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Side by Side Diff: runtime/vm/kernel_to_il.cc

Issue 2850783002: Dart SDK Spelling b, c, and d. (Closed)
Patch Set: Created 3 years, 7 months ago
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1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include <set> 5 #include <set>
6 #include <string> 6 #include <string>
7 7
8 #include "vm/kernel_to_il.h" 8 #include "vm/kernel_to_il.h"
9 9
10 #include "vm/compiler.h" 10 #include "vm/compiler.h"
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3545 // :current_context_var from :await_ctx_var. 3545 // :current_context_var from :await_ctx_var.
3546 // Note: after this point context_depth_ does not match current context 3546 // Note: after this point context_depth_ does not match current context
3547 // depth so we should not access any local variables anymore. 3547 // depth so we should not access any local variables anymore.
3548 dispatch += LoadLocal(scopes_->yield_context_variable); 3548 dispatch += LoadLocal(scopes_->yield_context_variable);
3549 dispatch += StoreLocal(TokenPosition::kNoSource, 3549 dispatch += StoreLocal(TokenPosition::kNoSource,
3550 parsed_function_->current_context_var()); 3550 parsed_function_->current_context_var());
3551 dispatch += Drop(); 3551 dispatch += Drop();
3552 } 3552 }
3553 if (i == (yield_continuations_.length() - 1)) { 3553 if (i == (yield_continuations_.length() - 1)) {
3554 // We reached the last possility, no need to build more ifs. 3554 // We reached the last possility, no need to build more ifs.
3555 // Coninue to the last continuation. 3555 // Continue to the last continuation.
3556 // Note: continuations start with nop DropTemps instruction 3556 // Note: continuations start with nop DropTemps instruction
3557 // which acts like an anchor, so we need to skip it. 3557 // which acts like an anchor, so we need to skip it.
3558 block->set_try_index(yield_continuations_[i].try_index); 3558 block->set_try_index(yield_continuations_[i].try_index);
3559 dispatch <<= yield_continuations_[i].entry->next(); 3559 dispatch <<= yield_continuations_[i].entry->next();
3560 break; 3560 break;
3561 } 3561 }
3562 3562
3563 // Build comparison: 3563 // Build comparison:
3564 // 3564 //
3565 // if (:await_ctx_var == i) { 3565 // if (:await_ctx_var == i) {
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3611 3611
3612 // Call _asyncSetThreadStackTrace 3612 // Call _asyncSetThreadStackTrace
3613 instructions += StaticCall(TokenPosition::kNoSource, target, 1); 3613 instructions += StaticCall(TokenPosition::kNoSource, target, 1);
3614 instructions += Drop(); 3614 instructions += Drop();
3615 3615
3616 body = instructions + body; 3616 body = instructions + body;
3617 context_depth_ = current_context_depth; 3617 context_depth_ = current_context_depth;
3618 } 3618 }
3619 3619
3620 if (NeedsDebugStepCheck(dart_function, function->position())) { 3620 if (NeedsDebugStepCheck(dart_function, function->position())) {
3621 // If a switch was added above: Start the switch by injecting a debugable 3621 // If a switch was added above: Start the switch by injecting a debuggable
3622 // safepoint so stepping over an await works. 3622 // safepoint so stepping over an await works.
3623 // If not, still start the body with a debugable safepoint to ensure 3623 // If not, still start the body with a debuggable safepoint to ensure
3624 // breaking on a method always happens, even if there are no 3624 // breaking on a method always happens, even if there are no
3625 // assignments/calls/runtimecalls in the first basic block. 3625 // assignments/calls/runtimecalls in the first basic block.
3626 // Place this check at the last parameter to ensure parameters 3626 // Place this check at the last parameter to ensure parameters
3627 // are in scope in the debugger at method entry. 3627 // are in scope in the debugger at method entry.
3628 const int num_params = dart_function.NumParameters(); 3628 const int num_params = dart_function.NumParameters();
3629 TokenPosition check_pos = TokenPosition::kNoSource; 3629 TokenPosition check_pos = TokenPosition::kNoSource;
3630 if (num_params > 0) { 3630 if (num_params > 0) {
3631 LocalScope* scope = parsed_function_->node_sequence()->scope(); 3631 LocalScope* scope = parsed_function_->node_sequence()->scope();
3632 const LocalVariable& parameter = *scope->VariableAt(num_params - 1); 3632 const LocalVariable& parameter = *scope->VariableAt(num_params - 1);
3633 check_pos = parameter.token_pos(); 3633 check_pos = parameter.token_pos();
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6823 thread->clear_sticky_error(); 6823 thread->clear_sticky_error();
6824 return error.raw(); 6824 return error.raw();
6825 } 6825 }
6826 } 6826 }
6827 6827
6828 6828
6829 } // namespace kernel 6829 } // namespace kernel
6830 } // namespace dart 6830 } // namespace dart
6831 6831
6832 #endif // !defined(DART_PRECOMPILED_RUNTIME) 6832 #endif // !defined(DART_PRECOMPILED_RUNTIME)
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