[lldb] add TemplateRange and NameQualifiersRange to DemangledNameInfo

lldb/docs/use/formatting.rst

@@ -89,6 +89,8 @@ A complete list of currently supported format string variables is listed below:
 +---------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
 | ``function.name-without-args``                    | The name of the current function without arguments and values (used to include a function name in-line in the ``disassembly-format``)                                                                                                                                                       |
 +---------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+| ``function.name-qualifiers``                      | Any qualifiers added after the name of a function and before its arguments or template arguments.                                                                                                                                                                                           |
++---------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
 | ``function.basename``                             | The basename of the current function depending on the frame's language. E.g., for C++ the basename for ``void ns::foo<float>::bar<int>(int) const`` is ``bar``.                                                                                                                             |
 +---------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
 | ``function.prefix``                               | Any prefix added to the demangled function name of the current function. This depends on the frame's language. E.g., for C++ the prefix will always be empty.                                                                                                                               |
@@ -332,6 +334,7 @@ The function names displayed in backtraces/``frame info``/``thread info`` are th
 - ``${function.prefix}``
 - ``${function.scope}``
 - ``${function.basename}``
+- ``${function.name-qualifiers}``
 - ``${function.template-arguments}``
 - ``${function.formatted-arguments}``
 - ``${function.qualifiers}``

lldb/include/lldb/Core/DemangledNameInfo.h

@@ -30,6 +30,16 @@ struct DemangledNameInfo {
   /// \endcode
   std::pair<size_t, size_t> BasenameRange;
 
+  /// A [start, end) pair for the function template arguments.
+  /// The basename is the name without scope qualifiers
+  /// and without template parameters. E.g.,
+  /// \code{.cpp}
+  ///    void foo::bar<int>::someFunc<float>(int) const &&
+  ///                                ^     ^
+  ///                              start  end
+  /// \endcode
+  std::pair<size_t, size_t> TemplateRange;
+
   /// A [start, end) pair for the function scope qualifiers.
   /// E.g., for
   /// \code{.cpp}
@@ -59,6 +69,11 @@ struct DemangledNameInfo {
   /// \endcode
   std::pair<size_t, size_t> QualifiersRange;
 
+  /// Indicates the [start, end) of the function's name qualifiers. This is a
+  /// catch-all range for anything in between the basename and the arguments,
+  /// that is not tracked by the rest of the pairs.
+  std::pair<size_t, size_t> NameQualifiersRange;
+
   /// Indicates the [start, end) of the function's prefix. This is a
   /// catch-all range for anything that is not tracked by the rest of
   /// the pairs.
@@ -75,6 +90,11 @@ struct DemangledNameInfo {
     return BasenameRange.second > BasenameRange.first;
   }
 
+  /// Returns \c true if this object holds a valid template range.
+  bool hasTemplate() const {
+    return TemplateRange.second >= TemplateRange.first;
+  }
+
   /// Returns \c true if this object holds a valid scope range.
   bool hasScope() const { return ScopeRange.second >= ScopeRange.first; }
 
@@ -88,6 +108,11 @@ struct DemangledNameInfo {
     return QualifiersRange.second >= QualifiersRange.first;
   }
 
+  /// Returns \c true if this object holds a valid name qualifiers range.
+  bool hasNameQualifiers() const {
+    return NameQualifiersRange.second >= NameQualifiersRange.first;
+  }
+
   /// Returns \c true if this object holds a valid prefix range.
   bool hasPrefix() const { return PrefixRange.second >= PrefixRange.first; }
 

lldb/include/lldb/Core/FormatEntity.h

@@ -91,6 +91,7 @@ struct Entry {
     FunctionPrefix,
     FunctionScope,
     FunctionBasename,
+    FunctionNameQualifiers,
     FunctionTemplateArguments,
     FunctionFormattedArguments,
     FunctionReturnLeft,

lldb/source/Core/FormatEntity.cpp

@@ -128,6 +128,7 @@ constexpr Definition g_function_child_entries[] = {
     Definition("prefix", EntryType::FunctionPrefix),
     Definition("scope", EntryType::FunctionScope),
     Definition("basename", EntryType::FunctionBasename),
+    Definition("name-qualifiers", EntryType::FunctionNameQualifiers),
     Definition("template-arguments", EntryType::FunctionTemplateArguments),
     Definition("formatted-arguments", EntryType::FunctionFormattedArguments),
     Definition("return-left", EntryType::FunctionReturnLeft),
@@ -390,6 +391,7 @@ const char *FormatEntity::Entry::TypeToCString(Type t) {
     ENUM_TO_CSTR(FunctionPrefix);
     ENUM_TO_CSTR(FunctionScope);
     ENUM_TO_CSTR(FunctionBasename);
+    ENUM_TO_CSTR(FunctionNameQualifiers);
     ENUM_TO_CSTR(FunctionTemplateArguments);
     ENUM_TO_CSTR(FunctionFormattedArguments);
     ENUM_TO_CSTR(FunctionReturnLeft);
@@ -1842,6 +1844,7 @@ bool FormatEntity::Format(const Entry &entry, Stream &s,
   case Entry::Type::FunctionPrefix:
   case Entry::Type::FunctionScope:
   case Entry::Type::FunctionBasename:
+  case Entry::Type::FunctionNameQualifiers:
   case Entry::Type::FunctionTemplateArguments:
   case Entry::Type::FunctionFormattedArguments:
   case Entry::Type::FunctionReturnRight: