returns a valid, newly-created objDefnID.
 int JS_DefineObj(v8::Isolate* pIsolate,
                  const wchar_t* sObjName,
                  FXJSOBJTYPE eObjType,
                  LP_CONSTRUCTOR pConstructor,
                  LP_DESTRUCTOR pDestructor);
-int JS_DefineObjMethod(v8::Isolate* pIsolate,
+
+void JS_DefineObjMethod(v8::Isolate* pIsolate,
+                        int nObjDefnID,
+                        const wchar_t* sMethodName,
+                        v8::FunctionCallback pMethodCall);
+void JS_DefineObjProperty(v8::Isolate* pIsolate,
+                          int nObjDefnID,
+                          const wchar_t* sPropName,
+                          v8::AccessorGetterCallback pPropGet,
+                          v8::AccessorSetterCallback pPropPut);
+void JS_DefineObjAllProperties(v8::Isolate* pIsolate,
+                               int nObjDefnID,
+                               v8::NamedPropertyQueryCallback pPropQurey,
+                               v8::NamedPropertyGetterCallback pPropGet,
+                               v8::NamedPropertySetterCallback pPropPut,
+                               v8::NamedPropertyDeleterCallback pPropDel);
+void JS_DefineObjConst(v8::Isolate* pIsolate,
                        int nObjDefnID,
-                       const wchar_t* sMethodName,
-                       v8::FunctionCallback pMethodCall);
-int JS_DefineObjProperty(v8::Isolate* pIsolate,
-                         int nObjDefnID,
-                         const wchar_t* sPropName,
-                         v8::AccessorGetterCallback pPropGet,
-                         v8::AccessorSetterCallback pPropPut);
-int JS_DefineObjAllProperties(v8::Isolate* pIsolate,
-                              int nObjDefnID,
-                              v8::NamedPropertyQueryCallback pPropQurey,
-                              v8::NamedPropertyGetterCallback pPropGet,
-                              v8::NamedPropertySetterCallback pPropPut,
-                              v8::NamedPropertyDeleterCallback pPropDel);
-int JS_DefineObjConst(v8::Isolate* pIsolate,
-                      int nObjDefnID,
-                      const wchar_t* sConstName,
-                      v8::Local<v8::Value> pDefault);
-int JS_DefineGlobalMethod(v8::Isolate* pIsolate,
-                          const wchar_t* sMethodName,
-                          v8::FunctionCallback pMethodCall);
-int JS_DefineGlobalConst(v8::Isolate* pIsolate,
-                         const wchar_t* sConstName,
-                         v8::Local<v8::Value> pDefault);
+                       const wchar_t* sConstName,
+                       v8::Local<v8::Value> pDefault);
+void JS_DefineGlobalMethod(v8::Isolate* pIsolate,
+                           const wchar_t* sMethodName,
+                           v8::FunctionCallback pMethodCall);
+void JS_DefineGlobalConst(v8::Isolate* pIsolate,
+                          const wchar_t* sConstName,
+                          v8::Local<v8::Value> pDefault);
 
 void JS_InitialRuntime(v8::Isolate* pIsolate,
                        IFXJS_Runtime* pFXRuntime,
diff --git a/fpdfsdk/src/javascript/Consts.cpp b/fpdfsdk/src/javascript/Consts.cpp
index b534d2b393..9574c44730 100644
--- a/fpdfsdk/src/javascript/Consts.cpp
+++ b/fpdfsdk/src/javascript/Consts.cpp
@@ -129,60 +129,62 @@ IMPLEMENT_JS_CLASS_CONST(CJS_Zoomtype, zoomtype)
 
 /* ------------------------------ CJS_GlobalConsts ------------------------- */
 
-#define DEFINE_GLOBAL_CONST(pIsolate, const_name, const_value)   \
-  if (JS_DefineGlobalConst(                                      \
-          pIsolate, JS_WIDESTRING(const_name),                   \
-          JS_NewString(pIsolate, JS_WIDESTRING(const_value)))) { \
-    return -1;                                                   \
-  }
+static void DefineGlobalConstString(v8::Isolate* pIsolate,
+                                    const wchar_t* pConstName,
+                                    const wchar_t* pValue) {
+  JS_DefineGlobalConst(pIsolate, pConstName, JS_NewString(pIsolate, pValue));
+}
 
-int CJS_GlobalConsts::DefineJSObjects(v8::Isolate* pIsolate) {
-  DEFINE_GLOBAL_CONST(pIsolate, IDS_GREATER_THAN, Invalid value
-                      : must be greater than or equal to % s.);
-  DEFINE_GLOBAL_CONST(
-      pIsolate, IDS_GT_AND_LT, Invalid value
-      : must be greater than or equal to % s and less than or equal to % s.);
-  DEFINE_GLOBAL_CONST(pIsolate, IDS_LESS_THAN, Invalid value
-                      : must be less than or equal to % s.);
-  DEFINE_GLOBAL_CONST(pIsolate, IDS_INVALID_MONTH, **Invalid**);
-  DEFINE_GLOBAL_CONST(pIsolate, IDS_INVALID_DATE, Invalid date / time
-                      : please ensure that the date / time exists.Field);
-  DEFINE_GLOBAL_CONST(pIsolate, IDS_INVALID_VALUE,
-                      The value entered does not match the format of the field);
-  DEFINE_GLOBAL_CONST(pIsolate, IDS_AM, am);
-  DEFINE_GLOBAL_CONST(pIsolate, IDS_PM, pm);
-  DEFINE_GLOBAL_CONST(
-      pIsolate, IDS_MONTH_INFO,
-      January[1] February[2] March[3] April[4] May[5] June[6] July[7] August
-          [8] September[9] October[10] November[11] December[12] Sept[9] Jan
-              [1] Feb[2] Mar[3] Apr[4] Jun[6] Jul[7] Aug[8] Sep[9] Oct[10] Nov
-                  [11] Dec[12]);
-  DEFINE_GLOBAL_CONST(pIsolate, IDS_STARTUP_CONSOLE_MSG, ** ^ _ ^ **);
-
-  return 0;
+void CJS_GlobalConsts::DefineJSObjects(v8::Isolate* pIsolate) {
+  DefineGlobalConstString(
+      pIsolate, L"IDS_GREATER_THAN",
+      L"Invalid value: must be greater than or equal to % s.");
+  DefineGlobalConstString(
+      pIsolate, L"IDS_GT_AND_LT",
+      L"Invalid value: must be greater than or equal to % s "
+      L"and less than or equal to % s.");
+  DefineGlobalConstString(pIsolate, L"IDS_LESS_THAN",
+                          L"Invalid value: must be less than or equal to % s.");
+  DefineGlobalConstString(pIsolate, L"IDS_INVALID_MONTH", L"**Invalid**");
+  DefineGlobalConstString(
+      pIsolate, L"IDS_INVALID_DATE",
+      L"Invalid date / time: please ensure that the date / time exists.Field");
+  DefineGlobalConstString(
+      pIsolate, L"IDS_INVALID_VALUE",
+      L"The value entered does not match the format of the field");
+  DefineGlobalConstString(pIsolate, L"IDS_AM", L"am");
+  DefineGlobalConstString(pIsolate, L"IDS_PM", L"pm");
+  DefineGlobalConstString(
+      pIsolate, L"IDS_MONTH_INFO",
+      L"January[1] February[2] March[3] April[4] May[5] "
+      L"June[6] July[7] August[8] September[9] October[10] "
+      L"November[11] December[12] Sept[9] Jan[1] Feb[2] Mar[3] "
+      L"Apr[4] Jun[6] Jul[7] Aug[8] Sep[9] Oct[10] Nov[11] "
+      L"Dec[12]");
+  DefineGlobalConstString(pIsolate, L"IDS_STARTUP_CONSOLE_MSG", L"** ^ _ ^ **");
 }
 
 /* ------------------------------ CJS_GlobalArrays  ------------------------ */
 
-#define DEFINE_GLOBAL_ARRAY(pIsolate)                           \
-  int size = FX_ArraySize(ArrayContent);                        \
-                                                                \
-  CJS_Array array(pIsolate);                                    \
-  for (int i = 0; i < size; i++)                                \
-    array.SetElement(i, CJS_Value(pIsolate, ArrayContent[i]));  \
-                                                                \
-  CJS_PropValue prop(pIsolate);                                 \
-  prop << array;                                                \
-  if (JS_DefineGlobalConst(pIsolate, (const wchar_t*)ArrayName, \
-                           prop.ToV8Value()) < 0) {             \
-    return -1;                                                  \
+void DefineGlobalConstStringArray(v8::Isolate* pIsolate,
+                                  const wchar_t* sConstName,
+                                  const wchar_t** pValues,
+                                  size_t nValues) {
+  CJS_Array array(pIsolate);
+  for (size_t i = 0; i < nValues; ++i) {
+    array.SetElement(i, CJS_Value(pIsolate, pValues[i]));
   }
+  CJS_PropValue prop(pIsolate);
+  prop << array;
+  JS_DefineGlobalConst(pIsolate, sConstName, prop.ToV8Value());
+}
 
-int CJS_GlobalArrays::DefineJSObjects(v8::Isolate* pIsolate) {
+void CJS_GlobalArrays::DefineJSObjects(v8::Isolate* pIsolate) {
   {
     const FX_WCHAR* ArrayName = L"RE_NUMBER_ENTRY_DOT_SEP";
     const FX_WCHAR* ArrayContent[] = {L"[+-]?\\d*\\.?\\d*"};
-    DEFINE_GLOBAL_ARRAY(pIsolate);
+    DefineGlobalConstStringArray(pIsolate, ArrayName, ArrayContent,
+                                 FX_ArraySize(ArrayContent));
   }
 
   {
@@ -192,14 +194,16 @@ int CJS_GlobalArrays::DefineJSObjects(v8::Isolate* pIsolate) {
         L"[+-]?\\.\\d+",        /* -.1 */
         L"[+-]?\\d+\\."         /* -1. */
     };
-    DEFINE_GLOBAL_ARRAY(pIsolate);
+    DefineGlobalConstStringArray(pIsolate, ArrayName, ArrayContent,
+                                 FX_ArraySize(ArrayContent));
   }
 
   {
     const FX_WCHAR* ArrayName = L"RE_NUMBER_ENTRY_COMMA_SEP";
     const FX_WCHAR* ArrayContent[] = {L"[+-]?\\d*,?\\d*"};
 
-    DEFINE_GLOBAL_ARRAY(pIsolate);
+    DefineGlobalConstStringArray(pIsolate, ArrayName, ArrayContent,
+                                 FX_ArraySize(ArrayContent));
   }
 
   {
@@ -209,31 +213,36 @@ int CJS_GlobalArrays::DefineJSObjects(v8::Isolate* pIsolate) {
         L"[+-]?[.,]\\d+",        /* -,1 */
         L"[+-]?\\d+[.,]"         /* -1, */
     };
-    DEFINE_GLOBAL_ARRAY(pIsolate);
+    DefineGlobalConstStringArray(pIsolate, ArrayName, ArrayContent,
+                                 FX_ArraySize(ArrayContent));
   }
 
   {
     const FX_WCHAR* ArrayName = L"RE_ZIP_ENTRY";
     const FX_WCHAR* ArrayContent[] = {L"\\d{0,5}"};
-    DEFINE_GLOBAL_ARRAY(pIsolate);
+    DefineGlobalConstStringArray(pIsolate, ArrayName, ArrayContent,
+                                 FX_ArraySize(ArrayContent));
   }
 
   {
     const FX_WCHAR* ArrayName = L"RE_ZIP_COMMIT";
     const FX_WCHAR* ArrayContent[] = {L"\\d{5}"};
-    DEFINE_GLOBAL_ARRAY(pIsolate);
+    DefineGlobalConstStringArray(pIsolate, ArrayName, ArrayContent,
+                                 FX_ArraySize(ArrayContent));
   }
 
   {
     const FX_WCHAR* ArrayName = L"RE_ZIP4_ENTRY";
     const FX_WCHAR* ArrayContent[] = {L"\\d{0,5}(\\.|[- ])?\\d{0,4}"};
-    DEFINE_GLOBAL_ARRAY(pIsolate);
+    DefineGlobalConstStringArray(pIsolate, ArrayName, ArrayContent,
+                                 FX_ArraySize(ArrayContent));
   }
 
   {
     const FX_WCHAR* ArrayName = L"RE_ZIP4_COMMIT";
     const FX_WCHAR* ArrayContent[] = {L"\\d{5}(\\.|[- ])?\\d{4}"};
-    DEFINE_GLOBAL_ARRAY(pIsolate);
+    DefineGlobalConstStringArray(pIsolate, ArrayName, ArrayContent,
+                                 FX_ArraySize(ArrayContent));
   }
 
   {
@@ -251,7 +260,8 @@ int CJS_GlobalArrays::DefineJSObjects(v8::Isolate* pIsolate) {
                                                                  */
         L"011(\\.|[- \\d])*" /* international */
     };
-    DEFINE_GLOBAL_ARRAY(pIsolate);
+    DefineGlobalConstStringArray(pIsolate, ArrayName, ArrayContent,
+                                 FX_ArraySize(ArrayContent));
   }
 
   {
@@ -262,22 +272,23 @@ int CJS_GlobalArrays::DefineJSObjects(v8::Isolate* pIsolate) {
         L"\\(\\d{3}\\)(\\.|[- ])?\\d{3}(\\.|[- ])?\\d{4}", /* (408) 555-1234 */
         L"011(\\.|[- \\d])*"                               /* international */
     };
-    DEFINE_GLOBAL_ARRAY(pIsolate);
+    DefineGlobalConstStringArray(pIsolate, ArrayName, ArrayContent,
+                                 FX_ArraySize(ArrayContent));
   }
 
   {
     const FX_WCHAR* ArrayName = L"RE_SSN_ENTRY";
     const FX_WCHAR* ArrayContent[] = {
         L"\\d{0,3}(\\.|[- ])?\\d{0,2}(\\.|[- ])?\\d{0,4}"};
-    DEFINE_GLOBAL_ARRAY(pIsolate);
+    DefineGlobalConstStringArray(pIsolate, ArrayName, ArrayContent,
+                                 FX_ArraySize(ArrayContent));
   }
 
   {
     const FX_WCHAR* ArrayName = L"RE_SSN_COMMIT";
     const FX_WCHAR* ArrayContent[] = {
         L"\\d{3}(\\.|[- ])?\\d{2}(\\.|[- ])?\\d{4}"};
-    DEFINE_GLOBAL_ARRAY(pIsolate);
+    DefineGlobalConstStringArray(pIsolate, ArrayName, ArrayContent,
+                                 FX_ArraySize(ArrayContent));
   }
-
-  return 0;
 }
diff --git a/fpdfsdk/src/javascript/JS_Runtime.cpp b/fpdfsdk/src/javascript/JS_Runtime.cpp
index 5f4a473c87..4b18d80f6c 100644
--- a/fpdfsdk/src/javascript/JS_Runtime.cpp
+++ b/fpdfsdk/src/javascript/JS_Runtime.cpp
@@ -137,7 +137,7 @@ CJS_Runtime::~CJS_Runtime() {
     m_isolate->Dispose();
 }
 
-FX_BOOL CJS_Runtime::DefineJSObjects() {
+void CJS_Runtime::DefineJSObjects() {
   v8::Isolate::Scope isolate_scope(GetIsolate());
   v8::HandleScope handle_scope(GetIsolate());
   v8::Local<v8::Context> context = v8::Context::New(GetIsolate());
@@ -145,67 +145,43 @@ FX_BOOL CJS_Runtime::DefineJSObjects() {
 
   // The call order determines the "ObjDefID" assigned to each class.
   // ObjDefIDs 0 - 2
-  if (CJS_Border::DefineJSObjects(GetIsolate(), JS_STATIC) < 0)
-    return FALSE;
-  if (CJS_Display::DefineJSObjects(GetIsolate(), JS_STATIC) < 0)
-    return FALSE;
-  if (CJS_Font::DefineJSObjects(GetIsolate(), JS_STATIC) < 0)
-    return FALSE;
+  CJS_Border::DefineJSObjects(GetIsolate(), JS_STATIC);
+  CJS_Display::DefineJSObjects(GetIsolate(), JS_STATIC);
+  CJS_Font::DefineJSObjects(GetIsolate(), JS_STATIC);
 
   // ObjDefIDs 3 - 5
-  if (CJS_Highlight::DefineJSObjects(GetIsolate(), JS_STATIC) < 0)
-    return FALSE;
-  if (CJS_Position::DefineJSObjects(GetIsolate(), JS_STATIC) < 0)
-    return FALSE;
-  if (CJS_ScaleHow::DefineJSObjects(GetIsolate(), JS_STATIC) < 0)
-    return FALSE;
+  CJS_Highlight::DefineJSObjects(GetIsolate(), JS_STATIC);
+  CJS_Position::DefineJSObjects(GetIsolate(), JS_STATIC);
+  CJS_ScaleHow::DefineJSObjects(GetIsolate(), JS_STATIC);
 
   // ObjDefIDs 6 - 8
-  if (CJS_ScaleWhen::DefineJSObjects(GetIsolate(), JS_STATIC) < 0)
-    return FALSE;
-  if (CJS_Style::DefineJSObjects(GetIsolate(), JS_STATIC) < 0)
-    return FALSE;
-  if (CJS_Zoomtype::DefineJSObjects(GetIsolate(), JS_STATIC) < 0)
-    return FALSE;
+  CJS_ScaleWhen::DefineJSObjects(GetIsolate(), JS_STATIC);
+  CJS_Style::DefineJSObjects(GetIsolate(), JS_STATIC);
+  CJS_Zoomtype::DefineJSObjects(GetIsolate(), JS_STATIC);
 
   // ObjDefIDs 9 - 11
-  if (CJS_App::DefineJSObjects(GetIsolate(), JS_STATIC) < 0)
-    return FALSE;
-  if (CJS_Color::DefineJSObjects(GetIsolate(), JS_STATIC) < 0)
-    return FALSE;
-  if (CJS_Console::DefineJSObjects(GetIsolate(), JS_STATIC) < 0)
-    return FALSE;
+  CJS_App::DefineJSObjects(GetIsolate(), JS_STATIC);
+  CJS_Color::DefineJSObjects(GetIsolate(), JS_STATIC);
+  CJS_Console::DefineJSObjects(GetIsolate(), JS_STATIC);
 
   // ObjDefIDs 12 - 14
-  if (CJS_Document::DefineJSObjects(GetIsolate(), JS_DYNAMIC) < 0)
-    return FALSE;
-  if (CJS_Event::DefineJSObjects(GetIsolate(), JS_STATIC) < 0)
-    return FALSE;
-  if (CJS_Field::DefineJSObjects(GetIsolate(), JS_DYNAMIC) < 0)
-    return FALSE;
+  CJS_Document::DefineJSObjects(GetIsolate(), JS_DYNAMIC);
+  CJS_Event::DefineJSObjects(GetIsolate(), JS_STATIC);
+  CJS_Field::DefineJSObjects(GetIsolate(), JS_DYNAMIC);
 
   // ObjDefIDs 15 - 17
-  if (CJS_Global::DefineJSObjects(GetIsolate(), JS_STATIC) < 0)
-    return FALSE;
-  if (CJS_Icon::DefineJSObjects(GetIsolate(), JS_DYNAMIC) < 0)
-    return FALSE;
-  if (CJS_Util::DefineJSObjects(GetIsolate(), JS_STATIC) < 0)
-    return FALSE;
-
-  // ObjDefIDs 18 - 20
-  if (CJS_PublicMethods::DefineJSObjects(GetIsolate()) < 0)
-    return FALSE;
-  if (CJS_GlobalConsts::DefineJSObjects(GetIsolate()) < 0)
-    return FALSE;
-  if (CJS_GlobalArrays::DefineJSObjects(GetIsolate()) < 0)
-    return FALSE;
-
-  if (CJS_TimerObj::DefineJSObjects(GetIsolate(), JS_DYNAMIC) < 0)
-    return FALSE;
-  if (CJS_PrintParamsObj::DefineJSObjects(GetIsolate(), JS_DYNAMIC) < 0)
-    return FALSE;
-
-  return TRUE;
+  CJS_Global::DefineJSObjects(GetIsolate(), JS_STATIC);
+  CJS_Icon::DefineJSObjects(GetIsolate(), JS_DYNAMIC);
+  CJS_Util::DefineJSObjects(GetIsolate(), JS_STATIC);
+
+  // ObjDefIDs 18 - 20 (these can't fail, return void).
+  CJS_PublicMethods::DefineJSObjects(GetIsolate());
+  CJS_GlobalConsts::DefineJSObjects(GetIsolate());
+  CJS_GlobalArrays::DefineJSObjects(GetIsolate());
+
+  // ObjDefIDs 21 - 22.
+  CJS_TimerObj::DefineJSObjects(GetIsolate(), JS_DYNAMIC);
+  CJS_PrintParamsObj::DefineJSObjects(GetIsolate(), JS_DYNAMIC);
 }
 
 IFXJS_Context* CJS_Runtime::NewContext() {
diff --git a/fpdfsdk/src/javascript/global.cpp b/fpdfsdk/src/javascript/global.cpp
index e817eca32c..bde4e7d5ae 100644
--- a/fpdfsdk/src/javascript/global.cpp
+++ b/fpdfsdk/src/javascript/global.cpp
@@ -60,21 +60,21 @@ class HashVerify {
 
 HashVerify::HashVerify() {
   ASSERT(JSCONST_nStringHash ==
-         JS_CalcHash(VALUE_NAME_STRING, wcslen(VALUE_NAME_STRING)));
+         JS_CalcHash(kFXJSValueNameString, wcslen(kFXJSValueNameString)));
   ASSERT(JSCONST_nNumberHash ==
-         JS_CalcHash(VALUE_NAME_NUMBER, wcslen(VALUE_NAME_NUMBER)));
+         JS_CalcHash(kFXJSValueNameNumber, wcslen(kFXJSValueNameNumber)));
   ASSERT(JSCONST_nBoolHash ==
-         JS_CalcHash(VALUE_NAME_BOOLEAN, wcslen(VALUE_NAME_BOOLEAN)));
+         JS_CalcHash(kFXJSValueNameBoolean, wcslen(kFXJSValueNameBoolean)));
   ASSERT(JSCONST_nDateHash ==
-         JS_CalcHash(VALUE_NAME_DATE, wcslen(VALUE_NAME_DATE)));
+         JS_CalcHash(kFXJSValueNameDate, wcslen(kFXJSValueNameDate)));
   ASSERT(JSCONST_nObjectHash ==
-         JS_CalcHash(VALUE_NAME_OBJECT, wcslen(VALUE_NAME_OBJECT)));
+         JS_CalcHash(kFXJSValueNameObject, wcslen(kFXJSValueNameObject)));
   ASSERT(JSCONST_nFXobjHash ==
-         JS_CalcHash(VALUE_NAME_FXOBJ, wcslen(VALUE_NAME_FXOBJ)));
+         JS_CalcHash(kFXJSValueNameFxobj, wcslen(kFXJSValueNameFxobj)));
   ASSERT(JSCONST_nNullHash ==
-         JS_CalcHash(VALUE_NAME_NULL, wcslen(VALUE_NAME_NULL)));
+         JS_CalcHash(kFXJSValueNameNull, wcslen(kFXJSValueNameNull)));
   ASSERT(JSCONST_nUndefHash ==
-         JS_CalcHash(VALUE_NAME_UNDEFINED, wcslen(VALUE_NAME_UNDEFINED)));
+         JS_CalcHash(kFXJSValueNameUndefined, wcslen(kFXJSValueNameUndefined)));
 }
 #endif
 
diff --git a/fpdfsdk/src/jsapi/fxjs_v8.cpp b/fpdfsdk/src/jsapi/fxjs_v8.cpp
index b31284847a..e0c8938c34 100644
--- a/fpdfsdk/src/jsapi/fxjs_v8.cpp
+++ b/fpdfsdk/src/jsapi/fxjs_v8.cpp
@@ -12,14 +12,14 @@
 #include <cmath>
 #include <limits>
 
-#define VALUE_NAME_STRING L"string"
-#define VALUE_NAME_NUMBER L"number"
-#define VALUE_NAME_BOOLEAN L"boolean"
-#define VALUE_NAME_DATE L"date"
-#define VALUE_NAME_OBJECT L"object"
-#define VALUE_NAME_FXOBJ L"fxobj"
-#define VALUE_NAME_NULL L"null"
-#define VALUE_NAME_UNDEFINED L"undefined"
+const wchar_t kFXJSValueNameString[] = L"string";
+const wchar_t kFXJSValueNameNumber[] = L"number";
+const wchar_t kFXJSValueNameBoolean[] = L"boolean";
+const wchar_t kFXJSValueNameDate[] = L"date";
+const wchar_t kFXJSValueNameObject[] = L"object";
+const wchar_t kFXJSValueNameFxobj[] = L"fxobj";
+const wchar_t kFXJSValueNameNull[] = L"null";
+const wchar_t kFXJSValueNameUndefined[] = L"undefined";
 
 const static FX_DWORD g_nan[2] = {0, 0x7FF80000};
 static double GetNan() {
@@ -93,22 +93,18 @@ int JS_DefineObj(v8::Isolate* pIsolate,
   return pArray->GetSize() - 1;
 }
 
-int JS_DefineObjMethod(v8::Isolate* pIsolate,
-                       int nObjDefnID,
-                       const wchar_t* sMethodName,
-                       v8::FunctionCallback pMethodCall) {
+void JS_DefineObjMethod(v8::Isolate* pIsolate,
+                        int nObjDefnID,
+                        const wchar_t* sMethodName,
+                        v8::FunctionCallback pMethodCall) {
   v8::Isolate::Scope isolate_scope(pIsolate);
   v8::HandleScope handle_scope(pIsolate);
 
   CFX_WideString ws = CFX_WideString(sMethodName);
   CFX_ByteString bsMethodName = ws.UTF8Encode();
-
   CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot);
-  if (!pArray)
-    return 0;
 
-  if (nObjDefnID < 0 || nObjDefnID >= pArray->GetSize())
-    return 0;
+  // Note: GetAt() halts if out-of-range even in release builds.
   CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID);
   v8::Local<v8::ObjectTemplate> objTemp =
       v8::Local<v8::ObjectTemplate>::New(pIsolate, pObjDef->m_objTemplate);
@@ -117,26 +113,21 @@ int JS_DefineObjMethod(v8::Isolate* pIsolate,
                               v8::NewStringType::kNormal).ToLocalChecked(),
       v8::FunctionTemplate::New(pIsolate, pMethodCall), v8::ReadOnly);
   pObjDef->m_objTemplate.Reset(pIsolate, objTemp);
-  return 0;
 }
 
-int JS_DefineObjProperty(v8::Isolate* pIsolate,
-                         int nObjDefnID,
-                         const wchar_t* sPropName,
-                         v8::AccessorGetterCallback pPropGet,
-                         v8::AccessorSetterCallback pPropPut) {
+void JS_DefineObjProperty(v8::Isolate* pIsolate,
+                          int nObjDefnID,
+                          const wchar_t* sPropName,
+                          v8::AccessorGetterCallback pPropGet,
+                          v8::AccessorSetterCallback pPropPut) {
   v8::Isolate::Scope isolate_scope(pIsolate);
   v8::HandleScope handle_scope(pIsolate);
 
   CFX_WideString ws = CFX_WideString(sPropName);
   CFX_ByteString bsPropertyName = ws.UTF8Encode();
-
   CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot);
-  if (!pArray)
-    return 0;
 
-  if (nObjDefnID < 0 || nObjDefnID >= pArray->GetSize())
-    return 0;
+  // Note: GetAt() halts if out-of-range even in release builds.
   CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID);
   v8::Local<v8::ObjectTemplate> objTemp =
       v8::Local<v8::ObjectTemplate>::New(pIsolate, pObjDef->m_objTemplate);
@@ -145,54 +136,43 @@ int JS_DefineObjProperty(v8::Isolate* pIsolate,
                               v8::NewStringType::kNormal).ToLocalChecked(),
       pPropGet, pPropPut);
   pObjDef->m_objTemplate.Reset(pIsolate, objTemp);
-  return 0;
 }
 
-int JS_DefineObjAllProperties(v8::Isolate* pIsolate,
-                              int nObjDefnID,
-                              v8::NamedPropertyQueryCallback pPropQurey,
-                              v8::NamedPropertyGetterCallback pPropGet,
-                              v8::NamedPropertySetterCallback pPropPut,
-                              v8::NamedPropertyDeleterCallback pPropDel) {
+void JS_DefineObjAllProperties(v8::Isolate* pIsolate,
+                               int nObjDefnID,
+                               v8::NamedPropertyQueryCallback pPropQurey,
+                               v8::NamedPropertyGetterCallback pPropGet,
+                               v8::NamedPropertySetterCallback pPropPut,
+                               v8::NamedPropertyDeleterCallback pPropDel) {
   v8::Isolate::Scope isolate_scope(pIsolate);
   v8::HandleScope handle_scope(pIsolate);
-
   CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot);
-  if (!pArray)
-    return 0;
 
-  if (nObjDefnID < 0 || nObjDefnID >= pArray->GetSize())
-    return 0;
+  // Note: GetAt() halts if out-of-range even in release builds.
   CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID);
   v8::Local<v8::ObjectTemplate> objTemp =
       v8::Local<v8::ObjectTemplate>::New(pIsolate, pObjDef->m_objTemplate);
   objTemp->SetNamedPropertyHandler(pPropGet, pPropPut, pPropQurey, pPropDel);
   pObjDef->m_objTemplate.Reset(pIsolate, objTemp);
-  return 0;
 }
 
-int JS_DefineObjConst(v8::Isolate* pIsolate,
-                      int nObjDefnID,
-                      const wchar_t* sConstName,
-                      v8::Local<v8::Value> pDefault) {
+void JS_DefineObjConst(v8::Isolate* pIsolate,
+                       int nObjDefnID,
+                       const wchar_t* sConstName,
+                       v8::Local<v8::Value> pDefault) {
   v8::Isolate::Scope isolate_scope(pIsolate);
   v8::HandleScope handle_scope(pIsolate);
 
-  CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot);
-  if (!pArray)
-    return 0;
-
   CFX_WideString ws = CFX_WideString(sConstName);
   CFX_ByteString bsConstName = ws.UTF8Encode();
+  CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot);
 
-  if (nObjDefnID < 0 || nObjDefnID >= pArray->GetSize())
-    return 0;
+  // Note: GetAt() halts if out-of-range even in release builds.
   CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID);
   v8::Local<v8::ObjectTemplate> objTemp =
       v8::Local<v8::ObjectTemplate>::New(pIsolate, pObjDef->m_objTemplate);
   objTemp->Set(pIsolate, bsConstName.c_str(), pDefault);
   pObjDef->m_objTemplate.Reset(pIsolate, objTemp);
-  return 0;
 }
 
 static v8::Global<v8::ObjectTemplate>& _getGlobalObjectTemplate(
@@ -211,9 +191,9 @@ static v8::Global<v8::ObjectTemplate>& _getGlobalObjectTemplate(
   return gloabalObjectTemplate;
 }
 
-int JS_DefineGlobalMethod(v8::Isolate* pIsolate,
-                          const wchar_t* sMethodName,
-                          v8::FunctionCallback pMethodCall) {
+void JS_DefineGlobalMethod(v8::Isolate* pIsolate,
+                           const wchar_t* sMethodName,
+                           v8::FunctionCallback pMethodCall) {
   v8::Isolate::Scope isolate_scope(pIsolate);
   v8::HandleScope handle_scope(pIsolate);
 
@@ -236,13 +216,11 @@ int JS_DefineGlobalMethod(v8::Isolate* pIsolate,
       funTempl, v8::ReadOnly);
 
   globalObjTemp.Reset(pIsolate, objTemp);
-
-  return 0;
 }
 
-int JS_DefineGlobalConst(v8::Isolate* pIsolate,
-                         const wchar_t* sConstName,
-                         v8::Local<v8::Value> pDefault) {
+void JS_DefineGlobalConst(v8::Isolate* pIsolate,
+                          const wchar_t* sConstName,
+                          v8::Local<v8::Value> pDefault) {
   v8::Isolate::Scope isolate_scope(pIsolate);
   v8::HandleScope handle_scope(pIsolate);
 
@@ -263,8 +241,6 @@ int JS_DefineGlobalConst(v8::Isolate* pIsolate,
       pDefault, v8::ReadOnly);
 
   globalObjTemp.Reset(pIsolate, objTemp);
-
-  return 0;
 }
 
 void JS_InitialRuntime(v8::Isolate* pIsolate,
@@ -510,19 +486,19 @@ const wchar_t* JS_GetTypeof(v8::Local<v8::Value> pObj) {
   if (pObj.IsEmpty())
     return NULL;
   if (pObj->IsString())
-    return VALUE_NAME_STRING;
+    return kFXJSValueNameString;
   if (pObj->IsNumber())
-    return VALUE_NAME_NUMBER;
+    return kFXJSValueNameNumber;
   if (pObj->IsBoolean())
-    return VALUE_NAME_BOOLEAN;
+    return kFXJSValueNameBoolean;
   if (pObj->IsDate())
-    return VALUE_NAME_DATE;
+    return kFXJSValueNameDate;
   if (pObj->IsObject())
-    return VALUE_NAME_OBJECT;
+    return kFXJSValueNameObject;
   if (pObj->IsNull())
-    return VALUE_NAME_NULL;
+    return kFXJSValueNameNull;
   if (pObj->IsUndefined())
-    return VALUE_NAME_UNDEFINED;
+    return kFXJSValueNameUndefined;
   return NULL;
 }
 void JS_SetPrivate(v8::Local<v8::Object> pObj, void* p) {