cmd/zonecfg/zonecfg_lex.l

%{
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include <string.h>
#include <libintl.h>
#include "zonecfg.h"
#include "zonecfg_grammar.tab.h"

int lex_lineno = 1;	/* line number for error reporting */
static int state = INITIAL;
extern bool cmd_file_mode;
extern bool saw_error;
extern void yyerror(char *s);
char *safe_strdup(char *s);
%}

%a 3000

%{
/*
 * The three states below are for tokens, lists and complex property values.
 * Note that simple property values are a subset of tokens.
 */
%}
%s TSTATE
%s LSTATE
%s CSTATE
%%

<INITIAL>"#"[^\n]*	{ }

<INITIAL>add	{
			BEGIN TSTATE;
			state = TSTATE;
			return ADD;
		}

<INITIAL>cancel	{
			BEGIN TSTATE;
			state = TSTATE;
			return CANCEL;
		}

<INITIAL>commit	{
			BEGIN TSTATE;
			state = TSTATE;
			return COMMIT;
		}

<INITIAL>create	{
			BEGIN TSTATE;
			state = TSTATE;
			return CREATE;
		}

<INITIAL>delete {
			BEGIN TSTATE;
			state = TSTATE;
			return DELETE;
		}

<INITIAL>end	{
			BEGIN TSTATE;
			state = TSTATE;
			return END;
		}

<INITIAL>exit	{
			BEGIN TSTATE;
			state = TSTATE;
			return EXIT;
		}

<INITIAL>export	{
			BEGIN TSTATE;
			state = TSTATE;
			return EXPORT;
		}

<INITIAL>"?"|help {
			BEGIN TSTATE;
			state = TSTATE;
			return HELP;
		}

<INITIAL>info	{
			BEGIN TSTATE;
			state = TSTATE;
			return INFO;
		}

<INITIAL>remove	{
			BEGIN TSTATE;
			state = TSTATE;
			return REMOVE;
		}

<INITIAL>revert	{
			BEGIN TSTATE;
			state = TSTATE;
			return REVERT;
		}

<INITIAL>select {
			BEGIN TSTATE;
			state = TSTATE;
			return SELECT;
		}

<INITIAL>set {
			BEGIN TSTATE;
			state = TSTATE;
			return SET;
		}

<INITIAL>verify	{
			BEGIN TSTATE;
			state = TSTATE;
			return VERIFY;
		}

<TSTATE>net	{ return NET; }

<TSTATE>fs	{ return FS; }

<TSTATE>inherit-pkg-dir	{ return IPD; }

<TSTATE>device	{ return DEVICE; }

<TSTATE>rctl	{ return RCTL; }

<TSTATE>attr	{ return ATTR; }

<TSTATE>zonename	{ return ZONENAME; }
<CSTATE>zonename	{ return ZONENAME; }

<TSTATE>dataset	{ return DATASET; }

<TSTATE>zonepath	{ return ZONEPATH; }
<CSTATE>zonepath	{ return ZONEPATH; }

<TSTATE>autoboot	{ return AUTOBOOT; }
<CSTATE>autoboot	{ return AUTOBOOT; }

<TSTATE>pool	{ return POOL; }
<CSTATE>pool	{ return POOL; }

<TSTATE>limitpriv	{ return LIMITPRIV; }
<CSTATE>limitpriv	{ return LIMITPRIV; }

<TSTATE>type	{ return TYPE; }
<CSTATE>type	{ return TYPE; }

<TSTATE>value	{ return VALUE; }
<CSTATE>value	{ return VALUE; }

<TSTATE>options	{ return OPTIONS; }
<CSTATE>options	{ return OPTIONS; }

<TSTATE>address	{ return ADDRESS; }
<CSTATE>address	{ return ADDRESS; }

<TSTATE>physical	{ return PHYSICAL; }
<CSTATE>physical	{ return PHYSICAL; }

<TSTATE>dir	{ return DIR; }
<CSTATE>dir	{ return DIR; }

<TSTATE>special	{ return SPECIAL; }
<CSTATE>special	{ return SPECIAL; }

<TSTATE>raw	{ return RAW; }
<CSTATE>raw	{ return RAW; }

<TSTATE>name	{ return NAME; }
<CSTATE>name	{ return NAME; }

<TSTATE>match	{ return MATCH; }
<CSTATE>match	{ return MATCH; }

<TSTATE>priv	{ return PRIV; }
<CSTATE>priv	{ return PRIV; }

<TSTATE>limit	{ return LIMIT; }
<CSTATE>limit	{ return LIMIT; }

<TSTATE>action	{ return ACTION; }
<CSTATE>action	{ return ACTION; }

<TSTATE>=	{ return EQUAL; }
<LSTATE>=	{ return EQUAL; }
<CSTATE>=	{ return EQUAL; }

<TSTATE>"["	{
			BEGIN LSTATE;
			state = LSTATE;
			return OPEN_SQ_BRACKET;
		}

<LSTATE>"]"	{
			BEGIN TSTATE;
			state = TSTATE;
			return CLOSE_SQ_BRACKET;
		}

<TSTATE>"("	{
			BEGIN CSTATE;
			return OPEN_PAREN;
		}

<LSTATE>"("	{
			BEGIN CSTATE;
			return OPEN_PAREN;
		}

<CSTATE>")"	{
			BEGIN state;
			return CLOSE_PAREN;
		}

<LSTATE>","	{ return COMMA; }
<CSTATE>","	{ return COMMA; }

<TSTATE>[^ \t\n\";=\[\]\(\)]+	{
			yylval.strval = safe_strdup(yytext);
			return TOKEN;
		}

<LSTATE>[^ \t\n\",;=\[\]\(\)]+	{
			yylval.strval = safe_strdup(yytext);
			return TOKEN;
		}

<CSTATE>[^ \t\n\",;=\(\)]+	{
			yylval.strval = safe_strdup(yytext);
			return TOKEN;
		}

<TSTATE>\"[^\"\n]*[\"\n] {
			yylval.strval = safe_strdup(yytext + 1);
			if (yylval.strval[yyleng - 2] == '"')
				yylval.strval[yyleng - 2] = 0;
			return TOKEN;
		}

<LSTATE>\"[^\"\n]*[\"\n] {
			yylval.strval = safe_strdup(yytext + 1);
			if (yylval.strval[yyleng - 2] == '"')
				yylval.strval[yyleng - 2] = 0;
			return TOKEN;
		}

";"		{
			BEGIN INITIAL;
			return (yytext[0]);
		}

\n		{
			lex_lineno++;
			BEGIN INITIAL;
			return (yytext[0]);
		}

[ \t]		;	/* Ignore whitespace */

.		{
			return (yytext[0]);
		}

%%

char *
safe_strdup(char *s)
{
	char *result;

	if ((result = strdup(s)) == NULL) {
		yyerror("Out of memory");
		exit(Z_ERR);
	}
	return (result);
}

void
yyerror(char *s)
{
	/* feof(yyin) is not an error; anything else is, so we set saw_error */
	if (yytext[0] == '\0') {
		if (!feof(yyin)) {
			saw_error = TRUE;
			(void) fprintf(stderr, gettext("%s, token expected\n"),
			    s);
		}
		return;
	}

	saw_error = TRUE;
	if (cmd_file_mode)
		(void) fprintf(stderr, gettext("%s on line %d at '%s'\n"), s,
		    lex_lineno, (yytext[0] == '\n') ? "\\n" : yytext);
	else
		(void) fprintf(stderr, gettext("%s at '%s'\n"), s,
		    (yytext[0] == '\n') ? "\\n" : yytext);
	usage(FALSE, HELP_SUBCMDS);
}