LCOV - code coverage report
Current view: directory - js/src/v8-dtoa - utils.cc (source / functions) Found Hit Coverage
Test: app.info Lines: 33 33 100.0 %
Date: 2012-06-02 Functions: 5 5 100.0 %

       1                 : // Copyright 2006-2008 the V8 project authors. All rights reserved.
       2                 : // Redistribution and use in source and binary forms, with or without
       3                 : // modification, are permitted provided that the following conditions are
       4                 : // met:
       5                 : //
       6                 : //     * Redistributions of source code must retain the above copyright
       7                 : //       notice, this list of conditions and the following disclaimer.
       8                 : //     * Redistributions in binary form must reproduce the above
       9                 : //       copyright notice, this list of conditions and the following
      10                 : //       disclaimer in the documentation and/or other materials provided
      11                 : //       with the distribution.
      12                 : //     * Neither the name of Google Inc. nor the names of its
      13                 : //       contributors may be used to endorse or promote products derived
      14                 : //       from this software without specific prior written permission.
      15                 : //
      16                 : // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      17                 : // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      18                 : // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      19                 : // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      20                 : // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      21                 : // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      22                 : // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      23                 : // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      24                 : // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      25                 : // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      26                 : // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      27                 : 
      28                 : #include <stdarg.h>
      29                 : 
      30                 : #include "v8.h"
      31                 : 
      32                 : #include "platform.h"
      33                 : 
      34                 : #include "sys/stat.h"
      35                 : 
      36                 : namespace v8 {
      37                 : namespace internal {
      38                 : 
      39          353510 : void StringBuilder::AddString(const char* s) {
      40          353510 :   AddSubstring(s, StrLength(s));
      41          353510 : }
      42                 : 
      43                 : 
      44          393324 : void StringBuilder::AddSubstring(const char* s, int n) {
      45          393324 :   ASSERT(!is_finalized() && position_ + n < buffer_.length());
      46          393324 :   ASSERT(static_cast<size_t>(n) <= strlen(s));
      47          393324 :   memcpy(&buffer_[position_], s, n * kCharSize);
      48          393324 :   position_ += n;
      49          393324 : }
      50                 : 
      51                 : 
      52                 : // MOZ: This is not from V8.  See DoubleToCString() for details.
      53           57600 : void StringBuilder::AddInteger(int n) {
      54           57600 :   ASSERT(!is_finalized() && position_ < buffer_.length());
      55                 :   // Get the number of digits. 
      56           57600 :   int ndigits = 0;
      57           57600 :   int n2 = n;
      58          115173 :   do {
      59          115173 :     ndigits++;
      60          115173 :     n2 /= 10; 
      61                 :   } while (n2);
      62                 : 
      63                 :   // Add the integer string backwards.
      64           57600 :   position_ += ndigits;
      65           57600 :   int i = position_;
      66          115173 :   do {
      67          115173 :     buffer_[--i] = '0' + (n % 10);
      68          115173 :     n /= 10;
      69                 :   } while (n);
      70           57600 : }
      71                 : 
      72                 : 
      73          146467 : void StringBuilder::AddPadding(char c, int count) {
      74          213988 :   for (int i = 0; i < count; i++) {
      75           67521 :     AddCharacter(c);
      76                 :   }
      77          146467 : }
      78                 : 
      79                 : 
      80          279511 : char* StringBuilder::Finalize() {
      81          279511 :   ASSERT(!is_finalized() && position_ < buffer_.length());
      82          279511 :   buffer_[position_] = '\0';
      83                 :   // Make sure nobody managed to add a 0-character to the
      84                 :   // buffer while building the string.
      85          279511 :   ASSERT(strlen(buffer_.start()) == static_cast<size_t>(position_));
      86          279511 :   position_ = -1;
      87          279511 :   ASSERT(is_finalized());
      88          279511 :   return buffer_.start();
      89                 : }
      90                 : 
      91                 : } }  // namespace v8::internal

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