Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1 | //===-- ClangASTContext.cpp -------------------------------------*- C++ -*-===// |
| 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 | //===----------------------------------------------------------------------===// |
| 9 | |
Eli Friedman | f05633b | 2010-06-13 19:06:42 +0000 | [diff] [blame] | 10 | #include "lldb/Symbol/ClangASTContext.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 11 | |
| 12 | // C Includes |
| 13 | // C++ Includes |
| 14 | #include <string> |
| 15 | |
| 16 | // Other libraries and framework includes |
Sean Callanan | bc4f0f5 | 2010-07-08 18:16:16 +0000 | [diff] [blame] | 17 | #define NDEBUG |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 18 | #include "clang/AST/ASTContext.h" |
| 19 | #include "clang/AST/ASTImporter.h" |
| 20 | #include "clang/AST/CXXInheritance.h" |
| 21 | #include "clang/AST/RecordLayout.h" |
| 22 | #include "clang/AST/Type.h" |
| 23 | #include "clang/Basic/Builtins.h" |
| 24 | #include "clang/Basic/FileManager.h" |
| 25 | #include "clang/Basic/SourceManager.h" |
| 26 | #include "clang/Basic/TargetInfo.h" |
| 27 | #include "clang/Basic/TargetOptions.h" |
| 28 | #include "clang/Frontend/FrontendOptions.h" |
| 29 | #include "clang/Frontend/LangStandard.h" |
Sean Callanan | bc4f0f5 | 2010-07-08 18:16:16 +0000 | [diff] [blame] | 30 | #undef NDEBUG |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 31 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 32 | #include "lldb/Core/dwarf.h" |
| 33 | |
Eli Friedman | f05633b | 2010-06-13 19:06:42 +0000 | [diff] [blame] | 34 | #include <stdio.h> |
| 35 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 36 | using namespace lldb_private; |
| 37 | using namespace llvm; |
| 38 | using namespace clang; |
| 39 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 40 | static void |
| 41 | ParseLangArgs |
| 42 | ( |
| 43 | LangOptions &Opts, |
Greg Clayton | e41c4b2 | 2010-06-13 17:34:29 +0000 | [diff] [blame] | 44 | InputKind IK |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 45 | ) |
| 46 | { |
| 47 | // FIXME: Cleanup per-file based stuff. |
| 48 | |
| 49 | // Set some properties which depend soley on the input kind; it would be nice |
| 50 | // to move these to the language standard, and have the driver resolve the |
| 51 | // input kind + language standard. |
Greg Clayton | e41c4b2 | 2010-06-13 17:34:29 +0000 | [diff] [blame] | 52 | if (IK == IK_Asm) { |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 53 | Opts.AsmPreprocessor = 1; |
Greg Clayton | e41c4b2 | 2010-06-13 17:34:29 +0000 | [diff] [blame] | 54 | } else if (IK == IK_ObjC || |
| 55 | IK == IK_ObjCXX || |
| 56 | IK == IK_PreprocessedObjC || |
| 57 | IK == IK_PreprocessedObjCXX) { |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 58 | Opts.ObjC1 = Opts.ObjC2 = 1; |
| 59 | } |
| 60 | |
| 61 | LangStandard::Kind LangStd = LangStandard::lang_unspecified; |
| 62 | |
| 63 | if (LangStd == LangStandard::lang_unspecified) { |
| 64 | // Based on the base language, pick one. |
| 65 | switch (IK) { |
Greg Clayton | e41c4b2 | 2010-06-13 17:34:29 +0000 | [diff] [blame] | 66 | case IK_None: |
| 67 | case IK_AST: |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 68 | assert(0 && "Invalid input kind!"); |
Greg Clayton | e41c4b2 | 2010-06-13 17:34:29 +0000 | [diff] [blame] | 69 | case IK_OpenCL: |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 70 | LangStd = LangStandard::lang_opencl; |
| 71 | break; |
Greg Clayton | e41c4b2 | 2010-06-13 17:34:29 +0000 | [diff] [blame] | 72 | case IK_Asm: |
| 73 | case IK_C: |
| 74 | case IK_PreprocessedC: |
| 75 | case IK_ObjC: |
| 76 | case IK_PreprocessedObjC: |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 77 | LangStd = LangStandard::lang_gnu99; |
| 78 | break; |
Greg Clayton | e41c4b2 | 2010-06-13 17:34:29 +0000 | [diff] [blame] | 79 | case IK_CXX: |
| 80 | case IK_PreprocessedCXX: |
| 81 | case IK_ObjCXX: |
| 82 | case IK_PreprocessedObjCXX: |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 83 | LangStd = LangStandard::lang_gnucxx98; |
| 84 | break; |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); |
| 89 | Opts.BCPLComment = Std.hasBCPLComments(); |
| 90 | Opts.C99 = Std.isC99(); |
| 91 | Opts.CPlusPlus = Std.isCPlusPlus(); |
| 92 | Opts.CPlusPlus0x = Std.isCPlusPlus0x(); |
| 93 | Opts.Digraphs = Std.hasDigraphs(); |
| 94 | Opts.GNUMode = Std.isGNUMode(); |
| 95 | Opts.GNUInline = !Std.isC99(); |
| 96 | Opts.HexFloats = Std.hasHexFloats(); |
| 97 | Opts.ImplicitInt = Std.hasImplicitInt(); |
| 98 | |
| 99 | // OpenCL has some additional defaults. |
| 100 | if (LangStd == LangStandard::lang_opencl) { |
| 101 | Opts.OpenCL = 1; |
| 102 | Opts.AltiVec = 1; |
| 103 | Opts.CXXOperatorNames = 1; |
| 104 | Opts.LaxVectorConversions = 1; |
| 105 | } |
| 106 | |
| 107 | // OpenCL and C++ both have bool, true, false keywords. |
| 108 | Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; |
| 109 | |
| 110 | // if (Opts.CPlusPlus) |
| 111 | // Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); |
| 112 | // |
| 113 | // if (Args.hasArg(OPT_fobjc_gc_only)) |
| 114 | // Opts.setGCMode(LangOptions::GCOnly); |
| 115 | // else if (Args.hasArg(OPT_fobjc_gc)) |
| 116 | // Opts.setGCMode(LangOptions::HybridGC); |
| 117 | // |
| 118 | // if (Args.hasArg(OPT_print_ivar_layout)) |
| 119 | // Opts.ObjCGCBitmapPrint = 1; |
| 120 | // |
| 121 | // if (Args.hasArg(OPT_faltivec)) |
| 122 | // Opts.AltiVec = 1; |
| 123 | // |
| 124 | // if (Args.hasArg(OPT_pthread)) |
| 125 | // Opts.POSIXThreads = 1; |
| 126 | // |
| 127 | // llvm::StringRef Vis = getLastArgValue(Args, OPT_fvisibility, |
| 128 | // "default"); |
| 129 | // if (Vis == "default") |
| 130 | Opts.setVisibilityMode(LangOptions::Default); |
| 131 | // else if (Vis == "hidden") |
| 132 | // Opts.setVisibilityMode(LangOptions::Hidden); |
| 133 | // else if (Vis == "protected") |
| 134 | // Opts.setVisibilityMode(LangOptions::Protected); |
| 135 | // else |
| 136 | // Diags.Report(diag::err_drv_invalid_value) |
| 137 | // << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; |
| 138 | |
| 139 | // Opts.OverflowChecking = Args.hasArg(OPT_ftrapv); |
| 140 | |
| 141 | // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs |
| 142 | // is specified, or -std is set to a conforming mode. |
| 143 | Opts.Trigraphs = !Opts.GNUMode; |
| 144 | // if (Args.hasArg(OPT_trigraphs)) |
| 145 | // Opts.Trigraphs = 1; |
| 146 | // |
| 147 | // Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, |
| 148 | // OPT_fno_dollars_in_identifiers, |
| 149 | // !Opts.AsmPreprocessor); |
| 150 | // Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); |
| 151 | // Opts.Microsoft = Args.hasArg(OPT_fms_extensions); |
| 152 | // Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); |
| 153 | // if (Args.hasArg(OPT_fno_lax_vector_conversions)) |
| 154 | // Opts.LaxVectorConversions = 0; |
| 155 | // Opts.Exceptions = Args.hasArg(OPT_fexceptions); |
| 156 | // Opts.RTTI = !Args.hasArg(OPT_fno_rtti); |
| 157 | // Opts.Blocks = Args.hasArg(OPT_fblocks); |
| 158 | // Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); |
| 159 | // Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); |
| 160 | // Opts.Freestanding = Args.hasArg(OPT_ffreestanding); |
| 161 | // Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; |
| 162 | // Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); |
| 163 | // Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); |
| 164 | // Opts.AccessControl = Args.hasArg(OPT_faccess_control); |
| 165 | // Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); |
| 166 | // Opts.MathErrno = !Args.hasArg(OPT_fno_math_errno); |
| 167 | // Opts.InstantiationDepth = getLastArgIntValue(Args, OPT_ftemplate_depth, 99, |
| 168 | // Diags); |
| 169 | // Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); |
| 170 | // Opts.ObjCConstantStringClass = getLastArgValue(Args, |
| 171 | // OPT_fconstant_string_class); |
| 172 | // Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); |
| 173 | // Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); |
| 174 | // Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); |
| 175 | // Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags); |
| 176 | // Opts.Static = Args.hasArg(OPT_static_define); |
| 177 | Opts.OptimizeSize = 0; |
| 178 | |
| 179 | // FIXME: Eliminate this dependency. |
| 180 | // unsigned Opt = |
| 181 | // Args.hasArg(OPT_Os) ? 2 : getLastArgIntValue(Args, OPT_O, 0, Diags); |
| 182 | // Opts.Optimize = Opt != 0; |
| 183 | unsigned Opt = 0; |
| 184 | |
| 185 | // This is the __NO_INLINE__ define, which just depends on things like the |
| 186 | // optimization level and -fno-inline, not actually whether the backend has |
| 187 | // inlining enabled. |
| 188 | // |
| 189 | // FIXME: This is affected by other options (-fno-inline). |
| 190 | Opts.NoInline = !Opt; |
| 191 | |
| 192 | // unsigned SSP = getLastArgIntValue(Args, OPT_stack_protector, 0, Diags); |
| 193 | // switch (SSP) { |
| 194 | // default: |
| 195 | // Diags.Report(diag::err_drv_invalid_value) |
| 196 | // << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; |
| 197 | // break; |
| 198 | // case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; |
| 199 | // case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; |
| 200 | // case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; |
| 201 | // } |
| 202 | } |
| 203 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 204 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 205 | ClangASTContext::ClangASTContext(const char *target_triple) : |
| 206 | m_target_triple(), |
| 207 | m_ast_context_ap(), |
| 208 | m_language_options_ap(), |
| 209 | m_source_manager_ap(), |
| 210 | m_diagnostic_ap(), |
| 211 | m_target_options_ap(), |
| 212 | m_target_info_ap(), |
| 213 | m_identifier_table_ap(), |
| 214 | m_selector_table_ap(), |
| 215 | m_builtins_ap() |
| 216 | { |
| 217 | if (target_triple && target_triple[0]) |
| 218 | m_target_triple.assign (target_triple); |
| 219 | } |
| 220 | |
| 221 | //---------------------------------------------------------------------- |
| 222 | // Destructor |
| 223 | //---------------------------------------------------------------------- |
| 224 | ClangASTContext::~ClangASTContext() |
| 225 | { |
| 226 | m_builtins_ap.reset(); |
| 227 | m_selector_table_ap.reset(); |
| 228 | m_identifier_table_ap.reset(); |
| 229 | m_target_info_ap.reset(); |
| 230 | m_target_options_ap.reset(); |
| 231 | m_diagnostic_ap.reset(); |
| 232 | m_source_manager_ap.reset(); |
| 233 | m_language_options_ap.reset(); |
| 234 | m_ast_context_ap.reset(); |
| 235 | } |
| 236 | |
| 237 | |
| 238 | void |
| 239 | ClangASTContext::Clear() |
| 240 | { |
| 241 | m_ast_context_ap.reset(); |
| 242 | m_language_options_ap.reset(); |
| 243 | m_source_manager_ap.reset(); |
| 244 | m_diagnostic_ap.reset(); |
| 245 | m_target_options_ap.reset(); |
| 246 | m_target_info_ap.reset(); |
| 247 | m_identifier_table_ap.reset(); |
| 248 | m_selector_table_ap.reset(); |
| 249 | m_builtins_ap.reset(); |
| 250 | } |
| 251 | |
| 252 | const char * |
| 253 | ClangASTContext::GetTargetTriple () |
| 254 | { |
| 255 | return m_target_triple.c_str(); |
| 256 | } |
| 257 | |
| 258 | void |
| 259 | ClangASTContext::SetTargetTriple (const char *target_triple) |
| 260 | { |
| 261 | Clear(); |
| 262 | m_target_triple.assign(target_triple); |
| 263 | } |
| 264 | |
| 265 | |
| 266 | ASTContext * |
| 267 | ClangASTContext::getASTContext() |
| 268 | { |
| 269 | if (m_ast_context_ap.get() == NULL) |
| 270 | { |
| 271 | m_ast_context_ap.reset( |
| 272 | new ASTContext( |
| 273 | *getLanguageOptions(), |
| 274 | *getSourceManager(), |
| 275 | *getTargetInfo(), |
| 276 | *getIdentifierTable(), |
| 277 | *getSelectorTable(), |
| 278 | *getBuiltinContext())); |
| 279 | } |
| 280 | return m_ast_context_ap.get(); |
| 281 | } |
| 282 | |
| 283 | Builtin::Context * |
| 284 | ClangASTContext::getBuiltinContext() |
| 285 | { |
| 286 | if (m_builtins_ap.get() == NULL) |
| 287 | m_builtins_ap.reset (new Builtin::Context(*getTargetInfo())); |
| 288 | return m_builtins_ap.get(); |
| 289 | } |
| 290 | |
| 291 | IdentifierTable * |
| 292 | ClangASTContext::getIdentifierTable() |
| 293 | { |
| 294 | if (m_identifier_table_ap.get() == NULL) |
| 295 | m_identifier_table_ap.reset(new IdentifierTable (*ClangASTContext::getLanguageOptions(), NULL)); |
| 296 | return m_identifier_table_ap.get(); |
| 297 | } |
| 298 | |
| 299 | LangOptions * |
| 300 | ClangASTContext::getLanguageOptions() |
| 301 | { |
| 302 | if (m_language_options_ap.get() == NULL) |
| 303 | { |
| 304 | m_language_options_ap.reset(new LangOptions()); |
Greg Clayton | e41c4b2 | 2010-06-13 17:34:29 +0000 | [diff] [blame] | 305 | ParseLangArgs(*m_language_options_ap, IK_ObjCXX); |
| 306 | // InitializeLangOptions(*m_language_options_ap, IK_ObjCXX); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 307 | } |
| 308 | return m_language_options_ap.get(); |
| 309 | } |
| 310 | |
| 311 | SelectorTable * |
| 312 | ClangASTContext::getSelectorTable() |
| 313 | { |
| 314 | if (m_selector_table_ap.get() == NULL) |
| 315 | m_selector_table_ap.reset (new SelectorTable()); |
| 316 | return m_selector_table_ap.get(); |
| 317 | } |
| 318 | |
| 319 | SourceManager * |
| 320 | ClangASTContext::getSourceManager() |
| 321 | { |
| 322 | if (m_source_manager_ap.get() == NULL) |
| 323 | m_source_manager_ap.reset(new SourceManager(*getDiagnostic())); |
| 324 | return m_source_manager_ap.get(); |
| 325 | } |
| 326 | |
| 327 | Diagnostic * |
| 328 | ClangASTContext::getDiagnostic() |
| 329 | { |
| 330 | if (m_diagnostic_ap.get() == NULL) |
| 331 | m_diagnostic_ap.reset(new Diagnostic()); |
| 332 | return m_diagnostic_ap.get(); |
| 333 | } |
| 334 | |
| 335 | TargetOptions * |
| 336 | ClangASTContext::getTargetOptions() |
| 337 | { |
| 338 | if (m_target_options_ap.get() == NULL && !m_target_triple.empty()) |
| 339 | { |
| 340 | m_target_options_ap.reset (new TargetOptions()); |
| 341 | if (m_target_options_ap.get()) |
| 342 | m_target_options_ap->Triple = m_target_triple; |
| 343 | } |
| 344 | return m_target_options_ap.get(); |
| 345 | } |
| 346 | |
| 347 | |
| 348 | TargetInfo * |
| 349 | ClangASTContext::getTargetInfo() |
| 350 | { |
| 351 | // target_triple should be something like "x86_64-apple-darwin10" |
| 352 | if (m_target_info_ap.get() == NULL && !m_target_triple.empty()) |
| 353 | m_target_info_ap.reset (TargetInfo::CreateTargetInfo(*getDiagnostic(), *getTargetOptions())); |
| 354 | return m_target_info_ap.get(); |
| 355 | } |
| 356 | |
| 357 | #pragma mark Basic Types |
| 358 | |
| 359 | static inline bool |
| 360 | QualTypeMatchesBitSize(const uint64_t bit_size, ASTContext *ast_context, QualType qual_type) |
| 361 | { |
| 362 | uint64_t qual_type_bit_size = ast_context->getTypeSize(qual_type); |
| 363 | if (qual_type_bit_size == bit_size) |
| 364 | return true; |
| 365 | return false; |
| 366 | } |
| 367 | |
| 368 | void * |
| 369 | ClangASTContext::GetBuiltinTypeForEncodingAndBitSize (lldb::Encoding encoding, uint32_t bit_size) |
| 370 | { |
| 371 | ASTContext *ast_context = getASTContext(); |
| 372 | |
| 373 | assert (ast_context != NULL); |
| 374 | |
| 375 | return GetBuiltinTypeForEncodingAndBitSize (ast_context, encoding, bit_size); |
| 376 | } |
| 377 | |
| 378 | void * |
| 379 | ClangASTContext::GetBuiltinTypeForEncodingAndBitSize (clang::ASTContext *ast_context, lldb::Encoding encoding, uint32_t bit_size) |
| 380 | { |
| 381 | if (!ast_context) |
| 382 | return NULL; |
| 383 | |
| 384 | switch (encoding) |
| 385 | { |
| 386 | case lldb::eEncodingInvalid: |
| 387 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->VoidPtrTy)) |
| 388 | return ast_context->VoidPtrTy.getAsOpaquePtr(); |
| 389 | break; |
| 390 | |
| 391 | case lldb::eEncodingUint: |
| 392 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedCharTy)) |
| 393 | return ast_context->UnsignedCharTy.getAsOpaquePtr(); |
| 394 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedShortTy)) |
| 395 | return ast_context->UnsignedShortTy.getAsOpaquePtr(); |
| 396 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedIntTy)) |
| 397 | return ast_context->UnsignedIntTy.getAsOpaquePtr(); |
| 398 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedLongTy)) |
| 399 | return ast_context->UnsignedLongTy.getAsOpaquePtr(); |
| 400 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedLongLongTy)) |
| 401 | return ast_context->UnsignedLongLongTy.getAsOpaquePtr(); |
| 402 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedInt128Ty)) |
| 403 | return ast_context->UnsignedInt128Ty.getAsOpaquePtr(); |
| 404 | break; |
| 405 | |
| 406 | case lldb::eEncodingSint: |
| 407 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->CharTy)) |
| 408 | return ast_context->CharTy.getAsOpaquePtr(); |
| 409 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->ShortTy)) |
| 410 | return ast_context->ShortTy.getAsOpaquePtr(); |
| 411 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->IntTy)) |
| 412 | return ast_context->IntTy.getAsOpaquePtr(); |
| 413 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->LongTy)) |
| 414 | return ast_context->LongTy.getAsOpaquePtr(); |
| 415 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->LongLongTy)) |
| 416 | return ast_context->LongLongTy.getAsOpaquePtr(); |
| 417 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->Int128Ty)) |
| 418 | return ast_context->Int128Ty.getAsOpaquePtr(); |
| 419 | break; |
| 420 | |
| 421 | case lldb::eEncodingIEEE754: |
| 422 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->FloatTy)) |
| 423 | return ast_context->FloatTy.getAsOpaquePtr(); |
| 424 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->DoubleTy)) |
| 425 | return ast_context->DoubleTy.getAsOpaquePtr(); |
| 426 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->LongDoubleTy)) |
| 427 | return ast_context->LongDoubleTy.getAsOpaquePtr(); |
| 428 | break; |
| 429 | |
| 430 | case lldb::eEncodingVector: |
| 431 | default: |
| 432 | break; |
| 433 | } |
| 434 | |
| 435 | return NULL; |
| 436 | } |
| 437 | |
| 438 | void * |
| 439 | ClangASTContext::GetBuiltinTypeForDWARFEncodingAndBitSize (const char *type_name, uint32_t dw_ate, uint32_t bit_size) |
| 440 | { |
| 441 | ASTContext *ast_context = getASTContext(); |
| 442 | |
| 443 | #define streq(a,b) strcmp(a,b) == 0 |
| 444 | assert (ast_context != NULL); |
| 445 | if (ast_context) |
| 446 | { |
| 447 | switch (dw_ate) |
| 448 | { |
| 449 | default: |
| 450 | break; |
| 451 | |
| 452 | case DW_ATE_address: |
| 453 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->VoidPtrTy)) |
| 454 | return ast_context->VoidPtrTy.getAsOpaquePtr(); |
| 455 | break; |
| 456 | |
| 457 | case DW_ATE_boolean: |
| 458 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->BoolTy)) |
| 459 | return ast_context->BoolTy.getAsOpaquePtr(); |
| 460 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedCharTy)) |
| 461 | return ast_context->UnsignedCharTy.getAsOpaquePtr(); |
| 462 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedShortTy)) |
| 463 | return ast_context->UnsignedShortTy.getAsOpaquePtr(); |
| 464 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedIntTy)) |
| 465 | return ast_context->UnsignedIntTy.getAsOpaquePtr(); |
| 466 | break; |
| 467 | |
| 468 | case DW_ATE_complex_float: |
| 469 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->FloatComplexTy)) |
| 470 | return ast_context->FloatComplexTy.getAsOpaquePtr(); |
| 471 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->DoubleComplexTy)) |
| 472 | return ast_context->DoubleComplexTy.getAsOpaquePtr(); |
| 473 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->LongDoubleComplexTy)) |
| 474 | return ast_context->LongDoubleComplexTy.getAsOpaquePtr(); |
| 475 | break; |
| 476 | |
| 477 | case DW_ATE_float: |
| 478 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->FloatTy)) |
| 479 | return ast_context->FloatTy.getAsOpaquePtr(); |
| 480 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->DoubleTy)) |
| 481 | return ast_context->DoubleTy.getAsOpaquePtr(); |
| 482 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->LongDoubleTy)) |
| 483 | return ast_context->LongDoubleTy.getAsOpaquePtr(); |
| 484 | break; |
| 485 | |
| 486 | case DW_ATE_signed: |
| 487 | if (type_name) |
| 488 | { |
| 489 | if (streq(type_name, "int") || |
| 490 | streq(type_name, "signed int")) |
| 491 | { |
| 492 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->IntTy)) |
| 493 | return ast_context->IntTy.getAsOpaquePtr(); |
| 494 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->Int128Ty)) |
| 495 | return ast_context->Int128Ty.getAsOpaquePtr(); |
| 496 | } |
| 497 | |
| 498 | if (streq(type_name, "long int") || |
| 499 | streq(type_name, "long long int") || |
| 500 | streq(type_name, "signed long long")) |
| 501 | { |
| 502 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->LongTy)) |
| 503 | return ast_context->LongTy.getAsOpaquePtr(); |
| 504 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->LongLongTy)) |
| 505 | return ast_context->LongLongTy.getAsOpaquePtr(); |
| 506 | } |
| 507 | |
| 508 | if (streq(type_name, "short") || |
| 509 | streq(type_name, "short int") || |
| 510 | streq(type_name, "signed short") || |
| 511 | streq(type_name, "short signed int")) |
| 512 | { |
| 513 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->ShortTy)) |
| 514 | return ast_context->ShortTy.getAsOpaquePtr(); |
| 515 | } |
| 516 | |
| 517 | if (streq(type_name, "char") || |
| 518 | streq(type_name, "signed char")) |
| 519 | { |
| 520 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->CharTy)) |
| 521 | return ast_context->CharTy.getAsOpaquePtr(); |
| 522 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->SignedCharTy)) |
| 523 | return ast_context->SignedCharTy.getAsOpaquePtr(); |
| 524 | } |
| 525 | |
| 526 | if (streq(type_name, "wchar_t")) |
| 527 | { |
| 528 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->WCharTy)) |
| 529 | return ast_context->WCharTy.getAsOpaquePtr(); |
| 530 | } |
| 531 | |
| 532 | } |
| 533 | // We weren't able to match up a type name, just search by size |
| 534 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->CharTy)) |
| 535 | return ast_context->CharTy.getAsOpaquePtr(); |
| 536 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->ShortTy)) |
| 537 | return ast_context->ShortTy.getAsOpaquePtr(); |
| 538 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->IntTy)) |
| 539 | return ast_context->IntTy.getAsOpaquePtr(); |
| 540 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->LongTy)) |
| 541 | return ast_context->LongTy.getAsOpaquePtr(); |
| 542 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->LongLongTy)) |
| 543 | return ast_context->LongLongTy.getAsOpaquePtr(); |
| 544 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->Int128Ty)) |
| 545 | return ast_context->Int128Ty.getAsOpaquePtr(); |
| 546 | break; |
| 547 | |
| 548 | case DW_ATE_signed_char: |
| 549 | if (type_name) |
| 550 | { |
| 551 | if (streq(type_name, "signed char")) |
| 552 | { |
| 553 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->SignedCharTy)) |
| 554 | return ast_context->SignedCharTy.getAsOpaquePtr(); |
| 555 | } |
| 556 | } |
| 557 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->CharTy)) |
| 558 | return ast_context->CharTy.getAsOpaquePtr(); |
| 559 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->SignedCharTy)) |
| 560 | return ast_context->SignedCharTy.getAsOpaquePtr(); |
| 561 | break; |
| 562 | |
| 563 | case DW_ATE_unsigned: |
| 564 | if (type_name) |
| 565 | { |
| 566 | if (streq(type_name, "unsigned int")) |
| 567 | { |
| 568 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedIntTy)) |
| 569 | return ast_context->UnsignedIntTy.getAsOpaquePtr(); |
| 570 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedInt128Ty)) |
| 571 | return ast_context->UnsignedInt128Ty.getAsOpaquePtr(); |
| 572 | } |
| 573 | |
| 574 | if (streq(type_name, "unsigned int") || |
| 575 | streq(type_name, "long unsigned int") || |
| 576 | streq(type_name, "unsigned long long")) |
| 577 | { |
| 578 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedLongTy)) |
| 579 | return ast_context->UnsignedLongTy.getAsOpaquePtr(); |
| 580 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedLongLongTy)) |
| 581 | return ast_context->UnsignedLongLongTy.getAsOpaquePtr(); |
| 582 | } |
| 583 | |
| 584 | if (streq(type_name, "unsigned short") || |
| 585 | streq(type_name, "short unsigned int")) |
| 586 | { |
| 587 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedShortTy)) |
| 588 | return ast_context->UnsignedShortTy.getAsOpaquePtr(); |
| 589 | } |
| 590 | if (streq(type_name, "unsigned char")) |
| 591 | { |
| 592 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedCharTy)) |
| 593 | return ast_context->UnsignedCharTy.getAsOpaquePtr(); |
| 594 | } |
| 595 | |
| 596 | } |
| 597 | // We weren't able to match up a type name, just search by size |
| 598 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedCharTy)) |
| 599 | return ast_context->UnsignedCharTy.getAsOpaquePtr(); |
| 600 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedShortTy)) |
| 601 | return ast_context->UnsignedShortTy.getAsOpaquePtr(); |
| 602 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedIntTy)) |
| 603 | return ast_context->UnsignedIntTy.getAsOpaquePtr(); |
| 604 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedLongTy)) |
| 605 | return ast_context->UnsignedLongTy.getAsOpaquePtr(); |
| 606 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedLongLongTy)) |
| 607 | return ast_context->UnsignedLongLongTy.getAsOpaquePtr(); |
| 608 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedInt128Ty)) |
| 609 | return ast_context->UnsignedInt128Ty.getAsOpaquePtr(); |
| 610 | break; |
| 611 | |
| 612 | case DW_ATE_unsigned_char: |
| 613 | if (QualTypeMatchesBitSize (bit_size, ast_context, ast_context->UnsignedCharTy)) |
| 614 | return ast_context->UnsignedCharTy.getAsOpaquePtr(); |
| 615 | break; |
| 616 | |
| 617 | case DW_ATE_imaginary_float: |
| 618 | break; |
| 619 | } |
| 620 | } |
| 621 | // This assert should fire for anything that we don't catch above so we know |
| 622 | // to fix any issues we run into. |
| 623 | assert (!"error: ClangASTContext::GetClangTypeForDWARFEncodingAndSize() contains an unhandled encoding. Fix this ASAP!"); |
| 624 | return NULL; |
| 625 | } |
| 626 | |
| 627 | void * |
| 628 | ClangASTContext::GetVoidBuiltInType() |
| 629 | { |
| 630 | return getASTContext()->VoidTy.getAsOpaquePtr(); |
| 631 | } |
| 632 | |
| 633 | void * |
| 634 | ClangASTContext::GetCStringType (bool is_const) |
| 635 | { |
| 636 | QualType char_type(getASTContext()->CharTy); |
| 637 | |
| 638 | if (is_const) |
| 639 | char_type.addConst(); |
| 640 | |
| 641 | return getASTContext()->getPointerType(char_type).getAsOpaquePtr(); |
| 642 | } |
| 643 | |
| 644 | void * |
| 645 | ClangASTContext::GetVoidPtrType (bool is_const) |
| 646 | { |
| 647 | return GetVoidPtrType(getASTContext(), is_const); |
| 648 | } |
| 649 | |
| 650 | void * |
| 651 | ClangASTContext::GetVoidPtrType (clang::ASTContext *ast_context, bool is_const) |
| 652 | { |
| 653 | QualType void_ptr_type(ast_context->VoidPtrTy); |
| 654 | |
| 655 | if (is_const) |
| 656 | void_ptr_type.addConst(); |
| 657 | |
| 658 | return void_ptr_type.getAsOpaquePtr(); |
| 659 | } |
| 660 | |
| 661 | void * |
| 662 | ClangASTContext::CopyType(clang::ASTContext *dest_context, |
| 663 | clang::ASTContext *source_context, |
| 664 | void * clang_type) |
| 665 | { |
| 666 | Diagnostic diagnostics; |
| 667 | FileManager file_manager; |
| 668 | ASTImporter importer(diagnostics, |
| 669 | *dest_context, file_manager, |
| 670 | *source_context, file_manager); |
| 671 | QualType ret = importer.Import(QualType::getFromOpaquePtr(clang_type)); |
| 672 | return ret.getAsOpaquePtr(); |
| 673 | } |
| 674 | |
| 675 | #pragma mark CVR modifiers |
| 676 | |
| 677 | void * |
| 678 | ClangASTContext::AddConstModifier (void *clang_type) |
| 679 | { |
| 680 | if (clang_type) |
| 681 | { |
| 682 | QualType result(QualType::getFromOpaquePtr(clang_type)); |
| 683 | result.addConst(); |
| 684 | return result.getAsOpaquePtr(); |
| 685 | } |
| 686 | return NULL; |
| 687 | } |
| 688 | |
| 689 | void * |
| 690 | ClangASTContext::AddRestrictModifier (void *clang_type) |
| 691 | { |
| 692 | if (clang_type) |
| 693 | { |
| 694 | QualType result(QualType::getFromOpaquePtr(clang_type)); |
| 695 | result.getQualifiers().setRestrict (true); |
| 696 | return result.getAsOpaquePtr(); |
| 697 | } |
| 698 | return NULL; |
| 699 | } |
| 700 | |
| 701 | void * |
| 702 | ClangASTContext::AddVolatileModifier (void *clang_type) |
| 703 | { |
| 704 | if (clang_type) |
| 705 | { |
| 706 | QualType result(QualType::getFromOpaquePtr(clang_type)); |
| 707 | result.getQualifiers().setVolatile (true); |
| 708 | return result.getAsOpaquePtr(); |
| 709 | } |
| 710 | return NULL; |
| 711 | } |
| 712 | |
| 713 | #pragma mark Structure, Unions, Classes |
| 714 | |
| 715 | void * |
| 716 | ClangASTContext::CreateRecordType (const char *name, int kind, DeclContext *decl_ctx) |
| 717 | { |
| 718 | ASTContext *ast_context = getASTContext(); |
| 719 | assert (ast_context != NULL); |
| 720 | |
| 721 | if (decl_ctx == NULL) |
| 722 | decl_ctx = ast_context->getTranslationUnitDecl(); |
| 723 | |
| 724 | // NOTE: Eventually CXXRecordDecl will be merged back into RecordDecl and |
| 725 | // we will need to update this code. I was told to currently always use |
| 726 | // the CXXRecordDecl class since we often don't know from debug information |
| 727 | // if something is struct or a class, so we default to always use the more |
| 728 | // complete definition just in case. |
| 729 | CXXRecordDecl *decl = CXXRecordDecl::Create(*ast_context, |
| 730 | (TagDecl::TagKind)kind, |
| 731 | decl_ctx, |
| 732 | SourceLocation(), |
| 733 | name && name[0] ? &ast_context->Idents.get(name) : NULL); |
| 734 | |
| 735 | return ast_context->getTagDeclType(decl).getAsOpaquePtr(); |
| 736 | } |
| 737 | |
| 738 | bool |
| 739 | ClangASTContext::AddFieldToRecordType (void * record_clang_type, const char *name, void * field_type, int access, uint32_t bitfield_bit_size) |
| 740 | { |
| 741 | if (record_clang_type == NULL || field_type == NULL) |
| 742 | return false; |
| 743 | |
| 744 | ASTContext *ast_context = getASTContext(); |
| 745 | IdentifierTable *identifier_table = getIdentifierTable(); |
| 746 | |
| 747 | assert (ast_context != NULL); |
| 748 | assert (identifier_table != NULL); |
| 749 | |
| 750 | QualType record_qual_type(QualType::getFromOpaquePtr(record_clang_type)); |
| 751 | |
| 752 | Type *clang_type = record_qual_type.getTypePtr(); |
| 753 | if (clang_type) |
| 754 | { |
| 755 | const RecordType *record_type = dyn_cast<RecordType>(clang_type); |
| 756 | |
| 757 | if (record_type) |
| 758 | { |
| 759 | RecordDecl *record_decl = record_type->getDecl(); |
| 760 | |
| 761 | CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); |
| 762 | if (cxx_record_decl) |
| 763 | cxx_record_decl->setEmpty (false); |
| 764 | |
| 765 | clang::Expr *bit_width = NULL; |
| 766 | if (bitfield_bit_size != 0) |
| 767 | { |
| 768 | APInt bitfield_bit_size_apint(ast_context->getTypeSize(ast_context->IntTy), bitfield_bit_size); |
| 769 | bit_width = new (*ast_context)IntegerLiteral (bitfield_bit_size_apint, ast_context->IntTy, SourceLocation()); |
| 770 | } |
| 771 | FieldDecl *field = FieldDecl::Create(*ast_context, |
| 772 | record_decl, |
| 773 | SourceLocation(), |
| 774 | name ? &identifier_table->get(name) : NULL, // Identifier |
| 775 | QualType::getFromOpaquePtr(field_type), // Field type |
| 776 | NULL, // DeclaratorInfo * |
| 777 | bit_width, // BitWidth |
| 778 | false); // Mutable |
| 779 | |
| 780 | field->setAccess((AccessSpecifier)access); |
| 781 | |
| 782 | if (field) |
| 783 | { |
| 784 | record_decl->addDecl(field); |
| 785 | return true; |
| 786 | } |
| 787 | } |
| 788 | } |
| 789 | return false; |
| 790 | } |
| 791 | |
| 792 | bool |
| 793 | ClangASTContext::FieldIsBitfield (FieldDecl* field, uint32_t& bitfield_bit_size) |
| 794 | { |
| 795 | return FieldIsBitfield(getASTContext(), field, bitfield_bit_size); |
| 796 | } |
| 797 | |
| 798 | bool |
| 799 | ClangASTContext::FieldIsBitfield |
| 800 | ( |
| 801 | ASTContext *ast_context, |
| 802 | FieldDecl* field, |
| 803 | uint32_t& bitfield_bit_size |
| 804 | ) |
| 805 | { |
| 806 | if (ast_context == NULL || field == NULL) |
| 807 | return false; |
| 808 | |
| 809 | if (field->isBitField()) |
| 810 | { |
| 811 | Expr* bit_width_expr = field->getBitWidth(); |
| 812 | if (bit_width_expr) |
| 813 | { |
| 814 | llvm::APSInt bit_width_apsint; |
| 815 | if (bit_width_expr->isIntegerConstantExpr(bit_width_apsint, *ast_context)) |
| 816 | { |
| 817 | bitfield_bit_size = bit_width_apsint.getLimitedValue(UINT32_MAX); |
| 818 | return true; |
| 819 | } |
| 820 | } |
| 821 | } |
| 822 | return false; |
| 823 | } |
| 824 | |
| 825 | bool |
| 826 | ClangASTContext::RecordHasFields (const RecordDecl *record_decl) |
| 827 | { |
| 828 | if (record_decl == NULL) |
| 829 | return false; |
| 830 | |
| 831 | if (!record_decl->field_empty()) |
| 832 | return true; |
| 833 | |
| 834 | // No fields, lets check this is a CXX record and check the base classes |
| 835 | const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); |
| 836 | if (cxx_record_decl) |
| 837 | { |
| 838 | CXXRecordDecl::base_class_const_iterator base_class, base_class_end; |
| 839 | for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); |
| 840 | base_class != base_class_end; |
| 841 | ++base_class) |
| 842 | { |
| 843 | const CXXRecordDecl *base_class_decl = cast<CXXRecordDecl>(base_class->getType()->getAs<RecordType>()->getDecl()); |
| 844 | if (RecordHasFields(base_class_decl)) |
| 845 | return true; |
| 846 | } |
| 847 | } |
| 848 | return false; |
| 849 | } |
| 850 | |
| 851 | void |
| 852 | ClangASTContext::SetDefaultAccessForRecordFields (void *clang_qual_type, int default_accessibility, int *assigned_accessibilities, size_t num_assigned_accessibilities) |
| 853 | { |
| 854 | if (clang_qual_type) |
| 855 | { |
| 856 | QualType qual_type(QualType::getFromOpaquePtr(clang_qual_type)); |
| 857 | Type *clang_type = qual_type.getTypePtr(); |
| 858 | if (clang_type) |
| 859 | { |
| 860 | RecordType *record_type = dyn_cast<RecordType>(clang_type); |
| 861 | if (record_type) |
| 862 | { |
| 863 | RecordDecl *record_decl = record_type->getDecl(); |
| 864 | if (record_decl) |
| 865 | { |
| 866 | uint32_t field_idx; |
| 867 | RecordDecl::field_iterator field, field_end; |
| 868 | for (field = record_decl->field_begin(), field_end = record_decl->field_end(), field_idx = 0; |
| 869 | field != field_end; |
| 870 | ++field, ++field_idx) |
| 871 | { |
| 872 | // If no accessibility was assigned, assign the correct one |
| 873 | if (field_idx < num_assigned_accessibilities && assigned_accessibilities[field_idx] == clang::AS_none) |
| 874 | field->setAccess ((AccessSpecifier)default_accessibility); |
| 875 | } |
| 876 | } |
| 877 | } |
| 878 | } |
| 879 | } |
| 880 | } |
| 881 | |
| 882 | #pragma mark C++ Base Classes |
| 883 | |
| 884 | CXXBaseSpecifier * |
| 885 | ClangASTContext::CreateBaseClassSpecifier (void *base_class_type, int access, bool is_virtual, bool base_of_class) |
| 886 | { |
| 887 | if (base_class_type) |
| 888 | return new CXXBaseSpecifier(SourceRange(), is_virtual, base_of_class, (AccessSpecifier)access, QualType::getFromOpaquePtr(base_class_type)); |
| 889 | return NULL; |
| 890 | } |
| 891 | |
Greg Clayton | e9d0df4 | 2010-07-02 01:29:13 +0000 | [diff] [blame] | 892 | void |
| 893 | ClangASTContext::DeleteBaseClassSpecifiers (CXXBaseSpecifier **base_classes, unsigned num_base_classes) |
| 894 | { |
| 895 | for (unsigned i=0; i<num_base_classes; ++i) |
| 896 | { |
| 897 | delete base_classes[i]; |
| 898 | base_classes[i] = NULL; |
| 899 | } |
| 900 | } |
| 901 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 902 | bool |
| 903 | ClangASTContext::SetBaseClassesForClassType (void *class_clang_type, CXXBaseSpecifier const * const *base_classes, unsigned num_base_classes) |
| 904 | { |
| 905 | if (class_clang_type) |
| 906 | { |
| 907 | ASTContext *ast_context = getASTContext(); |
| 908 | IdentifierTable *identifier_table = getIdentifierTable(); |
| 909 | |
| 910 | assert (ast_context != NULL); |
| 911 | assert (identifier_table != NULL); |
| 912 | |
| 913 | Type *clang_type = QualType::getFromOpaquePtr(class_clang_type).getTypePtr(); |
| 914 | if (clang_type) |
| 915 | { |
| 916 | RecordType *record_type = dyn_cast<RecordType>(clang_type); |
| 917 | if (record_type) |
| 918 | { |
| 919 | CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_type->getDecl()); |
| 920 | if (cxx_record_decl) |
| 921 | { |
| 922 | //cxx_record_decl->setEmpty (false); |
| 923 | cxx_record_decl->setBases(base_classes, num_base_classes); |
| 924 | return true; |
| 925 | } |
| 926 | } |
| 927 | } |
| 928 | } |
| 929 | return false; |
| 930 | } |
| 931 | |
| 932 | |
| 933 | #pragma mark Aggregate Types |
| 934 | |
| 935 | bool |
| 936 | ClangASTContext::IsAggregateType (void *clang_type) |
| 937 | { |
| 938 | if (clang_type == NULL) |
| 939 | return false; |
| 940 | |
| 941 | QualType qual_type (QualType::getFromOpaquePtr(clang_type)); |
| 942 | |
| 943 | if (qual_type->isAggregateType ()) |
| 944 | return true; |
| 945 | |
| 946 | switch (qual_type->getTypeClass()) |
| 947 | { |
| 948 | case Type::IncompleteArray: |
| 949 | case Type::VariableArray: |
| 950 | case Type::ConstantArray: |
| 951 | case Type::ExtVector: |
| 952 | case Type::Vector: |
| 953 | case Type::Record: |
| 954 | return true; |
| 955 | |
| 956 | case Type::Typedef: |
| 957 | return ClangASTContext::IsAggregateType (cast<TypedefType>(qual_type)->LookThroughTypedefs().getAsOpaquePtr()); |
| 958 | |
| 959 | default: |
| 960 | break; |
| 961 | } |
| 962 | // The clang type does have a value |
| 963 | return false; |
| 964 | } |
| 965 | |
| 966 | uint32_t |
| 967 | ClangASTContext::GetNumChildren (void *clang_qual_type, bool omit_empty_base_classes) |
| 968 | { |
| 969 | if (clang_qual_type == NULL) |
| 970 | return 0; |
| 971 | |
| 972 | uint32_t num_children = 0; |
| 973 | QualType qual_type(QualType::getFromOpaquePtr(clang_qual_type)); |
| 974 | switch (qual_type->getTypeClass()) |
| 975 | { |
| 976 | case Type::Record: |
| 977 | { |
| 978 | const RecordType *record_type = cast<RecordType>(qual_type.getTypePtr()); |
| 979 | const RecordDecl *record_decl = record_type->getDecl(); |
| 980 | assert(record_decl); |
| 981 | const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); |
| 982 | if (cxx_record_decl) |
| 983 | { |
| 984 | if (omit_empty_base_classes) |
| 985 | { |
| 986 | // Check each base classes to see if it or any of its |
| 987 | // base classes contain any fields. This can help |
| 988 | // limit the noise in variable views by not having to |
| 989 | // show base classes that contain no members. |
| 990 | CXXRecordDecl::base_class_const_iterator base_class, base_class_end; |
| 991 | for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); |
| 992 | base_class != base_class_end; |
| 993 | ++base_class) |
| 994 | { |
| 995 | const CXXRecordDecl *base_class_decl = cast<CXXRecordDecl>(base_class->getType()->getAs<RecordType>()->getDecl()); |
| 996 | |
| 997 | // Skip empty base classes |
| 998 | if (RecordHasFields(base_class_decl) == false) |
| 999 | continue; |
| 1000 | |
| 1001 | num_children++; |
| 1002 | } |
| 1003 | } |
| 1004 | else |
| 1005 | { |
| 1006 | // Include all base classes |
| 1007 | num_children += cxx_record_decl->getNumBases(); |
| 1008 | } |
| 1009 | |
| 1010 | } |
| 1011 | RecordDecl::field_iterator field, field_end; |
| 1012 | for (field = record_decl->field_begin(), field_end = record_decl->field_end(); field != field_end; ++field) |
| 1013 | ++num_children; |
| 1014 | } |
| 1015 | break; |
| 1016 | |
| 1017 | case Type::ConstantArray: |
| 1018 | num_children = cast<ConstantArrayType>(qual_type.getTypePtr())->getSize().getLimitedValue(); |
| 1019 | break; |
| 1020 | |
| 1021 | case Type::Pointer: |
| 1022 | { |
| 1023 | PointerType *pointer_type = cast<PointerType>(qual_type.getTypePtr()); |
| 1024 | QualType pointee_type = pointer_type->getPointeeType(); |
| 1025 | uint32_t num_pointee_children = ClangASTContext::GetNumChildren (pointee_type.getAsOpaquePtr(), omit_empty_base_classes); |
| 1026 | // If this type points to a simple type, then it has 1 child |
| 1027 | if (num_pointee_children == 0) |
| 1028 | num_children = 1; |
| 1029 | else |
| 1030 | num_children = num_pointee_children; |
| 1031 | } |
| 1032 | break; |
| 1033 | |
| 1034 | case Type::Typedef: |
| 1035 | num_children = ClangASTContext::GetNumChildren (cast<TypedefType>(qual_type)->LookThroughTypedefs().getAsOpaquePtr(), omit_empty_base_classes); |
| 1036 | break; |
| 1037 | |
| 1038 | default: |
| 1039 | break; |
| 1040 | } |
| 1041 | return num_children; |
| 1042 | } |
| 1043 | |
| 1044 | |
| 1045 | void * |
| 1046 | ClangASTContext::GetChildClangTypeAtIndex |
| 1047 | ( |
| 1048 | const char *parent_name, |
| 1049 | void *parent_clang_type, |
| 1050 | uint32_t idx, |
| 1051 | bool transparent_pointers, |
| 1052 | bool omit_empty_base_classes, |
| 1053 | std::string& child_name, |
| 1054 | uint32_t &child_byte_size, |
| 1055 | int32_t &child_byte_offset, |
| 1056 | uint32_t &child_bitfield_bit_size, |
| 1057 | uint32_t &child_bitfield_bit_offset |
| 1058 | ) |
| 1059 | { |
| 1060 | if (parent_clang_type) |
| 1061 | |
| 1062 | return GetChildClangTypeAtIndex (getASTContext(), |
| 1063 | parent_name, |
| 1064 | parent_clang_type, |
| 1065 | idx, |
| 1066 | transparent_pointers, |
| 1067 | omit_empty_base_classes, |
| 1068 | child_name, |
| 1069 | child_byte_size, |
| 1070 | child_byte_offset, |
| 1071 | child_bitfield_bit_size, |
| 1072 | child_bitfield_bit_offset); |
| 1073 | return NULL; |
| 1074 | } |
| 1075 | |
| 1076 | void * |
| 1077 | ClangASTContext::GetChildClangTypeAtIndex |
| 1078 | ( |
| 1079 | ASTContext *ast_context, |
| 1080 | const char *parent_name, |
| 1081 | void *parent_clang_type, |
| 1082 | uint32_t idx, |
| 1083 | bool transparent_pointers, |
| 1084 | bool omit_empty_base_classes, |
| 1085 | std::string& child_name, |
| 1086 | uint32_t &child_byte_size, |
| 1087 | int32_t &child_byte_offset, |
| 1088 | uint32_t &child_bitfield_bit_size, |
| 1089 | uint32_t &child_bitfield_bit_offset |
| 1090 | ) |
| 1091 | { |
| 1092 | if (parent_clang_type == NULL) |
| 1093 | return NULL; |
| 1094 | |
| 1095 | if (idx < ClangASTContext::GetNumChildren (parent_clang_type, omit_empty_base_classes)) |
| 1096 | { |
| 1097 | uint32_t bit_offset; |
| 1098 | child_bitfield_bit_size = 0; |
| 1099 | child_bitfield_bit_offset = 0; |
| 1100 | QualType parent_qual_type(QualType::getFromOpaquePtr(parent_clang_type)); |
| 1101 | switch (parent_qual_type->getTypeClass()) |
| 1102 | { |
| 1103 | case Type::Record: |
| 1104 | { |
| 1105 | const RecordType *record_type = cast<RecordType>(parent_qual_type.getTypePtr()); |
| 1106 | const RecordDecl *record_decl = record_type->getDecl(); |
| 1107 | assert(record_decl); |
| 1108 | const ASTRecordLayout &record_layout = ast_context->getASTRecordLayout(record_decl); |
| 1109 | uint32_t child_idx = 0; |
| 1110 | |
| 1111 | const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); |
| 1112 | if (cxx_record_decl) |
| 1113 | { |
| 1114 | // We might have base classes to print out first |
| 1115 | CXXRecordDecl::base_class_const_iterator base_class, base_class_end; |
| 1116 | for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); |
| 1117 | base_class != base_class_end; |
| 1118 | ++base_class) |
| 1119 | { |
| 1120 | const CXXRecordDecl *base_class_decl = NULL; |
| 1121 | |
| 1122 | // Skip empty base classes |
| 1123 | if (omit_empty_base_classes) |
| 1124 | { |
| 1125 | base_class_decl = cast<CXXRecordDecl>(base_class->getType()->getAs<RecordType>()->getDecl()); |
| 1126 | if (RecordHasFields(base_class_decl) == false) |
| 1127 | continue; |
| 1128 | } |
| 1129 | |
| 1130 | if (idx == child_idx) |
| 1131 | { |
| 1132 | if (base_class_decl == NULL) |
| 1133 | base_class_decl = cast<CXXRecordDecl>(base_class->getType()->getAs<RecordType>()->getDecl()); |
| 1134 | |
| 1135 | |
| 1136 | if (base_class->isVirtual()) |
| 1137 | bit_offset = record_layout.getVBaseClassOffset(base_class_decl); |
| 1138 | else |
| 1139 | bit_offset = record_layout.getBaseClassOffset(base_class_decl); |
| 1140 | |
| 1141 | // Base classes should be a multiple of 8 bits in size |
| 1142 | assert (bit_offset % 8 == 0); |
| 1143 | child_byte_offset = bit_offset/8; |
| 1144 | std::string base_class_type_name(base_class->getType().getAsString()); |
| 1145 | |
| 1146 | child_name.assign(base_class_type_name.c_str()); |
| 1147 | |
| 1148 | uint64_t clang_type_info_bit_size = ast_context->getTypeSize(base_class->getType()); |
| 1149 | |
| 1150 | // Base classes biut sizes should be a multiple of 8 bits in size |
| 1151 | assert (clang_type_info_bit_size % 8 == 0); |
| 1152 | child_byte_size = clang_type_info_bit_size / 8; |
| 1153 | return base_class->getType().getAsOpaquePtr(); |
| 1154 | } |
| 1155 | // We don't increment the child index in the for loop since we might |
| 1156 | // be skipping empty base classes |
| 1157 | ++child_idx; |
| 1158 | } |
| 1159 | } |
| 1160 | const unsigned num_fields = record_layout.getFieldCount(); |
| 1161 | |
| 1162 | // Make sure index is in range... |
| 1163 | uint32_t field_idx = 0; |
| 1164 | RecordDecl::field_iterator field, field_end; |
| 1165 | for (field = record_decl->field_begin(), field_end = record_decl->field_end(); field != field_end; ++field, ++field_idx, ++child_idx) |
| 1166 | { |
| 1167 | if (idx == child_idx) |
| 1168 | { |
| 1169 | // Print the member type if requested |
| 1170 | // Print the member name and equal sign |
| 1171 | child_name.assign(field->getNameAsString().c_str()); |
| 1172 | |
| 1173 | // Figure out the type byte size (field_type_info.first) and |
| 1174 | // alignment (field_type_info.second) from the AST context. |
| 1175 | std::pair<uint64_t, unsigned> field_type_info = ast_context->getTypeInfo(field->getType()); |
| 1176 | assert(field_idx < num_fields); |
| 1177 | |
| 1178 | child_byte_size = field_type_info.first / 8; |
| 1179 | |
| 1180 | // Figure out the field offset within the current struct/union/class type |
| 1181 | bit_offset = record_layout.getFieldOffset (field_idx); |
| 1182 | child_byte_offset = bit_offset / 8; |
| 1183 | if (ClangASTContext::FieldIsBitfield (ast_context, *field, child_bitfield_bit_size)) |
| 1184 | child_bitfield_bit_offset = bit_offset % 8; |
| 1185 | |
| 1186 | return field->getType().getAsOpaquePtr(); |
| 1187 | } |
| 1188 | } |
| 1189 | } |
| 1190 | break; |
| 1191 | |
| 1192 | case Type::ConstantArray: |
| 1193 | { |
| 1194 | const ConstantArrayType *array = cast<ConstantArrayType>(parent_qual_type.getTypePtr()); |
| 1195 | const uint64_t element_count = array->getSize().getLimitedValue(); |
| 1196 | |
| 1197 | if (idx < element_count) |
| 1198 | { |
| 1199 | std::pair<uint64_t, unsigned> field_type_info = ast_context->getTypeInfo(array->getElementType()); |
| 1200 | |
| 1201 | char element_name[32]; |
| 1202 | ::snprintf (element_name, sizeof (element_name), "%s[%u]", parent_name ? parent_name : "", idx); |
| 1203 | |
| 1204 | child_name.assign(element_name); |
| 1205 | assert(field_type_info.first % 8 == 0); |
| 1206 | child_byte_size = field_type_info.first / 8; |
| 1207 | child_byte_offset = idx * child_byte_size; |
| 1208 | return array->getElementType().getAsOpaquePtr(); |
| 1209 | } |
| 1210 | } |
| 1211 | break; |
| 1212 | |
| 1213 | case Type::Pointer: |
| 1214 | { |
| 1215 | PointerType *pointer_type = cast<PointerType>(parent_qual_type.getTypePtr()); |
| 1216 | QualType pointee_type = pointer_type->getPointeeType(); |
| 1217 | |
| 1218 | if (transparent_pointers && ClangASTContext::IsAggregateType (pointee_type.getAsOpaquePtr())) |
| 1219 | { |
| 1220 | return GetChildClangTypeAtIndex (ast_context, |
| 1221 | parent_name, |
| 1222 | pointer_type->getPointeeType().getAsOpaquePtr(), |
| 1223 | idx, |
| 1224 | transparent_pointers, |
| 1225 | omit_empty_base_classes, |
| 1226 | child_name, |
| 1227 | child_byte_size, |
| 1228 | child_byte_offset, |
| 1229 | child_bitfield_bit_size, |
| 1230 | child_bitfield_bit_offset); |
| 1231 | } |
| 1232 | else |
| 1233 | { |
| 1234 | if (parent_name) |
| 1235 | { |
| 1236 | child_name.assign(1, '*'); |
| 1237 | child_name += parent_name; |
| 1238 | } |
| 1239 | |
| 1240 | // We have a pointer to an simple type |
| 1241 | if (idx == 0) |
| 1242 | { |
| 1243 | std::pair<uint64_t, unsigned> clang_type_info = ast_context->getTypeInfo(pointee_type); |
| 1244 | assert(clang_type_info.first % 8 == 0); |
| 1245 | child_byte_size = clang_type_info.first / 8; |
| 1246 | child_byte_offset = 0; |
| 1247 | return pointee_type.getAsOpaquePtr(); |
| 1248 | } |
| 1249 | } |
| 1250 | } |
| 1251 | break; |
| 1252 | |
| 1253 | case Type::Typedef: |
| 1254 | return GetChildClangTypeAtIndex (ast_context, |
| 1255 | parent_name, |
| 1256 | cast<TypedefType>(parent_qual_type)->LookThroughTypedefs().getAsOpaquePtr(), |
| 1257 | idx, |
| 1258 | transparent_pointers, |
| 1259 | omit_empty_base_classes, |
| 1260 | child_name, |
| 1261 | child_byte_size, |
| 1262 | child_byte_offset, |
| 1263 | child_bitfield_bit_size, |
| 1264 | child_bitfield_bit_offset); |
| 1265 | break; |
| 1266 | |
| 1267 | default: |
| 1268 | break; |
| 1269 | } |
| 1270 | } |
| 1271 | return false; |
| 1272 | } |
| 1273 | |
| 1274 | static inline bool |
| 1275 | BaseSpecifierIsEmpty (const CXXBaseSpecifier *b) |
| 1276 | { |
| 1277 | return ClangASTContext::RecordHasFields(cast<CXXRecordDecl>(b->getType()->getAs<RecordType>()->getDecl())) == false; |
| 1278 | } |
| 1279 | |
| 1280 | static uint32_t |
| 1281 | GetNumBaseClasses (const CXXRecordDecl *cxx_record_decl, bool omit_empty_base_classes) |
| 1282 | { |
| 1283 | uint32_t num_bases = 0; |
| 1284 | if (cxx_record_decl) |
| 1285 | { |
| 1286 | if (omit_empty_base_classes) |
| 1287 | { |
| 1288 | CXXRecordDecl::base_class_const_iterator base_class, base_class_end; |
| 1289 | for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); |
| 1290 | base_class != base_class_end; |
| 1291 | ++base_class) |
| 1292 | { |
| 1293 | // Skip empty base classes |
| 1294 | if (omit_empty_base_classes) |
| 1295 | { |
| 1296 | if (BaseSpecifierIsEmpty (base_class)) |
| 1297 | continue; |
| 1298 | } |
| 1299 | ++num_bases; |
| 1300 | } |
| 1301 | } |
| 1302 | else |
| 1303 | num_bases = cxx_record_decl->getNumBases(); |
| 1304 | } |
| 1305 | return num_bases; |
| 1306 | } |
| 1307 | |
| 1308 | |
| 1309 | static uint32_t |
| 1310 | GetIndexForRecordBase |
| 1311 | ( |
| 1312 | const RecordDecl *record_decl, |
| 1313 | const CXXBaseSpecifier *base_spec, |
| 1314 | bool omit_empty_base_classes |
| 1315 | ) |
| 1316 | { |
| 1317 | uint32_t child_idx = 0; |
| 1318 | |
| 1319 | const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); |
| 1320 | |
| 1321 | // const char *super_name = record_decl->getNameAsCString(); |
| 1322 | // const char *base_name = base_spec->getType()->getAs<RecordType>()->getDecl()->getNameAsCString(); |
| 1323 | // printf ("GetIndexForRecordChild (%s, %s)\n", super_name, base_name); |
| 1324 | // |
| 1325 | if (cxx_record_decl) |
| 1326 | { |
| 1327 | CXXRecordDecl::base_class_const_iterator base_class, base_class_end; |
| 1328 | for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); |
| 1329 | base_class != base_class_end; |
| 1330 | ++base_class) |
| 1331 | { |
| 1332 | if (omit_empty_base_classes) |
| 1333 | { |
| 1334 | if (BaseSpecifierIsEmpty (base_class)) |
| 1335 | continue; |
| 1336 | } |
| 1337 | |
| 1338 | // printf ("GetIndexForRecordChild (%s, %s) base[%u] = %s\n", super_name, base_name, |
| 1339 | // child_idx, |
| 1340 | // base_class->getType()->getAs<RecordType>()->getDecl()->getNameAsCString()); |
| 1341 | // |
| 1342 | // |
| 1343 | if (base_class == base_spec) |
| 1344 | return child_idx; |
| 1345 | ++child_idx; |
| 1346 | } |
| 1347 | } |
| 1348 | |
| 1349 | return UINT32_MAX; |
| 1350 | } |
| 1351 | |
| 1352 | |
| 1353 | static uint32_t |
| 1354 | GetIndexForRecordChild |
| 1355 | ( |
| 1356 | const RecordDecl *record_decl, |
| 1357 | NamedDecl *canonical_decl, |
| 1358 | bool omit_empty_base_classes |
| 1359 | ) |
| 1360 | { |
| 1361 | uint32_t child_idx = GetNumBaseClasses (dyn_cast<CXXRecordDecl>(record_decl), omit_empty_base_classes); |
| 1362 | |
| 1363 | // const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); |
| 1364 | // |
| 1365 | //// printf ("GetIndexForRecordChild (%s, %s)\n", record_decl->getNameAsCString(), canonical_decl->getNameAsCString()); |
| 1366 | // if (cxx_record_decl) |
| 1367 | // { |
| 1368 | // CXXRecordDecl::base_class_const_iterator base_class, base_class_end; |
| 1369 | // for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); |
| 1370 | // base_class != base_class_end; |
| 1371 | // ++base_class) |
| 1372 | // { |
| 1373 | // if (omit_empty_base_classes) |
| 1374 | // { |
| 1375 | // if (BaseSpecifierIsEmpty (base_class)) |
| 1376 | // continue; |
| 1377 | // } |
| 1378 | // |
| 1379 | //// printf ("GetIndexForRecordChild (%s, %s) base[%u] = %s\n", |
| 1380 | //// record_decl->getNameAsCString(), |
| 1381 | //// canonical_decl->getNameAsCString(), |
| 1382 | //// child_idx, |
| 1383 | //// base_class->getType()->getAs<RecordType>()->getDecl()->getNameAsCString()); |
| 1384 | // |
| 1385 | // |
| 1386 | // CXXRecordDecl *curr_base_class_decl = cast<CXXRecordDecl>(base_class->getType()->getAs<RecordType>()->getDecl()); |
| 1387 | // if (curr_base_class_decl == canonical_decl) |
| 1388 | // { |
| 1389 | // return child_idx; |
| 1390 | // } |
| 1391 | // ++child_idx; |
| 1392 | // } |
| 1393 | // } |
| 1394 | // |
| 1395 | // const uint32_t num_bases = child_idx; |
| 1396 | RecordDecl::field_iterator field, field_end; |
| 1397 | for (field = record_decl->field_begin(), field_end = record_decl->field_end(); |
| 1398 | field != field_end; |
| 1399 | ++field, ++child_idx) |
| 1400 | { |
| 1401 | // printf ("GetIndexForRecordChild (%s, %s) field[%u] = %s\n", |
| 1402 | // record_decl->getNameAsCString(), |
| 1403 | // canonical_decl->getNameAsCString(), |
| 1404 | // child_idx - num_bases, |
| 1405 | // field->getNameAsCString()); |
| 1406 | |
| 1407 | if (field->getCanonicalDecl() == canonical_decl) |
| 1408 | return child_idx; |
| 1409 | } |
| 1410 | |
| 1411 | return UINT32_MAX; |
| 1412 | } |
| 1413 | |
| 1414 | // Look for a child member (doesn't include base classes, but it does include |
| 1415 | // their members) in the type hierarchy. Returns an index path into "clang_type" |
| 1416 | // on how to reach the appropriate member. |
| 1417 | // |
| 1418 | // class A |
| 1419 | // { |
| 1420 | // public: |
| 1421 | // int m_a; |
| 1422 | // int m_b; |
| 1423 | // }; |
| 1424 | // |
| 1425 | // class B |
| 1426 | // { |
| 1427 | // }; |
| 1428 | // |
| 1429 | // class C : |
| 1430 | // public B, |
| 1431 | // public A |
| 1432 | // { |
| 1433 | // }; |
| 1434 | // |
| 1435 | // If we have a clang type that describes "class C", and we wanted to looked |
| 1436 | // "m_b" in it: |
| 1437 | // |
| 1438 | // With omit_empty_base_classes == false we would get an integer array back with: |
| 1439 | // { 1, 1 } |
| 1440 | // The first index 1 is the child index for "class A" within class C |
| 1441 | // The second index 1 is the child index for "m_b" within class A |
| 1442 | // |
| 1443 | // With omit_empty_base_classes == true we would get an integer array back with: |
| 1444 | // { 0, 1 } |
| 1445 | // The first index 0 is the child index for "class A" within class C (since class B doesn't have any members it doesn't count) |
| 1446 | // The second index 1 is the child index for "m_b" within class A |
| 1447 | |
| 1448 | size_t |
| 1449 | ClangASTContext::GetIndexOfChildMemberWithName |
| 1450 | ( |
| 1451 | ASTContext *ast_context, |
| 1452 | void *clang_type, |
| 1453 | const char *name, |
| 1454 | bool omit_empty_base_classes, |
| 1455 | std::vector<uint32_t>& child_indexes |
| 1456 | ) |
| 1457 | { |
| 1458 | if (clang_type && name && name[0]) |
| 1459 | { |
| 1460 | QualType qual_type(QualType::getFromOpaquePtr(clang_type)); |
| 1461 | switch (qual_type->getTypeClass()) |
| 1462 | { |
| 1463 | case Type::Record: |
| 1464 | { |
| 1465 | const RecordType *record_type = cast<RecordType>(qual_type.getTypePtr()); |
| 1466 | const RecordDecl *record_decl = record_type->getDecl(); |
| 1467 | |
| 1468 | assert(record_decl); |
| 1469 | uint32_t child_idx = 0; |
| 1470 | |
| 1471 | const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); |
| 1472 | |
| 1473 | // Try and find a field that matches NAME |
| 1474 | RecordDecl::field_iterator field, field_end; |
| 1475 | StringRef name_sref(name); |
| 1476 | for (field = record_decl->field_begin(), field_end = record_decl->field_end(); |
| 1477 | field != field_end; |
| 1478 | ++field, ++child_idx) |
| 1479 | { |
| 1480 | if (field->getName().equals (name_sref)) |
| 1481 | { |
| 1482 | // We have to add on the number of base classes to this index! |
| 1483 | child_indexes.push_back (child_idx + GetNumBaseClasses (cxx_record_decl, omit_empty_base_classes)); |
| 1484 | return child_indexes.size(); |
| 1485 | } |
| 1486 | } |
| 1487 | |
| 1488 | if (cxx_record_decl) |
| 1489 | { |
| 1490 | const RecordDecl *parent_record_decl = cxx_record_decl; |
| 1491 | |
| 1492 | //printf ("parent = %s\n", parent_record_decl->getNameAsCString()); |
| 1493 | |
| 1494 | //const Decl *root_cdecl = cxx_record_decl->getCanonicalDecl(); |
| 1495 | // Didn't find things easily, lets let clang do its thang... |
| 1496 | IdentifierInfo & ident_ref = ast_context->Idents.get(name, name + strlen (name)); |
| 1497 | DeclarationName decl_name(&ident_ref); |
| 1498 | |
| 1499 | CXXBasePaths paths; |
| 1500 | if (cxx_record_decl->lookupInBases(CXXRecordDecl::FindOrdinaryMember, |
| 1501 | decl_name.getAsOpaquePtr(), |
| 1502 | paths)) |
| 1503 | { |
| 1504 | uint32_t child_idx; |
| 1505 | CXXBasePaths::const_paths_iterator path, path_end = paths.end(); |
| 1506 | for (path = paths.begin(); path != path_end; ++path) |
| 1507 | { |
| 1508 | const size_t num_path_elements = path->size(); |
| 1509 | for (size_t e=0; e<num_path_elements; ++e) |
| 1510 | { |
| 1511 | CXXBasePathElement elem = (*path)[e]; |
| 1512 | |
| 1513 | child_idx = GetIndexForRecordBase (parent_record_decl, elem.Base, omit_empty_base_classes); |
| 1514 | if (child_idx == UINT32_MAX) |
| 1515 | { |
| 1516 | child_indexes.clear(); |
| 1517 | return 0; |
| 1518 | } |
| 1519 | else |
| 1520 | { |
| 1521 | child_indexes.push_back (child_idx); |
| 1522 | parent_record_decl = cast<RecordDecl>(elem.Base->getType()->getAs<RecordType>()->getDecl()); |
| 1523 | } |
| 1524 | } |
| 1525 | DeclContext::lookup_iterator named_decl_pos; |
| 1526 | for (named_decl_pos = path->Decls.first; |
| 1527 | named_decl_pos != path->Decls.second && parent_record_decl; |
| 1528 | ++named_decl_pos) |
| 1529 | { |
| 1530 | //printf ("path[%zu] = %s\n", child_indexes.size(), (*named_decl_pos)->getNameAsCString()); |
| 1531 | |
| 1532 | child_idx = GetIndexForRecordChild (parent_record_decl, *named_decl_pos, omit_empty_base_classes); |
| 1533 | if (child_idx == UINT32_MAX) |
| 1534 | { |
| 1535 | child_indexes.clear(); |
| 1536 | return 0; |
| 1537 | } |
| 1538 | else |
| 1539 | { |
| 1540 | child_indexes.push_back (child_idx); |
| 1541 | } |
| 1542 | } |
| 1543 | } |
| 1544 | return child_indexes.size(); |
| 1545 | } |
| 1546 | } |
| 1547 | |
| 1548 | } |
| 1549 | break; |
| 1550 | |
| 1551 | case Type::ConstantArray: |
| 1552 | { |
| 1553 | // const ConstantArrayType *array = cast<ConstantArrayType>(parent_qual_type.getTypePtr()); |
| 1554 | // const uint64_t element_count = array->getSize().getLimitedValue(); |
| 1555 | // |
| 1556 | // if (idx < element_count) |
| 1557 | // { |
| 1558 | // std::pair<uint64_t, unsigned> field_type_info = ast_context->getTypeInfo(array->getElementType()); |
| 1559 | // |
| 1560 | // char element_name[32]; |
| 1561 | // ::snprintf (element_name, sizeof (element_name), "%s[%u]", parent_name ? parent_name : "", idx); |
| 1562 | // |
| 1563 | // child_name.assign(element_name); |
| 1564 | // assert(field_type_info.first % 8 == 0); |
| 1565 | // child_byte_size = field_type_info.first / 8; |
| 1566 | // child_byte_offset = idx * child_byte_size; |
| 1567 | // return array->getElementType().getAsOpaquePtr(); |
| 1568 | // } |
| 1569 | } |
| 1570 | break; |
| 1571 | |
| 1572 | // case Type::MemberPointerType: |
| 1573 | // { |
| 1574 | // MemberPointerType *mem_ptr_type = cast<MemberPointerType>(qual_type.getTypePtr()); |
| 1575 | // QualType pointee_type = mem_ptr_type->getPointeeType(); |
| 1576 | // |
| 1577 | // if (ClangASTContext::IsAggregateType (pointee_type.getAsOpaquePtr())) |
| 1578 | // { |
| 1579 | // return GetIndexOfChildWithName (ast_context, |
| 1580 | // mem_ptr_type->getPointeeType().getAsOpaquePtr(), |
| 1581 | // name); |
| 1582 | // } |
| 1583 | // } |
| 1584 | // break; |
| 1585 | // |
| 1586 | case Type::LValueReference: |
| 1587 | case Type::RValueReference: |
| 1588 | { |
| 1589 | ReferenceType *reference_type = cast<ReferenceType>(qual_type.getTypePtr()); |
| 1590 | QualType pointee_type = reference_type->getPointeeType(); |
| 1591 | |
| 1592 | if (ClangASTContext::IsAggregateType (pointee_type.getAsOpaquePtr())) |
| 1593 | { |
| 1594 | return GetIndexOfChildMemberWithName (ast_context, |
| 1595 | reference_type->getPointeeType().getAsOpaquePtr(), |
| 1596 | name, |
| 1597 | omit_empty_base_classes, |
| 1598 | child_indexes); |
| 1599 | } |
| 1600 | } |
| 1601 | break; |
| 1602 | |
| 1603 | case Type::Pointer: |
| 1604 | { |
| 1605 | PointerType *pointer_type = cast<PointerType>(qual_type.getTypePtr()); |
| 1606 | QualType pointee_type = pointer_type->getPointeeType(); |
| 1607 | |
| 1608 | if (ClangASTContext::IsAggregateType (pointee_type.getAsOpaquePtr())) |
| 1609 | { |
| 1610 | return GetIndexOfChildMemberWithName (ast_context, |
| 1611 | pointer_type->getPointeeType().getAsOpaquePtr(), |
| 1612 | name, |
| 1613 | omit_empty_base_classes, |
| 1614 | child_indexes); |
| 1615 | } |
| 1616 | else |
| 1617 | { |
| 1618 | // if (parent_name) |
| 1619 | // { |
| 1620 | // child_name.assign(1, '*'); |
| 1621 | // child_name += parent_name; |
| 1622 | // } |
| 1623 | // |
| 1624 | // // We have a pointer to an simple type |
| 1625 | // if (idx == 0) |
| 1626 | // { |
| 1627 | // std::pair<uint64_t, unsigned> clang_type_info = ast_context->getTypeInfo(pointee_type); |
| 1628 | // assert(clang_type_info.first % 8 == 0); |
| 1629 | // child_byte_size = clang_type_info.first / 8; |
| 1630 | // child_byte_offset = 0; |
| 1631 | // return pointee_type.getAsOpaquePtr(); |
| 1632 | // } |
| 1633 | } |
| 1634 | } |
| 1635 | break; |
| 1636 | |
| 1637 | case Type::Typedef: |
| 1638 | return GetIndexOfChildMemberWithName (ast_context, |
| 1639 | cast<TypedefType>(qual_type)->LookThroughTypedefs().getAsOpaquePtr(), |
| 1640 | name, |
| 1641 | omit_empty_base_classes, |
| 1642 | child_indexes); |
| 1643 | |
| 1644 | default: |
| 1645 | break; |
| 1646 | } |
| 1647 | } |
| 1648 | return 0; |
| 1649 | } |
| 1650 | |
| 1651 | |
| 1652 | // Get the index of the child of "clang_type" whose name matches. This function |
| 1653 | // doesn't descend into the children, but only looks one level deep and name |
| 1654 | // matches can include base class names. |
| 1655 | |
| 1656 | uint32_t |
| 1657 | ClangASTContext::GetIndexOfChildWithName |
| 1658 | ( |
| 1659 | ASTContext *ast_context, |
| 1660 | void *clang_type, |
| 1661 | const char *name, |
| 1662 | bool omit_empty_base_classes |
| 1663 | ) |
| 1664 | { |
| 1665 | if (clang_type && name && name[0]) |
| 1666 | { |
| 1667 | QualType qual_type(QualType::getFromOpaquePtr(clang_type)); |
| 1668 | switch (qual_type->getTypeClass()) |
| 1669 | { |
| 1670 | case Type::Record: |
| 1671 | { |
| 1672 | const RecordType *record_type = cast<RecordType>(qual_type.getTypePtr()); |
| 1673 | const RecordDecl *record_decl = record_type->getDecl(); |
| 1674 | |
| 1675 | assert(record_decl); |
| 1676 | uint32_t child_idx = 0; |
| 1677 | |
| 1678 | const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); |
| 1679 | |
| 1680 | if (cxx_record_decl) |
| 1681 | { |
| 1682 | CXXRecordDecl::base_class_const_iterator base_class, base_class_end; |
| 1683 | for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); |
| 1684 | base_class != base_class_end; |
| 1685 | ++base_class) |
| 1686 | { |
| 1687 | // Skip empty base classes |
| 1688 | CXXRecordDecl *base_class_decl = cast<CXXRecordDecl>(base_class->getType()->getAs<RecordType>()->getDecl()); |
| 1689 | if (omit_empty_base_classes && RecordHasFields(base_class_decl) == false) |
| 1690 | continue; |
| 1691 | |
| 1692 | if (base_class->getType().getAsString().compare (name) == 0) |
| 1693 | return child_idx; |
| 1694 | ++child_idx; |
| 1695 | } |
| 1696 | } |
| 1697 | |
| 1698 | // Try and find a field that matches NAME |
| 1699 | RecordDecl::field_iterator field, field_end; |
| 1700 | StringRef name_sref(name); |
| 1701 | for (field = record_decl->field_begin(), field_end = record_decl->field_end(); |
| 1702 | field != field_end; |
| 1703 | ++field, ++child_idx) |
| 1704 | { |
| 1705 | if (field->getName().equals (name_sref)) |
| 1706 | return child_idx; |
| 1707 | } |
| 1708 | |
| 1709 | } |
| 1710 | break; |
| 1711 | |
| 1712 | case Type::ConstantArray: |
| 1713 | { |
| 1714 | // const ConstantArrayType *array = cast<ConstantArrayType>(parent_qual_type.getTypePtr()); |
| 1715 | // const uint64_t element_count = array->getSize().getLimitedValue(); |
| 1716 | // |
| 1717 | // if (idx < element_count) |
| 1718 | // { |
| 1719 | // std::pair<uint64_t, unsigned> field_type_info = ast_context->getTypeInfo(array->getElementType()); |
| 1720 | // |
| 1721 | // char element_name[32]; |
| 1722 | // ::snprintf (element_name, sizeof (element_name), "%s[%u]", parent_name ? parent_name : "", idx); |
| 1723 | // |
| 1724 | // child_name.assign(element_name); |
| 1725 | // assert(field_type_info.first % 8 == 0); |
| 1726 | // child_byte_size = field_type_info.first / 8; |
| 1727 | // child_byte_offset = idx * child_byte_size; |
| 1728 | // return array->getElementType().getAsOpaquePtr(); |
| 1729 | // } |
| 1730 | } |
| 1731 | break; |
| 1732 | |
| 1733 | // case Type::MemberPointerType: |
| 1734 | // { |
| 1735 | // MemberPointerType *mem_ptr_type = cast<MemberPointerType>(qual_type.getTypePtr()); |
| 1736 | // QualType pointee_type = mem_ptr_type->getPointeeType(); |
| 1737 | // |
| 1738 | // if (ClangASTContext::IsAggregateType (pointee_type.getAsOpaquePtr())) |
| 1739 | // { |
| 1740 | // return GetIndexOfChildWithName (ast_context, |
| 1741 | // mem_ptr_type->getPointeeType().getAsOpaquePtr(), |
| 1742 | // name); |
| 1743 | // } |
| 1744 | // } |
| 1745 | // break; |
| 1746 | // |
| 1747 | case Type::LValueReference: |
| 1748 | case Type::RValueReference: |
| 1749 | { |
| 1750 | ReferenceType *reference_type = cast<ReferenceType>(qual_type.getTypePtr()); |
| 1751 | QualType pointee_type = reference_type->getPointeeType(); |
| 1752 | |
| 1753 | if (ClangASTContext::IsAggregateType (pointee_type.getAsOpaquePtr())) |
| 1754 | { |
| 1755 | return GetIndexOfChildWithName (ast_context, |
| 1756 | reference_type->getPointeeType().getAsOpaquePtr(), |
| 1757 | name, |
| 1758 | omit_empty_base_classes); |
| 1759 | } |
| 1760 | } |
| 1761 | break; |
| 1762 | |
| 1763 | case Type::Pointer: |
| 1764 | { |
| 1765 | PointerType *pointer_type = cast<PointerType>(qual_type.getTypePtr()); |
| 1766 | QualType pointee_type = pointer_type->getPointeeType(); |
| 1767 | |
| 1768 | if (ClangASTContext::IsAggregateType (pointee_type.getAsOpaquePtr())) |
| 1769 | { |
| 1770 | return GetIndexOfChildWithName (ast_context, |
| 1771 | pointer_type->getPointeeType().getAsOpaquePtr(), |
| 1772 | name, |
| 1773 | omit_empty_base_classes); |
| 1774 | } |
| 1775 | else |
| 1776 | { |
| 1777 | // if (parent_name) |
| 1778 | // { |
| 1779 | // child_name.assign(1, '*'); |
| 1780 | // child_name += parent_name; |
| 1781 | // } |
| 1782 | // |
| 1783 | // // We have a pointer to an simple type |
| 1784 | // if (idx == 0) |
| 1785 | // { |
| 1786 | // std::pair<uint64_t, unsigned> clang_type_info = ast_context->getTypeInfo(pointee_type); |
| 1787 | // assert(clang_type_info.first % 8 == 0); |
| 1788 | // child_byte_size = clang_type_info.first / 8; |
| 1789 | // child_byte_offset = 0; |
| 1790 | // return pointee_type.getAsOpaquePtr(); |
| 1791 | // } |
| 1792 | } |
| 1793 | } |
| 1794 | break; |
| 1795 | |
| 1796 | case Type::Typedef: |
| 1797 | return GetIndexOfChildWithName (ast_context, |
| 1798 | cast<TypedefType>(qual_type)->LookThroughTypedefs().getAsOpaquePtr(), |
| 1799 | name, |
| 1800 | omit_empty_base_classes); |
| 1801 | |
| 1802 | default: |
| 1803 | break; |
| 1804 | } |
| 1805 | } |
| 1806 | return UINT32_MAX; |
| 1807 | } |
| 1808 | |
| 1809 | #pragma mark TagType |
| 1810 | |
| 1811 | bool |
| 1812 | ClangASTContext::SetTagTypeKind (void *tag_clang_type, int kind) |
| 1813 | { |
| 1814 | if (tag_clang_type) |
| 1815 | { |
| 1816 | QualType tag_qual_type(QualType::getFromOpaquePtr(tag_clang_type)); |
| 1817 | Type *clang_type = tag_qual_type.getTypePtr(); |
| 1818 | if (clang_type) |
| 1819 | { |
| 1820 | TagType *tag_type = dyn_cast<TagType>(clang_type); |
| 1821 | if (tag_type) |
| 1822 | { |
| 1823 | TagDecl *tag_decl = dyn_cast<TagDecl>(tag_type->getDecl()); |
| 1824 | if (tag_decl) |
| 1825 | { |
| 1826 | tag_decl->setTagKind ((TagDecl::TagKind)kind); |
| 1827 | return true; |
| 1828 | } |
| 1829 | } |
| 1830 | } |
| 1831 | } |
| 1832 | return false; |
| 1833 | } |
| 1834 | |
| 1835 | |
| 1836 | #pragma mark DeclContext Functions |
| 1837 | |
| 1838 | DeclContext * |
| 1839 | ClangASTContext::GetDeclContextForType (void *clang_type) |
| 1840 | { |
| 1841 | if (clang_type == NULL) |
| 1842 | return NULL; |
| 1843 | |
| 1844 | QualType qual_type(QualType::getFromOpaquePtr(clang_type)); |
| 1845 | switch (qual_type->getTypeClass()) |
| 1846 | { |
| 1847 | case Type::FunctionNoProto: break; |
| 1848 | case Type::FunctionProto: break; |
| 1849 | case Type::IncompleteArray: break; |
| 1850 | case Type::VariableArray: break; |
| 1851 | case Type::ConstantArray: break; |
| 1852 | case Type::ExtVector: break; |
| 1853 | case Type::Vector: break; |
| 1854 | case Type::Builtin: break; |
| 1855 | case Type::ObjCObjectPointer: break; |
| 1856 | case Type::BlockPointer: break; |
| 1857 | case Type::Pointer: break; |
| 1858 | case Type::LValueReference: break; |
| 1859 | case Type::RValueReference: break; |
| 1860 | case Type::MemberPointer: break; |
| 1861 | case Type::Complex: break; |
| 1862 | case Type::ObjCInterface: break; |
| 1863 | case Type::Record: |
| 1864 | return cast<RecordType>(qual_type)->getDecl(); |
| 1865 | case Type::Enum: |
| 1866 | return cast<EnumType>(qual_type)->getDecl(); |
| 1867 | case Type::Typedef: |
| 1868 | return ClangASTContext::GetDeclContextForType (cast<TypedefType>(qual_type)->LookThroughTypedefs().getAsOpaquePtr()); |
| 1869 | |
| 1870 | case Type::TypeOfExpr: break; |
| 1871 | case Type::TypeOf: break; |
| 1872 | case Type::Decltype: break; |
| 1873 | //case Type::QualifiedName: break; |
| 1874 | case Type::TemplateSpecialization: break; |
| 1875 | } |
| 1876 | // No DeclContext in this type... |
| 1877 | return NULL; |
| 1878 | } |
| 1879 | |
| 1880 | #pragma mark Namespace Declarations |
| 1881 | |
| 1882 | NamespaceDecl * |
| 1883 | ClangASTContext::GetUniqueNamespaceDeclaration (const char *name, const Declaration &decl, DeclContext *decl_ctx) |
| 1884 | { |
| 1885 | // TODO: Do something intelligent with the Declaration object passed in |
| 1886 | // like maybe filling in the SourceLocation with it... |
| 1887 | if (name) |
| 1888 | { |
| 1889 | ASTContext *ast_context = getASTContext(); |
| 1890 | if (decl_ctx == NULL) |
| 1891 | decl_ctx = ast_context->getTranslationUnitDecl(); |
| 1892 | return NamespaceDecl::Create(*ast_context, decl_ctx, SourceLocation(), &ast_context->Idents.get(name)); |
| 1893 | } |
| 1894 | return NULL; |
| 1895 | } |
| 1896 | |
| 1897 | |
| 1898 | #pragma mark Function Types |
| 1899 | |
| 1900 | FunctionDecl * |
| 1901 | ClangASTContext::CreateFunctionDeclaration (const char *name, void *function_clang_type, int storage, bool is_inline) |
| 1902 | { |
| 1903 | if (name) |
| 1904 | { |
| 1905 | ASTContext *ast_context = getASTContext(); |
| 1906 | assert (ast_context != NULL); |
| 1907 | |
| 1908 | if (name && name[0]) |
| 1909 | { |
| 1910 | return FunctionDecl::Create(*ast_context, |
| 1911 | ast_context->getTranslationUnitDecl(), |
| 1912 | SourceLocation(), |
| 1913 | DeclarationName (&ast_context->Idents.get(name)), |
| 1914 | QualType::getFromOpaquePtr(function_clang_type), |
| 1915 | NULL, |
| 1916 | (FunctionDecl::StorageClass)storage, |
| 1917 | (FunctionDecl::StorageClass)storage, |
| 1918 | is_inline); |
| 1919 | } |
| 1920 | else |
| 1921 | { |
| 1922 | return FunctionDecl::Create(*ast_context, |
| 1923 | ast_context->getTranslationUnitDecl(), |
| 1924 | SourceLocation(), |
| 1925 | DeclarationName (), |
| 1926 | QualType::getFromOpaquePtr(function_clang_type), |
| 1927 | NULL, |
| 1928 | (FunctionDecl::StorageClass)storage, |
| 1929 | (FunctionDecl::StorageClass)storage, |
| 1930 | is_inline); |
| 1931 | } |
| 1932 | } |
| 1933 | return NULL; |
| 1934 | } |
| 1935 | |
| 1936 | void * |
| 1937 | ClangASTContext::CreateFunctionType (void *result_type, void **args, unsigned num_args, bool isVariadic, unsigned TypeQuals) |
| 1938 | { |
| 1939 | ASTContext *ast_context = getASTContext(); |
| 1940 | assert (ast_context != NULL); |
| 1941 | std::vector<QualType> qual_type_args; |
| 1942 | for (unsigned i=0; i<num_args; ++i) |
| 1943 | qual_type_args.push_back (QualType::getFromOpaquePtr(args[i])); |
| 1944 | |
| 1945 | // TODO: Detect calling convention in DWARF? |
| 1946 | return ast_context->getFunctionType(QualType::getFromOpaquePtr(result_type), |
| 1947 | qual_type_args.data(), |
| 1948 | qual_type_args.size(), |
| 1949 | isVariadic, |
| 1950 | TypeQuals, |
| 1951 | false, // hasExceptionSpec |
| 1952 | false, // hasAnyExceptionSpec, |
| 1953 | 0, // NumExs |
| 1954 | 0, // const QualType *ExArray |
| 1955 | FunctionType::ExtInfo ()).getAsOpaquePtr(); // NoReturn); |
| 1956 | } |
| 1957 | |
| 1958 | ParmVarDecl * |
| 1959 | ClangASTContext::CreateParmeterDeclaration (const char *name, void * return_type, int storage) |
| 1960 | { |
| 1961 | ASTContext *ast_context = getASTContext(); |
| 1962 | assert (ast_context != NULL); |
| 1963 | return ParmVarDecl::Create(*ast_context, |
| 1964 | ast_context->getTranslationUnitDecl(), |
| 1965 | SourceLocation(), |
| 1966 | name && name[0] ? &ast_context->Idents.get(name) : NULL, |
| 1967 | QualType::getFromOpaquePtr(return_type), |
| 1968 | NULL, |
| 1969 | (VarDecl::StorageClass)storage, |
| 1970 | (VarDecl::StorageClass)storage, |
| 1971 | 0); |
| 1972 | } |
| 1973 | |
| 1974 | void |
| 1975 | ClangASTContext::SetFunctionParameters (FunctionDecl *function_decl, ParmVarDecl **params, unsigned num_params) |
| 1976 | { |
| 1977 | if (function_decl) |
| 1978 | function_decl->setParams (params, num_params); |
| 1979 | } |
| 1980 | |
| 1981 | |
| 1982 | #pragma mark Array Types |
| 1983 | |
| 1984 | void * |
| 1985 | ClangASTContext::CreateArrayType (void *element_type, size_t element_count, uint32_t bit_stride) |
| 1986 | { |
| 1987 | if (element_type) |
| 1988 | { |
| 1989 | ASTContext *ast_context = getASTContext(); |
| 1990 | assert (ast_context != NULL); |
| 1991 | llvm::APInt ap_element_count (64, element_count); |
| 1992 | return ast_context->getConstantArrayType(QualType::getFromOpaquePtr(element_type), |
| 1993 | ap_element_count, |
| 1994 | ArrayType::Normal, |
| 1995 | 0).getAsOpaquePtr(); // ElemQuals |
| 1996 | } |
| 1997 | return NULL; |
| 1998 | } |
| 1999 | |
| 2000 | |
| 2001 | #pragma mark TagDecl |
| 2002 | |
| 2003 | bool |
| 2004 | ClangASTContext::StartTagDeclarationDefinition (void *clang_type) |
| 2005 | { |
| 2006 | if (clang_type) |
| 2007 | { |
| 2008 | QualType qual_type (QualType::getFromOpaquePtr(clang_type)); |
| 2009 | Type *t = qual_type.getTypePtr(); |
| 2010 | if (t) |
| 2011 | { |
| 2012 | TagType *tag_type = dyn_cast<TagType>(t); |
| 2013 | if (tag_type) |
| 2014 | { |
| 2015 | TagDecl *tag_decl = tag_type->getDecl(); |
| 2016 | if (tag_decl) |
| 2017 | { |
| 2018 | tag_decl->startDefinition(); |
| 2019 | return true; |
| 2020 | } |
| 2021 | } |
| 2022 | } |
| 2023 | } |
| 2024 | return false; |
| 2025 | } |
| 2026 | |
| 2027 | bool |
| 2028 | ClangASTContext::CompleteTagDeclarationDefinition (void *clang_type) |
| 2029 | { |
| 2030 | if (clang_type) |
| 2031 | { |
| 2032 | QualType qual_type (QualType::getFromOpaquePtr(clang_type)); |
| 2033 | Type *t = qual_type.getTypePtr(); |
| 2034 | if (t) |
| 2035 | { |
| 2036 | TagType *tag_type = dyn_cast<TagType>(t); |
| 2037 | if (tag_type) |
| 2038 | { |
| 2039 | TagDecl *tag_decl = tag_type->getDecl(); |
| 2040 | if (tag_decl) |
| 2041 | { |
| 2042 | tag_decl->completeDefinition(); |
| 2043 | return true; |
| 2044 | } |
| 2045 | } |
| 2046 | } |
| 2047 | } |
| 2048 | return false; |
| 2049 | } |
| 2050 | |
| 2051 | |
| 2052 | #pragma mark Enumeration Types |
| 2053 | |
| 2054 | void * |
| 2055 | ClangASTContext::CreateEnumerationType (const Declaration &decl, const char *name) |
| 2056 | { |
| 2057 | // TODO: Do something intelligent with the Declaration object passed in |
| 2058 | // like maybe filling in the SourceLocation with it... |
| 2059 | ASTContext *ast_context = getASTContext(); |
| 2060 | assert (ast_context != NULL); |
| 2061 | EnumDecl *enum_decl = EnumDecl::Create(*ast_context, |
| 2062 | ast_context->getTranslationUnitDecl(), |
| 2063 | SourceLocation(), |
| 2064 | name && name[0] ? &ast_context->Idents.get(name) : NULL, |
| 2065 | SourceLocation(), |
| 2066 | NULL); |
| 2067 | if (enum_decl) |
| 2068 | return ast_context->getTagDeclType(enum_decl).getAsOpaquePtr(); |
| 2069 | return NULL; |
| 2070 | } |
| 2071 | |
| 2072 | bool |
| 2073 | ClangASTContext::AddEnumerationValueToEnumerationType |
| 2074 | ( |
| 2075 | void *enum_clang_type, |
| 2076 | void *enumerator_clang_type, |
| 2077 | const Declaration &decl, |
| 2078 | const char *name, |
| 2079 | int64_t enum_value, |
| 2080 | uint32_t enum_value_bit_size |
| 2081 | ) |
| 2082 | { |
| 2083 | if (enum_clang_type && enumerator_clang_type && name) |
| 2084 | { |
| 2085 | // TODO: Do something intelligent with the Declaration object passed in |
| 2086 | // like maybe filling in the SourceLocation with it... |
| 2087 | ASTContext *ast_context = getASTContext(); |
| 2088 | IdentifierTable *identifier_table = getIdentifierTable(); |
| 2089 | |
| 2090 | assert (ast_context != NULL); |
| 2091 | assert (identifier_table != NULL); |
| 2092 | QualType enum_qual_type (QualType::getFromOpaquePtr(enum_clang_type)); |
| 2093 | |
| 2094 | Type *clang_type = enum_qual_type.getTypePtr(); |
| 2095 | if (clang_type) |
| 2096 | { |
| 2097 | const EnumType *enum_type = dyn_cast<EnumType>(clang_type); |
| 2098 | |
| 2099 | if (enum_type) |
| 2100 | { |
| 2101 | llvm::APSInt enum_llvm_apsint(enum_value_bit_size, false); |
| 2102 | enum_llvm_apsint = enum_value; |
| 2103 | EnumConstantDecl *enumerator_decl = |
| 2104 | EnumConstantDecl::Create(*ast_context, |
| 2105 | enum_type->getDecl(), |
| 2106 | SourceLocation(), |
| 2107 | name ? &identifier_table->get(name) : NULL, // Identifier |
| 2108 | QualType::getFromOpaquePtr(enumerator_clang_type), |
| 2109 | NULL, |
| 2110 | enum_llvm_apsint); |
| 2111 | |
| 2112 | if (enumerator_decl) |
| 2113 | { |
| 2114 | enum_type->getDecl()->addDecl(enumerator_decl); |
| 2115 | return true; |
| 2116 | } |
| 2117 | } |
| 2118 | } |
| 2119 | } |
| 2120 | return false; |
| 2121 | } |
| 2122 | |
| 2123 | #pragma mark Pointers & References |
| 2124 | |
| 2125 | void * |
| 2126 | ClangASTContext::CreatePointerType (void *clang_type) |
| 2127 | { |
| 2128 | if (clang_type) |
| 2129 | return getASTContext()->getPointerType(QualType::getFromOpaquePtr(clang_type)).getAsOpaquePtr(); |
| 2130 | return NULL; |
| 2131 | } |
| 2132 | |
| 2133 | void * |
| 2134 | ClangASTContext::CreateLValueReferenceType (void *clang_type) |
| 2135 | { |
| 2136 | if (clang_type) |
| 2137 | return getASTContext()->getLValueReferenceType (QualType::getFromOpaquePtr(clang_type)).getAsOpaquePtr(); |
| 2138 | return NULL; |
| 2139 | } |
| 2140 | |
| 2141 | void * |
| 2142 | ClangASTContext::CreateRValueReferenceType (void *clang_type) |
| 2143 | { |
| 2144 | if (clang_type) |
| 2145 | return getASTContext()->getRValueReferenceType (QualType::getFromOpaquePtr(clang_type)).getAsOpaquePtr(); |
| 2146 | return NULL; |
| 2147 | } |
| 2148 | |
Greg Clayton | fa97069 | 2010-06-12 01:20:30 +0000 | [diff] [blame] | 2149 | void * |
| 2150 | ClangASTContext::CreateMemberPointerType (void * clang_pointee_type, void * clang_class_type) |
| 2151 | { |
| 2152 | if (clang_pointee_type && clang_pointee_type) |
| 2153 | return getASTContext()->getMemberPointerType(QualType::getFromOpaquePtr(clang_pointee_type), |
| 2154 | QualType::getFromOpaquePtr(clang_class_type).getTypePtr()).getAsOpaquePtr(); |
| 2155 | return NULL; |
| 2156 | } |
| 2157 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 2158 | size_t |
| 2159 | ClangASTContext::GetPointerBitSize () |
| 2160 | { |
| 2161 | ASTContext *ast_context = getASTContext(); |
| 2162 | return ast_context->getTypeSize(ast_context->VoidPtrTy); |
| 2163 | } |
| 2164 | |
| 2165 | bool |
| 2166 | ClangASTContext::IsPointerOrReferenceType (void *clang_type, void **target_type) |
| 2167 | { |
| 2168 | if (clang_type == NULL) |
| 2169 | return false; |
| 2170 | |
| 2171 | QualType qual_type (QualType::getFromOpaquePtr(clang_type)); |
| 2172 | switch (qual_type->getTypeClass()) |
| 2173 | { |
| 2174 | case Type::ObjCObjectPointer: |
| 2175 | if (target_type) |
| 2176 | *target_type = cast<ObjCObjectPointerType>(qual_type)->getPointeeType().getAsOpaquePtr(); |
| 2177 | return true; |
| 2178 | case Type::BlockPointer: |
| 2179 | if (target_type) |
| 2180 | *target_type = cast<BlockPointerType>(qual_type)->getPointeeType().getAsOpaquePtr(); |
| 2181 | return true; |
| 2182 | case Type::Pointer: |
| 2183 | if (target_type) |
| 2184 | *target_type = cast<PointerType>(qual_type)->getPointeeType().getAsOpaquePtr(); |
| 2185 | return true; |
| 2186 | case Type::MemberPointer: |
| 2187 | if (target_type) |
| 2188 | *target_type = cast<MemberPointerType>(qual_type)->getPointeeType().getAsOpaquePtr(); |
| 2189 | return true; |
| 2190 | case Type::LValueReference: |
| 2191 | if (target_type) |
| 2192 | *target_type = cast<LValueReferenceType>(qual_type)->desugar().getAsOpaquePtr(); |
| 2193 | return true; |
| 2194 | case Type::RValueReference: |
| 2195 | if (target_type) |
| 2196 | *target_type = cast<LValueReferenceType>(qual_type)->desugar().getAsOpaquePtr(); |
| 2197 | return true; |
| 2198 | case Type::Typedef: |
| 2199 | return ClangASTContext::IsPointerOrReferenceType (cast<TypedefType>(qual_type)->LookThroughTypedefs().getAsOpaquePtr()); |
| 2200 | default: |
| 2201 | break; |
| 2202 | } |
| 2203 | return false; |
| 2204 | } |
| 2205 | |
| 2206 | size_t |
| 2207 | ClangASTContext::GetTypeBitSize (clang::ASTContext *ast_context, void *clang_type) |
| 2208 | { |
| 2209 | if (clang_type) |
| 2210 | return ast_context->getTypeSize(QualType::getFromOpaquePtr(clang_type)); |
| 2211 | return 0; |
| 2212 | } |
| 2213 | |
| 2214 | size_t |
| 2215 | ClangASTContext::GetTypeBitAlign (clang::ASTContext *ast_context, void *clang_type) |
| 2216 | { |
| 2217 | if (clang_type) |
| 2218 | return ast_context->getTypeAlign(QualType::getFromOpaquePtr(clang_type)); |
| 2219 | return 0; |
| 2220 | } |
| 2221 | |
| 2222 | bool |
| 2223 | ClangASTContext::IsIntegerType (void * clang_type, bool &is_signed) |
| 2224 | { |
| 2225 | if (!clang_type) |
| 2226 | return false; |
| 2227 | |
| 2228 | QualType qual_type (QualType::getFromOpaquePtr(clang_type)); |
| 2229 | const BuiltinType *builtin_type = dyn_cast<BuiltinType>(qual_type->getCanonicalTypeInternal()); |
| 2230 | |
| 2231 | if (builtin_type) |
| 2232 | { |
| 2233 | if (builtin_type->isInteger()) |
| 2234 | is_signed = builtin_type->isSignedInteger(); |
| 2235 | |
| 2236 | return true; |
| 2237 | } |
| 2238 | |
| 2239 | return false; |
| 2240 | } |
| 2241 | |
| 2242 | bool |
| 2243 | ClangASTContext::IsPointerType (void *clang_type, void **target_type) |
| 2244 | { |
| 2245 | if (clang_type) |
| 2246 | { |
| 2247 | QualType qual_type (QualType::getFromOpaquePtr(clang_type)); |
| 2248 | switch (qual_type->getTypeClass()) |
| 2249 | { |
| 2250 | case Type::ObjCObjectPointer: |
| 2251 | if (target_type) |
| 2252 | *target_type = cast<ObjCObjectPointerType>(qual_type)->getPointeeType().getAsOpaquePtr(); |
| 2253 | return true; |
| 2254 | case Type::BlockPointer: |
| 2255 | if (target_type) |
| 2256 | *target_type = cast<BlockPointerType>(qual_type)->getPointeeType().getAsOpaquePtr(); |
| 2257 | return true; |
| 2258 | case Type::Pointer: |
| 2259 | if (target_type) |
| 2260 | *target_type = cast<PointerType>(qual_type)->getPointeeType().getAsOpaquePtr(); |
| 2261 | return true; |
| 2262 | case Type::MemberPointer: |
| 2263 | if (target_type) |
| 2264 | *target_type = cast<MemberPointerType>(qual_type)->getPointeeType().getAsOpaquePtr(); |
| 2265 | return true; |
| 2266 | case Type::Typedef: |
| 2267 | return ClangASTContext::IsPointerOrReferenceType (cast<TypedefType>(qual_type)->LookThroughTypedefs().getAsOpaquePtr(), target_type); |
| 2268 | default: |
| 2269 | break; |
| 2270 | } |
| 2271 | } |
| 2272 | return false; |
| 2273 | } |
| 2274 | |
| 2275 | bool |
| 2276 | ClangASTContext::IsFloatingPointType (void *clang_type, uint32_t &count, bool &is_complex) |
| 2277 | { |
| 2278 | if (clang_type) |
| 2279 | { |
| 2280 | QualType qual_type (QualType::getFromOpaquePtr(clang_type)); |
| 2281 | |
| 2282 | if (const BuiltinType *BT = dyn_cast<BuiltinType>(qual_type->getCanonicalTypeInternal())) |
| 2283 | { |
| 2284 | clang::BuiltinType::Kind kind = BT->getKind(); |
| 2285 | if (kind >= BuiltinType::Float && kind <= BuiltinType::LongDouble) |
| 2286 | { |
| 2287 | count = 1; |
| 2288 | is_complex = false; |
| 2289 | return true; |
| 2290 | } |
| 2291 | } |
| 2292 | else if (const ComplexType *CT = dyn_cast<ComplexType>(qual_type->getCanonicalTypeInternal())) |
| 2293 | { |
| 2294 | if (IsFloatingPointType(CT->getElementType().getAsOpaquePtr(), count, is_complex)) |
| 2295 | { |
| 2296 | count = 2; |
| 2297 | is_complex = true; |
| 2298 | return true; |
| 2299 | } |
| 2300 | } |
| 2301 | else if (const VectorType *VT = dyn_cast<VectorType>(qual_type->getCanonicalTypeInternal())) |
| 2302 | { |
| 2303 | if (IsFloatingPointType(VT->getElementType().getAsOpaquePtr(), count, is_complex)) |
| 2304 | { |
| 2305 | count = VT->getNumElements(); |
| 2306 | is_complex = false; |
| 2307 | return true; |
| 2308 | } |
| 2309 | } |
| 2310 | } |
| 2311 | return false; |
| 2312 | } |
| 2313 | |
| 2314 | |
| 2315 | bool |
| 2316 | ClangASTContext::IsCStringType (void *clang_type, uint32_t &length) |
| 2317 | { |
| 2318 | if (clang_type) |
| 2319 | { |
| 2320 | QualType qual_type (QualType::getFromOpaquePtr(clang_type)); |
| 2321 | switch (qual_type->getTypeClass()) |
| 2322 | { |
| 2323 | case Type::ConstantArray: |
| 2324 | { |
| 2325 | ConstantArrayType *array = cast<ConstantArrayType>(qual_type.getTypePtr()); |
| 2326 | QualType element_qual_type = array->getElementType(); |
| 2327 | Type *canonical_type = element_qual_type->getCanonicalTypeInternal().getTypePtr(); |
| 2328 | if (canonical_type && canonical_type->isCharType()) |
| 2329 | { |
| 2330 | // We know the size of the array and it could be a C string |
| 2331 | // since it is an array of characters |
| 2332 | length = array->getSize().getLimitedValue(); |
| 2333 | return true; |
| 2334 | } |
| 2335 | } |
| 2336 | break; |
| 2337 | |
| 2338 | case Type::Pointer: |
| 2339 | { |
| 2340 | PointerType *pointer_type = cast<PointerType>(qual_type.getTypePtr()); |
| 2341 | Type *pointee_type_ptr = pointer_type->getPointeeType().getTypePtr(); |
| 2342 | if (pointee_type_ptr) |
| 2343 | { |
| 2344 | Type *canonical_type_ptr = pointee_type_ptr->getCanonicalTypeInternal().getTypePtr(); |
| 2345 | length = 0; // No length info, read until a NULL terminator is received |
| 2346 | if (canonical_type_ptr) |
| 2347 | return canonical_type_ptr->isCharType(); |
| 2348 | else |
| 2349 | return pointee_type_ptr->isCharType(); |
| 2350 | } |
| 2351 | } |
| 2352 | break; |
| 2353 | |
| 2354 | case Type::Typedef: |
| 2355 | return ClangASTContext::IsCStringType (cast<TypedefType>(qual_type)->LookThroughTypedefs().getAsOpaquePtr(), length); |
| 2356 | |
| 2357 | case Type::LValueReference: |
| 2358 | case Type::RValueReference: |
| 2359 | { |
| 2360 | ReferenceType *reference_type = cast<ReferenceType>(qual_type.getTypePtr()); |
| 2361 | Type *pointee_type_ptr = reference_type->getPointeeType().getTypePtr(); |
| 2362 | if (pointee_type_ptr) |
| 2363 | { |
| 2364 | Type *canonical_type_ptr = pointee_type_ptr->getCanonicalTypeInternal().getTypePtr(); |
| 2365 | length = 0; // No length info, read until a NULL terminator is received |
| 2366 | if (canonical_type_ptr) |
| 2367 | return canonical_type_ptr->isCharType(); |
| 2368 | else |
| 2369 | return pointee_type_ptr->isCharType(); |
| 2370 | } |
| 2371 | } |
| 2372 | break; |
| 2373 | } |
| 2374 | } |
| 2375 | return false; |
| 2376 | } |
| 2377 | |
| 2378 | bool |
| 2379 | ClangASTContext::IsArrayType (void * clang_type, void **member_type, uint64_t *size) |
| 2380 | { |
| 2381 | if (!clang_type) |
| 2382 | return false; |
| 2383 | |
| 2384 | QualType qual_type (QualType::getFromOpaquePtr(clang_type)); |
| 2385 | |
| 2386 | switch (qual_type->getTypeClass()) |
| 2387 | { |
| 2388 | case Type::ConstantArray: |
| 2389 | if (member_type) |
| 2390 | *member_type = cast<ConstantArrayType>(qual_type)->getElementType().getAsOpaquePtr(); |
| 2391 | if (size) |
| 2392 | *size = cast<ConstantArrayType>(qual_type)->getSize().getLimitedValue(ULONG_LONG_MAX); |
| 2393 | return true; |
| 2394 | case Type::IncompleteArray: |
| 2395 | if (member_type) |
| 2396 | *member_type = cast<IncompleteArrayType>(qual_type)->getElementType().getAsOpaquePtr(); |
| 2397 | if (size) |
| 2398 | *size = 0; |
| 2399 | return true; |
| 2400 | case Type::VariableArray: |
| 2401 | if (member_type) |
| 2402 | *member_type = cast<VariableArrayType>(qual_type)->getElementType().getAsOpaquePtr(); |
| 2403 | if (size) |
| 2404 | *size = 0; |
| 2405 | case Type::DependentSizedArray: |
| 2406 | if (member_type) |
| 2407 | *member_type = cast<DependentSizedArrayType>(qual_type)->getElementType().getAsOpaquePtr(); |
| 2408 | if (size) |
| 2409 | *size = 0; |
| 2410 | return true; |
| 2411 | } |
| 2412 | return false; |
| 2413 | } |
| 2414 | |
| 2415 | |
| 2416 | #pragma mark Typedefs |
| 2417 | |
| 2418 | void * |
| 2419 | ClangASTContext::CreateTypedefType (const char *name, void *clang_type, DeclContext *decl_ctx) |
| 2420 | { |
| 2421 | if (clang_type) |
| 2422 | { |
| 2423 | QualType qual_type (QualType::getFromOpaquePtr(clang_type)); |
| 2424 | ASTContext *ast_context = getASTContext(); |
| 2425 | IdentifierTable *identifier_table = getIdentifierTable(); |
| 2426 | assert (ast_context != NULL); |
| 2427 | assert (identifier_table != NULL); |
| 2428 | if (decl_ctx == NULL) |
| 2429 | decl_ctx = ast_context->getTranslationUnitDecl(); |
| 2430 | TypedefDecl *decl = TypedefDecl::Create(*ast_context, |
| 2431 | decl_ctx, |
| 2432 | SourceLocation(), |
| 2433 | name ? &identifier_table->get(name) : NULL, // Identifier |
| 2434 | ast_context->CreateTypeSourceInfo(qual_type)); |
| 2435 | |
| 2436 | // Get a uniqued QualType for the typedef decl type |
| 2437 | return ast_context->getTypedefType (decl).getAsOpaquePtr(); |
| 2438 | } |
| 2439 | return NULL; |
| 2440 | } |
| 2441 | |
| 2442 | |
| 2443 | std::string |
| 2444 | ClangASTContext::GetTypeName (void *opaque_qual_type) |
| 2445 | { |
| 2446 | std::string return_name; |
| 2447 | |
| 2448 | clang::QualType qual_type(clang::QualType::getFromOpaquePtr(opaque_qual_type)); |
| 2449 | |
| 2450 | const clang::TypedefType *typedef_type = qual_type->getAs<clang::TypedefType>(); |
| 2451 | if (typedef_type) |
| 2452 | { |
| 2453 | const clang::TypedefDecl *typedef_decl = typedef_type->getDecl(); |
| 2454 | return_name = typedef_decl->getQualifiedNameAsString(); |
| 2455 | } |
| 2456 | else |
| 2457 | { |
| 2458 | return_name = qual_type.getAsString(); |
| 2459 | } |
| 2460 | |
| 2461 | return return_name; |
| 2462 | } |
| 2463 | |
| 2464 | // Disable this for now since I can't seem to get a nicely formatted float |
| 2465 | // out of the APFloat class without just getting the float, double or quad |
| 2466 | // and then using a formatted print on it which defeats the purpose. We ideally |
| 2467 | // would like to get perfect string values for any kind of float semantics |
| 2468 | // so we can support remote targets. The code below also requires a patch to |
| 2469 | // llvm::APInt. |
| 2470 | //bool |
| 2471 | //ClangASTContext::ConvertFloatValueToString (ASTContext *ast_context, void *clang_type, const uint8_t* bytes, size_t byte_size, int apint_byte_order, std::string &float_str) |
| 2472 | //{ |
| 2473 | // uint32_t count = 0; |
| 2474 | // bool is_complex = false; |
| 2475 | // if (ClangASTContext::IsFloatingPointType (clang_type, count, is_complex)) |
| 2476 | // { |
| 2477 | // unsigned num_bytes_per_float = byte_size / count; |
| 2478 | // unsigned num_bits_per_float = num_bytes_per_float * 8; |
| 2479 | // |
| 2480 | // float_str.clear(); |
| 2481 | // uint32_t i; |
| 2482 | // for (i=0; i<count; i++) |
| 2483 | // { |
| 2484 | // APInt ap_int(num_bits_per_float, bytes + i * num_bytes_per_float, (APInt::ByteOrder)apint_byte_order); |
| 2485 | // bool is_ieee = false; |
| 2486 | // APFloat ap_float(ap_int, is_ieee); |
| 2487 | // char s[1024]; |
| 2488 | // unsigned int hex_digits = 0; |
| 2489 | // bool upper_case = false; |
| 2490 | // |
| 2491 | // if (ap_float.convertToHexString(s, hex_digits, upper_case, APFloat::rmNearestTiesToEven) > 0) |
| 2492 | // { |
| 2493 | // if (i > 0) |
| 2494 | // float_str.append(", "); |
| 2495 | // float_str.append(s); |
| 2496 | // if (i == 1 && is_complex) |
| 2497 | // float_str.append(1, 'i'); |
| 2498 | // } |
| 2499 | // } |
| 2500 | // return !float_str.empty(); |
| 2501 | // } |
| 2502 | // return false; |
| 2503 | //} |
| 2504 | |
| 2505 | size_t |
| 2506 | ClangASTContext::ConvertStringToFloatValue (ASTContext *ast_context, void *clang_type, const char *s, uint8_t *dst, size_t dst_size) |
| 2507 | { |
| 2508 | if (clang_type) |
| 2509 | { |
| 2510 | QualType qual_type (QualType::getFromOpaquePtr(clang_type)); |
| 2511 | uint32_t count = 0; |
| 2512 | bool is_complex = false; |
| 2513 | if (ClangASTContext::IsFloatingPointType (clang_type, count, is_complex)) |
| 2514 | { |
| 2515 | // TODO: handle complex and vector types |
| 2516 | if (count != 1) |
| 2517 | return false; |
| 2518 | |
| 2519 | StringRef s_sref(s); |
| 2520 | APFloat ap_float(ast_context->getFloatTypeSemantics(qual_type), s_sref); |
| 2521 | |
| 2522 | const uint64_t bit_size = ast_context->getTypeSize (qual_type); |
| 2523 | const uint64_t byte_size = bit_size / 8; |
| 2524 | if (dst_size >= byte_size) |
| 2525 | { |
| 2526 | if (bit_size == sizeof(float)*8) |
| 2527 | { |
| 2528 | float float32 = ap_float.convertToFloat(); |
| 2529 | ::memcpy (dst, &float32, byte_size); |
| 2530 | return byte_size; |
| 2531 | } |
| 2532 | else if (bit_size >= 64) |
| 2533 | { |
| 2534 | llvm::APInt ap_int(ap_float.bitcastToAPInt()); |
| 2535 | ::memcpy (dst, ap_int.getRawData(), byte_size); |
| 2536 | return byte_size; |
| 2537 | } |
| 2538 | } |
| 2539 | } |
| 2540 | } |
| 2541 | return 0; |
| 2542 | } |