blob: be91229995fc39b6247476f8091e8a7404723050 [file] [log] [blame] [edit]
// 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/ast/variable.h"
#include "src/ast/override_decoration.h"
#include "src/program_builder.h"
#include "src/sem/variable.h"
TINT_INSTANTIATE_TYPEINFO(tint::ast::Variable);
namespace tint {
namespace ast {
Variable::Variable(ProgramID program_id,
const Source& source,
const Symbol& sym,
StorageClass declared_storage_class,
Access declared_access,
const ast::Type* type,
bool is_const,
Expression* constructor,
DecorationList decorations)
: Base(program_id, source),
symbol_(sym),
type_(type),
is_const_(is_const),
constructor_(constructor),
decorations_(std::move(decorations)),
declared_storage_class_(declared_storage_class),
declared_access_(declared_access) {
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;
Variable::BindingPoint Variable::binding_point() const {
GroupDecoration* group = nullptr;
BindingDecoration* binding = nullptr;
for (auto* deco : decorations()) {
if (auto* g = deco->As<GroupDecoration>()) {
group = g;
} else if (auto* b = deco->As<BindingDecoration>()) {
binding = b;
}
}
return BindingPoint{group, binding};
}
Variable* Variable::Clone(CloneContext* ctx) const {
auto src = ctx->Clone(source());
auto sym = ctx->Clone(symbol());
auto* ty = ctx->Clone(type());
auto* ctor = ctx->Clone(constructor());
auto decos = ctx->Clone(decorations());
return ctx->dst->create<Variable>(src, sym, declared_storage_class(),
declared_access(), ty, is_const_, ctor,
decos);
}
void Variable::info_to_str(const sem::Info& sem,
std::ostream& out,
size_t indent) const {
auto* var_sem = sem.Get(this);
make_indent(out, indent);
out << symbol_.to_str() << std::endl;
make_indent(out, indent);
out << (var_sem ? var_sem->StorageClass() : declared_storage_class())
<< std::endl;
make_indent(out, indent);
out << declared_access_ << std::endl;
make_indent(out, indent);
if (type_) {
out << type_->type_name();
}
out << std::endl;
}
void Variable::constructor_to_str(const sem::Info& sem,
std::ostream& out,
size_t indent) const {
if (constructor_ == nullptr)
return;
make_indent(out, indent);
out << "{" << std::endl;
constructor_->to_str(sem, out, indent + 2);
make_indent(out, indent);
out << "}" << std::endl;
}
void Variable::to_str(const sem::Info& sem,
std::ostream& out,
size_t indent) const {
make_indent(out, indent);
out << "Variable";
if (is_const()) {
out << "Const";
}
out << "{" << std::endl;
if (!decorations_.empty()) {
make_indent(out, indent + 2);
out << "Decorations{" << std::endl;
for (auto* deco : decorations_) {
deco->to_str(sem, out, indent + 4);
}
make_indent(out, indent + 2);
out << "}" << std::endl;
}
info_to_str(sem, out, indent + 2);
constructor_to_str(sem, out, indent + 2);
make_indent(out, indent);
out << "}" << std::endl;
}
} // namespace ast
} // namespace tint