diff -r 000000000000 -r 4f2f89ce4247 WebCore/html/HTMLTokenizer.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/HTMLTokenizer.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,1639 @@
+/*
+ * Copyright (C) 2008 Apple Inc. All Rights Reserved.
+ * Copyright (C) 2009 Torch Mobile, Inc. http://www.torchmobile.com/
+ * Copyright (C) 2010 Google, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+#include "HTMLTokenizer.h"
+
+#include "AtomicString.h"
+#include "HTMLEntityParser.h"
+#include "HTMLToken.h"
+#include "HTMLNames.h"
+#include "NotImplemented.h"
+#include <wtf/ASCIICType.h>
+#include <wtf/CurrentTime.h>
+#include <wtf/UnusedParam.h>
+#include <wtf/text/CString.h>
+#include <wtf/unicode/Unicode.h>
+
+using namespace WTF;
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+const UChar HTMLTokenizer::InputStreamPreprocessor::endOfFileMarker = 0;
+
+namespace {
+
+inline UChar toLowerCase(UChar cc)
+{
+    ASSERT(isASCIIUpper(cc));
+    const int lowerCaseOffset = 0x20;
+    return cc + lowerCaseOffset;
+}
+
+inline bool isTokenizerWhitespace(UChar cc)
+{
+    return cc == '\x09' || cc == '\x0A' || cc == '\x0C' || cc == ' ';
+}
+
+inline void advanceStringAndASSERTIgnoringCase(SegmentedString& source, const char* expectedCharacters)
+{
+    while (*expectedCharacters)
+        source.advanceAndASSERTIgnoringCase(*expectedCharacters++);
+}
+
+inline bool vectorEqualsString(const Vector<UChar, 32>& vector, const String& string)
+{
+    if (vector.size() != string.length())
+        return false;
+    const UChar* stringData = string.characters();
+    const UChar* vectorData = vector.data();
+    // FIXME: Is there a higher-level function we should be calling here?
+    return !memcmp(stringData, vectorData, vector.size() * sizeof(UChar));
+}
+
+inline bool isEndTagBufferingState(HTMLTokenizer::State state)
+{
+    switch (state) {
+    case HTMLTokenizer::RCDATAEndTagOpenState:
+    case HTMLTokenizer::RCDATAEndTagNameState:
+    case HTMLTokenizer::RAWTEXTEndTagOpenState:
+    case HTMLTokenizer::RAWTEXTEndTagNameState:
+    case HTMLTokenizer::ScriptDataEndTagOpenState:
+    case HTMLTokenizer::ScriptDataEndTagNameState:
+    case HTMLTokenizer::ScriptDataEscapedEndTagOpenState:
+    case HTMLTokenizer::ScriptDataEscapedEndTagNameState:
+        return true;
+    default:
+        return false;
+    }
+}
+
+}
+
+HTMLTokenizer::HTMLTokenizer()
+{
+    reset();
+}
+
+HTMLTokenizer::~HTMLTokenizer()
+{
+}
+
+void HTMLTokenizer::reset()
+{
+    m_state = DataState;
+    m_token = 0;
+    m_lineNumber = 0;
+    m_skipLeadingNewLineForListing = false;
+    m_additionalAllowedCharacter = '\0';
+}
+
+inline bool HTMLTokenizer::processEntity(SegmentedString& source)
+{
+    bool notEnoughCharacters = false;
+    unsigned value = consumeHTMLEntity(source, notEnoughCharacters);
+    if (notEnoughCharacters)
+        return false;
+    if (!value)
+        bufferCharacter('&');
+    else
+        bufferCodePoint(value);
+    return true;
+}
+
+#if COMPILER(MSVC)
+// We need to disable the "unreachable code" warning because we want to assert
+// that some code points aren't reached in the state machine.
+#pragma warning(disable: 4702)
+#endif
+
+#define BEGIN_STATE(stateName) case stateName: stateName:
+#define END_STATE() ASSERT_NOT_REACHED(); break;
+
+// We use this macro when the HTML5 spec says "reconsume the current input
+// character in the <mumble> state."
+#define RECONSUME_IN(stateName)                                            \
+    do {                                                                   \
+        m_state = stateName;                                               \
+        goto stateName;                                                    \
+    } while (false)
+
+// We use this macro when the HTML5 spec says "consume the next input
+// character ... and switch to the <mumble> state."
+#define ADVANCE_TO(stateName)                                              \
+    do {                                                                   \
+        m_state = stateName;                                               \
+        if (!m_inputStreamPreprocessor.advance(source, m_lineNumber))      \
+            return shouldEmitBufferedCharacterToken(source);               \
+        cc = m_inputStreamPreprocessor.nextInputCharacter();               \
+        goto stateName;                                                    \
+    } while (false)
+
+// Sometimes there's more complicated logic in the spec that separates when
+// we consume the next input character and when we switch to a particular
+// state.  We handle those cases by advancing the source directly and using
+// this macro to switch to the indicated state.
+#define SWITCH_TO(stateName)                                               \
+    do {                                                                   \
+        m_state = stateName;                                               \
+        if (source.isEmpty() || !m_inputStreamPreprocessor.peek(source, m_lineNumber)) \
+            return shouldEmitBufferedCharacterToken(source);               \
+        cc = m_inputStreamPreprocessor.nextInputCharacter();               \
+        goto stateName;                                                    \
+    } while (false)
+
+
+inline void HTMLTokenizer::saveEndTagNameIfNeeded()
+{
+    ASSERT(m_token->type() != HTMLToken::Uninitialized);
+    if (m_token->type() == HTMLToken::StartTag)
+        m_appropriateEndTagName = m_token->name();
+}
+
+// We use this function when the HTML5 spec says "Emit the current <mumble>
+// token. Switch to the <mumble> state."  We use the word "resume" instead of
+// switch to indicate that this macro actually returns and that we'll end up
+// in the state when we "resume" (i.e., are called again).
+bool HTMLTokenizer::emitAndResumeIn(SegmentedString& source, State state)
+{
+    m_state = state;
+    source.advance(m_lineNumber);
+    saveEndTagNameIfNeeded();
+    return true;
+}
+
+// Identical to emitAndResumeIn, except does not advance.
+bool HTMLTokenizer::emitAndReconsumeIn(SegmentedString&, State state)
+{
+    m_state = state;
+    saveEndTagNameIfNeeded();
+    return true;
+}
+
+// Used to emit the EndOfFile token.
+// Check if we have buffered characters to emit first before emitting the EOF.
+bool HTMLTokenizer::emitEndOfFile(SegmentedString& source)
+{
+    if (shouldEmitBufferedCharacterToken(source))
+        return true;
+    m_state = DataState;
+    source.advance(m_lineNumber);
+    m_token->clear();
+    m_token->makeEndOfFile();
+    return true;
+}
+
+bool HTMLTokenizer::flushBufferedEndTag(SegmentedString& source)
+{
+    ASSERT(m_token->type() == HTMLToken::Character || m_token->type() == HTMLToken::Uninitialized);
+    source.advance(m_lineNumber);
+    if (m_token->type() == HTMLToken::Character)
+        return true;
+    m_token->beginEndTag(m_bufferedEndTagName);
+    m_bufferedEndTagName.clear();
+    return false;
+}
+
+#define FLUSH_AND_ADVANCE_TO(stateName)                                    \
+    do {                                                                   \
+        m_state = stateName;                                               \
+        if (flushBufferedEndTag(source))                                   \
+            return true;                                                   \
+        if (source.isEmpty()                                               \
+            || !m_inputStreamPreprocessor.peek(source, m_lineNumber))      \
+            return shouldEmitBufferedCharacterToken(source);               \
+        cc = m_inputStreamPreprocessor.nextInputCharacter();               \
+        goto stateName;                                                    \
+    } while (false)
+
+bool HTMLTokenizer::flushEmitAndResumeIn(SegmentedString& source, State state)
+{
+    m_state = state;
+    flushBufferedEndTag(source);
+    return true;
+}
+
+bool HTMLTokenizer::nextToken(SegmentedString& source, HTMLToken& token)
+{
+    // If we have a token in progress, then we're supposed to be called back
+    // with the same token so we can finish it.
+    ASSERT(!m_token || m_token == &token || token.type() == HTMLToken::Uninitialized);
+    m_token = &token;
+
+    if (!m_bufferedEndTagName.isEmpty() && !isEndTagBufferingState(m_state)) {
+        // FIXME: This should call flushBufferedEndTag().
+        // We started an end tag during our last iteration.
+        m_token->beginEndTag(m_bufferedEndTagName);
+        m_bufferedEndTagName.clear();
+        if (m_state == DataState) {
+            // We're back in the data state, so we must be done with the tag.
+            return true;
+        }
+    }
+
+    if (source.isEmpty() || !m_inputStreamPreprocessor.peek(source, m_lineNumber))
+        return shouldEmitBufferedCharacterToken(source);
+    UChar cc = m_inputStreamPreprocessor.nextInputCharacter();
+
+    // http://www.whatwg.org/specs/web-apps/current-work/multipage/tokenization.html#parsing-main-inbody
+    // Note that this logic is different than the generic \r\n collapsing
+    // handled in the input stream preprocessor.  This logic is here as an
+    // "authoring convenience" so folks can write:
+    //
+    // <pre>
+    // lorem ipsum
+    // lorem ipsum
+    // </pre>
+    //
+    // without getting an extra newline at the start of their <pre> element.
+    if (m_skipLeadingNewLineForListing) {
+        m_skipLeadingNewLineForListing = false;
+        if (cc == '\n') {
+            if (m_state == DataState)
+                ADVANCE_TO(DataState);
+            if (m_state == RCDATAState)
+                ADVANCE_TO(RCDATAState);
+            ASSERT_NOT_REACHED();
+        }
+    }
+
+    // Source: http://www.whatwg.org/specs/web-apps/current-work/#tokenisation0
+    switch (m_state) {
+    BEGIN_STATE(DataState) {
+        if (cc == '&')
+            ADVANCE_TO(CharacterReferenceInDataState);
+        else if (cc == '<') {
+            if (m_token->type() == HTMLToken::Character) {
+                // We have a bunch of character tokens queued up that we
+                // are emitting lazily here.
+                return true;
+            }
+            ADVANCE_TO(TagOpenState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker)
+            return emitEndOfFile(source);
+        else {
+            bufferCharacter(cc);
+            ADVANCE_TO(DataState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(CharacterReferenceInDataState) {
+        if (!processEntity(source))
+            return shouldEmitBufferedCharacterToken(source);
+        SWITCH_TO(DataState);
+    }
+    END_STATE()
+
+    BEGIN_STATE(RCDATAState) {
+        if (cc == '&')
+            ADVANCE_TO(CharacterReferenceInRCDATAState);
+        else if (cc == '<')
+            ADVANCE_TO(RCDATALessThanSignState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker)
+            return emitEndOfFile(source);
+        else {
+            bufferCharacter(cc);
+            ADVANCE_TO(RCDATAState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(CharacterReferenceInRCDATAState) {
+        if (!processEntity(source))
+            return shouldEmitBufferedCharacterToken(source);
+        SWITCH_TO(RCDATAState);
+    }
+    END_STATE()
+
+    BEGIN_STATE(RAWTEXTState) {
+        if (cc == '<')
+            ADVANCE_TO(RAWTEXTLessThanSignState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker)
+            return emitEndOfFile(source);
+        else {
+            bufferCharacter(cc);
+            ADVANCE_TO(RAWTEXTState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataState) {
+        if (cc == '<')
+            ADVANCE_TO(ScriptDataLessThanSignState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker)
+            return emitEndOfFile(source);
+        else {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(PLAINTEXTState) {
+        if (cc == InputStreamPreprocessor::endOfFileMarker)
+            return emitEndOfFile(source);
+        else
+            bufferCharacter(cc);
+        ADVANCE_TO(PLAINTEXTState);
+    }
+    END_STATE()
+
+    BEGIN_STATE(TagOpenState) {
+        if (cc == '!')
+            ADVANCE_TO(MarkupDeclarationOpenState);
+        else if (cc == '/')
+            ADVANCE_TO(EndTagOpenState);
+        else if (isASCIIUpper(cc)) {
+            m_token->beginStartTag(toLowerCase(cc));
+            ADVANCE_TO(TagNameState);
+        } else if (isASCIILower(cc)) {
+            m_token->beginStartTag(cc);
+            ADVANCE_TO(TagNameState);
+        } else if (cc == '?') {
+            parseError();
+            // The spec consumes the current character before switching
+            // to the bogus comment state, but it's easier to implement
+            // if we reconsume the current character.
+            RECONSUME_IN(BogusCommentState);
+        } else {
+            parseError();
+            bufferCharacter('<');
+            RECONSUME_IN(DataState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(EndTagOpenState) {
+        if (isASCIIUpper(cc)) {
+            m_token->beginEndTag(toLowerCase(cc));
+            ADVANCE_TO(TagNameState);
+        } else if (isASCIILower(cc)) {
+            m_token->beginEndTag(cc);
+            ADVANCE_TO(TagNameState);
+        } else if (cc == '>') {
+            parseError();
+            ADVANCE_TO(DataState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            bufferCharacter('<');
+            bufferCharacter('/');
+            RECONSUME_IN(DataState);
+        } else {
+            parseError();
+            RECONSUME_IN(BogusCommentState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(TagNameState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(BeforeAttributeNameState);
+        else if (cc == '/')
+            ADVANCE_TO(SelfClosingStartTagState);
+        else if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (isASCIIUpper(cc)) {
+            m_token->appendToName(toLowerCase(cc));
+            ADVANCE_TO(TagNameState);
+        } if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            m_token->appendToName(cc);
+            ADVANCE_TO(TagNameState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(RCDATALessThanSignState) {
+        if (cc == '/') {
+            m_temporaryBuffer.clear();
+            ASSERT(m_bufferedEndTagName.isEmpty());
+            ADVANCE_TO(RCDATAEndTagOpenState);
+        } else {
+            bufferCharacter('<');
+            RECONSUME_IN(RCDATAState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(RCDATAEndTagOpenState) {
+        if (isASCIIUpper(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(toLowerCase(cc));
+            ADVANCE_TO(RCDATAEndTagNameState);
+        } else if (isASCIILower(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(cc);
+            ADVANCE_TO(RCDATAEndTagNameState);
+        } else {
+            bufferCharacter('<');
+            bufferCharacter('/');
+            RECONSUME_IN(RCDATAState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(RCDATAEndTagNameState) {
+        if (isASCIIUpper(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(toLowerCase(cc));
+            ADVANCE_TO(RCDATAEndTagNameState);
+        } else if (isASCIILower(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(cc);
+            ADVANCE_TO(RCDATAEndTagNameState);
+        } else {
+            if (isTokenizerWhitespace(cc)) {
+                if (isAppropriateEndTag())
+                    FLUSH_AND_ADVANCE_TO(BeforeAttributeNameState);
+            } else if (cc == '/') {
+                if (isAppropriateEndTag())
+                    FLUSH_AND_ADVANCE_TO(SelfClosingStartTagState);
+            } else if (cc == '>') {
+                if (isAppropriateEndTag())
+                    return flushEmitAndResumeIn(source, DataState);
+            }
+            bufferCharacter('<');
+            bufferCharacter('/');
+            m_token->appendToCharacter(m_temporaryBuffer);
+            m_bufferedEndTagName.clear();
+            RECONSUME_IN(RCDATAState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(RAWTEXTLessThanSignState) {
+        if (cc == '/') {
+            m_temporaryBuffer.clear();
+            ASSERT(m_bufferedEndTagName.isEmpty());
+            ADVANCE_TO(RAWTEXTEndTagOpenState);
+        } else {
+            bufferCharacter('<');
+            RECONSUME_IN(RAWTEXTState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(RAWTEXTEndTagOpenState) {
+        if (isASCIIUpper(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(toLowerCase(cc));
+            ADVANCE_TO(RAWTEXTEndTagNameState);
+        } else if (isASCIILower(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(cc);
+            ADVANCE_TO(RAWTEXTEndTagNameState);
+        } else {
+            bufferCharacter('<');
+            bufferCharacter('/');
+            RECONSUME_IN(RAWTEXTState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(RAWTEXTEndTagNameState) {
+        if (isASCIIUpper(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(toLowerCase(cc));
+            ADVANCE_TO(RAWTEXTEndTagNameState);
+        } else if (isASCIILower(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(cc);
+            ADVANCE_TO(RAWTEXTEndTagNameState);
+        } else {
+            if (isTokenizerWhitespace(cc)) {
+                if (isAppropriateEndTag())
+                    FLUSH_AND_ADVANCE_TO(BeforeAttributeNameState);
+            } else if (cc == '/') {
+                if (isAppropriateEndTag())
+                    FLUSH_AND_ADVANCE_TO(SelfClosingStartTagState);
+            } else if (cc == '>') {
+                if (isAppropriateEndTag())
+                    return flushEmitAndResumeIn(source, DataState);
+            }
+            bufferCharacter('<');
+            bufferCharacter('/');
+            m_token->appendToCharacter(m_temporaryBuffer);
+            m_bufferedEndTagName.clear();
+            RECONSUME_IN(RAWTEXTState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataLessThanSignState) {
+        if (cc == '/') {
+            m_temporaryBuffer.clear();
+            ASSERT(m_bufferedEndTagName.isEmpty());
+            ADVANCE_TO(ScriptDataEndTagOpenState);
+        } else if (cc == '!') {
+            bufferCharacter('<');
+            bufferCharacter('!');
+            ADVANCE_TO(ScriptDataEscapeStartState);
+        } else {
+            bufferCharacter('<');
+            RECONSUME_IN(ScriptDataState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataEndTagOpenState) {
+        if (isASCIIUpper(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(toLowerCase(cc));
+            ADVANCE_TO(ScriptDataEndTagNameState);
+        } else if (isASCIILower(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(cc);
+            ADVANCE_TO(ScriptDataEndTagNameState);
+        } else {
+            bufferCharacter('<');
+            bufferCharacter('/');
+            RECONSUME_IN(ScriptDataState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataEndTagNameState) {
+        if (isASCIIUpper(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(toLowerCase(cc));
+            ADVANCE_TO(ScriptDataEndTagNameState);
+        } else if (isASCIILower(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(cc);
+            ADVANCE_TO(ScriptDataEndTagNameState);
+        } else {
+            if (isTokenizerWhitespace(cc)) {
+                if (isAppropriateEndTag())
+                    FLUSH_AND_ADVANCE_TO(BeforeAttributeNameState);
+            } else if (cc == '/') {
+                if (isAppropriateEndTag())
+                    FLUSH_AND_ADVANCE_TO(SelfClosingStartTagState);
+            } else if (cc == '>') {
+                if (isAppropriateEndTag())
+                    return flushEmitAndResumeIn(source, DataState);
+            }
+            bufferCharacter('<');
+            bufferCharacter('/');
+            m_token->appendToCharacter(m_temporaryBuffer);
+            m_bufferedEndTagName.clear();
+            RECONSUME_IN(ScriptDataState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataEscapeStartState) {
+        if (cc == '-') {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataEscapeStartDashState);
+        } else
+            RECONSUME_IN(ScriptDataState);
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataEscapeStartDashState) {
+        if (cc == '-') {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataEscapedDashDashState);
+        } else
+            RECONSUME_IN(ScriptDataState);
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataEscapedState) {
+        if (cc == '-') {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataEscapedDashState);
+        } else if (cc == '<')
+            ADVANCE_TO(ScriptDataEscapedLessThanSignState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataEscapedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataEscapedDashState) {
+        if (cc == '-') {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataEscapedDashDashState);
+        } else if (cc == '<')
+            ADVANCE_TO(ScriptDataEscapedLessThanSignState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataEscapedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataEscapedDashDashState) {
+        if (cc == '-') {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataEscapedDashDashState);
+        } else if (cc == '<')
+            ADVANCE_TO(ScriptDataEscapedLessThanSignState);
+        else if (cc == '>') {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataState);
+        } if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataEscapedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataEscapedLessThanSignState) {
+        if (cc == '/') {
+            m_temporaryBuffer.clear();
+            ASSERT(m_bufferedEndTagName.isEmpty());
+            ADVANCE_TO(ScriptDataEscapedEndTagOpenState);
+        } else if (isASCIIUpper(cc)) {
+            bufferCharacter('<');
+            bufferCharacter(cc);
+            m_temporaryBuffer.clear();
+            m_temporaryBuffer.append(toLowerCase(cc));
+            ADVANCE_TO(ScriptDataDoubleEscapeStartState);
+        } else if (isASCIILower(cc)) {
+            bufferCharacter('<');
+            bufferCharacter(cc);
+            m_temporaryBuffer.clear();
+            m_temporaryBuffer.append(cc);
+            ADVANCE_TO(ScriptDataDoubleEscapeStartState);
+        } else {
+            bufferCharacter('<');
+            RECONSUME_IN(ScriptDataEscapedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataEscapedEndTagOpenState) {
+        if (isASCIIUpper(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(toLowerCase(cc));
+            ADVANCE_TO(ScriptDataEscapedEndTagNameState);
+        } else if (isASCIILower(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(cc);
+            ADVANCE_TO(ScriptDataEscapedEndTagNameState);
+        } else {
+            bufferCharacter('<');
+            bufferCharacter('/');
+            RECONSUME_IN(ScriptDataEscapedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataEscapedEndTagNameState) {
+        if (isASCIIUpper(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(toLowerCase(cc));
+            ADVANCE_TO(ScriptDataEscapedEndTagNameState);
+        } else if (isASCIILower(cc)) {
+            m_temporaryBuffer.append(cc);
+            addToPossibleEndTag(cc);
+            ADVANCE_TO(ScriptDataEscapedEndTagNameState);
+        } else {
+            if (isTokenizerWhitespace(cc)) {
+                if (isAppropriateEndTag())
+                    FLUSH_AND_ADVANCE_TO(BeforeAttributeNameState);
+            } else if (cc == '/') {
+                if (isAppropriateEndTag())
+                    FLUSH_AND_ADVANCE_TO(SelfClosingStartTagState);
+            } else if (cc == '>') {
+                if (isAppropriateEndTag())
+                    return flushEmitAndResumeIn(source, DataState);
+            }
+            bufferCharacter('<');
+            bufferCharacter('/');
+            m_token->appendToCharacter(m_temporaryBuffer);
+            m_bufferedEndTagName.clear();
+            RECONSUME_IN(ScriptDataEscapedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataDoubleEscapeStartState) {
+        if (isTokenizerWhitespace(cc) || cc == '/' || cc == '>') {
+            bufferCharacter(cc);
+            if (temporaryBufferIs(scriptTag.localName()))
+                ADVANCE_TO(ScriptDataDoubleEscapedState);
+            else
+                ADVANCE_TO(ScriptDataEscapedState);
+        } else if (isASCIIUpper(cc)) {
+            bufferCharacter(cc);
+            m_temporaryBuffer.append(toLowerCase(cc));
+            ADVANCE_TO(ScriptDataDoubleEscapeStartState);
+        } else if (isASCIILower(cc)) {
+            bufferCharacter(cc);
+            m_temporaryBuffer.append(cc);
+            ADVANCE_TO(ScriptDataDoubleEscapeStartState);
+        } else
+            RECONSUME_IN(ScriptDataEscapedState);
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataDoubleEscapedState) {
+        if (cc == '-') {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataDoubleEscapedDashState);
+        } else if (cc == '<') {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataDoubleEscapedLessThanSignState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataDoubleEscapedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataDoubleEscapedDashState) {
+        if (cc == '-') {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataDoubleEscapedDashDashState);
+        } else if (cc == '<') {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataDoubleEscapedLessThanSignState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataDoubleEscapedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataDoubleEscapedDashDashState) {
+        if (cc == '-') {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataDoubleEscapedDashDashState);
+        } else if (cc == '<') {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataDoubleEscapedLessThanSignState);
+        } else if (cc == '>') {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            bufferCharacter(cc);
+            ADVANCE_TO(ScriptDataDoubleEscapedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataDoubleEscapedLessThanSignState) {
+        if (cc == '/') {
+            bufferCharacter(cc);
+            m_temporaryBuffer.clear();
+            ADVANCE_TO(ScriptDataDoubleEscapeEndState);
+        } else
+            RECONSUME_IN(ScriptDataDoubleEscapedState);
+    }
+    END_STATE()
+
+    BEGIN_STATE(ScriptDataDoubleEscapeEndState) {
+        if (isTokenizerWhitespace(cc) || cc == '/' || cc == '>') {
+            bufferCharacter(cc);
+            if (temporaryBufferIs(scriptTag.localName()))
+                ADVANCE_TO(ScriptDataEscapedState);
+            else
+                ADVANCE_TO(ScriptDataDoubleEscapedState);
+        } else if (isASCIIUpper(cc)) {
+            bufferCharacter(cc);
+            m_temporaryBuffer.append(toLowerCase(cc));
+            ADVANCE_TO(ScriptDataDoubleEscapeEndState);
+        } else if (isASCIILower(cc)) {
+            bufferCharacter(cc);
+            m_temporaryBuffer.append(cc);
+            ADVANCE_TO(ScriptDataDoubleEscapeEndState);
+        } else
+            RECONSUME_IN(ScriptDataDoubleEscapedState);
+    }
+    END_STATE()
+
+    BEGIN_STATE(BeforeAttributeNameState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(BeforeAttributeNameState);
+        else if (cc == '/')
+            ADVANCE_TO(SelfClosingStartTagState);
+        else if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (isASCIIUpper(cc)) {
+            m_token->addNewAttribute();
+            m_token->appendToAttributeName(toLowerCase(cc));
+            ADVANCE_TO(AttributeNameState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            if (cc == '"' || cc == '\'' || cc == '<' || cc == '=')
+                parseError();
+            m_token->addNewAttribute();
+            m_token->appendToAttributeName(cc);
+            ADVANCE_TO(AttributeNameState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(AttributeNameState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(AfterAttributeNameState);
+        else if (cc == '/')
+            ADVANCE_TO(SelfClosingStartTagState);
+        else if (cc == '=')
+            ADVANCE_TO(BeforeAttributeValueState);
+        else if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (isASCIIUpper(cc)) {
+            m_token->appendToAttributeName(toLowerCase(cc));
+            ADVANCE_TO(AttributeNameState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            if (cc == '"' || cc == '\'' || cc == '<' || cc == '=')
+                parseError();
+            m_token->appendToAttributeName(cc);
+            ADVANCE_TO(AttributeNameState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(AfterAttributeNameState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(AfterAttributeNameState);
+        else if (cc == '/')
+            ADVANCE_TO(SelfClosingStartTagState);
+        else if (cc == '=')
+            ADVANCE_TO(BeforeAttributeValueState);
+        else if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (isASCIIUpper(cc)) {
+            m_token->addNewAttribute();
+            m_token->appendToAttributeName(toLowerCase(cc));
+            ADVANCE_TO(AttributeNameState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            if (cc == '"' || cc == '\'' || cc == '<')
+                parseError();
+            m_token->addNewAttribute();
+            m_token->appendToAttributeName(cc);
+            ADVANCE_TO(AttributeNameState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(BeforeAttributeValueState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(BeforeAttributeValueState);
+        else if (cc == '"')
+            ADVANCE_TO(AttributeValueDoubleQuotedState);
+        else if (cc == '&')
+            RECONSUME_IN(AttributeValueUnquotedState);
+        else if (cc == '\'')
+            ADVANCE_TO(AttributeValueSingleQuotedState);
+        else if (cc == '>') {
+            parseError();
+            return emitAndResumeIn(source, DataState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            if (cc == '<' || cc == '=' || cc == '`')
+                parseError();
+            m_token->appendToAttributeValue(cc);
+            ADVANCE_TO(AttributeValueUnquotedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(AttributeValueDoubleQuotedState) {
+        if (cc == '"')
+            ADVANCE_TO(AfterAttributeValueQuotedState);
+        else if (cc == '&') {
+            m_additionalAllowedCharacter = '"';
+            ADVANCE_TO(CharacterReferenceInAttributeValueState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            m_token->appendToAttributeValue(cc);
+            ADVANCE_TO(AttributeValueDoubleQuotedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(AttributeValueSingleQuotedState) {
+        if (cc == '\'')
+            ADVANCE_TO(AfterAttributeValueQuotedState);
+        else if (cc == '&') {
+            m_additionalAllowedCharacter = '\'';
+            ADVANCE_TO(CharacterReferenceInAttributeValueState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            m_token->appendToAttributeValue(cc);
+            ADVANCE_TO(AttributeValueSingleQuotedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(AttributeValueUnquotedState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(BeforeAttributeNameState);
+        else if (cc == '&') {
+            m_additionalAllowedCharacter = '>';
+            ADVANCE_TO(CharacterReferenceInAttributeValueState);
+        } else if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            if (cc == '"' || cc == '\'' || cc == '<' || cc == '=' || cc == '`')
+                parseError();
+            m_token->appendToAttributeValue(cc);
+            ADVANCE_TO(AttributeValueUnquotedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(CharacterReferenceInAttributeValueState) {
+        bool notEnoughCharacters = false;
+        unsigned value = consumeHTMLEntity(source, notEnoughCharacters, m_additionalAllowedCharacter);
+        if (notEnoughCharacters)
+            return shouldEmitBufferedCharacterToken(source);
+        if (!value)
+            m_token->appendToAttributeValue('&');
+        else if (value < 0xFFFF)
+            m_token->appendToAttributeValue(value);
+        else {
+            m_token->appendToAttributeValue(U16_LEAD(value));
+            m_token->appendToAttributeValue(U16_TRAIL(value));
+        }
+        // We're supposed to switch back to the attribute value state that
+        // we were in when we were switched into this state.  Rather than
+        // keeping track of this explictly, we observe that the previous
+        // state can be determined by m_additionalAllowedCharacter.
+        if (m_additionalAllowedCharacter == '"')
+            SWITCH_TO(AttributeValueDoubleQuotedState);
+        else if (m_additionalAllowedCharacter == '\'')
+            SWITCH_TO(AttributeValueSingleQuotedState);
+        else if (m_additionalAllowedCharacter == '>')
+            SWITCH_TO(AttributeValueUnquotedState);
+        else
+            ASSERT_NOT_REACHED();
+    }
+    END_STATE()
+
+    BEGIN_STATE(AfterAttributeValueQuotedState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(BeforeAttributeNameState);
+        else if (cc == '/')
+            ADVANCE_TO(SelfClosingStartTagState);
+        else if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            parseError();
+            RECONSUME_IN(BeforeAttributeNameState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(SelfClosingStartTagState) {
+        if (cc == '>') {
+            m_token->setSelfClosing();
+            return emitAndResumeIn(source, DataState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            RECONSUME_IN(DataState);
+        } else {
+            parseError();
+            RECONSUME_IN(BeforeAttributeNameState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(BogusCommentState) {
+        m_token->beginComment();
+        RECONSUME_IN(ContinueBogusCommentState);
+    }
+    END_STATE()
+
+    BEGIN_STATE(ContinueBogusCommentState) {
+        if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker)
+            return emitAndReconsumeIn(source, DataState);
+        else {
+            m_token->appendToComment(cc);
+            ADVANCE_TO(ContinueBogusCommentState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(MarkupDeclarationOpenState) {
+        DEFINE_STATIC_LOCAL(String, dashDashString, ("--"));
+        DEFINE_STATIC_LOCAL(String, doctypeString, ("doctype"));
+        if (cc == '-') {
+            SegmentedString::LookAheadResult result = source.lookAhead(dashDashString);
+            if (result == SegmentedString::DidMatch) {
+                source.advanceAndASSERT('-');
+                source.advanceAndASSERT('-');
+                m_token->beginComment();
+                SWITCH_TO(CommentStartState);
+            } else if (result == SegmentedString::NotEnoughCharacters)
+                return shouldEmitBufferedCharacterToken(source);
+        } else if (cc == 'D' || cc == 'd') {
+            SegmentedString::LookAheadResult result = source.lookAheadIgnoringCase(doctypeString);
+            if (result == SegmentedString::DidMatch) {
+                advanceStringAndASSERTIgnoringCase(source, "doctype");
+                SWITCH_TO(DOCTYPEState);
+            } else if (result == SegmentedString::NotEnoughCharacters)
+                return shouldEmitBufferedCharacterToken(source);
+        }
+        notImplemented();
+        // FIXME: We're still missing the bits about the insertion mode being in foreign content:
+        // http://www.whatwg.org/specs/web-apps/current-work/multipage/tokenization.html#markup-declaration-open-state
+        parseError();
+        RECONSUME_IN(BogusCommentState);
+    }
+    END_STATE()
+
+    BEGIN_STATE(CommentStartState) {
+        if (cc == '-')
+            ADVANCE_TO(CommentStartDashState);
+        else if (cc == '>') {
+            parseError();
+            return emitAndResumeIn(source, DataState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            m_token->appendToComment(cc);
+            ADVANCE_TO(CommentState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(CommentStartDashState) {
+        if (cc == '-')
+            ADVANCE_TO(CommentEndState);
+        else if (cc == '>') {
+            parseError();
+            return emitAndResumeIn(source, DataState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            m_token->appendToComment('-');
+            m_token->appendToComment(cc);
+            ADVANCE_TO(CommentState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(CommentState) {
+        if (cc == '-')
+            ADVANCE_TO(CommentEndDashState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            m_token->appendToComment(cc);
+            ADVANCE_TO(CommentState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(CommentEndDashState) {
+        if (cc == '-')
+            ADVANCE_TO(CommentEndState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            m_token->appendToComment('-');
+            m_token->appendToComment(cc);
+            ADVANCE_TO(CommentState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(CommentEndState) {
+        if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (isTokenizerWhitespace(cc)) {
+            parseError();
+            m_token->appendToComment('-');
+            m_token->appendToComment('-');
+            m_token->appendToComment(cc);
+            ADVANCE_TO(CommentEndSpaceState);
+        } else if (cc == '!') {
+            parseError();
+            ADVANCE_TO(CommentEndBangState);
+        } else if (cc == '-') {
+            parseError();
+            m_token->appendToComment('-');
+            ADVANCE_TO(CommentEndState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            parseError();
+            m_token->appendToComment('-');
+            m_token->appendToComment('-');
+            m_token->appendToComment(cc);
+            ADVANCE_TO(CommentState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(CommentEndBangState) {
+        if (cc == '-') {
+            m_token->appendToComment('-');
+            m_token->appendToComment('-');
+            m_token->appendToComment('!');
+            ADVANCE_TO(CommentEndDashState);
+        } else if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            m_token->appendToComment('-');
+            m_token->appendToComment('-');
+            m_token->appendToComment('!');
+            m_token->appendToComment(cc);
+            ADVANCE_TO(CommentState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(CommentEndSpaceState) {
+        if (isTokenizerWhitespace(cc)) {
+            m_token->appendToComment(cc);
+            ADVANCE_TO(CommentEndSpaceState);
+        } else if (cc == '-')
+            ADVANCE_TO(CommentEndDashState);
+        else if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            m_token->appendToComment(cc);
+            ADVANCE_TO(CommentState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(DOCTYPEState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(BeforeDOCTYPENameState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            m_token->beginDOCTYPE();
+            m_token->setForceQuirks();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            parseError();
+            RECONSUME_IN(BeforeDOCTYPENameState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(BeforeDOCTYPENameState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(BeforeDOCTYPENameState);
+        else if (isASCIIUpper(cc)) {
+            m_token->beginDOCTYPE(toLowerCase(cc));
+            ADVANCE_TO(DOCTYPENameState);
+        } else if (cc == '>') {
+            parseError();
+            m_token->beginDOCTYPE();
+            m_token->setForceQuirks();
+            return emitAndResumeIn(source, DataState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            m_token->beginDOCTYPE();
+            m_token->setForceQuirks();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            m_token->beginDOCTYPE(cc);
+            ADVANCE_TO(DOCTYPENameState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(DOCTYPENameState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(AfterDOCTYPENameState);
+        else if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (isASCIIUpper(cc)) {
+            m_token->appendToName(toLowerCase(cc));
+            ADVANCE_TO(DOCTYPENameState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            m_token->appendToName(cc);
+            ADVANCE_TO(DOCTYPENameState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(AfterDOCTYPENameState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(AfterDOCTYPENameState);
+        if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            DEFINE_STATIC_LOCAL(String, publicString, ("public"));
+            DEFINE_STATIC_LOCAL(String, systemString, ("system"));
+            if (cc == 'P' || cc == 'p') {
+                SegmentedString::LookAheadResult result = source.lookAheadIgnoringCase(publicString);
+                if (result == SegmentedString::DidMatch) {
+                    advanceStringAndASSERTIgnoringCase(source, "public");
+                    SWITCH_TO(AfterDOCTYPEPublicKeywordState);
+                } else if (result == SegmentedString::NotEnoughCharacters)
+                    return shouldEmitBufferedCharacterToken(source);
+            } else if (cc == 'S' || cc == 's') {
+                SegmentedString::LookAheadResult result = source.lookAheadIgnoringCase(systemString);
+                if (result == SegmentedString::DidMatch) {
+                    advanceStringAndASSERTIgnoringCase(source, "system");
+                    SWITCH_TO(AfterDOCTYPESystemKeywordState);
+                } else if (result == SegmentedString::NotEnoughCharacters)
+                    return shouldEmitBufferedCharacterToken(source);
+            }
+            parseError();
+            m_token->setForceQuirks();
+            ADVANCE_TO(BogusDOCTYPEState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(AfterDOCTYPEPublicKeywordState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(BeforeDOCTYPEPublicIdentifierState);
+        else if (cc == '"') {
+            parseError();
+            m_token->setPublicIdentifierToEmptyString();
+            ADVANCE_TO(DOCTYPEPublicIdentifierDoubleQuotedState);
+        } else if (cc == '\'') {
+            parseError();
+            m_token->setPublicIdentifierToEmptyString();
+            ADVANCE_TO(DOCTYPEPublicIdentifierSingleQuotedState);
+        } else if (cc == '>') {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndResumeIn(source, DataState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            parseError();
+            m_token->setForceQuirks();
+            ADVANCE_TO(BogusDOCTYPEState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(BeforeDOCTYPEPublicIdentifierState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(BeforeDOCTYPEPublicIdentifierState);
+        else if (cc == '"') {
+            m_token->setPublicIdentifierToEmptyString();
+            ADVANCE_TO(DOCTYPEPublicIdentifierDoubleQuotedState);
+        } else if (cc == '\'') {
+            m_token->setPublicIdentifierToEmptyString();
+            ADVANCE_TO(DOCTYPEPublicIdentifierSingleQuotedState);
+        } else if (cc == '>') {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndResumeIn(source, DataState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            parseError();
+            m_token->setForceQuirks();
+            ADVANCE_TO(BogusDOCTYPEState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(DOCTYPEPublicIdentifierDoubleQuotedState) {
+        if (cc == '"')
+            ADVANCE_TO(AfterDOCTYPEPublicIdentifierState);
+        else if (cc == '>') {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndResumeIn(source, DataState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            m_token->appendToPublicIdentifier(cc);
+            ADVANCE_TO(DOCTYPEPublicIdentifierDoubleQuotedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(DOCTYPEPublicIdentifierSingleQuotedState) {
+        if (cc == '\'')
+            ADVANCE_TO(AfterDOCTYPEPublicIdentifierState);
+        else if (cc == '>') {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndResumeIn(source, DataState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            m_token->appendToPublicIdentifier(cc);
+            ADVANCE_TO(DOCTYPEPublicIdentifierSingleQuotedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(AfterDOCTYPEPublicIdentifierState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(BetweenDOCTYPEPublicAndSystemIdentifiersState);
+        else if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (cc == '"') {
+            parseError();
+            m_token->setSystemIdentifierToEmptyString();
+            ADVANCE_TO(DOCTYPESystemIdentifierDoubleQuotedState);
+        } else if (cc == '\'') {
+            parseError();
+            m_token->setSystemIdentifierToEmptyString();
+            ADVANCE_TO(DOCTYPESystemIdentifierSingleQuotedState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            parseError();
+            m_token->setForceQuirks();
+            ADVANCE_TO(BogusDOCTYPEState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(BetweenDOCTYPEPublicAndSystemIdentifiersState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(BetweenDOCTYPEPublicAndSystemIdentifiersState);
+        else if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (cc == '"') {
+            m_token->setSystemIdentifierToEmptyString();
+            ADVANCE_TO(DOCTYPESystemIdentifierDoubleQuotedState);
+        } else if (cc == '\'') {
+            m_token->setSystemIdentifierToEmptyString();
+            ADVANCE_TO(DOCTYPESystemIdentifierSingleQuotedState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            parseError();
+            m_token->setForceQuirks();
+            ADVANCE_TO(BogusDOCTYPEState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(AfterDOCTYPESystemKeywordState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(BeforeDOCTYPESystemIdentifierState);
+        else if (cc == '"') {
+            parseError();
+            m_token->setSystemIdentifierToEmptyString();
+            ADVANCE_TO(DOCTYPESystemIdentifierDoubleQuotedState);
+        } else if (cc == '\'') {
+            parseError();
+            m_token->setSystemIdentifierToEmptyString();
+            ADVANCE_TO(DOCTYPESystemIdentifierSingleQuotedState);
+        } else if (cc == '>') {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndResumeIn(source, DataState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            parseError();
+            m_token->setForceQuirks();
+            ADVANCE_TO(BogusDOCTYPEState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(BeforeDOCTYPESystemIdentifierState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(BeforeDOCTYPESystemIdentifierState);
+        if (cc == '"') {
+            m_token->setSystemIdentifierToEmptyString();
+            ADVANCE_TO(DOCTYPESystemIdentifierDoubleQuotedState);
+        } else if (cc == '\'') {
+            m_token->setSystemIdentifierToEmptyString();
+            ADVANCE_TO(DOCTYPESystemIdentifierSingleQuotedState);
+        } else if (cc == '>') {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndResumeIn(source, DataState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            parseError();
+            m_token->setForceQuirks();
+            ADVANCE_TO(BogusDOCTYPEState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(DOCTYPESystemIdentifierDoubleQuotedState) {
+        if (cc == '"')
+            ADVANCE_TO(AfterDOCTYPESystemIdentifierState);
+        else if (cc == '>') {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndResumeIn(source, DataState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            m_token->appendToSystemIdentifier(cc);
+            ADVANCE_TO(DOCTYPESystemIdentifierDoubleQuotedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(DOCTYPESystemIdentifierSingleQuotedState) {
+        if (cc == '\'')
+            ADVANCE_TO(AfterDOCTYPESystemIdentifierState);
+        else if (cc == '>') {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndResumeIn(source, DataState);
+        } else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            m_token->appendToSystemIdentifier(cc);
+            ADVANCE_TO(DOCTYPESystemIdentifierSingleQuotedState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(AfterDOCTYPESystemIdentifierState) {
+        if (isTokenizerWhitespace(cc))
+            ADVANCE_TO(AfterDOCTYPESystemIdentifierState);
+        else if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker) {
+            parseError();
+            m_token->setForceQuirks();
+            return emitAndReconsumeIn(source, DataState);
+        } else {
+            parseError();
+            ADVANCE_TO(BogusDOCTYPEState);
+        }
+    }
+    END_STATE()
+
+    BEGIN_STATE(BogusDOCTYPEState) {
+        if (cc == '>')
+            return emitAndResumeIn(source, DataState);
+        else if (cc == InputStreamPreprocessor::endOfFileMarker)
+            return emitAndReconsumeIn(source, DataState);
+        ADVANCE_TO(BogusDOCTYPEState);
+    }
+    END_STATE()
+
+    BEGIN_STATE(CDATASectionState) {
+        notImplemented();
+        ADVANCE_TO(CDATASectionState);
+        // FIXME: Handle EOF properly.
+    }
+    END_STATE()
+
+    }
+
+    ASSERT_NOT_REACHED();
+    return false;
+}
+
+inline bool HTMLTokenizer::temporaryBufferIs(const String& expectedString)
+{
+    return vectorEqualsString(m_temporaryBuffer, expectedString);
+}
+
+inline void HTMLTokenizer::addToPossibleEndTag(UChar cc)
+{
+    ASSERT(isEndTagBufferingState(m_state));
+    m_bufferedEndTagName.append(cc);
+}
+
+inline bool HTMLTokenizer::isAppropriateEndTag()
+{
+    return m_bufferedEndTagName == m_appropriateEndTagName;
+}
+
+inline void HTMLTokenizer::bufferCharacter(UChar character)
+{
+    ASSERT(character != InputStreamPreprocessor::endOfFileMarker);
+    if (m_token->type() != HTMLToken::Character) {
+        m_token->beginCharacter(character);
+        return;
+    }
+    m_token->appendToCharacter(character);
+}
+
+inline void HTMLTokenizer::bufferCodePoint(unsigned value)
+{
+    if (value < 0xFFFF) {
+        bufferCharacter(value);
+        return;
+    }
+    bufferCharacter(U16_LEAD(value));
+    bufferCharacter(U16_TRAIL(value));
+}
+
+inline void HTMLTokenizer::parseError()
+{
+    notImplemented();
+}
+
+inline bool HTMLTokenizer::shouldEmitBufferedCharacterToken(const SegmentedString& source)
+{
+    return source.isClosed() && m_token->type() == HTMLToken::Character;
+}
+
+}
+