LCOV - app.info - js/src/v8-dtoa/utils.cc

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: | 2012-04-07 | 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          307541 : void StringBuilder::AddString(const char* s) {
          40          307541 :   AddSubstring(s, StrLength(s));
          41          307541 : }
          42                 :
          43                 :
          44          340706 : void StringBuilder::AddSubstring(const char* s, int n) {
          45          340706 :   ASSERT(!is_finalized() && position_ + n < buffer_.length());
          46          340706 :   ASSERT(static_cast<size_t>(n) <= strlen(s));
          47          340706 :   memcpy(&buffer_[position_], s, n * kCharSize);
          48          340706 :   position_ += n;
          49          340706 : }
          50                 :
          51                 :
          52                 : // MOZ: This is not from V8.  See DoubleToCString() for details.
          53           57582 : void StringBuilder::AddInteger(int n) {
          54           57582 :   ASSERT(!is_finalized() && position_ < buffer_.length());
          55                 :   // Get the number of digits.
          56           57582 :   int ndigits = 0;
          57           57582 :   int n2 = n;
          58          115137 :   do {
          59          115137 :     ndigits++;
          60          115137 :     n2 /= 10;
          61                 :   } while (n2);
          62                 :
          63                 :   // Add the integer string backwards.
          64           57582 :   position_ += ndigits;
          65           57582 :   int i = position_;
          66          115137 :   do {
          67          115137 :     buffer_[--i] = '0' + (n % 10);
          68          115137 :     n /= 10;
          69                 :   } while (n);
          70           57582 : }
          71                 :
          72                 :
          73          108812 : void StringBuilder::AddPadding(char c, int count) {
          74          159861 :   for (int i = 0; i < count; i++) {
          75           51049 :     AddCharacter(c);
          76                 :   }
          77          108812 : }
          78                 :
          79                 :
          80          234994 : char* StringBuilder::Finalize() {
          81          234994 :   ASSERT(!is_finalized() && position_ < buffer_.length());
          82          234994 :   buffer_[position_] = '\0';
          83                 :   // Make sure nobody managed to add a 0-character to the
          84                 :   // buffer while building the string.
          85          234994 :   ASSERT(strlen(buffer_.start()) == static_cast<size_t>(position_));
          86          234994 :   position_ = -1;
          87          234994 :   ASSERT(is_finalized());
          88          234994 :   return buffer_.start();
          89                 : }
          90                 :
          91                 : } }  // namespace v8::internal

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