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Issue 7840026: Merge r9160 to the 3.5 branch. (Closed) Base URL: https://v8.googlecode.com/svn/branches/3.5
Patch Set: Created 9 years, 3 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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1329 Comment cmnt(masm_, "[ Throw"); 1329 Comment cmnt(masm_, "[ Throw");
1330 // Throw has no effect on the stack height or the current expression context. 1330 // Throw has no effect on the stack height or the current expression context.
1331 // Usually the expression context is null, because throw is a statement. 1331 // Usually the expression context is null, because throw is a statement.
1332 VisitForStackValue(expr->exception()); 1332 VisitForStackValue(expr->exception());
1333 __ CallRuntime(Runtime::kThrow, 1); 1333 __ CallRuntime(Runtime::kThrow, 1);
1334 decrement_stack_height(); 1334 decrement_stack_height();
1335 // Never returns here. 1335 // Never returns here.
1336 } 1336 }
1337 1337
1338 1338
1339 FullCodeGenerator::NestedStatement* FullCodeGenerator::TryFinally::Exit(
1340 int* stack_depth,
1341 int* context_length) {
1342 // The macros used here must preserve the result register.
1343 __ Drop(*stack_depth);
1344 __ PopTryHandler();
1345 *stack_depth = 0;
1346
1347 Register context = FullCodeGenerator::context_register();
1348 while (*context_length > 0) {
1349 codegen_->LoadContextField(context, Context::PREVIOUS_INDEX);
1350 --(*context_length);
1351 }
1352
1353 __ Call(finally_entry_);
1354 return previous_;
1355 }
1356
1357
1358 FullCodeGenerator::NestedStatement* FullCodeGenerator::TryCatch::Exit( 1339 FullCodeGenerator::NestedStatement* FullCodeGenerator::TryCatch::Exit(
1359 int* stack_depth, 1340 int* stack_depth,
1360 int* context_length) { 1341 int* context_length) {
1361 // The macros used here must preserve the result register. 1342 // The macros used here must preserve the result register.
1362 __ Drop(*stack_depth); 1343 __ Drop(*stack_depth);
1363 __ PopTryHandler(); 1344 __ PopTryHandler();
1364 *stack_depth = 0; 1345 *stack_depth = 0;
1365 return previous_; 1346 return previous_;
1366 } 1347 }
1367 1348
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1383 } 1364 }
1384 1365
1385 return false; 1366 return false;
1386 } 1367 }
1387 1368
1388 1369
1389 #undef __ 1370 #undef __
1390 1371
1391 1372
1392 } } // namespace v8::internal 1373 } } // namespace v8::internal
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