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Issue 10546092: Revert r11753. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years, 6 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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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1280 Label try_entry, handler_entry, finally_entry; 1280 Label try_entry, handler_entry, finally_entry;
1281 1281
1282 // Jump to try-handler setup and try-block code. 1282 // Jump to try-handler setup and try-block code.
1283 __ jmp(&try_entry); 1283 __ jmp(&try_entry);
1284 __ bind(&handler_entry); 1284 __ bind(&handler_entry);
1285 handler_table()->set(stmt->index(), Smi::FromInt(handler_entry.pos())); 1285 handler_table()->set(stmt->index(), Smi::FromInt(handler_entry.pos()));
1286 // Exception handler code. This code is only executed when an exception 1286 // Exception handler code. This code is only executed when an exception
1287 // is thrown. The exception is in the result register, and must be 1287 // is thrown. The exception is in the result register, and must be
1288 // preserved by the finally block. Call the finally block and then 1288 // preserved by the finally block. Call the finally block and then
1289 // rethrow the exception if it returns. 1289 // rethrow the exception if it returns.
1290 // Also preserve the pending message corresponding to the thrown error when
1291 // executing the finally block.
1292 SavePendingMessage();
1293 __ Call(&finally_entry); 1290 __ Call(&finally_entry);
1294 RestorePendingMessage();
1295 __ push(result_register()); 1291 __ push(result_register());
1296 __ CallRuntime(Runtime::kReThrow, 1); 1292 __ CallRuntime(Runtime::kReThrow, 1);
1297 1293
1298 // Finally block implementation. 1294 // Finally block implementation.
1299 __ bind(&finally_entry); 1295 __ bind(&finally_entry);
1300 EnterFinallyBlock(); 1296 EnterFinallyBlock();
1301 { Finally finally_body(this); 1297 { Finally finally_body(this);
1302 Visit(stmt->finally_block()); 1298 Visit(stmt->finally_block());
1303 } 1299 }
1304 ExitFinallyBlock(); // Return to the calling code. 1300 ExitFinallyBlock(); // Return to the calling code.
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1427 } 1423 }
1428 1424
1429 return false; 1425 return false;
1430 } 1426 }
1431 1427
1432 1428
1433 #undef __ 1429 #undef __
1434 1430
1435 1431
1436 } } // namespace v8::internal 1432 } } // namespace v8::internal
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