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AK: Warn when trying to set @foo@ as a SourceGenerator key

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I was very confused why I was getting "no key named `foo`" errors, so
hopefully this will save someone that confusion in the future. :^)

(It'll probably be me again...)
This commit is contained in:
Sam Atkins 2022-08-23 16:40:39 +01:00 committed by Andreas Kling
parent 9cf329183f
commit 32c99313a6
Notes: sideshowbarker 2024-07-17 07:19:28 +09:00 
Author: https://github.com/AtkinsSJ
Commit: https://github.com/SerenityOS/serenity/commit/32c99313a6
Pull-request: https://github.com/SerenityOS/serenity/pull/15153
Reviewed-by: https://github.com/linusg
1 changed files with 9 additions and 1 deletions
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10
AK/SourceGenerator.h
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@ -37,7 +37,15 @@ public:
SourceGenerator fork() { return SourceGenerator { m_builder, m_mapping, m_opening, m_closing }; }
void set(StringView key, String value) { m_mapping.set(key, move(value)); }
void set(StringView key, String value)
{
if (key.contains(m_opening) || key.contains(m_closing)) {
warnln("SourceGenerator keys cannot contain the opening/closing delimiters `{}` and `{}`. (Keys are only wrapped in these when using them, not when setting them.)", m_opening, m_closing);
VERIFY_NOT_REACHED();
}
m_mapping.set(key, move(value));
}
String get(StringView key) const
{
auto result = m_mapping.get(key);