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/* A rich_location subclass that lazily populates a diagnostic_path
with diagnostic context events, but only if the path is actually to be
used.
Copyright (C) 2025 Free Software Foundation, Inc.
Contributed by Qing Zhao<qing.zhao@oracle.com>
This file is part of GCC.
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/>. */
#ifndef GCC_DIAGNOSTIC_CONTEXT_RICH_LOCATION_H
#define GCC_DIAGNOSTIC_CONTEXT_RICH_LOCATION_H
#include "gcc-rich-location.h"
#include "diagnostics/lazy-paths.h"
#include "tree-logical-location.h"
class lazy_diagnostic_context_path : public diagnostics::paths::lazy_path
{
public:
lazy_diagnostic_context_path (const tree_logical_location_manager
&logical_loc_mgr,
location_t location, gimple *stmt)
: diagnostics::paths::lazy_path (logical_loc_mgr),
m_logical_loc_mgr (logical_loc_mgr),
m_location (location), m_stmt (stmt)
{
}
std::unique_ptr<diagnostics::paths::path>
make_inner_path () const final override;
/* This method will be called on demand if a diagnostic is actually
emitted for this rich_location. */
const tree_logical_location_manager &m_logical_loc_mgr;
location_t m_location;
gimple *m_stmt;
};
class rich_location_with_details : public gcc_rich_location
{
public:
rich_location_with_details (location_t location, gimple *stmt)
: gcc_rich_location (location),
m_lazy_diagnostic_context_path (m_logical_loc_mgr, location, stmt)
{
set_path (&m_lazy_diagnostic_context_path);
}
rich_location_with_details (location_t location, tree exp ATTRIBUTE_UNUSED)
: gcc_rich_location (location),
m_lazy_diagnostic_context_path (m_logical_loc_mgr, location, nullptr)
{
}
private:
const tree_logical_location_manager m_logical_loc_mgr;
lazy_diagnostic_context_path m_lazy_diagnostic_context_path;
};
#endif // GCC_DIAGNOSTIC_CONTEXT_RICH_LOCATION_H
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