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Control characters and quotes in strings are not escaped when printed #1257

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vkleen opened this issue Apr 18, 2023 · 0 comments · Fixed by #1262
Closed

Control characters and quotes in strings are not escaped when printed #1257

vkleen opened this issue Apr 18, 2023 · 0 comments · Fixed by #1262
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type: bug

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@vkleen
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vkleen commented Apr 18, 2023

Nickel doens't escape quotes in strings output from the interpreter:

nickel> "a\"bcd\"d"
"a"bcd"d"

Other special characters are also not escaped, leading to this confusing output:

nickel> "a\r"
"a

The interpreter should escape control characters and quotes when displaying a string value.
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Replace Term::deep_repr by the pretty printer tweag/nickel
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@yannham @vkleen