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