| // 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. |
| |
| #ifndef SRC_TINT_LANG_WGSL_AST_IF_STATEMENT_H_ |
| #define SRC_TINT_LANG_WGSL_AST_IF_STATEMENT_H_ |
| |
| #include <utility> |
| |
| #include "src/tint/lang/wgsl/ast/block_statement.h" |
| #include "src/tint/lang/wgsl/ast/expression.h" |
| |
| namespace tint::ast { |
| |
| /// An if statement |
| class IfStatement final : public Castable<IfStatement, Statement> { |
| public: |
| /// Constructor |
| /// @param pid the identifier of the program that owns this node |
| /// @param nid the unique node identifier |
| /// @param src the source of this node |
| /// @param condition the if condition |
| /// @param body the if body |
| /// @param else_stmt the else statement, or nullptr |
| /// @param attributes the if statement attributes |
| IfStatement(GenerationID pid, |
| NodeID nid, |
| const Source& src, |
| const Expression* condition, |
| const BlockStatement* body, |
| const Statement* else_stmt, |
| VectorRef<const Attribute*> attributes); |
| |
| /// Destructor |
| ~IfStatement() override; |
| |
| /// Clones this node and all transitive child nodes using the `CloneContext` |
| /// `ctx`. |
| /// @param ctx the clone context |
| /// @return the newly cloned node |
| const IfStatement* Clone(CloneContext* ctx) const override; |
| |
| /// The if condition or nullptr if none set |
| const Expression* const condition; |
| |
| /// The if body |
| const BlockStatement* const body; |
| |
| /// The optional else statement, or nullptr |
| const Statement* const else_statement; |
| |
| /// The attribute list |
| const tint::Vector<const Attribute*, 1> attributes; |
| }; |
| |
| } // namespace tint::ast |
| |
| #endif // SRC_TINT_LANG_WGSL_AST_IF_STATEMENT_H_ |