137 lines
4.0 KiB
C++
137 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 "src/ast/override_decoration.h"
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#include "src/program_builder.h"
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#include "src/sem/variable.h"
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TINT_INSTANTIATE_TYPEINFO(tint::ast::Variable);
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namespace tint {
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namespace ast {
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Variable::Variable(ProgramID program_id,
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const Source& source,
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const Symbol& sym,
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StorageClass declared_storage_class,
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Access declared_access,
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const ast::Type* type,
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bool is_const,
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Expression* constructor,
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DecorationList decorations)
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: Base(program_id, 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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declared_storage_class_(declared_storage_class),
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declared_access_(declared_access) {
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TINT_ASSERT(AST, symbol_.IsValid());
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TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, symbol_, program_id);
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TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, constructor, program_id);
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}
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Variable::Variable(Variable&&) = default;
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Variable::~Variable() = default;
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Variable::BindingPoint Variable::binding_point() const {
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GroupDecoration* group = nullptr;
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BindingDecoration* binding = nullptr;
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for (auto* deco : decorations()) {
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if (auto* g = deco->As<GroupDecoration>()) {
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group = g;
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} else if (auto* b = deco->As<BindingDecoration>()) {
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binding = b;
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}
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}
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return BindingPoint{group, binding};
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}
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Variable* Variable::Clone(CloneContext* ctx) const {
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auto src = ctx->Clone(source());
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auto sym = ctx->Clone(symbol());
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auto* ty = ctx->Clone(type());
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auto* ctor = ctx->Clone(constructor());
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auto decos = ctx->Clone(decorations());
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return ctx->dst->create<Variable>(src, sym, declared_storage_class(),
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declared_access(), ty, is_const_, ctor,
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decos);
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}
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void Variable::info_to_str(const sem::Info& sem,
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std::ostream& out,
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size_t indent) const {
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auto* var_sem = sem.Get(this);
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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 << (var_sem ? var_sem->StorageClass() : declared_storage_class())
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<< std::endl;
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make_indent(out, indent);
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out << declared_access_ << std::endl;
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make_indent(out, indent);
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if (type_) {
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out << type_->type_name();
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}
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out << std::endl;
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}
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void Variable::constructor_to_str(const sem::Info& sem,
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std::ostream& out,
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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(sem, 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(const sem::Info& sem,
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std::ostream& out,
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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(sem, 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(sem, out, indent + 2);
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constructor_to_str(sem, 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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