The Tor Browser: mfbt/decimal/to-moz-dependencies.patch@6474c204b198 (annotated)

mfbt/decimal/to-moz-dependencies.patch@6474c204b198 (annotated)

mfbt/decimal/to-moz-dependencies.patch

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 diff --git a/mfbt/decimal/Decimal.cpp b/mfbt/decimal/Decimal.cpp
 --- a/mfbt/decimal/Decimal.cpp
 +++ b/mfbt/decimal/Decimal.cpp
@@ -23,26 +23,23 @@
   * 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 "Decimal.h"
 +#include "moz-decimal-utils.h"
  #include <algorithm>
  #include <float.h>
 -#include <wtf/Assertions.h>
 -#include <wtf/MathExtras.h>
 -#include <wtf/Noncopyable.h>
 -#include <wtf/text/StringBuilder.h>
 +using namespace moz_decimal_utils;
  namespace WebCore {
  namespace DecimalPrivate {
  static int const ExponentMax = 1023;
  static int const ExponentMin = -1023;
  static int const Precision = 18;
@@ -685,17 +682,17 @@ Decimal Decimal::floor() const
          result += 1;
      }
      return Decimal(sign(), 0, result);
  }
  Decimal Decimal::fromDouble(double doubleValue)
  {
      if (std::isfinite(doubleValue))
 -        return fromString(String::numberToStringECMAScript(doubleValue));
 +        return fromString(mozToString(doubleValue));
      if (std::isinf(doubleValue))
          return infinity(doubleValue < 0 ? Negative : Positive);
      return nan();
  }
  Decimal Decimal::fromString(const String& str)
@@ -937,17 +934,17 @@ Decimal Decimal::round() const
      result /= 10;
      return Decimal(sign(), 0, result);
  }
  double Decimal::toDouble() const
  {
      if (isFinite()) {
          bool valid;
 -        const double doubleValue = toString().toDouble(&valid);
 +        const double doubleValue = mozToDouble(toString(), &valid);
          return valid ? doubleValue : std::numeric_limits<double>::quiet_NaN();
      }
      if (isInfinity())
          return isNegative() ? -std::numeric_limits<double>::infinity() : std::numeric_limits<double>::infinity();
      return std::numeric_limits<double>::quiet_NaN();
  }
@@ -990,17 +987,17 @@ String Decimal::toString() const
              ++coefficient;
          while (originalExponent < 0 && coefficient && !(coefficient % 10)) {
              coefficient /= 10;
              ++originalExponent;
          }
      }
 -    const String digits = String::number(coefficient);
 +    const String digits = mozToString(coefficient);
      int coefficientLength = static_cast<int>(digits.length());
      const int adjustedExponent = originalExponent + coefficientLength - 1;
      if (originalExponent <= 0 && adjustedExponent >= -6) {
          if (!originalExponent) {
              builder.append(digits);
              return builder.toString();
          }
@@ -1032,15 +1029,28 @@ String Decimal::toString() const
          if (adjustedExponent) {
              builder.append(adjustedExponent < 0 ? "e" : "e+");
              builder.appendNumber(adjustedExponent);
          }
      }
      return builder.toString();
  }
 +bool Decimal::toString(char* strBuf, size_t bufLength) const
 +{
 +  ASSERT(bufLength > 0);
 +  String str = toString();
 +  size_t length = str.copy(strBuf, bufLength);
 +  if (length < bufLength) {
 +    strBuf[length] = '\0';
 +    return true;
 +  }
 +  strBuf[bufLength - 1] = '\0';
 +  return false;
 +}
 +
  Decimal Decimal::zero(Sign sign)
  {
      return Decimal(EncodedData(sign, EncodedData::ClassZero));
  }
  } // namespace WebCore
 diff --git a/mfbt/decimal/Decimal.h b/mfbt/decimal/Decimal.h
 --- a/mfbt/decimal/Decimal.h
 +++ b/mfbt/decimal/Decimal.h
@@ -23,24 +23,41 @@
   * 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.
   */
 +/**
 + * Imported from:
 + * http://src.chromium.org/viewvc/blink/trunk/Source/core/platform/Decimal.h
 + * Check hg log for the svn rev of the last update from Blink core.
 + */
 +
  #ifndef Decimal_h
  #define Decimal_h
 +#include "mozilla/Assertions.h"
 +#include <stdint.h>
  #include "mozilla/Types.h"
 -#include <stdint.h>
 -#include <wtf/Assertions.h>
 -#include <wtf/text/WTFString.h>
 +#include <string>
 +
 +#ifndef ASSERT
 +#define DEFINED_ASSERT_FOR_DECIMAL_H 1
 +#define ASSERT MOZ_ASSERT
 +#endif
 +
 +// To use WTF_MAKE_FAST_ALLOCATED we'd need:
 +// http://src.chromium.org/viewvc/blink/trunk/Source/wtf/FastMalloc.h
 +// Since we don't allocate Decimal objects, no need.
 +#define WTF_MAKE_FAST_ALLOCATED \
 +  void ignore_this_dummy_method() MOZ_DELETE
  namespace WebCore {
  namespace DecimalPrivate {
  class SpecialValueHandler;
  }
  // This class represents decimal base floating point number.
@@ -136,27 +153,28 @@ public:
      MFBT_API Decimal abs() const;
      MFBT_API Decimal ceiling() const;
      MFBT_API Decimal floor() const;
      MFBT_API Decimal remainder(const Decimal&) const;
      MFBT_API Decimal round() const;
      MFBT_API double toDouble() const;
      // Note: toString method supports infinity and nan but fromString not.
 -    MFBT_API String toString() const;
 +    MFBT_API std::string toString() const;
 +    MFBT_API bool toString(char* strBuf, size_t bufLength) const;
      static MFBT_API Decimal fromDouble(double);
      // fromString supports following syntax EBNF:
      //  number ::= sign? digit+ ('.' digit*) (exponent-marker sign? digit+)?
      //          | sign? '.' digit+ (exponent-marker sign? digit+)?
      //  sign ::= '+' | '-'
      //  exponent-marker ::= 'e' | 'E'
      //  digit ::= '0' | '1' | ... | '9'
      // Note: fromString doesn't support "infinity" and "nan".
 -    static MFBT_API Decimal fromString(const String&);
 +    static MFBT_API Decimal fromString(const std::string& aValue);
      static MFBT_API Decimal infinity(Sign);
      static MFBT_API Decimal nan();
      static MFBT_API Decimal zero(Sign);
      // You should not use below methods. We expose them for unit testing.
      MFBT_API explicit Decimal(const EncodedData&);
      const EncodedData& value() const { return m_data; }
@@ -175,10 +193,21 @@ private:
      Sign sign() const { return m_data.sign(); }
      EncodedData m_data;
  };
  } // namespace WebCore
 +namespace mozilla {
 +  typedef WebCore::Decimal Decimal;
 +}
 +
 +#undef WTF_MAKE_FAST_ALLOCATED
 +
 +#ifdef DEFINED_ASSERT_FOR_DECIMAL_H
 +#undef DEFINED_ASSERT_FOR_DECIMAL_H
 +#undef ASSERT
 +#endif
 +
  #endif // Decimal_h

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mfbt/decimal/to-moz-dependencies.patch@6474c204b198 (annotated)

mfbt/decimal/to-moz-dependencies.patch