piegamesandCommentator2.0
f1fbd1d095
The indentation stripping semantics of strings are fairly bad and have a few gotchas where they behave unintuitively. But the good news is, that these cases are easy to catch and can be avoided. This commit adds a warning in the parser when such strings are detected. Unfortunately Nixpkgs uses this kind of a lot, so we won't be able to actually enable this warning for a while to come. Co-authored-by: Commentator2.0 <lix@crystal-cavern.systems> Change-Id: I3b3b68c2eee4cd70959d3f4ca643cb6caf3a2217
19 lines
1.5 KiB
Plaintext
19 lines
1.5 KiB
Plaintext
warning: Whitespace calculations for indentation stripping in a multiline ''-string include the first line, so putting text on it will effectively disable all indentation stripping. To fix this, simply break the line right after the string starts. Use --extra-deprecated-features broken-string-indentation to silence this warning.
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at /pwd/in.nix:19:8:
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18|
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19| s2 = '' If the string starts with whitespace
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| ^
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20| followed by a newline, it's stripped, but
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warning: Whitespace calculations for indentation stripping in a multiline ''-string include the first line, so putting text on it will effectively disable all indentation stripping. To fix this, simply break the line right after the string starts. Use --extra-deprecated-features broken-string-indentation to silence this warning.
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at /pwd/in.nix:55:8:
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54|
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55| s8 = '' ${""}
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| ^
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56| This shows a hacky way to preserve an empty line after the start.
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warning: Whitespace in a ''-string will be stripped even if the string only has a single line, which is most likely not the intent of the code. To fix this, remove the whitespace or replace the string with " instead. Use --extra-deprecated-features broken-string-indentation to silence this warning.
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at /pwd/in.nix:102:9:
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101|
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102| s12 = '' '';
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| ^
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103|
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