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Side by Side Diff: src/runtime/runtime-generator.cc

Issue 2372373002: Remove getters that duplicate FunctionKind in SharedFunctionInfo and ParseInfo (Closed)
Patch Set: Remove SharedFunctionInfo::is_resumable and FunctionState stuff Created 4 years, 2 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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/runtime/runtime-utils.h" 5 #include "src/runtime/runtime-utils.h"
6 6
7 #include "src/arguments.h" 7 #include "src/arguments.h"
8 #include "src/debug/debug.h" 8 #include "src/debug/debug.h"
9 #include "src/factory.h" 9 #include "src/factory.h"
10 #include "src/frames-inl.h" 10 #include "src/frames-inl.h"
11 #include "src/objects-inl.h" 11 #include "src/objects-inl.h"
12 12
13 namespace v8 { 13 namespace v8 {
14 namespace internal { 14 namespace internal {
15 15
16 RUNTIME_FUNCTION(Runtime_CreateJSGeneratorObject) { 16 RUNTIME_FUNCTION(Runtime_CreateJSGeneratorObject) {
17 HandleScope scope(isolate); 17 HandleScope scope(isolate);
18 DCHECK(args.length() == 2); 18 DCHECK(args.length() == 2);
19 CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0); 19 CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
20 CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 1); 20 CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 1);
21 CHECK(function->shared()->is_resumable()); 21 CHECK(IsResumableFunction(function->shared()->kind()));
22 22
23 Handle<FixedArray> operand_stack; 23 Handle<FixedArray> operand_stack;
24 if (function->shared()->HasBytecodeArray()) { 24 if (function->shared()->HasBytecodeArray()) {
25 // New-style generators. 25 // New-style generators.
26 DCHECK(!function->shared()->HasBaselineCode()); 26 DCHECK(!function->shared()->HasBaselineCode());
27 int size = function->shared()->bytecode_array()->register_count(); 27 int size = function->shared()->bytecode_array()->register_count();
28 operand_stack = isolate->factory()->NewFixedArray(size); 28 operand_stack = isolate->factory()->NewFixedArray(size);
29 } else { 29 } else {
30 // Old-style generators. 30 // Old-style generators.
31 DCHECK(function->shared()->HasBaselineCode()); 31 DCHECK(function->shared()->HasBaselineCode());
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42 return *generator; 42 return *generator;
43 } 43 }
44 44
45 RUNTIME_FUNCTION(Runtime_SuspendJSGeneratorObject) { 45 RUNTIME_FUNCTION(Runtime_SuspendJSGeneratorObject) {
46 HandleScope handle_scope(isolate); 46 HandleScope handle_scope(isolate);
47 DCHECK(args.length() == 1); 47 DCHECK(args.length() == 1);
48 CONVERT_ARG_HANDLE_CHECKED(JSGeneratorObject, generator_object, 0); 48 CONVERT_ARG_HANDLE_CHECKED(JSGeneratorObject, generator_object, 0);
49 49
50 JavaScriptFrameIterator stack_iterator(isolate); 50 JavaScriptFrameIterator stack_iterator(isolate);
51 JavaScriptFrame* frame = stack_iterator.frame(); 51 JavaScriptFrame* frame = stack_iterator.frame();
52 CHECK(frame->function()->shared()->is_resumable()); 52 CHECK(IsResumableFunction(frame->function()->shared()->kind()));
53 DCHECK_EQ(frame->function(), generator_object->function()); 53 DCHECK_EQ(frame->function(), generator_object->function());
54 DCHECK(frame->function()->shared()->is_compiled()); 54 DCHECK(frame->function()->shared()->is_compiled());
55 DCHECK(!frame->function()->IsOptimized()); 55 DCHECK(!frame->function()->IsOptimized());
56 56
57 isolate->debug()->RecordAsyncFunction(generator_object); 57 isolate->debug()->RecordAsyncFunction(generator_object);
58 58
59 // The caller should have saved the context and continuation already. 59 // The caller should have saved the context and continuation already.
60 DCHECK_EQ(generator_object->context(), Context::cast(frame->context())); 60 DCHECK_EQ(generator_object->context(), Context::cast(frame->context()));
61 DCHECK_LT(0, generator_object->continuation()); 61 DCHECK_LT(0, generator_object->continuation());
62 62
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136 HandleScope scope(isolate); 136 HandleScope scope(isolate);
137 DCHECK(args.length() == 1); 137 DCHECK(args.length() == 1);
138 CONVERT_ARG_HANDLE_CHECKED(JSGeneratorObject, generator, 0); 138 CONVERT_ARG_HANDLE_CHECKED(JSGeneratorObject, generator, 0);
139 139
140 if (!generator->is_suspended()) return isolate->heap()->undefined_value(); 140 if (!generator->is_suspended()) return isolate->heap()->undefined_value();
141 return Smi::FromInt(generator->source_position()); 141 return Smi::FromInt(generator->source_position());
142 } 142 }
143 143
144 } // namespace internal 144 } // namespace internal
145 } // namespace v8 145 } // namespace v8
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