| //===-- ObjCLanguageRuntime.cpp ---------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| #include "clang/AST/Type.h" |
| |
| #include "lldb/Core/Log.h" |
| #include "lldb/Core/PluginManager.h" |
| #include "lldb/Core/ValueObject.h" |
| #include "lldb/Symbol/ClangASTContext.h" |
| #include "lldb/Symbol/Type.h" |
| #include "lldb/Target/ObjCLanguageRuntime.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| //---------------------------------------------------------------------- |
| // Destructor |
| //---------------------------------------------------------------------- |
| ObjCLanguageRuntime::~ObjCLanguageRuntime() |
| { |
| } |
| |
| ObjCLanguageRuntime::ObjCLanguageRuntime (Process *process) : |
| LanguageRuntime (process) |
| { |
| |
| } |
| |
| void |
| ObjCLanguageRuntime::AddToMethodCache (lldb::addr_t class_addr, lldb::addr_t selector, lldb::addr_t impl_addr) |
| { |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
| if (log) |
| { |
| log->Printf ("Caching: class 0x%llx selector 0x%llx implementation 0x%llx.", class_addr, selector, impl_addr); |
| } |
| m_impl_cache.insert (std::pair<ClassAndSel,lldb::addr_t> (ClassAndSel(class_addr, selector), impl_addr)); |
| } |
| |
| lldb::addr_t |
| ObjCLanguageRuntime::LookupInMethodCache (lldb::addr_t class_addr, lldb::addr_t selector) |
| { |
| MsgImplMap::iterator pos, end = m_impl_cache.end(); |
| pos = m_impl_cache.find (ClassAndSel(class_addr, selector)); |
| if (pos != end) |
| return (*pos).second; |
| return LLDB_INVALID_ADDRESS; |
| } |
| |
| void |
| ObjCLanguageRuntime::AddToClassNameCache (lldb::addr_t class_addr, const char *name, lldb::TypeSP type_sp) |
| { |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
| if (log) |
| { |
| log->Printf ("Caching: class 0x%llx name: %s.", class_addr, name); |
| } |
| |
| TypeAndOrName class_type_or_name; |
| |
| if (type_sp) |
| class_type_or_name.SetTypeSP (type_sp); |
| else if (name && *name != '\0') |
| class_type_or_name.SetName (name); |
| else |
| return; |
| m_class_name_cache.insert (std::pair<lldb::addr_t,TypeAndOrName> (class_addr, class_type_or_name)); |
| } |
| |
| void |
| ObjCLanguageRuntime::AddToClassNameCache (lldb::addr_t class_addr, const TypeAndOrName &class_type_or_name) |
| { |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
| if (log) |
| { |
| log->Printf ("Caching: class 0x%llx name: %s.", class_addr, class_type_or_name.GetName().AsCString()); |
| } |
| |
| m_class_name_cache.insert (std::pair<lldb::addr_t,TypeAndOrName> (class_addr, class_type_or_name)); |
| } |
| |
| TypeAndOrName |
| ObjCLanguageRuntime::LookupInClassNameCache (lldb::addr_t class_addr) |
| { |
| ClassNameMap::iterator pos, end = m_class_name_cache.end(); |
| pos = m_class_name_cache.find (class_addr); |
| if (pos != end) |
| return (*pos).second; |
| return TypeAndOrName (); |
| } |
| |
| size_t |
| ObjCLanguageRuntime::GetByteOffsetForIvar (ClangASTType &parent_qual_type, const char *ivar_name) |
| { |
| return LLDB_INVALID_IVAR_OFFSET; |
| } |
| |
| |
| uint32_t |
| ObjCLanguageRuntime::ParseMethodName (const char *name, |
| ConstString *class_name, // Class name (with category if any) |
| ConstString *selector_name, // selector on its own |
| ConstString *name_sans_category, // Full function prototype with no category |
| ConstString *class_name_sans_category)// Class name with no category (or empty if no category as answer will be in "class_name" |
| { |
| if (class_name) |
| class_name->Clear(); |
| if (selector_name) |
| selector_name->Clear(); |
| if (name_sans_category) |
| name_sans_category->Clear(); |
| if (class_name_sans_category) |
| class_name_sans_category->Clear(); |
| |
| uint32_t result = 0; |
| |
| if (IsPossibleObjCMethodName (name)) |
| { |
| 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 >= 6 && name[name_len - 1] == ']') |
| { |
| const char *selector_name_ptr = strchr (name, ' '); |
| if (selector_name_ptr) |
| { |
| if (class_name) |
| { |
| class_name->SetCStringWithLength (name + 2, selector_name_ptr - name - 2); |
| ++result; |
| } |
| |
| // Skip the space |
| ++selector_name_ptr; |
| // Extract the objective C basename and add it to the |
| // accelerator tables |
| size_t selector_name_len = name_len - (selector_name_ptr - name) - 1; |
| if (selector_name) |
| { |
| selector_name->SetCStringWithLength (selector_name_ptr, selector_name_len); |
| ++result; |
| } |
| |
| // Also see if this is a "category" on our class. If so strip off the category name, |
| // and add the class name without it to the basename table. |
| |
| if (name_sans_category || class_name_sans_category) |
| { |
| const char *open_paren = strchr (name, '('); |
| if (open_paren) |
| { |
| if (class_name_sans_category) |
| { |
| class_name_sans_category->SetCStringWithLength (name + 2, open_paren - name - 2); |
| ++result; |
| } |
| |
| if (name_sans_category) |
| { |
| const char *close_paren = strchr (open_paren, ')'); |
| if (open_paren < close_paren) |
| { |
| std::string buffer (name, open_paren - name); |
| buffer.append (close_paren + 1); |
| name_sans_category->SetCString (buffer.c_str()); |
| ++result; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| return result; |
| } |