| //===--- StmtNodes.def - Swift Statement AST Metaprogramming ----*- C++ -*-===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See https://swift.org/LICENSE.txt for license information |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines macros used for macro-metaprogramming with statements. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| /// STMT(Id, Parent) |
| /// If the statement node is not abstract, its enumerator value is |
| /// StmtKind::Id. The node's class name is Id##Stmt, and the name of |
| /// its base class (in the Stmt hierarchy) is Parent. |
| |
| /// An abstract statement node is an abstract base class in the hierarchy; |
| /// it is never a most-derived type, and it does not have an enumerator in |
| /// StmtKind. |
| /// |
| /// Most metaprograms do not care about abstract statements, so the default |
| /// is to ignore them. |
| #ifndef ABSTRACT_STMT |
| #define ABSTRACT_STMT(Id, Parent) |
| #endif |
| |
| /// A subclass of LabeledStmt. Forwards to STMT by default. |
| #ifndef LABELED_STMT |
| #define LABELED_STMT(Id, Parent) STMT(Id, Parent) |
| #endif |
| |
| /// A convenience for determining the range of statements. These will always |
| /// appear immediately after the last member. |
| #ifndef STMT_RANGE |
| #define STMT_RANGE(Id, First, Last) |
| #endif |
| |
| #ifndef LAST_STMT |
| #define LAST_STMT(Id) |
| #endif |
| |
| STMT(Brace, Stmt) |
| STMT(Return, Stmt) |
| STMT(Yield, Stmt) |
| STMT(Defer, Stmt) |
| ABSTRACT_STMT(Labeled, Stmt) |
| ABSTRACT_STMT(LabeledConditional, LabeledStmt) |
| LABELED_STMT(If, LabeledConditionalStmt) |
| LABELED_STMT(Guard, LabeledConditionalStmt) |
| LABELED_STMT(While, LabeledConditionalStmt) |
| STMT_RANGE(LabeledConditional, If, While) |
| LABELED_STMT(Do, LabeledStmt) |
| LABELED_STMT(DoCatch, LabeledStmt) |
| LABELED_STMT(RepeatWhile, LabeledStmt) |
| LABELED_STMT(ForEach, LabeledStmt) |
| LABELED_STMT(Switch, LabeledStmt) |
| STMT_RANGE(Labeled, If, Switch) |
| STMT(Case, Stmt) |
| STMT(Break, Stmt) |
| STMT(Continue, Stmt) |
| STMT(Fallthrough, Stmt) |
| STMT(Fail, Stmt) |
| STMT(Throw, Stmt) |
| STMT(PoundAssert, Stmt) |
| LAST_STMT(PoundAssert) |
| |
| #undef STMT_RANGE |
| #undef LABELED_STMT |
| #undef ABSTRACT_STMT |
| #undef STMT |
| #undef LAST_STMT |
