| // 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_AST_CALL_EXPRESSION_H_ |
| #define SRC_TINT_AST_CALL_EXPRESSION_H_ |
| |
| #include "src/tint/ast/expression.h" |
| |
| namespace tint { |
| namespace ast { |
| |
| // Forward declarations. |
| class Type; |
| class IdentifierExpression; |
| |
| /// A call expression - represents either a: |
| /// * sem::Function |
| /// * sem::Builtin |
| /// * sem::TypeConstructor |
| /// * sem::TypeConversion |
| class CallExpression final : public Castable<CallExpression, Expression> { |
| public: |
| /// Constructor |
| /// @param program_id the identifier of the program that owns this node |
| /// @param source the call expression source |
| /// @param name the function or type name |
| /// @param args the arguments |
| CallExpression(ProgramID program_id, |
| const Source& source, |
| const IdentifierExpression* name, |
| ExpressionList args); |
| |
| /// Constructor |
| /// @param program_id the identifier of the program that owns this node |
| /// @param source the call expression source |
| /// @param type the type |
| /// @param args the arguments |
| CallExpression(ProgramID program_id, |
| const Source& source, |
| const Type* type, |
| ExpressionList args); |
| |
| /// Move constructor |
| CallExpression(CallExpression&&); |
| ~CallExpression() override; |
| |
| /// Clones this node and all transitive child nodes using the `CloneContext` |
| /// `ctx`. |
| /// @param ctx the clone context |
| /// @return the newly cloned node |
| const CallExpression* Clone(CloneContext* ctx) const override; |
| |
| /// Target is either an identifier, or a Type. |
| /// One of these must be nullptr and the other a non-nullptr. |
| struct Target { |
| /// name is a function or builtin to call, or type name to construct or |
| /// cast-to |
| const IdentifierExpression* name = nullptr; |
| /// type to construct or cast-to |
| const Type* type = nullptr; |
| }; |
| |
| /// The target function |
| const Target target; |
| |
| /// The arguments |
| const ExpressionList args; |
| }; |
| |
| } // namespace ast |
| } // namespace tint |
| |
| #endif // SRC_TINT_AST_CALL_EXPRESSION_H_ |