1*64ab3302SCarolineConcatto //===-- lib/Semantics/check-if-stmt.cpp -----------------------------------===// 2*64ab3302SCarolineConcatto // 3*64ab3302SCarolineConcatto // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*64ab3302SCarolineConcatto // See https://llvm.org/LICENSE.txt for license information. 5*64ab3302SCarolineConcatto // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*64ab3302SCarolineConcatto // 7*64ab3302SCarolineConcatto //===----------------------------------------------------------------------===// 8*64ab3302SCarolineConcatto 9*64ab3302SCarolineConcatto #include "check-if-stmt.h" 10*64ab3302SCarolineConcatto #include "flang/Parser/message.h" 11*64ab3302SCarolineConcatto #include "flang/Parser/parse-tree.h" 12*64ab3302SCarolineConcatto #include "flang/Semantics/tools.h" 13*64ab3302SCarolineConcatto 14*64ab3302SCarolineConcatto namespace Fortran::semantics { 15*64ab3302SCarolineConcatto Leave(const parser::IfStmt & ifStmt)16*64ab3302SCarolineConcattovoid IfStmtChecker::Leave(const parser::IfStmt &ifStmt) { 17*64ab3302SCarolineConcatto // C1143 Check that the action stmt is not an if stmt 18*64ab3302SCarolineConcatto const auto &body{ 19*64ab3302SCarolineConcatto std::get<parser::UnlabeledStatement<parser::ActionStmt>>(ifStmt.t)}; 20*64ab3302SCarolineConcatto if (std::holds_alternative<common::Indirection<parser::IfStmt>>( 21*64ab3302SCarolineConcatto body.statement.u)) { 22*64ab3302SCarolineConcatto context_.Say( 23*64ab3302SCarolineConcatto body.source, "IF statement is not allowed in IF statement"_err_en_US); 24*64ab3302SCarolineConcatto } 25*64ab3302SCarolineConcatto } 26*64ab3302SCarolineConcatto 27*64ab3302SCarolineConcatto } // namespace Fortran::semantics 28