dawn-cmake/src/ast/phony_expression.cc
Ben Clayton 8fca34546b ast: Add PhonyExpression
Represents the `_` in a phony assignment `_ = <expr>`

Bug: tint:1213
Change-Id: Ifb070277b7872aa5ae405e467e28191e625c4c5a
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/67062
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: David Neto <dneto@google.com>
Reviewed-by: James Price <jrprice@google.com>
2021-10-21 18:33:14 +00:00

39 lines
1.2 KiB
C++

// Copyright 2021 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/ast/phony_expression.h"
#include "src/program_builder.h"
TINT_INSTANTIATE_TYPEINFO(tint::ast::PhonyExpression);
namespace tint {
namespace ast {
PhonyExpression::PhonyExpression(ProgramID pid, const Source& src)
: Base(pid, src) {}
PhonyExpression::PhonyExpression(PhonyExpression&&) = default;
PhonyExpression::~PhonyExpression() = default;
const PhonyExpression* PhonyExpression::Clone(CloneContext* ctx) const {
// Clone arguments outside of create() call to have deterministic ordering
auto src = ctx->Clone(source);
return ctx->dst->create<PhonyExpression>(src);
}
} // namespace ast
} // namespace tint