/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

#include "awk.def"
#include "awk.h"
#include "stdio.h"
#include "stdint.h"

NODE *nodealloc(int n)
{
        NODE *x;
        x = (NODE *) malloc(sizeof (NODE) + n * sizeof (NODE *));
        if (x == NULL)
                error(FATAL, "out of space in nodealloc");
        return (x);
}




NODE *exptostat(NODE *a)
{
        a->ntype = NSTAT;
        return (a);
}




NODE *node0(int a)
{
        NODE *x;
        x = nodealloc(0);       /* No space for narg */
        x->nnext = NULL;
        x->nobj = a;
        return (x);
}




NODE *node1(int a, NODE *b)
{
        NODE *x;
        x = nodealloc(1);
        x->nnext = NULL;
        x->nobj = a;
        x->narg[0]=b;
        return (x);
}




NODE *node2(int a, NODE *b, NODE *c)
{
        NODE *x;
        x = nodealloc(2);
        x->nnext = NULL;
        x->nobj = a;
        x->narg[0] = b;
        x->narg[1] = c;
        return (x);
}




NODE *node3(int a, NODE *b, NODE *c, NODE *d)
{
        NODE *x;
        x = nodealloc(3);
        x->nnext = NULL;
        x->nobj = a;
        x->narg[0] = b;
        x->narg[1] = c;
        x->narg[2] = d;
        return (x);
}




NODE *node4(int a, NODE *b, NODE *c, NODE *d, NODE *e)
{
        NODE *x;
        x = nodealloc(4);
        x->nnext = NULL;
        x->nobj = a;
        x->narg[0] = b;
        x->narg[1] = c;
        x->narg[2] = d;
        x->narg[3] = e;
        return (x);
}




NODE *stat3(int a, NODE *b, NODE *c, NODE *d)
{
        NODE *x;
        x = node3(a, b, c, d);
        x->ntype = NSTAT;
        return (x);
}




NODE *op2(int a, NODE *b, NODE *c)
{
        NODE *x;
        x = node2(a, b, c);
        x->ntype = NEXPR;
        return (x);
}




NODE *op1(int a, NODE *b)
{
        NODE *x;
        x = node1(a, b);
        x->ntype = NEXPR;
        return (x);
}




NODE *stat1(int a, NODE *b)
{
        NODE *x;
        x = node1(a, b);
        x->ntype = NSTAT;
        return (x);
}




NODE *op3(int a, NODE *b, NODE *c, NODE *d)
{
        NODE *x;
        x = node3(a, b, c, d);
        x->ntype = NEXPR;
        return (x);
}




NODE *stat2(int a, NODE *b, NODE *c)
{
        NODE *x;
        x = node2(a, b, c);
        x->ntype = NSTAT;
        return (x);
}




NODE *stat4(int a, NODE *b, NODE *c, NODE *d, NODE *e)
{
        NODE *x;
        x = node4(a, b, c, d, e);
        x->ntype = NSTAT;
        return (x);
}




NODE *valtonode(CELL *a, int b)
{
        NODE *x;
        x = node0((uintptr_t)a);
        x->ntype = NVALUE;
        x->subtype = b;
        return (x);
}




NODE *pa2stat(NODE *a, NODE *b, NODE *c)
{
        NODE *x;
        x = node4(PASTAT2, a, b, c, (NODE *) paircnt);
        paircnt++;
        x->ntype = NSTAT;
        return (x);
}




NODE *linkum(NODE *a, NODE *b)
{
        NODE *c;
        if (a == NULL) return (b);
        else if (b == NULL) return (a);
        for (c = a; c->nnext != NULL; c=c->nnext)
                ;
        c->nnext = b;
        return (a);
}




NODE *genprint(void)
{
        NODE *x;
        static wchar_t L_record[] = L"$record";
        x = stat2(PRINT, valtonode(lookup(L_record, symtab, 0), CFLD), NULL);
        return (x);
}