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Issue 8306024: Make native syntax an early error in the preparser. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Unified enums Created 9 years, 2 months ago
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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
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181 PreParserData Preparse(UnicodeInputStream* input, size_t max_stack) { 181 PreParserData Preparse(UnicodeInputStream* input, size_t max_stack) {
182 internal::InputStreamUTF16Buffer buffer(input); 182 internal::InputStreamUTF16Buffer buffer(input);
183 uintptr_t stack_limit = reinterpret_cast<uintptr_t>(&buffer) - max_stack; 183 uintptr_t stack_limit = reinterpret_cast<uintptr_t>(&buffer) - max_stack;
184 internal::UnicodeCache unicode_cache; 184 internal::UnicodeCache unicode_cache;
185 internal::JavaScriptScanner scanner(&unicode_cache); 185 internal::JavaScriptScanner scanner(&unicode_cache);
186 scanner.Initialize(&buffer); 186 scanner.Initialize(&buffer);
187 internal::CompleteParserRecorder recorder; 187 internal::CompleteParserRecorder recorder;
188 preparser::PreParser::PreParseResult result = 188 preparser::PreParser::PreParseResult result =
189 preparser::PreParser::PreParseProgram(&scanner, 189 preparser::PreParser::PreParseProgram(&scanner,
190 &recorder, 190 &recorder,
191 true, 191 internal::kAllowLazy,
192 stack_limit); 192 stack_limit);
193 if (result == preparser::PreParser::kPreParseStackOverflow) { 193 if (result == preparser::PreParser::kPreParseStackOverflow) {
194 return PreParserData::StackOverflow(); 194 return PreParserData::StackOverflow();
195 } 195 }
196 internal::Vector<unsigned> pre_data = recorder.ExtractData(); 196 internal::Vector<unsigned> pre_data = recorder.ExtractData();
197 size_t size = pre_data.length() * sizeof(pre_data[0]); 197 size_t size = pre_data.length() * sizeof(pre_data[0]);
198 unsigned char* data = reinterpret_cast<unsigned char*>(pre_data.start()); 198 unsigned char* data = reinterpret_cast<unsigned char*>(pre_data.start());
199 return PreParserData(size, data); 199 return PreParserData(size, data);
200 } 200 }
201 201
202 } // namespace v8. 202 } // namespace v8.
203 203
204 204
205 // Used by ASSERT macros and other immediate exits. 205 // Used by ASSERT macros and other immediate exits.
206 extern "C" void V8_Fatal(const char* file, int line, const char* format, ...) { 206 extern "C" void V8_Fatal(const char* file, int line, const char* format, ...) {
207 exit(EXIT_FAILURE); 207 exit(EXIT_FAILURE);
208 } 208 }
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