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[SILDeclRef] RuntimeMetadata: Add a special kind for runtime attribute generator

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A new `RuntimeAttributeGenerator` is used to reference runtime
attribute generator functions synthesized by SILGen.
`#function` magic literal points to the declaration that declaration
attribute is attached to.
This commit is contained in:
Pavel Yaskevich
2022-12-01 16:19:45 -08:00
parent 91042d77aa
commit b83b0943b5
11 changed files with 106 additions and 20 deletions
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23
lib/SIL/IR/SILDeclRef.cpp
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@@ -369,6 +369,7 @@ bool SILDeclRef::hasUserWrittenCode() const {
case Kind::PropertyWrapperInitFromProjectedValue:
case Kind::EntryPoint:
case Kind::AsyncEntryPoint:
case Kind::RuntimeAttributeGenerator:
// Implicit decls for these don't splice in user-written code.
return false;
}
@@ -510,6 +511,9 @@ static LinkageLimit getLinkageLimit(SILDeclRef constant) {
// class from which they come, and never get seen externally.
return Limit::NeverPublic;
case Kind::RuntimeAttributeGenerator:
return Limit::NeverPublic;
case Kind::EntryPoint:
case Kind::AsyncEntryPoint:
llvm_unreachable("Already handled");
@@ -671,6 +675,16 @@ SILDeclRef SILDeclRef::getMainFileEntryPoint(FileUnit *file) {
return result;
}
SILDeclRef SILDeclRef::getRuntimeAttributeGenerator(CustomAttr *attr,
ValueDecl *decl) {
SILDeclRef result;
result.loc = decl;
result.kind = Kind::RuntimeAttributeGenerator;
result.isRuntimeAccessible = true;
result.pointer = attr;
return result;
}
bool SILDeclRef::hasClosureExpr() const {
return loc.is<AbstractClosureExpr *>()
&& isa<ClosureExpr>(getAbstractClosureExpr());
@@ -1009,7 +1023,8 @@ bool SILDeclRef::isBackDeploymentThunk() const {
}
bool SILDeclRef::isRuntimeAccessibleFunction() const {
return isRuntimeAccessible && kind == Kind::Func;
return isRuntimeAccessible &&
(kind == Kind::Func || kind == Kind::RuntimeAttributeGenerator);
}
/// Use the Clang importer to mangle a Clang declaration.
@@ -1188,6 +1203,10 @@ std::string SILDeclRef::mangle(ManglingKind MKind) const {
case SILDeclRef::Kind::EntryPoint: {
return getASTContext().getEntryPointFunctionName();
}
case SILDeclRef::Kind::RuntimeAttributeGenerator:
return mangler.mangleRuntimeAttributeGeneratorEntity(
loc.get<ValueDecl *>(), pointer.get<CustomAttr *>(), SKind);
}
llvm_unreachable("bad entity kind!");
@@ -1556,7 +1575,7 @@ unsigned SILDeclRef::getParameterListCount() const {
// Always uncurried even if the underlying function is curried.
if (kind == Kind::DefaultArgGenerator || kind == Kind::EntryPoint ||
kind == Kind::AsyncEntryPoint)
kind == Kind::AsyncEntryPoint || kind == Kind::RuntimeAttributeGenerator)
return 1;
auto *vd = getDecl();