forked from OSchip/llvm-project
Allow the language plugins a say in how the function name is rendered as part of frame formatting
llvm-svn: 253531
This commit is contained in:
Enrico Granata
parent
4029426b17
commit
d4129b47d0
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@ -32,7 +32,6 @@ class Language :
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public PluginInterface
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{
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public:
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class TypeScavenger
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{
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public:
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@ -67,6 +66,13 @@ public:
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const char *key,
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ResultSet &results) = 0;
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};
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enum class FunctionNameRepresentation
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{
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eName,
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eNameWithArgs,
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eNameWithNoArgs
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};
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~Language() override;
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@ -134,6 +140,11 @@ public:
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virtual bool
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IsUninitializedReference (ValueObject& valobj);
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virtual bool
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GetFunctionDisplayName (const SymbolContext *sc,
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FunctionNameRepresentation representation,
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Stream& s);
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// These are accessors for general information about the Languages lldb knows about:
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static lldb::LanguageType
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@ -1653,201 +1653,264 @@ FormatEntity::Format (const Entry &entry,
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case Entry::Type::FunctionName:
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{
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const char *name = NULL;
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Language *language_plugin = nullptr;
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bool language_plugin_handled = false;
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StreamString ss;
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if (sc->function)
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name = sc->function->GetName().AsCString (NULL);
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language_plugin = Language::FindPlugin(sc->function->GetLanguage());
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else if (sc->symbol)
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name = sc->symbol->GetName().AsCString (NULL);
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if (name)
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language_plugin = Language::FindPlugin(sc->symbol->GetLanguage());
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if (language_plugin)
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{
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s.PutCString(name);
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if (sc->block)
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language_plugin_handled = language_plugin->GetFunctionDisplayName(sc,
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Language::FunctionNameRepresentation::eName,
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ss);
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}
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if (language_plugin_handled)
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{
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s.PutCString(ss.GetData());
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return true;
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}
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else
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{
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const char *name = NULL;
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if (sc->function)
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name = sc->function->GetName().AsCString (NULL);
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else if (sc->symbol)
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name = sc->symbol->GetName().AsCString (NULL);
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if (name)
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{
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Block *inline_block = sc->block->GetContainingInlinedBlock ();
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if (inline_block)
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s.PutCString(name);
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if (sc->block)
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{
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const InlineFunctionInfo *inline_info = sc->block->GetInlinedFunctionInfo();
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if (inline_info)
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Block *inline_block = sc->block->GetContainingInlinedBlock ();
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if (inline_block)
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{
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s.PutCString(" [inlined] ");
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inline_info->GetName(sc->function->GetLanguage()).Dump(&s);
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const InlineFunctionInfo *inline_info = sc->block->GetInlinedFunctionInfo();
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if (inline_info)
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{
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s.PutCString(" [inlined] ");
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inline_info->GetName(sc->function->GetLanguage()).Dump(&s);
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}
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}
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}
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return true;
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}
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return true;
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}
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}
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return false;
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case Entry::Type::FunctionNameNoArgs:
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{
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ConstString name;
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Language *language_plugin = nullptr;
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bool language_plugin_handled = false;
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StreamString ss;
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if (sc->function)
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name = sc->function->GetNameNoArguments();
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language_plugin = Language::FindPlugin(sc->function->GetLanguage());
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else if (sc->symbol)
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name = sc->symbol->GetNameNoArguments();
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if (name)
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language_plugin = Language::FindPlugin(sc->symbol->GetLanguage());
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if (language_plugin)
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{
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s.PutCString(name.GetCString());
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language_plugin_handled = language_plugin->GetFunctionDisplayName(sc,
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Language::FunctionNameRepresentation::eNameWithNoArgs,
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ss);
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}
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if (language_plugin_handled)
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{
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s.PutCString(ss.GetData());
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return true;
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}
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else
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{
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ConstString name;
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if (sc->function)
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name = sc->function->GetNameNoArguments();
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else if (sc->symbol)
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name = sc->symbol->GetNameNoArguments();
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if (name)
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{
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s.PutCString(name.GetCString());
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return true;
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}
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}
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}
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return false;
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case Entry::Type::FunctionNameWithArgs:
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{
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// Print the function name with arguments in it
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Language *language_plugin = nullptr;
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bool language_plugin_handled = false;
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StreamString ss;
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if (sc->function)
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language_plugin = Language::FindPlugin(sc->function->GetLanguage());
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else if (sc->symbol)
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language_plugin = Language::FindPlugin(sc->symbol->GetLanguage());
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if (language_plugin)
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{
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ExecutionContextScope *exe_scope = exe_ctx ? exe_ctx->GetBestExecutionContextScope() : NULL;
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const char *cstr = sc->function->GetName().AsCString (NULL);
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if (cstr)
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language_plugin_handled = language_plugin->GetFunctionDisplayName(sc,
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Language::FunctionNameRepresentation::eNameWithArgs,
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ss);
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}
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if (language_plugin_handled)
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{
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s.PutCString(ss.GetData());
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return true;
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}
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else
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{
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// Print the function name with arguments in it
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if (sc->function)
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{
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const InlineFunctionInfo *inline_info = NULL;
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VariableListSP variable_list_sp;
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bool get_function_vars = true;
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if (sc->block)
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ExecutionContextScope *exe_scope = exe_ctx ? exe_ctx->GetBestExecutionContextScope() : NULL;
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const char *cstr = sc->function->GetName().AsCString (NULL);
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if (cstr)
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{
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Block *inline_block = sc->block->GetContainingInlinedBlock ();
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if (inline_block)
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const InlineFunctionInfo *inline_info = NULL;
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VariableListSP variable_list_sp;
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bool get_function_vars = true;
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if (sc->block)
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{
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get_function_vars = false;
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inline_info = sc->block->GetInlinedFunctionInfo();
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if (inline_info)
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variable_list_sp = inline_block->GetBlockVariableList (true);
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}
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}
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if (get_function_vars)
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{
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variable_list_sp = sc->function->GetBlock(true).GetBlockVariableList (true);
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}
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if (inline_info)
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{
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s.PutCString (cstr);
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s.PutCString (" [inlined] ");
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cstr = inline_info->GetName(sc->function->GetLanguage()).GetCString();
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}
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VariableList args;
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if (variable_list_sp)
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variable_list_sp->AppendVariablesWithScope(eValueTypeVariableArgument, args);
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if (args.GetSize() > 0)
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{
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const char *open_paren = strchr (cstr, '(');
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const char *close_paren = nullptr;
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const char *generic = strchr(cstr, '<');
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// if before the arguments list begins there is a template sign
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// then scan to the end of the generic args before you try to find
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// the arguments list
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if (generic && open_paren && generic < open_paren)
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{
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int generic_depth = 1;
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++generic;
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for (;
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*generic && generic_depth > 0;
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generic++)
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Block *inline_block = sc->block->GetContainingInlinedBlock ();
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if (inline_block)
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{
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if (*generic == '<')
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generic_depth++;
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if (*generic == '>')
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generic_depth--;
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get_function_vars = false;
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inline_info = sc->block->GetInlinedFunctionInfo();
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if (inline_info)
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variable_list_sp = inline_block->GetBlockVariableList (true);
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}
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if (*generic)
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open_paren = strchr(generic, '(');
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else
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open_paren = nullptr;
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}
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if (open_paren)
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if (get_function_vars)
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{
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if (IsToken (open_paren, "(anonymous namespace)"))
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{
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open_paren = strchr (open_paren + strlen("(anonymous namespace)"), '(');
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if (open_paren)
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close_paren = strchr (open_paren, ')');
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}
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else
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close_paren = strchr (open_paren, ')');
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variable_list_sp = sc->function->GetBlock(true).GetBlockVariableList (true);
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}
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if (open_paren)
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s.Write(cstr, open_paren - cstr + 1);
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else
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if (inline_info)
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{
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s.PutCString (cstr);
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s.PutChar ('(');
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s.PutCString (" [inlined] ");
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cstr = inline_info->GetName(sc->function->GetLanguage()).GetCString();
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}
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const size_t num_args = args.GetSize();
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for (size_t arg_idx = 0; arg_idx < num_args; ++arg_idx)
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VariableList args;
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if (variable_list_sp)
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variable_list_sp->AppendVariablesWithScope(eValueTypeVariableArgument, args);
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if (args.GetSize() > 0)
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{
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std::string buffer;
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VariableSP var_sp (args.GetVariableAtIndex (arg_idx));
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ValueObjectSP var_value_sp (ValueObjectVariable::Create (exe_scope, var_sp));
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StreamString ss;
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const char *var_representation = nullptr;
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const char *var_name = var_value_sp->GetName().GetCString();
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if (var_value_sp->GetCompilerType().IsValid())
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const char *open_paren = strchr (cstr, '(');
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const char *close_paren = nullptr;
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const char *generic = strchr(cstr, '<');
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// if before the arguments list begins there is a template sign
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// then scan to the end of the generic args before you try to find
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// the arguments list
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if (generic && open_paren && generic < open_paren)
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{
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if (var_value_sp && exe_scope->CalculateTarget())
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var_value_sp = var_value_sp->GetQualifiedRepresentationIfAvailable(exe_scope->CalculateTarget()->TargetProperties::GetPreferDynamicValue(),
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exe_scope->CalculateTarget()->TargetProperties::GetEnableSyntheticValue());
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if (var_value_sp->GetCompilerType().IsAggregateType() &&
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DataVisualization::ShouldPrintAsOneLiner(*var_value_sp.get()))
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int generic_depth = 1;
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++generic;
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for (;
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*generic && generic_depth > 0;
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generic++)
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{
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static StringSummaryFormat format(TypeSummaryImpl::Flags()
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.SetHideItemNames(false)
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.SetShowMembersOneLiner(true),
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"");
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format.FormatObject(var_value_sp.get(), buffer, TypeSummaryOptions());
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var_representation = buffer.c_str();
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if (*generic == '<')
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generic_depth++;
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if (*generic == '>')
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generic_depth--;
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}
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if (*generic)
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open_paren = strchr(generic, '(');
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else
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open_paren = nullptr;
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}
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if (open_paren)
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{
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if (IsToken (open_paren, "(anonymous namespace)"))
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{
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open_paren = strchr (open_paren + strlen("(anonymous namespace)"), '(');
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if (open_paren)
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close_paren = strchr (open_paren, ')');
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}
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else
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var_value_sp->DumpPrintableRepresentation(ss,
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ValueObject::ValueObjectRepresentationStyle::eValueObjectRepresentationStyleSummary,
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eFormatDefault,
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ValueObject::PrintableRepresentationSpecialCases::ePrintableRepresentationSpecialCasesAllow,
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false);
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close_paren = strchr (open_paren, ')');
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}
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if (ss.GetData() && ss.GetSize())
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var_representation = ss.GetData();
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if (arg_idx > 0)
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s.PutCString (", ");
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if (var_value_sp->GetError().Success())
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{
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if (var_representation)
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s.Printf ("%s=%s", var_name, var_representation);
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else
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s.Printf ("%s=%s at %s", var_name, var_value_sp->GetTypeName().GetCString(), var_value_sp->GetLocationAsCString());
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}
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if (open_paren)
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s.Write(cstr, open_paren - cstr + 1);
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else
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s.Printf ("%s=<unavailable>", var_name);
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{
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s.PutCString (cstr);
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s.PutChar ('(');
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}
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const size_t num_args = args.GetSize();
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for (size_t arg_idx = 0; arg_idx < num_args; ++arg_idx)
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{
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std::string buffer;
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VariableSP var_sp (args.GetVariableAtIndex (arg_idx));
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ValueObjectSP var_value_sp (ValueObjectVariable::Create (exe_scope, var_sp));
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StreamString ss;
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const char *var_representation = nullptr;
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const char *var_name = var_value_sp->GetName().GetCString();
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if (var_value_sp->GetCompilerType().IsValid())
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{
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if (var_value_sp && exe_scope->CalculateTarget())
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var_value_sp = var_value_sp->GetQualifiedRepresentationIfAvailable(exe_scope->CalculateTarget()->TargetProperties::GetPreferDynamicValue(),
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exe_scope->CalculateTarget()->TargetProperties::GetEnableSyntheticValue());
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if (var_value_sp->GetCompilerType().IsAggregateType() &&
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DataVisualization::ShouldPrintAsOneLiner(*var_value_sp.get()))
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{
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static StringSummaryFormat format(TypeSummaryImpl::Flags()
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.SetHideItemNames(false)
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.SetShowMembersOneLiner(true),
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"");
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format.FormatObject(var_value_sp.get(), buffer, TypeSummaryOptions());
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var_representation = buffer.c_str();
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}
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else
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var_value_sp->DumpPrintableRepresentation(ss,
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ValueObject::ValueObjectRepresentationStyle::eValueObjectRepresentationStyleSummary,
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eFormatDefault,
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ValueObject::PrintableRepresentationSpecialCases::ePrintableRepresentationSpecialCasesAllow,
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false);
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}
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if (ss.GetData() && ss.GetSize())
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var_representation = ss.GetData();
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if (arg_idx > 0)
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s.PutCString (", ");
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if (var_value_sp->GetError().Success())
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{
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if (var_representation)
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s.Printf ("%s=%s", var_name, var_representation);
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else
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s.Printf ("%s=%s at %s", var_name, var_value_sp->GetTypeName().GetCString(), var_value_sp->GetLocationAsCString());
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}
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else
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s.Printf ("%s=<unavailable>", var_name);
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}
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if (close_paren)
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s.PutCString (close_paren);
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else
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s.PutChar(')');
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}
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if (close_paren)
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s.PutCString (close_paren);
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else
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s.PutChar(')');
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{
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s.PutCString(cstr);
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}
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return true;
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}
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else
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}
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else if (sc->symbol)
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{
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const char *cstr = sc->symbol->GetName().AsCString (NULL);
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if (cstr)
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{
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s.PutCString(cstr);
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return true;
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}
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return true;
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}
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}
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else if (sc->symbol)
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{
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const char *cstr = sc->symbol->GetName().AsCString (NULL);
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if (cstr)
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{
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s.PutCString(cstr);
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return true;
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}
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}
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}
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@ -370,6 +370,14 @@ Language::IsUninitializedReference (ValueObject& valobj)
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return false;
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}
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bool
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Language::GetFunctionDisplayName (const SymbolContext *sc,
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FunctionNameRepresentation representation,
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Stream& s)
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{
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return false;
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}
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//----------------------------------------------------------------------
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// Constructor
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//----------------------------------------------------------------------
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