forked from OSchip/llvm-project
59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
//===-- lib/Evaluate/common.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 "flang/Evaluate/common.h"
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#include "flang/Common/idioms.h"
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using namespace Fortran::parser::literals;
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namespace Fortran::evaluate {
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void RealFlagWarnings(
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FoldingContext &context, const RealFlags &flags, const char *operation) {
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if (flags.test(RealFlag::Overflow)) {
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context.messages().Say("overflow on %s"_en_US, operation);
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}
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if (flags.test(RealFlag::DivideByZero)) {
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if (std::strcmp(operation, "division") == 0) {
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context.messages().Say("division by zero"_en_US);
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} else {
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context.messages().Say("division on %s"_en_US);
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}
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}
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if (flags.test(RealFlag::InvalidArgument)) {
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context.messages().Say("invalid argument on %s"_en_US, operation);
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}
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if (flags.test(RealFlag::Underflow)) {
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context.messages().Say("underflow on %s"_en_US, operation);
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}
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}
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ConstantSubscript &FoldingContext::StartImpliedDo(
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parser::CharBlock name, ConstantSubscript n) {
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auto pair{impliedDos_.insert(std::make_pair(name, n))};
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CHECK(pair.second);
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return pair.first->second;
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}
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std::optional<ConstantSubscript> FoldingContext::GetImpliedDo(
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parser::CharBlock name) const {
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if (auto iter{impliedDos_.find(name)}; iter != impliedDos_.cend()) {
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return {iter->second};
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} else {
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return std::nullopt;
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}
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}
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void FoldingContext::EndImpliedDo(parser::CharBlock name) {
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auto iter{impliedDos_.find(name)};
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if (iter != impliedDos_.end()) {
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impliedDos_.erase(iter);
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}
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}
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} // namespace Fortran::evaluate
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