Commitf609bdc

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gh-130618: Fix parser error when using lambdas inside f-strings

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+17

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+17

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Lines changed: 12 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1972,6 +1972,18 @@ async def foo():`
`1972`	`1972`	`withself.assertRaises(Done):`
`1973`	`1973`	`foo().send(None)`
`1974`	`1974`
	`1975`	`+deftest_complex_lambda(self):`
	`1976`	`+deftest1(foo,bar):`
	`1977`	`+return""`
	`1978`	`+`
	`1979`	`+deftest2():`
	`1980`	`+returnf"{test1(`
	`1981`	`+foo=lambda:'、、、、、、、、、、、、、、、、、',`
	`1982`	`+bar=lambda:'abcdefghijklmnopqrstuvwxyz 123456789 123456789',`
	`1983`	`+ )}"`
	`1984`	`+`
	`1985`	`+self.assertEqual(test2(),"")`
	`1986`	`+`
`1975`	`1987`
`1976`	`1988`	`if__name__=='__main__':`
`1977`	`1989`	`unittest.main()`

Lines changed: 5 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -211,9 +211,13 @@ _PyLexer_update_fstring_expr(struct tok_state *tok, char cur)`
`211`	`211`	`break;`
`212`	`212`	`case'}':`
`213`	`213`	`case'!':`
`214`		`-case':':`
`215`	`214`	`tok_mode->last_expr_end=strlen(tok->start);`
`216`	`215`	`break;`
	`216`	`+case':':`
	`217`	`+if (tok_mode->last_expr_end==-1) {`
	`218`	`+tok_mode->last_expr_end=strlen(tok->start);`
	`219`	`+ }`
	`220`	`+break;`
`217`	`221`	`default:`
`218`	`222`	`Py_UNREACHABLE();`
`219`	`223`	`}`

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