161 lines
4.0 KiB
C++
161 lines
4.0 KiB
C++
// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/ast/variable.h"
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#include <assert.h>
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#include "src/ast/constant_id_decoration.h"
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#include "src/ast/module.h"
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#include "src/clone_context.h"
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TINT_INSTANTIATE_CLASS_ID(tint::ast::Variable);
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namespace tint {
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namespace ast {
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Variable::Variable(const Source& source,
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const Symbol& sym,
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StorageClass sc,
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type::Type* type,
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bool is_const,
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Expression* constructor,
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VariableDecorationList decorations)
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: Base(source),
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symbol_(sym),
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type_(type),
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is_const_(is_const),
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constructor_(constructor),
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decorations_(std::move(decorations)),
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storage_class_(sc) {}
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Variable::Variable(Variable&&) = default;
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Variable::~Variable() = default;
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bool Variable::HasLocationDecoration() const {
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for (auto* deco : decorations_) {
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if (deco->Is<LocationDecoration>()) {
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return true;
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}
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}
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return false;
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}
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bool Variable::HasBuiltinDecoration() const {
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for (auto* deco : decorations_) {
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if (deco->Is<BuiltinDecoration>()) {
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return true;
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}
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}
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return false;
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}
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bool Variable::HasConstantIdDecoration() const {
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for (auto* deco : decorations_) {
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if (deco->Is<ConstantIdDecoration>()) {
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return true;
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}
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}
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return false;
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}
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LocationDecoration* Variable::GetLocationDecoration() const {
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for (auto* deco : decorations_) {
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if (deco->Is<LocationDecoration>()) {
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return deco->As<LocationDecoration>();
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}
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}
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return nullptr;
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}
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uint32_t Variable::constant_id() const {
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assert(HasConstantIdDecoration());
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for (auto* deco : decorations_) {
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if (auto* cid = deco->As<ConstantIdDecoration>()) {
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return cid->value();
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}
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}
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return 0;
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}
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Variable* Variable::Clone(CloneContext* ctx) const {
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return ctx->dst->create<Variable>(ctx->Clone(source()), ctx->Clone(symbol_),
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storage_class(), ctx->Clone(type()),
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is_const_, ctx->Clone(constructor()),
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ctx->Clone(decorations_));
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}
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bool Variable::IsValid() const {
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if (!symbol_.IsValid()) {
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return false;
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}
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if (type_ == nullptr) {
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return false;
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}
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if (constructor_ && !constructor_->IsValid()) {
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return false;
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}
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return true;
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}
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void Variable::info_to_str(std::ostream& out, size_t indent) const {
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make_indent(out, indent);
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out << symbol_.to_str() << std::endl;
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make_indent(out, indent);
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out << storage_class_ << std::endl;
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make_indent(out, indent);
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out << type_->type_name() << std::endl;
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}
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void Variable::constructor_to_str(std::ostream& out, size_t indent) const {
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if (constructor_ == nullptr)
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return;
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make_indent(out, indent);
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out << "{" << std::endl;
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constructor_->to_str(out, indent + 2);
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make_indent(out, indent);
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out << "}" << std::endl;
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}
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void Variable::to_str(std::ostream& out, size_t indent) const {
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make_indent(out, indent);
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out << "Variable";
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if (is_const()) {
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out << "Const";
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}
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out << "{" << std::endl;
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if (!decorations_.empty()) {
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make_indent(out, indent + 2);
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out << "Decorations{" << std::endl;
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for (auto* deco : decorations_) {
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deco->to_str(out, indent + 4);
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}
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make_indent(out, indent + 2);
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out << "}" << std::endl;
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}
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info_to_str(out, indent + 2);
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constructor_to_str(out, indent + 2);
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make_indent(out, indent);
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out << "}" << std::endl;
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}
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} // namespace ast
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} // namespace tint
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