bpo-37050: Remove expr_text from FormattedValue ast node, use Constant node instead#13597
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ericvsmith merged 7 commits intopython:masterfrom May 27, 2019
ericvsmith:remove-expr_text-from-FormattedValue-ast-node
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bpo-37050: Remove expr_text from FormattedValue ast node, use Constant node instead#13597ericvsmith merged 7 commits intopython:masterfrom ericvsmith:remove-expr_text-from-FormattedValue-ast-node
ericvsmith merged 7 commits intopython:masterfrom
ericvsmith:remove-expr_text-from-FormattedValue-ast-node
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| eq("(x:=10)") | ||
| eq("f'{(x:=10):=10}'") | ||
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| # f-strings with '=' don't round trip very well, so set the expected |
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I think it is worth to move this into separate method. It can even be decorated as cpython_only. I think that if an alternate implementation is smart enough to roundtrip these case, it is still a valid Python implementation.
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| *expression is set to the expression. For an '=' "debug" expression, | ||
| *expr_text is set to the debug text (the original text of the expression, | ||
| *including the '=' and any whitespace around it, as a string object). If |
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Suggested change
| *including the '=' and any whitespace around it, as a string object). If | |
| including the '=' and any whitespace around it, as a string object). If |
| *expression is set to the expression. For an '=' "debug" expression, | ||
| *expr_text is set to the debug text (the original text of the expression, | ||
| *including the '=' and any whitespace around it, as a string object). If | ||
| *not a debug expression, *expr_text set to NULL. */ |
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| *not a debug expression, *expr_text set to NULL. */ | |
| not a debug expression, *expr_text set to NULL. */ |
| expr_text_end = *str; | ||
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| /* Set *expr_text to the text of the expression. */ | ||
| *expr_text = PyUnicode_FromStringAndSize(expr_start, *str-expr_start); |
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Note that *expr_text can be leaked at the error label.
| /* We have a literal, concatenate it. */ | ||
| assert(PyUnicode_GET_LENGTH(literal[i]) != 0); | ||
| if (FstringParser_ConcatAndDel(state, literal[i]) < 0) | ||
| return -1; |
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literal[1] can be leaked here.
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Thanks, Serhiy. I was in a rush to get this change in for B1. I'll address these in a subsequent commit. |
DinoV
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Jan 14, 2020
…t node instead (pythonGH-13597) When using the "=" debug functionality of f-strings, use another Constant node (or a merged constant node) instead of adding expr_text to the FormattedValue node.
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https://bugs.python.org/issue37050