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// This file is part of the AspectC++ compiler 'ac++'.
// Copyright (C) 1999-2003 The 'ac++' developers (see aspectc.org)
//
// This program 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 2 of
// the License, or (at your option) any later version.
//
// This program 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 this program; if not, write to the Free
// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
// MA 02111-1307 USA
#ifndef __include_expander_h__
#define __include_expander_h__
// Visitor, which expands all project-local includes
#include "Puma/PreVisitor.h"
#include "Puma/BCStack.h"
#include "Puma/Token.h"
#include "Puma/Unit.h"
#include "ACUnit.h"
using namespace Puma;
namespace Puma {
class CProject;
class Token;
class ErrorStream;
} // namespace Puma
class LineDirectiveMgr;
class IncludeExpander : public PreVisitor {
struct File {
Unit *_unit;
Token *_next;
File (Unit *u = 0) : _unit (u), _next (0) {
if (_unit)
_next = (Token*)_unit->first ();
}
};
ErrorStream &_err;
CProject &_project;
LineDirectiveMgr &_line_mgr;
ACUnit _unit;
BCStack<File> _files;
int _depth;
int _ext_depth;
Unit *_root;
bool _forced_includes;
// Go through the nodes of the syntax tree.
void iterateNodes (PreTree*);
// expand tokens from a unit (write them into the result unit)
void write (Unit *unit, Token *first, Token *last);
// write a string into the unit
void write (const char *str);
// print the rest of the topmost unit
void finish ();
// pop elements from the include stack until depth 'up_to'
void rewind (int up_to);
// Visiting the parts of the preprocessor syntax tree.
void visitPreIncludeDirective_Pre (PreIncludeDirective*);
public:
IncludeExpander (ErrorStream &err, CProject &project,
LineDirectiveMgr &ldm) :
_err (err), _project (project), _line_mgr (ldm), _unit (err), _root (0) {}
virtual ~IncludeExpander () {}
void expand (const char *file);
ACUnit &unit () { return _unit; }
};
#endif // __include_expander_h__
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