OpenSolaris Launch

1 files changed, 244 insertions, 0 deletions

diff --git a/usr/src/cmd/oawk/parse.c b/usr/src/cmd/oawk/parse.c
new file mode 100644
index 0000000000..d562529e88
--- /dev/null
+++ b/usr/src/cmd/oawk/parse.c
@@ -0,0 +1,244 @@
+/*
+ * 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  	*/
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"
+
+#include "awk.def"
+#include "awk.h"
+#include "stdio.h"
+
+NODE *nodealloc(n)
+{
+	register NODE *x;
+	x = (NODE *) malloc(sizeof (NODE) + (n-1)*sizeof (NODE *));
+	if (x == NULL)
+		error(FATAL, "out of space in nodealloc");
+	return (x);
+}
+
+
+
+
+NODE *exptostat(a) NODE *a;
+{
+	a->ntype = NSTAT;
+	return (a);
+}
+
+
+
+
+NODE *node0(a)
+{
+	register NODE *x;
+	x = nodealloc(0);
+	x->nnext = NULL;
+	x->nobj = a;
+	return (x);
+}
+
+
+
+
+NODE *node1(a, b) NODE *b;
+{
+	register NODE *x;
+	x = nodealloc(1);
+	x->nnext = NULL;
+	x->nobj = a;
+	x->narg[0]=b;
+	return (x);
+}
+
+
+
+
+NODE *node2(a, b, c) NODE *b, *c;
+{
+	register NODE *x;
+	x = nodealloc(2);
+	x->nnext = NULL;
+	x->nobj = a;
+	x->narg[0] = b;
+	x->narg[1] = c;
+	return (x);
+}
+
+
+
+
+NODE *node3(a, b, c, d) NODE *b, *c, *d;
+{
+	register 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(a, b, c, d, e) NODE *b, *c, *d, *e;
+{
+	register 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(a, b, c, d) NODE *b, *c, *d;
+{
+	register NODE *x;
+	x = node3(a, b, c, d);
+	x->ntype = NSTAT;
+	return (x);
+}
+
+
+
+
+NODE *op2(a, b, c) NODE *b, *c;
+{
+	register NODE *x;
+	x = node2(a, b, c);
+	x->ntype = NEXPR;
+	return (x);
+}
+
+
+
+
+NODE *op1(a, b) NODE *b;
+{
+	register NODE *x;
+	x = node1(a, b);
+	x->ntype = NEXPR;
+	return (x);
+}
+
+
+
+
+NODE *stat1(a, b) NODE *b;
+{
+	register NODE *x;
+	x = node1(a, b);
+	x->ntype = NSTAT;
+	return (x);
+}
+
+
+
+
+NODE *op3(a, b, c, d) NODE *b, *c, *d;
+{
+	register NODE *x;
+	x = node3(a, b, c, d);
+	x->ntype = NEXPR;
+	return (x);
+}
+
+
+
+
+NODE *stat2(a, b, c) NODE *b, *c;
+{
+	register NODE *x;
+	x = node2(a, b, c);
+	x->ntype = NSTAT;
+	return (x);
+}
+
+
+
+
+NODE *stat4(a, b, c, d, e) NODE *b, *c, *d, *e;
+{
+	register NODE *x;
+	x = node4(a, b, c, d, e);
+	x->ntype = NSTAT;
+	return (x);
+}
+
+
+
+
+NODE *valtonode(a, b) CELL *a;
+{
+	register NODE *x;
+	x = node0(a);
+	x->ntype = NVALUE;
+	x->subtype = b;
+	return (x);
+}
+
+
+
+
+NODE *pa2stat(a, b, c) NODE *a, *b, *c;
+{
+	register NODE *x;
+	x = node4(PASTAT2, a, b, c, (NODE *) paircnt);
+	paircnt++;
+	x->ntype = NSTAT;
+	return (x);
+}
+
+
+
+
+NODE *linkum(a, b) NODE *a, *b;
+{
+	register 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()
+{
+	register NODE *x;
+	static wchar_t L_record[] = L"$record";
+	x = stat2(PRINT, valtonode(lookup(L_record, symtab, 0), CFLD), NULL);
+	return (x);
+}