https://llvm.org/bugs/show_bug.cgi?id=26613
Bug ID: 26613
Summary: recordDecl(unless(isDefinition())) is not the inverse
of recordDecl(isDefinition())
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: release blocker
Priority: P
Component: -New Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: legal...@xmission.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
The expectation is that recordDecl(unless(isDefinition())) should only match
declarations of struct/class/union that does not contain a body. However, this
doesn't work.
Example:
clanger> cat
../llvm/tools/clang/tools/extra/test/clang-tidy/readability-redundant-fwd-decl.cpp
// RUN: %check_clang_tidy %s readability-redundant-fwd-decl %t
class Foo;
class Foo;
// CHECK-MESSAGES: :[[@LINE-1]]:1: warning: redundant forward declaration
[readability-redundant-fwd-decl]
class Bar {
public:
int i;
};
class Bar;
~/dev/build
clanger> bin/clang-query
../llvm/tools/clang/tools/extra/test/clang-tidy/readability-redundant-fwd-decl.cpp
-- -std=c++11
clang-query> match recordDecl(isDefinition())
Match #1:
/home/richard/dev/build/../llvm/tools/clang/tools/extra/test/clang-tidy/readability-redundant-fwd-decl.cpp:7:1:
note: "root" binds here
class Bar {
^~~~~~~~~~~
1 match.
clang-query> match recordDecl(unless(isDefinition()))
Match #1:
/home/richard/dev/build/../llvm/tools/clang/tools/extra/test/clang-tidy/readability-redundant-fwd-decl.cpp:3:1:
note: "root" binds here
class Foo;
^~~~~~~~~
Match #2:
/home/richard/dev/build/../llvm/tools/clang/tools/extra/test/clang-tidy/readability-redundant-fwd-decl.cpp:4:1:
note: "root" binds here
class Foo;
^~~~~~~~~
Match #3:
/home/richard/dev/build/../llvm/tools/clang/tools/extra/test/clang-tidy/readability-redundant-fwd-decl.cpp:7:1:
note: "root" binds here
class Bar {
^~~~~~~~~
Match #4:
/home/richard/dev/build/../llvm/tools/clang/tools/extra/test/clang-tidy/readability-redundant-fwd-decl.cpp:12:1:
note: "root" binds here
class Bar;
^~~~~~~~~
4 matches.
clang-query>
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