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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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268 // Notify debugger | 268 // Notify debugger |
269 Debugger::OnAfterCompile(script, Debugger::NO_AFTER_COMPILE_FLAGS); | 269 Debugger::OnAfterCompile(script, Debugger::NO_AFTER_COMPILE_FLAGS); |
270 #endif | 270 #endif |
271 | 271 |
272 live_edit_tracker.RecordFunctionInfo(result, lit); | 272 live_edit_tracker.RecordFunctionInfo(result, lit); |
273 | 273 |
274 return result; | 274 return result; |
275 } | 275 } |
276 | 276 |
277 | 277 |
278 static StaticResource<SafeStringInputBuffer> safe_string_input_buffer; | |
279 | |
280 | |
281 Handle<SharedFunctionInfo> Compiler::Compile(Handle<String> source, | 278 Handle<SharedFunctionInfo> Compiler::Compile(Handle<String> source, |
282 Handle<Object> script_name, | 279 Handle<Object> script_name, |
283 int line_offset, | 280 int line_offset, |
284 int column_offset, | 281 int column_offset, |
285 v8::Extension* extension, | 282 v8::Extension* extension, |
286 ScriptDataImpl* input_pre_data, | 283 ScriptDataImpl* input_pre_data, |
287 Handle<Object> script_data, | 284 Handle<Object> script_data, |
288 NativesFlag natives) { | 285 NativesFlag natives) { |
289 int source_length = source->length(); | 286 int source_length = source->length(); |
290 Counters::total_load_size.Increment(source_length); | 287 Counters::total_load_size.Increment(source_length); |
291 Counters::total_compile_size.Increment(source_length); | 288 Counters::total_compile_size.Increment(source_length); |
292 | 289 |
293 // The VM is in the COMPILER state until exiting this function. | 290 // The VM is in the COMPILER state until exiting this function. |
294 VMState state(COMPILER); | 291 VMState state(COMPILER); |
295 | 292 |
296 // Do a lookup in the compilation cache but not for extensions. | 293 // Do a lookup in the compilation cache but not for extensions. |
297 Handle<SharedFunctionInfo> result; | 294 Handle<SharedFunctionInfo> result; |
298 if (extension == NULL) { | 295 if (extension == NULL) { |
299 result = CompilationCache::LookupScript(source, | 296 result = CompilationCache::LookupScript(source, |
300 script_name, | 297 script_name, |
301 line_offset, | 298 line_offset, |
302 column_offset); | 299 column_offset); |
303 } | 300 } |
304 | 301 |
305 if (result.is_null()) { | 302 if (result.is_null()) { |
306 // No cache entry found. Do pre-parsing and compile the script. | 303 // No cache entry found. Do pre-parsing and compile the script. |
307 ScriptDataImpl* pre_data = input_pre_data; | 304 ScriptDataImpl* pre_data = input_pre_data; |
308 if (pre_data == NULL && source_length >= FLAG_min_preparse_length) { | 305 if (pre_data == NULL && source_length >= FLAG_min_preparse_length) { |
309 Access<SafeStringInputBuffer> buf(&safe_string_input_buffer); | 306 pre_data = PreParse(source, NULL, extension); |
310 buf->Reset(source.location()); | |
311 pre_data = PreParse(source, buf.value(), extension); | |
312 } | 307 } |
313 | 308 |
314 // Create a script object describing the script to be compiled. | 309 // Create a script object describing the script to be compiled. |
315 Handle<Script> script = Factory::NewScript(source); | 310 Handle<Script> script = Factory::NewScript(source); |
316 if (natives == NATIVES_CODE) { | 311 if (natives == NATIVES_CODE) { |
317 script->set_type(Smi::FromInt(Script::TYPE_NATIVE)); | 312 script->set_type(Smi::FromInt(Script::TYPE_NATIVE)); |
318 } | 313 } |
319 if (!script_name.is_null()) { | 314 if (!script_name.is_null()) { |
320 script->set_name(*script_name); | 315 script->set_name(*script_name); |
321 script->set_line_offset(Smi::FromInt(line_offset)); | 316 script->set_line_offset(Smi::FromInt(line_offset)); |
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633 PROFILE(CodeCreateEvent(Logger::ToNativeByScript(tag, *script), | 628 PROFILE(CodeCreateEvent(Logger::ToNativeByScript(tag, *script), |
634 *code, *func_name)); | 629 *code, *func_name)); |
635 OPROFILE(CreateNativeCodeRegion(*func_name, | 630 OPROFILE(CreateNativeCodeRegion(*func_name, |
636 code->instruction_start(), | 631 code->instruction_start(), |
637 code->instruction_size())); | 632 code->instruction_size())); |
638 } | 633 } |
639 } | 634 } |
640 } | 635 } |
641 | 636 |
642 } } // namespace v8::internal | 637 } } // namespace v8::internal |
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