def execute(self, targets):
scala_targets = filter(_is_scala, targets)
if not scala_targets:
return
# Get the classpath generated by upstream JVM tasks (including previous calls to execute()).
with self.context.state('classpath', []) as cp:
self._add_globally_required_classpath_entries(cp)
with self.context.state('upstream_analysis_map', {}) as upstream_analysis_map:
with self.invalidated(scala_targets, invalidate_dependents=True,
partition_size_hint=self._partition_size_hint) as invalidation_check:
# Process partitions one by one.
for vts in invalidation_check.all_vts_partitioned:
if not self.dry_run:
merged_artifact = self._process_target_partition(vts, cp, upstream_analysis_map)
vts.update()
# Note that we add the merged classes_dir to the upstream.
# This is because zinc doesn't handle many upstream dirs well.
if os.path.exists(merged_artifact.classes_dir):
for conf in self._confs:
cp.append((conf, merged_artifact.classes_dir))
if os.path.exists(merged_artifact.analysis_file):
upstream_analysis_map[merged_artifact.classes_dir] = \
AnalysisFileSpec(merged_artifact.analysis_file, merged_artifact.classes_dir)
# Check for missing dependencies.
all_analysis_files = set()
for target in scala_targets:
analysis_file_spec = self._artifact_factory.analysis_file_for_targets([target])
if os.path.exists(analysis_file_spec.analysis_file):
all_analysis_files.add(analysis_file_spec)
deps_cache = JvmDependencyCache(self.context, scala_targets, all_analysis_files)
deps_cache.check_undeclared_dependencies()
def execute(self, targets):
scala_targets = filter(_is_scala, targets)
if not scala_targets:
return
# Get the exclusives group for the targets to compile.
# Group guarantees that they'll be a single exclusives key for them.
egroups = self.context.products.get_data('exclusives_groups')
exclusives_key = egroups.get_group_key_for_target(targets[0])
exclusives_classpath = egroups.get_classpath_for_group(exclusives_key)
with self.context.state('upstream_analysis_map',
{}) as upstream_analysis_map:
with self.invalidated(scala_targets,
invalidate_dependents=True,
partition_size_hint=self._partition_size_hint
) as invalidation_check:
# Process partitions one by one.
for vts in invalidation_check.all_vts_partitioned:
# Refresh the classpath, to pick up any changes from update_compatible_classpaths.
exclusives_classpath = egroups.get_classpath_for_group(
exclusives_key)
# Get the classpath generated by upstream JVM tasks (including previous calls to execute()).
# Add the global classpaths here, directly, instead of doing the
# add-to-compatible thing.
self._add_globally_required_classpath_entries(
exclusives_classpath)
if not self.dry_run:
merged_artifact = self._process_target_partition(
vts, exclusives_classpath, upstream_analysis_map)
vts.update()
# Note that we add the merged classes_dir to the upstream.
# This is because zinc doesn't handle many upstream dirs well.
if os.path.exists(merged_artifact.classes_dir):
for conf in self._confs: ### CLASSPATH UPDATE
# Update the exclusives group classpaths.
egroups.update_compatible_classpaths(
exclusives_key,
[(conf, merged_artifact.classes_dir)])
if os.path.exists(merged_artifact.analysis_file):
upstream_analysis_map[merged_artifact.classes_dir] = \
AnalysisFileSpec(merged_artifact.analysis_file, merged_artifact.classes_dir)
if invalidation_check.invalid_vts:
# Check for missing dependencies.
all_analysis_files = set()
for target in scala_targets:
analysis_file_spec = self._artifact_factory.analysis_file_for_targets(
[target])
if os.path.exists(analysis_file_spec.analysis_file):
all_analysis_files.add(analysis_file_spec)
deps_cache = JvmDependencyCache(self.context,
scala_targets,
all_analysis_files)
deps_cache.check_undeclared_dependencies()
def execute(self, targets):
scala_targets = filter(lambda t: has_sources(t, '.scala'), targets)
if not scala_targets:
return
# Get the exclusives group for the targets to compile.
# Group guarantees that they'll be a single exclusives key for them.
egroups = self.context.products.get_data('exclusives_groups')
group_id = egroups.get_group_key_for_target(scala_targets[0])
# Add resource dirs to the classpath for us and for downstream tasks.
for conf in self._confs:
egroups.update_compatible_classpaths(group_id,
[(conf, self._resources_dir)])
# Get the classpath generated by upstream JVM tasks (including previous calls to execute()).
cp = egroups.get_classpath_for_group(group_id)
# Add (only to the local copy) classpath entries necessary for our compiler plugins.
for conf in self._confs:
for jar in self._zinc_utils.plugin_jars():
cp.insert(0, (conf, jar))
# Invalidation check. Everything inside the with block must succeed for the
# invalid targets to become valid.
with self.invalidated(scala_targets,
invalidate_dependents=True,
partition_size_hint=self._partition_size_hint
) as invalidation_check:
if invalidation_check.invalid_vts and not self.dry_run:
invalid_targets = [
vt.target for vt in invalidation_check.invalid_vts
]
# The analysis for invalid and deleted sources is no longer valid.
invalid_sources_by_target = self._compute_sources_by_target(
invalid_targets)
invalid_sources = list(
itertools.chain.from_iterable(
invalid_sources_by_target.values()))
deleted_sources = self._get_deleted_sources()
# Work in a tmpdir so we don't stomp the main analysis files on error.
# The tmpdir is cleaned up in a shutdown hook, because background work
# may need to access files we create here even after this method returns.
self._ensure_analysis_tmpdir()
tmpdir = os.path.join(self._analysis_tmpdir, str(uuid.uuid4()))
os.mkdir(tmpdir)
valid_analysis_tmp = os.path.join(tmpdir, 'valid_analysis')
newly_invalid_analysis_tmp = os.path.join(
tmpdir, 'newly_invalid_analysis')
invalid_analysis_tmp = os.path.join(tmpdir, 'invalid_analysis')
if ZincUtils.is_nonempty_analysis(self._analysis_file):
with self.context.new_workunit(name='prepare-analysis'):
if self._zinc_utils.run_zinc_split(
self._analysis_file,
((invalid_sources + deleted_sources,
newly_invalid_analysis_tmp),
([], valid_analysis_tmp))):
raise TaskError(
'Failed to split off invalid analysis.')
if ZincUtils.is_nonempty_analysis(
self._invalid_analysis_file):
if self._zinc_utils.run_zinc_merge([
self._invalid_analysis_file,
newly_invalid_analysis_tmp
], invalid_analysis_tmp):
raise TaskError(
'Failed to merge prior and current invalid analysis.'
)
else:
invalid_analysis_tmp = newly_invalid_analysis_tmp
# Now it's OK to overwrite the main analysis files with the new state.
ZincUtils._move_analysis(valid_analysis_tmp,
self._analysis_file)
ZincUtils._move_analysis(invalid_analysis_tmp,
self._invalid_analysis_file)
# Figure out the sources and analysis belonging to each partition.
partitions = [
] # Each element is a triple (vts, sources_by_target, analysis).
for vts in invalidation_check.invalid_vts_partitioned:
partition_tmpdir = os.path.join(
tmpdir, Target.maybe_readable_identify(vts.targets))
os.mkdir(partition_tmpdir)
sources = list(
itertools.chain.from_iterable([
invalid_sources_by_target.get(t, [])
for t in vts.targets
]))
analysis_file = os.path.join(partition_tmpdir, 'analysis')
partitions.append((vts, sources, analysis_file))
# Split per-partition files out of the global invalid analysis.
if ZincUtils.is_nonempty_analysis(
self._invalid_analysis_file) and partitions:
with self.context.new_workunit(name='partition-analysis'):
splits = [(x[1], x[2]) for x in partitions]
if self._zinc_utils.run_zinc_split(
self._invalid_analysis_file, splits):
raise TaskError(
'Failed to split invalid analysis into per-partition files.'
)
# Now compile partitions one by one.
for partition in partitions:
(vts, sources, analysis_file) = partition
self._process_target_partition(partition, cp)
# No exception was thrown, therefore the compile succeded and analysis_file is now valid.
if os.path.exists(
analysis_file
): # The compilation created an analysis.
# Kick off the background artifact cache write.
if self.get_artifact_cache(
) and self.context.options.write_to_artifact_cache:
self._write_to_artifact_cache(
analysis_file, vts, invalid_sources_by_target)
# Merge the newly-valid analysis into our global valid analysis.
if ZincUtils.is_nonempty_analysis(self._analysis_file):
with self.context.new_workunit(
name='update-upstream-analysis'):
new_valid_analysis = analysis_file + '.valid.new'
if self._zinc_utils.run_zinc_merge(
[self._analysis_file, analysis_file],
new_valid_analysis):
raise TaskError(
'Failed to merge new analysis back into valid analysis file.'
)
ZincUtils._move_analysis(new_valid_analysis,
self._analysis_file)
else: # We need to keep analysis_file around. Background tasks may need it.
ZincUtils._copy_analysis(analysis_file,
self._analysis_file)
if ZincUtils.is_nonempty_analysis(
self._invalid_analysis_file):
with self.context.new_workunit(
name='trim-downstream-analysis'):
# Trim out the newly-valid sources from our global invalid analysis.
new_invalid_analysis = analysis_file + '.invalid.new'
discarded_invalid_analysis = analysis_file + '.invalid.discard'
if self._zinc_utils.run_zinc_split(
self._invalid_analysis_file,
[(sources, discarded_invalid_analysis),
([], new_invalid_analysis)]):
raise TaskError(
'Failed to trim invalid analysis file.')
ZincUtils._move_analysis(
new_invalid_analysis,
self._invalid_analysis_file)
# Now that all the analysis accounting is complete, we can safely mark the
# targets as valid.
vts.update()
# Check for missing dependencies, if needed.
if invalidation_check.invalid_vts and os.path.exists(
self._analysis_file):
deps_cache = JvmDependencyCache(self.context,
scala_targets,
self._analysis_file,
self._classes_dir)
deps_cache.check_undeclared_dependencies()
# Provide the target->class and source->class mappings to downstream tasks if needed.
if self.context.products.isrequired('classes'):
sources_by_target = self._compute_sources_by_target(scala_targets)
classes_by_source = self._compute_classes_by_source()
self._add_all_products_to_genmap(sources_by_target,
classes_by_source)
# Update the classpath for downstream tasks.
for conf in self._confs:
egroups.update_compatible_classpaths(group_id,
[(conf, self._classes_dir)])
