Rename formcalc files to better match contents

Most files match the contents. The expression files are named to match
their base type even though they contain all the expression
subclasses.

Change-Id: I3b7705c7b206a9fa1afae8b677f765e8b788e84d
Reviewed-on: https://pdfium-review.googlesource.com/5492
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 681 insertions, 0 deletions

diff --git a/xfa/fxfa/fm2js/cxfa_fmexpression.cpp b/xfa/fxfa/fm2js/cxfa_fmexpression.cpp
new file mode 100644
index 0000000000..78f6a1f340
--- /dev/null
+++ b/xfa/fxfa/fm2js/cxfa_fmexpression.cpp
@@ -0,0 +1,681 @@
+// 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/fm2js/cxfa_fmexpression.h"
+
+#include <utility>
+
+#include "core/fxcrt/fx_basic.h"
+
+namespace {
+
+const wchar_t RUNTIMEBLOCKTEMPARRAY[] =
+    L"foxit_xfa_formcalc_runtime_block_temp_array";
+
+const wchar_t RUNTIMEBLOCKTEMPARRAYINDEX[] =
+    L"foxit_xfa_formcalc_runtime_block_temp_array_index";
+
+const wchar_t kLessEqual[] = L" <= ";
+const wchar_t kGreaterEqual[] = L" >= ";
+const wchar_t kPlusEqual[] = L" += ";
+const wchar_t kMinusEqual[] = L" -= ";
+
+}  // namespace
+
+CXFA_FMExpression::CXFA_FMExpression(uint32_t line)
+    : m_type(XFA_FM_EXPTYPE_UNKNOWN), m_line(line) {}
+
+CXFA_FMExpression::CXFA_FMExpression(uint32_t line, XFA_FM_EXPTYPE type)
+    : m_type(type), m_line(line) {}
+
+bool CXFA_FMExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+  return true;
+}
+
+bool CXFA_FMExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+  return true;
+}
+
+CXFA_FMFunctionDefinition::CXFA_FMFunctionDefinition(
+    uint32_t line,
+    bool isGlobal,
+    const CFX_WideStringC& wsName,
+    std::vector<CFX_WideStringC>&& arguments,
+    std::vector<std::unique_ptr<CXFA_FMExpression>>&& expressions)
+    : CXFA_FMExpression(line, XFA_FM_EXPTYPE_FUNC),
+      m_wsName(wsName),
+      m_pArguments(std::move(arguments)),
+      m_pExpressions(std::move(expressions)),
+      m_isGlobal(isGlobal) {}
+
+CXFA_FMFunctionDefinition::~CXFA_FMFunctionDefinition() {}
+
+bool CXFA_FMFunctionDefinition::ToJavaScript(CFX_WideTextBuf& javascript) {
+  if (m_isGlobal && m_pExpressions.empty()) {
+    javascript << L"// comments only";
+    return true;
+  }
+  if (m_isGlobal) {
+    javascript << L"(\n";
+  }
+  javascript << L"function ";
+  if (m_wsName.GetAt(0) == L'!') {
+    CFX_WideString tempName = EXCLAMATION_IN_IDENTIFIER + m_wsName.Mid(1);
+    javascript << tempName;
+  } else {
+    javascript << m_wsName;
+  }
+  javascript << L"(";
+  bool bNeedComma = false;
+  for (const auto& identifier : m_pArguments) {
+    if (bNeedComma)
+      javascript << L", ";
+    if (identifier.GetAt(0) == L'!') {
+      CFX_WideString tempIdentifier =
+          EXCLAMATION_IN_IDENTIFIER + identifier.Mid(1);
+      javascript << tempIdentifier;
+    } else {
+      javascript << identifier;
+    }
+    bNeedComma = true;
+  }
+  javascript << L")\n{\n";
+  javascript << L"var ";
+  javascript << RUNTIMEFUNCTIONRETURNVALUE;
+  javascript << L" = null;\n";
+  for (const auto& expr : m_pExpressions) {
+    bool ret;
+    if (expr == m_pExpressions.back())
+      ret = expr->ToImpliedReturnJS(javascript);
+    else
+      ret = expr->ToJavaScript(javascript);
+    if (!ret || CFXA_IsTooBig(javascript))
+      return false;
+  }
+  javascript << L"return ";
+  if (m_isGlobal) {
+    javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
+    javascript << L"(";
+    javascript << RUNTIMEFUNCTIONRETURNVALUE;
+    javascript << L")";
+  } else {
+    javascript << RUNTIMEFUNCTIONRETURNVALUE;
+  }
+  javascript << L";\n}\n";
+  if (m_isGlobal) {
+    javascript << L").call(this);\n";
+  }
+  return true;
+}
+
+bool CXFA_FMFunctionDefinition::ToImpliedReturnJS(CFX_WideTextBuf&) {
+  return true;
+}
+
+CXFA_FMVarExpression::CXFA_FMVarExpression(
+    uint32_t line,
+    const CFX_WideStringC& wsName,
+    std::unique_ptr<CXFA_FMExpression> pInit)
+    : CXFA_FMExpression(line, XFA_FM_EXPTYPE_VAR),
+      m_wsName(wsName),
+      m_pInit(std::move(pInit)) {}
+
+CXFA_FMVarExpression::~CXFA_FMVarExpression() {}
+
+bool CXFA_FMVarExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+  javascript << L"var ";
+  CFX_WideString tempName(m_wsName);
+  if (m_wsName.GetAt(0) == L'!') {
+    tempName = EXCLAMATION_IN_IDENTIFIER + m_wsName.Mid(1);
+  }
+  javascript << tempName;
+  javascript << L" = ";
+  if (m_pInit) {
+    if (!m_pInit->ToJavaScript(javascript))
+      return false;
+    javascript << tempName;
+    javascript << L" = ";
+    javascript << XFA_FM_EXPTypeToString(VARFILTER);
+    javascript << L"(";
+    javascript << tempName;
+    javascript << L");\n";
+  } else {
+    javascript << L"\"\";\n";
+  }
+  return true;
+}
+
+bool CXFA_FMVarExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+  javascript << L"var ";
+  CFX_WideString tempName(m_wsName);
+  if (m_wsName.GetAt(0) == L'!') {
+    tempName = EXCLAMATION_IN_IDENTIFIER + m_wsName.Mid(1);
+  }
+  javascript << tempName;
+  javascript << L" = ";
+  if (m_pInit) {
+    if (!m_pInit->ToJavaScript(javascript))
+      return false;
+    javascript << tempName;
+    javascript << L" = ";
+    javascript << XFA_FM_EXPTypeToString(VARFILTER);
+    javascript << L"(";
+    javascript << tempName;
+    javascript << L");\n";
+  } else {
+    javascript << L"\"\";\n";
+  }
+  javascript << RUNTIMEFUNCTIONRETURNVALUE;
+  javascript << L" = ";
+  javascript << tempName;
+  javascript << L";\n";
+  return true;
+}
+
+CXFA_FMExpExpression::CXFA_FMExpExpression(
+    uint32_t line,
+    std::unique_ptr<CXFA_FMSimpleExpression> pExpression)
+    : CXFA_FMExpression(line, XFA_FM_EXPTYPE_EXP),
+      m_pExpression(std::move(pExpression)) {}
+
+CXFA_FMExpExpression::~CXFA_FMExpExpression() {}
+
+bool CXFA_FMExpExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+  bool ret = m_pExpression->ToJavaScript(javascript);
+  if (m_pExpression->GetOperatorToken() != TOKassign)
+    javascript << L";\n";
+  return ret;
+}
+
+bool CXFA_FMExpExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+  if (m_pExpression->GetOperatorToken() == TOKassign)
+    return m_pExpression->ToImpliedReturnJS(javascript);
+
+  if (m_pExpression->GetOperatorToken() == TOKstar ||
+      m_pExpression->GetOperatorToken() == TOKdotstar ||
+      m_pExpression->GetOperatorToken() == TOKdotscream ||
+      m_pExpression->GetOperatorToken() == TOKdotdot ||
+      m_pExpression->GetOperatorToken() == TOKdot) {
+    javascript << RUNTIMEFUNCTIONRETURNVALUE;
+    javascript << L" = ";
+    javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
+    javascript << L"(";
+    if (!m_pExpression->ToJavaScript(javascript))
+      return false;
+    javascript << L");\n";
+    return true;
+  }
+
+  javascript << RUNTIMEFUNCTIONRETURNVALUE;
+  javascript << L" = ";
+  if (!m_pExpression->ToJavaScript(javascript))
+    return false;
+  javascript << L";\n";
+  return true;
+}
+
+CXFA_FMBlockExpression::CXFA_FMBlockExpression(
+    uint32_t line,
+    std::vector<std::unique_ptr<CXFA_FMExpression>>&& pExpressionList)
+    : CXFA_FMExpression(line, XFA_FM_EXPTYPE_BLOCK),
+      m_ExpressionList(std::move(pExpressionList)) {}
+
+CXFA_FMBlockExpression::~CXFA_FMBlockExpression() {}
+
+bool CXFA_FMBlockExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+  javascript << L"{\n";
+  for (const auto& expr : m_ExpressionList) {
+    if (!expr->ToJavaScript(javascript) || CFXA_IsTooBig(javascript))
+      return false;
+  }
+  javascript << L"}\n";
+  return true;
+}
+
+bool CXFA_FMBlockExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+  javascript << L"{\n";
+  for (const auto& expr : m_ExpressionList) {
+    bool ret;
+    if (expr == m_ExpressionList.back())
+      ret = expr->ToImpliedReturnJS(javascript);
+    else
+      ret = expr->ToJavaScript(javascript);
+    if (!ret || CFXA_IsTooBig(javascript))
+      return false;
+  }
+  javascript << L"}\n";
+  return true;
+}
+
+CXFA_FMDoExpression::CXFA_FMDoExpression(
+    uint32_t line,
+    std::unique_ptr<CXFA_FMExpression> pList)
+    : CXFA_FMExpression(line), m_pList(std::move(pList)) {}
+
+CXFA_FMDoExpression::~CXFA_FMDoExpression() {}
+
+bool CXFA_FMDoExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+  return m_pList->ToJavaScript(javascript);
+}
+
+bool CXFA_FMDoExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+  return m_pList->ToImpliedReturnJS(javascript);
+}
+
+CXFA_FMIfExpression::CXFA_FMIfExpression(
+    uint32_t line,
+    std::unique_ptr<CXFA_FMSimpleExpression> pExpression,
+    std::unique_ptr<CXFA_FMExpression> pIfExpression,
+    std::unique_ptr<CXFA_FMExpression> pElseExpression)
+    : CXFA_FMExpression(line, XFA_FM_EXPTYPE_IF),
+      m_pExpression(std::move(pExpression)),
+      m_pIfExpression(std::move(pIfExpression)),
+      m_pElseExpression(std::move(pElseExpression)) {}
+
+CXFA_FMIfExpression::~CXFA_FMIfExpression() {}
+
+bool CXFA_FMIfExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+  javascript << L"if (";
+  if (m_pExpression) {
+    javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
+    javascript << L"(";
+    if (!m_pExpression->ToJavaScript(javascript))
+      return false;
+    javascript << L")";
+  }
+  javascript << L")\n";
+  if (CFXA_IsTooBig(javascript))
+    return false;
+
+  if (m_pIfExpression) {
+    if (!m_pIfExpression->ToJavaScript(javascript))
+      return false;
+    if (CFXA_IsTooBig(javascript))
+      return false;
+  }
+
+  if (m_pElseExpression) {
+    if (m_pElseExpression->GetExpType() == XFA_FM_EXPTYPE_IF) {
+      javascript << L"else\n";
+      javascript << L"{\n";
+      if (!m_pElseExpression->ToJavaScript(javascript))
+        return false;
+      javascript << L"}\n";
+    } else {
+      javascript << L"else\n";
+      if (!m_pElseExpression->ToJavaScript(javascript))
+        return false;
+    }
+  }
+  return !CFXA_IsTooBig(javascript);
+}
+
+bool CXFA_FMIfExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+  javascript << RUNTIMEFUNCTIONRETURNVALUE;
+  javascript << L" = 0;\n";
+  javascript << L"if (";
+  if (m_pExpression) {
+    javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
+    javascript << L"(";
+    if (!m_pExpression->ToJavaScript(javascript))
+      return false;
+    javascript << L")";
+  }
+  javascript << L")\n";
+  if (CFXA_IsTooBig(javascript))
+    return false;
+
+  if (m_pIfExpression) {
+    if (!m_pIfExpression->ToImpliedReturnJS(javascript))
+      return false;
+    if (CFXA_IsTooBig(javascript))
+      return false;
+  }
+  if (m_pElseExpression) {
+    if (m_pElseExpression->GetExpType() == XFA_FM_EXPTYPE_IF) {
+      javascript << L"else\n";
+      javascript << L"{\n";
+      if (!m_pElseExpression->ToImpliedReturnJS(javascript))
+        return false;
+      javascript << L"}\n";
+    } else {
+      javascript << L"else\n";
+      if (!m_pElseExpression->ToImpliedReturnJS(javascript))
+        return false;
+    }
+  }
+  return !CFXA_IsTooBig(javascript);
+}
+
+CXFA_FMLoopExpression::~CXFA_FMLoopExpression() {}
+
+bool CXFA_FMLoopExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+  return true;
+}
+
+bool CXFA_FMLoopExpression::ToImpliedReturnJS(CFX_WideTextBuf&) {
+  return true;
+}
+
+CXFA_FMWhileExpression::CXFA_FMWhileExpression(
+    uint32_t line,
+    std::unique_ptr<CXFA_FMSimpleExpression> pCondition,
+    std::unique_ptr<CXFA_FMExpression> pExpression)
+    : CXFA_FMLoopExpression(line),
+      m_pCondition(std::move(pCondition)),
+      m_pExpression(std::move(pExpression)) {}
+
+CXFA_FMWhileExpression::~CXFA_FMWhileExpression() {}
+
+bool CXFA_FMWhileExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+  javascript << L"while (";
+  if (!m_pCondition->ToJavaScript(javascript))
+    return false;
+  javascript << L")\n";
+  if (CFXA_IsTooBig(javascript))
+    return false;
+
+  if (!m_pExpression->ToJavaScript(javascript))
+    return false;
+  return !CFXA_IsTooBig(javascript);
+}
+
+bool CXFA_FMWhileExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+  javascript << RUNTIMEFUNCTIONRETURNVALUE;
+  javascript << L" = 0;\n";
+  javascript << L"while (";
+  if (!m_pCondition->ToJavaScript(javascript))
+    return false;
+  javascript << L")\n";
+  if (CFXA_IsTooBig(javascript))
+    return false;
+
+  if (!m_pExpression->ToImpliedReturnJS(javascript))
+    return false;
+  return !CFXA_IsTooBig(javascript);
+}
+
+CXFA_FMBreakExpression::CXFA_FMBreakExpression(uint32_t line)
+    : CXFA_FMExpression(line, XFA_FM_EXPTYPE_BREAK) {}
+
+CXFA_FMBreakExpression::~CXFA_FMBreakExpression() {}
+
+bool CXFA_FMBreakExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+  javascript << RUNTIMEFUNCTIONRETURNVALUE;
+  javascript << L" = 0;\n";
+  javascript << L"break;\n";
+  return true;
+}
+
+bool CXFA_FMBreakExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+  javascript << RUNTIMEFUNCTIONRETURNVALUE;
+  javascript << L" = 0;\n";
+  javascript << L"break;\n";
+  return true;
+}
+
+CXFA_FMContinueExpression::CXFA_FMContinueExpression(uint32_t line)
+    : CXFA_FMExpression(line, XFA_FM_EXPTYPE_CONTINUE) {}
+
+CXFA_FMContinueExpression::~CXFA_FMContinueExpression() {}
+
+bool CXFA_FMContinueExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+  javascript << RUNTIMEFUNCTIONRETURNVALUE;
+  javascript << L" = 0;\n";
+  javascript << L"continue;\n";
+  return true;
+}
+
+bool CXFA_FMContinueExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+  javascript << RUNTIMEFUNCTIONRETURNVALUE;
+  javascript << L" = 0;\n";
+  javascript << L"continue;\n";
+  return true;
+}
+
+CXFA_FMForExpression::CXFA_FMForExpression(
+    uint32_t line,
+    const CFX_WideStringC& wsVariant,
+    std::unique_ptr<CXFA_FMSimpleExpression> pAssignment,
+    std::unique_ptr<CXFA_FMSimpleExpression> pAccessor,
+    int32_t iDirection,
+    std::unique_ptr<CXFA_FMSimpleExpression> pStep,
+    std::unique_ptr<CXFA_FMExpression> pList)
+    : CXFA_FMLoopExpression(line),
+      m_wsVariant(wsVariant),
+      m_pAssignment(std::move(pAssignment)),
+      m_pAccessor(std::move(pAccessor)),
+      m_bDirection(iDirection == 1),
+      m_pStep(std::move(pStep)),
+      m_pList(std::move(pList)) {}
+
+CXFA_FMForExpression::~CXFA_FMForExpression() {}
+
+bool CXFA_FMForExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+  javascript << L"{\nvar ";
+  CFX_WideString tempVariant;
+  if (m_wsVariant.GetAt(0) == L'!') {
+    tempVariant = EXCLAMATION_IN_IDENTIFIER + m_wsVariant.Mid(1);
+    javascript << tempVariant;
+  } else {
+    tempVariant = m_wsVariant;
+    javascript << m_wsVariant;
+  }
+  javascript << L" = null;\n";
+  javascript << L"for (";
+  javascript << tempVariant;
+  javascript << L" = ";
+  javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
+  javascript << L"(";
+  if (!m_pAssignment->ToJavaScript(javascript))
+    return false;
+  javascript << L"); ";
+  javascript << tempVariant;
+  if (CFXA_IsTooBig(javascript))
+    return false;
+
+  javascript << (m_bDirection ? kLessEqual : kGreaterEqual);
+  javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
+  javascript << L"(";
+  if (!m_pAccessor->ToJavaScript(javascript))
+    return false;
+  javascript << L"); ";
+  javascript << tempVariant;
+  javascript << (m_bDirection ? kPlusEqual : kMinusEqual);
+  if (CFXA_IsTooBig(javascript))
+    return false;
+
+  if (m_pStep) {
+    javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
+    javascript << L"(";
+    if (!m_pStep->ToJavaScript(javascript))
+      return false;
+    javascript << L")";
+    if (CFXA_IsTooBig(javascript))
+      return false;
+  } else {
+    javascript << L"1";
+  }
+  javascript << L")\n";
+  if (!m_pList->ToJavaScript(javascript))
+    return false;
+  javascript << L"}\n";
+  return !CFXA_IsTooBig(javascript);
+}
+
+bool CXFA_FMForExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+  javascript << RUNTIMEFUNCTIONRETURNVALUE;
+  javascript << L" = 0;\n";
+  javascript << L"{\nvar ";
+  CFX_WideString tempVariant;
+  if (m_wsVariant.GetAt(0) == L'!') {
+    tempVariant = EXCLAMATION_IN_IDENTIFIER + m_wsVariant.Mid(1);
+    javascript << tempVariant;
+  } else {
+    tempVariant = m_wsVariant;
+    javascript << m_wsVariant;
+  }
+  javascript << L" = null;\n";
+  javascript << L"for (";
+  javascript << tempVariant;
+  javascript << L" = ";
+  javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
+  javascript << L"(";
+  if (!m_pAssignment->ToJavaScript(javascript))
+    return false;
+  javascript << L"); ";
+  javascript << tempVariant;
+  if (CFXA_IsTooBig(javascript))
+    return false;
+
+  javascript << (m_bDirection ? kLessEqual : kGreaterEqual);
+  javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
+  javascript << L"(";
+  if (!m_pAccessor->ToJavaScript(javascript))
+    return false;
+  javascript << L"); ";
+  javascript << tempVariant;
+  javascript << L" += ";
+  javascript << (m_bDirection ? kPlusEqual : kMinusEqual);
+  if (CFXA_IsTooBig(javascript))
+    return false;
+
+  if (m_pStep) {
+    javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
+    javascript << L"(";
+    if (!m_pStep->ToJavaScript(javascript))
+      return false;
+    javascript << L")";
+    if (CFXA_IsTooBig(javascript))
+      return false;
+  } else {
+    javascript << L"1";
+  }
+  javascript << L")\n";
+  if (!m_pList->ToImpliedReturnJS(javascript))
+    return false;
+  javascript << L"}\n";
+  return !CFXA_IsTooBig(javascript);
+}
+
+CXFA_FMForeachExpression::CXFA_FMForeachExpression(
+    uint32_t line,
+    const CFX_WideStringC& wsIdentifier,
+    std::vector<std::unique_ptr<CXFA_FMSimpleExpression>>&& pAccessors,
+    std::unique_ptr<CXFA_FMExpression> pList)
+    : CXFA_FMLoopExpression(line),
+      m_wsIdentifier(wsIdentifier),
+      m_pAccessors(std::move(pAccessors)),
+      m_pList(std::move(pList)) {}
+
+CXFA_FMForeachExpression::~CXFA_FMForeachExpression() {}
+
+bool CXFA_FMForeachExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+  javascript << L"{\n";
+  javascript << L"var ";
+  if (m_wsIdentifier.GetAt(0) == L'!') {
+    CFX_WideString tempIdentifier =
+        EXCLAMATION_IN_IDENTIFIER + m_wsIdentifier.Mid(1);
+    javascript << tempIdentifier;
+  } else {
+    javascript << m_wsIdentifier;
+  }
+  javascript << L" = null;\n";
+  javascript << L"var ";
+  javascript << RUNTIMEBLOCKTEMPARRAY;
+  javascript << L" = ";
+  javascript << XFA_FM_EXPTypeToString(CONCATFMOBJECT);
+  javascript << L"(";
+
+  for (const auto& expr : m_pAccessors) {
+    if (!expr->ToJavaScript(javascript))
+      return false;
+    if (expr != m_pAccessors.back())
+      javascript << L", ";
+    if (CFXA_IsTooBig(javascript))
+      return false;
+  }
+  javascript << L");\n";
+  javascript << L"var ";
+  javascript << RUNTIMEBLOCKTEMPARRAYINDEX;
+  javascript << (L" = 0;\n");
+  javascript << L"while(";
+  javascript << RUNTIMEBLOCKTEMPARRAYINDEX;
+  javascript << L" < ";
+  javascript << RUNTIMEBLOCKTEMPARRAY;
+  javascript << L".length)\n{\n";
+  if (m_wsIdentifier.GetAt(0) == L'!') {
+    CFX_WideString tempIdentifier =
+        EXCLAMATION_IN_IDENTIFIER + m_wsIdentifier.Mid(1);
+    javascript << tempIdentifier;
+  } else {
+    javascript << m_wsIdentifier;
+  }
+  javascript << L" = ";
+  javascript << RUNTIMEBLOCKTEMPARRAY;
+  javascript << L"[";
+  javascript << RUNTIMEBLOCKTEMPARRAYINDEX;
+  javascript << L"++];\n";
+  if (!m_pList->ToJavaScript(javascript))
+    return false;
+  javascript << L"}\n";
+  javascript << L"}\n";
+  return !CFXA_IsTooBig(javascript);
+}
+
+bool CXFA_FMForeachExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+  javascript << RUNTIMEFUNCTIONRETURNVALUE;
+  javascript << L" = 0;\n";
+  javascript << L"{\n";
+  javascript << L"var ";
+  if (m_wsIdentifier.GetAt(0) == L'!') {
+    CFX_WideString tempIdentifier =
+        EXCLAMATION_IN_IDENTIFIER + m_wsIdentifier.Mid(1);
+    javascript << tempIdentifier;
+  } else {
+    javascript << m_wsIdentifier;
+  }
+  javascript << L" = null;\n";
+  javascript << L"var ";
+  javascript << RUNTIMEBLOCKTEMPARRAY;
+  javascript << L" = ";
+  javascript << XFA_FM_EXPTypeToString(CONCATFMOBJECT);
+  javascript << L"(";
+  for (const auto& expr : m_pAccessors) {
+    if (!expr->ToJavaScript(javascript))
+      return false;
+    if (expr != m_pAccessors.back())
+      javascript << L", ";
+    if (CFXA_IsTooBig(javascript))
+      return false;
+  }
+  javascript << L");\n";
+  javascript << L"var ";
+  javascript << RUNTIMEBLOCKTEMPARRAYINDEX;
+  javascript << L" = 0;\n";
+  javascript << L"while(";
+  javascript << RUNTIMEBLOCKTEMPARRAYINDEX;
+  javascript << L" < ";
+  javascript << RUNTIMEBLOCKTEMPARRAY;
+  javascript << L".length)\n{\n";
+  if (m_wsIdentifier.GetAt(0) == L'!') {
+    CFX_WideString tempIdentifier =
+        EXCLAMATION_IN_IDENTIFIER + m_wsIdentifier.Mid(1);
+    javascript << tempIdentifier;
+  } else {
+    javascript << m_wsIdentifier;
+  }
+  javascript << L" = ";
+  javascript << RUNTIMEBLOCKTEMPARRAY;
+  javascript << L"[";
+  javascript << RUNTIMEBLOCKTEMPARRAYINDEX;
+  javascript << L"++];\n";
+  if (!m_pList->ToImpliedReturnJS(javascript))
+    return false;
+  javascript << L"}\n";
+  javascript << L"}\n";
+  return !CFXA_IsTooBig(javascript);
+}