17 files changed, 45 insertions, 951 deletions

diff --git a/xfa/fxfa/parser/cscript_eventpseudomodel.cpp b/xfa/fxfa/parser/cscript_eventpseudomodel.cpp
index ecf2a98915..1f20f291e6 100644
--- a/xfa/fxfa/parser/cscript_eventpseudomodel.cpp
+++ b/xfa/fxfa/parser/cscript_eventpseudomodel.cpp
@@ -7,12 +7,12 @@
 #include "xfa/fxfa/parser/cscript_eventpseudomodel.h"
 
 #include "fxjs/cfxjse_arguments.h"
+#include "fxjs/cfxjse_engine.h"
 #include "xfa/fxfa/cxfa_eventparam.h"
 #include "xfa/fxfa/cxfa_ffnotify.h"
 #include "xfa/fxfa/cxfa_ffwidgethandler.h"
 #include "xfa/fxfa/parser/cxfa_document.h"
 #include "xfa/fxfa/parser/cxfa_localemgr.h"
-#include "xfa/fxfa/parser/cxfa_scriptcontext.h"
 #include "xfa/fxfa/parser/xfa_utils.h"
 
 namespace {
@@ -54,7 +54,7 @@ CScript_EventPseudoModel::~CScript_EventPseudoModel() {}
 void CScript_EventPseudoModel::Property(CFXJSE_Value* pValue,
                                         XFA_Event dwFlag,
                                         bool bSetting) {
-  CXFA_ScriptContext* pScriptContext = m_pDocument->GetScriptContext();
+  CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
   if (!pScriptContext)
     return;
 
@@ -198,7 +198,7 @@ void CScript_EventPseudoModel::Target(CFXJSE_Value* pValue,
   Property(pValue, XFA_Event::Target, bSetting);
 }
 void CScript_EventPseudoModel::Emit(CFXJSE_Arguments* pArguments) {
-  CXFA_ScriptContext* pScriptContext = m_pDocument->GetScriptContext();
+  CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
   if (!pScriptContext) {
     return;
   }
@@ -217,7 +217,7 @@ void CScript_EventPseudoModel::Emit(CFXJSE_Arguments* pArguments) {
   pWidgetHandler->ProcessEvent(pEventParam->m_pTarget, pEventParam);
 }
 void CScript_EventPseudoModel::Reset(CFXJSE_Arguments* pArguments) {
-  CXFA_ScriptContext* pScriptContext = m_pDocument->GetScriptContext();
+  CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
   if (!pScriptContext) {
     return;
   }
diff --git a/xfa/fxfa/parser/cscript_hostpseudomodel.cpp b/xfa/fxfa/parser/cscript_hostpseudomodel.cpp
index f1eaff8c93..c074e0ed2e 100644
--- a/xfa/fxfa/parser/cscript_hostpseudomodel.cpp
+++ b/xfa/fxfa/parser/cscript_hostpseudomodel.cpp
@@ -9,12 +9,12 @@
 #include <memory>
 
 #include "fxjs/cfxjse_arguments.h"
+#include "fxjs/cfxjse_engine.h"
 #include "xfa/fxfa/cxfa_ffnotify.h"
 #include "xfa/fxfa/parser/cxfa_document.h"
 #include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
 #include "xfa/fxfa/parser/cxfa_localemgr.h"
 #include "xfa/fxfa/parser/cxfa_node.h"
-#include "xfa/fxfa/parser/cxfa_scriptcontext.h"
 #include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
 #include "xfa/fxfa/parser/xfa_utils.h"
 
@@ -244,7 +244,7 @@ void CScript_HostPseudoModel::OpenList(CFXJSE_Arguments* pArguments) {
     if (pValue->IsObject()) {
       pNode = ToNode(pValue.get(), nullptr);
     } else if (pValue->IsString()) {
-      CXFA_ScriptContext* pScriptContext = m_pDocument->GetScriptContext();
+      CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
       if (!pScriptContext)
         return;
 
@@ -364,7 +364,7 @@ void CScript_HostPseudoModel::ResetData(CFXJSE_Arguments* pArguments) {
   int32_t iExpLength = wsExpression.GetLength();
   while (iStart < iExpLength) {
     iStart = XFA_FilterName(wsExpression.AsStringView(), iStart, wsName);
-    CXFA_ScriptContext* pScriptContext = m_pDocument->GetScriptContext();
+    CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
     if (!pScriptContext)
       return;
 
@@ -425,7 +425,7 @@ void CScript_HostPseudoModel::SetFocus(CFXJSE_Arguments* pArguments) {
     if (pValue->IsObject()) {
       pNode = ToNode(pValue.get(), nullptr);
     } else if (pValue->IsString()) {
-      CXFA_ScriptContext* pScriptContext = m_pDocument->GetScriptContext();
+      CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
       if (!pScriptContext)
         return;
 
diff --git a/xfa/fxfa/parser/cscript_layoutpseudomodel.cpp b/xfa/fxfa/parser/cscript_layoutpseudomodel.cpp
index e35a3b8aa0..3195b8448d 100644
--- a/xfa/fxfa/parser/cscript_layoutpseudomodel.cpp
+++ b/xfa/fxfa/parser/cscript_layoutpseudomodel.cpp
@@ -9,6 +9,7 @@
 #include <set>
 
 #include "fxjs/cfxjse_arguments.h"
+#include "fxjs/cfxjse_engine.h"
 #include "third_party/base/stl_util.h"
 #include "xfa/fxfa/cxfa_ffnotify.h"
 #include "xfa/fxfa/parser/cxfa_arraynodelist.h"
@@ -20,7 +21,6 @@
 #include "xfa/fxfa/parser/cxfa_localemgr.h"
 #include "xfa/fxfa/parser/cxfa_measurement.h"
 #include "xfa/fxfa/parser/cxfa_node.h"
-#include "xfa/fxfa/parser/cxfa_scriptcontext.h"
 #include "xfa/fxfa/parser/cxfa_traversestrategy_contentlayoutitem.h"
 #include "xfa/fxfa/parser/xfa_utils.h"
 
diff --git a/xfa/fxfa/parser/cscript_signaturepseudomodel.cpp b/xfa/fxfa/parser/cscript_signaturepseudomodel.cpp
index a1136b1ddf..ff98953590 100644
--- a/xfa/fxfa/parser/cscript_signaturepseudomodel.cpp
+++ b/xfa/fxfa/parser/cscript_signaturepseudomodel.cpp
@@ -7,10 +7,10 @@
 #include "xfa/fxfa/parser/cscript_signaturepseudomodel.h"
 
 #include "fxjs/cfxjse_arguments.h"
+#include "fxjs/cfxjse_engine.h"
 #include "xfa/fxfa/cxfa_ffnotify.h"
 #include "xfa/fxfa/parser/cxfa_document.h"
 #include "xfa/fxfa/parser/cxfa_localemgr.h"
-#include "xfa/fxfa/parser/cxfa_scriptcontext.h"
 #include "xfa/fxfa/parser/xfa_utils.h"
 
 CScript_SignaturePseudoModel::CScript_SignaturePseudoModel(
diff --git a/xfa/fxfa/parser/cxfa_document.cpp b/xfa/fxfa/parser/cxfa_document.cpp
index cd60f47bed..3ab1a988b5 100644
--- a/xfa/fxfa/parser/cxfa_document.cpp
+++ b/xfa/fxfa/parser/cxfa_document.cpp
@@ -7,6 +7,7 @@
 #include "xfa/fxfa/parser/cxfa_document.h"
 
 #include "core/fxcrt/fx_extension.h"
+#include "fxjs/cfxjse_engine.h"
 #include "xfa/fxfa/cxfa_ffnotify.h"
 #include "xfa/fxfa/parser/cscript_datawindow.h"
 #include "xfa/fxfa/parser/cscript_eventpseudomodel.h"
@@ -18,7 +19,6 @@
 #include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
 #include "xfa/fxfa/parser/cxfa_localemgr.h"
 #include "xfa/fxfa/parser/cxfa_node.h"
-#include "xfa/fxfa/parser/cxfa_scriptcontext.h"
 #include "xfa/fxfa/parser/cxfa_traversestrategy_xfanode.h"
 #include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
 #include "xfa/fxfa/parser/xfa_utils.h"
@@ -284,15 +284,15 @@ CXFA_LocaleMgr* CXFA_Document::GetLocalMgr() {
   return m_pLocalMgr.get();
 }
 
-CXFA_ScriptContext* CXFA_Document::InitScriptContext(v8::Isolate* pIsolate) {
-  CXFA_ScriptContext* result = GetScriptContext();
+CFXJSE_Engine* CXFA_Document::InitScriptContext(v8::Isolate* pIsolate) {
+  CFXJSE_Engine* result = GetScriptContext();
   result->Initialize(pIsolate);
   return result;
 }
 
-CXFA_ScriptContext* CXFA_Document::GetScriptContext() {
+CFXJSE_Engine* CXFA_Document::GetScriptContext() {
   if (!m_pScriptContext)
-    m_pScriptContext = pdfium::MakeUnique<CXFA_ScriptContext>(this);
+    m_pScriptContext = pdfium::MakeUnique<CFXJSE_Engine>(this);
   return m_pScriptContext.get();
 }
 
diff --git a/xfa/fxfa/parser/cxfa_document.h b/xfa/fxfa/parser/cxfa_document.h
index 69154b21e8..7b71f7bf56 100644
--- a/xfa/fxfa/parser/cxfa_document.h
+++ b/xfa/fxfa/parser/cxfa_document.h
@@ -55,14 +55,14 @@ class CXFA_LayoutProcessor;
 class CXFA_DocumentParser;
 class CXFA_ContainerLayoutItem;
 class CXFA_FFNotify;
-class CXFA_ScriptContext;
+class CFXJSE_Engine;
 
 class CXFA_Document {
  public:
   explicit CXFA_Document(CXFA_DocumentParser* pParser);
   ~CXFA_Document();
 
-  CXFA_ScriptContext* InitScriptContext(v8::Isolate* pIsolate);
+  CFXJSE_Engine* InitScriptContext(v8::Isolate* pIsolate);
 
   CXFA_Node* GetRoot() const { return m_pRootNode; }
 
@@ -74,7 +74,7 @@ class CXFA_Document {
   CXFA_Node* GetNotBindNode(const std::vector<CXFA_Object*>& arrayNodes);
   CXFA_LayoutProcessor* GetLayoutProcessor();
   CXFA_LayoutProcessor* GetDocLayout();
-  CXFA_ScriptContext* GetScriptContext();
+  CFXJSE_Engine* GetScriptContext();
 
   void SetRoot(CXFA_Node* pNewRoot);
 
@@ -111,7 +111,7 @@ class CXFA_Document {
  private:
   CXFA_DocumentParser* m_pParser;
   CXFA_Node* m_pRootNode;
-  std::unique_ptr<CXFA_ScriptContext> m_pScriptContext;
+  std::unique_ptr<CFXJSE_Engine> m_pScriptContext;
   std::unique_ptr<CXFA_LayoutProcessor> m_pLayoutProcessor;
   std::unique_ptr<CXFA_LocaleMgr> m_pLocalMgr;
   std::unique_ptr<CScript_DataWindow> m_pScriptDataWindow;
diff --git a/xfa/fxfa/parser/cxfa_layoutpagemgr.cpp b/xfa/fxfa/parser/cxfa_layoutpagemgr.cpp
index a9e5449e3f..759d19de79 100644
--- a/xfa/fxfa/parser/cxfa_layoutpagemgr.cpp
+++ b/xfa/fxfa/parser/cxfa_layoutpagemgr.cpp
@@ -6,6 +6,7 @@
 
 #include "xfa/fxfa/parser/cxfa_layoutpagemgr.h"
 
+#include "fxjs/cfxjse_engine.h"
 #include "third_party/base/stl_util.h"
 #include "xfa/fxfa/cxfa_ffnotify.h"
 #include "xfa/fxfa/parser/cxfa_containerlayoutitem.h"
@@ -17,7 +18,6 @@
 #include "xfa/fxfa/parser/cxfa_measurement.h"
 #include "xfa/fxfa/parser/cxfa_node.h"
 #include "xfa/fxfa/parser/cxfa_object.h"
-#include "xfa/fxfa/parser/cxfa_scriptcontext.h"
 #include "xfa/fxfa/parser/cxfa_traversestrategy_contentareacontainerlayoutitem.h"
 #include "xfa/fxfa/parser/cxfa_traversestrategy_layoutitem.h"
 #include "xfa/fxfa/parser/cxfa_traversestrategy_xfacontainernode.h"
diff --git a/xfa/fxfa/parser/cxfa_node.cpp b/xfa/fxfa/parser/cxfa_node.cpp
index 0a95b5f0ee..f9333187a2 100644
--- a/xfa/fxfa/parser/cxfa_node.cpp
+++ b/xfa/fxfa/parser/cxfa_node.cpp
@@ -19,6 +19,7 @@
 #include "core/fxcrt/xml/cfx_xmlelement.h"
 #include "core/fxcrt/xml/cfx_xmlnode.h"
 #include "core/fxcrt/xml/cfx_xmltext.h"
+#include "fxjs/cfxjse_engine.h"
 #include "fxjs/cfxjse_value.h"
 #include "third_party/base/logging.h"
 #include "third_party/base/ptr_util.h"
@@ -32,7 +33,6 @@
 #include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
 #include "xfa/fxfa/parser/cxfa_measurement.h"
 #include "xfa/fxfa/parser/cxfa_occur.h"
-#include "xfa/fxfa/parser/cxfa_scriptcontext.h"
 #include "xfa/fxfa/parser/cxfa_simple_parser.h"
 #include "xfa/fxfa/parser/cxfa_traversestrategy_xfacontainernode.h"
 #include "xfa/fxfa/parser/xfa_basic_data.h"
@@ -970,7 +970,7 @@ void CXFA_Node::Script_TreeClass_ResolveNode(CFXJSE_Arguments* pArguments) {
   }
   WideString wsExpression =
       WideString::FromUTF8(pArguments->GetUTF8String(0).AsStringView());
-  CXFA_ScriptContext* pScriptContext = m_pDocument->GetScriptContext();
+  CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
   if (!pScriptContext)
     return;
   CXFA_Node* refNode = this;
@@ -1029,7 +1029,7 @@ void CXFA_Node::Script_Som_ResolveNodeList(CFXJSE_Value* pValue,
                                            WideString wsExpression,
                                            uint32_t dwFlag,
                                            CXFA_Node* refNode) {
-  CXFA_ScriptContext* pScriptContext = m_pDocument->GetScriptContext();
+  CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
   if (!pScriptContext)
     return;
   XFA_RESOLVENODE_RS resoveNodeRS;
@@ -1073,7 +1073,7 @@ void CXFA_Node::Script_TreeClass_All(CFXJSE_Value* pValue,
 void CXFA_Node::Script_TreeClass_Nodes(CFXJSE_Value* pValue,
                                        bool bSetting,
                                        XFA_ATTRIBUTE eAttribute) {
-  CXFA_ScriptContext* pScriptContext = m_pDocument->GetScriptContext();
+  CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
   if (!pScriptContext)
     return;
   if (bSetting) {
@@ -4259,7 +4259,7 @@ bool CXFA_Node::TryContent(WideString& wsContent,
   }
   if (pNode) {
     if (bScriptModify) {
-      CXFA_ScriptContext* pScriptContext = m_pDocument->GetScriptContext();
+      CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
       if (pScriptContext) {
         m_pDocument->GetScriptContext()->AddNodesOfRunScript(this);
       }
@@ -4622,7 +4622,7 @@ CXFA_Node* CXFA_Node::GetNextSameClassSibling(XFA_Element eType) const {
 }
 
 int32_t CXFA_Node::GetNodeSameNameIndex() const {
-  CXFA_ScriptContext* pScriptContext = m_pDocument->GetScriptContext();
+  CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
   if (!pScriptContext) {
     return -1;
   }
@@ -4630,7 +4630,7 @@ int32_t CXFA_Node::GetNodeSameNameIndex() const {
 }
 
 int32_t CXFA_Node::GetNodeSameClassIndex() const {
-  CXFA_ScriptContext* pScriptContext = m_pDocument->GetScriptContext();
+  CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
   if (!pScriptContext) {
     return -1;
   }
@@ -4638,7 +4638,7 @@ int32_t CXFA_Node::GetNodeSameClassIndex() const {
 }
 
 void CXFA_Node::GetSOMExpression(WideString& wsSOMExpression) {
-  CXFA_ScriptContext* pScriptContext = m_pDocument->GetScriptContext();
+  CFXJSE_Engine* pScriptContext = m_pDocument->GetScriptContext();
   if (!pScriptContext) {
     return;
   }
diff --git a/xfa/fxfa/parser/cxfa_nodehelper.cpp b/xfa/fxfa/parser/cxfa_nodehelper.cpp
index bc91c66f77..289149998e 100644
--- a/xfa/fxfa/parser/cxfa_nodehelper.cpp
+++ b/xfa/fxfa/parser/cxfa_nodehelper.cpp
@@ -7,10 +7,10 @@
 #include "xfa/fxfa/parser/cxfa_nodehelper.h"
 
 #include "core/fxcrt/fx_extension.h"
+#include "fxjs/cfxjse_engine.h"
 #include "xfa/fxfa/parser/cxfa_document.h"
 #include "xfa/fxfa/parser/cxfa_localemgr.h"
 #include "xfa/fxfa/parser/cxfa_node.h"
-#include "xfa/fxfa/parser/cxfa_scriptcontext.h"
 #include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
 #include "xfa/fxfa/parser/xfa_utils.h"
 
@@ -313,11 +313,10 @@ bool CXFA_NodeHelper::CreateNode_ForCondition(WideString& wsCondition) {
   return false;
 }
 
-bool CXFA_NodeHelper::ResolveNodes_CreateNode(
-    WideString wsName,
-    WideString wsCondition,
-    bool bLastNode,
-    CXFA_ScriptContext* pScriptContext) {
+bool CXFA_NodeHelper::ResolveNodes_CreateNode(WideString wsName,
+                                              WideString wsCondition,
+                                              bool bLastNode,
+                                              CFXJSE_Engine* pScriptContext) {
   if (!m_pCreateParent) {
     return false;
   }
diff --git a/xfa/fxfa/parser/cxfa_nodehelper.h b/xfa/fxfa/parser/cxfa_nodehelper.h
index 4c7d7ae10c..6c63a7b4ae 100644
--- a/xfa/fxfa/parser/cxfa_nodehelper.h
+++ b/xfa/fxfa/parser/cxfa_nodehelper.h
@@ -11,7 +11,7 @@
 
 #include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
 
-class CXFA_ScriptContext;
+class CFXJSE_Engine;
 
 enum XFA_LOGIC_TYPE {
   XFA_LOGIC_NoTransparent,
@@ -56,7 +56,7 @@ class CXFA_NodeHelper {
   bool ResolveNodes_CreateNode(WideString wsName,
                                WideString wsCondition,
                                bool bLastNode,
-                               CXFA_ScriptContext* pScriptContext);
+                               CFXJSE_Engine* pScriptContext);
   bool CreateNode_ForCondition(WideString& wsCondition);
   void SetCreateNodeType(CXFA_Node* refNode);
   bool NodeIsProperty(CXFA_Node* refNode);
diff --git a/xfa/fxfa/parser/cxfa_nodelist.cpp b/xfa/fxfa/parser/cxfa_nodelist.cpp
index cea1f127a6..cbee420870 100644
--- a/xfa/fxfa/parser/cxfa_nodelist.cpp
+++ b/xfa/fxfa/parser/cxfa_nodelist.cpp
@@ -9,9 +9,9 @@
 #include <memory>
 
 #include "core/fxcrt/fx_extension.h"
+#include "fxjs/cfxjse_engine.h"
 #include "xfa/fxfa/parser/cxfa_document.h"
 #include "xfa/fxfa/parser/cxfa_node.h"
-#include "xfa/fxfa/parser/cxfa_scriptcontext.h"
 
 CXFA_NodeList::CXFA_NodeList(CXFA_Document* pDocument)
     : CXFA_Object(pDocument,
diff --git a/xfa/fxfa/parser/cxfa_resolveprocessor.cpp b/xfa/fxfa/parser/cxfa_resolveprocessor.cpp
index 4d0ec516b2..a72ad7b3f6 100644
--- a/xfa/fxfa/parser/cxfa_resolveprocessor.cpp
+++ b/xfa/fxfa/parser/cxfa_resolveprocessor.cpp
@@ -11,6 +11,7 @@
 #include <vector>
 
 #include "core/fxcrt/fx_extension.h"
+#include "fxjs/cfxjse_engine.h"
 #include "third_party/base/ptr_util.h"
 #include "third_party/base/stl_util.h"
 #include "xfa/fxfa/parser/cxfa_document.h"
@@ -18,7 +19,6 @@
 #include "xfa/fxfa/parser/cxfa_node.h"
 #include "xfa/fxfa/parser/cxfa_nodehelper.h"
 #include "xfa/fxfa/parser/cxfa_object.h"
-#include "xfa/fxfa/parser/cxfa_scriptcontext.h"
 #include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
 #include "xfa/fxfa/parser/xfa_utils.h"
 
@@ -669,7 +669,7 @@ void CXFA_ResolveProcessor::DoPredicateFilter(int32_t iCurIndex,
     return;
   }
 
-  CXFA_ScriptContext* pContext = rnd.m_pSC;
+  CFXJSE_Engine* pContext = rnd.m_pSC;
   wsExpression = wsCondition.Mid(2, wsCondition.GetLength() - 3);
   for (int32_t i = iFoundCount - 1; i >= 0; i--) {
     auto pRetValue = pdfium::MakeUnique<CFXJSE_Value>(rnd.m_pSC->GetRuntime());
@@ -781,7 +781,7 @@ void CXFA_ResolveProcessor::SetIndexDataBind(WideString& wsNextCondition,
   }
 }
 
-CXFA_ResolveNodesData::CXFA_ResolveNodesData(CXFA_ScriptContext* pSC)
+CXFA_ResolveNodesData::CXFA_ResolveNodesData(CFXJSE_Engine* pSC)
     : m_pSC(pSC),
       m_CurObject(nullptr),
       m_wsName(),
diff --git a/xfa/fxfa/parser/cxfa_resolveprocessor.h b/xfa/fxfa/parser/cxfa_resolveprocessor.h
index b48ee36476..c12dfdc80d 100644
--- a/xfa/fxfa/parser/cxfa_resolveprocessor.h
+++ b/xfa/fxfa/parser/cxfa_resolveprocessor.h
@@ -13,14 +13,14 @@
 #include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
 
 class CXFA_NodeHelper;
-class CXFA_ScriptContext;
+class CFXJSE_Engine;
 
 class CXFA_ResolveNodesData {
  public:
-  explicit CXFA_ResolveNodesData(CXFA_ScriptContext* pSC = nullptr);
+  explicit CXFA_ResolveNodesData(CFXJSE_Engine* pSC = nullptr);
   ~CXFA_ResolveNodesData();
 
-  CXFA_ScriptContext* m_pSC;
+  CFXJSE_Engine* m_pSC;
   CXFA_Object* m_CurObject;
   WideString m_wsName;
   XFA_HashCode m_uHashName;
diff --git a/xfa/fxfa/parser/cxfa_scriptcontext.cpp b/xfa/fxfa/parser/cxfa_scriptcontext.cpp
deleted file mode 100644
index 4e78f46f17..0000000000
--- a/xfa/fxfa/parser/cxfa_scriptcontext.cpp
+++ /dev/null
@@ -1,779 +0,0 @@
-// 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/cxfa_scriptcontext.h"
-
-#include <utility>
-
-#include "core/fxcrt/autorestorer.h"
-#include "core/fxcrt/cfx_widetextbuf.h"
-#include "core/fxcrt/fx_extension.h"
-#include "fxjs/cfxjse_arguments.h"
-#include "fxjs/cfxjse_class.h"
-#include "fxjs/cfxjse_value.h"
-#include "third_party/base/ptr_util.h"
-#include "third_party/base/stl_util.h"
-#include "xfa/fxfa/cxfa_eventparam.h"
-#include "xfa/fxfa/cxfa_ffnotify.h"
-#include "xfa/fxfa/parser/cxfa_document.h"
-#include "xfa/fxfa/parser/cxfa_localemgr.h"
-#include "xfa/fxfa/parser/cxfa_node.h"
-#include "xfa/fxfa/parser/cxfa_nodehelper.h"
-#include "xfa/fxfa/parser/cxfa_nodelist.h"
-#include "xfa/fxfa/parser/cxfa_object.h"
-#include "xfa/fxfa/parser/cxfa_resolveprocessor.h"
-#include "xfa/fxfa/parser/cxfa_thisproxy.h"
-#include "xfa/fxfa/parser/xfa_basic_data.h"
-#include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
-#include "xfa/fxfa/parser/xfa_utils.h"
-
-namespace {
-
-const FXJSE_CLASS_DESCRIPTOR GlobalClassDescriptor = {
-    "Root",   // name
-    nullptr,  // constructor
-    nullptr,  // properties
-    nullptr,  // methods
-    0,        // property count
-    0,        // method count
-    CXFA_ScriptContext::GlobalPropTypeGetter,
-    CXFA_ScriptContext::GlobalPropertyGetter,
-    CXFA_ScriptContext::GlobalPropertySetter,
-    nullptr,  // property deleter
-    CXFA_ScriptContext::NormalMethodCall,
-};
-
-const FXJSE_CLASS_DESCRIPTOR NormalClassDescriptor = {
-    "XFAObject",  // name
-    nullptr,      // constructor
-    nullptr,      // properties
-    nullptr,      // methods
-    0,            // property count
-    0,            // method count
-    CXFA_ScriptContext::NormalPropTypeGetter,
-    CXFA_ScriptContext::NormalPropertyGetter,
-    CXFA_ScriptContext::NormalPropertySetter,
-    nullptr,  // property deleter
-    CXFA_ScriptContext::NormalMethodCall,
-};
-
-const FXJSE_CLASS_DESCRIPTOR VariablesClassDescriptor = {
-    "XFAScriptObject",  // name
-    nullptr,            // constructor
-    nullptr,            // properties
-    nullptr,            // methods
-    0,                  // property count
-    0,                  // method count
-    CXFA_ScriptContext::NormalPropTypeGetter,
-    CXFA_ScriptContext::GlobalPropertyGetter,
-    CXFA_ScriptContext::GlobalPropertySetter,
-    nullptr,  // property deleter
-    CXFA_ScriptContext::NormalMethodCall,
-};
-
-const char kFormCalcRuntime[] = "pfm_rt";
-
-CXFA_ThisProxy* ToThisProxy(CFXJSE_Value* pValue, CFXJSE_Class* pClass) {
-  return static_cast<CXFA_ThisProxy*>(pValue->ToHostObject(pClass));
-}
-
-const XFA_METHODINFO* GetMethodByName(XFA_Element eElement,
-                                      const WideStringView& wsMethodName) {
-  if (wsMethodName.IsEmpty())
-    return nullptr;
-
-  int32_t iElementIndex = static_cast<int32_t>(eElement);
-  while (iElementIndex >= 0 && iElementIndex < g_iScriptIndexCount) {
-    const XFA_SCRIPTHIERARCHY* scriptIndex = g_XFAScriptIndex + iElementIndex;
-    int32_t icount = scriptIndex->wMethodCount;
-    if (icount == 0) {
-      iElementIndex = scriptIndex->wParentIndex;
-      continue;
-    }
-    uint32_t uHash = FX_HashCode_GetW(wsMethodName, false);
-    int32_t iStart = scriptIndex->wMethodStart;
-    // TODO(dsinclair): Switch to std::lower_bound.
-    int32_t iEnd = iStart + icount - 1;
-    do {
-      int32_t iMid = (iStart + iEnd) / 2;
-      const XFA_METHODINFO* pInfo = g_SomMethodData + iMid;
-      if (uHash == pInfo->uHash)
-        return pInfo;
-      if (uHash < pInfo->uHash)
-        iEnd = iMid - 1;
-      else
-        iStart = iMid + 1;
-    } while (iStart <= iEnd);
-    iElementIndex = scriptIndex->wParentIndex;
-  }
-  return nullptr;
-}
-
-}  // namespace
-
-// static.
-CXFA_Object* CXFA_ScriptContext::ToObject(CFXJSE_Value* pValue,
-                                          CFXJSE_Class* pClass) {
-  CFXJSE_HostObject* pHostObj = pValue->ToHostObject(pClass);
-  if (!pHostObj || pHostObj->type() != CFXJSE_HostObject::kXFA)
-    return nullptr;
-  return static_cast<CXFA_Object*>(pHostObj);
-}
-
-CXFA_ScriptContext::CXFA_ScriptContext(CXFA_Document* pDocument)
-    : m_pDocument(pDocument),
-      m_pIsolate(nullptr),
-      m_pJsClass(nullptr),
-      m_eScriptType(XFA_SCRIPTLANGTYPE_Unkown),
-      m_pScriptNodeArray(nullptr),
-      m_pThisObject(nullptr),
-      m_dwBuiltInInFlags(0),
-      m_eRunAtType(XFA_ATTRIBUTEENUM_Client) {}
-
-CXFA_ScriptContext::~CXFA_ScriptContext() {
-  for (const auto& pair : m_mapVariableToContext)
-    delete ToThisProxy(pair.second->GetGlobalObject().get(), nullptr);
-}
-
-void CXFA_ScriptContext::Initialize(v8::Isolate* pIsolate) {
-  m_pIsolate = pIsolate;
-  DefineJsContext();
-  DefineJsClass();
-  m_ResolveProcessor = pdfium::MakeUnique<CXFA_ResolveProcessor>();
-}
-
-bool CXFA_ScriptContext::RunScript(XFA_SCRIPTLANGTYPE eScriptType,
-                                   const WideStringView& wsScript,
-                                   CFXJSE_Value* hRetValue,
-                                   CXFA_Object* pThisObject) {
-  ByteString btScript;
-  AutoRestorer<XFA_SCRIPTLANGTYPE> typeRestorer(&m_eScriptType);
-  m_eScriptType = eScriptType;
-  if (eScriptType == XFA_SCRIPTLANGTYPE_Formcalc) {
-    if (!m_FM2JSContext) {
-      m_FM2JSContext = pdfium::MakeUnique<CXFA_FM2JSContext>(
-          m_pIsolate, m_JsContext.get(), m_pDocument.Get());
-    }
-    CFX_WideTextBuf wsJavaScript;
-    if (!CXFA_FM2JSContext::Translate(wsScript, &wsJavaScript)) {
-      hRetValue->SetUndefined();
-      return false;
-    }
-    btScript = FX_UTF8Encode(wsJavaScript.AsStringView());
-  } else {
-    btScript = FX_UTF8Encode(wsScript);
-  }
-  AutoRestorer<CXFA_Object*> nodeRestorer(&m_pThisObject);
-  m_pThisObject = pThisObject;
-  CFXJSE_Value* pValue = pThisObject ? GetJSValueFromMap(pThisObject) : nullptr;
-  return m_JsContext->ExecuteScript(btScript.c_str(), hRetValue, pValue);
-}
-
-void CXFA_ScriptContext::GlobalPropertySetter(CFXJSE_Value* pObject,
-                                              const ByteStringView& szPropName,
-                                              CFXJSE_Value* pValue) {
-  CXFA_Object* lpOrginalNode = ToObject(pObject, nullptr);
-  CXFA_Document* pDoc = lpOrginalNode->GetDocument();
-  CXFA_ScriptContext* lpScriptContext = pDoc->GetScriptContext();
-  CXFA_Object* lpCurNode = lpScriptContext->GetVariablesThis(lpOrginalNode);
-  WideString wsPropName = 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->IsVariablesThis())
-    pRefNode = ToNode(lpCurNode);
-  if (lpScriptContext->QueryNodeByFlag(pRefNode, wsPropName.AsStringView(),
-                                       pValue, dwFlag, true)) {
-    return;
-  }
-  if (lpOrginalNode->IsVariablesThis()) {
-    if (pValue && pValue->IsUndefined()) {
-      pObject->SetObjectOwnProperty(szPropName, pValue);
-      return;
-    }
-  }
-  CXFA_FFNotify* pNotify = pDoc->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  pNotify->GetDocEnvironment()->SetGlobalProperty(pNotify->GetHDOC(),
-                                                  szPropName, pValue);
-}
-bool CXFA_ScriptContext::QueryNodeByFlag(CXFA_Node* refNode,
-                                         const WideStringView& propname,
-                                         CFXJSE_Value* pValue,
-                                         uint32_t dwFlag,
-                                         bool bSetting) {
-  if (!refNode)
-    return false;
-  XFA_RESOLVENODE_RS resolveRs;
-  if (ResolveObjects(refNode, propname, resolveRs, dwFlag) <= 0)
-    return false;
-  if (resolveRs.dwFlags == XFA_RESOVENODE_RSTYPE_Nodes) {
-    pValue->Assign(GetJSValueFromMap(resolveRs.objects.front()));
-    return true;
-  }
-  if (resolveRs.dwFlags == XFA_RESOVENODE_RSTYPE_Attribute) {
-    const XFA_SCRIPTATTRIBUTEINFO* lpAttributeInfo = resolveRs.pScriptAttribute;
-    if (lpAttributeInfo) {
-      (resolveRs.objects.front()->*(lpAttributeInfo->lpfnCallback))(
-          pValue, bSetting, (XFA_ATTRIBUTE)lpAttributeInfo->eAttribute);
-    }
-  }
-  return true;
-}
-void CXFA_ScriptContext::GlobalPropertyGetter(CFXJSE_Value* pObject,
-                                              const ByteStringView& szPropName,
-                                              CFXJSE_Value* pValue) {
-  CXFA_Object* pOriginalObject = ToObject(pObject, nullptr);
-  CXFA_Document* pDoc = pOriginalObject->GetDocument();
-  CXFA_ScriptContext* lpScriptContext = pDoc->GetScriptContext();
-  CXFA_Object* lpCurNode = lpScriptContext->GetVariablesThis(pOriginalObject);
-  WideString wsPropName = WideString::FromUTF8(szPropName);
-  if (lpScriptContext->GetType() == XFA_SCRIPTLANGTYPE_Formcalc) {
-    if (szPropName == kFormCalcRuntime) {
-      lpScriptContext->m_FM2JSContext->GlobalPropertyGetter(pValue);
-      return;
-    }
-    XFA_HashCode uHashCode = static_cast<XFA_HashCode>(
-        FX_HashCode_GetW(wsPropName.AsStringView(), false));
-    if (uHashCode != XFA_HASHCODE_Layout) {
-      CXFA_Object* pObj =
-          lpScriptContext->GetDocument()->GetXFAObject(uHashCode);
-      if (pObj) {
-        pValue->Assign(lpScriptContext->GetJSValueFromMap(pObj));
-        return;
-      }
-    }
-  }
-  uint32_t dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Properties |
-                    XFA_RESOLVENODE_Attributes;
-  CXFA_Node* pRefNode = ToNode(lpScriptContext->GetThisObject());
-  if (pOriginalObject->IsVariablesThis()) {
-    pRefNode = ToNode(lpCurNode);
-  }
-  if (lpScriptContext->QueryNodeByFlag(pRefNode, wsPropName.AsStringView(),
-                                       pValue, dwFlag, false)) {
-    return;
-  }
-  dwFlag = XFA_RESOLVENODE_Parent | XFA_RESOLVENODE_Siblings;
-  if (lpScriptContext->QueryNodeByFlag(pRefNode, wsPropName.AsStringView(),
-                                       pValue, dwFlag, false)) {
-    return;
-  }
-  CXFA_Object* pScriptObject =
-      lpScriptContext->GetVariablesThis(pOriginalObject, true);
-  if (pScriptObject &&
-      lpScriptContext->QueryVariableValue(pScriptObject->AsNode(), szPropName,
-                                          pValue, true)) {
-    return;
-  }
-  CXFA_FFNotify* pNotify = pDoc->GetNotify();
-  if (!pNotify) {
-    return;
-  }
-  pNotify->GetDocEnvironment()->GetGlobalProperty(pNotify->GetHDOC(),
-                                                  szPropName, pValue);
-}
-void CXFA_ScriptContext::NormalPropertyGetter(CFXJSE_Value* pOriginalValue,
-                                              const ByteStringView& szPropName,
-                                              CFXJSE_Value* pReturnValue) {
-  CXFA_Object* pOriginalObject = ToObject(pOriginalValue, nullptr);
-  if (!pOriginalObject) {
-    pReturnValue->SetUndefined();
-    return;
-  }
-  WideString wsPropName = WideString::FromUTF8(szPropName);
-  CXFA_ScriptContext* lpScriptContext =
-      pOriginalObject->GetDocument()->GetScriptContext();
-  CXFA_Object* pObject = lpScriptContext->GetVariablesThis(pOriginalObject);
-  if (wsPropName == L"xfa") {
-    CFXJSE_Value* pValue = lpScriptContext->GetJSValueFromMap(
-        lpScriptContext->GetDocument()->GetRoot());
-    pReturnValue->Assign(pValue);
-    return;
-  }
-  uint32_t dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Properties |
-                    XFA_RESOLVENODE_Attributes;
-  bool bRet = lpScriptContext->QueryNodeByFlag(
-      ToNode(pObject), wsPropName.AsStringView(), pReturnValue, dwFlag, false);
-  if (bRet) {
-    return;
-  }
-  if (pObject == lpScriptContext->GetThisObject() ||
-      (lpScriptContext->GetType() == XFA_SCRIPTLANGTYPE_Javascript &&
-       !lpScriptContext->IsStrictScopeInJavaScript())) {
-    dwFlag = XFA_RESOLVENODE_Parent | XFA_RESOLVENODE_Siblings;
-    bRet = lpScriptContext->QueryNodeByFlag(ToNode(pObject),
-                                            wsPropName.AsStringView(),
-                                            pReturnValue, dwFlag, false);
-  }
-  if (bRet) {
-    return;
-  }
-  CXFA_Object* pScriptObject =
-      lpScriptContext->GetVariablesThis(pOriginalObject, true);
-  if (pScriptObject) {
-    bRet = lpScriptContext->QueryVariableValue(ToNode(pScriptObject),
-                                               szPropName, pReturnValue, true);
-  }
-  if (!bRet) {
-    pReturnValue->SetUndefined();
-  }
-}
-void CXFA_ScriptContext::NormalPropertySetter(CFXJSE_Value* pOriginalValue,
-                                              const ByteStringView& szPropName,
-                                              CFXJSE_Value* pReturnValue) {
-  CXFA_Object* pOriginalObject = ToObject(pOriginalValue, nullptr);
-  if (!pOriginalObject)
-    return;
-
-  CXFA_ScriptContext* lpScriptContext =
-      pOriginalObject->GetDocument()->GetScriptContext();
-  CXFA_Object* pObject = lpScriptContext->GetVariablesThis(pOriginalObject);
-  WideString wsPropName = WideString::FromUTF8(szPropName);
-  const XFA_SCRIPTATTRIBUTEINFO* lpAttributeInfo = XFA_GetScriptAttributeByName(
-      pObject->GetElementType(), wsPropName.AsStringView());
-  if (lpAttributeInfo) {
-    (pObject->*(lpAttributeInfo->lpfnCallback))(
-        pReturnValue, true, (XFA_ATTRIBUTE)lpAttributeInfo->eAttribute);
-  } else {
-    if (pObject->IsNode()) {
-      if (wsPropName[0] == '#') {
-        wsPropName = wsPropName.Right(wsPropName.GetLength() - 1);
-      }
-      CXFA_Node* pNode = ToNode(pObject);
-      CXFA_Node* pPropOrChild = nullptr;
-      XFA_Element eType = XFA_GetElementTypeForName(wsPropName.AsStringView());
-      if (eType != XFA_Element::Unknown)
-        pPropOrChild = pNode->GetProperty(0, eType);
-      else
-        pPropOrChild = pNode->GetFirstChildByName(wsPropName.AsStringView());
-
-      if (pPropOrChild) {
-        WideString wsDefaultName(L"{default}");
-        const XFA_SCRIPTATTRIBUTEINFO* lpAttrInfo =
-            XFA_GetScriptAttributeByName(pPropOrChild->GetElementType(),
-                                         wsDefaultName.AsStringView());
-        if (lpAttrInfo) {
-          (pPropOrChild->*(lpAttrInfo->lpfnCallback))(
-              pReturnValue, true, (XFA_ATTRIBUTE)lpAttrInfo->eAttribute);
-          return;
-        }
-      }
-    }
-    CXFA_Object* pScriptObject =
-        lpScriptContext->GetVariablesThis(pOriginalObject, true);
-    if (pScriptObject) {
-      lpScriptContext->QueryVariableValue(ToNode(pScriptObject), szPropName,
-                                          pReturnValue, false);
-    }
-  }
-}
-int32_t CXFA_ScriptContext::NormalPropTypeGetter(
-    CFXJSE_Value* pOriginalValue,
-    const ByteStringView& szPropName,
-    bool bQueryIn) {
-  CXFA_Object* pObject = ToObject(pOriginalValue, nullptr);
-  if (!pObject)
-    return FXJSE_ClassPropType_None;
-
-  CXFA_ScriptContext* lpScriptContext =
-      pObject->GetDocument()->GetScriptContext();
-  pObject = lpScriptContext->GetVariablesThis(pObject);
-  XFA_Element eType = pObject->GetElementType();
-  WideString wsPropName = WideString::FromUTF8(szPropName);
-  if (GetMethodByName(eType, wsPropName.AsStringView())) {
-    return FXJSE_ClassPropType_Method;
-  }
-  if (bQueryIn &&
-      !XFA_GetScriptAttributeByName(eType, wsPropName.AsStringView())) {
-    return FXJSE_ClassPropType_None;
-  }
-  return FXJSE_ClassPropType_Property;
-}
-int32_t CXFA_ScriptContext::GlobalPropTypeGetter(
-    CFXJSE_Value* pOriginalValue,
-    const ByteStringView& szPropName,
-    bool bQueryIn) {
-  CXFA_Object* pObject = ToObject(pOriginalValue, nullptr);
-  if (!pObject)
-    return FXJSE_ClassPropType_None;
-
-  CXFA_ScriptContext* lpScriptContext =
-      pObject->GetDocument()->GetScriptContext();
-  pObject = lpScriptContext->GetVariablesThis(pObject);
-  XFA_Element eType = pObject->GetElementType();
-  WideString wsPropName = WideString::FromUTF8(szPropName);
-  if (GetMethodByName(eType, wsPropName.AsStringView())) {
-    return FXJSE_ClassPropType_Method;
-  }
-  return FXJSE_ClassPropType_Property;
-}
-void CXFA_ScriptContext::NormalMethodCall(CFXJSE_Value* pThis,
-                                          const ByteStringView& szFuncName,
-                                          CFXJSE_Arguments& args) {
-  CXFA_Object* pObject = ToObject(pThis, nullptr);
-  if (!pObject)
-    return;
-
-  CXFA_ScriptContext* lpScriptContext =
-      pObject->GetDocument()->GetScriptContext();
-  pObject = lpScriptContext->GetVariablesThis(pObject);
-  WideString wsFunName = WideString::FromUTF8(szFuncName);
-  const XFA_METHODINFO* lpMethodInfo =
-      GetMethodByName(pObject->GetElementType(), wsFunName.AsStringView());
-  if (!lpMethodInfo)
-    return;
-
-  (pObject->*(lpMethodInfo->lpfnCallback))(&args);
-}
-bool CXFA_ScriptContext::IsStrictScopeInJavaScript() {
-  return m_pDocument->HasFlag(XFA_DOCFLAG_StrictScoping);
-}
-XFA_SCRIPTLANGTYPE CXFA_ScriptContext::GetType() {
-  return m_eScriptType;
-}
-void CXFA_ScriptContext::DefineJsContext() {
-  m_JsContext = CFXJSE_Context::Create(m_pIsolate, &GlobalClassDescriptor,
-                                       m_pDocument->GetRoot());
-  RemoveBuiltInObjs(m_JsContext.get());
-  m_JsContext->EnableCompatibleMode();
-}
-
-CFXJSE_Context* CXFA_ScriptContext::CreateVariablesContext(
-    CXFA_Node* pScriptNode,
-    CXFA_Node* pSubform) {
-  if (!pScriptNode || !pSubform)
-    return nullptr;
-
-  auto pNewContext =
-      CFXJSE_Context::Create(m_pIsolate, &VariablesClassDescriptor,
-                             new CXFA_ThisProxy(pSubform, pScriptNode));
-  RemoveBuiltInObjs(pNewContext.get());
-  pNewContext->EnableCompatibleMode();
-  CFXJSE_Context* pResult = pNewContext.get();
-  m_mapVariableToContext[pScriptNode] = std::move(pNewContext);
-  return pResult;
-}
-
-CXFA_Object* CXFA_ScriptContext::GetVariablesThis(CXFA_Object* pObject,
-                                                  bool bScriptNode) {
-  if (!pObject->IsVariablesThis())
-    return pObject;
-
-  CXFA_ThisProxy* pProxy = static_cast<CXFA_ThisProxy*>(pObject);
-  return bScriptNode ? pProxy->GetScriptNode() : pProxy->GetThisNode();
-}
-
-bool CXFA_ScriptContext::RunVariablesScript(CXFA_Node* pScriptNode) {
-  if (!pScriptNode)
-    return false;
-
-  if (pScriptNode->GetElementType() != XFA_Element::Script)
-    return true;
-
-  CXFA_Node* pParent = pScriptNode->GetNodeItem(XFA_NODEITEM_Parent);
-  if (!pParent || pParent->GetElementType() != XFA_Element::Variables)
-    return false;
-
-  auto it = m_mapVariableToContext.find(pScriptNode);
-  if (it != m_mapVariableToContext.end() && it->second)
-    return true;
-
-  CXFA_Node* pTextNode = pScriptNode->GetNodeItem(XFA_NODEITEM_FirstChild);
-  if (!pTextNode)
-    return false;
-
-  WideStringView wsScript;
-  if (!pTextNode->TryCData(XFA_ATTRIBUTE_Value, wsScript))
-    return false;
-
-  ByteString btScript = FX_UTF8Encode(wsScript);
-  auto hRetValue = pdfium::MakeUnique<CFXJSE_Value>(m_pIsolate);
-  CXFA_Node* pThisObject = pParent->GetNodeItem(XFA_NODEITEM_Parent);
-  CFXJSE_Context* pVariablesContext =
-      CreateVariablesContext(pScriptNode, pThisObject);
-  AutoRestorer<CXFA_Object*> nodeRestorer(&m_pThisObject);
-  m_pThisObject = pThisObject;
-  return pVariablesContext->ExecuteScript(btScript.c_str(), hRetValue.get());
-}
-
-bool CXFA_ScriptContext::QueryVariableValue(CXFA_Node* pScriptNode,
-                                            const ByteStringView& szPropName,
-                                            CFXJSE_Value* pValue,
-                                            bool bGetter) {
-  if (!pScriptNode || pScriptNode->GetElementType() != XFA_Element::Script)
-    return false;
-
-  CXFA_Node* variablesNode = pScriptNode->GetNodeItem(XFA_NODEITEM_Parent);
-  if (!variablesNode ||
-      variablesNode->GetElementType() != XFA_Element::Variables)
-    return false;
-
-  auto it = m_mapVariableToContext.find(pScriptNode);
-  if (it == m_mapVariableToContext.end() || !it->second)
-    return false;
-
-  CFXJSE_Context* pVariableContext = it->second.get();
-  std::unique_ptr<CFXJSE_Value> pObject = pVariableContext->GetGlobalObject();
-  auto hVariableValue = pdfium::MakeUnique<CFXJSE_Value>(m_pIsolate);
-  if (!bGetter) {
-    pObject->SetObjectOwnProperty(szPropName, pValue);
-    return true;
-  }
-  if (pObject->HasObjectOwnProperty(szPropName, false)) {
-    pObject->GetObjectProperty(szPropName, hVariableValue.get());
-    if (hVariableValue->IsFunction())
-      pValue->SetFunctionBind(hVariableValue.get(), pObject.get());
-    else if (bGetter)
-      pValue->Assign(hVariableValue.get());
-    else
-      hVariableValue.get()->Assign(pValue);
-    return true;
-  }
-  return false;
-}
-
-void CXFA_ScriptContext::DefineJsClass() {
-  m_pJsClass =
-      CFXJSE_Class::Create(m_JsContext.get(), &NormalClassDescriptor, false);
-}
-
-void CXFA_ScriptContext::RemoveBuiltInObjs(CFXJSE_Context* pContext) const {
-  static const ByteStringView OBJ_NAME[2] = {"Number", "Date"};
-  std::unique_ptr<CFXJSE_Value> pObject = pContext->GetGlobalObject();
-  auto hProp = pdfium::MakeUnique<CFXJSE_Value>(m_pIsolate);
-  for (int i = 0; i < 2; ++i) {
-    if (pObject->GetObjectProperty(OBJ_NAME[i], hProp.get()))
-      pObject->DeleteObjectProperty(OBJ_NAME[i]);
-  }
-}
-CFXJSE_Class* CXFA_ScriptContext::GetJseNormalClass() {
-  return m_pJsClass;
-}
-
-int32_t CXFA_ScriptContext::ResolveObjects(CXFA_Object* refObject,
-                                           const WideStringView& wsExpression,
-                                           XFA_RESOLVENODE_RS& resolveNodeRS,
-                                           uint32_t dwStyles,
-                                           CXFA_Node* bindNode) {
-  if (wsExpression.IsEmpty())
-    return 0;
-
-  if (m_eScriptType != XFA_SCRIPTLANGTYPE_Formcalc ||
-      (dwStyles & (XFA_RESOLVENODE_Parent | XFA_RESOLVENODE_Siblings))) {
-    m_upObjectArray.clear();
-  }
-  if (refObject && refObject->IsNode() &&
-      (dwStyles & (XFA_RESOLVENODE_Parent | XFA_RESOLVENODE_Siblings))) {
-    m_upObjectArray.push_back(refObject->AsNode());
-  }
-
-  bool bNextCreate = false;
-  if (dwStyles & XFA_RESOLVENODE_CreateNode) {
-    m_ResolveProcessor->GetNodeHelper()->SetCreateNodeType(bindNode);
-  }
-  m_ResolveProcessor->GetNodeHelper()->m_pCreateParent = nullptr;
-  m_ResolveProcessor->GetNodeHelper()->m_iCurAllStart = -1;
-
-  CXFA_ResolveNodesData rndFind;
-  int32_t nStart = 0;
-  int32_t nLevel = 0;
-  int32_t nRet = -1;
-  rndFind.m_pSC = this;
-  std::vector<CXFA_Object*> findObjects;
-  findObjects.push_back(refObject ? refObject : m_pDocument->GetRoot());
-  int32_t nNodes = 0;
-  while (true) {
-    nNodes = pdfium::CollectionSize<int32_t>(findObjects);
-    int32_t i = 0;
-    rndFind.m_dwStyles = dwStyles;
-    m_ResolveProcessor->SetCurStart(nStart);
-    nStart = m_ResolveProcessor->GetFilter(wsExpression, nStart, rndFind);
-    if (nStart < 1) {
-      if ((dwStyles & XFA_RESOLVENODE_CreateNode) && !bNextCreate) {
-        CXFA_Node* pDataNode = nullptr;
-        nStart = m_ResolveProcessor->GetNodeHelper()->m_iCurAllStart;
-        if (nStart != -1) {
-          pDataNode = m_pDocument->GetNotBindNode(findObjects);
-          if (pDataNode) {
-            findObjects.clear();
-            findObjects.push_back(pDataNode);
-            break;
-          }
-        } else {
-          pDataNode = findObjects.front()->AsNode();
-          findObjects.clear();
-          findObjects.push_back(pDataNode);
-          break;
-        }
-        dwStyles |= XFA_RESOLVENODE_Bind;
-        findObjects.clear();
-        findObjects.push_back(
-            m_ResolveProcessor->GetNodeHelper()->m_pAllStartParent);
-        continue;
-      } else {
-        break;
-      }
-    }
-    if (bNextCreate) {
-      bool bCreate =
-          m_ResolveProcessor->GetNodeHelper()->ResolveNodes_CreateNode(
-              rndFind.m_wsName, rndFind.m_wsCondition,
-              nStart ==
-                  pdfium::base::checked_cast<int32_t>(wsExpression.GetLength()),
-              this);
-      if (bCreate) {
-        continue;
-      } else {
-        break;
-      }
-    }
-    std::vector<CXFA_Object*> retObjects;
-    while (i < nNodes) {
-      bool bDataBind = false;
-      if (((dwStyles & XFA_RESOLVENODE_Bind) ||
-           (dwStyles & XFA_RESOLVENODE_CreateNode)) &&
-          nNodes > 1) {
-        CXFA_ResolveNodesData rndBind;
-        m_ResolveProcessor->GetFilter(wsExpression, nStart, rndBind);
-        m_ResolveProcessor->SetIndexDataBind(rndBind.m_wsCondition, i, nNodes);
-        bDataBind = true;
-      }
-      rndFind.m_CurObject = findObjects[i++];
-      rndFind.m_nLevel = nLevel;
-      rndFind.m_dwFlag = XFA_RESOVENODE_RSTYPE_Nodes;
-      nRet = m_ResolveProcessor->Resolve(rndFind);
-      if (nRet < 1) {
-        continue;
-      }
-      if (rndFind.m_dwFlag == XFA_RESOVENODE_RSTYPE_Attribute &&
-          rndFind.m_pScriptAttribute &&
-          nStart <
-              pdfium::base::checked_cast<int32_t>(wsExpression.GetLength())) {
-        auto pValue = pdfium::MakeUnique<CFXJSE_Value>(m_pIsolate);
-        (rndFind.m_Objects.front()
-             ->*(rndFind.m_pScriptAttribute->lpfnCallback))(
-            pValue.get(), false,
-            (XFA_ATTRIBUTE)rndFind.m_pScriptAttribute->eAttribute);
-        rndFind.m_Objects.front() = ToObject(pValue.get(), nullptr);
-      }
-      if (!m_upObjectArray.empty())
-        m_upObjectArray.pop_back();
-      retObjects.insert(retObjects.end(), rndFind.m_Objects.begin(),
-                        rndFind.m_Objects.end());
-      rndFind.m_Objects.clear();
-      if (bDataBind)
-        break;
-    }
-    findObjects.clear();
-    nNodes = pdfium::CollectionSize<int32_t>(retObjects);
-    if (nNodes < 1) {
-      if (dwStyles & XFA_RESOLVENODE_CreateNode) {
-        bNextCreate = true;
-        if (!m_ResolveProcessor->GetNodeHelper()->m_pCreateParent) {
-          m_ResolveProcessor->GetNodeHelper()->m_pCreateParent =
-              ToNode(rndFind.m_CurObject);
-          m_ResolveProcessor->GetNodeHelper()->m_iCreateCount = 1;
-        }
-        bool bCreate =
-            m_ResolveProcessor->GetNodeHelper()->ResolveNodes_CreateNode(
-                rndFind.m_wsName, rndFind.m_wsCondition,
-                nStart == pdfium::base::checked_cast<int32_t>(
-                              wsExpression.GetLength()),
-                this);
-        if (bCreate) {
-          continue;
-        } else {
-          break;
-        }
-      } else {
-        break;
-      }
-    }
-    findObjects =
-        std::vector<CXFA_Object*>(retObjects.begin(), retObjects.end());
-    rndFind.m_Objects.clear();
-    if (nLevel == 0) {
-      dwStyles &= ~(XFA_RESOLVENODE_Parent | XFA_RESOLVENODE_Siblings);
-    }
-    nLevel++;
-  }
-  if (!bNextCreate) {
-    resolveNodeRS.dwFlags = rndFind.m_dwFlag;
-    if (nNodes > 0) {
-      resolveNodeRS.objects.insert(resolveNodeRS.objects.end(),
-                                   findObjects.begin(), findObjects.end());
-    }
-    if (rndFind.m_dwFlag == XFA_RESOVENODE_RSTYPE_Attribute) {
-      resolveNodeRS.pScriptAttribute = rndFind.m_pScriptAttribute;
-      return 1;
-    }
-  }
-  if (dwStyles & (XFA_RESOLVENODE_CreateNode | XFA_RESOLVENODE_Bind |
-                  XFA_RESOLVENODE_BindNew)) {
-    m_ResolveProcessor->SetResultCreateNode(resolveNodeRS,
-                                            rndFind.m_wsCondition);
-    if (!bNextCreate && (dwStyles & XFA_RESOLVENODE_CreateNode)) {
-      resolveNodeRS.dwFlags = XFA_RESOVENODE_RSTYPE_ExistNodes;
-    }
-    return pdfium::CollectionSize<int32_t>(resolveNodeRS.objects);
-  }
-  return nNodes;
-}
-
-void CXFA_ScriptContext::AddToCacheList(std::unique_ptr<CXFA_NodeList> pList) {
-  m_CacheList.push_back(std::move(pList));
-}
-
-CFXJSE_Value* CXFA_ScriptContext::GetJSValueFromMap(CXFA_Object* pObject) {
-  if (!pObject)
-    return nullptr;
-  if (pObject->IsNode())
-    RunVariablesScript(pObject->AsNode());
-
-  auto iter = m_mapObjectToValue.find(pObject);
-  if (iter != m_mapObjectToValue.end())
-    return iter->second.get();
-
-  auto jsValue = pdfium::MakeUnique<CFXJSE_Value>(m_pIsolate);
-  jsValue->SetObject(pObject, m_pJsClass);
-  CFXJSE_Value* pValue = jsValue.get();
-  m_mapObjectToValue.insert(std::make_pair(pObject, std::move(jsValue)));
-  return pValue;
-}
-int32_t CXFA_ScriptContext::GetIndexByName(CXFA_Node* refNode) {
-  CXFA_NodeHelper* lpNodeHelper = m_ResolveProcessor->GetNodeHelper();
-  return lpNodeHelper->GetIndex(refNode, XFA_LOGIC_Transparent,
-                                lpNodeHelper->NodeIsProperty(refNode), false);
-}
-int32_t CXFA_ScriptContext::GetIndexByClassName(CXFA_Node* refNode) {
-  CXFA_NodeHelper* lpNodeHelper = m_ResolveProcessor->GetNodeHelper();
-  return lpNodeHelper->GetIndex(refNode, XFA_LOGIC_Transparent,
-                                lpNodeHelper->NodeIsProperty(refNode), true);
-}
-void CXFA_ScriptContext::GetSomExpression(CXFA_Node* refNode,
-                                          WideString& wsExpression) {
-  CXFA_NodeHelper* lpNodeHelper = m_ResolveProcessor->GetNodeHelper();
-  lpNodeHelper->GetNameExpression(refNode, wsExpression, true,
-                                  XFA_LOGIC_Transparent);
-}
-void CXFA_ScriptContext::SetNodesOfRunScript(std::vector<CXFA_Node*>* pArray) {
-  m_pScriptNodeArray = pArray;
-}
-
-void CXFA_ScriptContext::AddNodesOfRunScript(
-    const std::vector<CXFA_Node*>& nodes) {
-  if (m_pScriptNodeArray && !nodes.empty())
-    *m_pScriptNodeArray = nodes;
-}
-
-void CXFA_ScriptContext::AddNodesOfRunScript(CXFA_Node* pNode) {
-  if (m_pScriptNodeArray && !pdfium::ContainsValue(*m_pScriptNodeArray, pNode))
-    m_pScriptNodeArray->push_back(pNode);
-}
diff --git a/xfa/fxfa/parser/cxfa_scriptcontext.h b/xfa/fxfa/parser/cxfa_scriptcontext.h
deleted file mode 100644
index 75d30278bd..0000000000
--- a/xfa/fxfa/parser/cxfa_scriptcontext.h
+++ /dev/null
@@ -1,126 +0,0 @@
-// 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
-
-#ifndef XFA_FXFA_PARSER_CXFA_SCRIPTCONTEXT_H_
-#define XFA_FXFA_PARSER_CXFA_SCRIPTCONTEXT_H_
-
-#include <map>
-#include <memory>
-#include <vector>
-
-#include "fxjs/cfxjse_arguments.h"
-#include "xfa/fxfa/cxfa_eventparam.h"
-#include "xfa/fxfa/fm2js/cxfa_fm2jscontext.h"
-#include "xfa/fxfa/parser/cxfa_document.h"
-#include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
-
-#define XFA_RESOLVENODE_TagName 0x0002
-
-class CXFA_ResolveProcessor;
-
-class CXFA_ScriptContext {
- public:
-  explicit CXFA_ScriptContext(CXFA_Document* pDocument);
-  ~CXFA_ScriptContext();
-
-  void Initialize(v8::Isolate* pIsolate);
-  void SetEventParam(CXFA_EventParam param) { m_eventParam = param; }
-  CXFA_EventParam* GetEventParam() { return &m_eventParam; }
-  bool RunScript(XFA_SCRIPTLANGTYPE eScriptType,
-                 const WideStringView& wsScript,
-                 CFXJSE_Value* pRetValue,
-                 CXFA_Object* pThisObject);
-
-  int32_t ResolveObjects(CXFA_Object* refObject,
-                         const WideStringView& wsExpression,
-                         XFA_RESOLVENODE_RS& resolveNodeRS,
-                         uint32_t dwStyles = XFA_RESOLVENODE_Children,
-                         CXFA_Node* bindNode = nullptr);
-  CFXJSE_Value* GetJSValueFromMap(CXFA_Object* pObject);
-  void AddToCacheList(std::unique_ptr<CXFA_NodeList> pList);
-  CXFA_Object* GetThisObject() const { return m_pThisObject; }
-  v8::Isolate* GetRuntime() const { return m_pIsolate; }
-
-  int32_t GetIndexByName(CXFA_Node* refNode);
-  int32_t GetIndexByClassName(CXFA_Node* refNode);
-  void GetSomExpression(CXFA_Node* refNode, WideString& wsExpression);
-
-  void SetNodesOfRunScript(std::vector<CXFA_Node*>* pArray);
-  void AddNodesOfRunScript(const std::vector<CXFA_Node*>& nodes);
-  void AddNodesOfRunScript(CXFA_Node* pNode);
-  CFXJSE_Class* GetJseNormalClass();
-
-  void SetRunAtType(XFA_ATTRIBUTEENUM eRunAt) { m_eRunAtType = eRunAt; }
-  bool IsRunAtClient() { return m_eRunAtType != XFA_ATTRIBUTEENUM_Server; }
-  bool QueryNodeByFlag(CXFA_Node* refNode,
-                       const WideStringView& propname,
-                       CFXJSE_Value* pValue,
-                       uint32_t dwFlag,
-                       bool bSetting);
-  bool QueryVariableValue(CXFA_Node* pScriptNode,
-                          const ByteStringView& szPropName,
-                          CFXJSE_Value* pValue,
-                          bool bGetter);
-  bool QueryBuiltinValue(const ByteStringView& szPropName,
-                         CFXJSE_Value* pValue);
-  static void GlobalPropertyGetter(CFXJSE_Value* pObject,
-                                   const ByteStringView& szPropName,
-                                   CFXJSE_Value* pValue);
-  static void GlobalPropertySetter(CFXJSE_Value* pObject,
-                                   const ByteStringView& szPropName,
-                                   CFXJSE_Value* pValue);
-  static void NormalPropertyGetter(CFXJSE_Value* pObject,
-                                   const ByteStringView& szPropName,
-                                   CFXJSE_Value* pValue);
-  static void NormalPropertySetter(CFXJSE_Value* pObject,
-                                   const ByteStringView& szPropName,
-                                   CFXJSE_Value* pValue);
-  static void NormalMethodCall(CFXJSE_Value* hThis,
-                               const ByteStringView& szFuncName,
-                               CFXJSE_Arguments& args);
-  static int32_t NormalPropTypeGetter(CFXJSE_Value* pObject,
-                                      const ByteStringView& szPropName,
-                                      bool bQueryIn);
-  static int32_t GlobalPropTypeGetter(CFXJSE_Value* pObject,
-                                      const ByteStringView& szPropName,
-                                      bool bQueryIn);
-  bool RunVariablesScript(CXFA_Node* pScriptNode);
-  CXFA_Object* GetVariablesThis(CXFA_Object* pObject, bool bScriptNode = false);
-  bool IsStrictScopeInJavaScript();
-  XFA_SCRIPTLANGTYPE GetType();
-  std::vector<CXFA_Node*>* GetUpObjectArray() { return &m_upObjectArray; }
-  CXFA_Document* GetDocument() const { return m_pDocument.Get(); }
-
-  static CXFA_Object* ToObject(CFXJSE_Value* pValue, CFXJSE_Class* pClass);
-
- private:
-  void DefineJsContext();
-  CFXJSE_Context* CreateVariablesContext(CXFA_Node* pScriptNode,
-                                         CXFA_Node* pSubform);
-  void DefineJsClass();
-  void RemoveBuiltInObjs(CFXJSE_Context* pContext) const;
-
-  UnownedPtr<CXFA_Document> const m_pDocument;
-  std::unique_ptr<CFXJSE_Context> m_JsContext;
-  v8::Isolate* m_pIsolate;
-  CFXJSE_Class* m_pJsClass;
-  XFA_SCRIPTLANGTYPE m_eScriptType;
-  std::map<CXFA_Object*, std::unique_ptr<CFXJSE_Value>> m_mapObjectToValue;
-  std::map<CXFA_Object*, std::unique_ptr<CFXJSE_Context>>
-      m_mapVariableToContext;
-  CXFA_EventParam m_eventParam;
-  std::vector<CXFA_Node*> m_upObjectArray;
-  // CacheList holds the NodeList items so we can clean them up when we're done.
-  std::vector<std::unique_ptr<CXFA_NodeList>> m_CacheList;
-  std::vector<CXFA_Node*>* m_pScriptNodeArray;
-  std::unique_ptr<CXFA_ResolveProcessor> m_ResolveProcessor;
-  std::unique_ptr<CXFA_FM2JSContext> m_FM2JSContext;
-  CXFA_Object* m_pThisObject;
-  uint32_t m_dwBuiltInInFlags;
-  XFA_ATTRIBUTEENUM m_eRunAtType;
-};
-
-#endif  //  XFA_FXFA_PARSER_CXFA_SCRIPTCONTEXT_H_
diff --git a/xfa/fxfa/parser/cxfa_valuearray.cpp b/xfa/fxfa/parser/cxfa_valuearray.cpp
index eded624c36..83ffe6b275 100644
--- a/xfa/fxfa/parser/cxfa_valuearray.cpp
+++ b/xfa/fxfa/parser/cxfa_valuearray.cpp
@@ -8,7 +8,7 @@
 
 #include <algorithm>
 
-#include "xfa/fxfa/parser/cxfa_scriptcontext.h"
+#include "fxjs/cfxjse_engine.h"
 
 CXFA_ValueArray::CXFA_ValueArray(v8::Isolate* pIsolate)
     : m_pIsolate(pIsolate) {}
@@ -19,7 +19,7 @@ std::vector<CXFA_Object*> CXFA_ValueArray::GetAttributeObject() {
   std::vector<CXFA_Object*> result(m_Values.size());
   std::transform(m_Values.begin(), m_Values.end(), result.begin(),
                  [](const std::unique_ptr<CFXJSE_Value>& value) {
-                   return CXFA_ScriptContext::ToObject(value.get(), nullptr);
+                   return CFXJSE_Engine::ToObject(value.get(), nullptr);
                  });
   return result;
 }
diff --git a/xfa/fxfa/parser/xfa_document_datamerger_imp.cpp b/xfa/fxfa/parser/xfa_document_datamerger_imp.cpp
index 373412ebf9..12a1ba77c4 100644
--- a/xfa/fxfa/parser/xfa_document_datamerger_imp.cpp
+++ b/xfa/fxfa/parser/xfa_document_datamerger_imp.cpp
@@ -12,6 +12,7 @@
 #include "core/fxcrt/fx_extension.h"
 #include "core/fxcrt/xml/cfx_xmlelement.h"
 #include "core/fxcrt/xml/cfx_xmlnode.h"
+#include "fxjs/cfxjse_engine.h"
 #include "third_party/base/logging.h"
 #include "third_party/base/stl_util.h"
 #include "xfa/fxfa/parser/cxfa_document.h"
@@ -19,7 +20,6 @@
 #include "xfa/fxfa/parser/cxfa_localemgr.h"
 #include "xfa/fxfa/parser/cxfa_node.h"
 #include "xfa/fxfa/parser/cxfa_occur.h"
-#include "xfa/fxfa/parser/cxfa_scriptcontext.h"
 #include "xfa/fxfa/parser/cxfa_traversestrategy_xfacontainernode.h"
 #include "xfa/fxfa/parser/cxfa_traversestrategy_xfanode.h"
 #include "xfa/fxfa/parser/xfa_resolvenode_rs.h"