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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #include <stdarg.h> | 28 #include <stdarg.h> |
29 #include <sys/stat.h> | |
30 | 29 |
31 #include "v8.h" | 30 #include "v8.h" |
32 | 31 |
33 #include "checks.h" | |
34 #include "platform.h" | 32 #include "platform.h" |
35 #include "utils.h" | 33 |
| 34 #include "sys/stat.h" |
36 | 35 |
37 namespace v8 { | 36 namespace v8 { |
38 namespace internal { | 37 namespace internal { |
39 | 38 |
40 | 39 |
41 SimpleStringBuilder::SimpleStringBuilder(int size) { | |
42 buffer_ = Vector<char>::New(size); | |
43 position_ = 0; | |
44 } | |
45 | |
46 | |
47 void SimpleStringBuilder::AddString(const char* s) { | |
48 AddSubstring(s, StrLength(s)); | |
49 } | |
50 | |
51 | |
52 void SimpleStringBuilder::AddSubstring(const char* s, int n) { | |
53 ASSERT(!is_finalized() && position_ + n <= buffer_.length()); | |
54 ASSERT(static_cast<size_t>(n) <= strlen(s)); | |
55 OS::MemCopy(&buffer_[position_], s, n * kCharSize); | |
56 position_ += n; | |
57 } | |
58 | |
59 | |
60 void SimpleStringBuilder::AddPadding(char c, int count) { | |
61 for (int i = 0; i < count; i++) { | |
62 AddCharacter(c); | |
63 } | |
64 } | |
65 | |
66 | |
67 void SimpleStringBuilder::AddDecimalInteger(int32_t value) { | |
68 uint32_t number = static_cast<uint32_t>(value); | |
69 if (value < 0) { | |
70 AddCharacter('-'); | |
71 number = static_cast<uint32_t>(-value); | |
72 } | |
73 int digits = 1; | |
74 for (uint32_t factor = 10; digits < 10; digits++, factor *= 10) { | |
75 if (factor > number) break; | |
76 } | |
77 position_ += digits; | |
78 for (int i = 1; i <= digits; i++) { | |
79 buffer_[position_ - i] = '0' + static_cast<char>(number % 10); | |
80 number /= 10; | |
81 } | |
82 } | |
83 | |
84 | |
85 char* SimpleStringBuilder::Finalize() { | |
86 ASSERT(!is_finalized() && position_ <= buffer_.length()); | |
87 // If there is no space for null termination, overwrite last character. | |
88 if (position_ == buffer_.length()) { | |
89 position_--; | |
90 // Print ellipsis. | |
91 for (int i = 3; i > 0 && position_ > i; --i) buffer_[position_ - i] = '.'; | |
92 } | |
93 buffer_[position_] = '\0'; | |
94 // Make sure nobody managed to add a 0-character to the | |
95 // buffer while building the string. | |
96 ASSERT(strlen(buffer_.start()) == static_cast<size_t>(position_)); | |
97 position_ = -1; | |
98 ASSERT(is_finalized()); | |
99 return buffer_.start(); | |
100 } | |
101 | |
102 | |
103 void PrintF(const char* format, ...) { | 40 void PrintF(const char* format, ...) { |
104 va_list arguments; | 41 va_list arguments; |
105 va_start(arguments, format); | 42 va_start(arguments, format); |
106 OS::VPrint(format, arguments); | 43 OS::VPrint(format, arguments); |
107 va_end(arguments); | 44 va_end(arguments); |
108 } | 45 } |
109 | 46 |
110 | 47 |
111 void PrintF(FILE* out, const char* format, ...) { | 48 void PrintF(FILE* out, const char* format, ...) { |
112 va_list arguments; | 49 va_list arguments; |
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329 void StringBuilder::AddFormattedList(const char* format, va_list list) { | 266 void StringBuilder::AddFormattedList(const char* format, va_list list) { |
330 ASSERT(!is_finalized() && position_ <= buffer_.length()); | 267 ASSERT(!is_finalized() && position_ <= buffer_.length()); |
331 int n = OS::VSNPrintF(buffer_ + position_, format, list); | 268 int n = OS::VSNPrintF(buffer_ + position_, format, list); |
332 if (n < 0 || n >= (buffer_.length() - position_)) { | 269 if (n < 0 || n >= (buffer_.length() - position_)) { |
333 position_ = buffer_.length(); | 270 position_ = buffer_.length(); |
334 } else { | 271 } else { |
335 position_ += n; | 272 position_ += n; |
336 } | 273 } |
337 } | 274 } |
338 | 275 |
339 | |
340 } } // namespace v8::internal | 276 } } // namespace v8::internal |
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