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authorJörg Frings-Fürst <debian@jff-webhosting.net>2015-09-28 18:23:34 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2015-09-28 18:23:34 +0200
commit72c39ad485d174c2e8e1fef34b8e9e392a94458a (patch)
treec61b2af2b3861f6bffb4955e0733687c337cb35a /engine/SCons/Executor.py
parentdaa63b77a7e2963e59a238e0dca7ceffce91ee99 (diff)
Imported Upstream version 2.4.0upstream/2.4.0
Diffstat (limited to 'engine/SCons/Executor.py')
-rw-r--r--engine/SCons/Executor.py135
1 files changed, 88 insertions, 47 deletions
diff --git a/engine/SCons/Executor.py b/engine/SCons/Executor.py
index 062bc8d..3211fd1 100644
--- a/engine/SCons/Executor.py
+++ b/engine/SCons/Executor.py
@@ -27,7 +27,7 @@ Nodes.
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-__revision__ = "src/engine/SCons/Executor.py rel_2.3.5:3347:d31d5a4e74b6 2015/07/31 14:36:10 bdbaddog"
+__revision__ = "src/engine/SCons/Executor.py rel_2.4.0:3365:9259ea1c13d7 2015/09/21 14:03:43 bdbaddog"
import collections
@@ -40,6 +40,10 @@ import SCons.Memoize
class Batch(object):
"""Remembers exact association between targets
and sources of executor."""
+
+ __slots__ = ('targets',
+ 'sources')
+
def __init__(self, targets=[], sources=[]):
self.targets = targets
self.sources = sources
@@ -109,6 +113,48 @@ def rfile(node):
return rfile()
+def execute_nothing(obj, target, kw):
+ return 0
+
+def execute_action_list(obj, target, kw):
+ """Actually execute the action list."""
+ env = obj.get_build_env()
+ kw = obj.get_kw(kw)
+ status = 0
+ for act in obj.get_action_list():
+ #args = (self.get_all_targets(), self.get_all_sources(), env)
+ args = ([], [], env)
+ status = act(*args, **kw)
+ if isinstance(status, SCons.Errors.BuildError):
+ status.executor = obj
+ raise status
+ elif status:
+ msg = "Error %s" % status
+ raise SCons.Errors.BuildError(
+ errstr=msg,
+ node=obj.batches[0].targets,
+ executor=obj,
+ action=act)
+ return status
+
+_do_execute_map = {0 : execute_nothing,
+ 1 : execute_action_list}
+
+
+def execute_actions_str(obj):
+ env = obj.get_build_env()
+ return "\n".join([action.genstring(obj.get_all_targets(),
+ obj.get_all_sources(),
+ env)
+ for action in obj.get_action_list()])
+
+def execute_null_str(obj):
+ return ''
+
+_execute_str_map = {0 : execute_null_str,
+ 1 : execute_actions_str}
+
+
class Executor(object):
"""A class for controlling instances of executing an action.
@@ -117,10 +163,21 @@ class Executor(object):
and sources for later processing as needed.
"""
- if SCons.Memoize.use_memoizer:
- __metaclass__ = SCons.Memoize.Memoized_Metaclass
-
- memoizer_counters = []
+ __slots__ = ('pre_actions',
+ 'post_actions',
+ 'env',
+ 'overridelist',
+ 'batches',
+ 'builder_kw',
+ '_memo',
+ 'lvars',
+ '_changed_sources_list',
+ '_changed_targets_list',
+ '_unchanged_sources_list',
+ '_unchanged_targets_list',
+ 'action_list',
+ '_do_execute',
+ '_execute_str')
def __init__(self, action, env=None, overridelist=[{}],
targets=[], sources=[], builder_kw={}):
@@ -135,6 +192,8 @@ class Executor(object):
else:
self.batches = []
self.builder_kw = builder_kw
+ self._do_execute = 1
+ self._execute_str = 1
self._memo = {}
def get_lvars(self):
@@ -284,8 +343,7 @@ class Executor(object):
result.extend(target.side_effects)
return result
- memoizer_counters.append(SCons.Memoize.CountValue('get_build_env'))
-
+ @SCons.Memoize.CountMethodCall
def get_build_env(self):
"""Fetch or create the appropriate build Environment
for this Executor.
@@ -330,36 +388,12 @@ class Executor(object):
result['executor'] = self
return result
- def do_nothing(self, target, kw):
- return 0
-
- def do_execute(self, target, kw):
- """Actually execute the action list."""
- env = self.get_build_env()
- kw = self.get_kw(kw)
- status = 0
- for act in self.get_action_list():
- #args = (self.get_all_targets(), self.get_all_sources(), env)
- args = ([], [], env)
- status = act(*args, **kw)
- if isinstance(status, SCons.Errors.BuildError):
- status.executor = self
- raise status
- elif status:
- msg = "Error %s" % status
- raise SCons.Errors.BuildError(
- errstr=msg,
- node=self.batches[0].targets,
- executor=self,
- action=act)
- return status
-
# use extra indirection because with new-style objects (Python 2.2
# and above) we can't override special methods, and nullify() needs
# to be able to do this.
def __call__(self, target, **kw):
- return self.do_execute(target, kw)
+ return _do_execute_map[self._do_execute](self, target, kw)
def cleanup(self):
self._memo = {}
@@ -403,24 +437,15 @@ class Executor(object):
# another extra indirection for new-style objects and nullify...
- def my_str(self):
- env = self.get_build_env()
- return "\n".join([action.genstring(self.get_all_targets(),
- self.get_all_sources(),
- env)
- for action in self.get_action_list()])
-
-
def __str__(self):
- return self.my_str()
+ return _execute_str_map[self._execute_str](self)
def nullify(self):
self.cleanup()
- self.do_execute = self.do_nothing
- self.my_str = lambda: ''
-
- memoizer_counters.append(SCons.Memoize.CountValue('get_contents'))
+ self._do_execute = 0
+ self._execute_str = 0
+ @SCons.Memoize.CountMethodCall
def get_contents(self):
"""Fetch the signature contents. This is the main reason this
class exists, so we can compute this once and cache it regardless
@@ -493,8 +518,7 @@ class Executor(object):
def _get_unignored_sources_key(self, node, ignore=()):
return (node,) + tuple(ignore)
- memoizer_counters.append(SCons.Memoize.CountDict('get_unignored_sources', _get_unignored_sources_key))
-
+ @SCons.Memoize.CountDictCall(_get_unignored_sources_key)
def get_unignored_sources(self, node, ignore=()):
key = (node,) + tuple(ignore)
try:
@@ -579,6 +603,23 @@ class Null(object):
disassociate Builders from Nodes entirely, so we're not
going to worry about unit tests for this--at least for now.
"""
+
+ __slots__ = ('pre_actions',
+ 'post_actions',
+ 'env',
+ 'overridelist',
+ 'batches',
+ 'builder_kw',
+ '_memo',
+ 'lvars',
+ '_changed_sources_list',
+ '_changed_targets_list',
+ '_unchanged_sources_list',
+ '_unchanged_targets_list',
+ 'action_list',
+ '_do_execute',
+ '_execute_str')
+
def __init__(self, *args, **kw):
if SCons.Debug.track_instances: logInstanceCreation(self, 'Executor.Null')
self.batches = [Batch(kw['targets'][:], [])]