Remove FXJSE_Value_ToObject and call methods directly

xfa/fxfa/parser/xfa_script_imp.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "xfa/fxfa/parser/xfa_script_imp.h"
 
 #include "core/fxcrt/include/fx_ext.h"
 #include "xfa/fxfa/app/xfa_ffnotify.h"
@@ skipping 48 matching lines @@
     0,                  // method count
     CXFA_ScriptContext::NormalPropTypeGetter,
     CXFA_ScriptContext::GlobalPropertyGetter,
     CXFA_ScriptContext::GlobalPropertySetter,
     nullptr,  // property deleter
     CXFA_ScriptContext::NormalMethodCall,
 };
 
 const char kFormCalcRuntime[] = "foxit_xfa_formcalc_runtime";
 
+CXFA_ThisProxy* ToThisProxy(CFXJSE_Value* pValue, CFXJSE_Class* pClass) {
+  return static_cast<CXFA_ThisProxy*>(pValue->ToHostObject(pClass));
+}
+
 }  // namespace
 
+// static.
+CXFA_Object* CXFA_ScriptContext::ToObject(CFXJSE_Value* pValue,
+                                          CFXJSE_Class* pClass) {
+  return static_cast<CXFA_Object*>(pValue->ToHostObject(pClass));
+}
+
 CXFA_ScriptContext::CXFA_ScriptContext(CXFA_Document* pDocument)
     : m_pDocument(pDocument),
       m_pJsContext(nullptr),
       m_pIsolate(nullptr),
       m_pJsClass(nullptr),
       m_eScriptType(XFA_SCRIPTLANGTYPE_Unkown),
       m_pScriptNodeArray(nullptr),
       m_pResolveProcessor(nullptr),
       m_hFM2JSContext(nullptr),
       m_pThisObject(nullptr),
@@ skipping 59 matching lines @@
   CFXJSE_Value* pValue = pThisObject ? GetJSValueFromMap(pThisObject) : NULL;
   FX_BOOL bRet =
       FXJSE_ExecuteScript(m_pJsContext, btScript.c_str(), hRetValue, pValue);
   m_pThisObject = pOriginalObject;
   m_eScriptType = eSaveType;
   return bRet;
 }
 void CXFA_ScriptContext::GlobalPropertySetter(CFXJSE_Value* pObject,
                                               const CFX_ByteStringC& szPropName,
                                               CFXJSE_Value* pValue) {
-  CXFA_Object* lpOrginalNode =
-      static_cast<CXFA_Object*>(FXJSE_Value_ToObject(pObject, nullptr));
+  CXFA_Object* lpOrginalNode = ToObject(pObject, nullptr);
   CXFA_Document* pDoc = lpOrginalNode->GetDocument();
   CXFA_ScriptContext* lpScriptContext =
       (CXFA_ScriptContext*)pDoc->GetScriptContext();
   CXFA_Object* lpCurNode = lpScriptContext->GetVariablesThis(lpOrginalNode);
   CFX_WideString wsPropName = CFX_WideString::FromUTF8(szPropName);
   uint32_t dwFlag = XFA_RESOLVENODE_Parent | XFA_RESOLVENODE_Siblings |
                     XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Properties |
                     XFA_RESOLVENODE_Attributes;
   CXFA_Node* pRefNode = ToNode(lpScriptContext->GetThisObject());
   if (lpOrginalNode->GetObjectType() == XFA_OBJECTTYPE_VariablesThis) {
@@ skipping 35 matching lines @@
     if (lpAttributeInfo) {
       (resolveRs.nodes[0]->*(lpAttributeInfo->lpfnCallback))(
           pValue, bSetting, (XFA_ATTRIBUTE)lpAttributeInfo->eAttribute);
     }
   }
   return true;
 }
 void CXFA_ScriptContext::GlobalPropertyGetter(CFXJSE_Value* pObject,
                                               const CFX_ByteStringC& szPropName,
                                               CFXJSE_Value* pValue) {
-  CXFA_Object* pOriginalObject =
-      static_cast<CXFA_Object*>(FXJSE_Value_ToObject(pObject, nullptr));
+  CXFA_Object* pOriginalObject = ToObject(pObject, nullptr);
   CXFA_Document* pDoc = pOriginalObject->GetDocument();
   CXFA_ScriptContext* lpScriptContext =
       (CXFA_ScriptContext*)pDoc->GetScriptContext();
   CXFA_Object* lpCurNode = lpScriptContext->GetVariablesThis(pOriginalObject);
   CFX_WideString wsPropName = CFX_WideString::FromUTF8(szPropName);
   if (lpScriptContext->GetType() == XFA_SCRIPTLANGTYPE_Formcalc) {
     if (szPropName == kFormCalcRuntime) {
       lpScriptContext->m_hFM2JSContext->GlobalPropertyGetter(pValue);
       return;
     }
@@ skipping 33 matching lines @@
   CXFA_FFNotify* pNotify = pDoc->GetNotify();
   if (!pNotify) {
     return;
   }
   pNotify->GetDocProvider()->GetGlobalProperty(pNotify->GetHDOC(), szPropName,
                                                pValue);
 }
 void CXFA_ScriptContext::NormalPropertyGetter(CFXJSE_Value* pOriginalValue,
                                               const CFX_ByteStringC& szPropName,
                                               CFXJSE_Value* pReturnValue) {
-  CXFA_Object* pOriginalObject =
-      static_cast<CXFA_Object*>(FXJSE_Value_ToObject(pOriginalValue, nullptr));
+  CXFA_Object* pOriginalObject = ToObject(pOriginalValue, nullptr);
   if (!pOriginalObject) {
     FXJSE_Value_SetUndefined(pReturnValue);
     return;
   }
   CFX_WideString wsPropName = CFX_WideString::FromUTF8(szPropName);
   CXFA_ScriptContext* lpScriptContext =
       (CXFA_ScriptContext*)pOriginalObject->GetDocument()->GetScriptContext();
   CXFA_Object* pObject = lpScriptContext->GetVariablesThis(pOriginalObject);
   if (wsPropName == FX_WSTRC(L"xfa")) {
     CFXJSE_Value* pValue = lpScriptContext->GetJSValueFromMap(
@@ skipping 24 matching lines @@
     bRet = lpScriptContext->QueryVariableValue(ToNode(pScriptObject),
                                                szPropName, pReturnValue, TRUE);
   }
   if (!bRet) {
     FXJSE_Value_SetUndefined(pReturnValue);
   }
 }
 void CXFA_ScriptContext::NormalPropertySetter(CFXJSE_Value* pOriginalValue,
                                               const CFX_ByteStringC& szPropName,
                                               CFXJSE_Value* pReturnValue) {
-  CXFA_Object* pOriginalObject =
-      static_cast<CXFA_Object*>(FXJSE_Value_ToObject(pOriginalValue, nullptr));
+  CXFA_Object* pOriginalObject = ToObject(pOriginalValue, nullptr);
   if (!pOriginalObject)
     return;
 
   CXFA_ScriptContext* lpScriptContext =
       (CXFA_ScriptContext*)pOriginalObject->GetDocument()->GetScriptContext();
   CXFA_Object* pObject = lpScriptContext->GetVariablesThis(pOriginalObject);
   CFX_WideString wsPropName = CFX_WideString::FromUTF8(szPropName);
   const XFA_SCRIPTATTRIBUTEINFO* lpAttributeInfo = XFA_GetScriptAttributeByName(
       pObject->GetClassID(), wsPropName.AsStringC());
   if (lpAttributeInfo) {
@@ skipping 30 matching lines @@
     if (pScriptObject) {
       lpScriptContext->QueryVariableValue(ToNode(pScriptObject), szPropName,
                                           pReturnValue, FALSE);
     }
   }
 }
 int32_t CXFA_ScriptContext::NormalPropTypeGetter(
     CFXJSE_Value* pOriginalValue,
     const CFX_ByteStringC& szPropName,
     FX_BOOL bQueryIn) {
-  CXFA_Object* pObject =
-      static_cast<CXFA_Object*>(FXJSE_Value_ToObject(pOriginalValue, nullptr));
+  CXFA_Object* pObject = ToObject(pOriginalValue, nullptr);
   if (!pObject)
     return FXJSE_ClassPropType_None;
 
   CXFA_ScriptContext* lpScriptContext =
       (CXFA_ScriptContext*)pObject->GetDocument()->GetScriptContext();
   pObject = lpScriptContext->GetVariablesThis(pObject);
   XFA_ELEMENT objElement = pObject->GetClassID();
   CFX_WideString wsPropName = CFX_WideString::FromUTF8(szPropName);
   if (XFA_GetMethodByName(objElement, wsPropName.AsStringC())) {
     return FXJSE_ClassPropType_Method;
   }
   if (bQueryIn &&
       !XFA_GetScriptAttributeByName(objElement, wsPropName.AsStringC())) {
     return FXJSE_ClassPropType_None;
   }
   return FXJSE_ClassPropType_Property;
 }
 int32_t CXFA_ScriptContext::GlobalPropTypeGetter(
     CFXJSE_Value* pOriginalValue,
     const CFX_ByteStringC& szPropName,
     FX_BOOL bQueryIn) {
-  CXFA_Object* pObject =
-      static_cast<CXFA_Object*>(FXJSE_Value_ToObject(pOriginalValue, nullptr));
+  CXFA_Object* pObject = ToObject(pOriginalValue, nullptr);
   if (!pObject)
     return FXJSE_ClassPropType_None;
 
   CXFA_ScriptContext* lpScriptContext =
       (CXFA_ScriptContext*)pObject->GetDocument()->GetScriptContext();
   pObject = lpScriptContext->GetVariablesThis(pObject);
   XFA_ELEMENT objElement = pObject->GetClassID();
   CFX_WideString wsPropName = CFX_WideString::FromUTF8(szPropName);
   if (XFA_GetMethodByName(objElement, wsPropName.AsStringC())) {
     return FXJSE_ClassPropType_Method;
   }
   return FXJSE_ClassPropType_Property;
 }
 void CXFA_ScriptContext::NormalMethodCall(CFXJSE_Value* pThis,
                                           const CFX_ByteStringC& szFuncName,
                                           CFXJSE_Arguments& args) {
-  CXFA_Object* pObject =
-      static_cast<CXFA_Object*>(FXJSE_Value_ToObject(pThis, nullptr));
+  CXFA_Object* pObject = ToObject(pThis, nullptr);
   if (!pObject)
     return;
 
   CXFA_ScriptContext* lpScriptContext =
       (CXFA_ScriptContext*)pObject->GetDocument()->GetScriptContext();
   pObject = lpScriptContext->GetVariablesThis(pObject);
   CFX_WideString wsFunName = CFX_WideString::FromUTF8(szFuncName);
   const XFA_METHODINFO* lpMethodInfo =
       XFA_GetMethodByName(pObject->GetClassID(), wsFunName.AsStringC());
   if (!lpMethodInfo)
@@ skipping 110 matching lines @@
 }
 
 void CXFA_ScriptContext::ReleaseVariablesMap() {
   FX_POSITION ps = m_mapVariableToContext.GetStartPosition();
   while (ps) {
     CXFA_Object* pScriptNode;
     CFXJSE_Context* pVariableContext = nullptr;
     m_mapVariableToContext.GetNextAssoc(ps, pScriptNode, pVariableContext);
     std::unique_ptr<CFXJSE_Value> pObject(
         FXJSE_Context_GetGlobalObject(pVariableContext));
-    delete static_cast<CXFA_ThisProxy*>(
-        FXJSE_Value_ToObject(pObject.get(), nullptr));
+    delete ToThisProxy(pObject.get(), nullptr);
     FXJSE_Context_Release(pVariableContext);
   }
   m_mapVariableToContext.RemoveAll();
 }
 
 void CXFA_ScriptContext::DefineJsClass() {
   m_pJsClass = FXJSE_DefineClass(m_pJsContext, &NormalClassDescriptor);
 }
 
 void CXFA_ScriptContext::RemoveBuiltInObjs(CFXJSE_Context* pContext) const {
@@ skipping 101 matching lines @@
       nRet = m_pResolveProcessor->XFA_ResolveNodes(rndFind);
       if (nRet < 1) {
         continue;
       }
       if (rndFind.m_dwFlag == XFA_RESOVENODE_RSTYPE_Attribute &&
           rndFind.m_pScriptAttribute && nStart < wsExpression.GetLength()) {
         std::unique_ptr<CFXJSE_Value> pValue(new CFXJSE_Value(m_pIsolate));
         (rndFind.m_Nodes[0]->*(rndFind.m_pScriptAttribute->lpfnCallback))(
             pValue.get(), FALSE,
             (XFA_ATTRIBUTE)rndFind.m_pScriptAttribute->eAttribute);
-        rndFind.m_Nodes.SetAt(0, static_cast<CXFA_Object*>(FXJSE_Value_ToObject(
-                                     pValue.get(), nullptr)));
+        rndFind.m_Nodes.SetAt(0, ToObject(pValue.get(), nullptr));
       }
       int32_t iSize = m_upObjectArray.GetSize();
       if (iSize) {
         m_upObjectArray.RemoveAt(iSize - 1);
       }
       retNodes.Append(rndFind.m_Nodes);
       rndFind.m_Nodes.RemoveAll();
       if (bDataBind) {
         break;
       }
@@ skipping 94 matching lines @@
   }
 }
 void CXFA_ScriptContext::AddNodesOfRunScript(CXFA_Node* pNode) {
   if (!m_pScriptNodeArray) {
     return;
   }
   if (m_pScriptNodeArray->Find(pNode) == -1) {
     m_pScriptNodeArray->Add(pNode);
   }
 }