compilerplugins/clang/compat.hxx | 12 ++++++++
compilerplugins/clang/constfields.cxx | 6 ++--
compilerplugins/clang/constmethod.cxx | 2 -
compilerplugins/clang/constparams.cxx | 2 -
compilerplugins/clang/constvars.cxx | 8 ++---
compilerplugins/clang/plugin.cxx | 38 ++++++++++++++++++++++-----
compilerplugins/clang/plugin.hxx | 15 +++++++++-
compilerplugins/clang/singlevalfields.cxx | 2 -
compilerplugins/clang/unusedfields.cxx | 14 ++++-----
compilerplugins/clang/unusedvariablemore.cxx | 2 -
compilerplugins/clang/writeonlyvars.cxx | 12 ++++----
11 files changed, 81 insertions(+), 32 deletions(-)
New commits:
commit 09aa5a9be8b9b3c88cf25b85e0eda28c5ef19aa4
Author: Stephan Bergmann <sberg...@redhat.com>
AuthorDate: Mon May 25 15:50:21 2020 +0200
Commit: Stephan Bergmann <sberg...@redhat.com>
CommitDate: Mon May 25 20:40:25 2020 +0200
Adapt to changed clang::ASTContext::getParents behavior on Clang 11 trunk
...since <https://github.com/llvm/llvm-project/commit/
d0da5d2bbe8305d06dc01a98706fd73e11e24a9f> "Change default traversal in AST
Matchers to ignore invisible nodes". This caused failures
> [CPT] compilerplugins/clang/test/constparams.cxx
> ParmVarDecl 0x11d76c730
<compilerplugins/clang/test/constparams.cxx:15:12, col:18> col:18 used f1 'int
*'
> DeclRefExpr 0x11d76c948 'int *' lvalue ParmVar 0x11d76c730 'f1' 'int *'
> ParmVarDecl 0x11d76cc80
<compilerplugins/clang/test/constparams.cxx:21:12, col:18> col:18 used f2 'int
*'
> DeclRefExpr 0x11d76ce60 'int *' lvalue ParmVar 0x11d76cc80 'f2' 'int *'
> error: 'error' diagnostics expected but not seen:
> File compilerplugins/clang/test/constparams.cxx Line 15: this parameter
can be const Class1::Class1 [loplugin:constparams]
> error: 'error' diagnostics seen but not expected:
> File compilerplugins/clang/test/constparams.cxx Line 15: no parent?
[loplugin:constparams]
> File compilerplugins/clang/test/constparams.cxx Line 21: no parent?
[loplugin:constparams]
> 3 errors generated.
[...]
> [CPT] compilerplugins/clang/test/unusedenumconstants.cxx
> error: 'error' diagnostics expected but not seen:
> File compilerplugins/clang/test/unusedenumconstants.cxx Line 30: read
Bottom [loplugin:unusedenumconstants]
> error: 'error' diagnostics seen but not expected:
> File compilerplugins/clang/test/unusedenumconstants.cxx Line 30: write
Bottom [loplugin:unusedenumconstants]
> 2 errors generated.
[...]
> [CPT] compilerplugins/clang/test/unusedfields.cxx
> error: 'error' diagnostics expected but not seen:
> File compilerplugins/clang/test/unusedfields.cxx Line 156 (directive at
compilerplugins/clang/test/unusedfields.cxx:164): write m_f5
[loplugin:unusedfields]
> File compilerplugins/clang/test/unusedfields.cxx Line 210 (directive at
compilerplugins/clang/test/unusedfields.cxx:211): read m_f1
[loplugin:unusedfields]
> 2 errors generated.
For compilerplugins/clang/test/constparams.cxx at least it would have
worked to
fix that locally with
> diff --git a/compilerplugins/clang/constparams.cxx
b/compilerplugins/clang/constparams.cxx
> index 95c8184009d7..70f056fa5a69 100644
> --- a/compilerplugins/clang/constparams.cxx
> +++ b/compilerplugins/clang/constparams.cxx
> @@ -274,7 +274,7 @@ bool ConstParams::checkIfCanBeConst(const Stmt* stmt,
const ParmVarDecl* parmVar
> {
> for ( auto cxxCtorInitializer :
cxxConstructorDecl->inits())
> {
> - if ( cxxCtorInitializer->getInit() == stmt)
> + if ( cxxCtorInitializer->getInit()->IgnoreImpCasts()
== stmt)
> {
> if (cxxCtorInitializer->isAnyMemberInitializer())
> {
(somewhat unintuitively, given the Clang change is apparently about ignoring
more implicit nodes), but overall it appears better---at least for now---to
use
a getParents variant that keeps the old traversal behavior.
For that, instead of using the clang::ASTContext::ParentMapCtx, we create
our
own loplugin::Plugin::parentMapContext_. There appear to be no uses of
ASTContext::getParent across the Clang codebase itself, outside of
ASTMatcher
code, so it looks unlikely that creating our own ParentMapContext instance
would
degrade performance by no longer sharing cached data between Clang's
internals
and our plugin. (And given that ASTContext::getParents is deprecated with
the
note "New callers should use ParentMapContext::getParents() directly", this
may
well be the correct way in the long run, anyway.)
Change-Id: I46c7912f2737e7c224fd45ab41441f69e2f10bd4
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/94795
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sberg...@redhat.com>
diff --git a/compilerplugins/clang/compat.hxx b/compilerplugins/clang/compat.hxx
index ca752552f677..76f076621394 100644
--- a/compilerplugins/clang/compat.hxx
+++ b/compilerplugins/clang/compat.hxx
@@ -24,6 +24,12 @@
#include "config_clang.h"
+#if CLANG_VERSION >= 110000
+namespace clang { class DynTypedNodeList; }
+#else
+#include "clang/AST/ASTContext.h"
+#endif
+
// Compatibility wrapper to abstract over (trivial) changes in the Clang API:
namespace compat {
@@ -289,6 +295,12 @@ inline clang::QualType
getDeclaredReturnType(clang::FunctionDecl const * decl) {
#endif
}
+#if CLANG_VERSION >= 110000
+using DynTypedNodeList = clang::DynTypedNodeList;
+#else
+using DynTypedNodeList = clang::ASTContext::DynTypedNodeList;
+#endif
+
}
#endif
diff --git a/compilerplugins/clang/constfields.cxx
b/compilerplugins/clang/constfields.cxx
index 635774810717..b06773c55047 100644
--- a/compilerplugins/clang/constfields.cxx
+++ b/compilerplugins/clang/constfields.cxx
@@ -360,7 +360,7 @@ bool ConstFields::VisitMemberExpr(const MemberExpr*
memberExpr)
void ConstFields::check(const FieldDecl* fieldDecl, const Expr* memberExpr)
{
- auto parentsRange = compiler.getASTContext().getParents(*memberExpr);
+ auto parentsRange = getParents(*memberExpr);
const Stmt* child = memberExpr;
const Stmt* parent
= parentsRange.begin() == parentsRange.end() ? nullptr :
parentsRange.begin()->get<Stmt>();
@@ -369,7 +369,7 @@ void ConstFields::check(const FieldDecl* fieldDecl, const
Expr* memberExpr)
bool bDump = false;
auto walkUp = [&]() {
child = parent;
- auto parentsRange = compiler.getASTContext().getParents(*parent);
+ auto parentsRange = getParents(*parent);
parent = parentsRange.begin() == parentsRange.end() ? nullptr
:
parentsRange.begin()->get<Stmt>();
};
@@ -379,7 +379,7 @@ void ConstFields::check(const FieldDecl* fieldDecl, const
Expr* memberExpr)
{
// check if we have an expression like
// int& r = m_field;
- auto parentsRange = compiler.getASTContext().getParents(*child);
+ auto parentsRange = getParents(*child);
if (parentsRange.begin() != parentsRange.end())
{
auto varDecl =
dyn_cast_or_null<VarDecl>(parentsRange.begin()->get<Decl>());
diff --git a/compilerplugins/clang/constmethod.cxx
b/compilerplugins/clang/constmethod.cxx
index 45451152dc99..93496148b458 100644
--- a/compilerplugins/clang/constmethod.cxx
+++ b/compilerplugins/clang/constmethod.cxx
@@ -194,7 +194,7 @@ bool ConstMethod::checkIfCanBeConst(const Stmt* stmt, const
CXXMethodDecl* cxxMe
{
const Stmt* parent = getParentStmt( stmt );
if (!parent) {
- auto parentsRange = compiler.getASTContext().getParents(*stmt);
+ auto parentsRange = getParents(*stmt);
if ( parentsRange.begin() == parentsRange.end())
return true;
auto varDecl =
dyn_cast_or_null<VarDecl>(parentsRange.begin()->get<Decl>());
diff --git a/compilerplugins/clang/constparams.cxx
b/compilerplugins/clang/constparams.cxx
index 95c8184009d7..8059495180a7 100644
--- a/compilerplugins/clang/constparams.cxx
+++ b/compilerplugins/clang/constparams.cxx
@@ -267,7 +267,7 @@ bool ConstParams::checkIfCanBeConst(const Stmt* stmt, const
ParmVarDecl* parmVar
if (!parent)
{
// check if we're inside a CXXCtorInitializer
- auto parentsRange = compiler.getASTContext().getParents(*stmt);
+ auto parentsRange = getParents(*stmt);
if ( parentsRange.begin() != parentsRange.end())
{
if (auto cxxConstructorDecl =
dyn_cast_or_null<CXXConstructorDecl>(parentsRange.begin()->get<Decl>()))
diff --git a/compilerplugins/clang/constvars.cxx
b/compilerplugins/clang/constvars.cxx
index f89301fed205..3c78bd458ffa 100644
--- a/compilerplugins/clang/constvars.cxx
+++ b/compilerplugins/clang/constvars.cxx
@@ -304,7 +304,7 @@ bool ConstVars::VisitDeclRefExpr(const DeclRefExpr*
declRefExpr)
void ConstVars::check(const VarDecl* varDecl, const Expr* memberExpr)
{
- auto parentsRange = compiler.getASTContext().getParents(*memberExpr);
+ auto parentsRange = getParents(*memberExpr);
const Stmt* child = memberExpr;
const Stmt* parent
= parentsRange.begin() == parentsRange.end() ? nullptr :
parentsRange.begin()->get<Stmt>();
@@ -315,7 +315,7 @@ void ConstVars::check(const VarDecl* varDecl, const Expr*
memberExpr)
bool bDump = false;
auto walkUp = [&]() {
child = parent;
- auto parentsRange = compiler.getASTContext().getParents(*parent);
+ auto parentsRange = getParents(*parent);
parent = parentsRange.begin() == parentsRange.end() ? nullptr
:
parentsRange.begin()->get<Stmt>();
};
@@ -325,7 +325,7 @@ void ConstVars::check(const VarDecl* varDecl, const Expr*
memberExpr)
{
// check if we have an expression like
// int& r = var;
- auto parentsRange = compiler.getASTContext().getParents(*child);
+ auto parentsRange = getParents(*child);
if (parentsRange.begin() != parentsRange.end())
{
auto varDecl =
dyn_cast_or_null<VarDecl>(parentsRange.begin()->get<Decl>());
@@ -334,7 +334,7 @@ void ConstVars::check(const VarDecl* varDecl, const Expr*
memberExpr)
if (varDecl->isImplicit())
{
// so we can walk up from inside a for-range stmt
- parentsRange =
compiler.getASTContext().getParents(*varDecl);
+ parentsRange = getParents(*varDecl);
if (parentsRange.begin() != parentsRange.end())
parent = parentsRange.begin()->get<Stmt>();
}
diff --git a/compilerplugins/clang/plugin.cxx b/compilerplugins/clang/plugin.cxx
index b885ab5e5555..0ffab3ba36bd 100644
--- a/compilerplugins/clang/plugin.cxx
+++ b/compilerplugins/clang/plugin.cxx
@@ -184,9 +184,35 @@ bool Plugin::evaluate(const Expr* expr, APSInt& x)
return false;
}
+compat::DynTypedNodeList Plugin::getParents(Decl const & decl)
+{
+#if CLANG_VERSION >= 110000
+ if (!parentMapContext_) {
+ parentMapContext_.reset(new
ParentMapContext(compiler.getASTContext()));
+ parentMapContext_->setTraversalKind(TK_AsIs);
+ }
+ return parentMapContext_->getParents(decl);
+#else
+ return compiler.getASTContext().getParents(decl);
+#endif
+}
+
+compat::DynTypedNodeList Plugin::getParents(Stmt const & stmt)
+{
+#if CLANG_VERSION >= 110000
+ if (!parentMapContext_) {
+ parentMapContext_.reset(new
ParentMapContext(compiler.getASTContext()));
+ parentMapContext_->setTraversalKind(TK_AsIs);
+ }
+ return parentMapContext_->getParents(stmt);
+#else
+ return compiler.getASTContext().getParents(stmt);
+#endif
+}
+
const Stmt* Plugin::getParentStmt( const Stmt* stmt )
{
- auto parentsRange = compiler.getASTContext().getParents(*stmt);
+ auto parentsRange = getParents(*stmt);
if ( parentsRange.begin() == parentsRange.end())
return nullptr;
return parentsRange.begin()->get<Stmt>();
@@ -194,15 +220,15 @@ const Stmt* Plugin::getParentStmt( const Stmt* stmt )
Stmt* Plugin::getParentStmt( Stmt* stmt )
{
- auto parentsRange = compiler.getASTContext().getParents(*stmt);
+ auto parentsRange = getParents(*stmt);
if ( parentsRange.begin() == parentsRange.end())
return nullptr;
return const_cast<Stmt*>(parentsRange.begin()->get<Stmt>());
}
-const Decl* getFunctionDeclContext(ASTContext& context, const Stmt* stmt)
+const Decl* Plugin::getFunctionDeclContext(const Stmt* stmt)
{
- auto const parents = context.getParents(*stmt);
+ auto const parents = getParents(*stmt);
auto it = parents.begin();
if (it == parents.end())
@@ -218,14 +244,14 @@ const Decl* getFunctionDeclContext(ASTContext& context,
const Stmt* stmt)
stmt = it->get<Stmt>();
if (stmt)
- return getFunctionDeclContext(context, stmt);
+ return getFunctionDeclContext(stmt);
return nullptr;
}
const FunctionDecl* Plugin::getParentFunctionDecl( const Stmt* stmt )
{
- const Decl *decl = getFunctionDeclContext(compiler.getASTContext(), stmt);
+ const Decl *decl = getFunctionDeclContext(stmt);
if (decl)
return static_cast<const FunctionDecl*>(decl->getNonClosureContext());
diff --git a/compilerplugins/clang/plugin.hxx b/compilerplugins/clang/plugin.hxx
index 361bca922035..2d43371feede 100644
--- a/compilerplugins/clang/plugin.hxx
+++ b/compilerplugins/clang/plugin.hxx
@@ -18,6 +18,8 @@
#include <clang/Basic/SourceManager.h>
#include <clang/Frontend/CompilerInstance.h>
#include <clang/Lex/Preprocessor.h>
+
+#include <memory>
#include <unordered_map>
#include <vector>
@@ -26,6 +28,10 @@
#include "compat.hxx"
#include "pluginhandler.hxx"
+#if CLANG_VERSION >= 110000
+#include "clang/AST/ParentMapContext.h"
+#endif
+
using namespace clang;
using namespace llvm;
@@ -78,8 +84,11 @@ protected:
Returns the parent of the given AST node. Clang's internal AST
representation doesn't provide this information,
it can only provide children, but getting the parent is often useful for
inspecting a part of the AST.
*/
+ compat::DynTypedNodeList getParents(Decl const & decl);
+ compat::DynTypedNodeList getParents(Stmt const & stmt);
const Stmt* getParentStmt( const Stmt* stmt );
Stmt* getParentStmt( Stmt* stmt );
+ const Decl* getFunctionDeclContext(const Stmt* stmt);
const FunctionDecl* getParentFunctionDecl( const Stmt* stmt );
/**
@@ -112,6 +121,10 @@ private:
enum { isRewriter = false };
const char* name;
+
+#if CLANG_VERSION >= 110000
+ std::unique_ptr<ParentMapContext> parentMapContext_;
+#endif
};
template<typename Derived>
@@ -309,8 +322,6 @@ bool hasExternalLinkage(VarDecl const * decl);
bool isSmartPointerType(const clang::Type*);
bool isSmartPointerType(const Expr*);
-const Decl* getFunctionDeclContext(ASTContext& context, const Stmt* stmt);
-
} // namespace
#endif // COMPILEPLUGIN_H
diff --git a/compilerplugins/clang/singlevalfields.cxx
b/compilerplugins/clang/singlevalfields.cxx
index ce60eeea7df0..76902f22737f 100644
--- a/compilerplugins/clang/singlevalfields.cxx
+++ b/compilerplugins/clang/singlevalfields.cxx
@@ -315,7 +315,7 @@ void SingleValFields::walkPotentialAssign( const
DeclaratorDecl* fieldOrVarDecl,
while (!bPotentiallyAssignedTo) {
// check for field being accessed by a reference variable e.g. Foo& f
= m.foo;
- auto parentsList = compiler.getASTContext().getParents(*child);
+ auto parentsList = getParents(*child);
auto it = parentsList.begin();
if (it != parentsList.end()) {
const VarDecl *varDecl = it->get<VarDecl>();
diff --git a/compilerplugins/clang/unusedfields.cxx
b/compilerplugins/clang/unusedfields.cxx
index 6bbb35930696..de879fc3476d 100644
--- a/compilerplugins/clang/unusedfields.cxx
+++ b/compilerplugins/clang/unusedfields.cxx
@@ -531,7 +531,7 @@ void UnusedFields::checkIfReadFrom(const FieldDecl*
fieldDecl, const Expr* membe
return;
}
- auto parentsRange = compiler.getASTContext().getParents(*memberExpr);
+ auto parentsRange = getParents(*memberExpr);
const Stmt* child = memberExpr;
const Stmt* parent = parentsRange.begin() == parentsRange.end() ? nullptr
: parentsRange.begin()->get<Stmt>();
// walk up the tree until we find something interesting
@@ -539,7 +539,7 @@ void UnusedFields::checkIfReadFrom(const FieldDecl*
fieldDecl, const Expr* membe
bool bDump = false;
auto walkUp = [&]() {
child = parent;
- auto parentsRange = compiler.getASTContext().getParents(*parent);
+ auto parentsRange = getParents(*parent);
parent = parentsRange.begin() == parentsRange.end() ? nullptr :
parentsRange.begin()->get<Stmt>();
};
do
@@ -547,7 +547,7 @@ void UnusedFields::checkIfReadFrom(const FieldDecl*
fieldDecl, const Expr* membe
if (!parent)
{
// check if we're inside a CXXCtorInitializer or a VarDecl
- auto parentsRange = compiler.getASTContext().getParents(*child);
+ auto parentsRange = getParents(*child);
if ( parentsRange.begin() != parentsRange.end())
{
const Decl* decl = parentsRange.begin()->get<Decl>();
@@ -779,7 +779,7 @@ void UnusedFields::checkIfWrittenTo(const FieldDecl*
fieldDecl, const Expr* memb
if (std::find(insideConditionalCheckOfMemberSet.begin(),
insideConditionalCheckOfMemberSet.end(), fieldDecl) !=
insideConditionalCheckOfMemberSet.end())
return;
- auto parentsRange = compiler.getASTContext().getParents(*memberExpr);
+ auto parentsRange = getParents(*memberExpr);
const Stmt* child = memberExpr;
const Stmt* parent = parentsRange.begin() == parentsRange.end() ? nullptr
: parentsRange.begin()->get<Stmt>();
// walk up the tree until we find something interesting
@@ -787,7 +787,7 @@ void UnusedFields::checkIfWrittenTo(const FieldDecl*
fieldDecl, const Expr* memb
bool bDump = false;
auto walkUp = [&]() {
child = parent;
- auto parentsRange = compiler.getASTContext().getParents(*parent);
+ auto parentsRange = getParents(*parent);
parent = parentsRange.begin() == parentsRange.end() ? nullptr :
parentsRange.begin()->get<Stmt>();
};
do
@@ -796,7 +796,7 @@ void UnusedFields::checkIfWrittenTo(const FieldDecl*
fieldDecl, const Expr* memb
{
// check if we have an expression like
// int& r = m_field;
- auto parentsRange = compiler.getASTContext().getParents(*child);
+ auto parentsRange = getParents(*child);
if (parentsRange.begin() != parentsRange.end())
{
auto varDecl =
dyn_cast_or_null<VarDecl>(parentsRange.begin()->get<Decl>());
@@ -1157,7 +1157,7 @@ void UnusedFields::checkTouchedFromOutside(const
FieldDecl* fieldDecl, const Exp
if (memberExprParentFunction)
memberExprParentFunction->dump();
memberExpr->dump();
- const Decl *decl =
loplugin::getFunctionDeclContext(compiler.getASTContext(), memberExpr);
+ const Decl *decl = getFunctionDeclContext(memberExpr);
if (decl)
decl->dump();
std::cout << "site1" << std::endl;
diff --git a/compilerplugins/clang/unusedvariablemore.cxx
b/compilerplugins/clang/unusedvariablemore.cxx
index ba137199ef4c..38e3bbe81fe0 100644
--- a/compilerplugins/clang/unusedvariablemore.cxx
+++ b/compilerplugins/clang/unusedvariablemore.cxx
@@ -208,7 +208,7 @@ bool UnusedVariableMore::checkifUnused(Stmt const* stmt,
VarDecl const* varDecl)
if (!parent)
{
// check if we're inside a CXXCtorInitializer
- auto parentsRange = compiler.getASTContext().getParents(*stmt);
+ auto parentsRange = getParents(*stmt);
if (parentsRange.begin() != parentsRange.end())
{
auto parentDecl = parentsRange.begin()->get<Decl>();
diff --git a/compilerplugins/clang/writeonlyvars.cxx
b/compilerplugins/clang/writeonlyvars.cxx
index 6161b428557a..de8e77cc7610 100644
--- a/compilerplugins/clang/writeonlyvars.cxx
+++ b/compilerplugins/clang/writeonlyvars.cxx
@@ -593,7 +593,7 @@ bool WriteOnlyVars::TraverseIfStmt(IfStmt* ifStmt)
void WriteOnlyVars::checkIfReadFrom(const VarDecl* varDecl, const Expr*
memberExpr)
{
- auto parentsRange = compiler.getASTContext().getParents(*memberExpr);
+ auto parentsRange = getParents(*memberExpr);
const Stmt* child = memberExpr;
const Stmt* parent
= parentsRange.begin() == parentsRange.end() ? nullptr :
parentsRange.begin()->get<Stmt>();
@@ -602,7 +602,7 @@ void WriteOnlyVars::checkIfReadFrom(const VarDecl* varDecl,
const Expr* memberEx
bool bDump = false;
auto walkupUp = [&]() {
child = parent;
- auto parentsRange = compiler.getASTContext().getParents(*parent);
+ auto parentsRange = getParents(*parent);
parent = parentsRange.begin() == parentsRange.end() ? nullptr
:
parentsRange.begin()->get<Stmt>();
};
@@ -611,7 +611,7 @@ void WriteOnlyVars::checkIfReadFrom(const VarDecl* varDecl,
const Expr* memberEx
if (!parent)
{
// check if we're inside a CXXCtorInitializer or a VarDecl
- auto parentsRange = compiler.getASTContext().getParents(*child);
+ auto parentsRange = getParents(*child);
if (parentsRange.begin() != parentsRange.end())
{
const Decl* decl = parentsRange.begin()->get<Decl>();
@@ -810,7 +810,7 @@ void WriteOnlyVars::checkIfWrittenTo(const VarDecl*
varDecl, const Expr* memberE
!= insideConditionalCheckOfMemberSet.end())
return;
- auto parentsRange = compiler.getASTContext().getParents(*memberExpr);
+ auto parentsRange = getParents(*memberExpr);
const Stmt* child = memberExpr;
const Stmt* parent
= parentsRange.begin() == parentsRange.end() ? nullptr :
parentsRange.begin()->get<Stmt>();
@@ -819,7 +819,7 @@ void WriteOnlyVars::checkIfWrittenTo(const VarDecl*
varDecl, const Expr* memberE
bool bDump = false;
auto walkupUp = [&]() {
child = parent;
- auto parentsRange = compiler.getASTContext().getParents(*parent);
+ auto parentsRange = getParents(*parent);
parent = parentsRange.begin() == parentsRange.end() ? nullptr
:
parentsRange.begin()->get<Stmt>();
};
@@ -829,7 +829,7 @@ void WriteOnlyVars::checkIfWrittenTo(const VarDecl*
varDecl, const Expr* memberE
{
// check if we have an expression like
// int& r = var;
- auto parentsRange = compiler.getASTContext().getParents(*child);
+ auto parentsRange = getParents(*child);
if (parentsRange.begin() != parentsRange.end())
{
auto varDecl =
dyn_cast_or_null<VarDecl>(parentsRange.begin()->get<Decl>());
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