1193 lines
38 KiB
C++
1193 lines
38 KiB
C++
// Copyright 2014 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "xfa/fxfa/formcalc/cxfa_fmexpression.h"
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#include <algorithm>
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#include <utility>
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#include "core/fxcrt/autorestorer.h"
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#include "core/fxcrt/fx_extension.h"
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#include "core/fxcrt/widetext_buffer.h"
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#include "fxjs/gc/container_trace.h"
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#include "third_party/base/check.h"
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#include "v8/include/cppgc/visitor.h"
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#include "xfa/fxfa/formcalc/cxfa_fmtojavascriptdepth.h"
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namespace {
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const wchar_t kLessEqual[] = L" <= ";
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const wchar_t kGreaterEqual[] = L" >= ";
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const wchar_t kPlusEqual[] = L" += ";
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const wchar_t kMinusEqual[] = L" -= ";
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const wchar_t* const kBuiltInFuncs[] = {
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L"Abs", L"Apr", L"At", L"Avg",
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L"Ceil", L"Choose", L"Concat", L"Count",
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L"Cterm", L"Date", L"Date2Num", L"DateFmt",
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L"Decode", L"Encode", L"Eval", L"Exists",
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L"Floor", L"Format", L"FV", L"Get",
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L"HasValue", L"If", L"Ipmt", L"IsoDate2Num",
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L"IsoTime2Num", L"Left", L"Len", L"LocalDateFmt",
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L"LocalTimeFmt", L"Lower", L"Ltrim", L"Max",
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L"Min", L"Mod", L"NPV", L"Num2Date",
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L"Num2GMTime", L"Num2Time", L"Oneof", L"Parse",
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L"Pmt", L"Post", L"PPmt", L"Put",
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L"PV", L"Rate", L"Ref", L"Replace",
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L"Right", L"Round", L"Rtrim", L"Space",
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L"Str", L"Stuff", L"Substr", L"Sum",
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L"Term", L"Time", L"Time2Num", L"TimeFmt",
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L"UnitType", L"UnitValue", L"Upper", L"Uuid",
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L"Within", L"WordNum",
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};
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const size_t kBuiltInFuncsMaxLen = 12;
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struct XFA_FMSOMMethod {
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const wchar_t* m_wsSomMethodName; // Ok, POD struct.
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uint32_t m_dParameters;
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};
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const XFA_FMSOMMethod kFMSomMethods[] = {
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{L"absPage", 0x01},
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{L"absPageInBatch", 0x01},
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{L"absPageSpan", 0x01},
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{L"append", 0x01},
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{L"clear", 0x01},
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{L"formNodes", 0x01},
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{L"h", 0x01},
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{L"insert", 0x03},
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{L"isRecordGroup", 0x01},
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{L"page", 0x01},
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{L"pageSpan", 0x01},
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{L"remove", 0x01},
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{L"saveFilteredXML", 0x01},
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{L"setElement", 0x01},
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{L"sheet", 0x01},
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{L"sheetInBatch", 0x01},
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{L"sign", 0x61},
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{L"verify", 0x0d},
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{L"w", 0x01},
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{L"x", 0x01},
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{L"y", 0x01},
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};
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WideString IdentifierToName(const WideString& ident) {
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if (ident.IsEmpty() || ident[0] != L'!')
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return ident;
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return L"pfm__excl__" + ident.Last(ident.GetLength() - 1);
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}
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} // namespace
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CXFA_FMExpression::CXFA_FMExpression() = default;
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CXFA_FMExpression::~CXFA_FMExpression() = default;
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void CXFA_FMExpression::Trace(cppgc::Visitor* visitor) const {}
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CXFA_FMSimpleExpression::CXFA_FMSimpleExpression(XFA_FM_TOKEN op) : m_op(op) {}
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CXFA_FMSimpleExpression::~CXFA_FMSimpleExpression() = default;
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CXFA_FMChainableExpression::CXFA_FMChainableExpression(
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XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp1,
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CXFA_FMSimpleExpression* pExp2)
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: CXFA_FMSimpleExpression(op), m_pExp1(pExp1), m_pExp2(pExp2) {}
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CXFA_FMChainableExpression::~CXFA_FMChainableExpression() = default;
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void CXFA_FMChainableExpression::Trace(cppgc::Visitor* visitor) const {
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CXFA_FMSimpleExpression::Trace(visitor);
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visitor->Trace(m_pExp1);
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visitor->Trace(m_pExp2);
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}
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CXFA_FMNullExpression::CXFA_FMNullExpression()
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: CXFA_FMSimpleExpression(TOKnull) {}
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CXFA_FMNullExpression::~CXFA_FMNullExpression() = default;
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bool CXFA_FMNullExpression::ToJavaScript(WideTextBuffer* js,
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ReturnType type) const {
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CXFA_FMToJavaScriptDepth depthManager;
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if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
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return false;
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*js << "null";
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return !CXFA_IsTooBig(*js);
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}
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CXFA_FMNumberExpression::CXFA_FMNumberExpression(WideString wsNumber)
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: CXFA_FMSimpleExpression(TOKnumber), m_wsNumber(std::move(wsNumber)) {}
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CXFA_FMNumberExpression::~CXFA_FMNumberExpression() = default;
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bool CXFA_FMNumberExpression::ToJavaScript(WideTextBuffer* js,
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ReturnType type) const {
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CXFA_FMToJavaScriptDepth depthManager;
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if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
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return false;
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*js << m_wsNumber;
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return !CXFA_IsTooBig(*js);
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}
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CXFA_FMStringExpression::CXFA_FMStringExpression(WideString wsString)
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: CXFA_FMSimpleExpression(TOKstring), m_wsString(std::move(wsString)) {}
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CXFA_FMStringExpression::~CXFA_FMStringExpression() = default;
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bool CXFA_FMStringExpression::ToJavaScript(WideTextBuffer* js,
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ReturnType type) const {
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CXFA_FMToJavaScriptDepth depthManager;
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if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
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return false;
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WideString tempStr(m_wsString);
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if (tempStr.GetLength() <= 2) {
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*js << tempStr;
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return !CXFA_IsTooBig(*js);
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}
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*js << "\"";
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for (size_t i = 1; i < tempStr.GetLength() - 1; i++) {
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wchar_t oneChar = tempStr[i];
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switch (oneChar) {
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case L'\"':
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++i;
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*js << "\\\"";
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break;
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case 0x0d:
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break;
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case 0x0a:
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*js << "\\n";
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break;
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default:
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js->AppendChar(oneChar);
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break;
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}
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}
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*js << "\"";
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return !CXFA_IsTooBig(*js);
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}
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CXFA_FMIdentifierExpression::CXFA_FMIdentifierExpression(
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WideString wsIdentifier)
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: CXFA_FMSimpleExpression(TOKidentifier),
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m_wsIdentifier(std::move(wsIdentifier)) {}
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CXFA_FMIdentifierExpression::~CXFA_FMIdentifierExpression() = default;
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bool CXFA_FMIdentifierExpression::ToJavaScript(WideTextBuffer* js,
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ReturnType type) const {
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CXFA_FMToJavaScriptDepth depthManager;
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if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
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return false;
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if (m_wsIdentifier.EqualsASCII("$"))
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*js << "this";
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else if (m_wsIdentifier.EqualsASCII("!"))
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*js << "xfa.datasets";
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else if (m_wsIdentifier.EqualsASCII("$data"))
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*js << "xfa.datasets.data";
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else if (m_wsIdentifier.EqualsASCII("$event"))
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*js << "xfa.event";
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else if (m_wsIdentifier.EqualsASCII("$form"))
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*js << "xfa.form";
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else if (m_wsIdentifier.EqualsASCII("$host"))
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*js << "xfa.host";
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else if (m_wsIdentifier.EqualsASCII("$layout"))
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*js << "xfa.layout";
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else if (m_wsIdentifier.EqualsASCII("$template"))
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*js << "xfa.template";
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else if (m_wsIdentifier[0] == L'!')
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*js << "pfm__excl__" << m_wsIdentifier.Last(m_wsIdentifier.GetLength() - 1);
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else
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*js << m_wsIdentifier;
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return !CXFA_IsTooBig(*js);
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}
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CXFA_FMAssignExpression::CXFA_FMAssignExpression(XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp1,
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CXFA_FMSimpleExpression* pExp2)
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: CXFA_FMChainableExpression(op, pExp1, pExp2) {}
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CXFA_FMAssignExpression::~CXFA_FMAssignExpression() = default;
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bool CXFA_FMAssignExpression::ToJavaScript(WideTextBuffer* js,
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ReturnType type) const {
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CXFA_FMToJavaScriptDepth depthManager;
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if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
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return false;
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WideTextBuffer tempExp1;
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const CXFA_FMSimpleExpression* exp1 = GetFirstExpression();
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if (!exp1->ToJavaScript(&tempExp1, ReturnType::kInferred))
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return false;
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*js << "if (pfm_rt.is_obj(" << tempExp1 << "))\n{\n";
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if (type == ReturnType::kImplied)
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*js << "pfm_ret = ";
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WideTextBuffer tempExp2;
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const CXFA_FMSimpleExpression* exp2 = GetSecondExpression();
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if (!exp2->ToJavaScript(&tempExp2, ReturnType::kInferred))
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return false;
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*js << "pfm_rt.asgn_val_op(" << tempExp1 << ", " << tempExp2 << ");\n}\n";
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if (exp1->GetOperatorToken() == TOKidentifier &&
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!tempExp1.AsStringView().EqualsASCII("this")) {
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*js << "else\n{\n";
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if (type == ReturnType::kImplied)
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*js << "pfm_ret = ";
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*js << tempExp1 << " = pfm_rt.asgn_val_op";
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*js << "(" << tempExp1 << ", " << tempExp2 << ");\n";
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*js << "}\n";
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}
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return !CXFA_IsTooBig(*js);
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}
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CXFA_FMBinExpression::CXFA_FMBinExpression(const WideString& opName,
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XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp1,
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CXFA_FMSimpleExpression* pExp2)
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: CXFA_FMChainableExpression(op, pExp1, pExp2), m_OpName(opName) {}
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CXFA_FMBinExpression::~CXFA_FMBinExpression() = default;
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bool CXFA_FMBinExpression::ToJavaScript(WideTextBuffer* js,
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ReturnType type) const {
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CXFA_FMToJavaScriptDepth depthManager;
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if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
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return false;
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*js << "pfm_rt." << m_OpName << "(";
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if (!GetFirstExpression()->ToJavaScript(js, ReturnType::kInferred))
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return false;
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*js << ", ";
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if (!GetSecondExpression()->ToJavaScript(js, ReturnType::kInferred))
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return false;
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*js << ")";
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return !CXFA_IsTooBig(*js);
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}
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CXFA_FMLogicalOrExpression::CXFA_FMLogicalOrExpression(
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XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp1,
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CXFA_FMSimpleExpression* pExp2)
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: CXFA_FMBinExpression(L"log_or_op", op, pExp1, pExp2) {}
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CXFA_FMLogicalOrExpression::~CXFA_FMLogicalOrExpression() = default;
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CXFA_FMLogicalAndExpression::CXFA_FMLogicalAndExpression(
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XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp1,
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CXFA_FMSimpleExpression* pExp2)
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: CXFA_FMBinExpression(L"log_and_op", op, pExp1, pExp2) {}
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CXFA_FMLogicalAndExpression::~CXFA_FMLogicalAndExpression() = default;
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CXFA_FMEqualExpression::CXFA_FMEqualExpression(XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp1,
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CXFA_FMSimpleExpression* pExp2)
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: CXFA_FMBinExpression(L"eq_op", op, pExp1, pExp2) {}
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CXFA_FMEqualExpression::~CXFA_FMEqualExpression() = default;
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CXFA_FMNotEqualExpression::CXFA_FMNotEqualExpression(
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XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp1,
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CXFA_FMSimpleExpression* pExp2)
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: CXFA_FMBinExpression(L"neq_op", op, pExp1, pExp2) {}
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CXFA_FMNotEqualExpression::~CXFA_FMNotEqualExpression() = default;
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CXFA_FMGtExpression::CXFA_FMGtExpression(XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp1,
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CXFA_FMSimpleExpression* pExp2)
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: CXFA_FMBinExpression(L"gt_op", op, pExp1, pExp2) {}
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CXFA_FMGtExpression::~CXFA_FMGtExpression() = default;
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CXFA_FMGeExpression::CXFA_FMGeExpression(XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp1,
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CXFA_FMSimpleExpression* pExp2)
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: CXFA_FMBinExpression(L"ge_op", op, pExp1, pExp2) {}
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CXFA_FMGeExpression::~CXFA_FMGeExpression() = default;
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CXFA_FMLtExpression::CXFA_FMLtExpression(XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp1,
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CXFA_FMSimpleExpression* pExp2)
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: CXFA_FMBinExpression(L"lt_op", op, pExp1, pExp2) {}
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CXFA_FMLtExpression::~CXFA_FMLtExpression() = default;
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CXFA_FMLeExpression::CXFA_FMLeExpression(XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp1,
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CXFA_FMSimpleExpression* pExp2)
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: CXFA_FMBinExpression(L"le_op", op, pExp1, pExp2) {}
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CXFA_FMLeExpression::~CXFA_FMLeExpression() = default;
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CXFA_FMPlusExpression::CXFA_FMPlusExpression(XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp1,
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CXFA_FMSimpleExpression* pExp2)
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: CXFA_FMBinExpression(L"plus_op", op, pExp1, pExp2) {}
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CXFA_FMPlusExpression::~CXFA_FMPlusExpression() = default;
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CXFA_FMMinusExpression::CXFA_FMMinusExpression(XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp1,
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CXFA_FMSimpleExpression* pExp2)
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: CXFA_FMBinExpression(L"minus_op", op, pExp1, pExp2) {}
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CXFA_FMMinusExpression::~CXFA_FMMinusExpression() = default;
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CXFA_FMMulExpression::CXFA_FMMulExpression(XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp1,
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CXFA_FMSimpleExpression* pExp2)
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: CXFA_FMBinExpression(L"mul_op", op, pExp1, pExp2) {}
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CXFA_FMMulExpression::~CXFA_FMMulExpression() = default;
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CXFA_FMDivExpression::CXFA_FMDivExpression(XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp1,
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CXFA_FMSimpleExpression* pExp2)
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: CXFA_FMBinExpression(L"div_op", op, pExp1, pExp2) {}
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CXFA_FMDivExpression::~CXFA_FMDivExpression() = default;
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CXFA_FMUnaryExpression::CXFA_FMUnaryExpression(const WideString& opName,
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XFA_FM_TOKEN op,
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CXFA_FMSimpleExpression* pExp)
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: CXFA_FMSimpleExpression(op), m_OpName(opName), m_pExp(pExp) {}
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CXFA_FMUnaryExpression::~CXFA_FMUnaryExpression() = default;
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void CXFA_FMUnaryExpression::Trace(cppgc::Visitor* visitor) const {
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CXFA_FMSimpleExpression::Trace(visitor);
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visitor->Trace(m_pExp);
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}
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bool CXFA_FMUnaryExpression::ToJavaScript(WideTextBuffer* js,
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ReturnType type) const {
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CXFA_FMToJavaScriptDepth depthManager;
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if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
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return false;
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*js << "pfm_rt." << m_OpName << "(";
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if (!m_pExp->ToJavaScript(js, ReturnType::kInferred))
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return false;
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*js << ")";
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return !CXFA_IsTooBig(*js);
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}
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CXFA_FMPosExpression::CXFA_FMPosExpression(CXFA_FMSimpleExpression* pExp)
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: CXFA_FMUnaryExpression(L"pos_op", TOKplus, pExp) {}
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CXFA_FMPosExpression::~CXFA_FMPosExpression() = default;
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CXFA_FMNegExpression::CXFA_FMNegExpression(CXFA_FMSimpleExpression* pExp)
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: CXFA_FMUnaryExpression(L"neg_op", TOKminus, pExp) {}
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CXFA_FMNegExpression::~CXFA_FMNegExpression() = default;
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CXFA_FMNotExpression::CXFA_FMNotExpression(CXFA_FMSimpleExpression* pExp)
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: CXFA_FMUnaryExpression(L"log_not_op", TOKksnot, pExp) {}
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CXFA_FMNotExpression::~CXFA_FMNotExpression() = default;
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CXFA_FMCallExpression::CXFA_FMCallExpression(
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CXFA_FMSimpleExpression* pExp,
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std::vector<cppgc::Member<CXFA_FMSimpleExpression>>&& pArguments,
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bool bIsSomMethod)
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: CXFA_FMSimpleExpression(TOKcall),
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m_pExp(pExp),
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m_Arguments(std::move(pArguments)),
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m_bIsSomMethod(bIsSomMethod) {}
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CXFA_FMCallExpression::~CXFA_FMCallExpression() = default;
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void CXFA_FMCallExpression::Trace(cppgc::Visitor* visitor) const {
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CXFA_FMSimpleExpression::Trace(visitor);
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visitor->Trace(m_pExp);
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ContainerTrace(visitor, m_Arguments);
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}
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bool CXFA_FMCallExpression::IsBuiltInFunc(WideTextBuffer* funcName) const {
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if (funcName->GetLength() > kBuiltInFuncsMaxLen)
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return false;
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WideString str = funcName->MakeString();
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const wchar_t* const* pMatchResult =
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std::lower_bound(std::begin(kBuiltInFuncs), std::end(kBuiltInFuncs), str,
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[](const wchar_t* iter, const WideString& val) -> bool {
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return val.CompareNoCase(iter) > 0;
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});
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if (pMatchResult != std::end(kBuiltInFuncs) &&
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!str.CompareNoCase(*pMatchResult)) {
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funcName->Clear();
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*funcName << *pMatchResult;
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return true;
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}
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return false;
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}
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uint32_t CXFA_FMCallExpression::IsMethodWithObjParam(
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const WideString& methodName) const {
|
|
const XFA_FMSOMMethod* result = std::lower_bound(
|
|
std::begin(kFMSomMethods), std::end(kFMSomMethods), methodName,
|
|
[](const XFA_FMSOMMethod iter, const WideString& val) {
|
|
return val.Compare(iter.m_wsSomMethodName) > 0;
|
|
});
|
|
if (result != std::end(kFMSomMethods) &&
|
|
methodName == result->m_wsSomMethodName) {
|
|
return result->m_dParameters;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
bool CXFA_FMCallExpression::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
WideTextBuffer funcName;
|
|
if (!m_pExp->ToJavaScript(&funcName, ReturnType::kInferred))
|
|
return false;
|
|
|
|
if (m_bIsSomMethod) {
|
|
*js << funcName << "(";
|
|
uint32_t methodPara = IsMethodWithObjParam(funcName.MakeString());
|
|
if (methodPara > 0) {
|
|
for (size_t i = 0; i < m_Arguments.size(); ++i) {
|
|
// Currently none of our expressions use objects for a parameter over
|
|
// the 6th. Make sure we don't overflow the shift when doing this
|
|
// check. If we ever need more the 32 object params we can revisit.
|
|
*js << "pfm_rt.get_";
|
|
if (i < 32 && (methodPara & (0x01 << i)) > 0)
|
|
*js << "jsobj";
|
|
else
|
|
*js << "val";
|
|
|
|
*js << "(";
|
|
if (!m_Arguments[i]->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
*js << ")";
|
|
if (i + 1 < m_Arguments.size())
|
|
*js << ", ";
|
|
}
|
|
} else {
|
|
for (const auto& expr : m_Arguments) {
|
|
*js << "pfm_rt.get_val(";
|
|
if (!expr->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
*js << ")";
|
|
if (expr != m_Arguments.back())
|
|
*js << ", ";
|
|
}
|
|
}
|
|
*js << ")";
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
bool isEvalFunc = false;
|
|
bool isExistsFunc = false;
|
|
if (!IsBuiltInFunc(&funcName)) {
|
|
// If a function is not a SomMethod or a built-in then the input was
|
|
// invalid, so failing. The scanner/lexer should catch this, but currently
|
|
// doesn't. This failure will bubble up to the top-level and cause the
|
|
// transpile to fail.
|
|
return false;
|
|
}
|
|
|
|
if (funcName.AsStringView().EqualsASCII("Eval")) {
|
|
isEvalFunc = true;
|
|
*js << "eval.call(this, pfm_rt.Translate";
|
|
} else {
|
|
if (funcName.AsStringView().EqualsASCII("Exists"))
|
|
isExistsFunc = true;
|
|
|
|
*js << "pfm_rt." << funcName;
|
|
}
|
|
|
|
*js << "(";
|
|
if (isExistsFunc) {
|
|
*js << "\n(\nfunction ()\n{\ntry\n{\n";
|
|
if (!m_Arguments.empty()) {
|
|
*js << "return ";
|
|
if (!m_Arguments[0]->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
*js << ";\n}\n";
|
|
} else {
|
|
*js << "return 0;\n}\n";
|
|
}
|
|
*js << "catch(accessExceptions)\n";
|
|
*js << "{\nreturn 0;\n}\n}\n).call(this)\n";
|
|
} else {
|
|
for (const auto& expr : m_Arguments) {
|
|
if (!expr->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
if (expr != m_Arguments.back())
|
|
*js << ", ";
|
|
}
|
|
}
|
|
*js << ")";
|
|
if (isEvalFunc)
|
|
*js << ")";
|
|
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
CXFA_FMDotAccessorExpression::CXFA_FMDotAccessorExpression(
|
|
CXFA_FMSimpleExpression* pAccessor,
|
|
XFA_FM_TOKEN op,
|
|
WideString wsIdentifier,
|
|
CXFA_FMSimpleExpression* pIndexExp)
|
|
: CXFA_FMChainableExpression(op, pAccessor, pIndexExp),
|
|
m_wsIdentifier(std::move(wsIdentifier)) {}
|
|
|
|
CXFA_FMDotAccessorExpression::~CXFA_FMDotAccessorExpression() = default;
|
|
|
|
bool CXFA_FMDotAccessorExpression::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
*js << "pfm_rt.dot_acc(";
|
|
|
|
CXFA_FMSimpleExpression* exp1 = GetFirstExpression();
|
|
if (exp1) {
|
|
// Write directly to the buffer with each recursion. Creating
|
|
// and copying temporaries here becomes expensive when there
|
|
// is deep recursion, even though we may need to re-create the
|
|
// same thing again below. See https://crbug.com/1274018.
|
|
if (!exp1->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
} else {
|
|
*js << "null";
|
|
}
|
|
*js << ", \"";
|
|
if (exp1 && exp1->GetOperatorToken() == TOKidentifier) {
|
|
if (!exp1->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
}
|
|
*js << "\", ";
|
|
if (GetOperatorToken() == TOKdotscream)
|
|
*js << "\"#" << m_wsIdentifier << "\", ";
|
|
else if (GetOperatorToken() == TOKdotstar)
|
|
*js << "\"*\", ";
|
|
else if (GetOperatorToken() == TOKcall)
|
|
*js << "\"\", ";
|
|
else
|
|
*js << "\"" << m_wsIdentifier << "\", ";
|
|
|
|
CXFA_FMSimpleExpression* exp2 = GetSecondExpression();
|
|
if (!exp2->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
|
|
*js << ")";
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
CXFA_FMIndexExpression::CXFA_FMIndexExpression(
|
|
AccessorIndex accessorIndex,
|
|
CXFA_FMSimpleExpression* pIndexExp,
|
|
bool bIsStarIndex)
|
|
: CXFA_FMSimpleExpression(TOKlbracket),
|
|
m_pExp(pIndexExp),
|
|
m_accessorIndex(accessorIndex),
|
|
m_bIsStarIndex(bIsStarIndex) {}
|
|
|
|
CXFA_FMIndexExpression::~CXFA_FMIndexExpression() = default;
|
|
|
|
void CXFA_FMIndexExpression::Trace(cppgc::Visitor* visitor) const {
|
|
CXFA_FMSimpleExpression::Trace(visitor);
|
|
visitor->Trace(m_pExp);
|
|
}
|
|
|
|
bool CXFA_FMIndexExpression::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
switch (m_accessorIndex) {
|
|
case AccessorIndex::kNoIndex:
|
|
*js << "0";
|
|
break;
|
|
case AccessorIndex::kNoRelativeIndex:
|
|
*js << "1";
|
|
break;
|
|
case AccessorIndex::kPositiveIndex:
|
|
*js << "2";
|
|
break;
|
|
case AccessorIndex::kNegativeIndex:
|
|
*js << "3";
|
|
break;
|
|
}
|
|
if (m_bIsStarIndex)
|
|
return !CXFA_IsTooBig(*js);
|
|
|
|
*js << ", ";
|
|
if (m_pExp) {
|
|
if (!m_pExp->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
} else {
|
|
*js << "0";
|
|
}
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
CXFA_FMDotDotAccessorExpression::CXFA_FMDotDotAccessorExpression(
|
|
CXFA_FMSimpleExpression* pAccessor,
|
|
XFA_FM_TOKEN op,
|
|
WideString wsIdentifier,
|
|
CXFA_FMSimpleExpression* pIndexExp)
|
|
: CXFA_FMChainableExpression(op, pAccessor, pIndexExp),
|
|
m_wsIdentifier(std::move(wsIdentifier)) {}
|
|
|
|
CXFA_FMDotDotAccessorExpression::~CXFA_FMDotDotAccessorExpression() = default;
|
|
|
|
bool CXFA_FMDotDotAccessorExpression::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
CXFA_FMSimpleExpression* exp1 = GetFirstExpression();
|
|
*js << "pfm_rt.dotdot_acc(";
|
|
if (!exp1->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
*js << ", "
|
|
<< "\"";
|
|
if (exp1->GetOperatorToken() == TOKidentifier) {
|
|
if (!exp1->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
}
|
|
|
|
CXFA_FMSimpleExpression* exp2 = GetSecondExpression();
|
|
*js << "\", \"" << m_wsIdentifier << "\", ";
|
|
if (!exp2->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
*js << ")";
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
CXFA_FMMethodCallExpression::CXFA_FMMethodCallExpression(
|
|
CXFA_FMSimpleExpression* pAccessorExp1,
|
|
CXFA_FMSimpleExpression* pCallExp)
|
|
: CXFA_FMChainableExpression(TOKdot, pAccessorExp1, pCallExp) {}
|
|
|
|
CXFA_FMMethodCallExpression::~CXFA_FMMethodCallExpression() = default;
|
|
|
|
bool CXFA_FMMethodCallExpression::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
*js << "(function() {\n";
|
|
*js << " return pfm_method_runner(";
|
|
if (!GetFirstExpression()->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
|
|
*js << ", function(obj) {\n";
|
|
*js << " return obj.";
|
|
if (!GetSecondExpression()->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
|
|
*js << ";\n";
|
|
*js << " });\n";
|
|
*js << "}).call(this)";
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
CXFA_FMFunctionDefinition::CXFA_FMFunctionDefinition(
|
|
WideString wsName,
|
|
std::vector<WideString>&& arguments,
|
|
std::vector<cppgc::Member<CXFA_FMExpression>>&& expressions)
|
|
: m_wsName(std::move(wsName)),
|
|
m_pArguments(std::move(arguments)),
|
|
m_pExpressions(std::move(expressions)) {
|
|
DCHECK(!m_wsName.IsEmpty());
|
|
}
|
|
|
|
CXFA_FMFunctionDefinition::~CXFA_FMFunctionDefinition() = default;
|
|
|
|
void CXFA_FMFunctionDefinition::Trace(cppgc::Visitor* visitor) const {
|
|
CXFA_FMExpression::Trace(visitor);
|
|
ContainerTrace(visitor, m_pExpressions);
|
|
}
|
|
|
|
bool CXFA_FMFunctionDefinition::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
if (m_wsName.IsEmpty())
|
|
return false;
|
|
|
|
*js << "function " << IdentifierToName(m_wsName) << "(";
|
|
for (const auto& identifier : m_pArguments) {
|
|
if (identifier != m_pArguments.front())
|
|
*js << ", ";
|
|
|
|
*js << IdentifierToName(identifier);
|
|
}
|
|
*js << ") {\n";
|
|
|
|
*js << "var pfm_ret = null;\n";
|
|
for (const auto& expr : m_pExpressions) {
|
|
ReturnType ret_type = expr == m_pExpressions.back() ? ReturnType::kImplied
|
|
: ReturnType::kInferred;
|
|
if (!expr->ToJavaScript(js, ret_type))
|
|
return false;
|
|
}
|
|
|
|
*js << "return pfm_ret;\n";
|
|
*js << "}\n";
|
|
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
CXFA_FMAST::CXFA_FMAST(
|
|
std::vector<cppgc::Member<CXFA_FMExpression>> expressions)
|
|
: expressions_(std::move(expressions)) {}
|
|
|
|
CXFA_FMAST::~CXFA_FMAST() = default;
|
|
|
|
void CXFA_FMAST::Trace(cppgc::Visitor* visitor) const {
|
|
ContainerTrace(visitor, expressions_);
|
|
}
|
|
|
|
absl::optional<WideTextBuffer> CXFA_FMAST::ToJavaScript() const {
|
|
WideTextBuffer js;
|
|
if (expressions_.empty()) {
|
|
js << "// comments only";
|
|
return js;
|
|
}
|
|
|
|
js << "(function() {\n";
|
|
js << "let pfm_method_runner = function(obj, cb) {\n";
|
|
js << " if (pfm_rt.is_ary(obj)) {\n";
|
|
js << " let pfm_method_return = null;\n";
|
|
js << " for (var idx = obj.length -1; idx > 1; idx--) {\n";
|
|
js << " pfm_method_return = cb(obj[idx]);\n";
|
|
js << " }\n";
|
|
js << " return pfm_method_return;\n";
|
|
js << " }\n";
|
|
js << " return cb(obj);\n";
|
|
js << "};\n";
|
|
js << "var pfm_ret = null;\n";
|
|
for (const auto& expr : expressions_) {
|
|
CXFA_FMAssignExpression::ReturnType ret_type =
|
|
expr == expressions_.back()
|
|
? CXFA_FMAssignExpression::ReturnType::kImplied
|
|
: CXFA_FMAssignExpression::ReturnType::kInferred;
|
|
if (!expr->ToJavaScript(&js, ret_type))
|
|
return absl::nullopt;
|
|
}
|
|
js << "return pfm_rt.get_val(pfm_ret);\n";
|
|
js << "}).call(this);";
|
|
|
|
if (CXFA_IsTooBig(js))
|
|
return absl::nullopt;
|
|
|
|
return js;
|
|
}
|
|
|
|
CXFA_FMVarExpression::CXFA_FMVarExpression(WideString wsName,
|
|
CXFA_FMSimpleExpression* pInit)
|
|
: m_wsName(std::move(wsName)), m_pInit(pInit) {}
|
|
|
|
CXFA_FMVarExpression::~CXFA_FMVarExpression() = default;
|
|
|
|
void CXFA_FMVarExpression::Trace(cppgc::Visitor* visitor) const {
|
|
CXFA_FMExpression::Trace(visitor);
|
|
visitor->Trace(m_pInit);
|
|
}
|
|
|
|
bool CXFA_FMVarExpression::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
WideString tempName = IdentifierToName(m_wsName);
|
|
*js << "var " << tempName << " = ";
|
|
if (m_pInit) {
|
|
if (!m_pInit->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
|
|
*js << ";\n";
|
|
*js << tempName << " = pfm_rt.var_filter(" << tempName << ");\n";
|
|
} else {
|
|
*js << "\"\";\n";
|
|
}
|
|
|
|
if (type == ReturnType::kImplied)
|
|
*js << "pfm_ret = " << tempName << ";\n";
|
|
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
CXFA_FMExpExpression::CXFA_FMExpExpression(CXFA_FMSimpleExpression* pExpression)
|
|
: m_pExpression(pExpression) {}
|
|
|
|
CXFA_FMExpExpression::~CXFA_FMExpExpression() = default;
|
|
|
|
void CXFA_FMExpExpression::Trace(cppgc::Visitor* visitor) const {
|
|
CXFA_FMExpression::Trace(visitor);
|
|
visitor->Trace(m_pExpression);
|
|
}
|
|
|
|
bool CXFA_FMExpExpression::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
if (type == ReturnType::kInferred) {
|
|
bool ret = m_pExpression->ToJavaScript(js, ReturnType::kInferred);
|
|
if (m_pExpression->GetOperatorToken() != TOKassign)
|
|
*js << ";\n";
|
|
|
|
return ret;
|
|
}
|
|
|
|
if (m_pExpression->GetOperatorToken() == TOKassign)
|
|
return m_pExpression->ToJavaScript(js, ReturnType::kImplied);
|
|
|
|
if (m_pExpression->GetOperatorToken() == TOKstar ||
|
|
m_pExpression->GetOperatorToken() == TOKdotstar ||
|
|
m_pExpression->GetOperatorToken() == TOKdotscream ||
|
|
m_pExpression->GetOperatorToken() == TOKdotdot ||
|
|
m_pExpression->GetOperatorToken() == TOKdot) {
|
|
*js << "pfm_ret = pfm_rt.get_val(";
|
|
if (!m_pExpression->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
|
|
*js << ");\n";
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
*js << "pfm_ret = ";
|
|
if (!m_pExpression->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
|
|
*js << ";\n";
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
CXFA_FMBlockExpression::CXFA_FMBlockExpression(
|
|
std::vector<cppgc::Member<CXFA_FMExpression>>&& pExpressionList)
|
|
: m_ExpressionList(std::move(pExpressionList)) {}
|
|
|
|
CXFA_FMBlockExpression::~CXFA_FMBlockExpression() = default;
|
|
|
|
void CXFA_FMBlockExpression::Trace(cppgc::Visitor* visitor) const {
|
|
CXFA_FMExpression::Trace(visitor);
|
|
ContainerTrace(visitor, m_ExpressionList);
|
|
}
|
|
|
|
bool CXFA_FMBlockExpression::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
*js << "{\n";
|
|
for (const auto& expr : m_ExpressionList) {
|
|
if (type == ReturnType::kInferred) {
|
|
if (!expr->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
} else {
|
|
ReturnType ret_type = expr == m_ExpressionList.back()
|
|
? ReturnType::kImplied
|
|
: ReturnType::kInferred;
|
|
if (!expr->ToJavaScript(js, ret_type))
|
|
return false;
|
|
}
|
|
}
|
|
*js << "}\n";
|
|
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
CXFA_FMDoExpression::CXFA_FMDoExpression(CXFA_FMExpression* pList)
|
|
: m_pList(pList) {}
|
|
|
|
CXFA_FMDoExpression::~CXFA_FMDoExpression() = default;
|
|
|
|
void CXFA_FMDoExpression::Trace(cppgc::Visitor* visitor) const {
|
|
CXFA_FMExpression::Trace(visitor);
|
|
visitor->Trace(m_pList);
|
|
}
|
|
|
|
bool CXFA_FMDoExpression::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
return m_pList->ToJavaScript(js, type);
|
|
}
|
|
|
|
CXFA_FMIfExpression::CXFA_FMIfExpression(
|
|
CXFA_FMSimpleExpression* pExpression,
|
|
CXFA_FMExpression* pIfExpression,
|
|
std::vector<cppgc::Member<CXFA_FMIfExpression>>&& pElseIfExpressions,
|
|
CXFA_FMExpression* pElseExpression)
|
|
: m_pExpression(pExpression),
|
|
m_pIfExpression(pIfExpression),
|
|
m_pElseIfExpressions(std::move(pElseIfExpressions)),
|
|
m_pElseExpression(pElseExpression) {
|
|
DCHECK(m_pExpression);
|
|
}
|
|
|
|
CXFA_FMIfExpression::~CXFA_FMIfExpression() = default;
|
|
|
|
void CXFA_FMIfExpression::Trace(cppgc::Visitor* visitor) const {
|
|
CXFA_FMExpression::Trace(visitor);
|
|
visitor->Trace(m_pExpression);
|
|
visitor->Trace(m_pIfExpression);
|
|
ContainerTrace(visitor, m_pElseIfExpressions);
|
|
visitor->Trace(m_pElseExpression);
|
|
}
|
|
|
|
bool CXFA_FMIfExpression::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
if (type == ReturnType::kImplied)
|
|
*js << "pfm_ret = 0;\n";
|
|
|
|
*js << "if (pfm_rt.get_val(";
|
|
if (!m_pExpression->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
*js << "))\n";
|
|
|
|
if (CXFA_IsTooBig(*js))
|
|
return false;
|
|
|
|
if (m_pIfExpression) {
|
|
if (!m_pIfExpression->ToJavaScript(js, type))
|
|
return false;
|
|
if (CXFA_IsTooBig(*js))
|
|
return false;
|
|
}
|
|
|
|
for (auto& expr : m_pElseIfExpressions) {
|
|
*js << "else ";
|
|
if (!expr->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
}
|
|
|
|
if (m_pElseExpression) {
|
|
*js << "else ";
|
|
if (!m_pElseExpression->ToJavaScript(js, type))
|
|
return false;
|
|
}
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
CXFA_FMWhileExpression::CXFA_FMWhileExpression(
|
|
CXFA_FMSimpleExpression* pCondition,
|
|
CXFA_FMExpression* pExpression)
|
|
: m_pCondition(pCondition), m_pExpression(pExpression) {}
|
|
|
|
CXFA_FMWhileExpression::~CXFA_FMWhileExpression() = default;
|
|
|
|
void CXFA_FMWhileExpression::Trace(cppgc::Visitor* visitor) const {
|
|
CXFA_FMExpression::Trace(visitor);
|
|
visitor->Trace(m_pCondition);
|
|
visitor->Trace(m_pExpression);
|
|
}
|
|
|
|
bool CXFA_FMWhileExpression::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
if (type == ReturnType::kImplied)
|
|
*js << "pfm_ret = 0;\n";
|
|
|
|
*js << "while (";
|
|
if (!m_pCondition->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
|
|
*js << ")\n";
|
|
if (CXFA_IsTooBig(*js))
|
|
return false;
|
|
|
|
if (!m_pExpression->ToJavaScript(js, type))
|
|
return false;
|
|
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
CXFA_FMBreakExpression::CXFA_FMBreakExpression() : CXFA_FMExpression() {}
|
|
|
|
CXFA_FMBreakExpression::~CXFA_FMBreakExpression() = default;
|
|
|
|
bool CXFA_FMBreakExpression::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
*js << "pfm_ret = 0;\nbreak;\n";
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
CXFA_FMContinueExpression::CXFA_FMContinueExpression() : CXFA_FMExpression() {}
|
|
|
|
CXFA_FMContinueExpression::~CXFA_FMContinueExpression() = default;
|
|
|
|
bool CXFA_FMContinueExpression::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
*js << "pfm_ret = 0;\ncontinue;\n";
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
CXFA_FMForExpression::CXFA_FMForExpression(WideString wsVariant,
|
|
CXFA_FMSimpleExpression* pAssignment,
|
|
CXFA_FMSimpleExpression* pAccessor,
|
|
int32_t iDirection,
|
|
CXFA_FMSimpleExpression* pStep,
|
|
CXFA_FMExpression* pList)
|
|
: m_wsVariant(std::move(wsVariant)),
|
|
m_bDirection(iDirection == 1),
|
|
m_pAssignment(pAssignment),
|
|
m_pAccessor(pAccessor),
|
|
m_pStep(pStep),
|
|
m_pList(pList) {}
|
|
|
|
CXFA_FMForExpression::~CXFA_FMForExpression() = default;
|
|
|
|
void CXFA_FMForExpression::Trace(cppgc::Visitor* visitor) const {
|
|
CXFA_FMExpression::Trace(visitor);
|
|
visitor->Trace(m_pAssignment);
|
|
visitor->Trace(m_pAccessor);
|
|
visitor->Trace(m_pStep);
|
|
visitor->Trace(m_pList);
|
|
}
|
|
|
|
bool CXFA_FMForExpression::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
if (type == ReturnType::kImplied)
|
|
*js << "pfm_ret = 0;\n";
|
|
|
|
*js << "{\n";
|
|
|
|
WideString tmpName = IdentifierToName(m_wsVariant);
|
|
*js << "var " << tmpName << " = null;\n";
|
|
|
|
*js << "for (" << tmpName << " = pfm_rt.get_val(";
|
|
if (!m_pAssignment->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
*js << "); ";
|
|
|
|
*js << tmpName << (m_bDirection ? kLessEqual : kGreaterEqual);
|
|
*js << "pfm_rt.get_val(";
|
|
if (!m_pAccessor->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
*js << "); ";
|
|
|
|
*js << tmpName << (m_bDirection ? kPlusEqual : kMinusEqual);
|
|
if (m_pStep) {
|
|
*js << "pfm_rt.get_val(";
|
|
if (!m_pStep->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
*js << ")";
|
|
} else {
|
|
*js << "1";
|
|
}
|
|
*js << ")\n";
|
|
if (CXFA_IsTooBig(*js))
|
|
return false;
|
|
|
|
if (!m_pList->ToJavaScript(js, type))
|
|
return false;
|
|
|
|
*js << "}\n";
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
CXFA_FMForeachExpression::CXFA_FMForeachExpression(
|
|
WideString wsIdentifier,
|
|
std::vector<cppgc::Member<CXFA_FMSimpleExpression>>&& pAccessors,
|
|
CXFA_FMExpression* pList)
|
|
: m_wsIdentifier(std::move(wsIdentifier)),
|
|
m_pAccessors(std::move(pAccessors)),
|
|
m_pList(pList) {}
|
|
|
|
CXFA_FMForeachExpression::~CXFA_FMForeachExpression() = default;
|
|
|
|
void CXFA_FMForeachExpression::Trace(cppgc::Visitor* visitor) const {
|
|
CXFA_FMExpression::Trace(visitor);
|
|
ContainerTrace(visitor, m_pAccessors);
|
|
visitor->Trace(m_pList);
|
|
}
|
|
|
|
bool CXFA_FMForeachExpression::ToJavaScript(WideTextBuffer* js,
|
|
ReturnType type) const {
|
|
CXFA_FMToJavaScriptDepth depthManager;
|
|
if (CXFA_IsTooBig(*js) || !depthManager.IsWithinMaxDepth())
|
|
return false;
|
|
|
|
if (type == ReturnType::kImplied)
|
|
*js << "pfm_ret = 0;\n";
|
|
|
|
*js << "{\n";
|
|
|
|
WideString tmpName = IdentifierToName(m_wsIdentifier);
|
|
*js << "var " << tmpName << " = null;\n";
|
|
*js << "var pfm_ary = pfm_rt.concat_obj(";
|
|
for (const auto& expr : m_pAccessors) {
|
|
if (!expr->ToJavaScript(js, ReturnType::kInferred))
|
|
return false;
|
|
if (expr != m_pAccessors.back())
|
|
*js << ", ";
|
|
}
|
|
*js << ");\n";
|
|
|
|
*js << "var pfm_ary_idx = 0;\n";
|
|
*js << "while(pfm_ary_idx < pfm_ary.length)\n{\n";
|
|
*js << tmpName << " = pfm_ary[pfm_ary_idx++];\n";
|
|
if (!m_pList->ToJavaScript(js, type))
|
|
return false;
|
|
|
|
*js << "}\n"; // while
|
|
*js << "}\n"; // block
|
|
return !CXFA_IsTooBig(*js);
|
|
}
|
|
|
|
bool CXFA_IsTooBig(const WideTextBuffer& js) {
|
|
return js.GetSize() >= 256 * 1024 * 1024;
|
|
}
|