- switching Node class and NodeInfo/Binfo to using slots

- memoizer subsystem now uses decorators instead of the metaclass approach

4 files changed, 22 insertions, 19 deletions

diff --git a/src/engine/SCons/Scanner/CTests.py b/src/engine/SCons/Scanner/CTests.py
index 6418754..9c7df12 100644
--- a/src/engine/SCons/Scanner/CTests.py
+++ b/src/engine/SCons/Scanner/CTests.py
@@ -270,17 +270,18 @@ class CScannerTestCase5(unittest.TestCase):
         path = s.path(env)
 
         n = env.File('f3.cpp')
-        def my_rexists(s=n):
-            s.rexists_called = 1
-            return s.old_rexists()
-        setattr(n, 'old_rexists', n.rexists)
-        setattr(n, 'rexists', my_rexists)
+        def my_rexists(s):
+            s.Tag('rexists_called', 1)
+            return SCons.Node._rexists_map[s.GetTag('old_rexists')](s)
+        n.Tag('old_rexists', n._func_rexists)
+        SCons.Node._rexists_map[3] = my_rexists
+        n._func_rexists = 3
 
         deps = s(n, env, path)
 
         # Make sure rexists() got called on the file node being
         # scanned, essential for cooperation with VariantDir functionality.
-        assert n.rexists_called
+        assert n.GetTag('rexists_called')
         
         headers =  ['f1.h', 'f2.h', 'f3-test.h',
                     'd1/f1.h', 'd1/f2.h', 'd1/f3-test.h']
diff --git a/src/engine/SCons/Scanner/Dir.py b/src/engine/SCons/Scanner/Dir.py
index 1cecfb7..cbfb6fb 100644
--- a/src/engine/SCons/Scanner/Dir.py
+++ b/src/engine/SCons/Scanner/Dir.py
@@ -77,7 +77,7 @@ def scan_on_disk(node, env, path=()):
     that and then call the in-memory scanning function.
     """
     try:
-        flist = node.fs.listdir(node.abspath)
+        flist = node.fs.listdir(node.get_abspath())
     except (IOError, OSError):
         return []
     e = node.Entry
diff --git a/src/engine/SCons/Scanner/FortranTests.py b/src/engine/SCons/Scanner/FortranTests.py
index 252da64..aaefa79 100644
--- a/src/engine/SCons/Scanner/FortranTests.py
+++ b/src/engine/SCons/Scanner/FortranTests.py
@@ -356,17 +356,18 @@ class FortranScannerTestCase9(unittest.TestCase):
         path = s.path(env)
 
         n = env.File('fff3.f')
-        def my_rexists(s=n):
-            s.rexists_called = 1
-            return s.old_rexists()
-        setattr(n, 'old_rexists', n.rexists)
-        setattr(n, 'rexists', my_rexists)
+        def my_rexists(s):
+            s.Tag('rexists_called', 1)
+            return SCons.Node._rexists_map[s.GetTag('old_rexists')](s)
+        n.Tag('old_rexists', n._func_rexists)
+        SCons.Node._rexists_map[3] = my_rexists
+        n._func_rexists = 3
 
         deps = s(n, env, path)
 
         # Make sure rexists() got called on the file node being
         # scanned, essential for cooperation with VariantDir functionality.
-        assert n.rexists_called
+        assert n.GetTag('rexists_called')
 
         headers =  ['d1/f3.f', 'f3.f']
         deps_match(self, deps, headers)
diff --git a/src/engine/SCons/Scanner/IDLTests.py b/src/engine/SCons/Scanner/IDLTests.py
index 675c70c..227799e 100644
--- a/src/engine/SCons/Scanner/IDLTests.py
+++ b/src/engine/SCons/Scanner/IDLTests.py
@@ -290,17 +290,18 @@ class IDLScannerTestCase5(unittest.TestCase):
         path = s.path(env)
 
         n = env.File('t3.idl')
-        def my_rexists(s=n):
-            s.rexists_called = 1
-            return s.old_rexists()
-        setattr(n, 'old_rexists', n.rexists)
-        setattr(n, 'rexists', my_rexists)
+        def my_rexists(s):
+            s.Tag('rexists_called', 1)
+            return SCons.Node._rexists_map[s.GetTag('old_rexists')](s)
+        n.Tag('old_rexists', n._func_rexists)
+        SCons.Node._rexists_map[3] = my_rexists
+        n._func_rexists = 3
 
         deps = s(n, env, path)
 
         # Make sure rexists() got called on the file node being
         # scanned, essential for cooperation with VariantDir functionality.
-        assert n.rexists_called
+        assert n.GetTag('rexists_called')
         
         headers =  ['d1/f1.idl', 'd1/f2.idl',
                     'f1.idl', 'f2.idl', 'f3-test.idl',