81 lines
2.3 KiB
C++
81 lines
2.3 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/identifier_expression.h"
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namespace tint {
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namespace ast {
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IdentifierExpression::IdentifierExpression(const std::string& name)
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: Expression(), segments_({name}) {}
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IdentifierExpression::IdentifierExpression(const Source& source,
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const std::string& name)
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: Expression(source), segments_({name}) {}
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IdentifierExpression::IdentifierExpression(std::vector<std::string> segments)
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: Expression(), segments_(std::move(segments)) {}
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IdentifierExpression::IdentifierExpression(const Source& source,
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std::vector<std::string> segments)
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: Expression(source), segments_(std::move(segments)) {}
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IdentifierExpression::IdentifierExpression(IdentifierExpression&&) = default;
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IdentifierExpression::~IdentifierExpression() = default;
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std::string IdentifierExpression::path() const {
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if (segments_.size() < 2) {
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return "";
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}
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std::string path = "";
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// We skip the last segment as that's the name, not part of the path
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for (size_t i = 0; i < segments_.size() - 1; ++i) {
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if (i > 0) {
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path += "::";
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}
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path += segments_[i];
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}
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return path;
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}
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bool IdentifierExpression::IsIdentifier() const {
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return true;
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}
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bool IdentifierExpression::IsValid() const {
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if (segments_.size() == 0)
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return false;
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for (const auto& segment : segments_) {
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if (segment.size() == 0)
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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 IdentifierExpression::to_str(std::ostream& out, size_t indent) const {
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make_indent(out, indent);
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out << "Identifier{";
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if (has_path()) {
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out << path() << "::";
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}
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out << name();
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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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