| # 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. |
| |
| import os.path |
| import re |
| |
| from in_generator import Maker |
| import in_generator |
| import license |
| import name_utilities |
| |
| |
| HEADER_TEMPLATE = """%(license)s |
| |
| #ifndef %(namespace)s%(suffix)sHeaders_h |
| #define %(namespace)s%(suffix)sHeaders_h |
| %(base_header_for_suffix)s |
| %(includes)s |
| |
| #endif // %(namespace)s%(suffix)sHeaders_h |
| """ |
| |
| |
| INTERFACES_HEADER_TEMPLATE = """%(license)s |
| |
| #ifndef %(namespace)s%(suffix)sInterfaces_h |
| #define %(namespace)s%(suffix)sInterfaces_h |
| %(base_header_for_suffix)s |
| %(declare_conditional_macros)s |
| |
| #define %(macro_style_name)s_INTERFACES_FOR_EACH(macro) \\ |
| \\ |
| %(unconditional_macros)s |
| \\ |
| %(conditional_macros)s |
| |
| #endif // %(namespace)s%(suffix)sInterfaces_h |
| """ |
| |
| |
| class Writer(in_generator.Writer): |
| def __init__(self, in_file_path): |
| super(Writer, self).__init__(in_file_path) |
| self.namespace = self.in_file.parameters['namespace'].strip('"') |
| self.suffix = self.in_file.parameters['suffix'].strip('"') |
| self._entries_by_conditional = {} |
| self._unconditional_entries = [] |
| self._validate_entries() |
| self._sort_entries_by_conditional() |
| self._outputs = {(self.namespace + self.suffix + "Headers.h"): self.generate_headers_header, |
| (self.namespace + self.suffix + "Interfaces.h"): self.generate_interfaces_header, |
| } |
| |
| def _validate_entries(self): |
| # If there is more than one entry with the same script name, only the first one will ever |
| # be hit in practice, and so we'll silently ignore any properties requested for the second |
| # (like RuntimeEnabled - see crbug.com/332588). |
| entries_by_script_name = dict() |
| for entry in self.in_file.name_dictionaries: |
| script_name = name_utilities.script_name(entry) |
| if script_name in entries_by_script_name: |
| self._fatal('Multiple entries with script_name=%(script_name)s: %(name1)s %(name2)s' % { |
| 'script_name': script_name, |
| 'name1': entry['name'], |
| 'name2': entries_by_script_name[script_name]['name']}) |
| entries_by_script_name[script_name] = entry |
| |
| def _fatal(self, message): |
| print 'FATAL ERROR: ' + message |
| exit(1) |
| |
| def _sort_entries_by_conditional(self): |
| unconditional_names = set() |
| for entry in self.in_file.name_dictionaries: |
| conditional = entry['Conditional'] |
| if not conditional: |
| cpp_name = name_utilities.cpp_name(entry) |
| if cpp_name in unconditional_names: |
| continue |
| unconditional_names.add(cpp_name) |
| self._unconditional_entries.append(entry) |
| continue |
| for entry in self.in_file.name_dictionaries: |
| cpp_name = name_utilities.cpp_name(entry) |
| if cpp_name in unconditional_names: |
| continue |
| conditional = entry['Conditional'] |
| if not conditional in self._entries_by_conditional: |
| self._entries_by_conditional[conditional] = [] |
| self._entries_by_conditional[conditional].append(entry) |
| |
| def _headers_header_include_path(self, entry): |
| if entry['ImplementedAs']: |
| path = os.path.dirname(entry['name']) |
| if len(path): |
| path += '/' |
| path += entry['ImplementedAs'] |
| else: |
| path = entry['name'] |
| return path + '.h' |
| |
| def _headers_header_includes(self, entries): |
| includes = dict() |
| for entry in entries: |
| cpp_name = name_utilities.cpp_name(entry) |
| # Avoid duplicate includes. |
| if cpp_name in includes: |
| continue |
| include = '#include "%(path)s"\n' % { |
| 'path': self._headers_header_include_path(entry), |
| } |
| includes[cpp_name] = self.wrap_with_condition(include, entry['Conditional']) |
| return includes.values() |
| |
| def generate_headers_header(self): |
| base_header_for_suffix = '' |
| if self.suffix: |
| base_header_for_suffix = '\n#include "core/%(namespace)sHeaders.h"\n' % {'namespace': self.namespace} |
| return HEADER_TEMPLATE % { |
| 'license': license.license_for_generated_cpp(), |
| 'namespace': self.namespace, |
| 'suffix': self.suffix, |
| 'base_header_for_suffix': base_header_for_suffix, |
| 'includes': '\n'.join(self._headers_header_includes(self.in_file.name_dictionaries)), |
| } |
| |
| def _declare_one_conditional_macro(self, conditional, entries): |
| macro_name = '%(macro_style_name)s_INTERFACES_FOR_EACH_%(conditional)s' % { |
| 'macro_style_name': name_utilities.to_macro_style(self.namespace + self.suffix), |
| 'conditional': conditional, |
| } |
| return self.wrap_with_condition("""#define %(macro_name)s(macro) \\ |
| %(declarations)s |
| |
| #else |
| #define %(macro_name)s(macro)""" % { |
| 'macro_name': macro_name, |
| 'declarations': '\n'.join(sorted(set([ |
| ' macro(%(cpp_name)s) \\' % {'cpp_name': name_utilities.cpp_name(entry)} |
| for entry in entries]))), |
| }, conditional) |
| |
| def _declare_conditional_macros(self): |
| return '\n'.join([ |
| self._declare_one_conditional_macro(conditional, entries) |
| for conditional, entries in self._entries_by_conditional.items()]) |
| |
| def _unconditional_macro(self, entry): |
| return ' macro(%(cpp_name)s) \\' % {'cpp_name': name_utilities.cpp_name(entry)} |
| |
| def _conditional_macros(self, conditional): |
| return ' %(macro_style_name)s_INTERFACES_FOR_EACH_%(conditional)s(macro) \\' % { |
| 'macro_style_name': name_utilities.to_macro_style(self.namespace + self.suffix), |
| 'conditional': conditional, |
| } |
| |
| def generate_interfaces_header(self): |
| base_header_for_suffix = '' |
| if self.suffix: |
| base_header_for_suffix = '\n#include "core/%(namespace)sInterfaces.h"\n' % {'namespace': self.namespace} |
| return INTERFACES_HEADER_TEMPLATE % { |
| 'license': license.license_for_generated_cpp(), |
| 'namespace': self.namespace, |
| 'suffix': self.suffix, |
| 'base_header_for_suffix': base_header_for_suffix, |
| 'macro_style_name': name_utilities.to_macro_style(self.namespace + self.suffix), |
| 'declare_conditional_macros': self._declare_conditional_macros(), |
| 'unconditional_macros': '\n'.join(sorted(set(map(self._unconditional_macro, self._unconditional_entries)))), |
| 'conditional_macros': '\n'.join(map(self._conditional_macros, self._entries_by_conditional.keys())), |
| } |