Merge pull request #13685 from RasmusWL/captured-variables-default-param-value

Python: Model parameter with default value as `DefinitionNode`

python/ql/test/experimental/dataflow/typetracking/test.py

@@ -65,6 +65,19 @@ def to_inner_scope():
     also_x = foo() # $ tracked
     print(also_x) # $ tracked
 
+
+def from_parameter_default():
+    x_alias = tracked # $tracked
+    def outer(x=tracked): # $tracked
+        print(x) # $tracked
+        def inner():
+            print(x) # $ tracked
+            print(x_alias) # $tracked
+        return x # $tracked
+    also_x = outer() # $tracked
+    print(also_x) # $tracked
+
+
 # ------------------------------------------------------------------------------
 # Function decorator
 # ------------------------------------------------------------------------------

python/ql/test/library-tests/variables/definitions/definition-values.expected

@@ -0,0 +1,4 @@
+| test.py:3:5:3:9 | ControlFlowNode for fail5 | test.py:3:1:3:13 | ControlFlowNode for FunctionExpr |
+| test.py:4:5:4:8 | ControlFlowNode for Tuple | test.py:4:12:4:12 | ControlFlowNode for t |
+| test.py:7:5:7:26 | ControlFlowNode for default_value_in_param | test.py:7:1:7:33 | ControlFlowNode for FunctionExpr |
+| test.py:7:28:7:28 | ControlFlowNode for x | test.py:7:30:7:31 | ControlFlowNode for IntegerLiteral |

python/ql/test/library-tests/variables/definitions/definition-values.ql

@@ -0,0 +1,4 @@
+import python
+
+from DefinitionNode d
+select d, d.getValue()

python/ql/test/library-tests/variables/definitions/test.expected

@@ -1,4 +1,6 @@
 | 3 | 5 | ControlFlowNode for fail5 |
 | 4 | 5 | ControlFlowNode for Tuple |
 | 4 | 5 | ControlFlowNode for x |
-| 4 | 8 | ControlFlowNode for y |
+| 4 | 8 | ControlFlowNode for y |
+| 7 | 5 | ControlFlowNode for default_value_in_param |
+| 7 | 28 | ControlFlowNode for x |

python/ql/test/library-tests/variables/definitions/test.py

@@ -3,3 +3,6 @@
 def fail5(t):
     x, y = t
     return x
+
+def default_value_in_param(x=42):
+    print(x)