c95b56d5a0
Original-commit: flang-compiler/f18@520751311d Reviewed-on: https://github.com/flang-compiler/f18/pull/375
36 lines
1.4 KiB
C++
36 lines
1.4 KiB
C++
// Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "check-if-stmt.h"
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#include "tools.h"
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#include "../parser/message.h"
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#include "../parser/parse-tree.h"
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namespace Fortran::semantics {
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void IfStmtChecker::Leave(const parser::IfStmt &ifStmt) {
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// R1139 Check for a scalar logical expression
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auto &expr{std::get<parser::ScalarLogicalExpr>(ifStmt.t).thing.thing.value()};
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CheckScalarLogicalExpr(expr, context_.messages());
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// C1143 Check that the action stmt is not an if stmt
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const auto &body{
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std::get<parser::UnlabeledStatement<parser::ActionStmt>>(ifStmt.t)};
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if (std::holds_alternative<common::Indirection<parser::IfStmt>>(
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body.statement.u)) {
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context_.messages().Say(
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body.source, "IF statement is not allowed in IF statement"_err_en_US);
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}
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}
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} // namespace Fortran::semantics
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