llvm-project/flang/lib/Semantics/check-if-stmt.cpp

28 lines
981 B
C++

//===-- lib/Semantics/check-if-stmt.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-if-stmt.h"
#include "flang/Parser/message.h"
#include "flang/Parser/parse-tree.h"
#include "flang/Semantics/tools.h"
namespace Fortran::semantics {
void IfStmtChecker::Leave(const parser::IfStmt &ifStmt) {
// C1143 Check that the action stmt is not an if stmt
const auto &body{
std::get<parser::UnlabeledStatement<parser::ActionStmt>>(ifStmt.t)};
if (std::holds_alternative<common::Indirection<parser::IfStmt>>(
body.statement.u)) {
context_.Say(
body.source, "IF statement is not allowed in IF statement"_err_en_US);
}
}
} // namespace Fortran::semantics