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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from operator import itemgetter
import mozpack.path as mozpath
import six
from mozpack.manifests import InstallManifest
from mozbuild.backend.base import PartialBackend
from mozbuild.backend.make import MakeBackend
from mozbuild.frontend.context import ObjDirPath, Path
from mozbuild.frontend.data import (
ChromeManifestEntry,
FinalTargetFiles,
FinalTargetPreprocessedFiles,
GeneratedFile,
JARManifest,
LocalizedFiles,
LocalizedPreprocessedFiles,
XPIDLModule,
)
from mozbuild.makeutil import Makefile
from mozbuild.util import OrderedDefaultDict
class FasterMakeBackend(MakeBackend, PartialBackend):
def _init(self):
super(FasterMakeBackend, self)._init()
self._manifest_entries = OrderedDefaultDict(set)
self._install_manifests = OrderedDefaultDict(InstallManifest)
self._dependencies = OrderedDefaultDict(list)
self._l10n_dependencies = OrderedDefaultDict(list)
self._has_xpidl = False
self._generated_files_map = {}
self._generated_files = []
def _add_preprocess(self, obj, path, dest, target=None, **kwargs):
if target is None:
target = mozpath.basename(path)
# This matches what PP_TARGETS do in config/rules.
if target.endswith(".in"):
target = target[:-3]
if target.endswith(".css"):
kwargs["marker"] = "%"
depfile = mozpath.join(
self.environment.topobjdir,
"faster",
".deps",
mozpath.join(obj.install_target, dest, target).replace("/", "_"),
)
self._install_manifests[obj.install_target].add_preprocess(
mozpath.join(obj.srcdir, path),
mozpath.join(dest, target),
depfile,
**kwargs
)
def consume_object(self, obj):
if isinstance(obj, JARManifest) and obj.install_target.startswith("dist/bin"):
self._consume_jar_manifest(obj)
elif isinstance(
obj, (FinalTargetFiles, FinalTargetPreprocessedFiles)
) and obj.install_target.startswith("dist/bin"):
ab_cd = self.environment.substs["MOZ_UI_LOCALE"][0]
localized = isinstance(obj, (LocalizedFiles, LocalizedPreprocessedFiles))
defines = obj.defines or {}
if defines:
defines = defines.defines
for path, files in obj.files.walk():
for f in files:
# For localized files we need to find the file from the locale directory.
if localized and not isinstance(f, ObjDirPath) and ab_cd != "en-US":
src = self.localized_path(obj.relsrcdir, f)
dep_target = "install-%s" % obj.install_target
if "*" not in src:
merge = mozpath.abspath(
mozpath.join(
self.environment.topobjdir,
"l10n_merge",
obj.relsrcdir,
f,
)
)
self._l10n_dependencies[dep_target].append(
(merge, f.full_path, src)
)
src = merge
else:
src = f.full_path
if isinstance(obj, FinalTargetPreprocessedFiles):
self._add_preprocess(
obj, src, path, target=f.target_basename, defines=defines
)
elif "*" in f:
def _prefix(s):
for p in mozpath.split(s):
if "*" not in p:
yield p + "/"
prefix = "".join(_prefix(src))
if "*" in f.target_basename:
target = path
else:
target = mozpath.join(path, f.target_basename)
self._install_manifests[obj.install_target].add_pattern_link(
prefix, src[len(prefix) :], target
)
else:
self._install_manifests[obj.install_target].add_link(
src, mozpath.join(path, f.target_basename)
)
if isinstance(f, ObjDirPath):
dep_target = "install-%s" % obj.install_target
dep = mozpath.relpath(f.full_path, self.environment.topobjdir)
if dep in self._generated_files_map:
# Only the first output file is specified as a
# dependency. If there are multiple output files
# from a single GENERATED_FILES invocation that are
# installed, we only want to run the command once.
dep = self._generated_files_map[dep]
self._dependencies[dep_target].append(dep)
elif isinstance(obj, ChromeManifestEntry) and obj.install_target.startswith(
"dist/bin"
):
top_level = mozpath.join(obj.install_target, "chrome.manifest")
if obj.path != top_level:
entry = "manifest %s" % mozpath.relpath(obj.path, obj.install_target)
self._manifest_entries[top_level].add(entry)
self._manifest_entries[obj.path].add(str(obj.entry))
elif isinstance(obj, GeneratedFile):
if obj.outputs:
first_output = mozpath.relpath(
mozpath.join(obj.objdir, obj.outputs[0]), self.environment.topobjdir
)
for o in obj.outputs[1:]:
fullpath = mozpath.join(obj.objdir, o)
self._generated_files_map[
mozpath.relpath(fullpath, self.environment.topobjdir)
] = first_output
self._generated_files.append(obj)
return False
elif isinstance(obj, XPIDLModule):
self._has_xpidl = True
# We're not actually handling XPIDL files.
return False
else:
return False
return True
def consume_finished(self):
mk = Makefile()
# Add the default rule at the very beginning.
mk.create_rule(["default"])
mk.add_statement("TOPSRCDIR = %s" % self.environment.topsrcdir)
mk.add_statement("TOPOBJDIR = %s" % self.environment.topobjdir)
mk.add_statement("MDDEPDIR = .deps")
mk.add_statement("TOUCH ?= touch")
mk.add_statement("include $(TOPSRCDIR)/config/makefiles/functions.mk")
mk.add_statement("include $(TOPSRCDIR)/config/AB_rCD.mk")
mk.add_statement("AB_CD = en-US")
if not self._has_xpidl:
mk.add_statement("NO_XPIDL = 1")
# Add a few necessary variables inherited from configure
for var in (
"PYTHON3",
"ACDEFINES",
"MOZ_BUILD_APP",
"MOZ_WIDGET_TOOLKIT",
):
value = self.environment.substs.get(var)
if value is not None:
mk.add_statement("%s = %s" % (var, value))
install_manifests_bases = self._install_manifests.keys()
# Add information for chrome manifest generation
manifest_targets = []
for target, entries in six.iteritems(self._manifest_entries):
manifest_targets.append(target)
install_target = mozpath.basedir(target, install_manifests_bases)
self._install_manifests[install_target].add_content(
"".join("%s\n" % e for e in sorted(entries)),
mozpath.relpath(target, install_target),
)
# Add information for install manifests.
mk.add_statement(
"INSTALL_MANIFESTS = %s" % " ".join(sorted(self._install_manifests.keys()))
)
# Add dependencies we inferred:
for target, deps in sorted(six.iteritems(self._dependencies)):
mk.create_rule([target]).add_dependencies(
"$(TOPOBJDIR)/%s" % d for d in sorted(deps)
)
# This is not great, but it's better to have some dependencies on these Python files.
python_deps = [
"$(TOPSRCDIR)/python/mozbuild/mozbuild/action/l10n_merge.py",
"$(TOPSRCDIR)/third_party/python/compare-locales/compare_locales/compare.py",
"$(TOPSRCDIR)/third_party/python/compare-locales/compare_locales/paths.py",
]
# Add l10n dependencies we inferred:
for target, deps in sorted(six.iteritems(self._l10n_dependencies)):
mk.create_rule([target]).add_dependencies(
"%s" % d[0] for d in sorted(deps, key=itemgetter(0))
)
for merge, ref_file, l10n_file in deps:
rule = mk.create_rule([merge]).add_dependencies(
[ref_file, l10n_file] + python_deps
)
rule.add_commands(
[
"$(PYTHON3) -m mozbuild.action.l10n_merge "
"--output {} --ref-file {} --l10n-file {}".format(
merge, ref_file, l10n_file
)
]
)
# Add a dummy rule for the l10n file since it might not exist.
mk.create_rule([l10n_file])
mk.add_statement("include $(TOPSRCDIR)/config/faster/rules.mk")
for base, install_manifest in six.iteritems(self._install_manifests):
with self._write_file(
mozpath.join(
self.environment.topobjdir,
"faster",
"install_%s" % base.replace("/", "_"),
)
) as fh:
install_manifest.write(fileobj=fh)
# Write a single unified manifest for consumption by |mach watch|.
# Since this doesn't start 'install_', it's not processed by the build.
unified_manifest = InstallManifest()
for base, install_manifest in six.iteritems(self._install_manifests):
# Expect 'dist/bin/**', which includes 'dist/bin' with no trailing slash.
assert base.startswith("dist/bin")
base = base[len("dist/bin") :]
if base and base[0] == "/":
base = base[1:]
unified_manifest.add_entries_from(install_manifest, base=base)
with self._write_file(
mozpath.join(
self.environment.topobjdir, "faster", "unified_install_dist_bin"
)
) as fh:
unified_manifest.write(fileobj=fh)
for obj in self._generated_files:
for stmt in self._format_statements_for_generated_file(obj, "default"):
mk.add_statement(stmt)
with self._write_file(
mozpath.join(self.environment.topobjdir, "faster", "Makefile")
) as fh:
mk.dump(fh, removal_guard=False)
def _pretty_path(self, path, obj):
if path.startswith(self.environment.topobjdir):
return mozpath.join(
"$(TOPOBJDIR)", mozpath.relpath(path, self.environment.topobjdir)
)
elif path.startswith(self.environment.topsrcdir):
return mozpath.join(
"$(TOPSRCDIR)", mozpath.relpath(path, self.environment.topsrcdir)
)
else:
return path
def _format_generated_file_input_name(self, path, obj):
return self._pretty_path(path.full_path, obj)
def _format_generated_file_output_name(self, path, obj):
if not isinstance(path, Path):
path = ObjDirPath(obj._context, "!" + path)
return self._pretty_path(path.full_path, obj)
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