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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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| 271 | 271 |
| 272 | 272 |
| 273 static StaticResource<SafeStringInputBuffer> safe_string_input_buffer; | 273 static StaticResource<SafeStringInputBuffer> safe_string_input_buffer; |
| 274 | 274 |
| 275 | 275 |
| 276 Handle<JSFunction> Compiler::Compile(Handle<String> source, | 276 Handle<JSFunction> Compiler::Compile(Handle<String> source, |
| 277 Handle<Object> script_name, | 277 Handle<Object> script_name, |
| 278 int line_offset, int column_offset, | 278 int line_offset, int column_offset, |
| 279 v8::Extension* extension, | 279 v8::Extension* extension, |
| 280 ScriptDataImpl* input_pre_data, | 280 ScriptDataImpl* input_pre_data, |
| 281 Handle<Object> script_data) { | 281 Handle<Object> script_data, |
| 282 NativesFlag natives) { |
| 282 int source_length = source->length(); | 283 int source_length = source->length(); |
| 283 Counters::total_load_size.Increment(source_length); | 284 Counters::total_load_size.Increment(source_length); |
| 284 Counters::total_compile_size.Increment(source_length); | 285 Counters::total_compile_size.Increment(source_length); |
| 285 | 286 |
| 286 // The VM is in the COMPILER state until exiting this function. | 287 // The VM is in the COMPILER state until exiting this function. |
| 287 VMState state(COMPILER); | 288 VMState state(COMPILER); |
| 288 | 289 |
| 289 // Do a lookup in the compilation cache but not for extensions. | 290 // Do a lookup in the compilation cache but not for extensions. |
| 290 Handle<JSFunction> result; | 291 Handle<JSFunction> result; |
| 291 if (extension == NULL) { | 292 if (extension == NULL) { |
| 292 result = CompilationCache::LookupScript(source, | 293 result = CompilationCache::LookupScript(source, |
| 293 script_name, | 294 script_name, |
| 294 line_offset, | 295 line_offset, |
| 295 column_offset); | 296 column_offset); |
| 296 } | 297 } |
| 297 | 298 |
| 298 if (result.is_null()) { | 299 if (result.is_null()) { |
| 299 // No cache entry found. Do pre-parsing and compile the script. | 300 // No cache entry found. Do pre-parsing and compile the script. |
| 300 ScriptDataImpl* pre_data = input_pre_data; | 301 ScriptDataImpl* pre_data = input_pre_data; |
| 301 if (pre_data == NULL && source_length >= FLAG_min_preparse_length) { | 302 if (pre_data == NULL && source_length >= FLAG_min_preparse_length) { |
| 302 Access<SafeStringInputBuffer> buf(&safe_string_input_buffer); | 303 Access<SafeStringInputBuffer> buf(&safe_string_input_buffer); |
| 303 buf->Reset(source.location()); | 304 buf->Reset(source.location()); |
| 304 pre_data = PreParse(source, buf.value(), extension); | 305 pre_data = PreParse(source, buf.value(), extension); |
| 305 } | 306 } |
| 306 | 307 |
| 307 // Create a script object describing the script to be compiled. | 308 // Create a script object describing the script to be compiled. |
| 308 Handle<Script> script = Factory::NewScript(source); | 309 Handle<Script> script = Factory::NewScript(source); |
| 310 if (natives == NATIVES_CODE) { |
| 311 script->set_type(Smi::FromInt(Script::TYPE_NATIVE)); |
| 312 } |
| 309 if (!script_name.is_null()) { | 313 if (!script_name.is_null()) { |
| 310 script->set_name(*script_name); | 314 script->set_name(*script_name); |
| 311 script->set_line_offset(Smi::FromInt(line_offset)); | 315 script->set_line_offset(Smi::FromInt(line_offset)); |
| 312 script->set_column_offset(Smi::FromInt(column_offset)); | 316 script->set_column_offset(Smi::FromInt(column_offset)); |
| 313 } | 317 } |
| 314 | 318 |
| 315 script->set_data(script_data.is_null() ? Heap::undefined_value() | 319 script->set_data(script_data.is_null() ? Heap::undefined_value() |
| 316 : *script_data); | 320 : *script_data); |
| 317 | 321 |
| 318 // Compile the function and add it to the cache. | 322 // Compile the function and add it to the cache. |
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| 633 LOG(CodeCreateEvent(tag, *code, *func_name)); | 637 LOG(CodeCreateEvent(tag, *code, *func_name)); |
| 634 OProfileAgent::CreateNativeCodeRegion(*func_name, | 638 OProfileAgent::CreateNativeCodeRegion(*func_name, |
| 635 code->instruction_start(), | 639 code->instruction_start(), |
| 636 code->instruction_size()); | 640 code->instruction_size()); |
| 637 } | 641 } |
| 638 } | 642 } |
| 639 } | 643 } |
| 640 #endif | 644 #endif |
| 641 | 645 |
| 642 } } // namespace v8::internal | 646 } } // namespace v8::internal |
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