Move more functionality from the LanguageRuntimes to the Languages.
llvm-svn: 246616
diff --git a/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp b/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
index b44ba55..a69e3dc 100644
--- a/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
+++ b/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
@@ -9,8 +9,14 @@
#include "CPlusPlusLanguage.h"
+#include <string.h>
+
+#include "llvm/ADT/StringRef.h"
+
#include "lldb/Core/ConstString.h"
#include "lldb/Core/PluginManager.h"
+#include "lldb/Core/RegularExpression.h"
+#include "lldb/Core/UniqueCStringMap.h"
using namespace lldb;
using namespace lldb_private;
@@ -62,3 +68,373 @@
return new CPlusPlusLanguage();
return nullptr;
}
+
+void
+CPlusPlusLanguage::MethodName::Clear()
+{
+ m_full.Clear();
+ m_basename = llvm::StringRef();
+ m_context = llvm::StringRef();
+ m_arguments = llvm::StringRef();
+ m_qualifiers = llvm::StringRef();
+ m_type = eTypeInvalid;
+ m_parsed = false;
+ m_parse_error = false;
+}
+
+bool
+ReverseFindMatchingChars (const llvm::StringRef &s,
+ const llvm::StringRef &left_right_chars,
+ size_t &left_pos,
+ size_t &right_pos,
+ size_t pos = llvm::StringRef::npos)
+{
+ assert (left_right_chars.size() == 2);
+ left_pos = llvm::StringRef::npos;
+ const char left_char = left_right_chars[0];
+ const char right_char = left_right_chars[1];
+ pos = s.find_last_of(left_right_chars, pos);
+ if (pos == llvm::StringRef::npos || s[pos] == left_char)
+ return false;
+ right_pos = pos;
+ uint32_t depth = 1;
+ while (pos > 0 && depth > 0)
+ {
+ pos = s.find_last_of(left_right_chars, pos);
+ if (pos == llvm::StringRef::npos)
+ return false;
+ if (s[pos] == left_char)
+ {
+ if (--depth == 0)
+ {
+ left_pos = pos;
+ return left_pos < right_pos;
+ }
+ }
+ else if (s[pos] == right_char)
+ {
+ ++depth;
+ }
+ }
+ return false;
+}
+
+
+void
+CPlusPlusLanguage::MethodName::Parse()
+{
+ if (!m_parsed && m_full)
+ {
+// ConstString mangled;
+// m_full.GetMangledCounterpart(mangled);
+// printf ("\n parsing = '%s'\n", m_full.GetCString());
+// if (mangled)
+// printf (" mangled = '%s'\n", mangled.GetCString());
+ m_parse_error = false;
+ m_parsed = true;
+ llvm::StringRef full (m_full.GetCString());
+
+ size_t arg_start, arg_end;
+ llvm::StringRef parens("()", 2);
+ if (ReverseFindMatchingChars (full, parens, arg_start, arg_end))
+ {
+ m_arguments = full.substr(arg_start, arg_end - arg_start + 1);
+ if (arg_end + 1 < full.size())
+ m_qualifiers = full.substr(arg_end + 1);
+ if (arg_start > 0)
+ {
+ size_t basename_end = arg_start;
+ size_t context_start = 0;
+ size_t context_end = llvm::StringRef::npos;
+ if (basename_end > 0 && full[basename_end-1] == '>')
+ {
+ // TODO: handle template junk...
+ // Templated function
+ size_t template_start, template_end;
+ llvm::StringRef lt_gt("<>", 2);
+ if (ReverseFindMatchingChars (full, lt_gt, template_start, template_end, basename_end))
+ {
+ // Check for templated functions that include return type like: 'void foo<Int>()'
+ context_start = full.rfind(' ', template_start);
+ if (context_start == llvm::StringRef::npos)
+ context_start = 0;
+
+ context_end = full.rfind(':', template_start);
+ if (context_end == llvm::StringRef::npos || context_end < context_start)
+ context_end = context_start;
+ }
+ else
+ {
+ context_end = full.rfind(':', basename_end);
+ }
+ }
+ else if (context_end == llvm::StringRef::npos)
+ {
+ context_end = full.rfind(':', basename_end);
+ }
+
+ if (context_end == llvm::StringRef::npos)
+ m_basename = full.substr(0, basename_end);
+ else
+ {
+ if (context_start < context_end)
+ m_context = full.substr(context_start, context_end - 1);
+ const size_t basename_begin = context_end + 1;
+ m_basename = full.substr(basename_begin, basename_end - basename_begin);
+ }
+ m_type = eTypeUnknownMethod;
+ }
+ else
+ {
+ m_parse_error = true;
+ return;
+ }
+
+// if (!m_context.empty())
+// printf (" context = '%s'\n", m_context.str().c_str());
+// if (m_basename)
+// printf (" basename = '%s'\n", m_basename.GetCString());
+// if (!m_arguments.empty())
+// printf (" arguments = '%s'\n", m_arguments.str().c_str());
+// if (!m_qualifiers.empty())
+// printf ("qualifiers = '%s'\n", m_qualifiers.str().c_str());
+
+ // Make sure we have a valid C++ basename with optional template args
+ static RegularExpression g_identifier_regex("^~?([A-Za-z_][A-Za-z_0-9]*)(<.*>)?$");
+ std::string basename_str(m_basename.str());
+ bool basename_is_valid = g_identifier_regex.Execute (basename_str.c_str(), NULL);
+ if (!basename_is_valid)
+ {
+ // Check for C++ operators
+ if (m_basename.startswith("operator"))
+ {
+ static RegularExpression g_operator_regex("^(operator)( ?)([A-Za-z_][A-Za-z_0-9]*|\\(\\)|\\[\\]|[\\^<>=!\\/*+-]+)(<.*>)?(\\[\\])?$");
+ basename_is_valid = g_operator_regex.Execute(basename_str.c_str(), NULL);
+ }
+ }
+ if (!basename_is_valid)
+ {
+ // The C++ basename doesn't match our regular expressions so this can't
+ // be a valid C++ method, clear everything out and indicate an error
+ m_context = llvm::StringRef();
+ m_basename = llvm::StringRef();
+ m_arguments = llvm::StringRef();
+ m_qualifiers = llvm::StringRef();
+ m_parse_error = true;
+ }
+ }
+ else
+ {
+ m_parse_error = true;
+// printf ("error: didn't find matching parens for arguments\n");
+ }
+ }
+}
+
+llvm::StringRef
+CPlusPlusLanguage::MethodName::GetBasename ()
+{
+ if (!m_parsed)
+ Parse();
+ return m_basename;
+}
+
+llvm::StringRef
+CPlusPlusLanguage::MethodName::GetContext ()
+{
+ if (!m_parsed)
+ Parse();
+ return m_context;
+}
+
+llvm::StringRef
+CPlusPlusLanguage::MethodName::GetArguments ()
+{
+ if (!m_parsed)
+ Parse();
+ return m_arguments;
+}
+
+llvm::StringRef
+CPlusPlusLanguage::MethodName::GetQualifiers ()
+{
+ if (!m_parsed)
+ Parse();
+ return m_qualifiers;
+}
+
+bool
+CPlusPlusLanguage::IsCPPMangledName (const char *name)
+{
+ // FIXME, we should really run through all the known C++ Language plugins and ask each one if
+ // this is a C++ mangled name, but we can put that off till there is actually more than one
+ // we care about.
+
+ if (name && name[0] == '_' && name[1] == 'Z')
+ return true;
+ else
+ return false;
+}
+
+bool
+CPlusPlusLanguage::ExtractContextAndIdentifier (const char *name, llvm::StringRef &context, llvm::StringRef &identifier)
+{
+ static RegularExpression g_basename_regex("^(([A-Za-z_][A-Za-z_0-9]*::)*)([A-Za-z_][A-Za-z_0-9]*)$");
+ RegularExpression::Match match(4);
+ if (g_basename_regex.Execute (name, &match))
+ {
+ match.GetMatchAtIndex(name, 1, context);
+ match.GetMatchAtIndex(name, 3, identifier);
+ return true;
+ }
+ return false;
+}
+
+class CPPRuntimeEquivalents
+{
+public:
+ CPPRuntimeEquivalents ()
+ {
+
+ m_impl.Append(ConstString("std::basic_string<char, std::char_traits<char>, std::allocator<char> >").AsCString(), ConstString("basic_string<char>"));
+
+ // these two (with a prefixed std::) occur when c++stdlib string class occurs as a template argument in some STL container
+ m_impl.Append(ConstString("std::basic_string<char, std::char_traits<char>, std::allocator<char> >").AsCString(), ConstString("std::basic_string<char>"));
+
+ m_impl.Sort();
+ }
+
+ void
+ Add (ConstString& type_name,
+ ConstString& type_equivalent)
+ {
+ m_impl.Insert(type_name.AsCString(), type_equivalent);
+ }
+
+ uint32_t
+ FindExactMatches (ConstString& type_name,
+ std::vector<ConstString>& equivalents)
+ {
+
+ uint32_t count = 0;
+
+ for (ImplData match = m_impl.FindFirstValueForName(type_name.AsCString());
+ match != NULL;
+ match = m_impl.FindNextValueForName(match))
+ {
+ equivalents.push_back(match->value);
+ count++;
+ }
+
+ return count;
+ }
+
+ // partial matches can occur when a name with equivalents is a template argument.
+ // e.g. we may have "class Foo" be a match for "struct Bar". if we have a typename
+ // such as "class Templatized<class Foo, Anything>" we want this to be replaced with
+ // "class Templatized<struct Bar, Anything>". Since partial matching is time consuming
+ // once we get a partial match, we add it to the exact matches list for faster retrieval
+ uint32_t
+ FindPartialMatches (ConstString& type_name,
+ std::vector<ConstString>& equivalents)
+ {
+
+ uint32_t count = 0;
+
+ const char* type_name_cstr = type_name.AsCString();
+
+ size_t items_count = m_impl.GetSize();
+
+ for (size_t item = 0; item < items_count; item++)
+ {
+ const char* key_cstr = m_impl.GetCStringAtIndex(item);
+ if ( strstr(type_name_cstr,key_cstr) )
+ {
+ count += AppendReplacements(type_name_cstr,
+ key_cstr,
+ equivalents);
+ }
+ }
+
+ return count;
+
+ }
+
+private:
+
+ std::string& replace (std::string& target,
+ std::string& pattern,
+ std::string& with)
+ {
+ size_t pos;
+ size_t pattern_len = pattern.size();
+
+ while ( (pos = target.find(pattern)) != std::string::npos )
+ target.replace(pos, pattern_len, with);
+
+ return target;
+ }
+
+ uint32_t
+ AppendReplacements (const char* original,
+ const char *matching_key,
+ std::vector<ConstString>& equivalents)
+ {
+
+ std::string matching_key_str(matching_key);
+ ConstString original_const(original);
+
+ uint32_t count = 0;
+
+ for (ImplData match = m_impl.FindFirstValueForName(matching_key);
+ match != NULL;
+ match = m_impl.FindNextValueForName(match))
+ {
+ std::string target(original);
+ std::string equiv_class(match->value.AsCString());
+
+ replace (target, matching_key_str, equiv_class);
+
+ ConstString target_const(target.c_str());
+
+// you will most probably want to leave this off since it might make this map grow indefinitely
+#ifdef ENABLE_CPP_EQUIVALENTS_MAP_TO_GROW
+ Add(original_const, target_const);
+#endif
+ equivalents.push_back(target_const);
+
+ count++;
+ }
+
+ return count;
+ }
+
+ typedef UniqueCStringMap<ConstString> Impl;
+ typedef const Impl::Entry* ImplData;
+ Impl m_impl;
+};
+
+static CPPRuntimeEquivalents&
+GetEquivalentsMap ()
+{
+ static CPPRuntimeEquivalents g_equivalents_map;
+ return g_equivalents_map;
+}
+
+
+uint32_t
+CPlusPlusLanguage::FindEquivalentNames(ConstString type_name, std::vector<ConstString>& equivalents)
+{
+ uint32_t count = GetEquivalentsMap().FindExactMatches(type_name, equivalents);
+
+ bool might_have_partials=
+ ( count == 0 ) // if we have a full name match just use it
+ && (strchr(type_name.AsCString(), '<') != NULL // we should only have partial matches when templates are involved, check that we have
+ && strchr(type_name.AsCString(), '>') != NULL); // angle brackets in the type_name before trying to scan for partial matches
+
+ if ( might_have_partials )
+ count = GetEquivalentsMap().FindPartialMatches(type_name, equivalents);
+
+ return count;
+}
+
diff --git a/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.h b/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.h
index 62a92a6..2ede8d8 100644
--- a/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.h
+++ b/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.h
@@ -12,9 +12,14 @@
// C Includes
// C++ Includes
+#include <vector>
+
// Other libraries and framework includes
+#include "llvm/ADT/StringRef.h"
+
// Project includes
#include "lldb/lldb-private.h"
+#include "lldb/Core/ConstString.h"
#include "lldb/Target/Language.h"
namespace lldb_private {
@@ -23,6 +28,94 @@
public Language
{
public:
+ class MethodName
+ {
+ public:
+ enum Type
+ {
+ eTypeInvalid,
+ eTypeUnknownMethod,
+ eTypeClassMethod,
+ eTypeInstanceMethod
+ };
+
+ MethodName () :
+ m_full(),
+ m_basename(),
+ m_context(),
+ m_arguments(),
+ m_qualifiers(),
+ m_type (eTypeInvalid),
+ m_parsed (false),
+ m_parse_error (false)
+ {
+ }
+
+ MethodName (const ConstString &s) :
+ m_full(s),
+ m_basename(),
+ m_context(),
+ m_arguments(),
+ m_qualifiers(),
+ m_type (eTypeInvalid),
+ m_parsed (false),
+ m_parse_error (false)
+ {
+ }
+
+ void
+ Clear();
+
+ bool
+ IsValid ()
+ {
+ if (!m_parsed)
+ Parse();
+ if (m_parse_error)
+ return false;
+ if (m_type == eTypeInvalid)
+ return false;
+ return (bool)m_full;
+ }
+
+ Type
+ GetType () const
+ {
+ return m_type;
+ }
+
+ const ConstString &
+ GetFullName () const
+ {
+ return m_full;
+ }
+
+ llvm::StringRef
+ GetBasename ();
+
+ llvm::StringRef
+ GetContext ();
+
+ llvm::StringRef
+ GetArguments ();
+
+ llvm::StringRef
+ GetQualifiers ();
+
+ protected:
+ void
+ Parse();
+
+ ConstString m_full; // Full name: "lldb::SBTarget::GetBreakpointAtIndex(unsigned int) const"
+ llvm::StringRef m_basename; // Basename: "GetBreakpointAtIndex"
+ llvm::StringRef m_context; // Decl context: "lldb::SBTarget"
+ llvm::StringRef m_arguments; // Arguments: "(unsigned int)"
+ llvm::StringRef m_qualifiers; // Qualifiers: "const"
+ Type m_type;
+ bool m_parsed;
+ bool m_parse_error;
+ };
+
virtual ~CPlusPlusLanguage() = default;
CPlusPlusLanguage () = default;
@@ -47,6 +140,28 @@
static lldb_private::ConstString
GetPluginNameStatic();
+
+ static bool
+ IsCPPMangledName(const char *name);
+
+ // Extract C++ context and identifier from a string using heuristic matching (as opposed to
+ // CPlusPlusLanguage::MethodName which has to have a fully qualified C++ name with parens and arguments.
+ // If the name is a lone C identifier (e.g. C) or a qualified C identifier (e.g. A::B::C) it will return true,
+ // and identifier will be the identifier (C and C respectively) and the context will be "" and "A::B::" respectively.
+ // If the name fails the heuristic matching for a qualified or unqualified C/C++ identifier, then it will return false
+ // and identifier and context will be unchanged.
+
+ static bool
+ ExtractContextAndIdentifier (const char *name, llvm::StringRef &context, llvm::StringRef &identifier);
+
+ // in some cases, compilers will output different names for one same type. when that happens, it might be impossible
+ // to construct SBType objects for a valid type, because the name that is available is not the same as the name that
+ // can be used as a search key in FindTypes(). the equivalents map here is meant to return possible alternative names
+ // for a type through which a search can be conducted. Currently, this is only enabled for C++ but can be extended
+ // to ObjC or other languages if necessary
+ static uint32_t
+ FindEquivalentNames(ConstString type_name, std::vector<ConstString>& equivalents);
+
//------------------------------------------------------------------
// PluginInterface protocol
diff --git a/lldb/source/Plugins/Language/ObjC/ObjCLanguage.cpp b/lldb/source/Plugins/Language/ObjC/ObjCLanguage.cpp
index 8f21c46..3f37050 100644
--- a/lldb/source/Plugins/Language/ObjC/ObjCLanguage.cpp
+++ b/lldb/source/Plugins/Language/ObjC/ObjCLanguage.cpp
@@ -11,6 +11,7 @@
#include "lldb/Core/ConstString.h"
#include "lldb/Core/PluginManager.h"
+#include "lldb/Core/StreamString.h"
using namespace lldb;
using namespace lldb_private;
@@ -66,3 +67,234 @@
return nullptr;
}
}
+
+void
+ObjCLanguage::MethodName::Clear()
+{
+ m_full.Clear();
+ m_class.Clear();
+ m_category.Clear();
+ m_selector.Clear();
+ m_type = eTypeUnspecified;
+ m_category_is_valid = false;
+}
+
+bool
+ObjCLanguage::MethodName::SetName (const char *name, bool strict)
+{
+ Clear();
+ if (name && name[0])
+ {
+ // If "strict" is true. then the method must be specified with a
+ // '+' or '-' at the beginning. If "strict" is false, then the '+'
+ // or '-' can be omitted
+ bool valid_prefix = false;
+
+ if (name[0] == '+' || name[0] == '-')
+ {
+ valid_prefix = name[1] == '[';
+ if (name[0] == '+')
+ m_type = eTypeClassMethod;
+ else
+ m_type = eTypeInstanceMethod;
+ }
+ else if (!strict)
+ {
+ // "strict" is false, the name just needs to start with '['
+ valid_prefix = name[0] == '[';
+ }
+
+ if (valid_prefix)
+ {
+ int name_len = strlen (name);
+ // Objective C methods must have at least:
+ // "-[" or "+[" prefix
+ // One character for a class name
+ // One character for the space between the class name
+ // One character for the method name
+ // "]" suffix
+ if (name_len >= (5 + (strict ? 1 : 0)) && name[name_len - 1] == ']')
+ {
+ m_full.SetCStringWithLength(name, name_len);
+ }
+ }
+ }
+ return IsValid(strict);
+}
+
+const ConstString &
+ObjCLanguage::MethodName::GetClassName ()
+{
+ if (!m_class)
+ {
+ if (IsValid(false))
+ {
+ const char *full = m_full.GetCString();
+ const char *class_start = (full[0] == '[' ? full + 1 : full + 2);
+ const char *paren_pos = strchr (class_start, '(');
+ if (paren_pos)
+ {
+ m_class.SetCStringWithLength (class_start, paren_pos - class_start);
+ }
+ else
+ {
+ // No '(' was found in the full name, we can definitively say
+ // that our category was valid (and empty).
+ m_category_is_valid = true;
+ const char *space_pos = strchr (full, ' ');
+ if (space_pos)
+ {
+ m_class.SetCStringWithLength (class_start, space_pos - class_start);
+ if (!m_class_category)
+ {
+ // No category in name, so we can also fill in the m_class_category
+ m_class_category = m_class;
+ }
+ }
+ }
+ }
+ }
+ return m_class;
+}
+
+const ConstString &
+ObjCLanguage::MethodName::GetClassNameWithCategory ()
+{
+ if (!m_class_category)
+ {
+ if (IsValid(false))
+ {
+ const char *full = m_full.GetCString();
+ const char *class_start = (full[0] == '[' ? full + 1 : full + 2);
+ const char *space_pos = strchr (full, ' ');
+ if (space_pos)
+ {
+ m_class_category.SetCStringWithLength (class_start, space_pos - class_start);
+ // If m_class hasn't been filled in and the class with category doesn't
+ // contain a '(', then we can also fill in the m_class
+ if (!m_class && strchr (m_class_category.GetCString(), '(') == NULL)
+ {
+ m_class = m_class_category;
+ // No '(' was found in the full name, we can definitively say
+ // that our category was valid (and empty).
+ m_category_is_valid = true;
+
+ }
+ }
+ }
+ }
+ return m_class_category;
+}
+
+const ConstString &
+ObjCLanguage::MethodName::GetSelector ()
+{
+ if (!m_selector)
+ {
+ if (IsValid(false))
+ {
+ const char *full = m_full.GetCString();
+ const char *space_pos = strchr (full, ' ');
+ if (space_pos)
+ {
+ ++space_pos; // skip the space
+ m_selector.SetCStringWithLength (space_pos, m_full.GetLength() - (space_pos - full) - 1);
+ }
+ }
+ }
+ return m_selector;
+}
+
+const ConstString &
+ObjCLanguage::MethodName::GetCategory ()
+{
+ if (!m_category_is_valid && !m_category)
+ {
+ if (IsValid(false))
+ {
+ m_category_is_valid = true;
+ const char *full = m_full.GetCString();
+ const char *class_start = (full[0] == '[' ? full + 1 : full + 2);
+ const char *open_paren_pos = strchr (class_start, '(');
+ if (open_paren_pos)
+ {
+ ++open_paren_pos; // Skip the open paren
+ const char *close_paren_pos = strchr (open_paren_pos, ')');
+ if (close_paren_pos)
+ m_category.SetCStringWithLength (open_paren_pos, close_paren_pos - open_paren_pos);
+ }
+ }
+ }
+ return m_category;
+}
+
+ConstString
+ObjCLanguage::MethodName::GetFullNameWithoutCategory (bool empty_if_no_category)
+{
+ if (IsValid(false))
+ {
+ if (HasCategory())
+ {
+ StreamString strm;
+ if (m_type == eTypeClassMethod)
+ strm.PutChar('+');
+ else if (m_type == eTypeInstanceMethod)
+ strm.PutChar('-');
+ strm.Printf("[%s %s]", GetClassName().GetCString(), GetSelector().GetCString());
+ return ConstString(strm.GetString().c_str());
+ }
+
+ if (!empty_if_no_category)
+ {
+ // Just return the full name since it doesn't have a category
+ return GetFullName();
+ }
+ }
+ return ConstString();
+}
+
+size_t
+ObjCLanguage::MethodName::GetFullNames (std::vector<ConstString> &names, bool append)
+{
+ if (!append)
+ names.clear();
+ if (IsValid(false))
+ {
+ StreamString strm;
+ const bool is_class_method = m_type == eTypeClassMethod;
+ const bool is_instance_method = m_type == eTypeInstanceMethod;
+ const ConstString &category = GetCategory();
+ if (is_class_method || is_instance_method)
+ {
+ names.push_back (m_full);
+ if (category)
+ {
+ strm.Printf("%c[%s %s]",
+ is_class_method ? '+' : '-',
+ GetClassName().GetCString(),
+ GetSelector().GetCString());
+ names.push_back(ConstString(strm.GetString().c_str()));
+ }
+ }
+ else
+ {
+ const ConstString &class_name = GetClassName();
+ const ConstString &selector = GetSelector();
+ strm.Printf("+[%s %s]", class_name.GetCString(), selector.GetCString());
+ names.push_back(ConstString(strm.GetString().c_str()));
+ strm.Clear();
+ strm.Printf("-[%s %s]", class_name.GetCString(), selector.GetCString());
+ names.push_back(ConstString(strm.GetString().c_str()));
+ strm.Clear();
+ if (category)
+ {
+ strm.Printf("+[%s(%s) %s]", class_name.GetCString(), category.GetCString(), selector.GetCString());
+ names.push_back(ConstString(strm.GetString().c_str()));
+ strm.Clear();
+ strm.Printf("-[%s(%s) %s]", class_name.GetCString(), category.GetCString(), selector.GetCString());
+ names.push_back(ConstString(strm.GetString().c_str()));
+ }
+ }
+ }
+ return names.size();
+}
diff --git a/lldb/source/Plugins/Language/ObjC/ObjCLanguage.h b/lldb/source/Plugins/Language/ObjC/ObjCLanguage.h
index 3a43972..70ecf90 100644
--- a/lldb/source/Plugins/Language/ObjC/ObjCLanguage.h
+++ b/lldb/source/Plugins/Language/ObjC/ObjCLanguage.h
@@ -12,9 +12,12 @@
// C Includes
// C++ Includes
+#include <vector>
+
// Other libraries and framework includes
// Project includes
#include "lldb/lldb-private.h"
+#include "lldb/Core/ConstString.h"
#include "lldb/Target/Language.h"
namespace lldb_private {
@@ -23,6 +26,110 @@
public Language
{
public:
+ class MethodName
+ {
+ public:
+ enum Type
+ {
+ eTypeUnspecified,
+ eTypeClassMethod,
+ eTypeInstanceMethod
+ };
+
+ MethodName () :
+ m_full(),
+ m_class(),
+ m_category(),
+ m_selector(),
+ m_type (eTypeUnspecified),
+ m_category_is_valid (false)
+ {
+ }
+
+ MethodName (const char *name, bool strict) :
+ m_full(),
+ m_class(),
+ m_category(),
+ m_selector(),
+ m_type (eTypeUnspecified),
+ m_category_is_valid (false)
+ {
+ SetName (name, strict);
+ }
+
+ void
+ Clear();
+
+ bool
+ IsValid (bool strict) const
+ {
+ // If "strict" is true, the name must have everything specified including
+ // the leading "+" or "-" on the method name
+ if (strict && m_type == eTypeUnspecified)
+ return false;
+ // Other than that, m_full will only be filled in if the objective C
+ // name is valid.
+ return (bool)m_full;
+ }
+
+ bool
+ HasCategory()
+ {
+ return !GetCategory();
+ }
+
+ Type
+ GetType () const
+ {
+ return m_type;
+ }
+
+ const ConstString &
+ GetFullName () const
+ {
+ return m_full;
+ }
+
+ ConstString
+ GetFullNameWithoutCategory (bool empty_if_no_category);
+
+ bool
+ SetName (const char *name, bool strict);
+
+ const ConstString &
+ GetClassName ();
+
+ const ConstString &
+ GetClassNameWithCategory ();
+
+ const ConstString &
+ GetCategory ();
+
+ const ConstString &
+ GetSelector ();
+
+ // Get all possible names for a method. Examples:
+ // If name is "+[NSString(my_additions) myStringWithCString:]"
+ // names[0] => "+[NSString(my_additions) myStringWithCString:]"
+ // names[1] => "+[NSString myStringWithCString:]"
+ // If name is specified without the leading '+' or '-' like "[NSString(my_additions) myStringWithCString:]"
+ // names[0] => "+[NSString(my_additions) myStringWithCString:]"
+ // names[1] => "-[NSString(my_additions) myStringWithCString:]"
+ // names[2] => "+[NSString myStringWithCString:]"
+ // names[3] => "-[NSString myStringWithCString:]"
+ size_t
+ GetFullNames (std::vector<ConstString> &names, bool append);
+ protected:
+ ConstString m_full; // Full name: "+[NSString(my_additions) myStringWithCString:]"
+ ConstString m_class; // Class name: "NSString"
+ ConstString m_class_category; // Class with category: "NSString(my_additions)"
+ ConstString m_category; // Category: "my_additions"
+ ConstString m_selector; // Selector: "myStringWithCString:"
+ Type m_type;
+ bool m_category_is_valid;
+
+ };
+
virtual ~ObjCLanguage() = default;
ObjCLanguage () = default;
@@ -48,6 +155,30 @@
static lldb_private::ConstString
GetPluginNameStatic();
+ static bool
+ IsPossibleObjCMethodName (const char *name)
+ {
+ if (!name)
+ return false;
+ bool starts_right = (name[0] == '+' || name[0] == '-') && name[1] == '[';
+ bool ends_right = (name[strlen(name) - 1] == ']');
+ return (starts_right && ends_right);
+ }
+
+ static bool
+ IsPossibleObjCSelector (const char *name)
+ {
+ if (!name)
+ return false;
+
+ if (strchr(name, ':') == NULL)
+ return true;
+ else if (name[strlen(name) - 1] == ':')
+ return true;
+ else
+ return false;
+ }
+
//------------------------------------------------------------------
// PluginInterface protocol
//------------------------------------------------------------------