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Issue 1278783002: [es6] Use strict arguments objects for destructured parameters (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Doh Created 5 years, 4 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 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_ARM 7 #if V8_TARGET_ARCH_ARM
8 8
9 #include "src/code-factory.h" 9 #include "src/code-factory.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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311 311
312 __ add(r2, fp, Operand(StandardFrameConstants::kCallerSPOffset + offset)); 312 __ add(r2, fp, Operand(StandardFrameConstants::kCallerSPOffset + offset));
313 __ mov(r1, Operand(Smi::FromInt(num_parameters))); 313 __ mov(r1, Operand(Smi::FromInt(num_parameters)));
314 __ Push(r3, r2, r1); 314 __ Push(r3, r2, r1);
315 315
316 // Arguments to ArgumentsAccessStub: 316 // Arguments to ArgumentsAccessStub:
317 // function, receiver address, parameter count. 317 // function, receiver address, parameter count.
318 // The stub will rewrite receiver and parameter count if the previous 318 // The stub will rewrite receiver and parameter count if the previous
319 // stack frame was an arguments adapter frame. 319 // stack frame was an arguments adapter frame.
320 ArgumentsAccessStub::Type type; 320 ArgumentsAccessStub::Type type;
321 if (is_strict(language_mode()) || !is_simple_parameter_list()) { 321 if (is_strict(language_mode()) || !has_simple_parameters()) {
322 type = ArgumentsAccessStub::NEW_STRICT; 322 type = ArgumentsAccessStub::NEW_STRICT;
323 } else if (function()->has_duplicate_parameters()) { 323 } else if (function()->has_duplicate_parameters()) {
324 type = ArgumentsAccessStub::NEW_SLOPPY_SLOW; 324 type = ArgumentsAccessStub::NEW_SLOPPY_SLOW;
325 } else { 325 } else {
326 type = ArgumentsAccessStub::NEW_SLOPPY_FAST; 326 type = ArgumentsAccessStub::NEW_SLOPPY_FAST;
327 } 327 }
328 ArgumentsAccessStub stub(isolate(), type); 328 ArgumentsAccessStub stub(isolate(), type);
329 __ CallStub(&stub); 329 __ CallStub(&stub);
330 330
331 SetVar(arguments, r0, r1, r2); 331 SetVar(arguments, r0, r1, r2);
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5467 DCHECK(interrupt_address == 5467 DCHECK(interrupt_address ==
5468 isolate->builtins()->OsrAfterStackCheck()->entry()); 5468 isolate->builtins()->OsrAfterStackCheck()->entry());
5469 return OSR_AFTER_STACK_CHECK; 5469 return OSR_AFTER_STACK_CHECK;
5470 } 5470 }
5471 5471
5472 5472
5473 } // namespace internal 5473 } // namespace internal
5474 } // namespace v8 5474 } // namespace v8
5475 5475
5476 #endif // V8_TARGET_ARCH_ARM 5476 #endif // V8_TARGET_ARCH_ARM
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