86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
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//===- Builder.h - Builder classes ------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Builder wrapper to simplify using TableGen Record for building
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// operations/types/etc.
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//
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//===----------------------------------------------------------------------===//
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#ifndef MLIR_TABLEGEN_BUILDER_H_
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#define MLIR_TABLEGEN_BUILDER_H_
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#include "mlir/Support/LLVM.h"
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringRef.h"
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namespace llvm {
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class Init;
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class Record;
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class SMLoc;
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} // end namespace llvm
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namespace mlir {
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namespace tblgen {
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/// Wrapper class with helper methods for accessing Builders defined in
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/// TableGen.
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class Builder {
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public:
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/// This class represents a single parameter to a builder method.
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class Parameter {
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public:
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/// Return a string containing the C++ type of this parameter.
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StringRef getCppType() const;
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/// Return an optional string containing the name of this parameter. If
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/// None, no name was specified for this parameter by the user.
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Optional<StringRef> getName() const { return name; }
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/// Return an optional string containing the default value to use for this
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/// parameter.
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Optional<StringRef> getDefaultValue() const;
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private:
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Parameter(Optional<StringRef> name, const llvm::Init *def)
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: name(name), def(def) {}
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/// The optional name of the parameter.
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Optional<StringRef> name;
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/// The tablegen definition of the parameter. This is either a StringInit,
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/// or a CArg DefInit.
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const llvm::Init *def;
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// Allow access to the constructor.
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friend Builder;
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};
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/// Construct a builder from the given Record instance.
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Builder(const llvm::Record *record, ArrayRef<llvm::SMLoc> loc);
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/// Return a list of parameters used in this build method.
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ArrayRef<Parameter> getParameters() const { return parameters; }
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/// Return an optional string containing the body of the builder.
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Optional<StringRef> getBody() const;
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protected:
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/// The TableGen definition of this builder.
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const llvm::Record *def;
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private:
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/// A collection of parameters to the builder.
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SmallVector<Parameter> parameters;
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};
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} // end namespace tblgen
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} // end namespace mlir
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#endif // MLIR_TABLEGEN_BUILDER_H_
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