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1 # Copyright (C) 2013 Google Inc. All rights reserved. | |
2 # | |
3 # Redistribution and use in source and binary forms, with or without | |
4 # modification, are permitted provided that the following conditions are | |
5 # met: | |
6 # | |
7 # * Redistributions of source code must retain the above copyright | |
8 # notice, this list of conditions and the following disclaimer. | |
9 # * Redistributions in binary form must reproduce the above | |
10 # copyright notice, this list of conditions and the following disclaimer | |
11 # in the documentation and/or other materials provided with the | |
12 # distribution. | |
13 # * Neither the name of Google Inc. nor the names of its | |
14 # contributors may be used to endorse or promote products derived from | |
15 # this software without specific prior written permission. | |
16 # | |
17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
28 | |
29 """Functions shared by various parts of the code generator. | |
30 | |
31 Extends IdlType and IdlUnion type with |enum_validation_expression| property. | |
32 | |
33 Design doc: http://www.chromium.org/developers/design-documents/idl-compiler | |
34 """ | |
35 | |
36 | |
37 ################################################################################ | |
38 # Utility function exposed for Dart CodeGenerator. Only 6 methods are special | |
39 # to Dart the rest delegate to the v8_utilities functions. | |
40 ################################################################################ | |
41 | |
42 | |
43 import v8_types # Required | |
44 import v8_utilities | |
45 | |
46 | |
47 def _scoped_name(interface, definition, base_name): | |
48 # partial interfaces are implemented as separate classes, with their members | |
49 # implemented as static member functions | |
50 partial_interface_implemented_as = definition.extended_attributes.get('Parti
alInterfaceImplementedAs') | |
51 if partial_interface_implemented_as: | |
52 return '%s::%s' % (partial_interface_implemented_as, base_name) | |
53 if (definition.is_static or | |
54 definition.name in ('Constructor', 'NamedConstructor')): | |
55 return '%s::%s' % (v8_utilities.cpp_name(interface), base_name) | |
56 return 'receiver->%s' % base_name | |
57 | |
58 | |
59 def _bool_to_cpp(tf): | |
60 return "true" if tf else "false" | |
61 | |
62 | |
63 # [ActivityLogging] | |
64 def _activity_logging_world_list(member, access_type=None): | |
65 """Returns a set of world suffixes for which a definition member has activit
y logging, for specified access type. | |
66 | |
67 access_type can be 'Getter' or 'Setter' if only checking getting or setting. | |
68 """ | |
69 if 'ActivityLogging' not in member.extended_attributes: | |
70 return set() | |
71 activity_logging = member.extended_attributes['ActivityLogging'] | |
72 # [ActivityLogging=For*] (no prefix, starts with the worlds suffix) means | |
73 # "log for all use (method)/access (attribute)", otherwise check that value | |
74 # agrees with specified access_type (Getter/Setter). | |
75 has_logging = (activity_logging.startswith('For') or | |
76 (access_type and activity_logging.startswith(access_type))) | |
77 if not has_logging: | |
78 return set() | |
79 # TODO(terry): Remove Me? | |
80 # includes.add('bindings/v8/V8DOMActivityLogger.h') | |
81 if activity_logging.endswith('ForIsolatedWorlds'): | |
82 return set(['']) | |
83 return set(['', 'ForMainWorld']) # endswith('ForAllWorlds') | |
84 | |
85 | |
86 # [CallWith] | |
87 _CALL_WITH_ARGUMENTS = { | |
88 'ScriptState': '&state', | |
89 'ExecutionContext': 'context', | |
90 'ScriptArguments': 'scriptArguments.release()', | |
91 'ActiveWindow': 'DartUtilities::callingDomWindowForCurrentIsolate()', | |
92 'FirstWindow': 'DartUtilities::enteredDomWindowForCurrentIsolate()', | |
93 } | |
94 | |
95 # List because key order matters, as we want arguments in deterministic order | |
96 _CALL_WITH_VALUES = [ | |
97 'ScriptState', | |
98 'ExecutionContext', | |
99 'ScriptArguments', | |
100 'ActiveWindow', | |
101 'FirstWindow', | |
102 ] | |
103 | |
104 | |
105 def _call_with_arguments(member, call_with_values=None): | |
106 # Optional parameter so setter can override with [SetterCallWith] | |
107 call_with_values = call_with_values or member.extended_attributes.get('CallW
ith') | |
108 if not call_with_values: | |
109 return [] | |
110 return [_CALL_WITH_ARGUMENTS[value] | |
111 for value in _CALL_WITH_VALUES | |
112 if v8_utilities.extended_attribute_value_contains(call_with_values,
value)] | |
113 | |
114 | |
115 # [DeprecateAs] | |
116 def _deprecate_as(member): | |
117 extended_attributes = member.extended_attributes | |
118 if 'DeprecateAs' not in extended_attributes: | |
119 return None | |
120 # TODO(terry): Remove me? | |
121 # includes.add('core/frame/UseCounter.h') | |
122 return extended_attributes['DeprecateAs'] | |
123 | |
124 | |
125 # [MeasureAs] | |
126 def _measure_as(definition_or_member): | |
127 extended_attributes = definition_or_member.extended_attributes | |
128 if 'MeasureAs' not in extended_attributes: | |
129 return None | |
130 # TODO(terry): Remove Me? | |
131 # includes.add('core/frame/UseCounter.h') | |
132 return extended_attributes['MeasureAs'] | |
133 | |
134 | |
135 ################################################################################ | |
136 # This is the monkey patched methods most delegate to v8_utilities but some are | |
137 # overridden in dart_utilities. | |
138 ################################################################################ | |
139 | |
140 | |
141 class dart_utilities_monkey(): | |
142 def __init__(self): | |
143 self.base_class_name = 'dart_utilities' | |
144 | |
145 DartUtilities = dart_utilities_monkey() | |
146 | |
147 DartUtilities.activity_logging_world_list = _activity_logging_world_list | |
148 DartUtilities.bool_to_cpp = _bool_to_cpp | |
149 DartUtilities.call_with_arguments = _call_with_arguments | |
150 DartUtilities.capitalize = v8_utilities.capitalize | |
151 DartUtilities.conditional_string = v8_utilities.conditional_string | |
152 DartUtilities.cpp_name = v8_utilities.cpp_name | |
153 DartUtilities.deprecate_as = _deprecate_as | |
154 DartUtilities.extended_attribute_value_contains = v8_utilities.extended_attribut
e_value_contains | |
155 DartUtilities.gc_type = v8_utilities.gc_type | |
156 DartUtilities.has_extended_attribute = v8_utilities.has_extended_attribute | |
157 DartUtilities.has_extended_attribute_value = v8_utilities.has_extended_attribute
_value | |
158 DartUtilities.measure_as = _measure_as | |
159 DartUtilities.per_context_enabled_function_name = v8_utilities.per_context_enabl
ed_function_name | |
160 DartUtilities.runtime_enabled_function_name = v8_utilities.runtime_enabled_funct
ion_name | |
161 DartUtilities.scoped_name = _scoped_name | |
162 DartUtilities.strip_suffix = v8_utilities.strip_suffix | |
163 DartUtilities.uncapitalize = v8_utilities.uncapitalize | |
164 DartUtilities.v8_class_name = v8_utilities.v8_class_name | |
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