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[rust] add deser support for enum type (#8803)

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* add deser support for enum type

* update generated files

* remove deser generator when bitflag enable

* add deser test

* Restore the Rust editions version

* Remove unnecessary modifications
This commit is contained in:
Fawdlstty
2025-12-03 11:48:45 +08:00
committed by GitHub
parent a5343d6116
commit 17ceaae16e
8 changed files with 129 additions and 2 deletions
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23
src/idl_gen_rust.cpp
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@@ -841,6 +841,29 @@ class RustGenerator : public BaseGenerator {
code_ += " }";
code_ += "}";
code_ += "";
if (!IsBitFlagsEnum(enum_def)) {
code_ += "impl<'de> serde::Deserialize<'de> for {{ENUM_TY}} {";
code_ +=
" fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>";
code_ += " where";
code_ += " D: serde::Deserializer<'de>,";
code_ += " {";
code_ += " let s = String::deserialize(deserializer)?;";
code_ += " for item in {{ENUM_TY}}::ENUM_VALUES {";
code_ += " if let Some(item_name) = item.variant_name() {";
code_ += " if item_name == s {";
code_ += " return Ok(item.clone());";
code_ += " }";
code_ += " }";
code_ += " }";
code_ += " Err(serde::de::Error::custom(format!(";
code_ += " \"Unknown {{ENUM_TY}} variant: {s}\"";
code_ += " )))";
code_ += " }";
code_ += "}";
code_ += "";
}
}
// Generate Follow and Push so we can serialize and stuff.