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/*
* cook - file construction tool
* Copyright (C) 1994, 1997 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 vpath statementss
*/
#include <stmt/assign.h>
#include <stmt/vpath.h>
static blob_list_ty *vpath;
static blob_list_ty *VPATH;
static void dismember _((blob_list_ty *, blob_list_ty *));
static void
dismember(path, rhs)
blob_list_ty *path;
blob_list_ty *rhs;
{
size_t j;
for (j = 0; j < rhs->length; ++j)
{
blob_ty *bp;
string_list_ty wl;
size_t k;
bp = rhs->list[j];
str2wl(&wl, bp->text, ":", 1);
for (k = 0; k < wl.nstrings; ++k)
{
blob_list_append
(
path,
blob_alloc
(
str_copy(wl.string[k]),
bp->file_name,
bp->line_number
)
);
}
string_list_destructor(&wl);
}
}
void
stmt_vpath_remember1(rhs)
blob_list_ty *rhs;
{
if (!vpath)
vpath = blob_list_alloc();
dismember(vpath, rhs);
blob_list_free(rhs);
}
void
stmt_vpath_remember2(rhs)
blob_list_ty *rhs;
{
if (!VPATH)
VPATH = blob_list_alloc();
dismember(VPATH, rhs);
blob_list_free(rhs);
}
stmt_ty *
stmt_vpath_default()
{
static string_ty *builtin;
blob_ty *lhs;
blob_list_ty *rhs;
size_t j;
if (!vpath && !VPATH)
return 0;
if (!builtin)
builtin = str_from_c("builtin");
lhs = blob_alloc(str_from_c("search_list"), builtin, 999);
rhs = blob_list_alloc();
blob_list_append(rhs, blob_alloc(str_from_c("."), builtin, 999));
if (vpath)
{
for (j = 0; j < vpath->length; ++j)
blob_list_append(rhs, blob_copy(vpath->list[j]));
blob_list_free(vpath);
vpath = 0;
}
if (VPATH)
{
for (j = 0; j < VPATH->length; ++j)
blob_list_append(rhs, blob_copy(VPATH->list[j]));
blob_list_free(VPATH);
VPATH = 0;
}
return stmt_assign_alloc(1, lhs, stmt_assign_op_colon, rhs);
}
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