2 files changed, 172 insertions, 179 deletions

diff --git a/xfa/fxfa/fm2js/xfa_fm2jscontext.cpp b/xfa/fxfa/fm2js/xfa_fm2jscontext.cpp
index 862571e0af..7661679b41 100644
--- a/xfa/fxfa/fm2js/xfa_fm2jscontext.cpp
+++ b/xfa/fxfa/fm2js/xfa_fm2jscontext.cpp
@@ -513,8 +513,7 @@ void CXFA_FM2JSContext::Abs(CFXJSE_Value* pThis,
                             const CFX_ByteStringC& szFuncName,
                             CFXJSE_Arguments& args) {
   if (args.GetLength() != 1) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Abs");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Abs");
     return;
   }
 
@@ -605,8 +604,7 @@ void CXFA_FM2JSContext::Ceil(CFXJSE_Value* pThis,
                              const CFX_ByteStringC& szFuncName,
                              CFXJSE_Arguments& args) {
   if (args.GetLength() != 1) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Ceil");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Ceil");
     return;
   }
 
@@ -638,7 +636,7 @@ void CXFA_FM2JSContext::Count(CFXJSE_Value* pThis,
 
       int32_t iLength = lengthValue->ToInteger();
       if (iLength <= 2) {
-        pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+        pContext->ThrowArgumentMismatchException();
         return;
       }
 
@@ -681,8 +679,7 @@ void CXFA_FM2JSContext::Floor(CFXJSE_Value* pThis,
                               const CFX_ByteStringC& szFuncName,
                               CFXJSE_Arguments& args) {
   if (args.GetLength() != 1) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Floor");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Floor");
     return;
   }
 
@@ -714,7 +711,7 @@ void CXFA_FM2JSContext::Max(CFXJSE_Value* pThis,
       argValue->GetObjectProperty("length", lengthValue.get());
       int32_t iLength = lengthValue->ToInteger();
       if (iLength <= 2) {
-        pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+        pContext->ThrowArgumentMismatchException();
         return;
       }
 
@@ -790,7 +787,7 @@ void CXFA_FM2JSContext::Min(CFXJSE_Value* pThis,
       argValue->GetObjectProperty("length", lengthValue.get());
       int32_t iLength = lengthValue->ToInteger();
       if (iLength <= 2) {
-        pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+        pContext->ThrowArgumentMismatchException();
         return;
       }
 
@@ -854,7 +851,7 @@ void CXFA_FM2JSContext::Mod(CFXJSE_Value* pThis,
                             CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 2) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Mod");
+    pContext->ThrowParamCountMismatchException(L"Mod");
     return;
   }
 
@@ -870,12 +867,12 @@ void CXFA_FM2JSContext::Mod(CFXJSE_Value* pThis,
   bool argTwoResult;
   FX_DOUBLE dDivisor = ExtractDouble(pThis, argTwo.get(), &argTwoResult);
   if (!argOneResult || !argTwoResult) {
-    pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+    pContext->ThrowArgumentMismatchException();
     return;
   }
 
   if (dDivisor == 0.0) {
-    pContext->ThrowException(XFA_IDS_DIVIDE_ZERO);
+    pContext->ThrowDivideByZeroException();
     return;
   }
 
@@ -890,7 +887,7 @@ void CXFA_FM2JSContext::Round(CFXJSE_Value* pThis,
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   int32_t argc = args.GetLength();
   if (argc < 1 || argc > 2) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Round");
+    pContext->ThrowParamCountMismatchException(L"Round");
     return;
   }
 
@@ -903,7 +900,7 @@ void CXFA_FM2JSContext::Round(CFXJSE_Value* pThis,
   bool dValueRet;
   FX_DOUBLE dValue = ExtractDouble(pThis, argOne.get(), &dValueRet);
   if (!dValueRet) {
-    pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+    pContext->ThrowArgumentMismatchException();
     return;
   }
 
@@ -918,7 +915,7 @@ void CXFA_FM2JSContext::Round(CFXJSE_Value* pThis,
     bool dPrecisionRet;
     FX_DOUBLE dPrecision = ExtractDouble(pThis, argTwo.get(), &dPrecisionRet);
     if (!dPrecisionRet) {
-      pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+      pContext->ThrowArgumentMismatchException();
       return;
     }
 
@@ -955,7 +952,7 @@ void CXFA_FM2JSContext::Sum(CFXJSE_Value* pThis,
       argValue->GetObjectProperty("length", lengthValue.get());
       int32_t iLength = lengthValue->ToInteger();
       if (iLength <= 2) {
-        pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+        pContext->ThrowArgumentMismatchException();
         return;
       }
 
@@ -1013,8 +1010,7 @@ void CXFA_FM2JSContext::Date(CFXJSE_Value* pThis,
                              const CFX_ByteStringC& szFuncName,
                              CFXJSE_Arguments& args) {
   if (args.GetLength() != 0) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Date");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Date");
     return;
   }
 
@@ -1039,8 +1035,7 @@ void CXFA_FM2JSContext::Date2Num(CFXJSE_Value* pThis,
                                  CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc < 1 || argc > 3) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Date2Num");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Date2Num");
     return;
   }
 
@@ -1090,8 +1085,7 @@ void CXFA_FM2JSContext::DateFmt(CFXJSE_Value* pThis,
                                 CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc > 2) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Date2Num");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Date2Num");
     return;
   }
 
@@ -1129,7 +1123,7 @@ void CXFA_FM2JSContext::IsoDate2Num(CFXJSE_Value* pThis,
                                     CFXJSE_Arguments& args) {
   if (args.GetLength() != 1) {
     ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"IsoDate2Num");
+        ->ThrowParamCountMismatchException(L"IsoDate2Num");
     return;
   }
 
@@ -1150,8 +1144,7 @@ void CXFA_FM2JSContext::IsoTime2Num(CFXJSE_Value* pThis,
                                     CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 1) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD,
-                             L"IsoTime2Num");
+    pContext->ThrowParamCountMismatchException(L"IsoTime2Num");
     return;
   }
 
@@ -1210,7 +1203,7 @@ void CXFA_FM2JSContext::LocalDateFmt(CFXJSE_Value* pThis,
   int32_t argc = args.GetLength();
   if (argc > 2) {
     ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"LocalDateFmt");
+        ->ThrowParamCountMismatchException(L"LocalDateFmt");
     return;
   }
 
@@ -1248,7 +1241,7 @@ void CXFA_FM2JSContext::LocalTimeFmt(CFXJSE_Value* pThis,
   int32_t argc = args.GetLength();
   if (argc > 2) {
     ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"LocalTimeFmt");
+        ->ThrowParamCountMismatchException(L"LocalTimeFmt");
     return;
   }
 
@@ -1285,8 +1278,7 @@ void CXFA_FM2JSContext::Num2Date(CFXJSE_Value* pThis,
                                  CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc < 1 || argc > 3) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Num2Date");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Num2Date");
     return;
   }
 
@@ -1428,7 +1420,7 @@ void CXFA_FM2JSContext::Num2GMTime(CFXJSE_Value* pThis,
   int32_t argc = args.GetLength();
   if (argc < 1 || argc > 3) {
     ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Num2GMTime");
+        ->ThrowParamCountMismatchException(L"Num2GMTime");
     return;
   }
 
@@ -1475,8 +1467,7 @@ void CXFA_FM2JSContext::Num2Time(CFXJSE_Value* pThis,
                                  CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc < 1 || argc > 3) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Num2Time");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Num2Time");
     return;
   }
 
@@ -1522,8 +1513,7 @@ void CXFA_FM2JSContext::Time(CFXJSE_Value* pThis,
                              const CFX_ByteStringC& szFuncName,
                              CFXJSE_Arguments& args) {
   if (args.GetLength() != 0) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Time");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Time");
     return;
   }
 
@@ -1541,8 +1531,7 @@ void CXFA_FM2JSContext::Time2Num(CFXJSE_Value* pThis,
                                  CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc < 1 || argc > 3) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Time2Num");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Time2Num");
     return;
   }
 
@@ -1632,8 +1621,7 @@ void CXFA_FM2JSContext::TimeFmt(CFXJSE_Value* pThis,
                                 CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc > 2) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"TimeFmt");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"TimeFmt");
     return;
   }
 
@@ -2364,7 +2352,7 @@ void CXFA_FM2JSContext::Apr(CFXJSE_Value* pThis,
                             CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 3) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Apr");
+    pContext->ThrowParamCountMismatchException(L"Apr");
     return;
   }
 
@@ -2381,7 +2369,7 @@ void CXFA_FM2JSContext::Apr(CFXJSE_Value* pThis,
   FX_DOUBLE nPayment = ValueToDouble(pThis, argTwo.get());
   FX_DOUBLE nPeriods = ValueToDouble(pThis, argThree.get());
   if (nPrincipal <= 0 || nPayment <= 0 || nPeriods <= 0) {
-    pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+    pContext->ThrowArgumentMismatchException();
     return;
   }
 
@@ -2418,7 +2406,7 @@ void CXFA_FM2JSContext::CTerm(CFXJSE_Value* pThis,
                               CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 3) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"CTerm");
+    pContext->ThrowParamCountMismatchException(L"CTerm");
     return;
   }
 
@@ -2435,7 +2423,7 @@ void CXFA_FM2JSContext::CTerm(CFXJSE_Value* pThis,
   FX_FLOAT nFutureValue = ValueToFloat(pThis, argTwo.get());
   FX_FLOAT nInitAmount = ValueToFloat(pThis, argThree.get());
   if ((nRate <= 0) || (nFutureValue <= 0) || (nInitAmount <= 0)) {
-    pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+    pContext->ThrowArgumentMismatchException();
     return;
   }
 
@@ -2450,7 +2438,7 @@ void CXFA_FM2JSContext::FV(CFXJSE_Value* pThis,
                            CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 3) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"FV");
+    pContext->ThrowParamCountMismatchException(L"FV");
     return;
   }
 
@@ -2467,7 +2455,7 @@ void CXFA_FM2JSContext::FV(CFXJSE_Value* pThis,
   FX_DOUBLE nRate = ValueToDouble(pThis, argTwo.get());
   FX_DOUBLE nPeriod = ValueToDouble(pThis, argThree.get());
   if ((nRate < 0) || (nPeriod <= 0) || (nAmount <= 0)) {
-    pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+    pContext->ThrowArgumentMismatchException();
     return;
   }
 
@@ -2491,7 +2479,7 @@ void CXFA_FM2JSContext::IPmt(CFXJSE_Value* pThis,
                              CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 5) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"IPmt");
+    pContext->ThrowParamCountMismatchException(L"IPmt");
     return;
   }
 
@@ -2514,7 +2502,7 @@ void CXFA_FM2JSContext::IPmt(CFXJSE_Value* pThis,
   FX_FLOAT nNumberOfMonths = ValueToFloat(pThis, argFive.get());
   if ((nPrincipalAmount <= 0) || (nRate <= 0) || (nPayment <= 0) ||
       (nFirstMonth < 0) || (nNumberOfMonths < 0)) {
-    pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+    pContext->ThrowArgumentMismatchException();
     return;
   }
 
@@ -2549,7 +2537,7 @@ void CXFA_FM2JSContext::NPV(CFXJSE_Value* pThis,
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   int32_t argc = args.GetLength();
   if (argc < 3) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"NPV");
+    pContext->ThrowParamCountMismatchException(L"NPV");
     return;
   }
 
@@ -2564,7 +2552,7 @@ void CXFA_FM2JSContext::NPV(CFXJSE_Value* pThis,
 
   FX_DOUBLE nRate = ValueToDouble(pThis, argValues[0].get());
   if (nRate <= 0) {
-    pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+    pContext->ThrowArgumentMismatchException();
     return;
   }
 
@@ -2591,7 +2579,7 @@ void CXFA_FM2JSContext::Pmt(CFXJSE_Value* pThis,
                             CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 3) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Pmt");
+    pContext->ThrowParamCountMismatchException(L"Pmt");
     return;
   }
 
@@ -2608,7 +2596,7 @@ void CXFA_FM2JSContext::Pmt(CFXJSE_Value* pThis,
   FX_FLOAT nRate = ValueToFloat(pThis, argTwo.get());
   FX_FLOAT nPeriods = ValueToFloat(pThis, argThree.get());
   if ((nPrincipal <= 0) || (nRate <= 0) || (nPeriods <= 0)) {
-    pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+    pContext->ThrowArgumentMismatchException();
     return;
   }
 
@@ -2626,7 +2614,7 @@ void CXFA_FM2JSContext::PPmt(CFXJSE_Value* pThis,
                              CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 5) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"PPmt");
+    pContext->ThrowParamCountMismatchException(L"PPmt");
     return;
   }
 
@@ -2649,7 +2637,7 @@ void CXFA_FM2JSContext::PPmt(CFXJSE_Value* pThis,
   FX_FLOAT nNumberOfMonths = ValueToFloat(pThis, argFive.get());
   if ((nPrincipalAmount <= 0) || (nRate <= 0) || (nPayment <= 0) ||
       (nFirstMonth < 0) || (nNumberOfMonths < 0)) {
-    pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+    pContext->ThrowArgumentMismatchException();
     return;
   }
 
@@ -2660,7 +2648,7 @@ void CXFA_FM2JSContext::PPmt(CFXJSE_Value* pThis,
       FXSYS_log10((FX_FLOAT)(1 + nRateOfMonth)));
   int32_t iEnd = std::min((int32_t)(nFirstMonth + nNumberOfMonths - 1), iNums);
   if (nPayment < nPrincipalAmount * nRateOfMonth) {
-    pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+    pContext->ThrowArgumentMismatchException();
     return;
   }
 
@@ -2684,7 +2672,7 @@ void CXFA_FM2JSContext::PV(CFXJSE_Value* pThis,
                            CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 3) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"PV");
+    pContext->ThrowParamCountMismatchException(L"PV");
     return;
   }
 
@@ -2701,7 +2689,7 @@ void CXFA_FM2JSContext::PV(CFXJSE_Value* pThis,
   FX_DOUBLE nRate = ValueToDouble(pThis, argTwo.get());
   FX_DOUBLE nPeriod = ValueToDouble(pThis, argThree.get());
   if ((nAmount <= 0) || (nRate < 0) || (nPeriod <= 0)) {
-    pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+    pContext->ThrowArgumentMismatchException();
     return;
   }
 
@@ -2719,7 +2707,7 @@ void CXFA_FM2JSContext::Rate(CFXJSE_Value* pThis,
                              CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 3) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Rate");
+    pContext->ThrowParamCountMismatchException(L"Rate");
     return;
   }
 
@@ -2736,7 +2724,7 @@ void CXFA_FM2JSContext::Rate(CFXJSE_Value* pThis,
   FX_FLOAT nPresent = ValueToFloat(pThis, argTwo.get());
   FX_FLOAT nTotalNumber = ValueToFloat(pThis, argThree.get());
   if ((nFuture <= 0) || (nPresent < 0) || (nTotalNumber <= 0)) {
-    pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+    pContext->ThrowArgumentMismatchException();
     return;
   }
 
@@ -2751,7 +2739,7 @@ void CXFA_FM2JSContext::Term(CFXJSE_Value* pThis,
                              CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 3) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Term");
+    pContext->ThrowParamCountMismatchException(L"Term");
     return;
   }
 
@@ -2768,7 +2756,7 @@ void CXFA_FM2JSContext::Term(CFXJSE_Value* pThis,
   FX_FLOAT nRate = ValueToFloat(pThis, argTwo.get());
   FX_FLOAT nFuture = ValueToFloat(pThis, argThree.get());
   if ((nMount <= 0) || (nRate <= 0) || (nFuture <= 0)) {
-    pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+    pContext->ThrowArgumentMismatchException();
     return;
   }
 
@@ -2784,7 +2772,7 @@ void CXFA_FM2JSContext::Choose(CFXJSE_Value* pThis,
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   int32_t argc = args.GetLength();
   if (argc < 2) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Choose");
+    pContext->ThrowParamCountMismatchException(L"Choose");
     return;
   }
 
@@ -2854,8 +2842,7 @@ void CXFA_FM2JSContext::Exists(CFXJSE_Value* pThis,
                                const CFX_ByteStringC& szFuncName,
                                CFXJSE_Arguments& args) {
   if (args.GetLength() != 1) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Exists");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Exists");
     return;
   }
   args.GetReturnValue()->SetInteger(args.GetValue(0)->IsObject());
@@ -2866,8 +2853,7 @@ void CXFA_FM2JSContext::HasValue(CFXJSE_Value* pThis,
                                  const CFX_ByteStringC& szFuncName,
                                  CFXJSE_Arguments& args) {
   if (args.GetLength() != 1) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"HasValue");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"HasValue");
     return;
   }
 
@@ -2888,8 +2874,7 @@ void CXFA_FM2JSContext::Oneof(CFXJSE_Value* pThis,
                               const CFX_ByteStringC& szFuncName,
                               CFXJSE_Arguments& args) {
   if (args.GetLength() < 2) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Oneof");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Oneof");
     return;
   }
 
@@ -2916,8 +2901,7 @@ void CXFA_FM2JSContext::Within(CFXJSE_Value* pThis,
                                const CFX_ByteStringC& szFuncName,
                                CFXJSE_Arguments& args) {
   if (args.GetLength() != 3) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Within");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Within");
     return;
   }
 
@@ -2954,8 +2938,7 @@ void CXFA_FM2JSContext::If(CFXJSE_Value* pThis,
                            const CFX_ByteStringC& szFuncName,
                            CFXJSE_Arguments& args) {
   if (args.GetLength() != 3) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"If");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"If");
     return;
   }
 
@@ -2970,7 +2953,7 @@ void CXFA_FM2JSContext::Eval(CFXJSE_Value* pThis,
                              CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 1) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Eval");
+    pContext->ThrowParamCountMismatchException(L"Eval");
     return;
   }
 
@@ -3007,14 +2990,14 @@ void CXFA_FM2JSContext::Ref(CFXJSE_Value* pThis,
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   v8::Isolate* pIsolate = pContext->GetScriptRuntime();
   if (args.GetLength() != 1) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Ref");
+    pContext->ThrowParamCountMismatchException(L"Ref");
     return;
   }
 
   std::unique_ptr<CFXJSE_Value> argOne = args.GetValue(0);
   if (!argOne->IsArray() && !argOne->IsObject() && !argOne->IsBoolean() &&
       !argOne->IsString() && !argOne->IsNull() && !argOne->IsNumber()) {
-    pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+    pContext->ThrowArgumentMismatchException();
     return;
   }
 
@@ -3047,7 +3030,7 @@ void CXFA_FM2JSContext::Ref(CFXJSE_Value* pThis,
       for (int32_t i = 0; i < 3; i++)
         delete rgValues[i];
 
-      pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+      pContext->ThrowArgumentMismatchException();
       return;
     }
 
@@ -3069,8 +3052,7 @@ void CXFA_FM2JSContext::UnitType(CFXJSE_Value* pThis,
                                  const CFX_ByteStringC& szFuncName,
                                  CFXJSE_Arguments& args) {
   if (args.GetLength() != 1) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"UnitType");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"UnitType");
     return;
   }
 
@@ -3183,8 +3165,7 @@ void CXFA_FM2JSContext::UnitValue(CFXJSE_Value* pThis,
                                   CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc < 1 || argc > 2) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"UnitValue");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"UnitValue");
     return;
   }
 
@@ -3327,8 +3308,7 @@ void CXFA_FM2JSContext::At(CFXJSE_Value* pThis,
                            const CFX_ByteStringC& szFuncName,
                            CFXJSE_Arguments& args) {
   if (args.GetLength() != 2) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"At");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"At");
     return;
   }
 
@@ -3358,8 +3338,7 @@ void CXFA_FM2JSContext::Concat(CFXJSE_Value* pThis,
                                CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc < 1) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Concat");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Concat");
     return;
   }
 
@@ -3391,8 +3370,7 @@ void CXFA_FM2JSContext::Decode(CFXJSE_Value* pThis,
                                CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc < 1 || argc > 2) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Decode");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Decode");
     return;
   }
 
@@ -3666,8 +3644,7 @@ void CXFA_FM2JSContext::Encode(CFXJSE_Value* pThis,
                                CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc < 1 || argc > 2) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Encode");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Encode");
     return;
   }
 
@@ -3985,7 +3962,7 @@ void CXFA_FM2JSContext::Format(CFXJSE_Value* pThis,
                                CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() < 2) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Format");
+    pContext->ThrowParamCountMismatchException(L"Format");
     return;
   }
 
@@ -4063,8 +4040,7 @@ void CXFA_FM2JSContext::Left(CFXJSE_Value* pThis,
                              const CFX_ByteStringC& szFuncName,
                              CFXJSE_Arguments& args) {
   if (args.GetLength() != 2) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Left");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Left");
     return;
   }
 
@@ -4087,8 +4063,7 @@ void CXFA_FM2JSContext::Len(CFXJSE_Value* pThis,
                             const CFX_ByteStringC& szFuncName,
                             CFXJSE_Arguments& args) {
   if (args.GetLength() != 1) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Len");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Len");
     return;
   }
 
@@ -4109,8 +4084,7 @@ void CXFA_FM2JSContext::Lower(CFXJSE_Value* pThis,
                               CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc < 1 || argc > 2) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Lower");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Lower");
     return;
   }
 
@@ -4148,8 +4122,7 @@ void CXFA_FM2JSContext::Ltrim(CFXJSE_Value* pThis,
                               const CFX_ByteStringC& szFuncName,
                               CFXJSE_Arguments& args) {
   if (args.GetLength() != 1) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Ltrim");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Ltrim");
     return;
   }
 
@@ -4171,7 +4144,7 @@ void CXFA_FM2JSContext::Parse(CFXJSE_Value* pThis,
                               CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 2) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Parse");
+    pContext->ThrowParamCountMismatchException(L"Parse");
     return;
   }
 
@@ -4302,8 +4275,7 @@ void CXFA_FM2JSContext::Replace(CFXJSE_Value* pThis,
                                 CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc < 2 || argc > 3) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Replace");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Replace");
     return;
   }
 
@@ -4361,8 +4333,7 @@ void CXFA_FM2JSContext::Right(CFXJSE_Value* pThis,
                               const CFX_ByteStringC& szFuncName,
                               CFXJSE_Arguments& args) {
   if (args.GetLength() != 2) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Right");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Right");
     return;
   }
 
@@ -4385,8 +4356,7 @@ void CXFA_FM2JSContext::Rtrim(CFXJSE_Value* pThis,
                               const CFX_ByteStringC& szFuncName,
                               CFXJSE_Arguments& args) {
   if (args.GetLength() != 1) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Rtrim");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Rtrim");
     return;
   }
 
@@ -4407,8 +4377,7 @@ void CXFA_FM2JSContext::Space(CFXJSE_Value* pThis,
                               const CFX_ByteStringC& szFuncName,
                               CFXJSE_Arguments& args) {
   if (args.GetLength() != 1) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Space");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Space");
     return;
   }
 
@@ -4435,8 +4404,7 @@ void CXFA_FM2JSContext::Str(CFXJSE_Value* pThis,
                             CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc < 1 || argc > 3) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Str");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Str");
     return;
   }
 
@@ -4552,8 +4520,7 @@ void CXFA_FM2JSContext::Stuff(CFXJSE_Value* pThis,
                               CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc < 3 || argc > 4) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Stuff");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Stuff");
     return;
   }
 
@@ -4602,8 +4569,7 @@ void CXFA_FM2JSContext::Substr(CFXJSE_Value* pThis,
                                const CFX_ByteStringC& szFuncName,
                                CFXJSE_Arguments& args) {
   if (args.GetLength() != 3) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Substr");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Substr");
     return;
   }
 
@@ -4643,8 +4609,7 @@ void CXFA_FM2JSContext::Uuid(CFXJSE_Value* pThis,
                              CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc < 0 || argc > 1) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Uuid");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Uuid");
     return;
   }
 
@@ -4667,8 +4632,7 @@ void CXFA_FM2JSContext::Upper(CFXJSE_Value* pThis,
                               CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc < 1 || argc > 2) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Upper");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"Upper");
     return;
   }
 
@@ -4708,8 +4672,7 @@ void CXFA_FM2JSContext::WordNum(CFXJSE_Value* pThis,
                                 CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if (argc < 1 || argc > 3) {
-    ToJSContext(pThis, nullptr)
-        ->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"WordNum");
+    ToJSContext(pThis, nullptr)->ThrowParamCountMismatchException(L"WordNum");
     return;
   }
 
@@ -4909,7 +4872,7 @@ void CXFA_FM2JSContext::Get(CFXJSE_Value* pThis,
                             CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 1) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Get");
+    pContext->ThrowParamCountMismatchException(L"Get");
     return;
   }
 
@@ -4942,7 +4905,7 @@ void CXFA_FM2JSContext::Post(CFXJSE_Value* pThis,
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   int32_t argc = args.GetLength();
   if (argc < 2 || argc > 5) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Post");
+    pContext->ThrowParamCountMismatchException(L"Post");
     return;
   }
 
@@ -4987,7 +4950,7 @@ void CXFA_FM2JSContext::Post(CFXJSE_Value* pThis,
           CFX_WideString::FromUTF8(bsContentType.AsStringC()),
           CFX_WideString::FromUTF8(bsEncode.AsStringC()),
           CFX_WideString::FromUTF8(bsHeader.AsStringC()), decodedResponse)) {
-    pContext->ThrowException(XFA_IDS_SERVER_DENY);
+    pContext->ThrowServerDeniedException();
     return;
   }
 
@@ -5003,7 +4966,7 @@ void CXFA_FM2JSContext::Put(CFXJSE_Value* pThis,
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   int32_t argc = args.GetLength();
   if (argc < 2 || argc > 3) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Put");
+    pContext->ThrowParamCountMismatchException(L"Put");
     return;
   }
 
@@ -5033,7 +4996,7 @@ void CXFA_FM2JSContext::Put(CFXJSE_Value* pThis,
           CFX_WideString::FromUTF8(bsURL.AsStringC()),
           CFX_WideString::FromUTF8(bsData.AsStringC()),
           CFX_WideString::FromUTF8(bsEncode.AsStringC()))) {
-    pContext->ThrowException(XFA_IDS_SERVER_DENY);
+    pContext->ThrowServerDeniedException();
     return;
   }
 
@@ -5046,7 +5009,7 @@ void CXFA_FM2JSContext::assign_value_operator(CFXJSE_Value* pThis,
                                               CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 2) {
-    pContext->ThrowException(XFA_IDS_COMPILER_ERROR);
+    pContext->ThrowCompilerErrorException();
     return;
   }
 
@@ -5064,7 +5027,7 @@ void CXFA_FM2JSContext::assign_value_operator(CFXJSE_Value* pThis,
       for (int32_t i = 2; i < iLeftLength; i++) {
         lValue->GetObjectPropertyByIdx(i, jsObjectValue.get());
         if (!SetObjectDefaultValue(jsObjectValue.get(), rValue.get())) {
-          pContext->ThrowException(XFA_IDS_NOT_DEFAUL_VALUE);
+          pContext->ThrowNoDefaultPropertyException(szFuncName);
           return;
         }
       }
@@ -5077,7 +5040,7 @@ void CXFA_FM2JSContext::assign_value_operator(CFXJSE_Value* pThis,
     }
   } else if (lValue->IsObject()) {
     if (!SetObjectDefaultValue(lValue.get(), rValue.get())) {
-      pContext->ThrowException(XFA_IDS_NOT_DEFAUL_VALUE);
+      pContext->ThrowNoDefaultPropertyException(szFuncName);
       return;
     }
   }
@@ -5089,7 +5052,7 @@ void CXFA_FM2JSContext::logical_or_operator(CFXJSE_Value* pThis,
                                             const CFX_ByteStringC& szFuncName,
                                             CFXJSE_Arguments& args) {
   if (args.GetLength() != 2) {
-    ToJSContext(pThis, nullptr)->ThrowException(XFA_IDS_COMPILER_ERROR);
+    ToJSContext(pThis, nullptr)->ThrowCompilerErrorException();
     return;
   }
 
@@ -5110,7 +5073,7 @@ void CXFA_FM2JSContext::logical_and_operator(CFXJSE_Value* pThis,
                                              const CFX_ByteStringC& szFuncName,
                                              CFXJSE_Arguments& args) {
   if (args.GetLength() != 2) {
-    ToJSContext(pThis, nullptr)->ThrowException(XFA_IDS_COMPILER_ERROR);
+    ToJSContext(pThis, nullptr)->ThrowCompilerErrorException();
     return;
   }
 
@@ -5131,7 +5094,7 @@ void CXFA_FM2JSContext::equality_operator(CFXJSE_Value* pThis,
                                           const CFX_ByteStringC& szFuncName,
                                           CFXJSE_Arguments& args) {
   if (args.GetLength() != 2) {
-    ToJSContext(pThis, nullptr)->ThrowException(XFA_IDS_COMPILER_ERROR);
+    ToJSContext(pThis, nullptr)->ThrowCompilerErrorException();
     return;
   }
 
@@ -5164,7 +5127,7 @@ void CXFA_FM2JSContext::notequality_operator(CFXJSE_Value* pThis,
                                              const CFX_ByteStringC& szFuncName,
                                              CFXJSE_Arguments& args) {
   if (args.GetLength() != 2) {
-    ToJSContext(pThis, nullptr)->ThrowException(XFA_IDS_COMPILER_ERROR);
+    ToJSContext(pThis, nullptr)->ThrowCompilerErrorException();
     return;
   }
 
@@ -5224,7 +5187,7 @@ void CXFA_FM2JSContext::less_operator(CFXJSE_Value* pThis,
                                       const CFX_ByteStringC& szFuncName,
                                       CFXJSE_Arguments& args) {
   if (args.GetLength() != 2) {
-    ToJSContext(pThis, nullptr)->ThrowException(XFA_IDS_COMPILER_ERROR);
+    ToJSContext(pThis, nullptr)->ThrowCompilerErrorException();
     return;
   }
 
@@ -5251,7 +5214,7 @@ void CXFA_FM2JSContext::lessequal_operator(CFXJSE_Value* pThis,
                                            const CFX_ByteStringC& szFuncName,
                                            CFXJSE_Arguments& args) {
   if (args.GetLength() != 2) {
-    ToJSContext(pThis, nullptr)->ThrowException(XFA_IDS_COMPILER_ERROR);
+    ToJSContext(pThis, nullptr)->ThrowCompilerErrorException();
     return;
   }
 
@@ -5279,7 +5242,7 @@ void CXFA_FM2JSContext::greater_operator(CFXJSE_Value* pThis,
                                          const CFX_ByteStringC& szFuncName,
                                          CFXJSE_Arguments& args) {
   if (args.GetLength() != 2) {
-    ToJSContext(pThis, nullptr)->ThrowException(XFA_IDS_COMPILER_ERROR);
+    ToJSContext(pThis, nullptr)->ThrowCompilerErrorException();
     return;
   }
 
@@ -5306,7 +5269,7 @@ void CXFA_FM2JSContext::greaterequal_operator(CFXJSE_Value* pThis,
                                               const CFX_ByteStringC& szFuncName,
                                               CFXJSE_Arguments& args) {
   if (args.GetLength() != 2) {
-    ToJSContext(pThis, nullptr)->ThrowException(XFA_IDS_COMPILER_ERROR);
+    ToJSContext(pThis, nullptr)->ThrowCompilerErrorException();
     return;
   }
 
@@ -5334,7 +5297,7 @@ void CXFA_FM2JSContext::plus_operator(CFXJSE_Value* pThis,
                                       const CFX_ByteStringC& szFuncName,
                                       CFXJSE_Arguments& args) {
   if (args.GetLength() != 2) {
-    ToJSContext(pThis, nullptr)->ThrowException(XFA_IDS_COMPILER_ERROR);
+    ToJSContext(pThis, nullptr)->ThrowCompilerErrorException();
     return;
   }
 
@@ -5356,7 +5319,7 @@ void CXFA_FM2JSContext::minus_operator(CFXJSE_Value* pThis,
                                        const CFX_ByteStringC& szFuncName,
                                        CFXJSE_Arguments& args) {
   if (args.GetLength() != 2) {
-    ToJSContext(pThis, nullptr)->ThrowException(XFA_IDS_COMPILER_ERROR);
+    ToJSContext(pThis, nullptr)->ThrowCompilerErrorException();
     return;
   }
 
@@ -5377,7 +5340,7 @@ void CXFA_FM2JSContext::multiple_operator(CFXJSE_Value* pThis,
                                           const CFX_ByteStringC& szFuncName,
                                           CFXJSE_Arguments& args) {
   if (args.GetLength() != 2) {
-    ToJSContext(pThis, nullptr)->ThrowException(XFA_IDS_COMPILER_ERROR);
+    ToJSContext(pThis, nullptr)->ThrowCompilerErrorException();
     return;
   }
 
@@ -5399,7 +5362,7 @@ void CXFA_FM2JSContext::divide_operator(CFXJSE_Value* pThis,
                                         CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 2) {
-    pContext->ThrowException(XFA_IDS_COMPILER_ERROR);
+    pContext->ThrowCompilerErrorException();
     return;
   }
 
@@ -5412,7 +5375,7 @@ void CXFA_FM2JSContext::divide_operator(CFXJSE_Value* pThis,
 
   FX_DOUBLE second = ValueToDouble(pThis, argSecond.get());
   if (second == 0.0) {
-    pContext->ThrowException(XFA_IDS_DIVIDE_ZERO);
+    pContext->ThrowDivideByZeroException();
     return;
   }
 
@@ -5425,7 +5388,7 @@ void CXFA_FM2JSContext::positive_operator(CFXJSE_Value* pThis,
                                           const CFX_ByteStringC& szFuncName,
                                           CFXJSE_Arguments& args) {
   if (args.GetLength() != 1) {
-    ToJSContext(pThis, nullptr)->ThrowException(XFA_IDS_COMPILER_ERROR);
+    ToJSContext(pThis, nullptr)->ThrowCompilerErrorException();
     return;
   }
 
@@ -5442,7 +5405,7 @@ void CXFA_FM2JSContext::negative_operator(CFXJSE_Value* pThis,
                                           const CFX_ByteStringC& szFuncName,
                                           CFXJSE_Arguments& args) {
   if (args.GetLength() != 1) {
-    ToJSContext(pThis, nullptr)->ThrowException(XFA_IDS_COMPILER_ERROR);
+    ToJSContext(pThis, nullptr)->ThrowCompilerErrorException();
     return;
   }
 
@@ -5459,7 +5422,7 @@ void CXFA_FM2JSContext::logical_not_operator(CFXJSE_Value* pThis,
                                              const CFX_ByteStringC& szFuncName,
                                              CFXJSE_Arguments& args) {
   if (args.GetLength() != 1) {
-    ToJSContext(pThis, nullptr)->ThrowException(XFA_IDS_COMPILER_ERROR);
+    ToJSContext(pThis, nullptr)->ThrowCompilerErrorException();
     return;
   }
 
@@ -5481,7 +5444,7 @@ void CXFA_FM2JSContext::dot_accessor(CFXJSE_Value* pThis,
   v8::Isolate* pIsolate = pContext->GetScriptRuntime();
   int32_t argc = args.GetLength();
   if (argc < 4 || argc > 5) {
-    pContext->ThrowException(XFA_IDS_COMPILER_ERROR);
+    pContext->ThrowCompilerErrorException();
     return;
   }
 
@@ -5522,12 +5485,9 @@ void CXFA_FM2JSContext::dot_accessor(CFXJSE_Value* pThis,
       }
     }
     if (iCounter < 1) {
-      CFX_WideString wsPropertyName =
-          CFX_WideString::FromUTF8(szName.AsStringC());
-      CFX_WideString wsSomExpression =
-          CFX_WideString::FromUTF8(szSomExp.AsStringC());
-      pContext->ThrowException(XFA_IDS_ACCESS_PROPERTY_IN_NOT_OBJECT,
-                               wsPropertyName.c_str(), wsSomExpression.c_str());
+      pContext->ThrowPropertyNotInObjectException(
+          CFX_WideString::FromUTF8(szName.AsStringC()),
+          CFX_WideString::FromUTF8(szSomExp.AsStringC()));
       return;
     }
 
@@ -5581,12 +5541,9 @@ void CXFA_FM2JSContext::dot_accessor(CFXJSE_Value* pThis,
                           resoveNodeRS, true, szName.IsEmpty());
   }
   if (iRet < 1) {
-    CFX_WideString wsPropertyName =
-        CFX_WideString::FromUTF8(szName.AsStringC());
-    CFX_WideString wsSomExpression =
-        CFX_WideString::FromUTF8(szSomExp.AsStringC());
-    pContext->ThrowException(XFA_IDS_ACCESS_PROPERTY_IN_NOT_OBJECT,
-                             wsPropertyName.c_str(), wsSomExpression.c_str());
+    pContext->ThrowPropertyNotInObjectException(
+        CFX_WideString::FromUTF8(szName.AsStringC()),
+        CFX_WideString::FromUTF8(szSomExp.AsStringC()));
     return;
   }
 
@@ -5626,7 +5583,7 @@ void CXFA_FM2JSContext::dotdot_accessor(CFXJSE_Value* pThis,
   v8::Isolate* pIsolate = pContext->GetScriptRuntime();
   int32_t argc = args.GetLength();
   if (argc < 4 || argc > 5) {
-    pContext->ThrowException(XFA_IDS_COMPILER_ERROR);
+    pContext->ThrowCompilerErrorException();
     return;
   }
 
@@ -5664,12 +5621,9 @@ void CXFA_FM2JSContext::dotdot_accessor(CFXJSE_Value* pThis,
       }
     }
     if (iCounter < 1) {
-      CFX_WideString wsPropertyName =
-          CFX_WideString::FromUTF8(szName.AsStringC());
-      CFX_WideString wsSomExpression =
-          CFX_WideString::FromUTF8(szSomExp.AsStringC());
-      pContext->ThrowException(XFA_IDS_ACCESS_PROPERTY_IN_NOT_OBJECT,
-                               wsPropertyName.c_str(), wsSomExpression.c_str());
+      pContext->ThrowPropertyNotInObjectException(
+          CFX_WideString::FromUTF8(szName.AsStringC()),
+          CFX_WideString::FromUTF8(szSomExp.AsStringC()));
       return;
     }
 
@@ -5719,12 +5673,9 @@ void CXFA_FM2JSContext::dotdot_accessor(CFXJSE_Value* pThis,
                           resoveNodeRS, false);
   }
   if (iRet < 1) {
-    CFX_WideString wsPropertyName =
-        CFX_WideString::FromUTF8(szName.AsStringC());
-    CFX_WideString wsSomExpression =
-        CFX_WideString::FromUTF8(szSomExp.AsStringC());
-    pContext->ThrowException(XFA_IDS_ACCESS_PROPERTY_IN_NOT_OBJECT,
-                             wsPropertyName.c_str(), wsSomExpression.c_str());
+    pContext->ThrowPropertyNotInObjectException(
+        CFX_WideString::FromUTF8(szName.AsStringC()),
+        CFX_WideString::FromUTF8(szSomExp.AsStringC()));
     return;
   }
 
@@ -5763,7 +5714,7 @@ void CXFA_FM2JSContext::eval_translation(CFXJSE_Value* pThis,
                                          CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 1) {
-    pContext->ThrowException(XFA_IDS_INCORRECT_NUMBER_OF_METHOD, L"Eval");
+    pContext->ThrowParamCountMismatchException(L"Eval");
     return;
   }
 
@@ -5771,7 +5722,7 @@ void CXFA_FM2JSContext::eval_translation(CFXJSE_Value* pThis,
   CFX_ByteString argString;
   ValueToUTF8String(argOne.get(), argString);
   if (argString.IsEmpty()) {
-    pContext->ThrowException(XFA_IDS_ARGUMENT_MISMATCH);
+    pContext->ThrowArgumentMismatchException();
     return;
   }
 
@@ -5781,7 +5732,7 @@ void CXFA_FM2JSContext::eval_translation(CFXJSE_Value* pThis,
   CXFA_FM2JSContext::Translate(scriptString.AsStringC(), wsJavaScriptBuf,
                                wsError);
   if (!wsError.IsEmpty()) {
-    pContext->ThrowException(XFA_IDS_COMPILER_ERROR);
+    pContext->ThrowCompilerErrorException();
     return;
   }
 
@@ -5822,7 +5773,7 @@ void CXFA_FM2JSContext::get_fm_value(CFXJSE_Value* pThis,
                                      CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 1) {
-    pContext->ThrowException(XFA_IDS_COMPILER_ERROR);
+    pContext->ThrowCompilerErrorException();
     return;
   }
 
@@ -5856,7 +5807,7 @@ void CXFA_FM2JSContext::get_fm_jsobj(CFXJSE_Value* pThis,
                                      const CFX_ByteStringC& szFuncName,
                                      CFXJSE_Arguments& args) {
   if (args.GetLength() != 1) {
-    ToJSContext(pThis, nullptr)->ThrowException(XFA_IDS_COMPILER_ERROR);
+    ToJSContext(pThis, nullptr)->ThrowCompilerErrorException();
     return;
   }
 
@@ -5883,7 +5834,7 @@ void CXFA_FM2JSContext::fm_var_filter(CFXJSE_Value* pThis,
                                       CFXJSE_Arguments& args) {
   CXFA_FM2JSContext* pContext = ToJSContext(pThis, nullptr);
   if (args.GetLength() != 1) {
-    pContext->ThrowException(XFA_IDS_COMPILER_ERROR);
+    pContext->ThrowCompilerErrorException();
     return;
   }
 
@@ -5928,7 +5879,7 @@ void CXFA_FM2JSContext::fm_var_filter(CFXJSE_Value* pThis,
   std::unique_ptr<CFXJSE_Value> objectValue(new CFXJSE_Value(pIsolate));
   argOne->GetObjectPropertyByIdx(2, objectValue.get());
   if (objectValue->IsNull()) {
-    pContext->ThrowException(XFA_IDS_COMPILER_ERROR);
+    pContext->ThrowCompilerErrorException();
     return;
   }
   args.GetReturnValue()->Assign(argOne.get());
@@ -6509,14 +6460,47 @@ void CXFA_FM2JSContext::GlobalPropertyGetter(CFXJSE_Value* pValue) {
   pValue->Assign(m_pValue.get());
 }
 
-void CXFA_FM2JSContext::ThrowException(int32_t iStringID, ...) {
-  IXFA_AppProvider* pAppProvider = m_pDocument->GetNotify()->GetAppProvider();
-  ASSERT(pAppProvider);
+void CXFA_FM2JSContext::ThrowNoDefaultPropertyException(
+    const CFX_ByteStringC& name) const {
+  ThrowException(L"%s doesn't have a default property.", name.c_str());
+}
+
+void CXFA_FM2JSContext::ThrowCompilerErrorException() const {
+  ThrowException(L"Compiler error.");
+}
+
+void CXFA_FM2JSContext::ThrowDivideByZeroException() const {
+  ThrowException(L"Divide by zero.");
+}
+
+void CXFA_FM2JSContext::ThrowServerDeniedException() const {
+  ThrowException(L"Server does not permit operation.");
+}
+
+void CXFA_FM2JSContext::ThrowPropertyNotInObjectException(
+    const CFX_WideString& name,
+    const CFX_WideString& exp) const {
+  ThrowException(
+      L"An attempt was made to reference property '%s' of a non-object "
+      L"in SOM expression %s.",
+      name.c_str(), exp.c_str());
+}
+
+void CXFA_FM2JSContext::ThrowParamCountMismatchException(
+    const CFX_WideString& method) const {
+  ThrowException(L"Incorrect number of parameters calling method '%s'.",
+                 method.c_str());
+}
+
+void CXFA_FM2JSContext::ThrowArgumentMismatchException() const {
+  ThrowException(L"Argument mismatch in property or function argument.");
+}
 
+void CXFA_FM2JSContext::ThrowException(const FX_WCHAR* str, ...) const {
   CFX_WideString wsMessage;
   va_list arg_ptr;
-  va_start(arg_ptr, iStringID);
-  wsMessage.FormatV(pAppProvider->LoadString(iStringID).c_str(), arg_ptr);
+  va_start(arg_ptr, str);
+  wsMessage.FormatV(str, arg_ptr);
   va_end(arg_ptr);
   FXJSE_ThrowMessage(
       FX_UTF8Encode(wsMessage.c_str(), wsMessage.GetLength()).AsStringC());
diff --git a/xfa/fxfa/fm2js/xfa_fm2jscontext.h b/xfa/fxfa/fm2js/xfa_fm2jscontext.h
index f6be186c15..413cb3027a 100644
--- a/xfa/fxfa/fm2js/xfa_fm2jscontext.h
+++ b/xfa/fxfa/fm2js/xfa_fm2jscontext.h
@@ -452,7 +452,16 @@ class CXFA_FM2JSContext : public CFXJSE_HostObject {
  private:
   v8::Isolate* GetScriptRuntime() const { return m_pIsolate; }
   CXFA_Document* GetDocument() const { return m_pDocument; }
-  void ThrowException(int32_t iStringID, ...);
+
+  void ThrowNoDefaultPropertyException(const CFX_ByteStringC& name) const;
+  void ThrowCompilerErrorException() const;
+  void ThrowDivideByZeroException() const;
+  void ThrowServerDeniedException() const;
+  void ThrowPropertyNotInObjectException(const CFX_WideString& name,
+                                         const CFX_WideString& exp) const;
+  void ThrowArgumentMismatchException() const;
+  void ThrowParamCountMismatchException(const CFX_WideString& method) const;
+  void ThrowException(const FX_WCHAR* str, ...) const;
 
   v8::Isolate* m_pIsolate;
   CFXJSE_Class* m_pFMClass;