webkitgtk-2.4.11webkitgtk-2.4.11

1 files changed, 0 insertions, 249 deletions

diff --git a/Source/JavaScriptCore/wasm/WASMReader.cpp b/Source/JavaScriptCore/wasm/WASMReader.cpp
deleted file mode 100644
index f6ac8e2fc..000000000
--- a/Source/JavaScriptCore/wasm/WASMReader.cpp
+++ /dev/null
@@ -1,249 +0,0 @@
-/*
- * Copyright (C) 2015 Apple 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.
- *
- * =========================================================================
- *
- * Copyright (c) 2015 by the repository authors of
- * WebAssembly/polyfill-prototype-1.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "config.h"
-#include "WASMReader.h"
-
-#if ENABLE(WEBASSEMBLY)
-
-#include <wtf/text/StringBuilder.h>
-
-#define CHECK_READ(length) do { if (m_cursor + length > m_buffer.end()) return false; } while (0)
-
-namespace JSC {
-
-bool WASMReader::readUInt32(uint32_t& result)
-{
-    CHECK_READ(4);
-    result = m_cursor[0] | m_cursor[1] << 8 | m_cursor[2] << 16 | m_cursor[3] << 24;
-    m_cursor += 4;
-    return true;
-}
-
-bool WASMReader::readFloat(float& result)
-{
-    CHECK_READ(4);
-    union {
-        uint8_t bytes[4];
-        float floatValue;
-    } u = {
-#if CPU(BIG_ENDIAN)
-        { m_cursor[3], m_cursor[2], m_cursor[1], m_cursor[0] }
-#else
-        { m_cursor[0], m_cursor[1], m_cursor[2], m_cursor[3] }
-#endif
-    };
-    result = u.floatValue;
-    m_cursor += 4;
-    return true;
-}
-
-bool WASMReader::readDouble(double& result)
-{
-    CHECK_READ(8);
-    union {
-        uint8_t bytes[8];
-        double doubleValue;
-    } u = {
-#if CPU(BIG_ENDIAN)
-        { m_cursor[7], m_cursor[6], m_cursor[5], m_cursor[4], m_cursor[3], m_cursor[2], m_cursor[1], m_cursor[0] }
-#else
-        { m_cursor[0], m_cursor[1], m_cursor[2], m_cursor[3], m_cursor[4], m_cursor[5], m_cursor[6], m_cursor[7] }
-#endif
-    };
-    result = u.doubleValue;
-    m_cursor += 8;
-    return true;
-}
-
-bool WASMReader::readCompactInt32(uint32_t& result)
-{
-    uint32_t sum = 0;
-    unsigned shift = 0;
-    do {
-        CHECK_READ(1);
-        uint8_t byte = *m_cursor++;
-        if (byte < 0x80) {
-            sum |= byte << shift;
-            int signExtend = (32 - 7) - shift;
-            if (signExtend > 0)
-                result = int32_t(sum) << signExtend >> signExtend;
-            else
-                result = int32_t(sum);
-            return true;
-        }
-        sum |= (byte & firstSevenBitsMask) << shift;
-        shift += 7;
-    } while (shift < 35);
-    return false;
-}
-
-bool WASMReader::readCompactUInt32(uint32_t& result)
-{
-    uint32_t sum = 0;
-    unsigned shift = 0;
-    do {
-        CHECK_READ(1);
-        uint32_t byte = *m_cursor++;
-        if (byte < 0x80) {
-            if ((shift == 28 && byte >= 0x10) || (shift && !byte))
-                return false;
-            result = sum | (byte << shift);
-            return true;
-        }
-        sum |= (byte & firstSevenBitsMask) << shift;
-        shift += 7;
-    } while (shift < 35);
-    return false;
-}
-
-bool WASMReader::readString(String& result)
-{
-    StringBuilder builder;
-    while (true) {
-        CHECK_READ(1);
-        char c = *m_cursor++;
-        if (!c)
-            break;
-        builder.append(c);
-    }
-    result = builder.toString();
-    return true;
-}
-
-bool WASMReader::readType(WASMType& result)
-{
-    return readByte<WASMType>(result, static_cast<uint8_t>(WASMType::NumberOfTypes));
-}
-
-bool WASMReader::readExpressionType(WASMExpressionType& result)
-{
-    return readByte<WASMExpressionType>(result, static_cast<uint8_t>(WASMExpressionType::NumberOfExpressionTypes));
-}
-
-bool WASMReader::readExportFormat(WASMExportFormat& result)
-{
-    return readByte<WASMExportFormat>(result, static_cast<uint8_t>(WASMExportFormat::NumberOfExportFormats));
-}
-
-template <class T> bool WASMReader::readByte(T& result, uint8_t numberOfValues)
-{
-    CHECK_READ(1);
-    uint8_t byte = *m_cursor++;
-    if (byte >= numberOfValues)
-        return false;
-    result = T(byte);
-    return true;
-}
-
-bool WASMReader::readOpStatement(bool& hasImmediate, WASMOpStatement& op, WASMOpStatementWithImmediate& opWithImmediate, uint8_t& immediate)
-{
-    return readOp(hasImmediate, op, opWithImmediate, immediate,
-        static_cast<uint8_t>(WASMOpStatement::NumberOfWASMOpStatements),
-        static_cast<uint8_t>(WASMOpStatementWithImmediate::NumberOfWASMOpStatementWithImmediates));
-}
-
-bool WASMReader::readOpExpressionI32(bool& hasImmediate, WASMOpExpressionI32& op, WASMOpExpressionI32WithImmediate& opWithImmediate, uint8_t& immediate)
-{
-    return readOp(hasImmediate, op, opWithImmediate, immediate,
-        static_cast<uint8_t>(WASMOpExpressionI32::NumberOfWASMOpExpressionI32s),
-        static_cast<uint8_t>(WASMOpExpressionI32WithImmediate::NumberOfWASMOpExpressionI32WithImmediates));
-}
-
-bool WASMReader::readOpExpressionF32(bool& hasImmediate, WASMOpExpressionF32& op, WASMOpExpressionF32WithImmediate& opWithImmediate, uint8_t& immediate)
-{
-    return readOp(hasImmediate, op, opWithImmediate, immediate,
-        static_cast<uint8_t>(WASMOpExpressionF32::NumberOfWASMOpExpressionF32s),
-        static_cast<uint8_t>(WASMOpExpressionF32WithImmediate::NumberOfWASMOpExpressionF32WithImmediates));
-}
-
-bool WASMReader::readOpExpressionF64(bool& hasImmediate, WASMOpExpressionF64& op, WASMOpExpressionF64WithImmediate& opWithImmediate, uint8_t& immediate)
-{
-    return readOp(hasImmediate, op, opWithImmediate, immediate,
-        static_cast<uint8_t>(WASMOpExpressionF64::NumberOfWASMOpExpressionF64s),
-        static_cast<uint8_t>(WASMOpExpressionF64WithImmediate::NumberOfWASMOpExpressionF64WithImmediates));
-}
-
-bool WASMReader::readOpExpressionVoid(WASMOpExpressionVoid& op)
-{
-    return readByte<WASMOpExpressionVoid>(op,
-        static_cast<uint8_t>(WASMOpExpressionVoid::NumberOfWASMOpExpressionVoids));
-}
-
-bool WASMReader::readVariableTypes(bool& hasImmediate, WASMVariableTypes& variableTypes, WASMVariableTypesWithImmediate& variableTypesWithImmediate, uint8_t& immediate)
-{
-    return readOp(hasImmediate, variableTypes, variableTypesWithImmediate, immediate,
-        static_cast<uint8_t>(WASMVariableTypes::NumberOfVariableTypes),
-        static_cast<uint8_t>(WASMVariableTypesWithImmediate::NumberOfVariableTypesWithImmediates));
-}
-
-template <class T, class TWithImmediate>
-bool WASMReader::readOp(bool& hasImmediate, T& op, TWithImmediate& opWithImmediate, uint8_t& immediate, uint8_t numberOfValues, uint8_t numberOfValuesWithImmediate)
-{
-    CHECK_READ(1);
-    uint8_t byte = *m_cursor++;
-
-    if (!(byte & hasImmediateInOpFlag)) {
-        if (byte >= numberOfValues)
-            return false;
-        hasImmediate = false;
-        op = T(byte);
-        return true;
-    }
-
-    uint8_t byteWithoutImmediate = (byte >> immediateBits) & (opWithImmediateLimit - 1);
-    if (byteWithoutImmediate >= numberOfValuesWithImmediate)
-        return false;
-    hasImmediate = true;
-    opWithImmediate = TWithImmediate(byteWithoutImmediate);
-    immediate = byte & (immediateLimit - 1);
-    return true;
-}
-
-bool WASMReader::readSwitchCase(WASMSwitchCase& result)
-{
-    return readByte<WASMSwitchCase>(result, static_cast<uint8_t>(WASMSwitchCase::NumberOfSwitchCases));
-}
-
-} // namespace JSC
-
-#endif // ENABLE(WEBASSEMBLY)