| 1 | //===-- lib/Semantics/check-if-stmt.cpp -----------------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "check-if-stmt.h" |
| 10 | #include "flang/Parser/message.h" |
| 11 | #include "flang/Parser/parse-tree.h" |
| 12 | #include "flang/Semantics/tools.h" |
| 13 | |
| 14 | namespace Fortran::semantics { |
| 15 | |
| 16 | void IfStmtChecker::Leave(const parser::IfStmt &ifStmt) { |
| 17 | // C1143 Check that the action stmt is not an if stmt |
| 18 | const auto &body{ |
| 19 | std::get<parser::UnlabeledStatement<parser::ActionStmt>>(ifStmt.t)}; |
| 20 | if (std::holds_alternative<common::Indirection<parser::IfStmt>>( |
| 21 | body.statement.u)) { |
| 22 | context_.Say( |
| 23 | body.source, "IF statement is not allowed in IF statement"_err_en_US ); |
| 24 | } |
| 25 | } |
| 26 | |
| 27 | } // namespace Fortran::semantics |
| 28 | |