src/tint/lang/wgsl/ast/enable.cc

// Copyright 2022 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
//    contributors may be used to endorse or promote products derived from
//    this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "src/tint/lang/wgsl/ast/enable.h"

#include "src/tint/lang/wgsl/ast/builder.h"
#include "src/tint/lang/wgsl/ast/clone_context.h"

TINT_INSTANTIATE_TYPEINFO(tint::ast::Enable);

namespace tint::ast {

Enable::Enable(GenerationID pid, NodeID nid, const Source& src, VectorRef<const Extension*> exts)
    : Base(pid, nid, src), extensions(std::move(exts)) {}

Enable::~Enable() = default;

bool Enable::HasExtension(wgsl::Extension ext) const {
    for (auto* e : extensions) {
        if (e->name == ext) {
            return true;
        }
    }
    return false;
}

const Enable* Enable::Clone(CloneContext& ctx) const {
    auto src = ctx.Clone(source);
    auto exts = ctx.Clone(extensions);
    return ctx.dst->create<Enable>(src, std::move(exts));
}

}  // namespace tint::ast