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ParamDecl: Defend against default argument kind overwrites

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This commit is contained in:
Anthony Latsis
2023-12-23 00:08:33 +03:00
parent 516efdf43f
commit fa6924a34e
3 changed files with 43 additions and 25 deletions
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16
include/swift/AST/Decl.h
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@@ -6670,8 +6670,15 @@ public:
Identifier argumentName, SourceLoc parameterNameLoc,
Identifier parameterName, DeclContext *dc);
/// Create a new ParamDecl identical to the first except without the interface type.
static ParamDecl *cloneWithoutType(const ASTContext &Ctx, ParamDecl *PD);
/// Create a new `ParamDecl` identical to the given one except without the
/// interface type.
///
/// \param PD The parameter to clone.
/// \param defaultArgKind The default argument kind for the cloned parameter.
/// If \c std::nullopt, use the default argument kind of \p PD.
static ParamDecl *cloneWithoutType(
const ASTContext &Ctx, ParamDecl *PD,
std::optional<DefaultArgumentKind> defaultArgKind = std::nullopt);
/// Create a an identical copy of this ParamDecl.
static ParamDecl *clone(const ASTContext &Ctx, ParamDecl *PD);
@@ -6736,9 +6743,8 @@ public:
bool isDefaultArgument() const {
return getDefaultArgumentKind() != DefaultArgumentKind::None;
}
void setDefaultArgumentKind(DefaultArgumentKind K) {
Bits.ParamDecl.defaultArgumentKind = static_cast<unsigned>(K);
}
void setDefaultArgumentKind(DefaultArgumentKind K);
void setDefaultArgumentKind(ArgumentAttrs K) {
setDefaultArgumentKind(K.argumentKind);