2020-03-02 20:47:43 +00:00
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// 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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#ifndef SRC_AST_IDENTIFIER_EXPRESSION_H_
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#define SRC_AST_IDENTIFIER_EXPRESSION_H_
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2020-11-18 21:19:22 +00:00
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#include <memory>
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#include <string>
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2020-11-18 21:19:22 +00:00
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#include <utility>
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2020-03-02 20:47:43 +00:00
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#include "src/ast/expression.h"
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2020-09-22 19:42:13 +00:00
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#include "src/ast/intrinsic.h"
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namespace tint {
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namespace ast {
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/// An identifier expression
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2020-11-30 23:30:58 +00:00
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class IdentifierExpression : public Castable<IdentifierExpression, Expression> {
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public:
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/// Constructor
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/// @param name the name
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explicit IdentifierExpression(const std::string& name);
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/// Constructor
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/// @param source the source
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/// @param name the name
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IdentifierExpression(const Source& source, const std::string& name);
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/// Move constructor
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2020-04-09 18:52:06 +00:00
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IdentifierExpression(IdentifierExpression&&);
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~IdentifierExpression() override;
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2020-04-20 14:21:00 +00:00
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/// @returns the name part of the identifier
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std::string name() const { return name_; }
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/// Sets the intrinsic for this identifier
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/// @param i the intrinsic to set
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void set_intrinsic(Intrinsic i) { intrinsic_ = i; }
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/// @returns the intrinsic this identifier represents
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Intrinsic intrinsic() const { return intrinsic_; }
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/// Sets the intrinsic signature
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/// @param s the intrinsic signature to set
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void set_intrinsic_signature(std::unique_ptr<intrinsic::Signature> s) {
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intrinsic_sig_ = std::move(s);
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}
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/// @returns the intrinsic signature for this identifier.
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const intrinsic::Signature* intrinsic_signature() const {
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return intrinsic_sig_.get();
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}
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/// @returns true if this identifier is for an intrinsic
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bool IsIntrinsic() const { return intrinsic_ != Intrinsic::kNone; }
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2020-12-01 18:04:17 +00:00
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/// Clones this node and all transitive child nodes using the `CloneContext`
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/// `ctx`.
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/// @note Semantic information such as resolved expression type and intrinsic
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/// information is not cloned.
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/// @param ctx the clone context
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/// @return the newly cloned node
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IdentifierExpression* Clone(CloneContext* ctx) const override;
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/// @returns true if the node is valid
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bool IsValid() const override;
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/// Writes a representation of the node to the output stream
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/// @param out the stream to write to
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/// @param indent number of spaces to indent the node when writing
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void to_str(std::ostream& out, size_t indent) const override;
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private:
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IdentifierExpression(const IdentifierExpression&) = delete;
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2020-09-22 19:42:13 +00:00
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Intrinsic intrinsic_ = Intrinsic::kNone;
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std::unique_ptr<intrinsic::Signature> intrinsic_sig_;
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std::string name_;
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};
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} // namespace ast
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} // namespace tint
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#endif // SRC_AST_IDENTIFIER_EXPRESSION_H_
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