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Issue 564035: Remove lazy loading of natives files and the natives cache.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/experimental/partial_snapshots/
Patch Set: Created 10 years, 10 months ago
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1 // Copyright 2009 the V8 project authors. All rights reserved. 1 // Copyright 2009 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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236 } 236 }
237 237
238 238
239 static StaticResource<SafeStringInputBuffer> safe_string_input_buffer; 239 static StaticResource<SafeStringInputBuffer> safe_string_input_buffer;
240 240
241 241
242 Handle<JSFunction> Compiler::Compile(Handle<String> source, 242 Handle<JSFunction> Compiler::Compile(Handle<String> source,
243 Handle<Object> script_name, 243 Handle<Object> script_name,
244 int line_offset, int column_offset, 244 int line_offset, int column_offset,
245 v8::Extension* extension, 245 v8::Extension* extension,
246 ScriptDataImpl* input_pre_data) { 246 ScriptDataImpl* input_pre_data,
247 NativesFlag natives) {
247 int source_length = source->length(); 248 int source_length = source->length();
248 Counters::total_load_size.Increment(source_length); 249 Counters::total_load_size.Increment(source_length);
249 Counters::total_compile_size.Increment(source_length); 250 Counters::total_compile_size.Increment(source_length);
250 251
251 // The VM is in the COMPILER state until exiting this function. 252 // The VM is in the COMPILER state until exiting this function.
252 VMState state(COMPILER); 253 VMState state(COMPILER);
253 254
254 // Do a lookup in the compilation cache but not for extensions. 255 // Do a lookup in the compilation cache but not for extensions.
255 Handle<JSFunction> result; 256 Handle<JSFunction> result;
256 if (extension == NULL) { 257 if (extension == NULL) {
257 result = CompilationCache::LookupScript(source, 258 result = CompilationCache::LookupScript(source,
258 script_name, 259 script_name,
259 line_offset, 260 line_offset,
260 column_offset); 261 column_offset);
261 } 262 }
262 263
263 if (result.is_null()) { 264 if (result.is_null()) {
264 // No cache entry found. Do pre-parsing and compile the script. 265 // No cache entry found. Do pre-parsing and compile the script.
265 ScriptDataImpl* pre_data = input_pre_data; 266 ScriptDataImpl* pre_data = input_pre_data;
266 if (pre_data == NULL && source_length >= FLAG_min_preparse_length) { 267 if (pre_data == NULL && source_length >= FLAG_min_preparse_length) {
267 Access<SafeStringInputBuffer> buf(&safe_string_input_buffer); 268 Access<SafeStringInputBuffer> buf(&safe_string_input_buffer);
268 buf->Reset(source.location()); 269 buf->Reset(source.location());
269 pre_data = PreParse(source, buf.value(), extension); 270 pre_data = PreParse(source, buf.value(), extension);
270 } 271 }
271 272
272 // Create a script object describing the script to be compiled. 273 // Create a script object describing the script to be compiled.
273 Handle<Script> script = Factory::NewScript(source); 274 Handle<Script> script = Factory::NewScript(source);
275 if (natives == NATIVES_CODE) {
276 script->set_type(Smi::FromInt(Script::TYPE_NATIVE));
277 }
274 if (!script_name.is_null()) { 278 if (!script_name.is_null()) {
275 script->set_name(*script_name); 279 script->set_name(*script_name);
276 script->set_line_offset(Smi::FromInt(line_offset)); 280 script->set_line_offset(Smi::FromInt(line_offset));
277 script->set_column_offset(Smi::FromInt(column_offset)); 281 script->set_column_offset(Smi::FromInt(column_offset));
278 } 282 }
279 283
280 // Compile the function and add it to the cache. 284 // Compile the function and add it to the cache.
281 result = MakeFunction(true, 285 result = MakeFunction(true,
282 false, 286 false,
283 DONT_VALIDATE_JSON, 287 DONT_VALIDATE_JSON,
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556 fun->shared()->set_is_toplevel(is_toplevel); 560 fun->shared()->set_is_toplevel(is_toplevel);
557 fun->shared()->set_inferred_name(*lit->inferred_name()); 561 fun->shared()->set_inferred_name(*lit->inferred_name());
558 fun->shared()->SetThisPropertyAssignmentsInfo( 562 fun->shared()->SetThisPropertyAssignmentsInfo(
559 lit->has_only_simple_this_property_assignments(), 563 lit->has_only_simple_this_property_assignments(),
560 *lit->this_property_assignments()); 564 *lit->this_property_assignments());
561 fun->shared()->set_try_full_codegen(lit->try_full_codegen()); 565 fun->shared()->set_try_full_codegen(lit->try_full_codegen());
562 } 566 }
563 567
564 568
565 } } // namespace v8::internal 569 } } // namespace v8::internal
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