1 //===-- lib/Semantics/check-stop.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-stop.h" 10 #include "flang/Common/Fortran.h" 11 #include "flang/Evaluate/expression.h" 12 #include "flang/Parser/parse-tree.h" 13 #include "flang/Semantics/semantics.h" 14 #include "flang/Semantics/tools.h" 15 #include <optional> 16 17 namespace Fortran::semantics { 18 Enter(const parser::StopStmt & stmt)19void StopChecker::Enter(const parser::StopStmt &stmt) { 20 const auto &stopCode{std::get<std::optional<parser::StopCode>>(stmt.t)}; 21 if (const auto *expr{GetExpr(stopCode)}) { 22 const parser::CharBlock &source{parser::FindSourceLocation(stopCode)}; 23 if (ExprHasTypeCategory(*expr, common::TypeCategory::Integer)) { 24 // C1171 default kind 25 if (!ExprTypeKindIsDefault(*expr, context_)) { 26 context_.Say( 27 source, "INTEGER stop code must be of default kind"_err_en_US); 28 } 29 } else if (ExprHasTypeCategory(*expr, common::TypeCategory::Character)) { 30 // R1162 spells scalar-DEFAULT-char-expr 31 if (!ExprTypeKindIsDefault(*expr, context_)) { 32 context_.Say( 33 source, "CHARACTER stop code must be of default kind"_err_en_US); 34 } 35 } else { 36 context_.Say( 37 source, "Stop code must be of INTEGER or CHARACTER type"_err_en_US); 38 } 39 } 40 } 41 42 } // namespace Fortran::semantics 43