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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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| 85                                        Handle<Script> script, | 85                                        Handle<Script> script, | 
| 86                                        Handle<Context> context, | 86                                        Handle<Context> context, | 
| 87                                        v8::Extension* extension, | 87                                        v8::Extension* extension, | 
| 88                                        ScriptDataImpl* pre_data) { | 88                                        ScriptDataImpl* pre_data) { | 
| 89   ZoneScope zone_scope(DELETE_ON_EXIT); | 89   ZoneScope zone_scope(DELETE_ON_EXIT); | 
| 90 | 90 | 
| 91   // Make sure we have an initial stack limit. | 91   // Make sure we have an initial stack limit. | 
| 92   StackGuard guard; | 92   StackGuard guard; | 
| 93   PostponeInterruptsScope postpone; | 93   PostponeInterruptsScope postpone; | 
| 94 | 94 | 
|  | 95 #ifdef ENABLE_DEBUGGER_SUPPORT | 
| 95   // Notify debugger | 96   // Notify debugger | 
| 96   Debugger::OnBeforeCompile(script); | 97   Debugger::OnBeforeCompile(script); | 
|  | 98 #endif | 
| 97 | 99 | 
| 98   // Only allow non-global compiles for eval. | 100   // Only allow non-global compiles for eval. | 
| 99   ASSERT(is_eval || is_global); | 101   ASSERT(is_eval || is_global); | 
| 100 | 102 | 
| 101   // Build AST. | 103   // Build AST. | 
| 102   FunctionLiteral* lit = MakeAST(is_global, script, extension, pre_data); | 104   FunctionLiteral* lit = MakeAST(is_global, script, extension, pre_data); | 
| 103 | 105 | 
| 104   // Check for parse errors. | 106   // Check for parse errors. | 
| 105   if (lit == NULL) { | 107   if (lit == NULL) { | 
| 106     ASSERT(Top::has_pending_exception()); | 108     ASSERT(Top::has_pending_exception()); | 
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| 153                                  RelocInfo::kNoPosition, | 155                                  RelocInfo::kNoPosition, | 
| 154                                  lit->start_position(), lit->end_position(), | 156                                  lit->start_position(), lit->end_position(), | 
| 155                                  lit->is_expression(), true, script, | 157                                  lit->is_expression(), true, script, | 
| 156                                  lit->inferred_name()); | 158                                  lit->inferred_name()); | 
| 157 | 159 | 
| 158   // Hint to the runtime system used when allocating space for initial | 160   // Hint to the runtime system used when allocating space for initial | 
| 159   // property space by setting the expected number of properties for | 161   // property space by setting the expected number of properties for | 
| 160   // the instances of the function. | 162   // the instances of the function. | 
| 161   SetExpectedNofPropertiesFromEstimate(fun, lit->expected_property_count()); | 163   SetExpectedNofPropertiesFromEstimate(fun, lit->expected_property_count()); | 
| 162 | 164 | 
|  | 165 #ifdef ENABLE_DEBUGGER_SUPPORT | 
| 163   // Notify debugger | 166   // Notify debugger | 
| 164   Debugger::OnAfterCompile(script, fun); | 167   Debugger::OnAfterCompile(script, fun); | 
|  | 168 #endif | 
| 165 | 169 | 
| 166   return fun; | 170   return fun; | 
| 167 } | 171 } | 
| 168 | 172 | 
| 169 | 173 | 
| 170 static StaticResource<SafeStringInputBuffer> safe_string_input_buffer; | 174 static StaticResource<SafeStringInputBuffer> safe_string_input_buffer; | 
| 171 | 175 | 
| 172 | 176 | 
| 173 Handle<JSFunction> Compiler::Compile(Handle<String> source, | 177 Handle<JSFunction> Compiler::Compile(Handle<String> source, | 
| 174                                      Handle<Object> script_name, | 178                                      Handle<Object> script_name, | 
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| 344   // Set the expected number of properties for instances. | 348   // Set the expected number of properties for instances. | 
| 345   SetExpectedNofPropertiesFromEstimate(shared, lit->expected_property_count()); | 349   SetExpectedNofPropertiesFromEstimate(shared, lit->expected_property_count()); | 
| 346 | 350 | 
| 347   // Check the function has compiled code. | 351   // Check the function has compiled code. | 
| 348   ASSERT(shared->is_compiled()); | 352   ASSERT(shared->is_compiled()); | 
| 349   return true; | 353   return true; | 
| 350 } | 354 } | 
| 351 | 355 | 
| 352 | 356 | 
| 353 } }  // namespace v8::internal | 357 } }  // namespace v8::internal | 
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