Author: enrico
Date: Thu Mar 24 18:06:42 2016
New Revision: 264356
URL: http://llvm.org/viewvc/llvm-project?rev=264356&view=rev
Log:
Make it possible for language plugins to provide additional custom help for
'type lookup'
Modified:
lldb/trunk/include/lldb/Target/Language.h
lldb/trunk/source/Commands/CommandObjectType.cpp
lldb/trunk/source/Target/Language.cpp
Modified: lldb/trunk/include/lldb/Target/Language.h
URL:
http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Target/Language.h?rev=264356&r1=264355&r2=264356&view=diff
==============================================================================
--- lldb/trunk/include/lldb/Target/Language.h (original)
+++ lldb/trunk/include/lldb/Target/Language.h Thu Mar 24 18:06:42 2016
@@ -113,6 +113,9 @@ public:
virtual std::unique_ptr<TypeScavenger>
GetTypeScavenger ();
+ virtual const char*
+ GetLanguageSpecificTypeLookupHelp ();
+
// if an individual data formatter can apply to several types and cross a
language boundary
// it makes sense for individual languages to want to customize the
printing of values of that
// type by appending proper prefix/suffix information in language-specific
ways
Modified: lldb/trunk/source/Commands/CommandObjectType.cpp
URL:
http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Commands/CommandObjectType.cpp?rev=264356&r1=264355&r2=264356&view=diff
==============================================================================
--- lldb/trunk/source/Commands/CommandObjectType.cpp (original)
+++ lldb/trunk/source/Commands/CommandObjectType.cpp Thu Mar 24 18:06:42 2016
@@ -3265,8 +3265,8 @@ public:
CommandObjectTypeLookup (CommandInterpreter &interpreter) :
CommandObjectRaw (interpreter,
"type lookup",
- "Lookup a type by name in the select target.",
- "type lookup <typename>",
+ "Lookup types and declarations in the current target,
following language-specific naming conventions.",
+ "type lookup <type-specifier>",
eCommandRequiresTarget),
m_option_group(interpreter),
m_command_options()
@@ -3283,6 +3283,32 @@ public:
return &m_option_group;
}
+ const char*
+ GetHelpLong () override
+ {
+ if (m_cmd_help_long.empty())
+ {
+ StreamString stream;
+ // FIXME: hardcoding languages is not good
+ lldb::LanguageType languages[] =
{eLanguageTypeObjC,eLanguageTypeC_plus_plus};
+
+ for(const auto lang_type : languages)
+ {
+ if (auto language = Language::FindPlugin(lang_type))
+ {
+ if (const char* help =
language->GetLanguageSpecificTypeLookupHelp())
+ {
+ stream.Printf("%s\n", help);
+ }
+ }
+ }
+
+ if (stream.GetData())
+ m_cmd_help_long.assign(stream.GetString());
+ }
+ return this->CommandObject::GetHelpLong();
+ }
+
bool
DoExecute (const char *raw_command_line, CommandReturnObject &result)
override
{
Modified: lldb/trunk/source/Target/Language.cpp
URL:
http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Target/Language.cpp?rev=264356&r1=264355&r2=264356&view=diff
==============================================================================
--- lldb/trunk/source/Target/Language.cpp (original)
+++ lldb/trunk/source/Target/Language.cpp Thu Mar 24 18:06:42 2016
@@ -368,6 +368,12 @@ Language::GetTypeScavenger ()
return nullptr;
}
+const char*
+Language::GetLanguageSpecificTypeLookupHelp ()
+{
+ return nullptr;
+}
+
size_t
Language::TypeScavenger::Find (ExecutionContextScope *exe_scope,
const char *key,
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