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Python: add new shared-CFG-backed control flow graph (additive) #21921

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872c081
Python: add shared-CFG AstSig adapter (AstNodeImpl)
yoff Jun 2, 2026
fbfbbd3
Python: add new shared-CFG-backed control flow graph facade (Cfg)
yoff Jun 2, 2026
41c9d8b
Python: model exception edges for raise-prone expressions inside try/…
yoff Jun 3, 2026
47d2b05
Python: visit function parameter and return annotations in new CFG
yoff Jun 29, 2026
661463d
python: remove non-actionable change notes
yoff Jul 20, 2026
cc0156d
python: remove the use of toAst
yoff Jul 21, 2026
a683b64
python: removed superflous module
yoff Jul 21, 2026
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2 changes: 2 additions & 0 deletions python/ql/consistency-queries/CfgConsistency.ql
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import semmle.python.controlflow.internal.AstNodeImpl
import ControlFlow::Consistency
42 changes: 42 additions & 0 deletions python/ql/lib/ide-contextual-queries/printCfg.ql
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/**
* @name Print CFG
* @description Produces a representation of a file's Control Flow Graph.
* This query is used by the VS Code extension.
* @id py/print-cfg
* @kind graph
* @tags ide-contextual-queries/print-cfg
*/

import semmle.python.Files as Files
// import semmle.python.Scope

@hvitved hvitved Jun 30, 2026

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Suggested change
// import semmle.python.Scope

import semmle.python.controlflow.internal.AstNodeImpl

external string selectedSourceFile();

private predicate selectedSourceFileAlias = selectedSourceFile/0;

external int selectedSourceLine();

private predicate selectedSourceLineAlias = selectedSourceLine/0;

external int selectedSourceColumn();

private predicate selectedSourceColumnAlias = selectedSourceColumn/0;

module ViewCfgQueryInput implements ControlFlow::ViewCfgQueryInputSig<Files::File> {
predicate selectedSourceFile = selectedSourceFileAlias/0;

predicate selectedSourceLine = selectedSourceLineAlias/0;

predicate selectedSourceColumn = selectedSourceColumnAlias/0;

predicate cfgScopeSpan(
Ast::Callable scope, Files::File file, int startLine, int startColumn, int endLine,
int endColumn
) {
file = scope.getLocation().getFile() and
scope.getLocation().hasLocationInfo(_, startLine, startColumn, endLine, endColumn)
}
}

import ControlFlow::ViewCfgQuery<Files::File, ViewCfgQueryInput>
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