================
@@ -1822,28 +1822,106 @@ void WriteSemanticSpellingSwitch(const std::string
&VarName,
OS << " }\n";
}
+enum class LateAttrParseKind {
+ LateAttrParsingNever = 0,
+ LateAttrParsingAlways = 1,
+ LateAttrParsingExperimentalOnly = 2
+};
+
+static LateAttrParseKind getLateAttrParseKind(const Record *Attr) {
+ // This function basically does
+ // `Attr->getValueAsDef("LateParsed")->getValueAsInt("Mode")` but does
+ // a bunch of sanity checking to ensure that
+ // `LateAttrParseMode` in `Attr.td` is in sync with the `LateAttrParseKind`
+ // enum in this source file.
+
+ const char *LateParsedStr = "LateParsed";
+ auto *LAPK = Attr->getValueAsDef(LateParsedStr);
+
+ // Typecheck the `LateParsed` field.
+ SmallVector<Record *, 1> SuperClasses;
+ LAPK->getDirectSuperClasses(SuperClasses);
+ if (SuperClasses.size() != 1) {
+ PrintFatalError(Attr, "Field `" + llvm::Twine(LateParsedStr) +
+ "`should only have one super class");
+ }
+ const char *LateAttrParseKindStr = "LateAttrParseKind";
+ if (SuperClasses[0]->getName().compare(LateAttrParseKindStr) != 0) {
+ PrintFatalError(Attr, "Field `" + llvm::Twine(LateParsedStr) +
+ "`should only have type `" +
+ llvm::Twine(LateAttrParseKindStr) +
+ "` but found type `" +
+ SuperClasses[0]->getName() + "`");
+ }
+
+ // Get Kind and verify the enum name matches the name in `Attr.td`.
+ const char *KindFieldStr = "Kind";
----------------
Sirraide wrote:
```suggestion
static constexpr StringRef KindFieldStr = "Kind";
```
https://github.com/llvm/llvm-project/pull/88596
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