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[AST] Migrate away from PointerUnion::dyn_cast (NFC) #124674

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Merged
merged 1 commit into from
Jan 28, 2025
Merged

[AST] Migrate away from PointerUnion::dyn_cast (NFC) #124674

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15 changes: 10 additions & 5 deletions clang/include/clang/AST/DeclTemplate.h
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Original file line number Diff line number Diff line change
Expand Up @@ -2018,7 +2018,8 @@ class ClassTemplateSpecializationDecl : public CXXRecordDecl,
/// Set the template argument list as written in the sources.
void
setTemplateArgsAsWritten(const ASTTemplateArgumentListInfo *ArgsWritten) {
if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
if (auto *Info =
dyn_cast_if_present<ExplicitInstantiationInfo *>(ExplicitInfo))
Info->TemplateArgsAsWritten = ArgsWritten;
else
ExplicitInfo = ArgsWritten;
Expand All @@ -2032,7 +2033,8 @@ class ClassTemplateSpecializationDecl : public CXXRecordDecl,

/// Gets the location of the extern keyword, if present.
SourceLocation getExternKeywordLoc() const {
if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
if (auto *Info =
dyn_cast_if_present<ExplicitInstantiationInfo *>(ExplicitInfo))
return Info->ExternKeywordLoc;
return SourceLocation();
}
Expand Down Expand Up @@ -2780,7 +2782,8 @@ class VarTemplateSpecializationDecl : public VarDecl,
/// Retrieve the template argument list as written in the sources,
/// if any.
const ASTTemplateArgumentListInfo *getTemplateArgsAsWritten() const {
if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
if (auto *Info =
dyn_cast_if_present<ExplicitInstantiationInfo *>(ExplicitInfo))
return Info->TemplateArgsAsWritten;
return cast<const ASTTemplateArgumentListInfo *>(ExplicitInfo);
}
Expand All @@ -2803,7 +2806,8 @@ class VarTemplateSpecializationDecl : public VarDecl,

/// Gets the location of the extern keyword, if present.
SourceLocation getExternKeywordLoc() const {
if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
if (auto *Info =
dyn_cast_if_present<ExplicitInstantiationInfo *>(ExplicitInfo))
return Info->ExternKeywordLoc;
return SourceLocation();
}
Expand All @@ -2813,7 +2817,8 @@ class VarTemplateSpecializationDecl : public VarDecl,

/// Gets the location of the template keyword, if present.
SourceLocation getTemplateKeywordLoc() const {
if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
if (auto *Info =
dyn_cast_if_present<ExplicitInstantiationInfo *>(ExplicitInfo))
return Info->TemplateKeywordLoc;
return SourceLocation();
}
Expand Down
4 changes: 2 additions & 2 deletions clang/lib/AST/DeclTemplate.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1496,7 +1496,7 @@ SourceRange VarTemplateSpecializationDecl::getSourceRange() const {
}

void VarTemplateSpecializationDecl::setExternKeywordLoc(SourceLocation Loc) {
auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>();
auto *Info = dyn_cast_if_present<ExplicitInstantiationInfo *>(ExplicitInfo);
if (!Info) {
// Don't allocate if the location is invalid.
if (Loc.isInvalid())
Expand All @@ -1509,7 +1509,7 @@ void VarTemplateSpecializationDecl::setExternKeywordLoc(SourceLocation Loc) {
}

void VarTemplateSpecializationDecl::setTemplateKeywordLoc(SourceLocation Loc) {
auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>();
auto *Info = dyn_cast_if_present<ExplicitInstantiationInfo *>(ExplicitInfo);
if (!Info) {
// Don't allocate if the location is invalid.
if (Loc.isInvalid())
Expand Down
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