1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
# Copyright 2019 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import functools
from .composition_parts import WithCodeGeneratorInfo
from .composition_parts import WithComponent
from .composition_parts import WithDebugInfo
from .composition_parts import WithExposure
from .composition_parts import WithExtendedAttributes
from .composition_parts import WithOwner
from .composition_parts import WithOwnerMixin
from .function_like import FunctionLike
from .function_like import OverloadGroup
from .make_copy import make_copy
class Operation(FunctionLike, WithExtendedAttributes, WithCodeGeneratorInfo,
WithExposure, WithOwner, WithOwnerMixin, WithComponent,
WithDebugInfo):
"""https://webidl.spec.whatwg.org/#idl-operations"""
class IR(FunctionLike.IR, WithExtendedAttributes, WithCodeGeneratorInfo,
WithExposure, WithOwnerMixin, WithComponent, WithDebugInfo):
def __init__(self,
identifier,
arguments,
return_type,
is_static=False,
is_getter=False,
is_setter=False,
is_deleter=False,
extended_attributes=None,
component=None,
debug_info=None):
assert isinstance(is_getter, bool)
assert isinstance(is_setter, bool)
assert isinstance(is_deleter, bool)
assert is_getter + is_setter + is_deleter <= 1 # At most 1 True
FunctionLike.IR.__init__(
self,
identifier=identifier,
arguments=arguments,
return_type=return_type,
is_static=is_static)
WithExtendedAttributes.__init__(self, extended_attributes)
WithCodeGeneratorInfo.__init__(self)
WithExposure.__init__(self)
WithOwnerMixin.__init__(self)
WithComponent.__init__(self, component)
WithDebugInfo.__init__(self, debug_info)
self.is_getter = is_getter
self.is_setter = is_setter
self.is_deleter = is_deleter
self.is_stringifier = False
self.stringifier_attribute = None
self.is_async_iterator = False
self.is_iterator = False
self.is_optionally_defined = False
def __init__(self, ir, owner):
assert isinstance(ir, Operation.IR)
FunctionLike.__init__(self, ir)
WithExtendedAttributes.__init__(self, ir, readonly=True)
WithCodeGeneratorInfo.__init__(self, ir, readonly=True)
WithExposure.__init__(self, ir, readonly=True)
WithOwner.__init__(self, owner)
WithOwnerMixin.__init__(self, ir)
WithComponent.__init__(self, ir, readonly=True)
WithDebugInfo.__init__(self, ir)
self._is_static = ir.is_static
self._is_getter = ir.is_getter
self._is_setter = ir.is_setter
self._is_deleter = ir.is_deleter
self._is_stringifier = ir.is_stringifier
self._stringifier_attribute = ir.stringifier_attribute
self._is_async_iterator = ir.is_async_iterator
self._is_iterator = ir.is_iterator
self._is_optionally_defined = ir.is_optionally_defined
@property
def is_special_operation(self):
return (self.is_getter or self.is_setter or self.is_deleter
or self.is_stringifier)
@property
def is_indexed_or_named_property_operation(self):
"""
Returns True if this is an indexed or named property special operation
(one of getter, setter, or deleter).
"""
return self.is_getter or self.is_setter or self.is_deleter
@property
def is_static(self):
"""Returns True if this is a static operation."""
return self._is_static
@property
def is_getter(self):
"""Returns True if this is an indexed or named getter operation."""
return self._is_getter
@property
def is_setter(self):
"""Returns True if this is an indexed or named setter operation."""
return self._is_setter
@property
def is_deleter(self):
"""Returns True if this is a named deleter operation."""
return self._is_deleter
@property
def is_stringifier(self):
"""Returns True if this is a stringifier operation."""
return self._is_stringifier
@property
def stringifier_attribute(self):
"""
Returns the identifier of an attribute when the stringifying target is
an attribute.
"""
return self._stringifier_attribute
@property
def is_async_iterator(self):
"""
Returns True if this operation must be exposed as @@asyncIterator in
addition to a property with the identifier.
"""
return self._is_async_iterator
@property
def is_iterator(self):
"""
Returns True if this operation must be exposed as @@iterator in
addition to a property with the identifier.
"""
return self._is_iterator
@property
def is_optionally_defined(self):
"""
Returns True if this operation will be defined only when the interface
doesn't declare a member with the same identifier, i.e. this operation
will be shadowed by an own member declaration.
"""
return self._is_optionally_defined
class OperationGroup(OverloadGroup, WithExtendedAttributes,
WithCodeGeneratorInfo, WithExposure, WithOwner,
WithComponent, WithDebugInfo):
"""
Represents a group of operations with the same identifier and
static/prototype visibility.
The number of operations in this group may be 1 or 2+. In the latter case,
the operations are overloaded.
"""
class IR(OverloadGroup.IR, WithExtendedAttributes, WithCodeGeneratorInfo,
WithExposure, WithDebugInfo):
def __init__(self,
operations,
extended_attributes=None,
code_generator_info=None,
debug_info=None):
OverloadGroup.IR.__init__(self, operations)
WithExtendedAttributes.__init__(self, extended_attributes)
WithCodeGeneratorInfo.__init__(self, code_generator_info)
WithExposure.__init__(self)
WithDebugInfo.__init__(self, debug_info)
def __init__(self, ir, operations, owner):
assert isinstance(ir, OperationGroup.IR)
assert isinstance(operations, (list, tuple))
assert all(
isinstance(operation, Operation) for operation in operations)
assert all(
operation.identifier == ir.identifier for operation in operations)
components = functools.reduce(
lambda s, operation: s.union(operation.components), operations,
set())
ir = make_copy(ir)
OverloadGroup.__init__(self, functions=operations)
WithExtendedAttributes.__init__(self, ir, readonly=True)
WithCodeGeneratorInfo.__init__(self, ir, readonly=True)
WithExposure.__init__(self, ir, readonly=True)
WithOwner.__init__(self, owner)
WithComponent.__init__(self, sorted(components))
WithDebugInfo.__init__(self, ir)
|
