78 lines
2.2 KiB
C++
78 lines
2.2 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/switch_statement.h"
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#include "src/ast/case_statement.h"
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#include "src/clone_context.h"
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#include "src/program_builder.h"
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TINT_INSTANTIATE_CLASS_ID(tint::ast::SwitchStatement);
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namespace tint {
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namespace ast {
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SwitchStatement::SwitchStatement(const Source& source,
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Expression* condition,
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CaseStatementList body)
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: Base(source), condition_(condition), body_(body) {}
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SwitchStatement::SwitchStatement(SwitchStatement&&) = default;
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SwitchStatement::~SwitchStatement() = default;
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SwitchStatement* SwitchStatement::Clone(CloneContext* ctx) const {
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// Clone arguments outside of create() call to have deterministic ordering
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auto src = ctx->Clone(source());
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auto* cond = ctx->Clone(condition());
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auto b = ctx->Clone(body());
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return ctx->dst->create<SwitchStatement>(src, cond, b);
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}
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bool SwitchStatement::IsValid() const {
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if (condition_ == nullptr || !condition_->IsValid()) {
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return false;
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}
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for (auto* stmt : body_) {
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if (stmt == nullptr || !stmt->IsValid()) {
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return false;
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}
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}
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return true;
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}
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void SwitchStatement::to_str(const semantic::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 << "Switch{" << std::endl;
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condition_->to_str(sem, out, indent + 2);
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make_indent(out, indent + 2);
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out << "{" << std::endl;
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for (auto* stmt : body_) {
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stmt->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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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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