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Fix multiple Python TSG grammar scoping errors #498

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Fix multiple Python TSG grammar scoping errors #498

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c6390ae
feat(python): Chained assignments support
lexdotdev Sep 4, 2025
e30db7f
fix(python): Improve lambda function handling
lexdotdev Sep 4, 2025
49573e2
feat(python): Support typed splat parameters
lexdotdev Sep 4, 2025
0c7b639
fix(python): Superclass keyword arguments
lexdotdev Sep 4, 2025
d9f30d0
test(python): Correct the scope of lambda params definitions
lexdotdev Sep 4, 2025
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feat(python): Chained assignments support
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@lexdotdev
lexdotdev committed Sep 4, 2025
commit c6390ae4da5b49cb0e2a787f2892b74519de759c
26 changes: 16 additions & 10 deletions languages/tree-sitter-stack-graphs-python/src/stack-graphs.tsg
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Original file line number Diff line number Diff line change
Expand Up @@ -195,6 +195,9 @@ attribute node_symbol = node => symbol = (source-text node), source_n
; with item
(with_item)

; assignment
(assignment)

; pattern list
(pattern_list)

Expand Down Expand Up @@ -1285,16 +1288,19 @@ inherit .parent_module
edge @case.new_bindings -> @pattern.new_bindings
}

[
(assignment
left: (_) @pattern
right: (_) @value)
(with_item
value:
(as_pattern
(_) @value
alias: (as_pattern_target (_) @pattern)))
]
(assignment
left: (_) @pattern
right: (_) @value) @assignment
{
edge @pattern.input -> @value.output
edge @assignment.output -> @value.output
}

(with_item
value:
(as_pattern
(_) @value
alias: (as_pattern_target (_) @pattern)))
{
edge @pattern.input -> @value.output
}
Expand Down
12 changes: 12 additions & 0 deletions languages/tree-sitter-stack-graphs-python/test/assignments.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
exponent = exp = 3
digits = decimals = abs(exp)
# ^ defined: 1

print digits
# ^ defined: 2

print decimals
# ^ defined: 2

print exponent
# ^ defined: 1