59342b0641
checkpoint: changes build, tests all pass many fixes, ready to test more Further CLASS(*) support More fixes for CLASS(*) Hide data members of DynamicType implement PRESENT() intrinsic Original-commit: flang-compiler/f18@044ba12c20 Reviewed-on: https://github.com/flang-compiler/f18/pull/466 Tree-same-pre-rewrite: false
52 lines
2 KiB
C++
52 lines
2 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-arithmeticif.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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bool IsNumericExpr(const SomeExpr &expr) {
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auto dynamicType{expr.GetType()};
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return dynamicType.has_value() &&
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common::IsNumericTypeCategory(dynamicType->category());
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}
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void ArithmeticIfStmtChecker::Leave(
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const parser::ArithmeticIfStmt &arithmeticIfStmt) {
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// Arithmetic IF statements have been removed from Fortran 2018.
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// The constraints and requirements here refer to the 2008 spec.
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// R853 Check for a scalar-numeric-expr
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// C849 that shall not be of type complex.
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auto &parsedExpr{std::get<parser::Expr>(arithmeticIfStmt.t)};
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if (const auto *expr{GetExpr(parsedExpr)}) {
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if (expr->Rank() > 0) {
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context_.Say(parsedExpr.source,
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"ARITHMETIC IF expression must be a scalar expression"_err_en_US);
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} else if (ExprHasTypeCategory(*expr, common::TypeCategory::Complex)) {
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context_.Say(parsedExpr.source,
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"ARITHMETIC IF expression must not be a COMPLEX expression"_err_en_US);
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} else if (!IsNumericExpr(*expr)) {
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context_.Say(parsedExpr.source,
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"ARITHMETIC IF expression must be a numeric expression"_err_en_US);
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}
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}
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// The labels have already been checked in resolve-labels.
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// TODO: Really? Check that they are really branch target
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// statements and in the same inclusive scope.
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}
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} // namespace Fortran::semantics
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