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authorJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-23 13:30:08 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-23 13:30:08 +0200
commit9c04223086bf606eaac6dc2848af80518210d823 (patch)
treee455703d75ac36f88d95cb712f5ea3bc4fc0d96e /engine/SCons/Node/__init__.py
parent19712e5025e3cf6a33fccd0738f04e018d55025f (diff)
New upstream version 3.1.0upstream/3.1.0
Diffstat (limited to 'engine/SCons/Node/__init__.py')
-rw-r--r--engine/SCons/Node/__init__.py98
1 files changed, 54 insertions, 44 deletions
diff --git a/engine/SCons/Node/__init__.py b/engine/SCons/Node/__init__.py
index 889e7a4..5455bd6 100644
--- a/engine/SCons/Node/__init__.py
+++ b/engine/SCons/Node/__init__.py
@@ -43,13 +43,18 @@ from __future__ import print_function
# 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/Node/__init__.py a56bbd8c09fb219ab8a9673330ffcd55279219d0 2019-03-26 23:16:31 bdeegan"
+__revision__ = "src/engine/SCons/Node/__init__.py e724ae812eb96f4858a132f5b8c769724744faf6 2019-07-21 00:04:47 bdeegan"
import os
import collections
import copy
from itertools import chain
+try:
+ from itertools import zip_longest
+except ImportError:
+ from itertools import izip_longest as zip_longest
+
import SCons.Debug
from SCons.Debug import logInstanceCreation
import SCons.Executor
@@ -103,9 +108,9 @@ implicit_deps_changed = 0
# A variable that can be set to an interface-specific function be called
# to annotate a Node with information about its creation.
-def do_nothing(node): pass
+def do_nothing_node(node): pass
-Annotate = do_nothing
+Annotate = do_nothing_node
# Gets set to 'True' if we're running in interactive mode. Is
# currently used to release parts of a target's info during
@@ -248,25 +253,10 @@ _target_from_source_map = {0 : target_from_source_none,
# used by it.
#
-
-class DeciderNeedsNode(Exception):
- """
- Indicate that the decider needs the node as well as the target and the dependency.
- Normally the node and the target are the same, but in the case of repository
- They may be different. Also the NodeInfo is retrieved from the node
- """
- def __init__(self, call_this_decider):
- """
- :param call_this_decider: to return the decider to call directly since deciders
- are called through several levels of indirection
- """
- self.decider = call_this_decider
-
-
#
# First, the single decider functions
#
-def changed_since_last_build_node(node, target, prev_ni):
+def changed_since_last_build_node(node, target, prev_ni, repo_node=None):
"""
Must be overridden in a specific subclass to return True if this
@@ -287,7 +277,7 @@ def changed_since_last_build_node(node, target, prev_ni):
raise NotImplementedError
-def changed_since_last_build_alias(node, target, prev_ni):
+def changed_since_last_build_alias(node, target, prev_ni, repo_node=None):
cur_csig = node.get_csig()
try:
return cur_csig != prev_ni.csig
@@ -295,24 +285,24 @@ def changed_since_last_build_alias(node, target, prev_ni):
return 1
-def changed_since_last_build_entry(node, target, prev_ni):
+def changed_since_last_build_entry(node, target, prev_ni, repo_node=None):
node.disambiguate()
- return _decider_map[node.changed_since_last_build](node, target, prev_ni)
+ return _decider_map[node.changed_since_last_build](node, target, prev_ni, repo_node)
-def changed_since_last_build_state_changed(node, target, prev_ni):
+def changed_since_last_build_state_changed(node, target, prev_ni, repo_node=None):
return node.state != SCons.Node.up_to_date
-def decide_source(node, target, prev_ni):
- return target.get_build_env().decide_source(node, target, prev_ni)
+def decide_source(node, target, prev_ni, repo_node=None):
+ return target.get_build_env().decide_source(node, target, prev_ni, repo_node)
-def decide_target(node, target, prev_ni):
- return target.get_build_env().decide_target(node, target, prev_ni)
+def decide_target(node, target, prev_ni, repo_node=None):
+ return target.get_build_env().decide_target(node, target, prev_ni, repo_node)
-def changed_since_last_build_python(node, target, prev_ni):
+def changed_since_last_build_python(node, target, prev_ni, repo_node=None):
cur_csig = node.get_csig()
try:
return cur_csig != prev_ni.csig
@@ -529,6 +519,7 @@ class Node(object, with_metaclass(NoSlotsPyPy)):
__slots__ = ['sources',
'sources_set',
+ 'target_peers',
'_specific_sources',
'depends',
'depends_set',
@@ -784,6 +775,25 @@ class Node(object, with_metaclass(NoSlotsPyPy)):
for parent in self.waiting_parents:
parent.implicit = None
+ # Handle issue where builder emits more than one target and
+ # the source file for the builder is generated.
+ # in that case only the first target was getting it's .implicit
+ # cleared when the source file is built (second scan).
+ # leaving only partial implicits from scan before source file is generated
+ # typically the compiler only. Then scanned files are appended
+ # This is persisted to sconsign and rebuild causes false rebuilds
+ # because the ordering of the implicit list then changes to what it
+ # should have been.
+ # This is at least the following bugs
+ # https://github.com/SCons/scons/issues/2811
+ # https://jira.mongodb.org/browse/SERVER-33111
+ try:
+ for peer in parent.target_peers:
+ peer.implicit = None
+ except AttributeError:
+ pass
+
+
self.clear()
if self.pseudo:
@@ -1160,7 +1170,7 @@ class Node(object, with_metaclass(NoSlotsPyPy)):
binfo.bactsig = SCons.Util.MD5signature(executor.get_contents())
if self._specific_sources:
- sources = [s for s in self.sources if not s in ignore_set]
+ sources = [s for s in self.sources if s not in ignore_set]
else:
sources = executor.get_unignored_sources(self, self.ignore)
@@ -1480,17 +1490,11 @@ class Node(object, with_metaclass(NoSlotsPyPy)):
result = True
for child, prev_ni in zip(children, then):
- try:
- if _decider_map[child.changed_since_last_build](child, self, prev_ni):
- if t: Trace(': %s changed' % child)
- result = True
- except DeciderNeedsNode as e:
- if e.decider(self, prev_ni, node=node):
- if t: Trace(': %s changed' % child)
- result = True
+ if _decider_map[child.changed_since_last_build](child, self, prev_ni, node):
+ if t: Trace(': %s changed' % child)
+ result = True
if self.has_builder():
- import SCons.Util
contents = self.get_executor().get_contents()
newsig = SCons.Util.MD5signature(contents)
if bi.bactsig != newsig:
@@ -1647,14 +1651,14 @@ class Node(object, with_metaclass(NoSlotsPyPy)):
lines = []
- removed = [x for x in old_bkids if not x in new_bkids]
+ removed = [x for x in old_bkids if x not in new_bkids]
if removed:
removed = [stringify(r) for r in removed]
fmt = "`%s' is no longer a dependency\n"
lines.extend([fmt % s for s in removed])
for k in new_bkids:
- if not k in old_bkids:
+ if k not in old_bkids:
lines.append("`%s' is a new dependency\n" % stringify(k))
else:
try:
@@ -1666,9 +1670,16 @@ class Node(object, with_metaclass(NoSlotsPyPy)):
lines.append("`%s' changed\n" % stringify(k))
if len(lines) == 0 and old_bkids != new_bkids:
- lines.append("the dependency order changed:\n" +
- "%sold: %s\n" % (' '*15, list(map(stringify, old_bkids))) +
- "%snew: %s\n" % (' '*15, list(map(stringify, new_bkids))))
+ lines.append("the dependency order changed:\n")
+ lines.append("->Sources\n")
+ for (o,n) in zip_longest(old.bsources, new.bsources, fillvalue=None):
+ lines.append("Old:%s\tNew:%s\n"%(o,n))
+ lines.append("->Depends\n")
+ for (o,n) in zip_longest(old.bdepends, new.bdepends, fillvalue=None):
+ lines.append("Old:%s\tNew:%s\n"%(o,n))
+ lines.append("->Implicit\n")
+ for (o,n) in zip_longest(old.bimplicit, new.bimplicit, fillvalue=None):
+ lines.append("Old:%s\tNew:%s\n"%(o,n))
if len(lines) == 0:
def fmt_with_title(title, strlines):
@@ -1711,7 +1722,6 @@ class Walker(object):
This is depth-first, children are visited before the parent.
The Walker object can be initialized with any node, and
returns the next node on the descent with each get_next() call.
- 'kids_func' is an optional function that will be called to
get the children of a node instead of calling 'children'.
'cycle_func' is an optional function that will be called
when a cycle is detected.