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/* Literal sign folding.
Copyright (C) 2025 Free Software Foundation, Inc.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "elna/boot/materialization.h"
namespace elna::boot
{
materialization_error::materialization_error(const source_position position)
: error(position)
{
}
std::string materialization_error::what() const
{
return "Integer literal overflows";
}
materialization_visitor::materialization_visitor(const target_info& target)
: target(target)
{
}
void materialization_visitor::visit(literal<integer_literal> *literal)
{
switch (literal->wants_signed)
{
using enum integer_sign;
case negative:
if (auto negated_literal = literal->value.negate())
{
literal->value = negated_literal.value();
}
else
{
add_error<materialization_error>(literal->position());
}
break;
case unmarked:
if (!literal->value.fit_into(true, literal->value.size()))
{
add_error<materialization_error>(literal->position());
}
break;
case _unsigned:
break;
}
}
}
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