Peter Collingbourne | 51d7777 | 2011-10-06 13:03:08 +0000 | [diff] [blame] | 1 | //===- ClangAttrEmitter.cpp - Generate Clang attribute handling =-*- 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 | // |
| 10 | // These tablegen backends emit Clang attribute processing code |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "ClangAttrEmitter.h" |
| 15 | #include "llvm/ADT/StringSwitch.h" |
| 16 | #include "llvm/TableGen/Record.h" |
| 17 | #include <algorithm> |
| 18 | #include <cctype> |
| 19 | |
| 20 | using namespace llvm; |
| 21 | |
| 22 | static const std::vector<StringRef> |
| 23 | getValueAsListOfStrings(Record &R, StringRef FieldName) { |
| 24 | ListInit *List = R.getValueAsListInit(FieldName); |
| 25 | assert (List && "Got a null ListInit"); |
| 26 | |
| 27 | std::vector<StringRef> Strings; |
| 28 | Strings.reserve(List->getSize()); |
| 29 | |
| 30 | for (ListInit::const_iterator i = List->begin(), e = List->end(); |
| 31 | i != e; |
| 32 | ++i) { |
| 33 | assert(*i && "Got a null element in a ListInit"); |
| 34 | if (StringInit *S = dynamic_cast<StringInit *>(*i)) |
| 35 | Strings.push_back(S->getValue()); |
| 36 | else if (CodeInit *C = dynamic_cast<CodeInit *>(*i)) |
| 37 | Strings.push_back(C->getValue()); |
| 38 | else |
| 39 | assert(false && "Got a non-string, non-code element in a ListInit"); |
| 40 | } |
| 41 | |
| 42 | return Strings; |
| 43 | } |
| 44 | |
| 45 | static std::string ReadPCHRecord(StringRef type) { |
| 46 | return StringSwitch<std::string>(type) |
| 47 | .EndsWith("Decl *", "GetLocalDeclAs<" |
| 48 | + std::string(type, 0, type.size()-1) + ">(F, Record[Idx++])") |
| 49 | .Case("QualType", "getLocalType(F, Record[Idx++])") |
| 50 | .Case("Expr *", "ReadSubExpr()") |
| 51 | .Case("IdentifierInfo *", "GetIdentifierInfo(F, Record, Idx)") |
| 52 | .Case("SourceLocation", "ReadSourceLocation(F, Record, Idx)") |
| 53 | .Default("Record[Idx++]"); |
| 54 | } |
| 55 | |
| 56 | // Assumes that the way to get the value is SA->getname() |
| 57 | static std::string WritePCHRecord(StringRef type, StringRef name) { |
| 58 | return StringSwitch<std::string>(type) |
| 59 | .EndsWith("Decl *", "AddDeclRef(" + std::string(name) + |
| 60 | ", Record);\n") |
| 61 | .Case("QualType", "AddTypeRef(" + std::string(name) + ", Record);\n") |
| 62 | .Case("Expr *", "AddStmt(" + std::string(name) + ");\n") |
| 63 | .Case("IdentifierInfo *", |
| 64 | "AddIdentifierRef(" + std::string(name) + ", Record);\n") |
| 65 | .Case("SourceLocation", |
| 66 | "AddSourceLocation(" + std::string(name) + ", Record);\n") |
| 67 | .Default("Record.push_back(" + std::string(name) + ");\n"); |
| 68 | } |
| 69 | |
| 70 | namespace { |
| 71 | class Argument { |
| 72 | std::string lowerName, upperName; |
| 73 | StringRef attrName; |
| 74 | |
| 75 | public: |
| 76 | Argument(Record &Arg, StringRef Attr) |
| 77 | : lowerName(Arg.getValueAsString("Name")), upperName(lowerName), |
| 78 | attrName(Attr) { |
| 79 | if (!lowerName.empty()) { |
| 80 | lowerName[0] = std::tolower(lowerName[0]); |
| 81 | upperName[0] = std::toupper(upperName[0]); |
| 82 | } |
| 83 | } |
| 84 | virtual ~Argument() {} |
| 85 | |
| 86 | StringRef getLowerName() const { return lowerName; } |
| 87 | StringRef getUpperName() const { return upperName; } |
| 88 | StringRef getAttrName() const { return attrName; } |
| 89 | |
| 90 | // These functions print the argument contents formatted in different ways. |
| 91 | virtual void writeAccessors(raw_ostream &OS) const = 0; |
| 92 | virtual void writeAccessorDefinitions(raw_ostream &OS) const {} |
| 93 | virtual void writeCloneArgs(raw_ostream &OS) const = 0; |
| 94 | virtual void writeCtorBody(raw_ostream &OS) const {} |
| 95 | virtual void writeCtorInitializers(raw_ostream &OS) const = 0; |
| 96 | virtual void writeCtorParameters(raw_ostream &OS) const = 0; |
| 97 | virtual void writeDeclarations(raw_ostream &OS) const = 0; |
| 98 | virtual void writePCHReadArgs(raw_ostream &OS) const = 0; |
| 99 | virtual void writePCHReadDecls(raw_ostream &OS) const = 0; |
| 100 | virtual void writePCHWrite(raw_ostream &OS) const = 0; |
| 101 | }; |
| 102 | |
| 103 | class SimpleArgument : public Argument { |
| 104 | std::string type; |
| 105 | |
| 106 | public: |
| 107 | SimpleArgument(Record &Arg, StringRef Attr, std::string T) |
| 108 | : Argument(Arg, Attr), type(T) |
| 109 | {} |
| 110 | |
| 111 | void writeAccessors(raw_ostream &OS) const { |
| 112 | OS << " " << type << " get" << getUpperName() << "() const {\n"; |
| 113 | OS << " return " << getLowerName() << ";\n"; |
| 114 | OS << " }"; |
| 115 | } |
| 116 | void writeCloneArgs(raw_ostream &OS) const { |
| 117 | OS << getLowerName(); |
| 118 | } |
| 119 | void writeCtorInitializers(raw_ostream &OS) const { |
| 120 | OS << getLowerName() << "(" << getUpperName() << ")"; |
| 121 | } |
| 122 | void writeCtorParameters(raw_ostream &OS) const { |
| 123 | OS << type << " " << getUpperName(); |
| 124 | } |
| 125 | void writeDeclarations(raw_ostream &OS) const { |
| 126 | OS << type << " " << getLowerName() << ";"; |
| 127 | } |
| 128 | void writePCHReadDecls(raw_ostream &OS) const { |
| 129 | std::string read = ReadPCHRecord(type); |
| 130 | OS << " " << type << " " << getLowerName() << " = " << read << ";\n"; |
| 131 | } |
| 132 | void writePCHReadArgs(raw_ostream &OS) const { |
| 133 | OS << getLowerName(); |
| 134 | } |
| 135 | void writePCHWrite(raw_ostream &OS) const { |
| 136 | OS << " " << WritePCHRecord(type, "SA->get" + |
| 137 | std::string(getUpperName()) + "()"); |
| 138 | } |
| 139 | }; |
| 140 | |
| 141 | class StringArgument : public Argument { |
| 142 | public: |
| 143 | StringArgument(Record &Arg, StringRef Attr) |
| 144 | : Argument(Arg, Attr) |
| 145 | {} |
| 146 | |
| 147 | void writeAccessors(raw_ostream &OS) const { |
| 148 | OS << " llvm::StringRef get" << getUpperName() << "() const {\n"; |
| 149 | OS << " return llvm::StringRef(" << getLowerName() << ", " |
| 150 | << getLowerName() << "Length);\n"; |
| 151 | OS << " }\n"; |
| 152 | OS << " unsigned get" << getUpperName() << "Length() const {\n"; |
| 153 | OS << " return " << getLowerName() << "Length;\n"; |
| 154 | OS << " }\n"; |
| 155 | OS << " void set" << getUpperName() |
| 156 | << "(ASTContext &C, llvm::StringRef S) {\n"; |
| 157 | OS << " " << getLowerName() << "Length = S.size();\n"; |
| 158 | OS << " this->" << getLowerName() << " = new (C, 1) char [" |
| 159 | << getLowerName() << "Length];\n"; |
| 160 | OS << " std::memcpy(this->" << getLowerName() << ", S.data(), " |
| 161 | << getLowerName() << "Length);\n"; |
| 162 | OS << " }"; |
| 163 | } |
| 164 | void writeCloneArgs(raw_ostream &OS) const { |
| 165 | OS << "get" << getUpperName() << "()"; |
| 166 | } |
| 167 | void writeCtorBody(raw_ostream &OS) const { |
| 168 | OS << " std::memcpy(" << getLowerName() << ", " << getUpperName() |
| 169 | << ".data(), " << getLowerName() << "Length);"; |
| 170 | } |
| 171 | void writeCtorInitializers(raw_ostream &OS) const { |
| 172 | OS << getLowerName() << "Length(" << getUpperName() << ".size())," |
| 173 | << getLowerName() << "(new (Ctx, 1) char[" << getLowerName() |
| 174 | << "Length])"; |
| 175 | } |
| 176 | void writeCtorParameters(raw_ostream &OS) const { |
| 177 | OS << "llvm::StringRef " << getUpperName(); |
| 178 | } |
| 179 | void writeDeclarations(raw_ostream &OS) const { |
| 180 | OS << "unsigned " << getLowerName() << "Length;\n"; |
| 181 | OS << "char *" << getLowerName() << ";"; |
| 182 | } |
| 183 | void writePCHReadDecls(raw_ostream &OS) const { |
| 184 | OS << " std::string " << getLowerName() |
| 185 | << "= ReadString(Record, Idx);\n"; |
| 186 | } |
| 187 | void writePCHReadArgs(raw_ostream &OS) const { |
| 188 | OS << getLowerName(); |
| 189 | } |
| 190 | void writePCHWrite(raw_ostream &OS) const { |
| 191 | OS << " AddString(SA->get" << getUpperName() << "(), Record);\n"; |
| 192 | } |
| 193 | }; |
| 194 | |
| 195 | class AlignedArgument : public Argument { |
| 196 | public: |
| 197 | AlignedArgument(Record &Arg, StringRef Attr) |
| 198 | : Argument(Arg, Attr) |
| 199 | {} |
| 200 | |
| 201 | void writeAccessors(raw_ostream &OS) const { |
| 202 | OS << " bool is" << getUpperName() << "Dependent() const;\n"; |
| 203 | |
| 204 | OS << " unsigned get" << getUpperName() << "(ASTContext &Ctx) const;\n"; |
| 205 | |
| 206 | OS << " bool is" << getUpperName() << "Expr() const {\n"; |
| 207 | OS << " return is" << getLowerName() << "Expr;\n"; |
| 208 | OS << " }\n"; |
| 209 | |
| 210 | OS << " Expr *get" << getUpperName() << "Expr() const {\n"; |
| 211 | OS << " assert(is" << getLowerName() << "Expr);\n"; |
| 212 | OS << " return " << getLowerName() << "Expr;\n"; |
| 213 | OS << " }\n"; |
| 214 | |
| 215 | OS << " TypeSourceInfo *get" << getUpperName() << "Type() const {\n"; |
| 216 | OS << " assert(!is" << getLowerName() << "Expr);\n"; |
| 217 | OS << " return " << getLowerName() << "Type;\n"; |
| 218 | OS << " }"; |
| 219 | } |
| 220 | void writeAccessorDefinitions(raw_ostream &OS) const { |
| 221 | OS << "bool " << getAttrName() << "Attr::is" << getUpperName() |
| 222 | << "Dependent() const {\n"; |
| 223 | OS << " if (is" << getLowerName() << "Expr)\n"; |
| 224 | OS << " return " << getLowerName() << "Expr && (" << getLowerName() |
| 225 | << "Expr->isValueDependent() || " << getLowerName() |
| 226 | << "Expr->isTypeDependent());\n"; |
| 227 | OS << " else\n"; |
| 228 | OS << " return " << getLowerName() |
| 229 | << "Type->getType()->isDependentType();\n"; |
| 230 | OS << "}\n"; |
| 231 | |
| 232 | // FIXME: Do not do the calculation here |
| 233 | // FIXME: Handle types correctly |
| 234 | // A null pointer means maximum alignment |
| 235 | // FIXME: Load the platform-specific maximum alignment, rather than |
| 236 | // 16, the x86 max. |
| 237 | OS << "unsigned " << getAttrName() << "Attr::get" << getUpperName() |
| 238 | << "(ASTContext &Ctx) const {\n"; |
| 239 | OS << " assert(!is" << getUpperName() << "Dependent());\n"; |
| 240 | OS << " if (is" << getLowerName() << "Expr)\n"; |
| 241 | OS << " return (" << getLowerName() << "Expr ? " << getLowerName() |
Richard Smith | a6b8b2c | 2011-10-10 18:28:20 +0000 | [diff] [blame] | 242 | << "Expr->EvaluateKnownConstInt(Ctx).getZExtValue() : 16)" |
Peter Collingbourne | 51d7777 | 2011-10-06 13:03:08 +0000 | [diff] [blame] | 243 | << "* Ctx.getCharWidth();\n"; |
| 244 | OS << " else\n"; |
| 245 | OS << " return 0; // FIXME\n"; |
| 246 | OS << "}\n"; |
| 247 | } |
| 248 | void writeCloneArgs(raw_ostream &OS) const { |
| 249 | OS << "is" << getLowerName() << "Expr, is" << getLowerName() |
| 250 | << "Expr ? static_cast<void*>(" << getLowerName() |
| 251 | << "Expr) : " << getLowerName() |
| 252 | << "Type"; |
| 253 | } |
| 254 | void writeCtorBody(raw_ostream &OS) const { |
| 255 | OS << " if (is" << getLowerName() << "Expr)\n"; |
| 256 | OS << " " << getLowerName() << "Expr = reinterpret_cast<Expr *>(" |
| 257 | << getUpperName() << ");\n"; |
| 258 | OS << " else\n"; |
| 259 | OS << " " << getLowerName() |
| 260 | << "Type = reinterpret_cast<TypeSourceInfo *>(" << getUpperName() |
| 261 | << ");"; |
| 262 | } |
| 263 | void writeCtorInitializers(raw_ostream &OS) const { |
| 264 | OS << "is" << getLowerName() << "Expr(Is" << getUpperName() << "Expr)"; |
| 265 | } |
| 266 | void writeCtorParameters(raw_ostream &OS) const { |
| 267 | OS << "bool Is" << getUpperName() << "Expr, void *" << getUpperName(); |
| 268 | } |
| 269 | void writeDeclarations(raw_ostream &OS) const { |
| 270 | OS << "bool is" << getLowerName() << "Expr;\n"; |
| 271 | OS << "union {\n"; |
| 272 | OS << "Expr *" << getLowerName() << "Expr;\n"; |
| 273 | OS << "TypeSourceInfo *" << getLowerName() << "Type;\n"; |
| 274 | OS << "};"; |
| 275 | } |
| 276 | void writePCHReadArgs(raw_ostream &OS) const { |
| 277 | OS << "is" << getLowerName() << "Expr, " << getLowerName() << "Ptr"; |
| 278 | } |
| 279 | void writePCHReadDecls(raw_ostream &OS) const { |
| 280 | OS << " bool is" << getLowerName() << "Expr = Record[Idx++];\n"; |
| 281 | OS << " void *" << getLowerName() << "Ptr;\n"; |
| 282 | OS << " if (is" << getLowerName() << "Expr)\n"; |
| 283 | OS << " " << getLowerName() << "Ptr = ReadExpr(F);\n"; |
| 284 | OS << " else\n"; |
| 285 | OS << " " << getLowerName() |
| 286 | << "Ptr = GetTypeSourceInfo(F, Record, Idx);\n"; |
| 287 | } |
| 288 | void writePCHWrite(raw_ostream &OS) const { |
| 289 | OS << " Record.push_back(SA->is" << getUpperName() << "Expr());\n"; |
| 290 | OS << " if (SA->is" << getUpperName() << "Expr())\n"; |
| 291 | OS << " AddStmt(SA->get" << getUpperName() << "Expr());\n"; |
| 292 | OS << " else\n"; |
| 293 | OS << " AddTypeSourceInfo(SA->get" << getUpperName() |
| 294 | << "Type(), Record);\n"; |
| 295 | } |
| 296 | }; |
| 297 | |
| 298 | class VariadicArgument : public Argument { |
| 299 | std::string type; |
| 300 | |
| 301 | public: |
| 302 | VariadicArgument(Record &Arg, StringRef Attr, std::string T) |
| 303 | : Argument(Arg, Attr), type(T) |
| 304 | {} |
| 305 | |
| 306 | std::string getType() const { return type; } |
| 307 | |
| 308 | void writeAccessors(raw_ostream &OS) const { |
| 309 | OS << " typedef " << type << "* " << getLowerName() << "_iterator;\n"; |
| 310 | OS << " " << getLowerName() << "_iterator " << getLowerName() |
| 311 | << "_begin() const {\n"; |
| 312 | OS << " return " << getLowerName() << ";\n"; |
| 313 | OS << " }\n"; |
| 314 | OS << " " << getLowerName() << "_iterator " << getLowerName() |
| 315 | << "_end() const {\n"; |
| 316 | OS << " return " << getLowerName() << " + " << getLowerName() |
| 317 | << "Size;\n"; |
| 318 | OS << " }\n"; |
| 319 | OS << " unsigned " << getLowerName() << "_size() const {\n" |
| 320 | << " return " << getLowerName() << "Size;\n;"; |
| 321 | OS << " }"; |
| 322 | } |
| 323 | void writeCloneArgs(raw_ostream &OS) const { |
| 324 | OS << getLowerName() << ", " << getLowerName() << "Size"; |
| 325 | } |
| 326 | void writeCtorBody(raw_ostream &OS) const { |
| 327 | // FIXME: memcpy is not safe on non-trivial types. |
| 328 | OS << " std::memcpy(" << getLowerName() << ", " << getUpperName() |
| 329 | << ", " << getLowerName() << "Size * sizeof(" << getType() << "));\n"; |
| 330 | } |
| 331 | void writeCtorInitializers(raw_ostream &OS) const { |
| 332 | OS << getLowerName() << "Size(" << getUpperName() << "Size), " |
| 333 | << getLowerName() << "(new (Ctx, 16) " << getType() << "[" |
| 334 | << getLowerName() << "Size])"; |
| 335 | } |
| 336 | void writeCtorParameters(raw_ostream &OS) const { |
| 337 | OS << getType() << " *" << getUpperName() << ", unsigned " |
| 338 | << getUpperName() << "Size"; |
| 339 | } |
| 340 | void writeDeclarations(raw_ostream &OS) const { |
| 341 | OS << " unsigned " << getLowerName() << "Size;\n"; |
| 342 | OS << " " << getType() << " *" << getLowerName() << ";"; |
| 343 | } |
| 344 | void writePCHReadDecls(raw_ostream &OS) const { |
| 345 | OS << " unsigned " << getLowerName() << "Size = Record[Idx++];\n"; |
| 346 | OS << " llvm::SmallVector<" << type << ", 4> " << getLowerName() |
| 347 | << ";\n"; |
| 348 | OS << " " << getLowerName() << ".reserve(" << getLowerName() |
| 349 | << "Size);\n"; |
| 350 | OS << " for (unsigned i = " << getLowerName() << "Size; i; --i)\n"; |
| 351 | |
| 352 | std::string read = ReadPCHRecord(type); |
| 353 | OS << " " << getLowerName() << ".push_back(" << read << ");\n"; |
| 354 | } |
| 355 | void writePCHReadArgs(raw_ostream &OS) const { |
| 356 | OS << getLowerName() << ".data(), " << getLowerName() << "Size"; |
| 357 | } |
| 358 | void writePCHWrite(raw_ostream &OS) const{ |
| 359 | OS << " Record.push_back(SA->" << getLowerName() << "_size());\n"; |
| 360 | OS << " for (" << getAttrName() << "Attr::" << getLowerName() |
| 361 | << "_iterator i = SA->" << getLowerName() << "_begin(), e = SA->" |
| 362 | << getLowerName() << "_end(); i != e; ++i)\n"; |
| 363 | OS << " " << WritePCHRecord(type, "(*i)"); |
| 364 | } |
| 365 | }; |
| 366 | |
| 367 | class EnumArgument : public Argument { |
| 368 | std::string type; |
| 369 | std::vector<StringRef> values, enums; |
| 370 | public: |
| 371 | EnumArgument(Record &Arg, StringRef Attr) |
| 372 | : Argument(Arg, Attr), type(Arg.getValueAsString("Type")), |
| 373 | values(getValueAsListOfStrings(Arg, "Values")), |
| 374 | enums(getValueAsListOfStrings(Arg, "Enums")) |
| 375 | {} |
| 376 | |
| 377 | void writeAccessors(raw_ostream &OS) const { |
| 378 | OS << " " << type << " get" << getUpperName() << "() const {\n"; |
| 379 | OS << " return " << getLowerName() << ";\n"; |
| 380 | OS << " }"; |
| 381 | } |
| 382 | void writeCloneArgs(raw_ostream &OS) const { |
| 383 | OS << getLowerName(); |
| 384 | } |
| 385 | void writeCtorInitializers(raw_ostream &OS) const { |
| 386 | OS << getLowerName() << "(" << getUpperName() << ")"; |
| 387 | } |
| 388 | void writeCtorParameters(raw_ostream &OS) const { |
| 389 | OS << type << " " << getUpperName(); |
| 390 | } |
| 391 | void writeDeclarations(raw_ostream &OS) const { |
| 392 | // Calculate the various enum values |
| 393 | std::vector<StringRef> uniques(enums); |
| 394 | std::sort(uniques.begin(), uniques.end()); |
| 395 | uniques.erase(std::unique(uniques.begin(), uniques.end()), |
| 396 | uniques.end()); |
| 397 | // FIXME: Emit a proper error |
| 398 | assert(!uniques.empty()); |
| 399 | |
| 400 | std::vector<StringRef>::iterator i = uniques.begin(), |
| 401 | e = uniques.end(); |
| 402 | // The last one needs to not have a comma. |
| 403 | --e; |
| 404 | |
| 405 | OS << "public:\n"; |
| 406 | OS << " enum " << type << " {\n"; |
| 407 | for (; i != e; ++i) |
| 408 | OS << " " << *i << ",\n"; |
| 409 | OS << " " << *e << "\n"; |
| 410 | OS << " };\n"; |
| 411 | OS << "private:\n"; |
| 412 | OS << " " << type << " " << getLowerName() << ";"; |
| 413 | } |
| 414 | void writePCHReadDecls(raw_ostream &OS) const { |
| 415 | OS << " " << getAttrName() << "Attr::" << type << " " << getLowerName() |
| 416 | << "(static_cast<" << getAttrName() << "Attr::" << type |
| 417 | << ">(Record[Idx++]));\n"; |
| 418 | } |
| 419 | void writePCHReadArgs(raw_ostream &OS) const { |
| 420 | OS << getLowerName(); |
| 421 | } |
| 422 | void writePCHWrite(raw_ostream &OS) const { |
| 423 | OS << "Record.push_back(SA->get" << getUpperName() << "());\n"; |
| 424 | } |
| 425 | }; |
| 426 | |
| 427 | class VersionArgument : public Argument { |
| 428 | public: |
| 429 | VersionArgument(Record &Arg, StringRef Attr) |
| 430 | : Argument(Arg, Attr) |
| 431 | {} |
| 432 | |
| 433 | void writeAccessors(raw_ostream &OS) const { |
| 434 | OS << " VersionTuple get" << getUpperName() << "() const {\n"; |
| 435 | OS << " return " << getLowerName() << ";\n"; |
| 436 | OS << " }\n"; |
| 437 | OS << " void set" << getUpperName() |
| 438 | << "(ASTContext &C, VersionTuple V) {\n"; |
| 439 | OS << " " << getLowerName() << " = V;\n"; |
| 440 | OS << " }"; |
| 441 | } |
| 442 | void writeCloneArgs(raw_ostream &OS) const { |
| 443 | OS << "get" << getUpperName() << "()"; |
| 444 | } |
| 445 | void writeCtorBody(raw_ostream &OS) const { |
| 446 | } |
| 447 | void writeCtorInitializers(raw_ostream &OS) const { |
| 448 | OS << getLowerName() << "(" << getUpperName() << ")"; |
| 449 | } |
| 450 | void writeCtorParameters(raw_ostream &OS) const { |
| 451 | OS << "VersionTuple " << getUpperName(); |
| 452 | } |
| 453 | void writeDeclarations(raw_ostream &OS) const { |
| 454 | OS << "VersionTuple " << getLowerName() << ";\n"; |
| 455 | } |
| 456 | void writePCHReadDecls(raw_ostream &OS) const { |
| 457 | OS << " VersionTuple " << getLowerName() |
| 458 | << "= ReadVersionTuple(Record, Idx);\n"; |
| 459 | } |
| 460 | void writePCHReadArgs(raw_ostream &OS) const { |
| 461 | OS << getLowerName(); |
| 462 | } |
| 463 | void writePCHWrite(raw_ostream &OS) const { |
| 464 | OS << " AddVersionTuple(SA->get" << getUpperName() << "(), Record);\n"; |
| 465 | } |
| 466 | }; |
| 467 | } |
| 468 | |
| 469 | static Argument *createArgument(Record &Arg, StringRef Attr, |
| 470 | Record *Search = 0) { |
| 471 | if (!Search) |
| 472 | Search = &Arg; |
| 473 | |
| 474 | Argument *Ptr = 0; |
| 475 | llvm::StringRef ArgName = Search->getName(); |
| 476 | |
| 477 | if (ArgName == "AlignedArgument") Ptr = new AlignedArgument(Arg, Attr); |
| 478 | else if (ArgName == "EnumArgument") Ptr = new EnumArgument(Arg, Attr); |
| 479 | else if (ArgName == "ExprArgument") Ptr = new SimpleArgument(Arg, Attr, |
| 480 | "Expr *"); |
| 481 | else if (ArgName == "FunctionArgument") |
| 482 | Ptr = new SimpleArgument(Arg, Attr, "FunctionDecl *"); |
| 483 | else if (ArgName == "IdentifierArgument") |
| 484 | Ptr = new SimpleArgument(Arg, Attr, "IdentifierInfo *"); |
| 485 | else if (ArgName == "BoolArgument") Ptr = new SimpleArgument(Arg, Attr, |
| 486 | "bool"); |
| 487 | else if (ArgName == "IntArgument") Ptr = new SimpleArgument(Arg, Attr, "int"); |
| 488 | else if (ArgName == "StringArgument") Ptr = new StringArgument(Arg, Attr); |
| 489 | else if (ArgName == "TypeArgument") |
| 490 | Ptr = new SimpleArgument(Arg, Attr, "QualType"); |
| 491 | else if (ArgName == "UnsignedArgument") |
| 492 | Ptr = new SimpleArgument(Arg, Attr, "unsigned"); |
| 493 | else if (ArgName == "SourceLocArgument") |
| 494 | Ptr = new SimpleArgument(Arg, Attr, "SourceLocation"); |
| 495 | else if (ArgName == "VariadicUnsignedArgument") |
| 496 | Ptr = new VariadicArgument(Arg, Attr, "unsigned"); |
| 497 | else if (ArgName == "VariadicExprArgument") |
| 498 | Ptr = new VariadicArgument(Arg, Attr, "Expr *"); |
| 499 | else if (ArgName == "VersionArgument") |
| 500 | Ptr = new VersionArgument(Arg, Attr); |
| 501 | |
| 502 | if (!Ptr) { |
| 503 | std::vector<Record*> Bases = Search->getSuperClasses(); |
| 504 | for (std::vector<Record*>::iterator i = Bases.begin(), e = Bases.end(); |
| 505 | i != e; ++i) { |
| 506 | Ptr = createArgument(Arg, Attr, *i); |
| 507 | if (Ptr) |
| 508 | break; |
| 509 | } |
| 510 | } |
| 511 | return Ptr; |
| 512 | } |
| 513 | |
| 514 | void ClangAttrClassEmitter::run(raw_ostream &OS) { |
| 515 | OS << "// This file is generated by TableGen. Do not edit.\n\n"; |
| 516 | OS << "#ifndef LLVM_CLANG_ATTR_CLASSES_INC\n"; |
| 517 | OS << "#define LLVM_CLANG_ATTR_CLASSES_INC\n\n"; |
| 518 | |
| 519 | std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"); |
| 520 | |
| 521 | for (std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end(); |
| 522 | i != e; ++i) { |
| 523 | Record &R = **i; |
| 524 | const std::string &SuperName = R.getSuperClasses().back()->getName(); |
| 525 | |
| 526 | OS << "class " << R.getName() << "Attr : public " << SuperName << " {\n"; |
| 527 | |
| 528 | std::vector<Record*> ArgRecords = R.getValueAsListOfDefs("Args"); |
| 529 | std::vector<Argument*> Args; |
| 530 | std::vector<Argument*>::iterator ai, ae; |
| 531 | Args.reserve(ArgRecords.size()); |
| 532 | |
| 533 | for (std::vector<Record*>::iterator ri = ArgRecords.begin(), |
| 534 | re = ArgRecords.end(); |
| 535 | ri != re; ++ri) { |
| 536 | Record &ArgRecord = **ri; |
| 537 | Argument *Arg = createArgument(ArgRecord, R.getName()); |
| 538 | assert(Arg); |
| 539 | Args.push_back(Arg); |
| 540 | |
| 541 | Arg->writeDeclarations(OS); |
| 542 | OS << "\n\n"; |
| 543 | } |
| 544 | |
| 545 | ae = Args.end(); |
| 546 | |
| 547 | OS << "\n public:\n"; |
| 548 | OS << " " << R.getName() << "Attr(SourceRange R, ASTContext &Ctx\n"; |
| 549 | |
| 550 | for (ai = Args.begin(); ai != ae; ++ai) { |
| 551 | OS << " , "; |
| 552 | (*ai)->writeCtorParameters(OS); |
| 553 | OS << "\n"; |
| 554 | } |
| 555 | |
| 556 | OS << " )\n"; |
| 557 | OS << " : " << SuperName << "(attr::" << R.getName() << ", R)\n"; |
| 558 | |
| 559 | for (ai = Args.begin(); ai != ae; ++ai) { |
| 560 | OS << " , "; |
| 561 | (*ai)->writeCtorInitializers(OS); |
| 562 | OS << "\n"; |
| 563 | } |
| 564 | |
| 565 | OS << " {\n"; |
| 566 | |
| 567 | for (ai = Args.begin(); ai != ae; ++ai) { |
| 568 | (*ai)->writeCtorBody(OS); |
| 569 | OS << "\n"; |
| 570 | } |
| 571 | OS << " }\n\n"; |
| 572 | |
| 573 | OS << " virtual " << R.getName() << "Attr *clone (ASTContext &C) const;\n"; |
| 574 | |
| 575 | for (ai = Args.begin(); ai != ae; ++ai) { |
| 576 | (*ai)->writeAccessors(OS); |
| 577 | OS << "\n\n"; |
| 578 | } |
| 579 | |
| 580 | OS << R.getValueAsCode("AdditionalMembers"); |
| 581 | OS << "\n\n"; |
| 582 | |
| 583 | OS << " static bool classof(const Attr *A) { return A->getKind() == " |
| 584 | << "attr::" << R.getName() << "; }\n"; |
| 585 | OS << " static bool classof(const " << R.getName() |
| 586 | << "Attr *) { return true; }\n"; |
| 587 | OS << "};\n\n"; |
| 588 | } |
| 589 | |
| 590 | OS << "#endif\n"; |
| 591 | } |
| 592 | |
| 593 | void ClangAttrImplEmitter::run(raw_ostream &OS) { |
| 594 | OS << "// This file is generated by TableGen. Do not edit.\n\n"; |
| 595 | |
| 596 | std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"); |
| 597 | std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end(), ri, re; |
| 598 | std::vector<Argument*>::iterator ai, ae; |
| 599 | |
| 600 | for (; i != e; ++i) { |
| 601 | Record &R = **i; |
| 602 | std::vector<Record*> ArgRecords = R.getValueAsListOfDefs("Args"); |
| 603 | std::vector<Argument*> Args; |
| 604 | for (ri = ArgRecords.begin(), re = ArgRecords.end(); ri != re; ++ri) |
| 605 | Args.push_back(createArgument(**ri, R.getName())); |
| 606 | |
| 607 | for (ai = Args.begin(), ae = Args.end(); ai != ae; ++ai) |
| 608 | (*ai)->writeAccessorDefinitions(OS); |
| 609 | |
| 610 | OS << R.getName() << "Attr *" << R.getName() |
| 611 | << "Attr::clone(ASTContext &C) const {\n"; |
| 612 | OS << " return new (C) " << R.getName() << "Attr(getLocation(), C"; |
| 613 | for (ai = Args.begin(); ai != ae; ++ai) { |
| 614 | OS << ", "; |
| 615 | (*ai)->writeCloneArgs(OS); |
| 616 | } |
| 617 | OS << ");\n}\n\n"; |
| 618 | } |
| 619 | } |
| 620 | |
| 621 | static void EmitAttrList(raw_ostream &OS, StringRef Class, |
| 622 | const std::vector<Record*> &AttrList) { |
| 623 | std::vector<Record*>::const_iterator i = AttrList.begin(), e = AttrList.end(); |
| 624 | |
| 625 | if (i != e) { |
| 626 | // Move the end iterator back to emit the last attribute. |
| 627 | for(--e; i != e; ++i) |
| 628 | OS << Class << "(" << (*i)->getName() << ")\n"; |
| 629 | |
| 630 | OS << "LAST_" << Class << "(" << (*i)->getName() << ")\n\n"; |
| 631 | } |
| 632 | } |
| 633 | |
| 634 | void ClangAttrListEmitter::run(raw_ostream &OS) { |
| 635 | OS << "// This file is generated by TableGen. Do not edit.\n\n"; |
| 636 | |
| 637 | OS << "#ifndef LAST_ATTR\n"; |
| 638 | OS << "#define LAST_ATTR(NAME) ATTR(NAME)\n"; |
| 639 | OS << "#endif\n\n"; |
| 640 | |
| 641 | OS << "#ifndef INHERITABLE_ATTR\n"; |
| 642 | OS << "#define INHERITABLE_ATTR(NAME) ATTR(NAME)\n"; |
| 643 | OS << "#endif\n\n"; |
| 644 | |
| 645 | OS << "#ifndef LAST_INHERITABLE_ATTR\n"; |
| 646 | OS << "#define LAST_INHERITABLE_ATTR(NAME) INHERITABLE_ATTR(NAME)\n"; |
| 647 | OS << "#endif\n\n"; |
| 648 | |
| 649 | OS << "#ifndef INHERITABLE_PARAM_ATTR\n"; |
| 650 | OS << "#define INHERITABLE_PARAM_ATTR(NAME) ATTR(NAME)\n"; |
| 651 | OS << "#endif\n\n"; |
| 652 | |
| 653 | OS << "#ifndef LAST_INHERITABLE_PARAM_ATTR\n"; |
| 654 | OS << "#define LAST_INHERITABLE_PARAM_ATTR(NAME)" |
| 655 | " INHERITABLE_PARAM_ATTR(NAME)\n"; |
| 656 | OS << "#endif\n\n"; |
| 657 | |
| 658 | Record *InhClass = Records.getClass("InheritableAttr"); |
| 659 | Record *InhParamClass = Records.getClass("InheritableParamAttr"); |
| 660 | std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"), |
| 661 | NonInhAttrs, InhAttrs, InhParamAttrs; |
| 662 | for (std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end(); |
| 663 | i != e; ++i) { |
| 664 | if ((*i)->isSubClassOf(InhParamClass)) |
| 665 | InhParamAttrs.push_back(*i); |
| 666 | else if ((*i)->isSubClassOf(InhClass)) |
| 667 | InhAttrs.push_back(*i); |
| 668 | else |
| 669 | NonInhAttrs.push_back(*i); |
| 670 | } |
| 671 | |
| 672 | EmitAttrList(OS, "INHERITABLE_PARAM_ATTR", InhParamAttrs); |
| 673 | EmitAttrList(OS, "INHERITABLE_ATTR", InhAttrs); |
| 674 | EmitAttrList(OS, "ATTR", NonInhAttrs); |
| 675 | |
| 676 | OS << "#undef LAST_ATTR\n"; |
| 677 | OS << "#undef INHERITABLE_ATTR\n"; |
| 678 | OS << "#undef LAST_INHERITABLE_ATTR\n"; |
| 679 | OS << "#undef LAST_INHERITABLE_PARAM_ATTR\n"; |
| 680 | OS << "#undef ATTR\n"; |
| 681 | } |
| 682 | |
| 683 | void ClangAttrPCHReadEmitter::run(raw_ostream &OS) { |
| 684 | OS << "// This file is generated by TableGen. Do not edit.\n\n"; |
| 685 | |
| 686 | Record *InhClass = Records.getClass("InheritableAttr"); |
| 687 | std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"), |
| 688 | ArgRecords; |
| 689 | std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end(), ai, ae; |
| 690 | std::vector<Argument*> Args; |
| 691 | std::vector<Argument*>::iterator ri, re; |
| 692 | |
| 693 | OS << " switch (Kind) {\n"; |
| 694 | OS << " default:\n"; |
| 695 | OS << " assert(0 && \"Unknown attribute!\");\n"; |
| 696 | OS << " break;\n"; |
| 697 | for (; i != e; ++i) { |
| 698 | Record &R = **i; |
| 699 | OS << " case attr::" << R.getName() << ": {\n"; |
| 700 | if (R.isSubClassOf(InhClass)) |
| 701 | OS << " bool isInherited = Record[Idx++];\n"; |
| 702 | ArgRecords = R.getValueAsListOfDefs("Args"); |
| 703 | Args.clear(); |
| 704 | for (ai = ArgRecords.begin(), ae = ArgRecords.end(); ai != ae; ++ai) { |
| 705 | Argument *A = createArgument(**ai, R.getName()); |
| 706 | Args.push_back(A); |
| 707 | A->writePCHReadDecls(OS); |
| 708 | } |
| 709 | OS << " New = new (Context) " << R.getName() << "Attr(Range, Context"; |
| 710 | for (ri = Args.begin(), re = Args.end(); ri != re; ++ri) { |
| 711 | OS << ", "; |
| 712 | (*ri)->writePCHReadArgs(OS); |
| 713 | } |
| 714 | OS << ");\n"; |
| 715 | if (R.isSubClassOf(InhClass)) |
| 716 | OS << " cast<InheritableAttr>(New)->setInherited(isInherited);\n"; |
| 717 | OS << " break;\n"; |
| 718 | OS << " }\n"; |
| 719 | } |
| 720 | OS << " }\n"; |
| 721 | } |
| 722 | |
| 723 | void ClangAttrPCHWriteEmitter::run(raw_ostream &OS) { |
| 724 | Record *InhClass = Records.getClass("InheritableAttr"); |
| 725 | std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"), Args; |
| 726 | std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end(), ai, ae; |
| 727 | |
| 728 | OS << " switch (A->getKind()) {\n"; |
| 729 | OS << " default:\n"; |
| 730 | OS << " llvm_unreachable(\"Unknown attribute kind!\");\n"; |
| 731 | OS << " break;\n"; |
| 732 | for (; i != e; ++i) { |
| 733 | Record &R = **i; |
| 734 | OS << " case attr::" << R.getName() << ": {\n"; |
| 735 | Args = R.getValueAsListOfDefs("Args"); |
| 736 | if (R.isSubClassOf(InhClass) || !Args.empty()) |
| 737 | OS << " const " << R.getName() << "Attr *SA = cast<" << R.getName() |
| 738 | << "Attr>(A);\n"; |
| 739 | if (R.isSubClassOf(InhClass)) |
| 740 | OS << " Record.push_back(SA->isInherited());\n"; |
| 741 | for (ai = Args.begin(), ae = Args.end(); ai != ae; ++ai) |
| 742 | createArgument(**ai, R.getName())->writePCHWrite(OS); |
| 743 | OS << " break;\n"; |
| 744 | OS << " }\n"; |
| 745 | } |
| 746 | OS << " }\n"; |
| 747 | } |
| 748 | |
| 749 | void ClangAttrSpellingListEmitter::run(raw_ostream &OS) { |
| 750 | OS << "// This file is generated by TableGen. Do not edit.\n\n"; |
| 751 | |
| 752 | std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"); |
| 753 | |
| 754 | for (std::vector<Record*>::iterator I = Attrs.begin(), E = Attrs.end(); I != E; ++I) { |
| 755 | Record &Attr = **I; |
| 756 | |
| 757 | std::vector<StringRef> Spellings = getValueAsListOfStrings(Attr, "Spellings"); |
| 758 | |
| 759 | for (std::vector<StringRef>::const_iterator I = Spellings.begin(), E = Spellings.end(); I != E; ++I) { |
| 760 | StringRef Spelling = *I; |
| 761 | OS << ".Case(\"" << Spelling << "\", true)\n"; |
| 762 | } |
| 763 | } |
| 764 | |
| 765 | } |
| 766 | |
| 767 | void ClangAttrLateParsedListEmitter::run(raw_ostream &OS) { |
| 768 | OS << "// This file is generated by TableGen. Do not edit.\n\n"; |
| 769 | |
| 770 | std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"); |
| 771 | |
| 772 | for (std::vector<Record*>::iterator I = Attrs.begin(), E = Attrs.end(); |
| 773 | I != E; ++I) { |
| 774 | Record &Attr = **I; |
| 775 | |
| 776 | bool LateParsed = Attr.getValueAsBit("LateParsed"); |
| 777 | |
| 778 | if (LateParsed) { |
| 779 | std::vector<StringRef> Spellings = |
| 780 | getValueAsListOfStrings(Attr, "Spellings"); |
| 781 | |
| 782 | for (std::vector<StringRef>::const_iterator I = Spellings.begin(), |
| 783 | E = Spellings.end(); I != E; ++I) { |
| 784 | OS << ".Case(\"" << (*I) << "\", " << LateParsed << ")\n"; |
| 785 | } |
| 786 | } |
| 787 | } |
| 788 | } |