| 1 | //===- AttrOrTypeDefGen.cpp - MLIR AttrOrType definitions generator -------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "AttrOrTypeFormatGen.h" |
| 10 | #include "CppGenUtilities.h" |
| 11 | #include "mlir/TableGen/AttrOrTypeDef.h" |
| 12 | #include "mlir/TableGen/Class.h" |
| 13 | #include "mlir/TableGen/CodeGenHelpers.h" |
| 14 | #include "mlir/TableGen/Format.h" |
| 15 | #include "mlir/TableGen/GenInfo.h" |
| 16 | #include "mlir/TableGen/Interfaces.h" |
| 17 | #include "llvm/ADT/StringSet.h" |
| 18 | #include "llvm/Support/CommandLine.h" |
| 19 | #include "llvm/TableGen/Error.h" |
| 20 | #include "llvm/TableGen/TableGenBackend.h" |
| 21 | |
| 22 | #define DEBUG_TYPE "mlir-tblgen-attrortypedefgen" |
| 23 | |
| 24 | using namespace mlir; |
| 25 | using namespace mlir::tblgen; |
| 26 | using llvm::Record; |
| 27 | using llvm::RecordKeeper; |
| 28 | |
| 29 | //===----------------------------------------------------------------------===// |
| 30 | // Utility Functions |
| 31 | //===----------------------------------------------------------------------===// |
| 32 | |
| 33 | /// Find all the AttrOrTypeDef for the specified dialect. If no dialect |
| 34 | /// specified and can only find one dialect's defs, use that. |
| 35 | static void collectAllDefs(StringRef selectedDialect, |
| 36 | ArrayRef<const Record *> records, |
| 37 | SmallVectorImpl<AttrOrTypeDef> &resultDefs) { |
| 38 | // Nothing to do if no defs were found. |
| 39 | if (records.empty()) |
| 40 | return; |
| 41 | |
| 42 | auto defs = llvm::map_range( |
| 43 | C&: records, F: [&](const Record *rec) { return AttrOrTypeDef(rec); }); |
| 44 | if (selectedDialect.empty()) { |
| 45 | // If a dialect was not specified, ensure that all found defs belong to the |
| 46 | // same dialect. |
| 47 | if (!llvm::all_equal(Range: llvm::map_range( |
| 48 | C&: defs, F: [](const auto &def) { return def.getDialect(); }))) { |
| 49 | llvm::PrintFatalError(Msg: "defs belonging to more than one dialect. Must " |
| 50 | "select one via '--(attr|type)defs-dialect'" ); |
| 51 | } |
| 52 | resultDefs.assign(in_start: defs.begin(), in_end: defs.end()); |
| 53 | } else { |
| 54 | // Otherwise, generate the defs that belong to the selected dialect. |
| 55 | auto dialectDefs = llvm::make_filter_range(Range&: defs, Pred: [&](const auto &def) { |
| 56 | return def.getDialect().getName() == selectedDialect; |
| 57 | }); |
| 58 | resultDefs.assign(in_start: dialectDefs.begin(), in_end: dialectDefs.end()); |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | //===----------------------------------------------------------------------===// |
| 63 | // DefGen |
| 64 | //===----------------------------------------------------------------------===// |
| 65 | |
| 66 | namespace { |
| 67 | class DefGen { |
| 68 | public: |
| 69 | /// Create the attribute or type class. |
| 70 | DefGen(const AttrOrTypeDef &def); |
| 71 | |
| 72 | void emitDecl(raw_ostream &os) const { |
| 73 | if (storageCls && def.genStorageClass()) { |
| 74 | NamespaceEmitter ns(os, def.getStorageNamespace()); |
| 75 | os << "struct " << def.getStorageClassName() << ";\n" ; |
| 76 | } |
| 77 | defCls.writeDeclTo(rawOs&: os); |
| 78 | } |
| 79 | void emitDef(raw_ostream &os) const { |
| 80 | if (storageCls && def.genStorageClass()) { |
| 81 | NamespaceEmitter ns(os, def.getStorageNamespace()); |
| 82 | storageCls->writeDeclTo(rawOs&: os); // everything is inline |
| 83 | } |
| 84 | defCls.writeDefTo(rawOs&: os); |
| 85 | } |
| 86 | |
| 87 | private: |
| 88 | /// Add traits from the TableGen definition to the class. |
| 89 | void createParentWithTraits(); |
| 90 | /// Emit top-level declarations: using declarations and any extra class |
| 91 | /// declarations. |
| 92 | void emitTopLevelDeclarations(); |
| 93 | /// Emit the function that returns the type or attribute name. |
| 94 | void emitName(); |
| 95 | /// Emit the dialect name as a static member variable. |
| 96 | void emitDialectName(); |
| 97 | /// Emit attribute or type builders. |
| 98 | void emitBuilders(); |
| 99 | /// Emit a verifier declaration for custom verification (impl. provided by |
| 100 | /// the users). |
| 101 | void emitVerifierDecl(); |
| 102 | /// Emit a verifier that checks type constraints. |
| 103 | void emitInvariantsVerifierImpl(); |
| 104 | /// Emit an entry poiunt for verification that calls the invariants and |
| 105 | /// custom verifier. |
| 106 | void emitInvariantsVerifier(bool hasImpl, bool hasCustomVerifier); |
| 107 | /// Emit parsers and printers. |
| 108 | void emitParserPrinter(); |
| 109 | /// Emit parameter accessors, if required. |
| 110 | void emitAccessors(); |
| 111 | /// Emit interface methods. |
| 112 | void emitInterfaceMethods(); |
| 113 | |
| 114 | //===--------------------------------------------------------------------===// |
| 115 | // Builder Emission |
| 116 | |
| 117 | /// Emit the default builder `Attribute::get` |
| 118 | void emitDefaultBuilder(); |
| 119 | /// Emit the checked builder `Attribute::getChecked` |
| 120 | void emitCheckedBuilder(); |
| 121 | /// Emit a custom builder. |
| 122 | void emitCustomBuilder(const AttrOrTypeBuilder &builder); |
| 123 | /// Emit a checked custom builder. |
| 124 | void emitCheckedCustomBuilder(const AttrOrTypeBuilder &builder); |
| 125 | |
| 126 | //===--------------------------------------------------------------------===// |
| 127 | // Interface Method Emission |
| 128 | |
| 129 | /// Emit methods for a trait. |
| 130 | void emitTraitMethods(const InterfaceTrait &trait); |
| 131 | /// Emit a trait method. |
| 132 | void emitTraitMethod(const InterfaceMethod &method); |
| 133 | |
| 134 | //===--------------------------------------------------------------------===// |
| 135 | // OpAsm{Type,Attr}Interface Default Method Emission |
| 136 | |
| 137 | /// Emit 'getAlias' method using mnemonic as alias. |
| 138 | void emitMnemonicAliasMethod(); |
| 139 | |
| 140 | //===--------------------------------------------------------------------===// |
| 141 | // Storage Class Emission |
| 142 | void emitStorageClass(); |
| 143 | /// Generate the storage class constructor. |
| 144 | void emitStorageConstructor(); |
| 145 | /// Emit the key type `KeyTy`. |
| 146 | void emitKeyType(); |
| 147 | /// Emit the equality comparison operator. |
| 148 | void emitEquals(); |
| 149 | /// Emit the key hash function. |
| 150 | void emitHashKey(); |
| 151 | /// Emit the function to construct the storage class. |
| 152 | void emitConstruct(); |
| 153 | |
| 154 | //===--------------------------------------------------------------------===// |
| 155 | // Utility Function Declarations |
| 156 | |
| 157 | /// Get the method parameters for a def builder, where the first several |
| 158 | /// parameters may be different. |
| 159 | SmallVector<MethodParameter> |
| 160 | getBuilderParams(std::initializer_list<MethodParameter> prefix) const; |
| 161 | |
| 162 | //===--------------------------------------------------------------------===// |
| 163 | // Class fields |
| 164 | |
| 165 | /// The attribute or type definition. |
| 166 | const AttrOrTypeDef &def; |
| 167 | /// The list of attribute or type parameters. |
| 168 | ArrayRef<AttrOrTypeParameter> params; |
| 169 | /// The attribute or type class. |
| 170 | Class defCls; |
| 171 | /// An optional attribute or type storage class. The storage class will |
| 172 | /// exist if and only if the def has more than zero parameters. |
| 173 | std::optional<Class> storageCls; |
| 174 | |
| 175 | /// The C++ base value of the def, either "Attribute" or "Type". |
| 176 | StringRef valueType; |
| 177 | /// The prefix/suffix of the TableGen def name, either "Attr" or "Type". |
| 178 | StringRef defType; |
| 179 | }; |
| 180 | } // namespace |
| 181 | |
| 182 | DefGen::DefGen(const AttrOrTypeDef &def) |
| 183 | : def(def), params(def.getParameters()), defCls(def.getCppClassName()), |
| 184 | valueType(isa<AttrDef>(Val: def) ? "Attribute" : "Type" ), |
| 185 | defType(isa<AttrDef>(Val: def) ? "Attr" : "Type" ) { |
| 186 | // Check that all parameters have names. |
| 187 | for (const AttrOrTypeParameter ¶m : def.getParameters()) |
| 188 | if (param.isAnonymous()) |
| 189 | llvm::PrintFatalError(Msg: "all parameters must have a name" ); |
| 190 | |
| 191 | // If a storage class is needed, create one. |
| 192 | if (def.getNumParameters() > 0) |
| 193 | storageCls.emplace(args: def.getStorageClassName(), /*isStruct=*/args: true); |
| 194 | |
| 195 | // Create the parent class with any indicated traits. |
| 196 | createParentWithTraits(); |
| 197 | // Emit top-level declarations. |
| 198 | emitTopLevelDeclarations(); |
| 199 | // Emit builders for defs with parameters |
| 200 | if (storageCls) |
| 201 | emitBuilders(); |
| 202 | // Emit the type name. |
| 203 | emitName(); |
| 204 | // Emit the dialect name. |
| 205 | emitDialectName(); |
| 206 | // Emit verification of type constraints. |
| 207 | bool genVerifyInvariantsImpl = def.genVerifyInvariantsImpl(); |
| 208 | if (storageCls && genVerifyInvariantsImpl) |
| 209 | emitInvariantsVerifierImpl(); |
| 210 | // Emit the custom verifier (written by the user). |
| 211 | bool genVerifyDecl = def.genVerifyDecl(); |
| 212 | if (storageCls && genVerifyDecl) |
| 213 | emitVerifierDecl(); |
| 214 | // Emit the "verifyInvariants" function if there is any verification at all. |
| 215 | if (storageCls) |
| 216 | emitInvariantsVerifier(hasImpl: genVerifyInvariantsImpl, hasCustomVerifier: genVerifyDecl); |
| 217 | // Emit the mnemonic, if there is one, and any associated parser and printer. |
| 218 | if (def.getMnemonic()) |
| 219 | emitParserPrinter(); |
| 220 | // Emit accessors |
| 221 | if (def.genAccessors()) |
| 222 | emitAccessors(); |
| 223 | // Emit trait interface methods |
| 224 | emitInterfaceMethods(); |
| 225 | // Emit OpAsm{Type,Attr}Interface default methods |
| 226 | if (def.genMnemonicAlias()) |
| 227 | emitMnemonicAliasMethod(); |
| 228 | defCls.finalize(); |
| 229 | // Emit a storage class if one is needed |
| 230 | if (storageCls && def.genStorageClass()) |
| 231 | emitStorageClass(); |
| 232 | } |
| 233 | |
| 234 | void DefGen::createParentWithTraits() { |
| 235 | ParentClass defParent(strfmt(fmt: "::mlir::{0}::{1}Base" , parameters&: valueType, parameters&: defType)); |
| 236 | defParent.addTemplateParam(param: def.getCppClassName()); |
| 237 | defParent.addTemplateParam(param: def.getCppBaseClassName()); |
| 238 | defParent.addTemplateParam(param: storageCls |
| 239 | ? strfmt(fmt: "{0}::{1}" , parameters: def.getStorageNamespace(), |
| 240 | parameters: def.getStorageClassName()) |
| 241 | : strfmt(fmt: "::mlir::{0}Storage" , parameters&: valueType)); |
| 242 | SmallVector<std::string> traitNames = |
| 243 | llvm::to_vector(Range: llvm::map_range(C: def.getTraits(), F: [](auto &trait) { |
| 244 | return isa<NativeTrait>(&trait) |
| 245 | ? cast<NativeTrait>(&trait)->getFullyQualifiedTraitName() |
| 246 | : cast<InterfaceTrait>(&trait)->getFullyQualifiedTraitName(); |
| 247 | })); |
| 248 | llvm::for_each(Range&: traitNames, F: [&](auto &traitName) { |
| 249 | defParent.addTemplateParam(traitName); |
| 250 | }); |
| 251 | |
| 252 | // Add OpAsmInterface::Trait if we automatically generate mnemonic alias |
| 253 | // method. |
| 254 | std::string opAsmInterfaceTraitName = |
| 255 | strfmt(fmt: "::mlir::OpAsm{0}Interface::Trait" , parameters&: defType); |
| 256 | if (def.genMnemonicAlias() && llvm::none_of(Range&: traitNames, P: [&](auto &traitName) { |
| 257 | return traitName == opAsmInterfaceTraitName; |
| 258 | })) { |
| 259 | defParent.addTemplateParam(param: opAsmInterfaceTraitName); |
| 260 | } |
| 261 | defCls.addParent(parent: std::move(defParent)); |
| 262 | } |
| 263 | |
| 264 | /// Include declarations specified on NativeTrait |
| 265 | static std::string (const AttrOrTypeDef &def) { |
| 266 | SmallVector<StringRef> ; |
| 267 | // Include extra class declarations from NativeTrait |
| 268 | for (const auto &trait : def.getTraits()) { |
| 269 | if (auto *attrOrTypeTrait = dyn_cast<tblgen::NativeTrait>(Val: &trait)) { |
| 270 | StringRef value = attrOrTypeTrait->getExtraConcreteClassDeclaration(); |
| 271 | if (value.empty()) |
| 272 | continue; |
| 273 | extraDeclarations.push_back(Elt: value); |
| 274 | } |
| 275 | } |
| 276 | if (std::optional<StringRef> = def.getExtraDecls()) { |
| 277 | extraDeclarations.push_back(Elt: *extraDecl); |
| 278 | } |
| 279 | return llvm::join(R&: extraDeclarations, Separator: "\n" ); |
| 280 | } |
| 281 | |
| 282 | /// Extra class definitions have a `$cppClass` substitution that is to be |
| 283 | /// replaced by the C++ class name. |
| 284 | static std::string (const AttrOrTypeDef &def) { |
| 285 | SmallVector<StringRef> ; |
| 286 | // Include extra class definitions from NativeTrait |
| 287 | for (const auto &trait : def.getTraits()) { |
| 288 | if (auto *attrOrTypeTrait = dyn_cast<tblgen::NativeTrait>(Val: &trait)) { |
| 289 | StringRef value = attrOrTypeTrait->getExtraConcreteClassDefinition(); |
| 290 | if (value.empty()) |
| 291 | continue; |
| 292 | extraDefinitions.push_back(Elt: value); |
| 293 | } |
| 294 | } |
| 295 | if (std::optional<StringRef> = def.getExtraDefs()) { |
| 296 | extraDefinitions.push_back(Elt: *extraDef); |
| 297 | } |
| 298 | FmtContext ctx = FmtContext().addSubst(placeholder: "cppClass" , subst: def.getCppClassName()); |
| 299 | return tgfmt(fmt: llvm::join(R&: extraDefinitions, Separator: "\n" ), ctx: &ctx).str(); |
| 300 | } |
| 301 | |
| 302 | void DefGen::emitTopLevelDeclarations() { |
| 303 | // Inherit constructors from the attribute or type class. |
| 304 | defCls.declare<VisibilityDeclaration>(args: Visibility::Public); |
| 305 | defCls.declare<UsingDeclaration>(args: "Base::Base" ); |
| 306 | |
| 307 | // Emit the extra declarations first in case there's a definition in there. |
| 308 | std::string = formatExtraDeclarations(def); |
| 309 | std::string = formatExtraDefinitions(def); |
| 310 | defCls.declare<ExtraClassDeclaration>(args: std::move(extraDecl), |
| 311 | args: std::move(extraDef)); |
| 312 | } |
| 313 | |
| 314 | void DefGen::emitName() { |
| 315 | StringRef name; |
| 316 | if (auto *attrDef = dyn_cast<AttrDef>(Val: &def)) { |
| 317 | name = attrDef->getAttrName(); |
| 318 | } else { |
| 319 | auto *typeDef = cast<TypeDef>(Val: &def); |
| 320 | name = typeDef->getTypeName(); |
| 321 | } |
| 322 | std::string nameDecl = |
| 323 | strfmt(fmt: "static constexpr ::llvm::StringLiteral name = \"{0}\";\n" , parameters&: name); |
| 324 | defCls.declare<ExtraClassDeclaration>(args: std::move(nameDecl)); |
| 325 | } |
| 326 | |
| 327 | void DefGen::emitDialectName() { |
| 328 | std::string decl = |
| 329 | strfmt(fmt: "static constexpr ::llvm::StringLiteral dialectName = \"{0}\";\n" , |
| 330 | parameters: def.getDialect().getName()); |
| 331 | defCls.declare<ExtraClassDeclaration>(args: std::move(decl)); |
| 332 | } |
| 333 | |
| 334 | void DefGen::emitBuilders() { |
| 335 | if (!def.skipDefaultBuilders()) { |
| 336 | emitDefaultBuilder(); |
| 337 | if (def.genVerifyDecl() || def.genVerifyInvariantsImpl()) |
| 338 | emitCheckedBuilder(); |
| 339 | } |
| 340 | for (auto &builder : def.getBuilders()) { |
| 341 | emitCustomBuilder(builder); |
| 342 | if (def.genVerifyDecl() || def.genVerifyInvariantsImpl()) |
| 343 | emitCheckedCustomBuilder(builder); |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | void DefGen::emitVerifierDecl() { |
| 348 | defCls.declareStaticMethod( |
| 349 | retType: "::llvm::LogicalResult" , name: "verify" , |
| 350 | args: getBuilderParams(prefix: {{"::llvm::function_ref<::mlir::InFlightDiagnostic()>" , |
| 351 | "emitError" }})); |
| 352 | } |
| 353 | |
| 354 | static const char *const patternParameterVerificationCode = R"( |
| 355 | if (!({0})) { |
| 356 | emitError() << "failed to verify '{1}': {2}"; |
| 357 | return ::mlir::failure(); |
| 358 | } |
| 359 | )" ; |
| 360 | |
| 361 | void DefGen::emitInvariantsVerifierImpl() { |
| 362 | SmallVector<MethodParameter> builderParams = getBuilderParams( |
| 363 | prefix: {{"::llvm::function_ref<::mlir::InFlightDiagnostic()>" , "emitError" }}); |
| 364 | Method *verifier = |
| 365 | defCls.addMethod(retType: "::llvm::LogicalResult" , name: "verifyInvariantsImpl" , |
| 366 | properties: Method::Static, args&: builderParams); |
| 367 | verifier->body().indent(); |
| 368 | |
| 369 | // Generate verification for each parameter that is a type constraint. |
| 370 | for (auto it : llvm::enumerate(First: def.getParameters())) { |
| 371 | const AttrOrTypeParameter ¶m = it.value(); |
| 372 | std::optional<Constraint> constraint = param.getConstraint(); |
| 373 | // No verification needed for parameters that are not type constraints. |
| 374 | if (!constraint.has_value()) |
| 375 | continue; |
| 376 | FmtContext ctx; |
| 377 | // Note: Skip over the first method parameter (`emitError`). |
| 378 | ctx.withSelf(subst: builderParams[it.index() + 1].getName()); |
| 379 | std::string condition = tgfmt(fmt: constraint->getConditionTemplate(), ctx: &ctx); |
| 380 | verifier->body() << formatv(Fmt: patternParameterVerificationCode, Vals&: condition, |
| 381 | Vals: param.getName(), Vals: constraint->getSummary()) |
| 382 | << "\n" ; |
| 383 | } |
| 384 | verifier->body() << "return ::mlir::success();" ; |
| 385 | } |
| 386 | |
| 387 | void DefGen::emitInvariantsVerifier(bool hasImpl, bool hasCustomVerifier) { |
| 388 | if (!hasImpl && !hasCustomVerifier) |
| 389 | return; |
| 390 | defCls.declare<UsingDeclaration>(args: "Base::getChecked" ); |
| 391 | SmallVector<MethodParameter> builderParams = getBuilderParams( |
| 392 | prefix: {{"::llvm::function_ref<::mlir::InFlightDiagnostic()>" , "emitError" }}); |
| 393 | Method *verifier = |
| 394 | defCls.addMethod(retType: "::llvm::LogicalResult" , name: "verifyInvariants" , |
| 395 | properties: Method::Static, args&: builderParams); |
| 396 | verifier->body().indent(); |
| 397 | |
| 398 | auto emitVerifierCall = [&](StringRef name) { |
| 399 | verifier->body() << strfmt(fmt: "if (::mlir::failed({0}(" , parameters&: name); |
| 400 | llvm::interleaveComma( |
| 401 | c: llvm::map_range(C&: builderParams, |
| 402 | F: [](auto ¶m) { return param.getName(); }), |
| 403 | os&: verifier->body()); |
| 404 | verifier->body() << ")))\n" ; |
| 405 | verifier->body() << " return ::mlir::failure();\n" ; |
| 406 | }; |
| 407 | |
| 408 | if (hasImpl) { |
| 409 | // Call the verifier that checks the type constraints. |
| 410 | emitVerifierCall("verifyInvariantsImpl" ); |
| 411 | } |
| 412 | if (hasCustomVerifier) { |
| 413 | // Call the custom verifier that is provided by the user. |
| 414 | emitVerifierCall("verify" ); |
| 415 | } |
| 416 | verifier->body() << "return ::mlir::success();" ; |
| 417 | } |
| 418 | |
| 419 | void DefGen::emitParserPrinter() { |
| 420 | auto *mnemonic = defCls.addStaticMethod<Method::Constexpr>( |
| 421 | retType: "::llvm::StringLiteral" , name: "getMnemonic" ); |
| 422 | mnemonic->body().indent() << strfmt(fmt: "return {\"{0}\"};" , parameters: *def.getMnemonic()); |
| 423 | |
| 424 | // Declare the parser and printer, if needed. |
| 425 | bool hasAssemblyFormat = def.getAssemblyFormat().has_value(); |
| 426 | if (!def.hasCustomAssemblyFormat() && !hasAssemblyFormat) |
| 427 | return; |
| 428 | |
| 429 | // Declare the parser. |
| 430 | SmallVector<MethodParameter> parserParams; |
| 431 | parserParams.emplace_back(Args: "::mlir::AsmParser &" , Args: "odsParser" ); |
| 432 | if (isa<AttrDef>(Val: &def)) |
| 433 | parserParams.emplace_back(Args: "::mlir::Type" , Args: "odsType" ); |
| 434 | auto *parser = defCls.addMethod(retType: strfmt(fmt: "::mlir::{0}" , parameters&: valueType), name: "parse" , |
| 435 | properties: hasAssemblyFormat ? Method::Static |
| 436 | : Method::StaticDeclaration, |
| 437 | args: std::move(parserParams)); |
| 438 | // Declare the printer. |
| 439 | auto props = hasAssemblyFormat ? Method::Const : Method::ConstDeclaration; |
| 440 | Method *printer = |
| 441 | defCls.addMethod(retType: "void" , name: "print" , properties: props, |
| 442 | args: MethodParameter("::mlir::AsmPrinter &" , "odsPrinter" )); |
| 443 | // Emit the bodies if we are using the declarative format. |
| 444 | if (hasAssemblyFormat) |
| 445 | return generateAttrOrTypeFormat(def, parser&: parser->body(), printer&: printer->body()); |
| 446 | } |
| 447 | |
| 448 | void DefGen::emitAccessors() { |
| 449 | for (auto ¶m : params) { |
| 450 | Method *m = defCls.addMethod( |
| 451 | retType: param.getCppAccessorType(), name: param.getAccessorName(), |
| 452 | properties: def.genStorageClass() ? Method::Const : Method::ConstDeclaration); |
| 453 | // Generate accessor definitions only if we also generate the storage |
| 454 | // class. Otherwise, let the user define the exact accessor definition. |
| 455 | if (!def.genStorageClass()) |
| 456 | continue; |
| 457 | m->body().indent() << "return getImpl()->" << param.getName() << ";" ; |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | void DefGen::emitInterfaceMethods() { |
| 462 | for (auto &traitDef : def.getTraits()) |
| 463 | if (auto *trait = dyn_cast<InterfaceTrait>(Val: &traitDef)) |
| 464 | if (trait->shouldDeclareMethods()) |
| 465 | emitTraitMethods(trait: *trait); |
| 466 | } |
| 467 | |
| 468 | //===----------------------------------------------------------------------===// |
| 469 | // Builder Emission |
| 470 | //===----------------------------------------------------------------------===// |
| 471 | |
| 472 | SmallVector<MethodParameter> |
| 473 | DefGen::getBuilderParams(std::initializer_list<MethodParameter> prefix) const { |
| 474 | SmallVector<MethodParameter> builderParams; |
| 475 | builderParams.append(in_start: prefix.begin(), in_end: prefix.end()); |
| 476 | for (auto ¶m : params) |
| 477 | builderParams.emplace_back(Args: param.getCppType(), Args: param.getName()); |
| 478 | return builderParams; |
| 479 | } |
| 480 | |
| 481 | void DefGen::emitDefaultBuilder() { |
| 482 | Method *m = defCls.addStaticMethod( |
| 483 | retType: def.getCppClassName(), name: "get" , |
| 484 | args: getBuilderParams(prefix: {{"::mlir::MLIRContext *" , "context" }})); |
| 485 | MethodBody &body = m->body().indent(); |
| 486 | auto scope = body.scope(open: "return Base::get(context" , close: ");" ); |
| 487 | for (const auto ¶m : params) |
| 488 | body << ", std::move(" << param.getName() << ")" ; |
| 489 | } |
| 490 | |
| 491 | void DefGen::emitCheckedBuilder() { |
| 492 | Method *m = defCls.addStaticMethod( |
| 493 | retType: def.getCppClassName(), name: "getChecked" , |
| 494 | args: getBuilderParams( |
| 495 | prefix: {{"::llvm::function_ref<::mlir::InFlightDiagnostic()>" , "emitError" }, |
| 496 | {"::mlir::MLIRContext *" , "context" }})); |
| 497 | MethodBody &body = m->body().indent(); |
| 498 | auto scope = body.scope(open: "return Base::getChecked(emitError, context" , close: ");" ); |
| 499 | for (const auto ¶m : params) |
| 500 | body << ", " << param.getName(); |
| 501 | } |
| 502 | |
| 503 | static SmallVector<MethodParameter> |
| 504 | getCustomBuilderParams(std::initializer_list<MethodParameter> prefix, |
| 505 | const AttrOrTypeBuilder &builder) { |
| 506 | auto params = builder.getParameters(); |
| 507 | SmallVector<MethodParameter> builderParams; |
| 508 | builderParams.append(in_start: prefix.begin(), in_end: prefix.end()); |
| 509 | if (!builder.hasInferredContextParameter()) |
| 510 | builderParams.emplace_back(Args: "::mlir::MLIRContext *" , Args: "context" ); |
| 511 | for (auto ¶m : params) { |
| 512 | builderParams.emplace_back(Args: param.getCppType(), Args: *param.getName(), |
| 513 | Args: param.getDefaultValue()); |
| 514 | } |
| 515 | return builderParams; |
| 516 | } |
| 517 | |
| 518 | void DefGen::emitCustomBuilder(const AttrOrTypeBuilder &builder) { |
| 519 | // Don't emit a body if there isn't one. |
| 520 | auto props = builder.getBody() ? Method::Static : Method::StaticDeclaration; |
| 521 | StringRef returnType = def.getCppClassName(); |
| 522 | if (std::optional<StringRef> builderReturnType = builder.getReturnType()) |
| 523 | returnType = *builderReturnType; |
| 524 | Method *m = defCls.addMethod(retType&: returnType, name: "get" , properties: props, |
| 525 | args: getCustomBuilderParams(prefix: {}, builder)); |
| 526 | if (!builder.getBody()) |
| 527 | return; |
| 528 | |
| 529 | // Format the body and emit it. |
| 530 | FmtContext ctx; |
| 531 | ctx.addSubst(placeholder: "_get" , subst: "Base::get" ); |
| 532 | if (!builder.hasInferredContextParameter()) |
| 533 | ctx.addSubst(placeholder: "_ctxt" , subst: "context" ); |
| 534 | std::string bodyStr = tgfmt(fmt: *builder.getBody(), ctx: &ctx); |
| 535 | m->body().indent().getStream().printReindented(str: bodyStr); |
| 536 | } |
| 537 | |
| 538 | /// Replace all instances of 'from' to 'to' in `str` and return the new string. |
| 539 | static std::string replaceInStr(std::string str, StringRef from, StringRef to) { |
| 540 | size_t pos = 0; |
| 541 | while ((pos = str.find(s: from.data(), pos: pos, n: from.size())) != std::string::npos) |
| 542 | str.replace(pos: pos, n1: from.size(), s: to.data(), n2: to.size()); |
| 543 | return str; |
| 544 | } |
| 545 | |
| 546 | void DefGen::emitCheckedCustomBuilder(const AttrOrTypeBuilder &builder) { |
| 547 | // Don't emit a body if there isn't one. |
| 548 | auto props = builder.getBody() ? Method::Static : Method::StaticDeclaration; |
| 549 | StringRef returnType = def.getCppClassName(); |
| 550 | if (std::optional<StringRef> builderReturnType = builder.getReturnType()) |
| 551 | returnType = *builderReturnType; |
| 552 | Method *m = defCls.addMethod( |
| 553 | retType&: returnType, name: "getChecked" , properties: props, |
| 554 | args: getCustomBuilderParams( |
| 555 | prefix: {{"::llvm::function_ref<::mlir::InFlightDiagnostic()>" , "emitError" }}, |
| 556 | builder)); |
| 557 | if (!builder.getBody()) |
| 558 | return; |
| 559 | |
| 560 | // Format the body and emit it. Replace $_get(...) with |
| 561 | // Base::getChecked(emitError, ...) |
| 562 | FmtContext ctx; |
| 563 | if (!builder.hasInferredContextParameter()) |
| 564 | ctx.addSubst(placeholder: "_ctxt" , subst: "context" ); |
| 565 | std::string bodyStr = replaceInStr(str: builder.getBody()->str(), from: "$_get(" , |
| 566 | to: "Base::getChecked(emitError, " ); |
| 567 | bodyStr = tgfmt(fmt: bodyStr, ctx: &ctx); |
| 568 | m->body().indent().getStream().printReindented(str: bodyStr); |
| 569 | } |
| 570 | |
| 571 | //===----------------------------------------------------------------------===// |
| 572 | // Interface Method Emission |
| 573 | //===----------------------------------------------------------------------===// |
| 574 | |
| 575 | void DefGen::emitTraitMethods(const InterfaceTrait &trait) { |
| 576 | // Get the set of methods that should always be declared. |
| 577 | auto alwaysDeclaredMethods = trait.getAlwaysDeclaredMethods(); |
| 578 | StringSet<> alwaysDeclared; |
| 579 | alwaysDeclared.insert_range(R&: alwaysDeclaredMethods); |
| 580 | |
| 581 | Interface iface = trait.getInterface(); // causes strange bugs if elided |
| 582 | for (auto &method : iface.getMethods()) { |
| 583 | // Don't declare if the method has a body. Or if the method has a default |
| 584 | // implementation and the def didn't request that it always be declared. |
| 585 | if (method.getBody() || (method.getDefaultImplementation() && |
| 586 | !alwaysDeclared.count(Key: method.getName()))) |
| 587 | continue; |
| 588 | emitTraitMethod(method); |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | void DefGen::emitTraitMethod(const InterfaceMethod &method) { |
| 593 | // All interface methods are declaration-only. |
| 594 | auto props = |
| 595 | method.isStatic() ? Method::StaticDeclaration : Method::ConstDeclaration; |
| 596 | SmallVector<MethodParameter> params; |
| 597 | for (auto ¶m : method.getArguments()) |
| 598 | params.emplace_back(Args: param.type, Args: param.name); |
| 599 | defCls.addMethod(retType: method.getReturnType(), name: method.getName(), properties: props, |
| 600 | args: std::move(params)); |
| 601 | } |
| 602 | |
| 603 | //===----------------------------------------------------------------------===// |
| 604 | // OpAsm{Type,Attr}Interface Default Method Emission |
| 605 | |
| 606 | void DefGen::emitMnemonicAliasMethod() { |
| 607 | // If the mnemonic is not set, there is nothing to do. |
| 608 | if (!def.getMnemonic()) |
| 609 | return; |
| 610 | |
| 611 | // Emit the mnemonic alias method. |
| 612 | SmallVector<MethodParameter> params{{"::llvm::raw_ostream &" , "os" }}; |
| 613 | Method *m = defCls.addMethod<Method::Const>(retType: "::mlir::OpAsmAliasResult" , |
| 614 | name: "getAlias" , args: std::move(params)); |
| 615 | m->body().indent() << strfmt(fmt: "os << \"{0}\";\n" , parameters: *def.getMnemonic()) |
| 616 | << "return ::mlir::OpAsmAliasResult::OverridableAlias;\n" ; |
| 617 | } |
| 618 | |
| 619 | //===----------------------------------------------------------------------===// |
| 620 | // Storage Class Emission |
| 621 | //===----------------------------------------------------------------------===// |
| 622 | |
| 623 | void DefGen::emitStorageConstructor() { |
| 624 | Constructor *ctor = |
| 625 | storageCls->addConstructor<Method::Inline>(args: getBuilderParams(prefix: {})); |
| 626 | for (auto ¶m : params) { |
| 627 | std::string movedValue = ("std::move(" + param.getName() + ")" ).str(); |
| 628 | ctor->addMemberInitializer(name: param.getName(), value&: movedValue); |
| 629 | } |
| 630 | } |
| 631 | |
| 632 | void DefGen::emitKeyType() { |
| 633 | std::string keyType("std::tuple<" ); |
| 634 | llvm::raw_string_ostream os(keyType); |
| 635 | llvm::interleaveComma(c: params, os, |
| 636 | each_fn: [&](auto ¶m) { os << param.getCppType(); }); |
| 637 | os << '>'; |
| 638 | storageCls->declare<UsingDeclaration>(args: "KeyTy" , args: std::move(os.str())); |
| 639 | |
| 640 | // Add a method to construct the key type from the storage. |
| 641 | Method *m = storageCls->addConstMethod<Method::Inline>(retType: "KeyTy" , name: "getAsKey" ); |
| 642 | m->body().indent() << "return KeyTy(" ; |
| 643 | llvm::interleaveComma(c: params, os&: m->body().indent(), |
| 644 | each_fn: [&](auto ¶m) { m->body() << param.getName(); }); |
| 645 | m->body() << ");" ; |
| 646 | } |
| 647 | |
| 648 | void DefGen::emitEquals() { |
| 649 | Method *eq = storageCls->addConstMethod<Method::Inline>( |
| 650 | retType: "bool" , name: "operator==" , args: MethodParameter("const KeyTy &" , "tblgenKey" )); |
| 651 | auto &body = eq->body().indent(); |
| 652 | auto scope = body.scope(open: "return (" , close: ");" ); |
| 653 | const auto eachFn = [&](auto it) { |
| 654 | FmtContext ctx({{"_lhs" , it.value().getName()}, |
| 655 | {"_rhs" , strfmt("std::get<{0}>(tblgenKey)" , it.index())}}); |
| 656 | body << tgfmt(it.value().getComparator(), &ctx); |
| 657 | }; |
| 658 | llvm::interleave(c: llvm::enumerate(First&: params), os&: body, each_fn: eachFn, separator: ") && (" ); |
| 659 | } |
| 660 | |
| 661 | void DefGen::emitHashKey() { |
| 662 | Method *hash = storageCls->addStaticInlineMethod( |
| 663 | retType: "::llvm::hash_code" , name: "hashKey" , |
| 664 | args: MethodParameter("const KeyTy &" , "tblgenKey" )); |
| 665 | auto &body = hash->body().indent(); |
| 666 | auto scope = body.scope(open: "return ::llvm::hash_combine(" , close: ");" ); |
| 667 | llvm::interleaveComma(c: llvm::enumerate(First&: params), os&: body, each_fn: [&](auto it) { |
| 668 | body << llvm::formatv("std::get<{0}>(tblgenKey)" , it.index()); |
| 669 | }); |
| 670 | } |
| 671 | |
| 672 | void DefGen::emitConstruct() { |
| 673 | Method *construct = storageCls->addMethod<Method::Inline>( |
| 674 | retType: strfmt(fmt: "{0} *" , parameters: def.getStorageClassName()), name: "construct" , |
| 675 | properties: def.hasStorageCustomConstructor() ? Method::StaticDeclaration |
| 676 | : Method::Static, |
| 677 | args: MethodParameter(strfmt(fmt: "::mlir::{0}StorageAllocator &" , parameters&: valueType), |
| 678 | "allocator" ), |
| 679 | args: MethodParameter("KeyTy &&" , "tblgenKey" )); |
| 680 | if (!def.hasStorageCustomConstructor()) { |
| 681 | auto &body = construct->body().indent(); |
| 682 | for (const auto &it : llvm::enumerate(First&: params)) { |
| 683 | body << formatv(Fmt: "auto {0} = std::move(std::get<{1}>(tblgenKey));\n" , |
| 684 | Vals: it.value().getName(), Vals: it.index()); |
| 685 | } |
| 686 | // Use the parameters' custom allocator code, if provided. |
| 687 | FmtContext ctx = FmtContext().addSubst(placeholder: "_allocator" , subst: "allocator" ); |
| 688 | for (auto ¶m : params) { |
| 689 | if (std::optional<StringRef> allocCode = param.getAllocator()) { |
| 690 | ctx.withSelf(subst: param.getName()).addSubst(placeholder: "_dst" , subst: param.getName()); |
| 691 | body << tgfmt(fmt: *allocCode, ctx: &ctx) << '\n'; |
| 692 | } |
| 693 | } |
| 694 | auto scope = |
| 695 | body.scope(open: strfmt(fmt: "return new (allocator.allocate<{0}>()) {0}(" , |
| 696 | parameters: def.getStorageClassName()), |
| 697 | close: ");" ); |
| 698 | llvm::interleaveComma(c: params, os&: body, each_fn: [&](auto ¶m) { |
| 699 | body << "std::move(" << param.getName() << ")" ; |
| 700 | }); |
| 701 | } |
| 702 | } |
| 703 | |
| 704 | void DefGen::emitStorageClass() { |
| 705 | // Add the appropriate parent class. |
| 706 | storageCls->addParent(parent: strfmt(fmt: "::mlir::{0}Storage" , parameters&: valueType)); |
| 707 | // Add the constructor. |
| 708 | emitStorageConstructor(); |
| 709 | // Declare the key type. |
| 710 | emitKeyType(); |
| 711 | // Add the comparison method. |
| 712 | emitEquals(); |
| 713 | // Emit the key hash method. |
| 714 | emitHashKey(); |
| 715 | // Emit the storage constructor. Just declare it if the user wants to define |
| 716 | // it themself. |
| 717 | emitConstruct(); |
| 718 | // Emit the storage class members as public, at the very end of the struct. |
| 719 | storageCls->finalize(); |
| 720 | for (auto ¶m : params) { |
| 721 | if (param.getCppType().contains(Other: "APInt" ) && !param.hasCustomComparator()) { |
| 722 | PrintFatalError( |
| 723 | ErrorLoc: def.getLoc(), |
| 724 | Msg: "Using a raw APInt parameter without a custom comparator is " |
| 725 | "not supported because an assert in the equality operator is " |
| 726 | "triggered when the two APInts have different bit widths. This can " |
| 727 | "lead to unexpected crashes. Use an `APIntParameter` or " |
| 728 | "provide a custom comparator." ); |
| 729 | } |
| 730 | storageCls->declare<Field>(args: param.getCppType(), args: param.getName()); |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | //===----------------------------------------------------------------------===// |
| 735 | // DefGenerator |
| 736 | //===----------------------------------------------------------------------===// |
| 737 | |
| 738 | namespace { |
| 739 | /// This struct is the base generator used when processing tablegen interfaces. |
| 740 | class DefGenerator { |
| 741 | public: |
| 742 | bool emitDecls(StringRef selectedDialect); |
| 743 | bool emitDefs(StringRef selectedDialect); |
| 744 | |
| 745 | protected: |
| 746 | DefGenerator(ArrayRef<const Record *> defs, raw_ostream &os, |
| 747 | StringRef defType, StringRef valueType, bool isAttrGenerator) |
| 748 | : defRecords(defs), os(os), defType(defType), valueType(valueType), |
| 749 | isAttrGenerator(isAttrGenerator) { |
| 750 | // Sort by occurrence in file. |
| 751 | llvm::sort(C&: defRecords, Comp: [](const Record *lhs, const Record *rhs) { |
| 752 | return lhs->getID() < rhs->getID(); |
| 753 | }); |
| 754 | } |
| 755 | |
| 756 | /// Emit the list of def type names. |
| 757 | void emitTypeDefList(ArrayRef<AttrOrTypeDef> defs); |
| 758 | /// Emit the code to dispatch between different defs during parsing/printing. |
| 759 | void emitParsePrintDispatch(ArrayRef<AttrOrTypeDef> defs); |
| 760 | |
| 761 | /// The set of def records to emit. |
| 762 | std::vector<const Record *> defRecords; |
| 763 | /// The attribute or type class to emit. |
| 764 | /// The stream to emit to. |
| 765 | raw_ostream &os; |
| 766 | /// The prefix of the tablegen def name, e.g. Attr or Type. |
| 767 | StringRef defType; |
| 768 | /// The C++ base value type of the def, e.g. Attribute or Type. |
| 769 | StringRef valueType; |
| 770 | /// Flag indicating if this generator is for Attributes. False if the |
| 771 | /// generator is for types. |
| 772 | bool isAttrGenerator; |
| 773 | }; |
| 774 | |
| 775 | /// A specialized generator for AttrDefs. |
| 776 | struct AttrDefGenerator : public DefGenerator { |
| 777 | AttrDefGenerator(const RecordKeeper &records, raw_ostream &os) |
| 778 | : DefGenerator(records.getAllDerivedDefinitionsIfDefined(ClassName: "AttrDef" ), os, |
| 779 | "Attr" , "Attribute" , /*isAttrGenerator=*/true) {} |
| 780 | }; |
| 781 | /// A specialized generator for TypeDefs. |
| 782 | struct TypeDefGenerator : public DefGenerator { |
| 783 | TypeDefGenerator(const RecordKeeper &records, raw_ostream &os) |
| 784 | : DefGenerator(records.getAllDerivedDefinitionsIfDefined(ClassName: "TypeDef" ), os, |
| 785 | "Type" , "Type" , /*isAttrGenerator=*/false) {} |
| 786 | }; |
| 787 | } // namespace |
| 788 | |
| 789 | //===----------------------------------------------------------------------===// |
| 790 | // GEN: Declarations |
| 791 | //===----------------------------------------------------------------------===// |
| 792 | |
| 793 | /// Print this above all the other declarations. Contains type declarations used |
| 794 | /// later on. |
| 795 | static const char *const = R"( |
| 796 | namespace mlir { |
| 797 | class AsmParser; |
| 798 | class AsmPrinter; |
| 799 | } // namespace mlir |
| 800 | )" ; |
| 801 | |
| 802 | bool DefGenerator::emitDecls(StringRef selectedDialect) { |
| 803 | emitSourceFileHeader(Desc: (defType + "Def Declarations" ).str(), OS&: os); |
| 804 | IfDefScope scope("GET_" + defType.upper() + "DEF_CLASSES" , os); |
| 805 | |
| 806 | // Output the common "header". |
| 807 | os << typeDefDeclHeader; |
| 808 | |
| 809 | SmallVector<AttrOrTypeDef, 16> defs; |
| 810 | collectAllDefs(selectedDialect, records: defRecords, resultDefs&: defs); |
| 811 | if (defs.empty()) |
| 812 | return false; |
| 813 | { |
| 814 | NamespaceEmitter nsEmitter(os, defs.front().getDialect()); |
| 815 | |
| 816 | // Declare all the def classes first (in case they reference each other). |
| 817 | for (const AttrOrTypeDef &def : defs) { |
| 818 | std::string = tblgen::emitSummaryAndDescComments( |
| 819 | summary: def.getSummary(), description: def.getDescription()); |
| 820 | if (!comments.empty()) { |
| 821 | os << comments << "\n" ; |
| 822 | } |
| 823 | os << "class " << def.getCppClassName() << ";\n" ; |
| 824 | } |
| 825 | |
| 826 | // Emit the declarations. |
| 827 | for (const AttrOrTypeDef &def : defs) |
| 828 | DefGen(def).emitDecl(os); |
| 829 | } |
| 830 | // Emit the TypeID explicit specializations to have a single definition for |
| 831 | // each of these. |
| 832 | for (const AttrOrTypeDef &def : defs) |
| 833 | if (!def.getDialect().getCppNamespace().empty()) |
| 834 | os << "MLIR_DECLARE_EXPLICIT_TYPE_ID(" |
| 835 | << def.getDialect().getCppNamespace() << "::" << def.getCppClassName() |
| 836 | << ")\n" ; |
| 837 | |
| 838 | return false; |
| 839 | } |
| 840 | |
| 841 | //===----------------------------------------------------------------------===// |
| 842 | // GEN: Def List |
| 843 | //===----------------------------------------------------------------------===// |
| 844 | |
| 845 | void DefGenerator::emitTypeDefList(ArrayRef<AttrOrTypeDef> defs) { |
| 846 | IfDefScope scope("GET_" + defType.upper() + "DEF_LIST" , os); |
| 847 | auto interleaveFn = [&](const AttrOrTypeDef &def) { |
| 848 | os << def.getDialect().getCppNamespace() << "::" << def.getCppClassName(); |
| 849 | }; |
| 850 | llvm::interleave(c: defs, os, each_fn: interleaveFn, separator: ",\n" ); |
| 851 | os << "\n" ; |
| 852 | } |
| 853 | |
| 854 | //===----------------------------------------------------------------------===// |
| 855 | // GEN: Definitions |
| 856 | //===----------------------------------------------------------------------===// |
| 857 | |
| 858 | /// The code block for default attribute parser/printer dispatch boilerplate. |
| 859 | /// {0}: the dialect fully qualified class name. |
| 860 | /// {1}: the optional code for the dynamic attribute parser dispatch. |
| 861 | /// {2}: the optional code for the dynamic attribute printer dispatch. |
| 862 | static const char *const dialectDefaultAttrPrinterParserDispatch = R"( |
| 863 | /// Parse an attribute registered to this dialect. |
| 864 | ::mlir::Attribute {0}::parseAttribute(::mlir::DialectAsmParser &parser, |
| 865 | ::mlir::Type type) const {{ |
| 866 | ::llvm::SMLoc typeLoc = parser.getCurrentLocation(); |
| 867 | ::llvm::StringRef attrTag; |
| 868 | {{ |
| 869 | ::mlir::Attribute attr; |
| 870 | auto parseResult = generatedAttributeParser(parser, &attrTag, type, attr); |
| 871 | if (parseResult.has_value()) |
| 872 | return attr; |
| 873 | } |
| 874 | {1} |
| 875 | parser.emitError(typeLoc) << "unknown attribute `" |
| 876 | << attrTag << "` in dialect `" << getNamespace() << "`"; |
| 877 | return {{}; |
| 878 | } |
| 879 | /// Print an attribute registered to this dialect. |
| 880 | void {0}::printAttribute(::mlir::Attribute attr, |
| 881 | ::mlir::DialectAsmPrinter &printer) const {{ |
| 882 | if (::mlir::succeeded(generatedAttributePrinter(attr, printer))) |
| 883 | return; |
| 884 | {2} |
| 885 | } |
| 886 | )" ; |
| 887 | |
| 888 | /// The code block for dynamic attribute parser dispatch boilerplate. |
| 889 | static const char *const dialectDynamicAttrParserDispatch = R"( |
| 890 | { |
| 891 | ::mlir::Attribute genAttr; |
| 892 | auto parseResult = parseOptionalDynamicAttr(attrTag, parser, genAttr); |
| 893 | if (parseResult.has_value()) { |
| 894 | if (::mlir::succeeded(parseResult.value())) |
| 895 | return genAttr; |
| 896 | return Attribute(); |
| 897 | } |
| 898 | } |
| 899 | )" ; |
| 900 | |
| 901 | /// The code block for dynamic type printer dispatch boilerplate. |
| 902 | static const char *const dialectDynamicAttrPrinterDispatch = R"( |
| 903 | if (::mlir::succeeded(printIfDynamicAttr(attr, printer))) |
| 904 | return; |
| 905 | )" ; |
| 906 | |
| 907 | /// The code block for default type parser/printer dispatch boilerplate. |
| 908 | /// {0}: the dialect fully qualified class name. |
| 909 | /// {1}: the optional code for the dynamic type parser dispatch. |
| 910 | /// {2}: the optional code for the dynamic type printer dispatch. |
| 911 | static const char *const dialectDefaultTypePrinterParserDispatch = R"( |
| 912 | /// Parse a type registered to this dialect. |
| 913 | ::mlir::Type {0}::parseType(::mlir::DialectAsmParser &parser) const {{ |
| 914 | ::llvm::SMLoc typeLoc = parser.getCurrentLocation(); |
| 915 | ::llvm::StringRef mnemonic; |
| 916 | ::mlir::Type genType; |
| 917 | auto parseResult = generatedTypeParser(parser, &mnemonic, genType); |
| 918 | if (parseResult.has_value()) |
| 919 | return genType; |
| 920 | {1} |
| 921 | parser.emitError(typeLoc) << "unknown type `" |
| 922 | << mnemonic << "` in dialect `" << getNamespace() << "`"; |
| 923 | return {{}; |
| 924 | } |
| 925 | /// Print a type registered to this dialect. |
| 926 | void {0}::printType(::mlir::Type type, |
| 927 | ::mlir::DialectAsmPrinter &printer) const {{ |
| 928 | if (::mlir::succeeded(generatedTypePrinter(type, printer))) |
| 929 | return; |
| 930 | {2} |
| 931 | } |
| 932 | )" ; |
| 933 | |
| 934 | /// The code block for dynamic type parser dispatch boilerplate. |
| 935 | static const char *const dialectDynamicTypeParserDispatch = R"( |
| 936 | { |
| 937 | auto parseResult = parseOptionalDynamicType(mnemonic, parser, genType); |
| 938 | if (parseResult.has_value()) { |
| 939 | if (::mlir::succeeded(parseResult.value())) |
| 940 | return genType; |
| 941 | return ::mlir::Type(); |
| 942 | } |
| 943 | } |
| 944 | )" ; |
| 945 | |
| 946 | /// The code block for dynamic type printer dispatch boilerplate. |
| 947 | static const char *const dialectDynamicTypePrinterDispatch = R"( |
| 948 | if (::mlir::succeeded(printIfDynamicType(type, printer))) |
| 949 | return; |
| 950 | )" ; |
| 951 | |
| 952 | /// Emit the dialect printer/parser dispatcher. User's code should call these |
| 953 | /// functions from their dialect's print/parse methods. |
| 954 | void DefGenerator::emitParsePrintDispatch(ArrayRef<AttrOrTypeDef> defs) { |
| 955 | if (llvm::none_of(Range&: defs, P: [](const AttrOrTypeDef &def) { |
| 956 | return def.getMnemonic().has_value(); |
| 957 | })) { |
| 958 | return; |
| 959 | } |
| 960 | // Declare the parser. |
| 961 | SmallVector<MethodParameter> params = {{"::mlir::AsmParser &" , "parser" }, |
| 962 | {"::llvm::StringRef *" , "mnemonic" }}; |
| 963 | if (isAttrGenerator) |
| 964 | params.emplace_back(Args: "::mlir::Type" , Args: "type" ); |
| 965 | params.emplace_back(Args: strfmt(fmt: "::mlir::{0} &" , parameters&: valueType), Args: "value" ); |
| 966 | Method parse("::mlir::OptionalParseResult" , |
| 967 | strfmt(fmt: "generated{0}Parser" , parameters&: valueType), Method::StaticInline, |
| 968 | std::move(params)); |
| 969 | // Declare the printer. |
| 970 | Method printer("::llvm::LogicalResult" , |
| 971 | strfmt(fmt: "generated{0}Printer" , parameters&: valueType), Method::StaticInline, |
| 972 | {{strfmt(fmt: "::mlir::{0}" , parameters&: valueType), "def" }, |
| 973 | {"::mlir::AsmPrinter &" , "printer" }}); |
| 974 | |
| 975 | // The parser dispatch uses a KeywordSwitch, matching on the mnemonic and |
| 976 | // calling the def's parse function. |
| 977 | parse.body() << " return " |
| 978 | "::mlir::AsmParser::KeywordSwitch<::mlir::" |
| 979 | "OptionalParseResult>(parser)\n" ; |
| 980 | const char *const getValueForMnemonic = |
| 981 | R"( .Case({0}::getMnemonic(), [&](llvm::StringRef, llvm::SMLoc) {{ |
| 982 | value = {0}::{1}; |
| 983 | return ::mlir::success(!!value); |
| 984 | }) |
| 985 | )" ; |
| 986 | |
| 987 | // The printer dispatch uses llvm::TypeSwitch to find and call the correct |
| 988 | // printer. |
| 989 | printer.body() << " return ::llvm::TypeSwitch<::mlir::" << valueType |
| 990 | << ", ::llvm::LogicalResult>(def)" ; |
| 991 | const char *const printValue = R"( .Case<{0}>([&](auto t) {{ |
| 992 | printer << {0}::getMnemonic();{1} |
| 993 | return ::mlir::success(); |
| 994 | }) |
| 995 | )" ; |
| 996 | for (auto &def : defs) { |
| 997 | if (!def.getMnemonic()) |
| 998 | continue; |
| 999 | bool hasParserPrinterDecl = |
| 1000 | def.hasCustomAssemblyFormat() || def.getAssemblyFormat(); |
| 1001 | std::string defClass = strfmt( |
| 1002 | fmt: "{0}::{1}" , parameters: def.getDialect().getCppNamespace(), parameters: def.getCppClassName()); |
| 1003 | |
| 1004 | // If the def has no parameters or parser code, invoke a normal `get`. |
| 1005 | std::string parseOrGet = |
| 1006 | hasParserPrinterDecl |
| 1007 | ? strfmt(fmt: "parse(parser{0})" , parameters: isAttrGenerator ? ", type" : "" ) |
| 1008 | : "get(parser.getContext())" ; |
| 1009 | parse.body() << llvm::formatv(Fmt: getValueForMnemonic, Vals&: defClass, Vals&: parseOrGet); |
| 1010 | |
| 1011 | // If the def has no parameters and no printer, just print the mnemonic. |
| 1012 | StringRef printDef = "" ; |
| 1013 | if (hasParserPrinterDecl) |
| 1014 | printDef = "\nt.print(printer);" ; |
| 1015 | printer.body() << llvm::formatv(Fmt: printValue, Vals&: defClass, Vals&: printDef); |
| 1016 | } |
| 1017 | parse.body() << " .Default([&](llvm::StringRef keyword, llvm::SMLoc) {\n" |
| 1018 | " *mnemonic = keyword;\n" |
| 1019 | " return std::nullopt;\n" |
| 1020 | " });" ; |
| 1021 | printer.body() << " .Default([](auto) { return ::mlir::failure(); });" ; |
| 1022 | |
| 1023 | raw_indented_ostream indentedOs(os); |
| 1024 | parse.writeDeclTo(os&: indentedOs); |
| 1025 | printer.writeDeclTo(os&: indentedOs); |
| 1026 | } |
| 1027 | |
| 1028 | bool DefGenerator::emitDefs(StringRef selectedDialect) { |
| 1029 | emitSourceFileHeader(Desc: (defType + "Def Definitions" ).str(), OS&: os); |
| 1030 | |
| 1031 | SmallVector<AttrOrTypeDef, 16> defs; |
| 1032 | collectAllDefs(selectedDialect, records: defRecords, resultDefs&: defs); |
| 1033 | if (defs.empty()) |
| 1034 | return false; |
| 1035 | emitTypeDefList(defs); |
| 1036 | |
| 1037 | IfDefScope scope("GET_" + defType.upper() + "DEF_CLASSES" , os); |
| 1038 | emitParsePrintDispatch(defs); |
| 1039 | for (const AttrOrTypeDef &def : defs) { |
| 1040 | { |
| 1041 | NamespaceEmitter ns(os, def.getDialect()); |
| 1042 | DefGen gen(def); |
| 1043 | gen.emitDef(os); |
| 1044 | } |
| 1045 | // Emit the TypeID explicit specializations to have a single symbol def. |
| 1046 | if (!def.getDialect().getCppNamespace().empty()) |
| 1047 | os << "MLIR_DEFINE_EXPLICIT_TYPE_ID(" |
| 1048 | << def.getDialect().getCppNamespace() << "::" << def.getCppClassName() |
| 1049 | << ")\n" ; |
| 1050 | } |
| 1051 | |
| 1052 | Dialect firstDialect = defs.front().getDialect(); |
| 1053 | |
| 1054 | // Emit the default parser/printer for Attributes if the dialect asked for it. |
| 1055 | if (isAttrGenerator && firstDialect.useDefaultAttributePrinterParser()) { |
| 1056 | NamespaceEmitter nsEmitter(os, firstDialect); |
| 1057 | if (firstDialect.isExtensible()) { |
| 1058 | os << llvm::formatv(Fmt: dialectDefaultAttrPrinterParserDispatch, |
| 1059 | Vals: firstDialect.getCppClassName(), |
| 1060 | Vals: dialectDynamicAttrParserDispatch, |
| 1061 | Vals: dialectDynamicAttrPrinterDispatch); |
| 1062 | } else { |
| 1063 | os << llvm::formatv(Fmt: dialectDefaultAttrPrinterParserDispatch, |
| 1064 | Vals: firstDialect.getCppClassName(), Vals: "" , Vals: "" ); |
| 1065 | } |
| 1066 | } |
| 1067 | |
| 1068 | // Emit the default parser/printer for Types if the dialect asked for it. |
| 1069 | if (!isAttrGenerator && firstDialect.useDefaultTypePrinterParser()) { |
| 1070 | NamespaceEmitter nsEmitter(os, firstDialect); |
| 1071 | if (firstDialect.isExtensible()) { |
| 1072 | os << llvm::formatv(Fmt: dialectDefaultTypePrinterParserDispatch, |
| 1073 | Vals: firstDialect.getCppClassName(), |
| 1074 | Vals: dialectDynamicTypeParserDispatch, |
| 1075 | Vals: dialectDynamicTypePrinterDispatch); |
| 1076 | } else { |
| 1077 | os << llvm::formatv(Fmt: dialectDefaultTypePrinterParserDispatch, |
| 1078 | Vals: firstDialect.getCppClassName(), Vals: "" , Vals: "" ); |
| 1079 | } |
| 1080 | } |
| 1081 | |
| 1082 | return false; |
| 1083 | } |
| 1084 | |
| 1085 | //===----------------------------------------------------------------------===// |
| 1086 | // Type Constraints |
| 1087 | //===----------------------------------------------------------------------===// |
| 1088 | |
| 1089 | /// Find all type constraints for which a C++ function should be generated. |
| 1090 | static std::vector<Constraint> |
| 1091 | getAllTypeConstraints(const RecordKeeper &records) { |
| 1092 | std::vector<Constraint> result; |
| 1093 | for (const Record *def : |
| 1094 | records.getAllDerivedDefinitionsIfDefined(ClassName: "TypeConstraint" )) { |
| 1095 | // Ignore constraints defined outside of the top-level file. |
| 1096 | if (llvm::SrcMgr.FindBufferContainingLoc(Loc: def->getLoc()[0]) != |
| 1097 | llvm::SrcMgr.getMainFileID()) |
| 1098 | continue; |
| 1099 | Constraint constr(def); |
| 1100 | // Generate C++ function only if "cppFunctionName" is set. |
| 1101 | if (!constr.getCppFunctionName()) |
| 1102 | continue; |
| 1103 | result.push_back(x: constr); |
| 1104 | } |
| 1105 | return result; |
| 1106 | } |
| 1107 | |
| 1108 | static void emitTypeConstraintDecls(const RecordKeeper &records, |
| 1109 | raw_ostream &os) { |
| 1110 | static const char *const typeConstraintDecl = R"( |
| 1111 | bool {0}(::mlir::Type type); |
| 1112 | )" ; |
| 1113 | |
| 1114 | for (Constraint constr : getAllTypeConstraints(records)) |
| 1115 | os << strfmt(fmt: typeConstraintDecl, parameters: *constr.getCppFunctionName()); |
| 1116 | } |
| 1117 | |
| 1118 | static void emitTypeConstraintDefs(const RecordKeeper &records, |
| 1119 | raw_ostream &os) { |
| 1120 | static const char *const typeConstraintDef = R"( |
| 1121 | bool {0}(::mlir::Type type) { |
| 1122 | return ({1}); |
| 1123 | } |
| 1124 | )" ; |
| 1125 | |
| 1126 | for (Constraint constr : getAllTypeConstraints(records)) { |
| 1127 | FmtContext ctx; |
| 1128 | ctx.withSelf(subst: "type" ); |
| 1129 | std::string condition = tgfmt(fmt: constr.getConditionTemplate(), ctx: &ctx); |
| 1130 | os << strfmt(fmt: typeConstraintDef, parameters: *constr.getCppFunctionName(), parameters&: condition); |
| 1131 | } |
| 1132 | } |
| 1133 | |
| 1134 | //===----------------------------------------------------------------------===// |
| 1135 | // GEN: Registration hooks |
| 1136 | //===----------------------------------------------------------------------===// |
| 1137 | |
| 1138 | //===----------------------------------------------------------------------===// |
| 1139 | // AttrDef |
| 1140 | //===----------------------------------------------------------------------===// |
| 1141 | |
| 1142 | static llvm::cl::OptionCategory attrdefGenCat("Options for -gen-attrdef-*" ); |
| 1143 | static llvm::cl::opt<std::string> |
| 1144 | attrDialect("attrdefs-dialect" , |
| 1145 | llvm::cl::desc("Generate attributes for this dialect" ), |
| 1146 | llvm::cl::cat(attrdefGenCat), llvm::cl::CommaSeparated); |
| 1147 | |
| 1148 | static mlir::GenRegistration |
| 1149 | genAttrDefs("gen-attrdef-defs" , "Generate AttrDef definitions" , |
| 1150 | [](const RecordKeeper &records, raw_ostream &os) { |
| 1151 | AttrDefGenerator generator(records, os); |
| 1152 | return generator.emitDefs(selectedDialect: attrDialect); |
| 1153 | }); |
| 1154 | static mlir::GenRegistration |
| 1155 | genAttrDecls("gen-attrdef-decls" , "Generate AttrDef declarations" , |
| 1156 | [](const RecordKeeper &records, raw_ostream &os) { |
| 1157 | AttrDefGenerator generator(records, os); |
| 1158 | return generator.emitDecls(selectedDialect: attrDialect); |
| 1159 | }); |
| 1160 | |
| 1161 | //===----------------------------------------------------------------------===// |
| 1162 | // TypeDef |
| 1163 | //===----------------------------------------------------------------------===// |
| 1164 | |
| 1165 | static llvm::cl::OptionCategory typedefGenCat("Options for -gen-typedef-*" ); |
| 1166 | static llvm::cl::opt<std::string> |
| 1167 | typeDialect("typedefs-dialect" , |
| 1168 | llvm::cl::desc("Generate types for this dialect" ), |
| 1169 | llvm::cl::cat(typedefGenCat), llvm::cl::CommaSeparated); |
| 1170 | |
| 1171 | static mlir::GenRegistration |
| 1172 | genTypeDefs("gen-typedef-defs" , "Generate TypeDef definitions" , |
| 1173 | [](const RecordKeeper &records, raw_ostream &os) { |
| 1174 | TypeDefGenerator generator(records, os); |
| 1175 | return generator.emitDefs(selectedDialect: typeDialect); |
| 1176 | }); |
| 1177 | static mlir::GenRegistration |
| 1178 | genTypeDecls("gen-typedef-decls" , "Generate TypeDef declarations" , |
| 1179 | [](const RecordKeeper &records, raw_ostream &os) { |
| 1180 | TypeDefGenerator generator(records, os); |
| 1181 | return generator.emitDecls(selectedDialect: typeDialect); |
| 1182 | }); |
| 1183 | |
| 1184 | static mlir::GenRegistration |
| 1185 | genTypeConstrDefs("gen-type-constraint-defs" , |
| 1186 | "Generate type constraint definitions" , |
| 1187 | [](const RecordKeeper &records, raw_ostream &os) { |
| 1188 | emitTypeConstraintDefs(records, os); |
| 1189 | return false; |
| 1190 | }); |
| 1191 | static mlir::GenRegistration |
| 1192 | genTypeConstrDecls("gen-type-constraint-decls" , |
| 1193 | "Generate type constraint declarations" , |
| 1194 | [](const RecordKeeper &records, raw_ostream &os) { |
| 1195 | emitTypeConstraintDecls(records, os); |
| 1196 | return false; |
| 1197 | }); |
| 1198 | |