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| 1 // Copyright 2013 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 <assert.h> | |
| 29 #include <string.h> | |
| 30 #include <stdio.h> | |
| 31 #include <stdlib.h> | |
| 32 #include <string> | |
| 33 #include <vector> | |
| 34 #include "src/v8.h" | |
| 35 | |
| 36 #include "include/libplatform/libplatform.h" | |
| 37 #include "src/api.h" | |
| 38 #include "src/base/platform/platform.h" | |
| 39 #include "src/messages.h" | |
| 40 #include "src/runtime/runtime.h" | |
| 41 #include "src/scanner-character-streams.h" | |
| 42 #include "src/scopeinfo.h" | |
| 43 #include "tools/shell-utils.h" | |
| 44 #include "src/string-stream.h" | |
| 45 #include "src/scanner.h" | |
| 46 | |
| 47 | |
| 48 using namespace v8::internal; | |
| 49 | |
| 50 | |
| 51 class BaselineScanner { | |
| 52 public: | |
| 53 BaselineScanner(const char* fname, | |
| 54 Isolate* isolate, | |
| 55 Encoding encoding, | |
| 56 v8::base::ElapsedTimer* timer, | |
| 57 int repeat) | |
| 58 : stream_(NULL) { | |
| 59 int length = 0; | |
| 60 source_ = ReadFileAndRepeat(fname, &length, repeat); | |
| 61 unicode_cache_ = new UnicodeCache(); | |
| 62 scanner_ = new Scanner(unicode_cache_); | |
| 63 switch (encoding) { | |
| 64 case UTF8: | |
| 65 stream_ = new Utf8ToUtf16CharacterStream(source_, length); | |
| 66 break; | |
| 67 case UTF16: { | |
| 68 Handle<String> result = isolate->factory()->NewStringFromTwoByte( | |
| 69 Vector<const uint16_t>( | |
| 70 reinterpret_cast<const uint16_t*>(source_), | |
| 71 length / 2)).ToHandleChecked(); | |
| 72 stream_ = | |
| 73 new GenericStringUtf16CharacterStream(result, 0, result->length()); | |
| 74 break; | |
| 75 } | |
| 76 case LATIN1: { | |
| 77 Handle<String> result = isolate->factory()->NewStringFromOneByte( | |
| 78 Vector<const uint8_t>(source_, length)).ToHandleChecked(); | |
| 79 stream_ = | |
| 80 new GenericStringUtf16CharacterStream(result, 0, result->length()); | |
| 81 break; | |
| 82 } | |
| 83 } | |
| 84 timer->Start(); | |
| 85 scanner_->Initialize(stream_); | |
| 86 } | |
| 87 | |
| 88 ~BaselineScanner() { | |
| 89 delete scanner_; | |
| 90 delete stream_; | |
| 91 delete unicode_cache_; | |
| 92 delete[] source_; | |
| 93 } | |
| 94 | |
| 95 Token::Value Next(int* beg_pos, int* end_pos) { | |
| 96 Token::Value res = scanner_->Next(); | |
| 97 *beg_pos = scanner_->location().beg_pos; | |
| 98 *end_pos = scanner_->location().end_pos; | |
| 99 return res; | |
| 100 } | |
| 101 | |
| 102 private: | |
| 103 UnicodeCache* unicode_cache_; | |
| 104 Scanner* scanner_; | |
| 105 const byte* source_; | |
| 106 BufferedUtf16CharacterStream* stream_; | |
| 107 }; | |
| 108 | |
| 109 | |
| 110 struct TokenWithLocation { | |
| 111 Token::Value value; | |
| 112 size_t beg; | |
| 113 size_t end; | |
| 114 TokenWithLocation() : value(Token::ILLEGAL), beg(0), end(0) { } | |
| 115 TokenWithLocation(Token::Value value, size_t beg, size_t end) : | |
| 116 value(value), beg(beg), end(end) { } | |
| 117 bool operator==(const TokenWithLocation& other) { | |
| 118 return value == other.value && beg == other.beg && end == other.end; | |
| 119 } | |
| 120 bool operator!=(const TokenWithLocation& other) { | |
| 121 return !(*this == other); | |
| 122 } | |
| 123 void Print(const char* prefix) const { | |
| 124 printf("%s %11s at (%d, %d)\n", | |
| 125 prefix, Token::Name(value), | |
| 126 static_cast<int>(beg), static_cast<int>(end)); | |
| 127 } | |
| 128 }; | |
| 129 | |
| 130 | |
| 131 v8::base::TimeDelta RunBaselineScanner(const char* fname, Isolate* isolate, | |
| 132 Encoding encoding, bool dump_tokens, | |
| 133 std::vector<TokenWithLocation>* tokens, | |
| 134 int repeat) { | |
| 135 v8::base::ElapsedTimer timer; | |
| 136 BaselineScanner scanner(fname, isolate, encoding, &timer, repeat); | |
| 137 Token::Value token; | |
| 138 int beg, end; | |
| 139 do { | |
| 140 token = scanner.Next(&beg, &end); | |
| 141 if (dump_tokens) { | |
| 142 tokens->push_back(TokenWithLocation(token, beg, end)); | |
| 143 } | |
| 144 } while (token != Token::EOS); | |
| 145 return timer.Elapsed(); | |
| 146 } | |
| 147 | |
| 148 | |
| 149 void PrintTokens(const char* name, | |
| 150 const std::vector<TokenWithLocation>& tokens) { | |
| 151 printf("No of tokens: %d\n", | |
| 152 static_cast<int>(tokens.size())); | |
| 153 printf("%s:\n", name); | |
| 154 for (size_t i = 0; i < tokens.size(); ++i) { | |
| 155 tokens[i].Print("=>"); | |
| 156 } | |
| 157 } | |
| 158 | |
| 159 | |
| 160 v8::base::TimeDelta ProcessFile( | |
| 161 const char* fname, | |
| 162 Encoding encoding, | |
| 163 Isolate* isolate, | |
| 164 bool print_tokens, | |
| 165 int repeat) { | |
| 166 if (print_tokens) { | |
| 167 printf("Processing file %s\n", fname); | |
| 168 } | |
| 169 HandleScope handle_scope(isolate); | |
| 170 std::vector<TokenWithLocation> baseline_tokens; | |
| 171 v8::base::TimeDelta baseline_time; | |
| 172 baseline_time = RunBaselineScanner( | |
| 173 fname, isolate, encoding, print_tokens, | |
| 174 &baseline_tokens, repeat); | |
| 175 if (print_tokens) { | |
| 176 PrintTokens("Baseline", baseline_tokens); | |
| 177 } | |
| 178 return baseline_time; | |
| 179 } | |
| 180 | |
| 181 | |
| 182 int main(int argc, char* argv[]) { | |
| 183 v8::V8::SetFlagsFromCommandLine(&argc, argv, true); | |
| 184 v8::V8::InitializeICU(); | |
| 185 v8::Platform* platform = v8::platform::CreateDefaultPlatform(); | |
| 186 v8::V8::InitializePlatform(platform); | |
| 187 v8::V8::Initialize(); | |
| 188 Encoding encoding = LATIN1; | |
| 189 bool print_tokens = false; | |
| 190 std::vector<std::string> fnames; | |
| 191 std::string benchmark; | |
| 192 int repeat = 1; | |
| 193 for (int i = 0; i < argc; ++i) { | |
| 194 if (strcmp(argv[i], "--latin1") == 0) { | |
| 195 encoding = LATIN1; | |
| 196 } else if (strcmp(argv[i], "--utf8") == 0) { | |
| 197 encoding = UTF8; | |
| 198 } else if (strcmp(argv[i], "--utf16") == 0) { | |
| 199 encoding = UTF16; | |
| 200 } else if (strcmp(argv[i], "--print-tokens") == 0) { | |
| 201 print_tokens = true; | |
| 202 } else if (strncmp(argv[i], "--benchmark=", 12) == 0) { | |
| 203 benchmark = std::string(argv[i]).substr(12); | |
| 204 } else if (strncmp(argv[i], "--repeat=", 9) == 0) { | |
| 205 std::string repeat_str = std::string(argv[i]).substr(9); | |
| 206 repeat = atoi(repeat_str.c_str()); | |
| 207 } else if (i > 0 && argv[i][0] != '-') { | |
| 208 fnames.push_back(std::string(argv[i])); | |
| 209 } | |
| 210 } | |
| 211 v8::Isolate* isolate = v8::Isolate::New(); | |
| 212 { | |
| 213 v8::Isolate::Scope isolate_scope(isolate); | |
| 214 v8::HandleScope handle_scope(isolate); | |
| 215 v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New(isolate); | |
| 216 v8::Local<v8::Context> context = v8::Context::New(isolate, NULL, global); | |
| 217 DCHECK(!context.IsEmpty()); | |
| 218 { | |
| 219 v8::Context::Scope scope(context); | |
| 220 double baseline_total = 0; | |
| 221 for (size_t i = 0; i < fnames.size(); i++) { | |
| 222 v8::base::TimeDelta time; | |
| 223 time = ProcessFile(fnames[i].c_str(), encoding, | |
| 224 reinterpret_cast<Isolate*>(isolate), print_tokens, | |
| 225 repeat); | |
| 226 baseline_total += time.InMillisecondsF(); | |
| 227 } | |
| 228 if (benchmark.empty()) benchmark = "Baseline"; | |
| 229 printf("%s(RunTime): %.f ms\n", benchmark.c_str(), baseline_total); | |
| 230 } | |
| 231 } | |
| 232 v8::V8::Dispose(); | |
| 233 v8::V8::ShutdownPlatform(); | |
| 234 delete platform; | |
| 235 return 0; | |
| 236 } | |
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Chromium Code Reviews
Issue 658633003:
Remove deprecated lexer-shell. (Closed)
Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge