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26fa9927e8
To avoid breaking things, functions that return the type cast away the constness for now. This, however, makes it easier to use typ::Type with these classes, as typ::Type stores pointers to const types. This also brings us one step closer to constifying types everywhere. Bug: tint:724 Change-Id: Ia3f4b76f375184dd09b8041c1f60bf1afaefe629 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/48740 Commit-Queue: Antonio Maiorano <amaiorano@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>
106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
// Copyright 2021 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_SEM_MEMBER_ACCESSOR_EXPRESSION_H_
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#define SRC_SEM_MEMBER_ACCESSOR_EXPRESSION_H_
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#include <vector>
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#include "src/sem/expression.h"
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namespace tint {
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/// Forward declarations
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namespace ast {
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class MemberAccessorExpression;
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} // namespace ast
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namespace sem {
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/// Forward declarations
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class Struct;
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class StructMember;
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/// MemberAccessorExpression holds the semantic information for a
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/// ast::MemberAccessorExpression node.
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class MemberAccessorExpression
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: public Castable<MemberAccessorExpression, Expression> {
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public:
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/// Constructor
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/// @param declaration the AST node
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/// @param type the resolved type of the expression
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/// @param statement the statement that owns this expression
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MemberAccessorExpression(ast::MemberAccessorExpression* declaration,
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const sem::Type* type,
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Statement* statement);
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/// Destructor
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~MemberAccessorExpression() override;
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};
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/// StructMemberAccess holds the semantic information for a
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/// ast::MemberAccessorExpression node that represents an access to a structure
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/// member.
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class StructMemberAccess
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: public Castable<StructMemberAccess, MemberAccessorExpression> {
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public:
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/// Constructor
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/// @param declaration the AST node
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/// @param type the resolved type of the expression
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/// @param statement the statement that owns this expression
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/// @param member the structure member
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StructMemberAccess(ast::MemberAccessorExpression* declaration,
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const sem::Type* type,
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Statement* statement,
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const StructMember* member);
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/// Destructor
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~StructMemberAccess() override;
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/// @returns the structure member
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StructMember const* Member() const { return member_; }
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private:
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StructMember const* const member_;
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};
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/// Swizzle holds the semantic information for a ast::MemberAccessorExpression
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/// node that represents a vector swizzle.
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class Swizzle : public Castable<Swizzle, MemberAccessorExpression> {
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public:
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/// Constructor
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/// @param declaration the AST node
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/// @param type the resolved type of the expression
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/// @param statement the statement that
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/// @param indices the swizzle indices
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Swizzle(ast::MemberAccessorExpression* declaration,
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const sem::Type* type,
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Statement* statement,
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std::vector<uint32_t> indices);
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/// Destructor
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~Swizzle() override;
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/// @return the swizzle indices, if this is a vector swizzle
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const std::vector<uint32_t>& Indices() const { return indices_; }
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private:
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std::vector<uint32_t> const indices_;
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};
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} // namespace sem
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} // namespace tint
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#endif // SRC_SEM_MEMBER_ACCESSOR_EXPRESSION_H_
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