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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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Chromium Code Reviews
Issue 554853002:
"Reverting 39948" (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart