mlir-hlo/tools/mlir-tblgen-builder/TableGen/Interfaces.h

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2021-07-23 11:38:34 +08:00
//===- Interfaces.h - Interface wrapper classes -----------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef MLIR_TABLEGEN_INTERFACES_H_
#define MLIR_TABLEGEN_INTERFACES_H_
#include "mlir/Support/LLVM.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
namespace llvm {
class Init;
class Record;
} // end namespace llvm
namespace mlir {
namespace tblgen {
// Wrapper class with helper methods for accessing InterfaceMethod defined
// in TableGen.
class InterfaceMethod {
public:
// This struct represents a single method argument.
struct Argument {
StringRef type;
StringRef name;
};
explicit InterfaceMethod(const llvm::Record *def);
// Return the return type of this method.
StringRef getReturnType() const;
// Return the name of this method.
StringRef getName() const;
// Return if this method is static.
bool isStatic() const;
// Return the body for this method if it has one.
llvm::Optional<StringRef> getBody() const;
// Return the default implementation for this method if it has one.
llvm::Optional<StringRef> getDefaultImplementation() const;
// Return the description of this method if it has one.
llvm::Optional<StringRef> getDescription() const;
// Arguments.
ArrayRef<Argument> getArguments() const;
bool arg_empty() const;
private:
// The TableGen definition of this method.
const llvm::Record *def;
// The arguments of this method.
SmallVector<Argument, 2> arguments;
};
//===----------------------------------------------------------------------===//
// Interface
//===----------------------------------------------------------------------===//
// Wrapper class with helper methods for accessing Interfaces defined in
// TableGen.
class Interface {
public:
explicit Interface(const llvm::Record *def);
// Return the name of this interface.
StringRef getName() const;
// Return the C++ namespace of this interface.
StringRef getCppNamespace() const;
// Return the methods of this interface.
ArrayRef<InterfaceMethod> getMethods() const;
// Return the description of this method if it has one.
llvm::Optional<StringRef> getDescription() const;
// Return the interfaces extra class declaration code.
llvm::Optional<StringRef> getExtraClassDeclaration() const;
// Return the traits extra class declaration code.
llvm::Optional<StringRef> getExtraTraitClassDeclaration() const;
// Return the verify method body if it has one.
llvm::Optional<StringRef> getVerify() const;
// Returns the Tablegen definition this interface was constructed from.
const llvm::Record &getDef() const { return *def; }
private:
// The TableGen definition of this interface.
const llvm::Record *def;
// The methods of this interface.
SmallVector<InterfaceMethod, 8> methods;
};
// An interface that is registered to an Attribute.
struct AttrInterface : public Interface {
using Interface::Interface;
static bool classof(const Interface *interface);
};
// An interface that is registered to an Operation.
struct OpInterface : public Interface {
using Interface::Interface;
static bool classof(const Interface *interface);
};
// An interface that is registered to a Type.
struct TypeInterface : public Interface {
using Interface::Interface;
static bool classof(const Interface *interface);
};
} // end namespace tblgen
} // end namespace mlir
#endif // MLIR_TABLEGEN_INTERFACES_H_