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LLDB crystal formatters not working on windows #12112

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wonderix opened this issue Jun 11, 2022 · 2 comments
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LLDB crystal formatters not working on windows #12112

wonderix opened this issue Jun 11, 2022 · 2 comments
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kind:bug platform:windows topic:compiler:debugger

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@wonderix
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Bug Report

LLDB crystal formatters etc/lldb/crystal_formatters.py not working on windows. It seems that strings on windows are prefixed with a 4 byte integer.

I will provide a PR for this.
@wonderix wonderix mentioned this issue Jun 11, 2022
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@wonderix
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wonderix commented Jun 11, 2022 •
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It seems that this is related to lldb. Debugging the same executable with Visual Studio shows the correct value of member c. In lldb the value of c is shown as utf8 equivalent of 12 (the length of the string)

image

This is the output of lldb

(lldb) p *v1
(String) $0 = (bytesize = 1, length = 12, c = '\f')
(lldb)

@HertzDevil
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I am quite sure Visual Studio uses Natvis, not LLDB's type formatters.

@HertzDevil HertzDevil mentioned this issue Jul 6, 2022
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kind:bug platform:windows topic:compiler:debugger
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Fix LLDB Crystal formatters on Windows wonderix/crystal
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@HertzDevil @wonderix @Blacksmoke16