Limit XFA FormCalc program translation size.
BUG=chromium:665087,chromium:718492
Change-Id: I09e93b4167ab2c0b3b53641243aa0cbeb5b98c4f
Reviewed-on: https://pdfium-review.googlesource.com/3114
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>
diff --git a/xfa/fxfa/fm2js/xfa_expression.cpp b/xfa/fxfa/fm2js/xfa_expression.cpp
index c1e451e..324038f 100644
--- a/xfa/fxfa/fm2js/xfa_expression.cpp
+++ b/xfa/fxfa/fm2js/xfa_expression.cpp
@@ -18,6 +18,11 @@
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)
@@ -26,9 +31,13 @@
CXFA_FMExpression::CXFA_FMExpression(uint32_t line, XFA_FM_EXPTYPE type)
: m_type(type), m_line(line) {}
-void CXFA_FMExpression::ToJavaScript(CFX_WideTextBuf& javascript) {}
+bool CXFA_FMExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+ return true;
+}
-void CXFA_FMExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {}
+bool CXFA_FMExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+ return true;
+}
CXFA_FMFunctionDefinition::CXFA_FMFunctionDefinition(
uint32_t line,
@@ -44,10 +53,10 @@
CXFA_FMFunctionDefinition::~CXFA_FMFunctionDefinition() {}
-void CXFA_FMFunctionDefinition::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMFunctionDefinition::ToJavaScript(CFX_WideTextBuf& javascript) {
if (m_isGlobal && m_pExpressions.empty()) {
javascript << L"// comments only";
- return;
+ return true;
}
if (m_isGlobal) {
javascript << L"(\n";
@@ -78,10 +87,13 @@
javascript << RUNTIMEFUNCTIONRETURNVALUE;
javascript << L" = null;\n";
for (const auto& expr : m_pExpressions) {
+ bool ret;
if (expr == m_pExpressions.back())
- expr->ToImpliedReturnJS(javascript);
+ ret = expr->ToImpliedReturnJS(javascript);
else
- expr->ToJavaScript(javascript);
+ ret = expr->ToJavaScript(javascript);
+ if (!ret || CFXA_IsTooBig(javascript))
+ return false;
}
javascript << L"return ";
if (m_isGlobal) {
@@ -96,9 +108,12 @@
if (m_isGlobal) {
javascript << L").call(this);\n";
}
+ return true;
}
-void CXFA_FMFunctionDefinition::ToImpliedReturnJS(CFX_WideTextBuf&) {}
+bool CXFA_FMFunctionDefinition::ToImpliedReturnJS(CFX_WideTextBuf&) {
+ return true;
+}
CXFA_FMVarExpression::CXFA_FMVarExpression(
uint32_t line,
@@ -110,7 +125,7 @@
CXFA_FMVarExpression::~CXFA_FMVarExpression() {}
-void CXFA_FMVarExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMVarExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << L"var ";
CFX_WideString tempName(m_wsName);
if (m_wsName.GetAt(0) == L'!') {
@@ -119,7 +134,8 @@
javascript << tempName;
javascript << L" = ";
if (m_pInit) {
- m_pInit->ToJavaScript(javascript);
+ if (!m_pInit->ToJavaScript(javascript))
+ return false;
javascript << tempName;
javascript << L" = ";
javascript << XFA_FM_EXPTypeToString(VARFILTER);
@@ -129,9 +145,10 @@
} else {
javascript << L"\"\";\n";
}
+ return true;
}
-void CXFA_FMVarExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+bool CXFA_FMVarExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
javascript << L"var ";
CFX_WideString tempName(m_wsName);
if (m_wsName.GetAt(0) == L'!') {
@@ -140,7 +157,8 @@
javascript << tempName;
javascript << L" = ";
if (m_pInit) {
- m_pInit->ToJavaScript(javascript);
+ if (!m_pInit->ToJavaScript(javascript))
+ return false;
javascript << tempName;
javascript << L" = ";
javascript << XFA_FM_EXPTypeToString(VARFILTER);
@@ -154,6 +172,7 @@
javascript << L" = ";
javascript << tempName;
javascript << L";\n";
+ return true;
}
CXFA_FMExpExpression::CXFA_FMExpExpression(
@@ -164,37 +183,38 @@
CXFA_FMExpExpression::~CXFA_FMExpExpression() {}
-void CXFA_FMExpExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
- if (m_pExpression->GetOperatorToken() == TOKassign) {
- m_pExpression->ToJavaScript(javascript);
- } else {
- m_pExpression->ToJavaScript(javascript);
+bool CXFA_FMExpExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+ bool ret = m_pExpression->ToJavaScript(javascript);
+ if (m_pExpression->GetOperatorToken() != TOKassign)
javascript << L";\n";
- }
+ return ret;
}
-void CXFA_FMExpExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
- if (m_pExpression->GetOperatorToken() == TOKassign) {
- m_pExpression->ToImpliedReturnJS(javascript);
- } else {
- 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"(";
- m_pExpression->ToJavaScript(javascript);
- javascript << L");\n";
- } else {
- javascript << RUNTIMEFUNCTIONRETURNVALUE;
- javascript << L" = ";
- m_pExpression->ToJavaScript(javascript);
- javascript << L";\n";
- }
+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(
@@ -205,22 +225,29 @@
CXFA_FMBlockExpression::~CXFA_FMBlockExpression() {}
-void CXFA_FMBlockExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
- javascript << L"{\n";
- for (const auto& expr : m_ExpressionList)
- expr->ToJavaScript(javascript);
- javascript << L"}\n";
-}
-
-void CXFA_FMBlockExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+bool CXFA_FMBlockExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << L"{\n";
for (const auto& expr : m_ExpressionList) {
- if (expr == m_ExpressionList.back())
- expr->ToImpliedReturnJS(javascript);
- else
- expr->ToJavaScript(javascript);
+ 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(
@@ -230,12 +257,12 @@
CXFA_FMDoExpression::~CXFA_FMDoExpression() {}
-void CXFA_FMDoExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
- m_pList->ToJavaScript(javascript);
+bool CXFA_FMDoExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+ return m_pList->ToJavaScript(javascript);
}
-void CXFA_FMDoExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
- m_pList->ToImpliedReturnJS(javascript);
+bool CXFA_FMDoExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+ return m_pList->ToImpliedReturnJS(javascript);
}
CXFA_FMIfExpression::CXFA_FMIfExpression(
@@ -250,63 +277,88 @@
CXFA_FMIfExpression::~CXFA_FMIfExpression() {}
-void CXFA_FMIfExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMIfExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << L"if (";
if (m_pExpression) {
javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
javascript << L"(";
- m_pExpression->ToJavaScript(javascript);
+ if (!m_pExpression->ToJavaScript(javascript))
+ return false;
javascript << L")";
}
javascript << L")\n";
+ if (CFXA_IsTooBig(javascript))
+ return false;
+
if (m_pIfExpression) {
- m_pIfExpression->ToJavaScript(javascript);
+ 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";
- m_pElseExpression->ToJavaScript(javascript);
+ if (!m_pElseExpression->ToJavaScript(javascript))
+ return false;
javascript << L"}\n";
} else {
javascript << L"else\n";
- m_pElseExpression->ToJavaScript(javascript);
+ if (!m_pElseExpression->ToJavaScript(javascript))
+ return false;
}
}
+ return !CFXA_IsTooBig(javascript);
}
-void CXFA_FMIfExpression::ToImpliedReturnJS(CFX_WideTextBuf& 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"(";
- m_pExpression->ToJavaScript(javascript);
+ if (!m_pExpression->ToJavaScript(javascript))
+ return false;
javascript << L")";
}
javascript << L")\n";
+ if (CFXA_IsTooBig(javascript))
+ return false;
+
if (m_pIfExpression) {
- m_pIfExpression->ToImpliedReturnJS(javascript);
+ 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";
- m_pElseExpression->ToImpliedReturnJS(javascript);
+ if (!m_pElseExpression->ToImpliedReturnJS(javascript))
+ return false;
javascript << L"}\n";
} else {
javascript << L"else\n";
- m_pElseExpression->ToImpliedReturnJS(javascript);
+ if (!m_pElseExpression->ToImpliedReturnJS(javascript))
+ return false;
}
}
+ return !CFXA_IsTooBig(javascript);
}
CXFA_FMLoopExpression::~CXFA_FMLoopExpression() {}
-void CXFA_FMLoopExpression::ToJavaScript(CFX_WideTextBuf& javascript) {}
+bool CXFA_FMLoopExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+ return true;
+}
-void CXFA_FMLoopExpression::ToImpliedReturnJS(CFX_WideTextBuf&) {}
+bool CXFA_FMLoopExpression::ToImpliedReturnJS(CFX_WideTextBuf&) {
+ return true;
+}
CXFA_FMWhileExpression::CXFA_FMWhileExpression(
uint32_t line,
@@ -318,20 +370,32 @@
CXFA_FMWhileExpression::~CXFA_FMWhileExpression() {}
-void CXFA_FMWhileExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMWhileExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << L"while (";
- m_pCondition->ToJavaScript(javascript);
+ if (!m_pCondition->ToJavaScript(javascript))
+ return false;
javascript << L")\n";
- m_pExpression->ToJavaScript(javascript);
+ if (CFXA_IsTooBig(javascript))
+ return false;
+
+ if (!m_pExpression->ToJavaScript(javascript))
+ return false;
+ return !CFXA_IsTooBig(javascript);
}
-void CXFA_FMWhileExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+bool CXFA_FMWhileExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
javascript << RUNTIMEFUNCTIONRETURNVALUE;
javascript << L" = 0;\n";
javascript << L"while (";
- m_pCondition->ToJavaScript(javascript);
+ if (!m_pCondition->ToJavaScript(javascript))
+ return false;
javascript << L")\n";
- m_pExpression->ToImpliedReturnJS(javascript);
+ if (CFXA_IsTooBig(javascript))
+ return false;
+
+ if (!m_pExpression->ToImpliedReturnJS(javascript))
+ return false;
+ return !CFXA_IsTooBig(javascript);
}
CXFA_FMBreakExpression::CXFA_FMBreakExpression(uint32_t line)
@@ -339,16 +403,18 @@
CXFA_FMBreakExpression::~CXFA_FMBreakExpression() {}
-void CXFA_FMBreakExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMBreakExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << RUNTIMEFUNCTIONRETURNVALUE;
javascript << L" = 0;\n";
javascript << L"break;\n";
+ return true;
}
-void CXFA_FMBreakExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+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)
@@ -356,16 +422,18 @@
CXFA_FMContinueExpression::~CXFA_FMContinueExpression() {}
-void CXFA_FMContinueExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMContinueExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << RUNTIMEFUNCTIONRETURNVALUE;
javascript << L" = 0;\n";
javascript << L"continue;\n";
+ return true;
}
-void CXFA_FMContinueExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+bool CXFA_FMContinueExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
javascript << RUNTIMEFUNCTIONRETURNVALUE;
javascript << L" = 0;\n";
javascript << L"continue;\n";
+ return true;
}
CXFA_FMForExpression::CXFA_FMForExpression(
@@ -380,13 +448,13 @@
m_wsVariant(wsVariant),
m_pAssignment(std::move(pAssignment)),
m_pAccessor(std::move(pAccessor)),
- m_iDirection(iDirection),
+ m_bDirection(iDirection == 1),
m_pStep(std::move(pStep)),
m_pList(std::move(pList)) {}
CXFA_FMForExpression::~CXFA_FMForExpression() {}
-void CXFA_FMForExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMForExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << L"{\nvar ";
CFX_WideString tempVariant;
if (m_wsVariant.GetAt(0) == L'!') {
@@ -402,40 +470,43 @@
javascript << L" = ";
javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
javascript << L"(";
- m_pAssignment->ToJavaScript(javascript);
+ if (!m_pAssignment->ToJavaScript(javascript))
+ return false;
javascript << L"); ";
javascript << tempVariant;
- if (m_iDirection == 1) {
- javascript << L" <= ";
- javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
- javascript << L"(";
- m_pAccessor->ToJavaScript(javascript);
- javascript << L"); ";
- javascript << tempVariant;
- javascript << L" += ";
- } else {
- javascript << L" >= ";
- javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
- javascript << L"(";
- m_pAccessor->ToJavaScript(javascript);
- javascript << L"); ";
- javascript << tempVariant;
- javascript << L" -= ";
- }
+ 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"(";
- m_pStep->ToJavaScript(javascript);
+ if (!m_pStep->ToJavaScript(javascript))
+ return false;
javascript << L")";
+ if (CFXA_IsTooBig(javascript))
+ return false;
} else {
javascript << L"1";
}
javascript << L")\n";
- m_pList->ToJavaScript(javascript);
+ if (!m_pList->ToJavaScript(javascript))
+ return false;
javascript << L"}\n";
+ return !CFXA_IsTooBig(javascript);
}
-void CXFA_FMForExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+bool CXFA_FMForExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
javascript << RUNTIMEFUNCTIONRETURNVALUE;
javascript << L" = 0;\n";
javascript << L"{\nvar ";
@@ -453,37 +524,41 @@
javascript << L" = ";
javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
javascript << L"(";
- m_pAssignment->ToJavaScript(javascript);
+ if (!m_pAssignment->ToJavaScript(javascript))
+ return false;
javascript << L"); ";
javascript << tempVariant;
- if (m_iDirection == 1) {
- javascript << L" <= ";
- javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
- javascript << L"(";
- m_pAccessor->ToJavaScript(javascript);
- javascript << L"); ";
- javascript << tempVariant;
- javascript << L" += ";
- } else {
- javascript << L" >= ";
- javascript << XFA_FM_EXPTypeToString(GETFMVALUE);
- javascript << L"(";
- m_pAccessor->ToJavaScript(javascript);
- javascript << L"); ";
- javascript << tempVariant;
- javascript << L" -= ";
- }
+ 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"(";
- m_pStep->ToJavaScript(javascript);
+ if (!m_pStep->ToJavaScript(javascript))
+ return false;
javascript << L")";
+ if (CFXA_IsTooBig(javascript))
+ return false;
} else {
javascript << L"1";
}
javascript << L")\n";
- m_pList->ToImpliedReturnJS(javascript);
+ if (!m_pList->ToImpliedReturnJS(javascript))
+ return false;
javascript << L"}\n";
+ return !CFXA_IsTooBig(javascript);
}
CXFA_FMForeachExpression::CXFA_FMForeachExpression(
@@ -498,7 +573,7 @@
CXFA_FMForeachExpression::~CXFA_FMForeachExpression() {}
-void CXFA_FMForeachExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMForeachExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << L"{\n";
javascript << L"var ";
if (m_wsIdentifier.GetAt(0) == L'!') {
@@ -516,9 +591,12 @@
javascript << L"(";
for (const auto& expr : m_pAccessors) {
- expr->ToJavaScript(javascript);
+ 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 ";
@@ -541,12 +619,14 @@
javascript << L"[";
javascript << RUNTIMEBLOCKTEMPARRAYINDEX;
javascript << L"++];\n";
- m_pList->ToJavaScript(javascript);
+ if (!m_pList->ToJavaScript(javascript))
+ return false;
javascript << L"}\n";
javascript << L"}\n";
+ return !CFXA_IsTooBig(javascript);
}
-void CXFA_FMForeachExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+bool CXFA_FMForeachExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
javascript << RUNTIMEFUNCTIONRETURNVALUE;
javascript << L" = 0;\n";
javascript << L"{\n";
@@ -565,9 +645,12 @@
javascript << XFA_FM_EXPTypeToString(CONCATFMOBJECT);
javascript << L"(";
for (const auto& expr : m_pAccessors) {
- expr->ToJavaScript(javascript);
+ 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 ";
@@ -590,7 +673,9 @@
javascript << L"[";
javascript << RUNTIMEBLOCKTEMPARRAYINDEX;
javascript << L"++];\n";
- m_pList->ToImpliedReturnJS(javascript);
+ if (!m_pList->ToImpliedReturnJS(javascript))
+ return false;
javascript << L"}\n";
javascript << L"}\n";
+ return !CFXA_IsTooBig(javascript);
}
diff --git a/xfa/fxfa/fm2js/xfa_expression.h b/xfa/fxfa/fm2js/xfa_expression.h
index 9177c30..e6022b3 100644
--- a/xfa/fxfa/fm2js/xfa_expression.h
+++ b/xfa/fxfa/fm2js/xfa_expression.h
@@ -28,8 +28,8 @@
explicit CXFA_FMExpression(uint32_t line);
CXFA_FMExpression(uint32_t line, XFA_FM_EXPTYPE type);
virtual ~CXFA_FMExpression() {}
- virtual void ToJavaScript(CFX_WideTextBuf& javascript);
- virtual void ToImpliedReturnJS(CFX_WideTextBuf&);
+ virtual bool ToJavaScript(CFX_WideTextBuf& javascript);
+ virtual bool ToImpliedReturnJS(CFX_WideTextBuf&);
uint32_t GetLine() { return m_line; }
XFA_FM_EXPTYPE GetExpType() const { return m_type; }
@@ -49,8 +49,8 @@
std::vector<std::unique_ptr<CXFA_FMExpression>>&& expressions);
~CXFA_FMFunctionDefinition() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
- void ToImpliedReturnJS(CFX_WideTextBuf&) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
CFX_WideStringC m_wsName;
@@ -66,8 +66,8 @@
std::unique_ptr<CXFA_FMExpression> pInit);
~CXFA_FMVarExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
- void ToImpliedReturnJS(CFX_WideTextBuf&) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
CFX_WideStringC m_wsName;
@@ -80,8 +80,8 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExpression);
~CXFA_FMExpExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
- void ToImpliedReturnJS(CFX_WideTextBuf&) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
std::unique_ptr<CXFA_FMSimpleExpression> m_pExpression;
@@ -94,8 +94,8 @@
std::vector<std::unique_ptr<CXFA_FMExpression>>&& pExpressionList);
~CXFA_FMBlockExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
- void ToImpliedReturnJS(CFX_WideTextBuf&) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
std::vector<std::unique_ptr<CXFA_FMExpression>> m_ExpressionList;
@@ -106,8 +106,8 @@
CXFA_FMDoExpression(uint32_t line, std::unique_ptr<CXFA_FMExpression> pList);
~CXFA_FMDoExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
- void ToImpliedReturnJS(CFX_WideTextBuf&) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
std::unique_ptr<CXFA_FMExpression> m_pList;
@@ -121,8 +121,8 @@
std::unique_ptr<CXFA_FMExpression> pElseExpression);
~CXFA_FMIfExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
- void ToImpliedReturnJS(CFX_WideTextBuf&) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
std::unique_ptr<CXFA_FMSimpleExpression> m_pExpression;
@@ -134,8 +134,8 @@
public:
explicit CXFA_FMLoopExpression(uint32_t line) : CXFA_FMExpression(line) {}
~CXFA_FMLoopExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
- void ToImpliedReturnJS(CFX_WideTextBuf&) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToImpliedReturnJS(CFX_WideTextBuf&) override;
};
class CXFA_FMWhileExpression : public CXFA_FMLoopExpression {
@@ -145,8 +145,8 @@
std::unique_ptr<CXFA_FMExpression> pExpression);
~CXFA_FMWhileExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
- void ToImpliedReturnJS(CFX_WideTextBuf&) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
std::unique_ptr<CXFA_FMSimpleExpression> m_pCondition;
@@ -157,16 +157,16 @@
public:
explicit CXFA_FMBreakExpression(uint32_t line);
~CXFA_FMBreakExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
- void ToImpliedReturnJS(CFX_WideTextBuf&) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToImpliedReturnJS(CFX_WideTextBuf&) override;
};
class CXFA_FMContinueExpression : public CXFA_FMExpression {
public:
explicit CXFA_FMContinueExpression(uint32_t line);
~CXFA_FMContinueExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
- void ToImpliedReturnJS(CFX_WideTextBuf&) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToImpliedReturnJS(CFX_WideTextBuf&) override;
};
class CXFA_FMForExpression : public CXFA_FMLoopExpression {
@@ -180,14 +180,14 @@
std::unique_ptr<CXFA_FMExpression> pList);
~CXFA_FMForExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
- void ToImpliedReturnJS(CFX_WideTextBuf&) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
CFX_WideStringC m_wsVariant;
std::unique_ptr<CXFA_FMSimpleExpression> m_pAssignment;
std::unique_ptr<CXFA_FMSimpleExpression> m_pAccessor;
- int32_t m_iDirection;
+ const bool m_bDirection;
std::unique_ptr<CXFA_FMSimpleExpression> m_pStep;
std::unique_ptr<CXFA_FMExpression> m_pList;
};
@@ -202,8 +202,8 @@
std::unique_ptr<CXFA_FMExpression> pList);
~CXFA_FMForeachExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
- void ToImpliedReturnJS(CFX_WideTextBuf&) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToImpliedReturnJS(CFX_WideTextBuf&) override;
private:
CFX_WideStringC m_wsIdentifier;
diff --git a/xfa/fxfa/fm2js/xfa_fm2jscontext.cpp b/xfa/fxfa/fm2js/xfa_fm2jscontext.cpp
index 8879b94..716e378 100644
--- a/xfa/fxfa/fm2js/xfa_fm2jscontext.cpp
+++ b/xfa/fxfa/fm2js/xfa_fm2jscontext.cpp
@@ -6123,8 +6123,7 @@
if (status)
return status;
- program.TranslateProgram(*wsJavascript);
- return 0;
+ return program.TranslateProgram(*wsJavascript);
}
CXFA_FM2JSContext::CXFA_FM2JSContext(v8::Isolate* pScriptIsolate,
diff --git a/xfa/fxfa/fm2js/xfa_fmparse.cpp b/xfa/fxfa/fm2js/xfa_fmparse.cpp
index 298a2eb..a7ba901 100644
--- a/xfa/fxfa/fm2js/xfa_fmparse.cpp
+++ b/xfa/fxfa/fm2js/xfa_fmparse.cpp
@@ -29,9 +29,9 @@
void CXFA_FMParse::NextToken() {
m_pToken = m_lexer->NextToken();
while (m_pToken->m_type == TOKreserver) {
- if (m_lexer->HasError()) {
+ if (m_lexer->HasError())
break;
- }
+
m_pToken = m_lexer->NextToken();
}
}
@@ -64,21 +64,10 @@
return expressions;
}
- if (m_pToken->m_type == TOKfunc) {
- expr = ParseFunction();
- if (expr) {
- expressions.push_back(std::move(expr));
- } else {
- break;
- }
- } else {
- expr = ParseExpression();
- if (expr) {
- expressions.push_back(std::move(expr));
- } else {
- break;
- }
- }
+ expr = m_pToken->m_type == TOKfunc ? ParseFunction() : ParseExpression();
+ if (!expr)
+ break;
+ expressions.push_back(std::move(expr));
}
return expressions;
}
@@ -108,20 +97,18 @@
if (m_pToken->m_type == TOKcomma) {
NextToken();
continue;
- } else if (m_pToken->m_type == TOKrparen) {
- NextToken();
- break;
- } else {
- Check(TOKrparen);
- break;
}
+ if (m_pToken->m_type == TOKrparen)
+ NextToken();
+ else
+ Check(TOKrparen);
} else {
CFX_WideString ws_TempString(m_pToken->m_wstring);
Error(m_pToken->m_uLinenum, kFMErrExpectedIdentifier,
ws_TempString.c_str());
NextToken();
- break;
}
+ break;
}
}
Check(TOKdo);
@@ -131,7 +118,7 @@
expressions = ParseTopExpression();
Check(TOKendfunc);
}
- if (!m_pErrorInfo->message.IsEmpty())
+ if (HasError())
return nullptr;
return pdfium::MakeUnique<CXFA_FMFunctionDefinition>(
@@ -205,7 +192,7 @@
NextToken();
expr = ParseExpExpression();
}
- if (!m_pErrorInfo->message.IsEmpty())
+ if (HasError())
return nullptr;
return pdfium::MakeUnique<CXFA_FMVarExpression>(line, ident, std::move(expr));
@@ -233,7 +220,7 @@
std::unique_ptr<CXFA_FMExpression> CXFA_FMParse::ParseExpExpression() {
uint32_t line = m_pToken->m_uLinenum;
std::unique_ptr<CXFA_FMSimpleExpression> pExp1 = ParseSimpleExpression();
- if (!m_pErrorInfo->message.IsEmpty())
+ if (HasError())
return nullptr;
return pdfium::MakeUnique<CXFA_FMExpExpression>(line, std::move(pExp1));
@@ -522,7 +509,8 @@
expr =
pdfium::MakeUnique<CXFA_FMIdentifierExpression>(line, wsIdentifier);
}
- } break;
+ break;
+ }
case TOKif:
expr = pdfium::MakeUnique<CXFA_FMIdentifierExpression>(
line, m_pToken->m_wstring);
@@ -543,7 +531,7 @@
break;
}
expr = ParsePostExpression(std::move(expr));
- if (!m_pErrorInfo->message.IsEmpty())
+ if (HasError())
expr.reset();
return expr;
}
@@ -591,7 +579,8 @@
} else {
expr.reset();
}
- } break;
+ break;
+ }
case TOKdot:
NextToken();
if (m_pToken->m_type == TOKidentifier) {
@@ -645,7 +634,7 @@
}
} else if (m_pToken->m_type == TOKlbracket) {
std::unique_ptr<CXFA_FMSimpleExpression> s = ParseIndexExpression();
- if (!(m_pErrorInfo->message.IsEmpty()))
+ if (HasError())
return nullptr;
expr = pdfium::MakeUnique<CXFA_FMDotAccessorExpression>(
@@ -673,9 +662,9 @@
NextToken();
if (m_pToken->m_type == TOKlbracket) {
std::unique_ptr<CXFA_FMSimpleExpression> s = ParseIndexExpression();
- if (!(m_pErrorInfo->message.IsEmpty())) {
+ if (HasError())
return nullptr;
- }
+
expr = pdfium::MakeUnique<CXFA_FMDotDotAccessorExpression>(
tempLine, std::move(expr), TOKdotdot, tempStr, std::move(s));
} else {
@@ -693,41 +682,41 @@
return expr;
}
break;
- case TOKdotscream:
+ case TOKdotscream: {
NextToken();
- if (m_pToken->m_type == TOKidentifier) {
- CFX_WideStringC tempStr = m_pToken->m_wstring;
- uint32_t tempLine = m_pToken->m_uLinenum;
- NextToken();
- if (m_pToken->m_type == TOKlbracket) {
- std::unique_ptr<CXFA_FMSimpleExpression> s = ParseIndexExpression();
- if (!(m_pErrorInfo->message.IsEmpty()))
- return nullptr;
-
- expr = pdfium::MakeUnique<CXFA_FMDotAccessorExpression>(
- tempLine, std::move(expr), TOKdotscream, tempStr, std::move(s));
- } else {
- std::unique_ptr<CXFA_FMSimpleExpression> s =
- pdfium::MakeUnique<CXFA_FMIndexExpression>(
- tempLine, ACCESSOR_NO_INDEX, nullptr, false);
- expr = pdfium::MakeUnique<CXFA_FMDotAccessorExpression>(
- line, std::move(expr), TOKdotscream, tempStr, std::move(s));
- continue;
- }
- } else {
+ if (m_pToken->m_type != TOKidentifier) {
CFX_WideString ws_TempString(m_pToken->m_wstring);
Error(m_pToken->m_uLinenum, kFMErrExpectedIdentifier,
ws_TempString.c_str());
return expr;
}
+ CFX_WideStringC tempStr = m_pToken->m_wstring;
+ uint32_t tempLine = m_pToken->m_uLinenum;
+ NextToken();
+ if (m_pToken->m_type != TOKlbracket) {
+ std::unique_ptr<CXFA_FMSimpleExpression> s =
+ pdfium::MakeUnique<CXFA_FMIndexExpression>(
+ tempLine, ACCESSOR_NO_INDEX, nullptr, false);
+ expr = pdfium::MakeUnique<CXFA_FMDotAccessorExpression>(
+ line, std::move(expr), TOKdotscream, tempStr, std::move(s));
+ continue;
+ }
+ std::unique_ptr<CXFA_FMSimpleExpression> s = ParseIndexExpression();
+ if (HasError())
+ return nullptr;
+
+ expr = pdfium::MakeUnique<CXFA_FMDotAccessorExpression>(
+ tempLine, std::move(expr), TOKdotscream, tempStr, std::move(s));
break;
+ }
case TOKdotstar: {
std::unique_ptr<CXFA_FMSimpleExpression> s =
pdfium::MakeUnique<CXFA_FMIndexExpression>(line, ACCESSOR_NO_INDEX,
nullptr, false);
expr = pdfium::MakeUnique<CXFA_FMDotAccessorExpression>(
line, std::move(expr), TOKdotstar, L"*", std::move(s));
- } break;
+ break;
+ }
default:
return expr;
}
@@ -1028,8 +1017,12 @@
NextToken();
std::unique_ptr<CXFA_FMExpression> expr = ParseBlockExpression();
Check(TOKend);
- if (!m_pErrorInfo->message.IsEmpty())
+ if (HasError())
return nullptr;
return pdfium::MakeUnique<CXFA_FMDoExpression>(line, std::move(expr));
}
+
+bool CXFA_FMParse::HasError() const {
+ return !m_pErrorInfo->message.IsEmpty();
+}
diff --git a/xfa/fxfa/fm2js/xfa_fmparse.h b/xfa/fxfa/fm2js/xfa_fmparse.h
index ccb793a..23b01b8 100644
--- a/xfa/fxfa/fm2js/xfa_fmparse.h
+++ b/xfa/fxfa/fm2js/xfa_fmparse.h
@@ -48,6 +48,8 @@
std::unique_ptr<CXFA_FMSimpleExpression> ParseIndexExpression();
private:
+ bool HasError() const;
+
std::unique_ptr<CXFA_FMLexer> m_lexer;
CXFA_FMToken* m_pToken;
CXFA_FMErrorInfo* const m_pErrorInfo;
diff --git a/xfa/fxfa/fm2js/xfa_program.cpp b/xfa/fxfa/fm2js/xfa_program.cpp
index 514b7a6..6afe332 100644
--- a/xfa/fxfa/fm2js/xfa_program.cpp
+++ b/xfa/fxfa/fm2js/xfa_program.cpp
@@ -33,7 +33,8 @@
}
int32_t CXFA_FMProgram::TranslateProgram(CFX_WideTextBuf& wsJavaScript) {
- m_globalFunction->ToJavaScript(wsJavaScript);
+ if (!m_globalFunction->ToJavaScript(wsJavaScript))
+ return -1;
wsJavaScript.AppendChar(0);
return 0;
}
diff --git a/xfa/fxfa/fm2js/xfa_simpleexpression.cpp b/xfa/fxfa/fm2js/xfa_simpleexpression.cpp
index fabdaa6..1438ff2 100644
--- a/xfa/fxfa/fm2js/xfa_simpleexpression.cpp
+++ b/xfa/fxfa/fm2js/xfa_simpleexpression.cpp
@@ -120,9 +120,13 @@
CXFA_FMSimpleExpression::CXFA_FMSimpleExpression(uint32_t line, XFA_FM_TOKEN op)
: m_line(line), m_op(op) {}
-void CXFA_FMSimpleExpression::ToJavaScript(CFX_WideTextBuf& javascript) {}
+bool CXFA_FMSimpleExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+ return true;
+}
-void CXFA_FMSimpleExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {}
+bool CXFA_FMSimpleExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+ return true;
+}
XFA_FM_TOKEN CXFA_FMSimpleExpression::GetOperatorToken() const {
return m_op;
@@ -131,8 +135,9 @@
CXFA_FMNullExpression::CXFA_FMNullExpression(uint32_t line)
: CXFA_FMSimpleExpression(line, TOKnull) {}
-void CXFA_FMNullExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMNullExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << L"null";
+ return true;
}
CXFA_FMNumberExpression::CXFA_FMNumberExpression(uint32_t line,
@@ -141,8 +146,9 @@
CXFA_FMNumberExpression::~CXFA_FMNumberExpression() {}
-void CXFA_FMNumberExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMNumberExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << m_wsNumber;
+ return true;
}
CXFA_FMStringExpression::CXFA_FMStringExpression(uint32_t line,
@@ -151,11 +157,11 @@
CXFA_FMStringExpression::~CXFA_FMStringExpression() {}
-void CXFA_FMStringExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMStringExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
CFX_WideString tempStr(m_wsString);
if (tempStr.GetLength() <= 2) {
javascript << tempStr;
- return;
+ return true;
}
javascript.AppendChar(L'\"');
for (int32_t i = 1; i < tempStr.GetLength() - 1; i++) {
@@ -176,6 +182,7 @@
}
}
javascript.AppendChar(L'\"');
+ return true;
}
CXFA_FMIdentifierExpression::CXFA_FMIdentifierExpression(
@@ -186,7 +193,7 @@
CXFA_FMIdentifierExpression::~CXFA_FMIdentifierExpression() {}
-void CXFA_FMIdentifierExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMIdentifierExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
CFX_WideString tempStr(m_wsIdentifier);
if (tempStr == L"$") {
tempStr = L"this";
@@ -208,6 +215,7 @@
tempStr = EXCLAMATION_IN_IDENTIFIER + tempStr.Mid(1);
}
javascript << tempStr;
+ return true;
}
CXFA_FMUnaryExpression::CXFA_FMUnaryExpression(
@@ -218,7 +226,9 @@
CXFA_FMUnaryExpression::~CXFA_FMUnaryExpression() {}
-void CXFA_FMUnaryExpression::ToJavaScript(CFX_WideTextBuf& javascript) {}
+bool CXFA_FMUnaryExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+ return true;
+}
CXFA_FMBinExpression::CXFA_FMBinExpression(
uint32_t line,
@@ -231,7 +241,9 @@
CXFA_FMBinExpression::~CXFA_FMBinExpression() {}
-void CXFA_FMBinExpression::ToJavaScript(CFX_WideTextBuf& javascript) {}
+bool CXFA_FMBinExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+ return true;
+}
CXFA_FMAssignExpression::CXFA_FMAssignExpression(
uint32_t line,
@@ -240,20 +252,27 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp2)
: CXFA_FMBinExpression(line, op, std::move(pExp1), std::move(pExp2)) {}
-void CXFA_FMAssignExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMAssignExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << L"if (";
javascript << gs_lpStrExpFuncName[ISFMOBJECT];
javascript << L"(";
- m_pExp1->ToJavaScript(javascript);
+ CFX_WideTextBuf tempExp1;
+ if (!m_pExp1->ToJavaScript(tempExp1))
+ return false;
+ javascript << tempExp1;
javascript << L"))\n{\n";
javascript << gs_lpStrExpFuncName[ASSIGN];
javascript << L"(";
- m_pExp1->ToJavaScript(javascript);
+ javascript << tempExp1;
javascript << L", ";
- m_pExp2->ToJavaScript(javascript);
+ if (CFXA_IsTooBig(javascript))
+ return false;
+
+ CFX_WideTextBuf tempExp2;
+ if (!m_pExp2->ToJavaScript(tempExp2))
+ return false;
+ javascript << tempExp2;
javascript << L");\n}\n";
- CFX_WideTextBuf tempExp1;
- m_pExp1->ToJavaScript(tempExp1);
if (m_pExp1->GetOperatorToken() == TOKidentifier &&
tempExp1.AsStringC() != L"this") {
javascript << L"else\n{\n";
@@ -261,29 +280,37 @@
javascript << L" = ";
javascript << gs_lpStrExpFuncName[ASSIGN];
javascript << L"(";
- m_pExp1->ToJavaScript(javascript);
+ javascript << tempExp1;
javascript << L", ";
- m_pExp2->ToJavaScript(javascript);
+ javascript << tempExp2;
javascript << L");\n}\n";
}
+ return !CFXA_IsTooBig(javascript);
}
-void CXFA_FMAssignExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
+bool CXFA_FMAssignExpression::ToImpliedReturnJS(CFX_WideTextBuf& javascript) {
javascript << L"if (";
javascript << gs_lpStrExpFuncName[ISFMOBJECT];
javascript << L"(";
- m_pExp1->ToJavaScript(javascript);
+ CFX_WideTextBuf tempExp1;
+ if (!m_pExp1->ToJavaScript(tempExp1))
+ return false;
+ javascript << tempExp1;
javascript << L"))\n{\n";
javascript << RUNTIMEFUNCTIONRETURNVALUE;
javascript << L" = ";
javascript << gs_lpStrExpFuncName[ASSIGN];
javascript << L"(";
- m_pExp1->ToJavaScript(javascript);
+ javascript << tempExp1;
javascript << L", ";
- m_pExp2->ToJavaScript(javascript);
+ if (CFXA_IsTooBig(javascript))
+ return false;
+
+ CFX_WideTextBuf tempExp2;
+ if (!m_pExp2->ToJavaScript(tempExp2))
+ return false;
+ javascript << tempExp2;
javascript << L");\n}\n";
- CFX_WideTextBuf tempExp1;
- m_pExp1->ToJavaScript(tempExp1);
if (m_pExp1->GetOperatorToken() == TOKidentifier &&
tempExp1.AsStringC() != L"this") {
javascript << L"else\n{\n";
@@ -293,11 +320,12 @@
javascript << L" = ";
javascript << gs_lpStrExpFuncName[ASSIGN];
javascript << L"(";
- m_pExp1->ToJavaScript(javascript);
+ javascript << tempExp1;
javascript << L", ";
- m_pExp2->ToJavaScript(javascript);
+ javascript << tempExp2;
javascript << L");\n}\n";
}
+ return !CFXA_IsTooBig(javascript);
}
CXFA_FMLogicalOrExpression::CXFA_FMLogicalOrExpression(
@@ -307,13 +335,16 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp2)
: CXFA_FMBinExpression(line, op, std::move(pExp1), std::move(pExp2)) {}
-void CXFA_FMLogicalOrExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMLogicalOrExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << gs_lpStrExpFuncName[LOGICALOR];
javascript << L"(";
- m_pExp1->ToJavaScript(javascript);
+ if (!m_pExp1->ToJavaScript(javascript))
+ return false;
javascript << L", ";
- m_pExp2->ToJavaScript(javascript);
+ if (!m_pExp2->ToJavaScript(javascript))
+ return false;
javascript << L")";
+ return !CFXA_IsTooBig(javascript);
}
CXFA_FMLogicalAndExpression::CXFA_FMLogicalAndExpression(
@@ -323,13 +354,16 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp2)
: CXFA_FMBinExpression(line, op, std::move(pExp1), std::move(pExp2)) {}
-void CXFA_FMLogicalAndExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMLogicalAndExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << gs_lpStrExpFuncName[LOGICALAND];
javascript << L"(";
- m_pExp1->ToJavaScript(javascript);
+ if (!m_pExp1->ToJavaScript(javascript))
+ return false;
javascript << L", ";
- m_pExp2->ToJavaScript(javascript);
+ if (!m_pExp2->ToJavaScript(javascript))
+ return false;
javascript << L")";
+ return !CFXA_IsTooBig(javascript);
}
CXFA_FMEqualityExpression::CXFA_FMEqualityExpression(
@@ -339,7 +373,7 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp2)
: CXFA_FMBinExpression(line, op, std::move(pExp1), std::move(pExp2)) {}
-void CXFA_FMEqualityExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMEqualityExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
switch (m_op) {
case TOKeq:
case TOKkseq:
@@ -354,10 +388,13 @@
break;
}
javascript << L"(";
- m_pExp1->ToJavaScript(javascript);
+ if (!m_pExp1->ToJavaScript(javascript))
+ return false;
javascript << L", ";
- m_pExp2->ToJavaScript(javascript);
+ if (!m_pExp2->ToJavaScript(javascript))
+ return false;
javascript << L")";
+ return !CFXA_IsTooBig(javascript);
}
CXFA_FMRelationalExpression::CXFA_FMRelationalExpression(
@@ -367,7 +404,7 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp2)
: CXFA_FMBinExpression(line, op, std::move(pExp1), std::move(pExp2)) {}
-void CXFA_FMRelationalExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMRelationalExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
switch (m_op) {
case TOKlt:
case TOKkslt:
@@ -390,10 +427,13 @@
break;
}
javascript << L"(";
- m_pExp1->ToJavaScript(javascript);
+ if (!m_pExp1->ToJavaScript(javascript))
+ return false;
javascript << L", ";
- m_pExp2->ToJavaScript(javascript);
+ if (!m_pExp2->ToJavaScript(javascript))
+ return false;
javascript << L")";
+ return !CFXA_IsTooBig(javascript);
}
CXFA_FMAdditiveExpression::CXFA_FMAdditiveExpression(
@@ -403,7 +443,7 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp2)
: CXFA_FMBinExpression(line, op, std::move(pExp1), std::move(pExp2)) {}
-void CXFA_FMAdditiveExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMAdditiveExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
switch (m_op) {
case TOKplus:
javascript << gs_lpStrExpFuncName[PLUS];
@@ -416,10 +456,13 @@
break;
}
javascript << L"(";
- m_pExp1->ToJavaScript(javascript);
+ if (!m_pExp1->ToJavaScript(javascript))
+ return false;
javascript << L", ";
- m_pExp2->ToJavaScript(javascript);
+ if (!m_pExp2->ToJavaScript(javascript))
+ return false;
javascript << L")";
+ return !CFXA_IsTooBig(javascript);
}
CXFA_FMMultiplicativeExpression::CXFA_FMMultiplicativeExpression(
@@ -429,7 +472,7 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp2)
: CXFA_FMBinExpression(line, op, std::move(pExp1), std::move(pExp2)) {}
-void CXFA_FMMultiplicativeExpression::ToJavaScript(
+bool CXFA_FMMultiplicativeExpression::ToJavaScript(
CFX_WideTextBuf& javascript) {
switch (m_op) {
case TOKmul:
@@ -443,10 +486,13 @@
break;
}
javascript << L"(";
- m_pExp1->ToJavaScript(javascript);
+ if (!m_pExp1->ToJavaScript(javascript))
+ return false;
javascript << L", ";
- m_pExp2->ToJavaScript(javascript);
+ if (!m_pExp2->ToJavaScript(javascript))
+ return false;
javascript << L")";
+ return !CFXA_IsTooBig(javascript);
}
CXFA_FMPosExpression::CXFA_FMPosExpression(
@@ -454,11 +500,13 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp)
: CXFA_FMUnaryExpression(line, TOKplus, std::move(pExp)) {}
-void CXFA_FMPosExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMPosExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << gs_lpStrExpFuncName[POSITIVE];
javascript << L"(";
- m_pExp->ToJavaScript(javascript);
+ if (!m_pExp->ToJavaScript(javascript))
+ return false;
javascript << L")";
+ return true;
}
CXFA_FMNegExpression::CXFA_FMNegExpression(
@@ -466,11 +514,13 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp)
: CXFA_FMUnaryExpression(line, TOKminus, std::move(pExp)) {}
-void CXFA_FMNegExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMNegExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << gs_lpStrExpFuncName[NEGATIVE];
javascript << L"(";
- m_pExp->ToJavaScript(javascript);
+ if (!m_pExp->ToJavaScript(javascript))
+ return false;
javascript << L")";
+ return true;
}
CXFA_FMNotExpression::CXFA_FMNotExpression(
@@ -478,11 +528,13 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp)
: CXFA_FMUnaryExpression(line, TOKksnot, std::move(pExp)) {}
-void CXFA_FMNotExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMNotExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << gs_lpStrExpFuncName[NOT];
javascript << L"(";
- m_pExp->ToJavaScript(javascript);
+ if (!m_pExp->ToJavaScript(javascript))
+ return false;
javascript << L")";
+ return true;
}
CXFA_FMCallExpression::CXFA_FMCallExpression(
@@ -535,9 +587,10 @@
return parameters;
}
-void CXFA_FMCallExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMCallExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
CFX_WideTextBuf funcName;
- m_pExp->ToJavaScript(funcName);
+ if (!m_pExp->ToJavaScript(funcName))
+ return false;
if (m_bIsSomMethod) {
javascript << funcName;
javascript << L"(";
@@ -554,20 +607,26 @@
}
javascript << L"(";
const auto& expr = m_Arguments[i];
- expr->ToJavaScript(javascript);
+ if (!expr->ToJavaScript(javascript))
+ return false;
javascript << L")";
if (i + 1 < m_Arguments.size()) {
javascript << L", ";
}
+ if (CFXA_IsTooBig(javascript))
+ return false;
}
} else {
for (const auto& expr : m_Arguments) {
javascript << gs_lpStrExpFuncName[GETFMVALUE];
javascript << L"(";
- expr->ToJavaScript(javascript);
+ if (!expr->ToJavaScript(javascript))
+ return false;
javascript << L")";
if (expr != m_Arguments.back())
javascript << L", ";
+ if (CFXA_IsTooBig(javascript))
+ return false;
}
}
javascript << L")";
@@ -597,18 +656,22 @@
if (!m_Arguments.empty()) {
const auto& expr = m_Arguments[0];
javascript << L"return ";
- expr->ToJavaScript(javascript);
+ if (!expr->ToJavaScript(javascript))
+ return false;
javascript << L";\n}\n";
} else {
javascript << L"return 0;\n}\n";
}
- javascript
- << L"catch(accessExceptions)\n{\nreturn 0;\n}\n}\n).call(this)\n";
+ javascript << L"catch(accessExceptions)\n";
+ javascript << L"{\nreturn 0;\n}\n}\n).call(this)\n";
} else {
for (const auto& expr : m_Arguments) {
- expr->ToJavaScript(javascript);
+ if (!expr->ToJavaScript(javascript))
+ return false;
if (expr != m_Arguments.back())
javascript << L", ";
+ if (CFXA_IsTooBig(javascript))
+ return false;
}
}
javascript << L")";
@@ -616,6 +679,7 @@
javascript << L")";
}
}
+ return true;
}
CXFA_FMDotAccessorExpression::CXFA_FMDotAccessorExpression(
@@ -632,19 +696,24 @@
CXFA_FMDotAccessorExpression::~CXFA_FMDotAccessorExpression() {}
-void CXFA_FMDotAccessorExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMDotAccessorExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << gs_lpStrExpFuncName[DOT];
javascript << L"(";
+ CFX_WideTextBuf tempExp1;
if (m_pExp1) {
- m_pExp1->ToJavaScript(javascript);
+ if (!m_pExp1->ToJavaScript(tempExp1))
+ return false;
+ javascript << tempExp1;
} else {
javascript << L"null";
}
javascript << L", ";
javascript << L"\"";
- if (m_pExp1 && m_pExp1->GetOperatorToken() == TOKidentifier) {
- m_pExp1->ToJavaScript(javascript);
- }
+ if (CFXA_IsTooBig(javascript))
+ return false;
+
+ if (m_pExp1 && m_pExp1->GetOperatorToken() == TOKidentifier)
+ javascript << tempExp1;
javascript << L"\", ";
if (m_op == TOKdotscream) {
javascript << L"\"#";
@@ -659,8 +728,10 @@
javascript << m_wsIdentifier;
javascript << L"\", ";
}
- m_pExp2->ToJavaScript(javascript);
+ if (!m_pExp2->ToJavaScript(javascript))
+ return false;
javascript << L")";
+ return !CFXA_IsTooBig(javascript);
}
CXFA_FMIndexExpression::CXFA_FMIndexExpression(
@@ -672,7 +743,7 @@
m_accessorIndex(accessorIndex),
m_bIsStarIndex(bIsStarIndex) {}
-void CXFA_FMIndexExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMIndexExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
switch (m_accessorIndex) {
case ACCESSOR_NO_INDEX:
javascript << L"0";
@@ -692,11 +763,13 @@
if (!m_bIsStarIndex) {
javascript << L", ";
if (m_pExp) {
- m_pExp->ToJavaScript(javascript);
+ if (!m_pExp->ToJavaScript(javascript))
+ return false;
} else {
javascript << L"0";
}
}
+ return true;
}
CXFA_FMDotDotAccessorExpression::CXFA_FMDotDotAccessorExpression(
@@ -713,22 +786,29 @@
CXFA_FMDotDotAccessorExpression::~CXFA_FMDotDotAccessorExpression() {}
-void CXFA_FMDotDotAccessorExpression::ToJavaScript(
+bool CXFA_FMDotDotAccessorExpression::ToJavaScript(
CFX_WideTextBuf& javascript) {
javascript << gs_lpStrExpFuncName[DOTDOT];
javascript << L"(";
- m_pExp1->ToJavaScript(javascript);
+ CFX_WideTextBuf tempExp1;
+ if (!m_pExp1->ToJavaScript(tempExp1))
+ return false;
+ javascript << tempExp1;
javascript << L", ";
javascript << L"\"";
- if (m_pExp1 && m_pExp1->GetOperatorToken() == TOKidentifier) {
- m_pExp1->ToJavaScript(javascript);
- }
+ if (CFXA_IsTooBig(javascript))
+ return false;
+
+ if (m_pExp1->GetOperatorToken() == TOKidentifier)
+ javascript << tempExp1;
javascript << L"\", ";
javascript << L"\"";
javascript << m_wsIdentifier;
javascript << L"\", ";
- m_pExp2->ToJavaScript(javascript);
+ if (!m_pExp2->ToJavaScript(javascript))
+ return false;
javascript << L")";
+ return !CFXA_IsTooBig(javascript);
}
CXFA_FMMethodCallExpression::CXFA_FMMethodCallExpression(
@@ -740,11 +820,12 @@
std::move(pAccessorExp1),
std::move(pCallExp)) {}
-void CXFA_FMMethodCallExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
+bool CXFA_FMMethodCallExpression::ToJavaScript(CFX_WideTextBuf& javascript) {
javascript << L"(\nfunction ()\n{\n";
javascript << L"var method_return_value = null;\n";
javascript << L"var accessor_object = ";
- m_pExp1->ToJavaScript(javascript);
+ if (!m_pExp1->ToJavaScript(javascript))
+ return false;
javascript << L";\n";
javascript << L"if (";
javascript << gs_lpStrExpFuncName[ISFMARRAY];
@@ -752,11 +833,22 @@
javascript << L"for(var index = accessor_object.length - 1; index > 1; "
L"index--)\n{\n";
javascript << L"method_return_value = accessor_object[index].";
- m_pExp2->ToJavaScript(javascript);
+ if (CFXA_IsTooBig(javascript))
+ return false;
+
+ CFX_WideTextBuf tempExp2;
+ if (!m_pExp2->ToJavaScript(tempExp2))
+ return false;
+ javascript << tempExp2;
javascript << L";\n}\n}\n";
javascript << L"else\n{\nmethod_return_value = accessor_object.";
- m_pExp2->ToJavaScript(javascript);
+ javascript << tempExp2;
javascript << L";\n}\n";
javascript << L"return method_return_value;\n";
javascript << L"}\n).call(this)";
+ return !CFXA_IsTooBig(javascript);
+}
+
+bool CFXA_IsTooBig(const CFX_WideTextBuf& javascript) {
+ return javascript.GetSize() > 256 * 1024 * 1024;
}
diff --git a/xfa/fxfa/fm2js/xfa_simpleexpression.h b/xfa/fxfa/fm2js/xfa_simpleexpression.h
index af1d02e..cb40e2b 100644
--- a/xfa/fxfa/fm2js/xfa_simpleexpression.h
+++ b/xfa/fxfa/fm2js/xfa_simpleexpression.h
@@ -59,28 +59,28 @@
public:
CXFA_FMSimpleExpression(uint32_t line, XFA_FM_TOKEN op);
virtual ~CXFA_FMSimpleExpression() {}
- virtual void ToJavaScript(CFX_WideTextBuf& javascript);
- virtual void ToImpliedReturnJS(CFX_WideTextBuf& javascript);
+ virtual bool ToJavaScript(CFX_WideTextBuf& javascript);
+ virtual bool ToImpliedReturnJS(CFX_WideTextBuf& javascript);
XFA_FM_TOKEN GetOperatorToken() const;
protected:
uint32_t m_line;
- XFA_FM_TOKEN m_op;
+ const XFA_FM_TOKEN m_op;
};
class CXFA_FMNullExpression : public CXFA_FMSimpleExpression {
public:
explicit CXFA_FMNullExpression(uint32_t line);
~CXFA_FMNullExpression() override {}
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
};
class CXFA_FMNumberExpression : public CXFA_FMSimpleExpression {
public:
CXFA_FMNumberExpression(uint32_t line, CFX_WideStringC wsNumber);
~CXFA_FMNumberExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
private:
CFX_WideStringC m_wsNumber;
@@ -90,7 +90,7 @@
public:
CXFA_FMStringExpression(uint32_t line, CFX_WideStringC wsString);
~CXFA_FMStringExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
private:
CFX_WideStringC m_wsString;
@@ -100,7 +100,7 @@
public:
CXFA_FMIdentifierExpression(uint32_t line, CFX_WideStringC wsIdentifier);
~CXFA_FMIdentifierExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
private:
CFX_WideStringC m_wsIdentifier;
@@ -113,7 +113,7 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp);
~CXFA_FMUnaryExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
protected:
std::unique_ptr<CXFA_FMSimpleExpression> m_pExp;
@@ -127,7 +127,7 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMBinExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
protected:
std::unique_ptr<CXFA_FMSimpleExpression> m_pExp1;
@@ -141,8 +141,8 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMAssignExpression() override {}
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
- void ToImpliedReturnJS(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToImpliedReturnJS(CFX_WideTextBuf& javascript) override;
};
class CXFA_FMLogicalOrExpression : public CXFA_FMBinExpression {
@@ -152,7 +152,7 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMLogicalOrExpression() override {}
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
};
class CXFA_FMLogicalAndExpression : public CXFA_FMBinExpression {
@@ -162,7 +162,7 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMLogicalAndExpression() override {}
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
};
class CXFA_FMEqualityExpression : public CXFA_FMBinExpression {
@@ -172,7 +172,7 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMEqualityExpression() override {}
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
};
class CXFA_FMRelationalExpression : public CXFA_FMBinExpression {
@@ -182,7 +182,7 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMRelationalExpression() override {}
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
};
class CXFA_FMAdditiveExpression : public CXFA_FMBinExpression {
@@ -192,7 +192,7 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMAdditiveExpression() override {}
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
};
class CXFA_FMMultiplicativeExpression : public CXFA_FMBinExpression {
@@ -203,7 +203,7 @@
std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
~CXFA_FMMultiplicativeExpression() override {}
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
};
class CXFA_FMPosExpression : public CXFA_FMUnaryExpression {
@@ -211,7 +211,7 @@
CXFA_FMPosExpression(uint32_t line,
std::unique_ptr<CXFA_FMSimpleExpression> pExp);
~CXFA_FMPosExpression() override {}
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
};
class CXFA_FMNegExpression : public CXFA_FMUnaryExpression {
@@ -219,7 +219,7 @@
CXFA_FMNegExpression(uint32_t line,
std::unique_ptr<CXFA_FMSimpleExpression> pExp);
~CXFA_FMNegExpression() override {}
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
};
class CXFA_FMNotExpression : public CXFA_FMUnaryExpression {
@@ -227,7 +227,7 @@
CXFA_FMNotExpression(uint32_t line,
std::unique_ptr<CXFA_FMSimpleExpression> pExp);
~CXFA_FMNotExpression() override {}
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
};
class CXFA_FMCallExpression : public CXFA_FMUnaryExpression {
@@ -241,7 +241,7 @@
bool IsBuildInFunc(CFX_WideTextBuf* funcName);
uint32_t IsMethodWithObjParam(const CFX_WideStringC& methodName);
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
private:
bool m_bIsSomMethod;
@@ -257,7 +257,7 @@
CFX_WideStringC wsIdentifier,
std::unique_ptr<CXFA_FMSimpleExpression> pIndexExp);
~CXFA_FMDotAccessorExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
private:
CFX_WideStringC m_wsIdentifier;
@@ -270,7 +270,7 @@
std::unique_ptr<CXFA_FMSimpleExpression> pIndexExp,
bool bIsStarIndex);
~CXFA_FMIndexExpression() override {}
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
private:
XFA_FM_AccessorIndex m_accessorIndex;
@@ -287,7 +287,7 @@
std::unique_ptr<CXFA_FMSimpleExpression> pIndexExp);
~CXFA_FMDotDotAccessorExpression() override;
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
private:
CFX_WideStringC m_wsIdentifier;
@@ -300,7 +300,9 @@
std::unique_ptr<CXFA_FMSimpleExpression> pAccessorExp1,
std::unique_ptr<CXFA_FMSimpleExpression> pCallExp);
~CXFA_FMMethodCallExpression() override {}
- void ToJavaScript(CFX_WideTextBuf& javascript) override;
+ bool ToJavaScript(CFX_WideTextBuf& javascript) override;
};
+bool CFXA_IsTooBig(const CFX_WideTextBuf& javascript);
+
#endif // XFA_FXFA_FM2JS_XFA_SIMPLEEXPRESSION_H_
