Add support to the `isInline` matcher for C++17's inline variables.
Reviewed By: aaron.ballman
Differential Revision: https://reviews.llvm.org/D118900
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FunctionDecl.html">FunctionDecl</a>></td><td class="name" onclick="toggle('isInline1')"><a name="isInline1Anchor">isInline</a></td><td></td></tr>
-<tr><td colspan="4" class="doc" id="isInline1"><pre>Matches function and namespace declarations that are marked with
+<tr><td colspan="4" class="doc" id="isInline1"><pre>Matches functions, variables and namespace declarations that are marked with
the inline keyword.
Given
namespace n {
inline namespace m {}
}
+ inline int Foo = 5;
functionDecl(isInline()) will match ::f().
namespaceDecl(isInline()) will match n::m.
+varDecl(isInline()) will match Foo;
</pre></td></tr>
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1NamespaceDecl.html">NamespaceDecl</a>></td><td class="name" onclick="toggle('isInline0')"><a name="isInline0Anchor">isInline</a></td><td></td></tr>
-<tr><td colspan="4" class="doc" id="isInline0"><pre>Matches function and namespace declarations that are marked with
+<tr><td colspan="4" class="doc" id="isInline0"><pre>Matches functions, variables and namespace declarations that are marked with
the inline keyword.
Given
namespace n {
inline namespace m {}
}
+ inline int Foo = 5;
functionDecl(isInline()) will match ::f().
namespaceDecl(isInline()) will match n::m.
+varDecl(isInline()) will match Foo;
</pre></td></tr>
</pre></td></tr>
+<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('isInline2')"><a name="isInline2Anchor">isInline</a></td><td></td></tr>
+<tr><td colspan="4" class="doc" id="isInline2"><pre>Matches functions, variables and namespace declarations that are marked with
+the inline keyword.
+
+Given
+ inline void f();
+ void g();
+ namespace n {
+ inline namespace m {}
+ }
+ inline int Foo = 5;
+functionDecl(isInline()) will match ::f().
+namespaceDecl(isInline()) will match n::m.
+varDecl(isInline()) will match Foo;
+</pre></td></tr>
+
+
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1VarDecl.html">VarDecl</a>></td><td class="name" onclick="toggle('isStaticLocal0')"><a name="isStaticLocal0Anchor">isStaticLocal</a></td><td></td></tr>
<tr><td colspan="4" class="doc" id="isStaticLocal0"><pre>Matches a static variable with local scope.
AST Matchers
------------
+- Expanded ``isInline`` narrowing matcher to support c++17 inline variables.
+
clang-format
------------
return InnerMatcher.matches(*ES.getExpr(), Finder, Builder);
}
-/// Matches function and namespace declarations that are marked with
+/// Matches functions, variables and namespace declarations that are marked with
/// the inline keyword.
///
/// Given
/// namespace n {
/// inline namespace m {}
/// }
+/// inline int Foo = 5;
/// \endcode
/// functionDecl(isInline()) will match ::f().
/// namespaceDecl(isInline()) will match n::m.
-AST_POLYMORPHIC_MATCHER(isInline,
- AST_POLYMORPHIC_SUPPORTED_TYPES(NamespaceDecl,
- FunctionDecl)) {
+/// varDecl(isInline()) will match Foo;
+AST_POLYMORPHIC_MATCHER(isInline, AST_POLYMORPHIC_SUPPORTED_TYPES(NamespaceDecl,
+ FunctionDecl,
+ VarDecl)) {
// This is required because the spelling of the function used to determine
// whether inline is specified or not differs between the polymorphic types.
if (const auto *FD = dyn_cast<FunctionDecl>(&Node))
return FD->isInlineSpecified();
- else if (const auto *NSD = dyn_cast<NamespaceDecl>(&Node))
+ if (const auto *NSD = dyn_cast<NamespaceDecl>(&Node))
return NSD->isInline();
+ if (const auto *VD = dyn_cast<VarDecl>(&Node))
+ return VD->isInline();
llvm_unreachable("Not a valid polymorphic type");
}
functionDecl(isInline(), hasName("f"))));
EXPECT_TRUE(matches("namespace n { inline namespace m {} }",
namespaceDecl(isInline(), hasName("m"))));
+ EXPECT_TRUE(matches("inline int Foo = 5;",
+ varDecl(isInline(), hasName("Foo")), {Lang_CXX17}));
}
// FIXME: Figure out how to specify paths so the following tests pass on