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// Copyright 2020 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/tint/ast/variable.h"
#include "src/tint/ast/binding_attribute.h"
#include "src/tint/ast/group_attribute.h"
TINT_INSTANTIATE_TYPEINFO(tint::ast::Variable);
namespace tint::ast {
Variable::Variable(ProgramID pid,
NodeID nid,
const Source& src,
const Symbol& sym,
const ast::Type* ty,
const Expression* ctor,
AttributeList attrs)
: Base(pid, nid, src), symbol(sym), type(ty), constructor(ctor), attributes(std::move(attrs)) {
TINT_ASSERT(AST, symbol.IsValid());
TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, symbol, program_id);
TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, constructor, program_id);
}
Variable::Variable(Variable&&) = default;
Variable::~Variable() = default;
VariableBindingPoint Variable::BindingPoint() const {
const GroupAttribute* group = nullptr;
const BindingAttribute* binding = nullptr;
for (auto* attr : attributes) {
Switch(
attr, //
[&](const GroupAttribute* a) { group = a; },
[&](const BindingAttribute* a) { binding = a; });
}
return VariableBindingPoint{group, binding};
}
} // namespace tint::ast