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Issue 6824071: Cleanup of ScannerConstants, now named UnicodeCache. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Addressed review comments. Created 9 years, 8 months ago
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1 // Copyright 2010 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.
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152 // Only if that pushback buffer at the start of buffer_ isn't sufficient 152 // Only if that pushback buffer at the start of buffer_ isn't sufficient
153 // is the following used. 153 // is the following used.
154 const uc16* pushback_buffer_end_cache_; 154 const uc16* pushback_buffer_end_cache_;
155 uc16* pushback_buffer_backing_; 155 uc16* pushback_buffer_backing_;
156 unsigned pushback_buffer_backing_size_; 156 unsigned pushback_buffer_backing_size_;
157 }; 157 };
158 158
159 159
160 class StandAloneJavaScriptScanner : public JavaScriptScanner { 160 class StandAloneJavaScriptScanner : public JavaScriptScanner {
161 public: 161 public:
162 explicit StandAloneJavaScriptScanner(ScannerConstants* scanner_constants) 162 explicit StandAloneJavaScriptScanner(UnicodeCache* unicode_cache)
163 : JavaScriptScanner(scanner_constants) { } 163 : JavaScriptScanner(unicode_cache) { }
164 164
165 void Initialize(UC16CharacterStream* source) { 165 void Initialize(UC16CharacterStream* source) {
166 source_ = source; 166 source_ = source;
167 Init(); 167 Init();
168 // Skip initial whitespace allowing HTML comment ends just like 168 // Skip initial whitespace allowing HTML comment ends just like
169 // after a newline and scan first token. 169 // after a newline and scan first token.
170 has_line_terminator_before_next_ = true; 170 has_line_terminator_before_next_ = true;
171 SkipWhiteSpace(); 171 SkipWhiteSpace();
172 Scan(); 172 Scan();
173 } 173 }
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185 185
186 } // namespace internal. 186 } // namespace internal.
187 187
188 188
189 UnicodeInputStream::~UnicodeInputStream() { } 189 UnicodeInputStream::~UnicodeInputStream() { }
190 190
191 191
192 PreParserData Preparse(UnicodeInputStream* input, size_t max_stack) { 192 PreParserData Preparse(UnicodeInputStream* input, size_t max_stack) {
193 internal::InputStreamUTF16Buffer buffer(input); 193 internal::InputStreamUTF16Buffer buffer(input);
194 uintptr_t stack_limit = reinterpret_cast<uintptr_t>(&buffer) - max_stack; 194 uintptr_t stack_limit = reinterpret_cast<uintptr_t>(&buffer) - max_stack;
195 internal::ScannerConstants scanner_constants; 195 internal::UnicodeCache unicode_cache;
196 internal::StandAloneJavaScriptScanner scanner(&scanner_constants); 196 internal::StandAloneJavaScriptScanner scanner(&unicode_cache);
197 scanner.Initialize(&buffer); 197 scanner.Initialize(&buffer);
198 internal::CompleteParserRecorder recorder; 198 internal::CompleteParserRecorder recorder;
199 preparser::PreParser::PreParseResult result = 199 preparser::PreParser::PreParseResult result =
200 preparser::PreParser::PreParseProgram(&scanner, 200 preparser::PreParser::PreParseProgram(&scanner,
201 &recorder, 201 &recorder,
202 true, 202 true,
203 stack_limit); 203 stack_limit);
204 if (result == preparser::PreParser::kPreParseStackOverflow) { 204 if (result == preparser::PreParser::kPreParseStackOverflow) {
205 return PreParserData::StackOverflow(); 205 return PreParserData::StackOverflow();
206 } 206 }
207 internal::Vector<unsigned> pre_data = recorder.ExtractData(); 207 internal::Vector<unsigned> pre_data = recorder.ExtractData();
208 size_t size = pre_data.length() * sizeof(pre_data[0]); 208 size_t size = pre_data.length() * sizeof(pre_data[0]);
209 unsigned char* data = reinterpret_cast<unsigned char*>(pre_data.start()); 209 unsigned char* data = reinterpret_cast<unsigned char*>(pre_data.start());
210 return PreParserData(size, data); 210 return PreParserData(size, data);
211 } 211 }
212 212
213 } // namespace v8. 213 } // namespace v8.
214 214
215 215
216 // Used by ASSERT macros and other immediate exits. 216 // Used by ASSERT macros and other immediate exits.
217 extern "C" void V8_Fatal(const char* file, int line, const char* format, ...) { 217 extern "C" void V8_Fatal(const char* file, int line, const char* format, ...) {
218 exit(EXIT_FAILURE); 218 exit(EXIT_FAILURE);
219 } 219 }
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