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-rw-r--r--contrib/llvm/tools/lldb/source/Target/CPPLanguageRuntime.cpp372
1 files changed, 0 insertions, 372 deletions
diff --git a/contrib/llvm/tools/lldb/source/Target/CPPLanguageRuntime.cpp b/contrib/llvm/tools/lldb/source/Target/CPPLanguageRuntime.cpp
index f048c67..28cfab1 100644
--- a/contrib/llvm/tools/lldb/source/Target/CPPLanguageRuntime.cpp
+++ b/contrib/llvm/tools/lldb/source/Target/CPPLanguageRuntime.cpp
@@ -20,137 +20,6 @@
using namespace lldb;
using namespace lldb_private;
-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;
-}
-
//----------------------------------------------------------------------
// Destructor
//----------------------------------------------------------------------
@@ -177,244 +46,3 @@ CPPLanguageRuntime::GetObjectDescription (Stream &str, Value &value, ExecutionCo
// C++ has no generic way to do this.
return false;
}
-
-bool
-CPPLanguageRuntime::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
-CPPLanguageRuntime::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;
-}
-
-uint32_t
-CPPLanguageRuntime::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;
-}
-
-void
-CPPLanguageRuntime::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
-CPPLanguageRuntime::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))
- {
- context_end = full.rfind(':', template_start);
- if (context_end == llvm::StringRef::npos)
- {
- // Check for templated functions that include return type like:
- // 'void foo<Int>()'
- context_end = full.rfind(' ', template_start);
- if (context_end != llvm::StringRef::npos)
- {
- context_start = context_end;
- }
- }
- }
- 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
-CPPLanguageRuntime::MethodName::GetBasename ()
-{
- if (!m_parsed)
- Parse();
- return m_basename;
-}
-
-llvm::StringRef
-CPPLanguageRuntime::MethodName::GetContext ()
-{
- if (!m_parsed)
- Parse();
- return m_context;
-}
-
-llvm::StringRef
-CPPLanguageRuntime::MethodName::GetArguments ()
-{
- if (!m_parsed)
- Parse();
- return m_arguments;
-}
-
-llvm::StringRef
-CPPLanguageRuntime::MethodName::GetQualifiers ()
-{
- if (!m_parsed)
- Parse();
- return m_qualifiers;
-}
-
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