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DO NOT MERGE -- Tag strings #103766

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Closed
wants to merge 12 commits into from
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DO NOT MERGE -- Tag strings #103766

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1b61a5e
Tagged String syntax -- RAISES SYNTAX ERROR
gvanrossum May 1, 2022
a17f336
Some progress -- translate foo'bar' into foo('bar')
gvanrossum May 2, 2022
a9922f4
Correctly unparse TagString node
gvanrossum May 2, 2022
12ced2c
Accept only one string, make it a raw bytes
gvanrossum May 2, 2022
73f3c34
Parse the string as f-string
gvanrossum May 2, 2022
67175b0
Start calling tag(*args)
gvanrossum May 2, 2022
1c36df7
Pass lambdas (not quite thunks, but a step in the right direction)
gvanrossum May 2, 2022
d5a0e64
Lambdafy the expression only, exclusing conversion, spec
gvanrossum May 3, 2022
94c7335
Generate a (func, rawstr, conv, spec) tuple for thunks
gvanrossum May 3, 2022
399eaba
Restore original signature of _PyPegen_FstringParser_Init
gvanrossum May 3, 2022
c78e4a1
Fix unparsing of tagstring
gvanrossum May 4, 2022
1ec2fbe
Insist tag and str are flush together
gvanrossum May 4, 2022
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Lambdafy the expression only, exclusing conversion, spec
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@gvanrossum
gvanrossum committed May 3, 2022
commit d5a0e64502f8b8f355750c6005fe50fae2c6552c
7 changes: 3 additions & 4 deletions 7 Parser/action_helpers.c
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Original file line number Diff line number Diff line change
Expand Up @@ -872,7 +872,6 @@ _PyPegen_seq_delete_starred_exprs(Parser *p, asdl_seq *kwargs)
static expr_ty
lambdafy(Parser *p, expr_ty arg)
{
assert(arg->kind == FormattedValue_kind);
arguments_ty args = _PyPegen_empty_arguments(p);
if (args == NULL)
return NULL;
Expand All @@ -898,10 +897,10 @@ _PyPegen_tag_string(Parser *p, expr_ty tag, Token *tok)
for (int i = 0; i < nvalues; i++) {
expr_ty value = asdl_seq_GET(values, i);
if (value->kind == FormattedValue_kind) {
value = lambdafy(p, value);
if (value == NULL)
expr_ty lambda = lambdafy(p, value->v.FormattedValue.value);
if (lambda == NULL)
return NULL;
asdl_seq_SET(values, i, value);
asdl_seq_SET(values, i, lambda);
}
}
}
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