| //===-- lib/Semantics/check-stop.cpp --------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "check-stop.h" |
| #include "flang/Common/Fortran.h" |
| #include "flang/Evaluate/expression.h" |
| #include "flang/Parser/parse-tree.h" |
| #include "flang/Semantics/semantics.h" |
| #include "flang/Semantics/tools.h" |
| #include <optional> |
| |
| namespace Fortran::semantics { |
| |
| void StopChecker::Enter(const parser::StopStmt &stmt) { |
| const auto &stopCode{std::get<std::optional<parser::StopCode>>(stmt.t)}; |
| if (const auto *expr{GetExpr(stopCode)}) { |
| const parser::CharBlock &source{parser::FindSourceLocation(stopCode)}; |
| if (ExprHasTypeCategory(*expr, common::TypeCategory::Integer)) { |
| // C1171 default kind |
| if (!ExprTypeKindIsDefault(*expr, context_)) { |
| context_.Say( |
| source, "INTEGER stop code must be of default kind"_err_en_US); |
| } |
| } else if (ExprHasTypeCategory(*expr, common::TypeCategory::Character)) { |
| // R1162 spells scalar-DEFAULT-char-expr |
| if (!ExprTypeKindIsDefault(*expr, context_)) { |
| context_.Say( |
| source, "CHARACTER stop code must be of default kind"_err_en_US); |
| } |
| } else { |
| context_.Say( |
| source, "Stop code must be of INTEGER or CHARACTER type"_err_en_US); |
| } |
| } |
| } |
| |
| } // namespace Fortran::semantics |