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/*
* cook - file construction tool
* Copyright (C) 1997, 1999, 2001, 2006, 2007 Peter Miller;
* All rights reserved.
*
* 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, USA.
*
* MANIFEST: functions to manipulate statement lists
*/
#include <common/mem.h>
#include <cook/stmt.h>
#include <cook/stmt/list.h>
#include <common/trace.h>
/*
* NAME
* stmt_list_append - append to a statement list
*
* SYNOPSIS
* void stmt_list_append(stmt_list_ty *slp, stmt *sp);
*
* DESCRIPTION
* stmt_list_append is used to append a statement to a statement list.
*/
void
stmt_list_append(stmt_list_ty *sl, stmt_ty *s)
{
trace(("stmt_list_append(sl = %08X, s = %08X)\n{\n", sl, s));
if (sl->sl_nstmts >= sl->sl_nstmts_max)
{
size_t nbytes;
sl->sl_nstmts_max = sl->sl_nstmts_max * 2 + 4;
nbytes = sl->sl_nstmts_max * sizeof(sl->sl_stmt[0]);
sl->sl_stmt = mem_change_size(sl->sl_stmt, nbytes);
}
sl->sl_stmt[sl->sl_nstmts++] = stmt_copy(s);
trace(("}\n"));
}
/*
* NAME
* stmt_list_destructor - free statement list
*
* SYNOPSIS
* void stmt_list_destructor(stmt_list_ty *);
*
* DESCRIPTION
* The stmt_list_destructor function is used to free the list of
* statement trees.
*
* RETURNS
* void
*/
void
stmt_list_destructor(stmt_list_ty *sl)
{
size_t j;
trace(("stmt_list_destructor(sl = %08X)\n{\n", sl));
for (j = 0; j < sl->sl_nstmts; ++j)
stmt_delete(sl->sl_stmt[j]);
if (sl->sl_stmt)
mem_free(sl->sl_stmt);
sl->sl_nstmts = 0;
sl->sl_nstmts_max = 0;
sl->sl_stmt = 0;
trace(("}\n"));
}
void
stmt_list_constructor(stmt_list_ty *slp)
{
slp->sl_nstmts = 0;
slp->sl_nstmts_max = 0;
slp->sl_stmt = 0;
}
void
stmt_list_copy_constructor(stmt_list_ty *slp, const stmt_list_ty *other)
{
size_t j;
slp->sl_nstmts = 0;
slp->sl_nstmts_max = 0;
slp->sl_stmt = 0;
for (j = 0; j < other->sl_nstmts; ++j)
stmt_list_append(slp, other->sl_stmt[j]);
}
stmt_list_ty *
stmt_list_new(void)
{
stmt_list_ty *slp;
slp = mem_alloc(sizeof(stmt_list_ty));
stmt_list_constructor(slp);
return slp;
}
void
stmt_list_delete(stmt_list_ty *slp)
{
stmt_list_destructor(slp);
mem_free(slp);
}
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