Changeset 42

Timestamp:

12/20/04 17:48:53

Author:

fumanchu

Message:

1. New named_opcodes(bits) in codewalk.
2. Moved old codewalk history to old_changes.

Files:

• trunk/codewalk.py (modified) (3 diffs)
• trunk/old_changes.txt (modified) (2 diffs)
• trunk/storage/storeado.py (modified) (1 diff)

trunk/codewalk.py

@@ -15 +15 @@
-"""
-
-version = "0.3.2"
-
-changelog = """
-0.3.2 (8/8/04):
-    1. After profiling, added _co_code_attrs because dir() was so slow.
-
-0.3.1 (4/29/04):
-    1. Added KeywordInspector.
-    2. Made LambdaDecompiler use function __name__, not repr() (early
-        binding makes e.g. datetime.date into <type datetime.date>).
-    3. Added safe_tuple.
-    4. Added TaintableStack.maxsize to help stack calculation.
-    5. Forgot to call deref_cell from visit_LOAD_DEREF! D'oh!
-    6. Put visit_ methods in alpha order.
-    7. Added name_index to Rewriter.
-    8. Got rid of extra args to EarlyBinder.
-    9. Added reduction of getattr to EarlyBinder as an option.
-    10. Combined 'ands' and 'ors' into 'targets' in LambdaDecompiler.
-    11. Fixed parenthesis problems in LambdaDecompiler.
-    12. Added BranchTracker class.
-"""
-
-todo = """
-1. Make a StackCalculator subclass of Visitor, call it in
-    Rewriter.code_object to get co_stacksize.
-2. Make named_opcodes(bits), which returns names for the first code in
-    each word, numbers otherwise.
-3. Rewrite dis as a Visitor.
-"""
-
-from opcode import cmp_op, opname, opmap, HAVE_ARGUMENT
-import operator
@@ -50 +20 @@
-from types import CodeType, FunctionType
-
+
+def named_opcodes(bits):
+    """Change initial numeric opcode bits to their named equivalents."""
+    bitnums = []
+    bits = iter(bits)
+    for x in bits:
+        bitnums.append(opname[x])
+        if x >= HAVE_ARGUMENT:
+            try:
+                bitnums.append(bits.next())
+                bitnums.append(bits.next())
+            except StopIteration:
+                break
+    return bitnums
-
-def numeric_opcodes(bits):
@@ -59 +43 @@
-        bitnums.append(x)
-    return bitnums
-
-
-_deref_bytecode = numeric_opcodes(['LOAD_DEREF', 0, 0, 'RETURN_VALUE'])

trunk/old_changes.txt

@@ -41 +41 @@
-        really needed until the unit is concrete).
-    7. Profiling: added unit._property_types for faster lookup.
+    8. After profiling, added _co_code_attrs to codewalk because dir() was so slow.
-
-1.2.0 RC (8/5/04):
@@ -111 +112 @@
-    1. Added the COPY rule to engines.py.
-
+codewalk.py 0.3.1 (4/29/04):
+    1. Added KeywordInspector.
+    2. Made LambdaDecompiler use function __name__, not repr() (early
+        binding makes e.g. datetime.date into <type datetime.date>).
+    3. Added safe_tuple.
+    4. Added TaintableStack.maxsize to help stack calculation.
+    5. Forgot to call deref_cell from visit_LOAD_DEREF! D'oh!
+    6. Put visit_ methods in alpha order.
+    7. Added name_index to Rewriter.
+    8. Got rid of extra args to EarlyBinder.
+    9. Added reduction of getattr to EarlyBinder as an option.
+    10. Combined 'ands' and 'ors' into 'targets' in LambdaDecompiler.
+    11. Fixed parenthesis problems in LambdaDecompiler.
+    12. Added BranchTracker class.
+
-Prior to July 2004, Dejavu was integrated with a Python application
-framework, which is now called "Cation". Development on the

trunk/storage/storeado.py

@@ -798 +798 @@
-        cols = [(firstcls, k) for k in firstcls.properties()]
-        
-        # TODO: concat multiple pairs.
-        if len(pairs) != 1:
-            raise ValueError("Multiselect does not yet work on multiple pairs.")