| # Copyright (C) 2013 Google Inc. All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following disclaimer |
| # in the documentation and/or other materials provided with the |
| # distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| """Functions shared by various parts of the code generator. |
| |
| FIXME: Not currently used in build. |
| This is a rewrite of the Perl IDL compiler in Python, but is not complete. |
| Once it is complete, we will switch all IDL files over to Python at once. |
| Until then, please work on the Perl IDL compiler. |
| For details, see bug http://crbug.com/239771 |
| """ |
| |
| # FIXME: eliminate this file if possible |
| |
| import v8_types |
| |
| ACRONYMS = ['CSS', 'HTML', 'IME', 'JS', 'SVG', 'URL', 'WOFF', 'XML', 'XSLT'] |
| |
| |
| # FIXME: these could be merged as implemented_as_cpp_name |
| def cpp_class_name(interface): |
| return interface.extended_attributes.get('ImplementedAs', interface.name) |
| |
| |
| def cpp_method_name(attribute_or_operation): |
| return attribute_or_operation.extended_attributes.get('ImplementedAs', attribute_or_operation.name) |
| |
| |
| def generate_conditional_string(interface_or_attribute_or_operation): |
| if 'Conditional' not in interface_or_attribute_or_operation.extended_attributes: |
| return '' |
| conditional = interface_or_attribute_or_operation.extended_attributes['Conditional'] |
| for operator in ['&', '|']: |
| if operator in conditional: |
| conditions = set(conditional.split(operator)) |
| operator_separator = ' %s%s ' % (operator, operator) |
| return operator_separator.join(['ENABLE(%s)' % expression for expression in sorted(conditions)]) |
| return 'ENABLE(%s)' % conditional |
| |
| |
| def runtime_enable_function_name(definition_or_member): |
| """Return the name of the RuntimeEnabledFeatures function. |
| |
| The returned function checks if a method/attribute is enabled. |
| Given extended attribute EnabledAtRuntime=FeatureName, return: |
| RuntimeEnabledFeatures::{featureName}Enabled |
| Note that the initial character or acronym is uncapitalized. |
| """ |
| feature_name = definition_or_member.extended_attributes['EnabledAtRuntime'] |
| return 'RuntimeEnabledFeatures::%sEnabled' % uncapitalize(feature_name) |
| |
| |
| def uncapitalize(name): |
| """Uncapitalize first letter or initial acronym (* with some exceptions). |
| |
| E.g., 'SetURL' becomes 'setURL', but 'URLFoo' becomes 'urlFoo'. |
| Used in method names; exceptions differ from capitalize(). |
| """ |
| for acronym in ACRONYMS: |
| if name.startswith(acronym): |
| name.replace(acronym, acronym.lower()) |
| return name |
| return name[0].lower() + name[1:] |
| |
| |
| def v8_class_name(interface): |
| return v8_types.v8_type(interface.name) |