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https://github.com/carbon-language/carbon-lang.git
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David Blaikie
0b5d1101f9
llvm::function_ref (like std::unique_ptr, for instance) already has a null/empty state, so use that to avoid confusion/duplication of empty states between optional and the nested function_refs.
41 lines
1.6 KiB
C++
41 lines
1.6 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#ifndef CARBON_TOOLCHAIN_CHECK_OPERATOR_H_
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#define CARBON_TOOLCHAIN_CHECK_OPERATOR_H_
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#include "toolchain/check/context.h"
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#include "toolchain/parse/node_ids.h"
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#include "toolchain/sem_ir/ids.h"
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namespace Carbon::Check {
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struct Operator {
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llvm::StringLiteral interface_name;
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llvm::ArrayRef<SemIR::InstId> interface_args_ref = {};
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llvm::StringLiteral op_name = "Op";
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};
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// Checks and builds SemIR for a unary operator expression. For example,
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// `*operand` or `operand*`. If specified, `missing_impl_diagnoser` is used to
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// build a custom error diagnostic for the case where impl lookup for the
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// operator fails.
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auto BuildUnaryOperator(Context& context, SemIR::LocId loc_id, Operator op,
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SemIR::InstId operand_id,
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Context::BuildDiagnosticFn missing_impl_diagnoser =
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nullptr) -> SemIR::InstId;
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// Checks and builds SemIR for a binary operator expression. For example,
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// `lhs_id * rhs_id`. If specified, `missing_impl_diagnoser` is used to build a
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// custom error diagnostic for the case where impl lookup for the operator
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// fails.
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auto BuildBinaryOperator(Context& context, SemIR::LocId loc_id, Operator op,
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SemIR::InstId lhs_id, SemIR::InstId rhs_id,
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Context::BuildDiagnosticFn missing_impl_diagnoser =
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nullptr) -> SemIR::InstId;
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} // namespace Carbon::Check
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#endif // CARBON_TOOLCHAIN_CHECK_OPERATOR_H_
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