149     class Arch():  class in GnParser.Target
208       self.arch = {'common': self.Arch()}
228     # Properties to forward access to common arch.
232       return self.arch['common'].sources
236       self.arch['common'].sources = val
240       return self.arch['common'].inputs
244       self.arch['common'].inputs = val
248       return self.arch['common'].outputs
252       self.arch['common'].outputs = val
256       return self.arch['common'].args
260       self.arch['common'].args = val
264       return self.arch['common'].response_file_contents
268       self.arch['common'].response_file_contents = val
272       return self.arch['common'].cflags
276       return self.arch['common'].defines
280       return self.arch['common'].deps
284       self.arch['common'].deps = val
288       return self.arch['common'].rust_flags
292       self.arch['common'].rust_flags = val
296       return self.arch['common'].include_dirs
300       return self.arch['common'].ldflags
303       return 'host' in self.arch
306       return any([name.startswith('android') for name in self.arch.keys()])
327     def update(self, other, arch):  argument
334         getattr(self.arch[arch],
335                 key_in_arch).update(getattr(other.arch[arch], key_in_arch, []))
338       """ Returns a dict of archs without the common arch """
339       return {arch: val for arch, val in self.arch.items() if arch != 'common'}
342       # Target contains the intersection of arch-dependent properties
345               *[getattr(arch, key) for arch in self.get_archs().values()]))
347       # Deduplicate arch-dependent properties
348       for arch in self.get_archs().values():
349         getattr(arch, key).difference_update(getattr(self, key))
352       # Only when all the arch has the same non empty value, move the value to the target common
355           [val == getattr(arch, key) for arch in self.get_archs().values()]):
368       """Move common properties out of arch-dependent subobjects to Target object.
376       if len(self.arch) == 1:
454     arch, chromium_arch = self._get_arch(desc['toolchain'])
465     if arch not in target.arch:
466       target.arch[arch] = GnParser.Target.Arch()
494       target.arch[arch].sources.update(desc.get('sources', []))
495       target.arch[arch].inputs.update(desc.get('inputs', []))
497       target.arch[arch].sources.update(source
501       target.arch[arch].sources.update(source
505       target.arch[arch].sources.update(source
538       target.arch[arch].inputs.update(desc.get('inputs', []))
539       target.arch[arch].sources.update(desc.get('sources', []))
541       target.arch[arch].outputs.update(outs)
545       target.arch[arch].args = desc['args']
546       target.arch[
547           arch].response_file_contents = self._get_response_file_contents(desc)
563       target.arch[arch].sources.update(source
579     target.arch[arch].cflags.update(
582     target.arch[arch].ldflags.update(desc.get('ldflags', []))
583     target.arch[arch].defines.update(desc.get('defines', []))
584     target.arch[arch].include_dirs.update(desc.get('include_dirs', []))
588     target.arch[arch].rust_flags = desc.get("rustflags", list())
589     target.arch[arch].rust_flags.extend(
596     if "-frtti" in target.arch[arch].cflags:
612         target.update(dep, arch)
614         target.update(dep, arch)  # Bubble up groups's cflags/ldflags etc.
618         target.arch[arch].deps.add(dep.name)
622         target.arch[arch].deps.add(dep.name)
624         target.arch[arch].deps.add(dep.name)
632         target.arch[arch].deps.add(dep.name)
638         target.arch[arch].transitive_static_libs_deps.add(dep.name)
640       if arch in dep.arch:
641         target.arch[arch].transitive_static_libs_deps.update(
642             dep.arch[arch].transitive_static_libs_deps)
643         target.arch[arch].deps.update(
644             target.arch[arch].transitive_static_libs_deps)