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39 | |
40 | #ifndef QV4GENERATOROBJECT_P_H |
41 | #define QV4GENERATOROBJECT_P_H |
42 | |
43 | // |
44 | // W A R N I N G |
45 | // ------------- |
46 | // |
47 | // This file is not part of the Qt API. It exists purely as an |
48 | // implementation detail. This header file may change from version to |
49 | // version without notice, or even be removed. |
50 | // |
51 | // We mean it. |
52 | // |
53 | |
54 | #include "qv4functionobject_p.h" |
55 | #include "qv4stackframe_p.h" |
56 | |
57 | QT_BEGIN_NAMESPACE |
58 | |
59 | namespace QV4 { |
60 | |
61 | enum class GeneratorState { |
62 | Undefined, |
63 | SuspendedStart, |
64 | SuspendedYield, |
65 | Executing, |
66 | Completed |
67 | }; |
68 | |
69 | namespace Heap { |
70 | |
71 | struct GeneratorFunctionCtor : FunctionObject { |
72 | void init(QV4::ExecutionContext *scope); |
73 | }; |
74 | |
75 | struct GeneratorFunction : ArrowFunction { |
76 | void init(QV4::ExecutionContext *scope, Function *function, QV4::String *name = nullptr) { |
77 | ArrowFunction::init(scope, function, name); |
78 | } |
79 | }; |
80 | |
81 | struct MemberGeneratorFunction : MemberFunction { |
82 | }; |
83 | |
84 | struct GeneratorPrototype : FunctionObject { |
85 | void init(); |
86 | }; |
87 | |
88 | #define GeneratorObjectMembers(class, Member) \ |
89 | Member(class, Pointer, ExecutionContext *, context) \ |
90 | Member(class, NoMark, GeneratorState, state) \ |
91 | Member(class, NoMark, CppStackFrame, cppFrame) \ |
92 | Member(class, Pointer, ArrayObject *, values) \ |
93 | Member(class, Pointer, ArrayObject *, jsFrame) |
94 | |
95 | DECLARE_HEAP_OBJECT(GeneratorObject, Object) { |
96 | DECLARE_MARKOBJECTS(GeneratorObject); |
97 | }; |
98 | |
99 | } |
100 | |
101 | struct GeneratorFunctionCtor : FunctionCtor |
102 | { |
103 | V4_OBJECT2(GeneratorFunctionCtor, FunctionCtor) |
104 | |
105 | static ReturnedValue virtualCallAsConstructor(const FunctionObject *f, const Value *argv, int argc, const Value *); |
106 | static ReturnedValue virtualCall(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc); |
107 | }; |
108 | |
109 | struct GeneratorFunction : ArrowFunction |
110 | { |
111 | V4_OBJECT2(GeneratorFunction, ArrowFunction) |
112 | V4_INTERNALCLASS(GeneratorFunction) |
113 | |
114 | static Heap::FunctionObject *create(ExecutionContext *scope, Function *function); |
115 | static ReturnedValue virtualCall(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc); |
116 | }; |
117 | |
118 | struct MemberGeneratorFunction : MemberFunction |
119 | { |
120 | V4_OBJECT2(MemberGeneratorFunction, MemberFunction) |
121 | V4_INTERNALCLASS(MemberGeneratorFunction) |
122 | |
123 | static Heap::FunctionObject *create(ExecutionContext *scope, Function *function, Object *homeObject, String *name); |
124 | static ReturnedValue virtualCall(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc); |
125 | }; |
126 | |
127 | struct GeneratorPrototype : Object |
128 | { |
129 | void init(ExecutionEngine *engine, Object *ctor); |
130 | |
131 | static ReturnedValue method_next(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
132 | static ReturnedValue method_return(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
133 | static ReturnedValue method_throw(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
134 | }; |
135 | |
136 | |
137 | struct GeneratorObject : Object { |
138 | V4_OBJECT2(GeneratorObject, Object) |
139 | Q_MANAGED_TYPE(GeneratorObject) |
140 | V4_INTERNALCLASS(GeneratorObject) |
141 | V4_PROTOTYPE(generatorPrototype) |
142 | |
143 | ReturnedValue resume(ExecutionEngine *engine, const Value &arg) const; |
144 | }; |
145 | |
146 | } |
147 | |
148 | QT_END_NAMESPACE |
149 | |
150 | #endif // QV4GENERATORFUNCTION_P_H |
151 | |
152 | |