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Felicity Chapman
2018-11-29 18:20:34 +00:00
parent f6fe8d5a28
commit 586eaef270
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change-notes/1.19/analysis-python.md
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@@ -2,11 +2,9 @@
## General improvements
A new predicate `Stmt.getAnEntryNode()` has been added to make it easier to write reachability queries involving statements.
### Representation of the control flow graph
The representation of the control flow graph (CFG) has been modified to better reflect the semantics of Python.
The representation of the control flow graph (CFG) has been modified to better reflect the semantics of Python. As part of these changes, a new predicate `Stmt.getAnEntryNode()` has been added to make it easier to write reachability queries involving statements.
#### CFG nodes removed
@@ -37,13 +35,8 @@ with cm as var:
body
```
| Old CFG node order | New CFG node order |
|--------------------|--------------------|
| `<with>` | `cm` |
| `cm` | `<with>` |
| `var` | `var` |
| `body` | `body` |
* Previous CFG node order: `<with>` -> `cm` -> `var` -> `body`
* New CFG node order: `cm` -> `<with>` -> `var` -> `body`
## New queries