| // Copyright 2013 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include <assert.h> |
| #include <string.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string> |
| #include <vector> |
| #include "src/v8.h" |
| |
| #include "src/api.h" |
| #include "src/messages.h" |
| #include "src/platform.h" |
| #include "src/runtime.h" |
| #include "src/scanner-character-streams.h" |
| #include "src/scopeinfo.h" |
| #include "tools/shell-utils.h" |
| #include "src/string-stream.h" |
| #include "src/scanner.h" |
| |
| |
| using namespace v8::internal; |
| |
| |
| class BaselineScanner { |
| public: |
| BaselineScanner(const char* fname, |
| Isolate* isolate, |
| Encoding encoding, |
| ElapsedTimer* timer, |
| int repeat) |
| : stream_(NULL) { |
| int length = 0; |
| source_ = ReadFileAndRepeat(fname, &length, repeat); |
| unicode_cache_ = new UnicodeCache(); |
| scanner_ = new Scanner(unicode_cache_); |
| switch (encoding) { |
| case UTF8: |
| stream_ = new Utf8ToUtf16CharacterStream(source_, length); |
| break; |
| case UTF16: { |
| Handle<String> result = isolate->factory()->NewStringFromTwoByte( |
| Vector<const uint16_t>( |
| reinterpret_cast<const uint16_t*>(source_), |
| length / 2)).ToHandleChecked(); |
| stream_ = |
| new GenericStringUtf16CharacterStream(result, 0, result->length()); |
| break; |
| } |
| case LATIN1: { |
| Handle<String> result = isolate->factory()->NewStringFromOneByte( |
| Vector<const uint8_t>(source_, length)).ToHandleChecked(); |
| stream_ = |
| new GenericStringUtf16CharacterStream(result, 0, result->length()); |
| break; |
| } |
| } |
| timer->Start(); |
| scanner_->Initialize(stream_); |
| } |
| |
| ~BaselineScanner() { |
| delete scanner_; |
| delete stream_; |
| delete unicode_cache_; |
| delete[] source_; |
| } |
| |
| Token::Value Next(int* beg_pos, int* end_pos) { |
| Token::Value res = scanner_->Next(); |
| *beg_pos = scanner_->location().beg_pos; |
| *end_pos = scanner_->location().end_pos; |
| return res; |
| } |
| |
| private: |
| UnicodeCache* unicode_cache_; |
| Scanner* scanner_; |
| const byte* source_; |
| BufferedUtf16CharacterStream* stream_; |
| }; |
| |
| |
| struct TokenWithLocation { |
| Token::Value value; |
| size_t beg; |
| size_t end; |
| TokenWithLocation() : value(Token::ILLEGAL), beg(0), end(0) { } |
| TokenWithLocation(Token::Value value, size_t beg, size_t end) : |
| value(value), beg(beg), end(end) { } |
| bool operator==(const TokenWithLocation& other) { |
| return value == other.value && beg == other.beg && end == other.end; |
| } |
| bool operator!=(const TokenWithLocation& other) { |
| return !(*this == other); |
| } |
| void Print(const char* prefix) const { |
| printf("%s %11s at (%d, %d)\n", |
| prefix, Token::Name(value), |
| static_cast<int>(beg), static_cast<int>(end)); |
| } |
| }; |
| |
| |
| TimeDelta RunBaselineScanner(const char* fname, |
| Isolate* isolate, |
| Encoding encoding, |
| bool dump_tokens, |
| std::vector<TokenWithLocation>* tokens, |
| int repeat) { |
| ElapsedTimer timer; |
| BaselineScanner scanner(fname, isolate, encoding, &timer, repeat); |
| Token::Value token; |
| int beg, end; |
| do { |
| token = scanner.Next(&beg, &end); |
| if (dump_tokens) { |
| tokens->push_back(TokenWithLocation(token, beg, end)); |
| } |
| } while (token != Token::EOS); |
| return timer.Elapsed(); |
| } |
| |
| |
| void PrintTokens(const char* name, |
| const std::vector<TokenWithLocation>& tokens) { |
| printf("No of tokens: %d\n", |
| static_cast<int>(tokens.size())); |
| printf("%s:\n", name); |
| for (size_t i = 0; i < tokens.size(); ++i) { |
| tokens[i].Print("=>"); |
| } |
| } |
| |
| |
| TimeDelta ProcessFile( |
| const char* fname, |
| Encoding encoding, |
| Isolate* isolate, |
| bool print_tokens, |
| int repeat) { |
| if (print_tokens) { |
| printf("Processing file %s\n", fname); |
| } |
| HandleScope handle_scope(isolate); |
| std::vector<TokenWithLocation> baseline_tokens; |
| TimeDelta baseline_time; |
| baseline_time = RunBaselineScanner( |
| fname, isolate, encoding, print_tokens, |
| &baseline_tokens, repeat); |
| if (print_tokens) { |
| PrintTokens("Baseline", baseline_tokens); |
| } |
| return baseline_time; |
| } |
| |
| |
| int main(int argc, char* argv[]) { |
| v8::V8::InitializeICU(); |
| v8::V8::SetFlagsFromCommandLine(&argc, argv, true); |
| Encoding encoding = LATIN1; |
| bool print_tokens = false; |
| std::vector<std::string> fnames; |
| std::string benchmark; |
| int repeat = 1; |
| for (int i = 0; i < argc; ++i) { |
| if (strcmp(argv[i], "--latin1") == 0) { |
| encoding = LATIN1; |
| } else if (strcmp(argv[i], "--utf8") == 0) { |
| encoding = UTF8; |
| } else if (strcmp(argv[i], "--utf16") == 0) { |
| encoding = UTF16; |
| } else if (strcmp(argv[i], "--print-tokens") == 0) { |
| print_tokens = true; |
| } else if (strncmp(argv[i], "--benchmark=", 12) == 0) { |
| benchmark = std::string(argv[i]).substr(12); |
| } else if (strncmp(argv[i], "--repeat=", 9) == 0) { |
| std::string repeat_str = std::string(argv[i]).substr(9); |
| repeat = atoi(repeat_str.c_str()); |
| } else if (i > 0 && argv[i][0] != '-') { |
| fnames.push_back(std::string(argv[i])); |
| } |
| } |
| v8::Isolate* isolate = v8::Isolate::New(); |
| { |
| v8::Isolate::Scope isolate_scope(isolate); |
| v8::HandleScope handle_scope(isolate); |
| v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New(isolate); |
| v8::Local<v8::Context> context = v8::Context::New(isolate, NULL, global); |
| ASSERT(!context.IsEmpty()); |
| { |
| v8::Context::Scope scope(context); |
| double baseline_total = 0; |
| for (size_t i = 0; i < fnames.size(); i++) { |
| TimeDelta time; |
| time = ProcessFile(fnames[i].c_str(), encoding, |
| reinterpret_cast<Isolate*>(isolate), print_tokens, |
| repeat); |
| baseline_total += time.InMillisecondsF(); |
| } |
| if (benchmark.empty()) benchmark = "Baseline"; |
| printf("%s(RunTime): %.f ms\n", benchmark.c_str(), baseline_total); |
| } |
| } |
| v8::V8::Dispose(); |
| return 0; |
| } |