CJS_Context::compile unused

This, in turn, allows us to get rid of the DoJob method and its clumsy
mode parameter conditional.

Add explicit and consts, and remove pointless asserts along the way.

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1318543012 .

5 files changed, 13 insertions, 117 deletions

diff --git a/fpdfsdk/include/javascript/IJavaScript.h b/fpdfsdk/include/javascript/IJavaScript.h
index 56922403e1..18ab34b8cb 100644
--- a/fpdfsdk/include/javascript/IJavaScript.h
+++ b/fpdfsdk/include/javascript/IJavaScript.h
@@ -17,8 +17,6 @@ class CPDFSDK_Document;
 
 class IFXJS_Context {
  public:
-  virtual FX_BOOL Compile(const CFX_WideString& script,
-                          CFX_WideString& info) = 0;
   virtual FX_BOOL RunScript(const CFX_WideString& script,
                             CFX_WideString& info) = 0;
 
diff --git a/fpdfsdk/include/javascript/JS_Context.h b/fpdfsdk/include/javascript/JS_Context.h
index 995d32219e..d5b1064cfc 100644
--- a/fpdfsdk/include/javascript/JS_Context.h
+++ b/fpdfsdk/include/javascript/JS_Context.h
@@ -16,11 +16,10 @@ class CJS_Runtime;
 
 class CJS_Context : public IFXJS_Context {
  public:
-  CJS_Context(CJS_Runtime* pRuntime);
+  explicit CJS_Context(CJS_Runtime* pRuntime);
   ~CJS_Context() override;
 
   // IFXJS_Context
-  FX_BOOL Compile(const CFX_WideString& script, CFX_WideString& info) override;
   FX_BOOL RunScript(const CFX_WideString& script,
                     CFX_WideString& info) override;
   void OnApp_Init() override;
@@ -124,11 +123,8 @@ class CJS_Context : public IFXJS_Context {
   FX_BOOL IsMsgBoxEnabled() const { return m_bMsgBoxEnable; }
 
   CPDFDoc_Environment* GetReaderApp();
-  CJS_Runtime* GetJSRuntime() { return m_pRuntime; }
-
-  FX_BOOL DoJob(int nMode, const CFX_WideString& script, CFX_WideString& info);
-
-  CJS_EventHandler* GetEventHandler() { return m_pEventHandler; }
+  CJS_Runtime* GetJSRuntime() const { return m_pRuntime; }
+  CJS_EventHandler* GetEventHandler() const { return m_pEventHandler; }
   CPDFSDK_Document* GetReaderDocument();
 
  private:
diff --git a/fpdfsdk/include/jsapi/fxjs_v8.h b/fpdfsdk/include/jsapi/fxjs_v8.h
index 72f2a5de01..f9d8f50248 100644
--- a/fpdfsdk/include/jsapi/fxjs_v8.h
+++ b/fpdfsdk/include/jsapi/fxjs_v8.h
@@ -91,11 +91,6 @@ void JS_ReleaseRuntime(IJS_Runtime* pJSRuntime,
                        v8::Global<v8::Context>& v8PersistentContext);
 void JS_Initial(unsigned int embedderDataSlot);
 void JS_Release();
-int JS_Parse(IJS_Runtime* pJSRuntime,
-             IFXJS_Context* pJSContext,
-             const wchar_t* script,
-             long length,
-             FXJSErr* perror);
 int JS_Execute(IJS_Runtime* pJSRuntime,
                IFXJS_Context* pJSContext,
                const wchar_t* script,
diff --git a/fpdfsdk/src/javascript/JS_Context.cpp b/fpdfsdk/src/javascript/JS_Context.cpp
index 3fedd13b21..1e42b50138 100644
--- a/fpdfsdk/src/javascript/JS_Context.cpp
+++ b/fpdfsdk/src/javascript/JS_Context.cpp
@@ -4,12 +4,11 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "../../include/javascript/JavaScript.h"
 #include "../../include/javascript/IJavaScript.h"
-//#include "../../include/javascript/JS_ResMgr.h"
 #include "../../include/javascript/JS_Context.h"
 #include "../../include/javascript/JS_EventHandler.h"
 #include "../../include/javascript/JS_Runtime.h"
+#include "../../include/javascript/JavaScript.h"
 #include "../../include/javascript/resource.h"
 
 /* -------------------------- CJS_Context -------------------------- */
@@ -24,8 +23,6 @@ CJS_Context::~CJS_Context() {
 }
 
 CPDFSDK_Document* CJS_Context::GetReaderDocument() {
-  ASSERT(m_pRuntime != NULL);
-
   return m_pRuntime->GetReaderDocument();
 }
 
@@ -35,20 +32,20 @@ CPDFDoc_Environment* CJS_Context::GetReaderApp() {
   return m_pRuntime->GetReaderApp();
 }
 
-FX_BOOL CJS_Context::DoJob(int nMode,
-                           const CFX_WideString& script,
-                           CFX_WideString& info) {
+FX_BOOL CJS_Context::RunScript(const CFX_WideString& script,
+                               CFX_WideString& info) {
+  v8::Isolate::Scope isolate_scope(m_pRuntime->GetIsolate());
+  v8::HandleScope handle_scope(m_pRuntime->GetIsolate());
+  v8::Local<v8::Context> context = m_pRuntime->NewJSContext();
+  v8::Context::Scope context_scope(context);
+
   if (m_bBusy) {
     info = JSGetStringFromID(this, IDS_STRING_JSBUSY);
     return FALSE;
   }
-
   m_bBusy = TRUE;
 
-  ASSERT(m_pRuntime != NULL);
-  ASSERT(m_pEventHandler != NULL);
   ASSERT(m_pEventHandler->IsValid());
-
   if (!m_pRuntime->AddEventToLoop(m_pEventHandler->TargetName(),
                                   m_pEventHandler->EventType())) {
     info = JSGetStringFromID(this, IDS_STRING_JSEVENT);
@@ -57,27 +54,15 @@ FX_BOOL CJS_Context::DoJob(int nMode,
 
   FXJSErr error = {NULL, NULL, 0};
   int nRet = 0;
-
   if (script.GetLength() > 0) {
-    if (nMode == 0) {
-      nRet = JS_Execute(*m_pRuntime, this, script.c_str(), script.GetLength(),
-                        &error);
-    } else {
-      nRet = JS_Parse(*m_pRuntime, this, script.c_str(), script.GetLength(),
+    nRet = JS_Execute(*m_pRuntime, this, script.c_str(), script.GetLength(),
                       &error);
-    }
   }
 
   if (nRet < 0) {
     CFX_WideString sLine;
     sLine.Format(L"[ Line: %05d { %s } ] : %s", error.linnum - 1, error.srcline,
                  error.message);
-
-    //			TRACE(L"/* -------------- JS Error --------------
-    //*/\n");
-    //			TRACE(sLine);
-    //			TRACE(L"\n");
-    // CFX_ByteString sTemp = CFX_ByteString::FromUnicode(error.message);
     info += sLine;
   } else {
     info = JSGetStringFromID(this, IDS_STRING_RUN);
@@ -92,107 +77,72 @@ FX_BOOL CJS_Context::DoJob(int nMode,
   return nRet >= 0;
 }
 
-FX_BOOL CJS_Context::RunScript(const CFX_WideString& script,
-                               CFX_WideString& info) {
-  v8::Isolate::Scope isolate_scope(m_pRuntime->GetIsolate());
-  v8::HandleScope handle_scope(m_pRuntime->GetIsolate());
-  v8::Local<v8::Context> context = m_pRuntime->NewJSContext();
-  v8::Context::Scope context_scope(context);
-
-  return DoJob(0, script, info);
-}
-
-FX_BOOL CJS_Context::Compile(const CFX_WideString& script,
-                             CFX_WideString& info) {
-  v8::Isolate::Scope isolate_scope(m_pRuntime->GetIsolate());
-  v8::HandleScope handle_scope(m_pRuntime->GetIsolate());
-  v8::Local<v8::Context> context = m_pRuntime->NewJSContext();
-  v8::Context::Scope context_scope(context);
-
-  return DoJob(1, script, info);
-}
-
 void CJS_Context::OnApp_Init() {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnApp_Init();
 }
 
 void CJS_Context::OnDoc_Open(CPDFSDK_Document* pDoc,
                              const CFX_WideString& strTargetName) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnDoc_Open(pDoc, strTargetName);
 }
 
 void CJS_Context::OnDoc_WillPrint(CPDFSDK_Document* pDoc) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnDoc_WillPrint(pDoc);
 }
 
 void CJS_Context::OnDoc_DidPrint(CPDFSDK_Document* pDoc) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnDoc_DidPrint(pDoc);
 }
 
 void CJS_Context::OnDoc_WillSave(CPDFSDK_Document* pDoc) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnDoc_WillSave(pDoc);
 }
 
 void CJS_Context::OnDoc_DidSave(CPDFSDK_Document* pDoc) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnDoc_DidSave(pDoc);
 }
 
 void CJS_Context::OnDoc_WillClose(CPDFSDK_Document* pDoc) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnDoc_WillClose(pDoc);
 }
 
 void CJS_Context::OnPage_Open(CPDFSDK_Document* pTarget) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnPage_Open(pTarget);
 }
 
 void CJS_Context::OnPage_Close(CPDFSDK_Document* pTarget) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnPage_Close(pTarget);
 }
 
 void CJS_Context::OnPage_InView(CPDFSDK_Document* pTarget) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnPage_InView(pTarget);
 }
 
 void CJS_Context::OnPage_OutView(CPDFSDK_Document* pTarget) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnPage_OutView(pTarget);
 }
 
 void CJS_Context::OnField_MouseDown(FX_BOOL bModifier,
                                     FX_BOOL bShift,
                                     CPDF_FormField* pTarget) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnField_MouseDown(bModifier, bShift, pTarget);
 }
 
 void CJS_Context::OnField_MouseEnter(FX_BOOL bModifier,
                                      FX_BOOL bShift,
                                      CPDF_FormField* pTarget) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnField_MouseEnter(bModifier, bShift, pTarget);
 }
 
 void CJS_Context::OnField_MouseExit(FX_BOOL bModifier,
                                     FX_BOOL bShift,
                                     CPDF_FormField* pTarget) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnField_MouseExit(bModifier, bShift, pTarget);
 }
 
 void CJS_Context::OnField_MouseUp(FX_BOOL bModifier,
                                   FX_BOOL bShift,
                                   CPDF_FormField* pTarget) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnField_MouseUp(bModifier, bShift, pTarget);
 }
 
@@ -200,7 +150,6 @@ void CJS_Context::OnField_Focus(FX_BOOL bModifier,
                                 FX_BOOL bShift,
                                 CPDF_FormField* pTarget,
                                 const CFX_WideString& Value) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnField_Focus(bModifier, bShift, pTarget, Value);
 }
 
@@ -208,7 +157,6 @@ void CJS_Context::OnField_Blur(FX_BOOL bModifier,
                                FX_BOOL bShift,
                                CPDF_FormField* pTarget,
                                const CFX_WideString& Value) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnField_Blur(bModifier, bShift, pTarget, Value);
 }
 
@@ -216,7 +164,6 @@ void CJS_Context::OnField_Calculate(CPDF_FormField* pSource,
                                     CPDF_FormField* pTarget,
                                     CFX_WideString& Value,
                                     FX_BOOL& bRc) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnField_Calculate(pSource, pTarget, Value, bRc);
 }
 
@@ -251,7 +198,6 @@ void CJS_Context::OnField_Validate(CFX_WideString& strChange,
                                    CPDF_FormField* pTarget,
                                    CFX_WideString& Value,
                                    FX_BOOL& bRc) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnField_Validate(strChange, strChangeEx, bKeyDown, bModifier,
                                     bShift, pTarget, Value, bRc);
 }
@@ -259,100 +205,84 @@ void CJS_Context::OnField_Validate(CFX_WideString& strChange,
 void CJS_Context::OnScreen_Focus(FX_BOOL bModifier,
                                  FX_BOOL bShift,
                                  CPDFSDK_Annot* pScreen) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnScreen_Focus(bModifier, bShift, pScreen);
 }
 
 void CJS_Context::OnScreen_Blur(FX_BOOL bModifier,
                                 FX_BOOL bShift,
                                 CPDFSDK_Annot* pScreen) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnScreen_Blur(bModifier, bShift, pScreen);
 }
 
 void CJS_Context::OnScreen_Open(FX_BOOL bModifier,
                                 FX_BOOL bShift,
                                 CPDFSDK_Annot* pScreen) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnScreen_Open(bModifier, bShift, pScreen);
 }
 
 void CJS_Context::OnScreen_Close(FX_BOOL bModifier,
                                  FX_BOOL bShift,
                                  CPDFSDK_Annot* pScreen) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnScreen_Close(bModifier, bShift, pScreen);
 }
 
 void CJS_Context::OnScreen_MouseDown(FX_BOOL bModifier,
                                      FX_BOOL bShift,
                                      CPDFSDK_Annot* pScreen) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnScreen_MouseDown(bModifier, bShift, pScreen);
 }
 
 void CJS_Context::OnScreen_MouseUp(FX_BOOL bModifier,
                                    FX_BOOL bShift,
                                    CPDFSDK_Annot* pScreen) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnScreen_MouseUp(bModifier, bShift, pScreen);
 }
 
 void CJS_Context::OnScreen_MouseEnter(FX_BOOL bModifier,
                                       FX_BOOL bShift,
                                       CPDFSDK_Annot* pScreen) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnScreen_MouseEnter(bModifier, bShift, pScreen);
 }
 
 void CJS_Context::OnScreen_MouseExit(FX_BOOL bModifier,
                                      FX_BOOL bShift,
                                      CPDFSDK_Annot* pScreen) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnScreen_MouseExit(bModifier, bShift, pScreen);
 }
 
 void CJS_Context::OnScreen_InView(FX_BOOL bModifier,
                                   FX_BOOL bShift,
                                   CPDFSDK_Annot* pScreen) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnScreen_InView(bModifier, bShift, pScreen);
 }
 
 void CJS_Context::OnScreen_OutView(FX_BOOL bModifier,
                                    FX_BOOL bShift,
                                    CPDFSDK_Annot* pScreen) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnScreen_OutView(bModifier, bShift, pScreen);
 }
 
 void CJS_Context::OnBookmark_MouseUp(CPDF_Bookmark* pBookMark) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnBookmark_MouseUp(pBookMark);
 }
 
 void CJS_Context::OnLink_MouseUp(CPDFSDK_Document* pTarget) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnLink_MouseUp(pTarget);
 }
 
 void CJS_Context::OnConsole_Exec() {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnConsole_Exec();
 }
 
 void CJS_Context::OnExternal_Exec() {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnExternal_Exec();
 }
 
 void CJS_Context::OnBatchExec(CPDFSDK_Document* pTarget) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnBatchExec(pTarget);
 }
 
 void CJS_Context::OnMenu_Exec(CPDFSDK_Document* pTarget,
                               const CFX_WideString& strTargetName) {
-  ASSERT(m_pEventHandler != NULL);
   m_pEventHandler->OnMenu_Exec(pTarget, strTargetName);
 }
diff --git a/fpdfsdk/src/jsapi/fxjs_v8.cpp b/fpdfsdk/src/jsapi/fxjs_v8.cpp
index b71cee6bcc..f2f2e55898 100644
--- a/fpdfsdk/src/jsapi/fxjs_v8.cpp
+++ b/fpdfsdk/src/jsapi/fxjs_v8.cpp
@@ -368,31 +368,8 @@ void JS_ReleaseRuntime(IJS_Runtime* pJSRuntime,
 void JS_Initial(unsigned int embedderDataSlot) {
   g_embedderDataSlot = embedderDataSlot;
 }
-void JS_Release() {}
-int JS_Parse(IJS_Runtime* pJSRuntime,
-             IFXJS_Context* pJSContext,
-             const wchar_t* script,
-             long length,
-             FXJSErr* perror) {
-  v8::Isolate* isolate = (v8::Isolate*)pJSRuntime;
-  v8::Isolate::Scope isolate_scope(isolate);
-  v8::TryCatch try_catch(isolate);
 
-  CFX_WideString wsScript(script);
-  CFX_ByteString bsScript = wsScript.UTF8Encode();
-
-  v8::Local<v8::Context> context = isolate->GetCurrentContext();
-  v8::Local<v8::Script> compiled_script;
-  if (!v8::Script::Compile(context,
-                           v8::String::NewFromUtf8(isolate, bsScript.c_str(),
-                                                   v8::NewStringType::kNormal,
-                                                   bsScript.GetLength())
-                               .ToLocalChecked())
-           .ToLocal(&compiled_script)) {
-    v8::String::Utf8Value error(try_catch.Exception());
-    return -1;
-  }
-  return 0;
+void JS_Release() {
 }
 
 int JS_Execute(IJS_Runtime* pJSRuntime,