Greg Clayton | 9b8ff51 | 2012-02-01 01:46:19 +0000 | [diff] [blame] | 1 | //===-- ObjCLanguageRuntime.cpp ---------------------------------*- C++ -*-===// |
Jim Ingham | 642036f | 2010-09-23 02:01:19 +0000 | [diff] [blame] | 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
Jim Ingham | 324067b | 2010-09-30 00:54:27 +0000 | [diff] [blame] | 9 | #include "clang/AST/Type.h" |
Jim Ingham | 642036f | 2010-09-23 02:01:19 +0000 | [diff] [blame] | 10 | |
Jim Ingham | b66cd07 | 2010-09-28 01:25:32 +0000 | [diff] [blame] | 11 | #include "lldb/Core/Log.h" |
Jim Ingham | 642036f | 2010-09-23 02:01:19 +0000 | [diff] [blame] | 12 | #include "lldb/Core/PluginManager.h" |
Jim Ingham | 324067b | 2010-09-30 00:54:27 +0000 | [diff] [blame] | 13 | #include "lldb/Core/ValueObject.h" |
| 14 | #include "lldb/Symbol/ClangASTContext.h" |
Jim Ingham | ef80aab | 2011-05-02 18:13:59 +0000 | [diff] [blame] | 15 | #include "lldb/Symbol/Type.h" |
Jim Ingham | b66cd07 | 2010-09-28 01:25:32 +0000 | [diff] [blame] | 16 | #include "lldb/Target/ObjCLanguageRuntime.h" |
Jim Ingham | 642036f | 2010-09-23 02:01:19 +0000 | [diff] [blame] | 17 | |
| 18 | using namespace lldb; |
| 19 | using namespace lldb_private; |
| 20 | |
| 21 | //---------------------------------------------------------------------- |
| 22 | // Destructor |
| 23 | //---------------------------------------------------------------------- |
| 24 | ObjCLanguageRuntime::~ObjCLanguageRuntime() |
| 25 | { |
| 26 | } |
| 27 | |
| 28 | ObjCLanguageRuntime::ObjCLanguageRuntime (Process *process) : |
| 29 | LanguageRuntime (process) |
| 30 | { |
| 31 | |
Jim Ingham | b66cd07 | 2010-09-28 01:25:32 +0000 | [diff] [blame] | 32 | } |
| 33 | |
| 34 | void |
| 35 | ObjCLanguageRuntime::AddToMethodCache (lldb::addr_t class_addr, lldb::addr_t selector, lldb::addr_t impl_addr) |
| 36 | { |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 37 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
Jim Ingham | b66cd07 | 2010-09-28 01:25:32 +0000 | [diff] [blame] | 38 | if (log) |
| 39 | { |
| 40 | log->Printf ("Caching: class 0x%llx selector 0x%llx implementation 0x%llx.", class_addr, selector, impl_addr); |
| 41 | } |
| 42 | m_impl_cache.insert (std::pair<ClassAndSel,lldb::addr_t> (ClassAndSel(class_addr, selector), impl_addr)); |
| 43 | } |
| 44 | |
| 45 | lldb::addr_t |
| 46 | ObjCLanguageRuntime::LookupInMethodCache (lldb::addr_t class_addr, lldb::addr_t selector) |
| 47 | { |
| 48 | MsgImplMap::iterator pos, end = m_impl_cache.end(); |
| 49 | pos = m_impl_cache.find (ClassAndSel(class_addr, selector)); |
| 50 | if (pos != end) |
| 51 | return (*pos).second; |
| 52 | return LLDB_INVALID_ADDRESS; |
| 53 | } |
Jim Ingham | ef80aab | 2011-05-02 18:13:59 +0000 | [diff] [blame] | 54 | |
| 55 | void |
| 56 | ObjCLanguageRuntime::AddToClassNameCache (lldb::addr_t class_addr, const char *name, lldb::TypeSP type_sp) |
| 57 | { |
| 58 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
| 59 | if (log) |
| 60 | { |
| 61 | log->Printf ("Caching: class 0x%llx name: %s.", class_addr, name); |
| 62 | } |
| 63 | |
| 64 | TypeAndOrName class_type_or_name; |
| 65 | |
Greg Clayton | 4c8353b | 2011-10-18 23:36:41 +0000 | [diff] [blame] | 66 | if (type_sp) |
Jim Ingham | ef80aab | 2011-05-02 18:13:59 +0000 | [diff] [blame] | 67 | class_type_or_name.SetTypeSP (type_sp); |
| 68 | else if (name && *name != '\0') |
| 69 | class_type_or_name.SetName (name); |
| 70 | else |
| 71 | return; |
| 72 | m_class_name_cache.insert (std::pair<lldb::addr_t,TypeAndOrName> (class_addr, class_type_or_name)); |
| 73 | } |
| 74 | |
| 75 | void |
| 76 | ObjCLanguageRuntime::AddToClassNameCache (lldb::addr_t class_addr, const TypeAndOrName &class_type_or_name) |
| 77 | { |
| 78 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
| 79 | if (log) |
| 80 | { |
| 81 | log->Printf ("Caching: class 0x%llx name: %s.", class_addr, class_type_or_name.GetName().AsCString()); |
| 82 | } |
| 83 | |
| 84 | m_class_name_cache.insert (std::pair<lldb::addr_t,TypeAndOrName> (class_addr, class_type_or_name)); |
| 85 | } |
| 86 | |
| 87 | TypeAndOrName |
| 88 | ObjCLanguageRuntime::LookupInClassNameCache (lldb::addr_t class_addr) |
| 89 | { |
| 90 | ClassNameMap::iterator pos, end = m_class_name_cache.end(); |
| 91 | pos = m_class_name_cache.find (class_addr); |
| 92 | if (pos != end) |
| 93 | return (*pos).second; |
| 94 | return TypeAndOrName (); |
| 95 | } |
Jim Ingham | 5851366 | 2011-06-24 22:03:24 +0000 | [diff] [blame] | 96 | |
| 97 | size_t |
| 98 | ObjCLanguageRuntime::GetByteOffsetForIvar (ClangASTType &parent_qual_type, const char *ivar_name) |
| 99 | { |
| 100 | return LLDB_INVALID_IVAR_OFFSET; |
| 101 | } |
| 102 | |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 103 | |
Greg Clayton | 662e567 | 2012-01-19 03:24:53 +0000 | [diff] [blame] | 104 | uint32_t |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 105 | ObjCLanguageRuntime::ParseMethodName (const char *name, |
Greg Clayton | e14d3d3 | 2012-01-19 00:52:59 +0000 | [diff] [blame] | 106 | ConstString *class_name, // Class name (with category if any) |
| 107 | ConstString *selector_name, // selector on its own |
| 108 | ConstString *name_sans_category, // Full function prototype with no category |
| 109 | ConstString *class_name_sans_category)// Class name with no category (or empty if no category as answer will be in "class_name" |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 110 | { |
Greg Clayton | e14d3d3 | 2012-01-19 00:52:59 +0000 | [diff] [blame] | 111 | if (class_name) |
| 112 | class_name->Clear(); |
| 113 | if (selector_name) |
| 114 | selector_name->Clear(); |
| 115 | if (name_sans_category) |
| 116 | name_sans_category->Clear(); |
| 117 | if (class_name_sans_category) |
| 118 | class_name_sans_category->Clear(); |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 119 | |
Greg Clayton | 662e567 | 2012-01-19 03:24:53 +0000 | [diff] [blame] | 120 | uint32_t result = 0; |
| 121 | |
Jim Ingham | fdf24ef | 2011-09-08 22:13:49 +0000 | [diff] [blame] | 122 | if (IsPossibleObjCMethodName (name)) |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 123 | { |
| 124 | int name_len = strlen (name); |
| 125 | // Objective C methods must have at least: |
| 126 | // "-[" or "+[" prefix |
| 127 | // One character for a class name |
| 128 | // One character for the space between the class name |
| 129 | // One character for the method name |
| 130 | // "]" suffix |
| 131 | if (name_len >= 6 && name[name_len - 1] == ']') |
| 132 | { |
Greg Clayton | e14d3d3 | 2012-01-19 00:52:59 +0000 | [diff] [blame] | 133 | const char *selector_name_ptr = strchr (name, ' '); |
Greg Clayton | 00db215 | 2011-10-04 22:41:51 +0000 | [diff] [blame] | 134 | if (selector_name_ptr) |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 135 | { |
| 136 | if (class_name) |
Greg Clayton | 662e567 | 2012-01-19 03:24:53 +0000 | [diff] [blame] | 137 | { |
Greg Clayton | 00db215 | 2011-10-04 22:41:51 +0000 | [diff] [blame] | 138 | class_name->SetCStringWithLength (name + 2, selector_name_ptr - name - 2); |
Greg Clayton | 662e567 | 2012-01-19 03:24:53 +0000 | [diff] [blame] | 139 | ++result; |
| 140 | } |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 141 | |
| 142 | // Skip the space |
Greg Clayton | 00db215 | 2011-10-04 22:41:51 +0000 | [diff] [blame] | 143 | ++selector_name_ptr; |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 144 | // Extract the objective C basename and add it to the |
| 145 | // accelerator tables |
Greg Clayton | 00db215 | 2011-10-04 22:41:51 +0000 | [diff] [blame] | 146 | size_t selector_name_len = name_len - (selector_name_ptr - name) - 1; |
| 147 | if (selector_name) |
Greg Clayton | 662e567 | 2012-01-19 03:24:53 +0000 | [diff] [blame] | 148 | { |
Greg Clayton | 00db215 | 2011-10-04 22:41:51 +0000 | [diff] [blame] | 149 | selector_name->SetCStringWithLength (selector_name_ptr, selector_name_len); |
Greg Clayton | 662e567 | 2012-01-19 03:24:53 +0000 | [diff] [blame] | 150 | ++result; |
| 151 | } |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 152 | |
| 153 | // Also see if this is a "category" on our class. If so strip off the category name, |
| 154 | // and add the class name without it to the basename table. |
| 155 | |
Greg Clayton | e14d3d3 | 2012-01-19 00:52:59 +0000 | [diff] [blame] | 156 | if (name_sans_category || class_name_sans_category) |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 157 | { |
Greg Clayton | e14d3d3 | 2012-01-19 00:52:59 +0000 | [diff] [blame] | 158 | const char *open_paren = strchr (name, '('); |
Greg Clayton | e14d3d3 | 2012-01-19 00:52:59 +0000 | [diff] [blame] | 159 | if (open_paren) |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 160 | { |
Greg Clayton | e14d3d3 | 2012-01-19 00:52:59 +0000 | [diff] [blame] | 161 | if (class_name_sans_category) |
Greg Clayton | 662e567 | 2012-01-19 03:24:53 +0000 | [diff] [blame] | 162 | { |
Greg Clayton | e14d3d3 | 2012-01-19 00:52:59 +0000 | [diff] [blame] | 163 | class_name_sans_category->SetCStringWithLength (name + 2, open_paren - name - 2); |
Greg Clayton | 662e567 | 2012-01-19 03:24:53 +0000 | [diff] [blame] | 164 | ++result; |
| 165 | } |
Sean Callanan | c1cd379 | 2012-01-19 01:10:27 +0000 | [diff] [blame] | 166 | |
| 167 | if (name_sans_category) |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 168 | { |
Greg Clayton | 662e567 | 2012-01-19 03:24:53 +0000 | [diff] [blame] | 169 | const char *close_paren = strchr (open_paren, ')'); |
| 170 | if (open_paren < close_paren) |
Sean Callanan | c1cd379 | 2012-01-19 01:10:27 +0000 | [diff] [blame] | 171 | { |
| 172 | std::string buffer (name, open_paren - name); |
| 173 | buffer.append (close_paren + 1); |
| 174 | name_sans_category->SetCString (buffer.c_str()); |
Greg Clayton | 662e567 | 2012-01-19 03:24:53 +0000 | [diff] [blame] | 175 | ++result; |
Sean Callanan | c1cd379 | 2012-01-19 01:10:27 +0000 | [diff] [blame] | 176 | } |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 177 | } |
| 178 | } |
| 179 | } |
| 180 | } |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 181 | } |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 182 | } |
Greg Clayton | 662e567 | 2012-01-19 03:24:53 +0000 | [diff] [blame] | 183 | return result; |
Jim Ingham | 3ad4da0 | 2011-08-15 01:32:22 +0000 | [diff] [blame] | 184 | } |