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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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