Vyacheslav Egorov 7d5231796e [VM, Precompiler] Support obfuscation of the symbolic information in precompiler ... Obfuscation is controlled by obfuscate flag in Dart_IsolateFlags. Obfuscation of identifiers is performed during script tokenization - when TokenStream is generated from the source. All kIDENT and kINTERPOL_VAR tokens are renamed consistently using a persistent obfuscation map stored in ObjectStore::obfuscation_map. Some identifiers (pseudo-keywords, arithmetic operators, builtin recognized methods and entry-points) are not renamed to keep name based lookups from breaking. All other identifiers are renamed. Constant instances of Symbol-s (both created via literal syntax #ident and using constant constructor const Symbol("ident")) are renamed consistently with corresponding identifiers. Script urls and Library urls and names are also obfuscated. Obfuscation map can be dumped as a JSON array at the end of precompilation using Dart_GetObfuscationMap API. BUG=https://github.com/dart-lang/sdk/issues/30524 R=rmacnak@google.com Review-Url: https://codereview.chromium.org/3003583002 .		2017-08-25 09:48:23 +02:00
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unsorted	[VM, Precompiler] Support obfuscation of the symbolic information in precompiler	2017-08-25 09:48:23 +02:00
kernel.status	[VM, Precompiler] Support obfuscation of the symbolic information in precompiler	2017-08-25 09:48:23 +02:00