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path: root/src/engine/SCons/Node/__init__.py
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-rw-r--r--src/engine/SCons/Node/__init__.py26
1 files changed, 14 insertions, 12 deletions
diff --git a/src/engine/SCons/Node/__init__.py b/src/engine/SCons/Node/__init__.py
index 3ce481b..6567489 100644
--- a/src/engine/SCons/Node/__init__.py
+++ b/src/engine/SCons/Node/__init__.py
@@ -41,7 +41,7 @@ be able to depend on any other type of "thing."
# 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 rel_2.5.0:3543:937e55cd78f7 2016/04/09 11:29:54 bdbaddog"
+__revision__ = "src/engine/SCons/Node/__init__.py rel_2.5.1:3735:9dc6cee5c168 2016/11/03 14:02:02 bdbaddog"
import collections
import copy
@@ -924,9 +924,9 @@ class Node(object):
scanner's recursive flag says that we should.
"""
nodes = [self]
- seen = {}
- seen[self] = 1
+ seen = set(nodes)
dependencies = []
+ path_memo = {}
root_node_scanner = self._get_scanner(env, initial_scanner, None, kw)
@@ -934,31 +934,33 @@ class Node(object):
node = nodes.pop(0)
scanner = node._get_scanner(env, initial_scanner, root_node_scanner, kw)
-
if not scanner:
continue
- path = path_func(scanner)
+ try:
+ path = path_memo[scanner]
+ except KeyError:
+ path = path_func(scanner)
+ path_memo[scanner] = path
included_deps = [x for x in node.get_found_includes(env, scanner, path) if x not in seen]
if included_deps:
dependencies.extend(included_deps)
- for dep in included_deps:
- seen[dep] = 1
+ seen.update(included_deps)
nodes.extend(scanner.recurse_nodes(included_deps))
return dependencies
def _get_scanner(self, env, initial_scanner, root_node_scanner, kw):
- if not initial_scanner:
+ if initial_scanner:
+ # handle explicit scanner case
+ scanner = initial_scanner.select(self)
+ else:
# handle implicit scanner case
scanner = self.get_env_scanner(env, kw)
if scanner:
scanner = scanner.select(self)
- else:
- # handle explicit scanner case
- scanner = initial_scanner.select(self)
-
+
if not scanner:
# no scanner could be found for the given node's scanner key;
# thus, make an attempt at using a default.