| OLD | NEW |
| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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 |
| (...skipping 1148 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1159 extension_(extension), | 1159 extension_(extension), |
| 1160 factory_(factory), | 1160 factory_(factory), |
| 1161 log_(log), | 1161 log_(log), |
| 1162 is_pre_parsing_(is_pre_parsing), | 1162 is_pre_parsing_(is_pre_parsing), |
| 1163 pre_data_(pre_data) { | 1163 pre_data_(pre_data) { |
| 1164 } | 1164 } |
| 1165 | 1165 |
| 1166 | 1166 |
| 1167 bool Parser::PreParseProgram(Handle<String> source, | 1167 bool Parser::PreParseProgram(Handle<String> source, |
| 1168 unibrow::CharacterStream* stream) { | 1168 unibrow::CharacterStream* stream) { |
| 1169 HistogramTimerScope timer(&Counters::pre_parse); | 1169 HistogramTimerScope timer(&COUNTER(pre_parse)); |
| 1170 AssertNoZoneAllocation assert_no_zone_allocation; | 1170 AssertNoZoneAllocation assert_no_zone_allocation; |
| 1171 AssertNoAllocation assert_no_allocation; | 1171 AssertNoAllocation assert_no_allocation; |
| 1172 NoHandleAllocation no_handle_allocation; | 1172 NoHandleAllocation no_handle_allocation; |
| 1173 scanner_.Init(source, stream, 0); | 1173 scanner_.Init(source, stream, 0); |
| 1174 ASSERT(target_stack_ == NULL); | 1174 ASSERT(target_stack_ == NULL); |
| 1175 mode_ = PARSE_EAGERLY; | 1175 mode_ = PARSE_EAGERLY; |
| 1176 DummyScope top_scope; | 1176 DummyScope top_scope; |
| 1177 LexicalScope scope(this, &top_scope); | 1177 LexicalScope scope(this, &top_scope); |
| 1178 TemporaryScope temp_scope(this); | 1178 TemporaryScope temp_scope(this); |
| 1179 ZoneListWrapper<Statement> processor; | 1179 ZoneListWrapper<Statement> processor; |
| 1180 bool ok = true; | 1180 bool ok = true; |
| 1181 ParseSourceElements(&processor, Token::EOS, &ok); | 1181 ParseSourceElements(&processor, Token::EOS, &ok); |
| 1182 return !scanner().stack_overflow(); | 1182 return !scanner().stack_overflow(); |
| 1183 } | 1183 } |
| 1184 | 1184 |
| 1185 | 1185 |
| 1186 FunctionLiteral* Parser::ParseProgram(Handle<String> source, | 1186 FunctionLiteral* Parser::ParseProgram(Handle<String> source, |
| 1187 unibrow::CharacterStream* stream, | 1187 unibrow::CharacterStream* stream, |
| 1188 bool in_global_context) { | 1188 bool in_global_context) { |
| 1189 CompilationZoneScope zone_scope(DONT_DELETE_ON_EXIT); | 1189 CompilationZoneScope zone_scope(DONT_DELETE_ON_EXIT); |
| 1190 | 1190 |
| 1191 HistogramTimerScope timer(&Counters::parse); | 1191 HistogramTimerScope timer(&COUNTER(parse)); |
| 1192 Counters::total_parse_size.Increment(source->length()); | 1192 INCREMENT_COUNTER(total_parse_size, source->length()); |
| 1193 | 1193 |
| 1194 // Initialize parser state. | 1194 // Initialize parser state. |
| 1195 source->TryFlattenIfNotFlat(); | 1195 source->TryFlattenIfNotFlat(); |
| 1196 scanner_.Init(source, stream, 0); | 1196 scanner_.Init(source, stream, 0); |
| 1197 ASSERT(target_stack_ == NULL); | 1197 ASSERT(target_stack_ == NULL); |
| 1198 | 1198 |
| 1199 // Compute the parsing mode. | 1199 // Compute the parsing mode. |
| 1200 mode_ = FLAG_lazy ? PARSE_LAZILY : PARSE_EAGERLY; | 1200 mode_ = FLAG_lazy ? PARSE_LAZILY : PARSE_EAGERLY; |
| 1201 if (allow_natives_syntax_ || extension_ != NULL) mode_ = PARSE_EAGERLY; | 1201 if (allow_natives_syntax_ || extension_ != NULL) mode_ = PARSE_EAGERLY; |
| 1202 | 1202 |
| (...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1239 if (result == NULL) zone_scope.DeleteOnExit(); | 1239 if (result == NULL) zone_scope.DeleteOnExit(); |
| 1240 return result; | 1240 return result; |
| 1241 } | 1241 } |
| 1242 | 1242 |
| 1243 | 1243 |
| 1244 FunctionLiteral* Parser::ParseLazy(Handle<String> source, | 1244 FunctionLiteral* Parser::ParseLazy(Handle<String> source, |
| 1245 Handle<String> name, | 1245 Handle<String> name, |
| 1246 int start_position, | 1246 int start_position, |
| 1247 bool is_expression) { | 1247 bool is_expression) { |
| 1248 CompilationZoneScope zone_scope(DONT_DELETE_ON_EXIT); | 1248 CompilationZoneScope zone_scope(DONT_DELETE_ON_EXIT); |
| 1249 HistogramTimerScope timer(&Counters::parse_lazy); | 1249 HistogramTimerScope timer(&COUNTER(parse_lazy)); |
| 1250 source->TryFlattenIfNotFlat(); | 1250 source->TryFlattenIfNotFlat(); |
| 1251 Counters::total_parse_size.Increment(source->length()); | 1251 INCREMENT_COUNTER(total_parse_size, source->length()); |
| 1252 SafeStringInputBuffer buffer(source.location()); | 1252 SafeStringInputBuffer buffer(source.location()); |
| 1253 | 1253 |
| 1254 // Initialize parser state. | 1254 // Initialize parser state. |
| 1255 scanner_.Init(source, &buffer, start_position); | 1255 scanner_.Init(source, &buffer, start_position); |
| 1256 ASSERT(target_stack_ == NULL); | 1256 ASSERT(target_stack_ == NULL); |
| 1257 mode_ = PARSE_EAGERLY; | 1257 mode_ = PARSE_EAGERLY; |
| 1258 | 1258 |
| 1259 // Place holder for the result. | 1259 // Place holder for the result. |
| 1260 FunctionLiteral* result = NULL; | 1260 FunctionLiteral* result = NULL; |
| 1261 | 1261 |
| (...skipping 2341 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 3603 bool is_lazily_compiled = | 3603 bool is_lazily_compiled = |
| 3604 mode() == PARSE_LAZILY && top_scope_->HasTrivialOuterContext(); | 3604 mode() == PARSE_LAZILY && top_scope_->HasTrivialOuterContext(); |
| 3605 | 3605 |
| 3606 int materialized_literal_count; | 3606 int materialized_literal_count; |
| 3607 int expected_property_count; | 3607 int expected_property_count; |
| 3608 bool only_simple_this_property_assignments; | 3608 bool only_simple_this_property_assignments; |
| 3609 Handle<FixedArray> this_property_assignments; | 3609 Handle<FixedArray> this_property_assignments; |
| 3610 if (is_lazily_compiled && pre_data() != NULL) { | 3610 if (is_lazily_compiled && pre_data() != NULL) { |
| 3611 FunctionEntry entry = pre_data()->GetFunctionEnd(start_pos); | 3611 FunctionEntry entry = pre_data()->GetFunctionEnd(start_pos); |
| 3612 int end_pos = entry.end_pos(); | 3612 int end_pos = entry.end_pos(); |
| 3613 Counters::total_preparse_skipped.Increment(end_pos - start_pos); | 3613 INCREMENT_COUNTER(total_preparse_skipped, end_pos - start_pos); |
| 3614 scanner_.SeekForward(end_pos); | 3614 scanner_.SeekForward(end_pos); |
| 3615 materialized_literal_count = entry.literal_count(); | 3615 materialized_literal_count = entry.literal_count(); |
| 3616 expected_property_count = entry.property_count(); | 3616 expected_property_count = entry.property_count(); |
| 3617 only_simple_this_property_assignments = false; | 3617 only_simple_this_property_assignments = false; |
| 3618 this_property_assignments = Factory::empty_fixed_array(); | 3618 this_property_assignments = Factory::empty_fixed_array(); |
| 3619 } else { | 3619 } else { |
| 3620 ParseSourceElements(&body, Token::RBRACE, CHECK_OK); | 3620 ParseSourceElements(&body, Token::RBRACE, CHECK_OK); |
| 3621 materialized_literal_count = temp_scope.materialized_literal_count(); | 3621 materialized_literal_count = temp_scope.materialized_literal_count(); |
| 3622 expected_property_count = temp_scope.expected_property_count(); | 3622 expected_property_count = temp_scope.expected_property_count(); |
| 3623 only_simple_this_property_assignments = | 3623 only_simple_this_property_assignments = |
| (...skipping 1163 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 4787 start_position, | 4787 start_position, |
| 4788 is_expression); | 4788 is_expression); |
| 4789 return result; | 4789 return result; |
| 4790 } | 4790 } |
| 4791 | 4791 |
| 4792 | 4792 |
| 4793 #undef NEW | 4793 #undef NEW |
| 4794 | 4794 |
| 4795 | 4795 |
| 4796 } } // namespace v8::internal | 4796 } } // namespace v8::internal |
| OLD | NEW |