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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <stdarg.h> | 5 #include <stdarg.h> |
6 #include <sys/stat.h> | 6 #include <sys/stat.h> |
7 | 7 |
8 #include "src/v8.h" | 8 #include "src/v8.h" |
9 | 9 |
10 #include "src/base/logging.h" | 10 #include "src/base/logging.h" |
11 #include "src/base/platform/platform.h" | 11 #include "src/base/platform/platform.h" |
12 #include "src/utils.h" | 12 #include "src/utils.h" |
13 | 13 |
14 namespace v8 { | 14 namespace v8 { |
15 namespace internal { | 15 namespace internal { |
16 | 16 |
17 | 17 |
18 SimpleStringBuilder::SimpleStringBuilder(int size) { | 18 SimpleStringBuilder::SimpleStringBuilder(int size) { |
19 buffer_ = Vector<char>::New(size); | 19 buffer_ = Vector<char>::New(size); |
20 position_ = 0; | 20 position_ = 0; |
21 } | 21 } |
22 | 22 |
23 | 23 |
24 void SimpleStringBuilder::AddString(const char* s) { | 24 void SimpleStringBuilder::AddString(const char* s) { |
25 AddSubstring(s, StrLength(s)); | 25 AddSubstring(s, StrLength(s)); |
26 } | 26 } |
27 | 27 |
28 | 28 |
29 void SimpleStringBuilder::AddSubstring(const char* s, int n) { | 29 void SimpleStringBuilder::AddSubstring(const char* s, int n) { |
30 ASSERT(!is_finalized() && position_ + n <= buffer_.length()); | 30 DCHECK(!is_finalized() && position_ + n <= buffer_.length()); |
31 ASSERT(static_cast<size_t>(n) <= strlen(s)); | 31 DCHECK(static_cast<size_t>(n) <= strlen(s)); |
32 MemCopy(&buffer_[position_], s, n * kCharSize); | 32 MemCopy(&buffer_[position_], s, n * kCharSize); |
33 position_ += n; | 33 position_ += n; |
34 } | 34 } |
35 | 35 |
36 | 36 |
37 void SimpleStringBuilder::AddPadding(char c, int count) { | 37 void SimpleStringBuilder::AddPadding(char c, int count) { |
38 for (int i = 0; i < count; i++) { | 38 for (int i = 0; i < count; i++) { |
39 AddCharacter(c); | 39 AddCharacter(c); |
40 } | 40 } |
41 } | 41 } |
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53 } | 53 } |
54 position_ += digits; | 54 position_ += digits; |
55 for (int i = 1; i <= digits; i++) { | 55 for (int i = 1; i <= digits; i++) { |
56 buffer_[position_ - i] = '0' + static_cast<char>(number % 10); | 56 buffer_[position_ - i] = '0' + static_cast<char>(number % 10); |
57 number /= 10; | 57 number /= 10; |
58 } | 58 } |
59 } | 59 } |
60 | 60 |
61 | 61 |
62 char* SimpleStringBuilder::Finalize() { | 62 char* SimpleStringBuilder::Finalize() { |
63 ASSERT(!is_finalized() && position_ <= buffer_.length()); | 63 DCHECK(!is_finalized() && position_ <= buffer_.length()); |
64 // If there is no space for null termination, overwrite last character. | 64 // If there is no space for null termination, overwrite last character. |
65 if (position_ == buffer_.length()) { | 65 if (position_ == buffer_.length()) { |
66 position_--; | 66 position_--; |
67 // Print ellipsis. | 67 // Print ellipsis. |
68 for (int i = 3; i > 0 && position_ > i; --i) buffer_[position_ - i] = '.'; | 68 for (int i = 3; i > 0 && position_ > i; --i) buffer_[position_ - i] = '.'; |
69 } | 69 } |
70 buffer_[position_] = '\0'; | 70 buffer_[position_] = '\0'; |
71 // Make sure nobody managed to add a 0-character to the | 71 // Make sure nobody managed to add a 0-character to the |
72 // buffer while building the string. | 72 // buffer while building the string. |
73 ASSERT(strlen(buffer_.start()) == static_cast<size_t>(position_)); | 73 DCHECK(strlen(buffer_.start()) == static_cast<size_t>(position_)); |
74 position_ = -1; | 74 position_ = -1; |
75 ASSERT(is_finalized()); | 75 DCHECK(is_finalized()); |
76 return buffer_.start(); | 76 return buffer_.start(); |
77 } | 77 } |
78 | 78 |
79 | 79 |
80 void PrintF(const char* format, ...) { | 80 void PrintF(const char* format, ...) { |
81 va_list arguments; | 81 va_list arguments; |
82 va_start(arguments, format); | 82 va_start(arguments, format); |
83 base::OS::VPrint(format, arguments); | 83 base::OS::VPrint(format, arguments); |
84 va_end(arguments); | 84 va_end(arguments); |
85 } | 85 } |
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165 // Copy the existing input into the new array and set the new | 165 // Copy the existing input into the new array and set the new |
166 // array as the result. | 166 // array as the result. |
167 MemCopy(new_result, result, offset * kCharSize); | 167 MemCopy(new_result, result, offset * kCharSize); |
168 DeleteArray(result); | 168 DeleteArray(result); |
169 result = new_result; | 169 result = new_result; |
170 } | 170 } |
171 // Copy the newly read line into the result. | 171 // Copy the newly read line into the result. |
172 MemCopy(result + offset, line_buf, len * kCharSize); | 172 MemCopy(result + offset, line_buf, len * kCharSize); |
173 offset += len; | 173 offset += len; |
174 } | 174 } |
175 ASSERT(result != NULL); | 175 DCHECK(result != NULL); |
176 result[offset] = '\0'; | 176 result[offset] = '\0'; |
177 return result; | 177 return result; |
178 } | 178 } |
179 | 179 |
180 | 180 |
181 char* ReadCharsFromFile(FILE* file, | 181 char* ReadCharsFromFile(FILE* file, |
182 int* size, | 182 int* size, |
183 int extra_space, | 183 int extra_space, |
184 bool verbose, | 184 bool verbose, |
185 const char* filename) { | 185 const char* filename) { |
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316 | 316 |
317 void StringBuilder::AddFormatted(const char* format, ...) { | 317 void StringBuilder::AddFormatted(const char* format, ...) { |
318 va_list arguments; | 318 va_list arguments; |
319 va_start(arguments, format); | 319 va_start(arguments, format); |
320 AddFormattedList(format, arguments); | 320 AddFormattedList(format, arguments); |
321 va_end(arguments); | 321 va_end(arguments); |
322 } | 322 } |
323 | 323 |
324 | 324 |
325 void StringBuilder::AddFormattedList(const char* format, va_list list) { | 325 void StringBuilder::AddFormattedList(const char* format, va_list list) { |
326 ASSERT(!is_finalized() && position_ <= buffer_.length()); | 326 DCHECK(!is_finalized() && position_ <= buffer_.length()); |
327 int n = VSNPrintF(buffer_ + position_, format, list); | 327 int n = VSNPrintF(buffer_ + position_, format, list); |
328 if (n < 0 || n >= (buffer_.length() - position_)) { | 328 if (n < 0 || n >= (buffer_.length() - position_)) { |
329 position_ = buffer_.length(); | 329 position_ = buffer_.length(); |
330 } else { | 330 } else { |
331 position_ += n; | 331 position_ += n; |
332 } | 332 } |
333 } | 333 } |
334 | 334 |
335 | 335 |
336 #if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X87 | 336 #if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X87 |
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408 } | 408 } |
409 if (u.bits.exp == 0) { | 409 if (u.bits.exp == 0) { |
410 // Detect +0, and -0 for IEEE double precision floating point. | 410 // Detect +0, and -0 for IEEE double precision floating point. |
411 if ((u.bits.man_low | u.bits.man_high) == 0) return false; | 411 if ((u.bits.man_low | u.bits.man_high) == 0) return false; |
412 } | 412 } |
413 return true; | 413 return true; |
414 } | 414 } |
415 | 415 |
416 | 416 |
417 } } // namespace v8::internal | 417 } } // namespace v8::internal |
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