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%{
/*
* 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 (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#pragma error_messages(off, E_BLOCK_DECL_UNUSED)
#pragma error_messages(off, E_EQUALITY_NOT_ASSIGNMENT)
#pragma error_messages(off, E_FUNC_RET_MAYBE_IGNORED2)
#pragma error_messages(off, E_STMT_NOT_REACHED)
#include <libintl.h>
#include <string.h>
#include "svccfg.h"
#include "svccfg_grammar.h"
/*
* We need to undefine lex's input, unput, and output macros so that references
* to these call the functions we provide at the end of this source file,
* instead of the default versions based on libc's stdio.
*/
#ifdef input
#undef input
#endif
#ifdef unput
#undef unput
#endif
#ifdef output
#undef output
#endif
static int input(void);
static void unput(int);
static void output(int);
int parens = 0;
extern int yyerror(const char *);
%}
/*
* Since command tokens are only valid at the beginning of the command (or
* after help), we'll only return them in the INITIAL state, and report them
* as SCV_WORDs afterwards.
*/
%Start WORD
/*
* The default value of lex for transitions is 2000 and it seems we reached it.
* So we are bumping it up!
*/
%a 3000
%%
#.*$ ; /* comments */
<INITIAL>validate { BEGIN WORD; return (SCC_VALIDATE); }
<INITIAL>import { BEGIN WORD; return (SCC_IMPORT); }
<INITIAL>cleanup { BEGIN WORD; return (SCC_CLEANUP); }
<INITIAL>export { BEGIN WORD; return (SCC_EXPORT); }
<INITIAL>archive { BEGIN WORD; return (SCC_ARCHIVE); }
<INITIAL>restore { BEGIN WORD; return (SCC_RESTORE); }
<INITIAL>apply { BEGIN WORD; return (SCC_APPLY); }
<INITIAL>extract { BEGIN WORD; return (SCC_EXTRACT); }
<INITIAL>repository { BEGIN WORD; return (SCC_REPOSITORY); }
<INITIAL>inventory { BEGIN WORD; return (SCC_INVENTORY); }
<INITIAL>set { BEGIN WORD; return (SCC_SET); }
<INITIAL>end { BEGIN WORD; return (SCC_END); }
<INITIAL>exit { BEGIN WORD; return (SCC_END); }
<INITIAL>quit { BEGIN WORD; return (SCC_END); }
<INITIAL>help { return (SCC_HELP); }
<INITIAL>list { BEGIN WORD; return (SCC_LIST); }
<INITIAL>add { BEGIN WORD; return (SCC_ADD); }
<INITIAL>delete { BEGIN WORD; return (SCC_DELETE); }
<INITIAL>select { BEGIN WORD; return (SCC_SELECT); }
<INITIAL>unselect { BEGIN WORD; return (SCC_UNSELECT); }
<INITIAL>listpg { BEGIN WORD; return (SCC_LISTPG); }
<INITIAL>addpg { BEGIN WORD; return (SCC_ADDPG); }
<INITIAL>delpg { BEGIN WORD; return (SCC_DELPG); }
<INITIAL>delhash { BEGIN WORD; return (SCC_DELHASH); }
<INITIAL>listprop { BEGIN WORD; return (SCC_LISTPROP); }
<INITIAL>setprop { BEGIN WORD; return (SCC_SETPROP); }
<INITIAL>delprop { BEGIN WORD; return (SCC_DELPROP); }
<INITIAL>editprop { BEGIN WORD; return (SCC_EDITPROP); }
<INITIAL>describe { BEGIN WORD; return (SCC_DESCRIBE); }
<INITIAL>addpropvalue { BEGIN WORD; return (SCC_ADDPROPVALUE); }
<INITIAL>delpropvalue { BEGIN WORD; return (SCC_DELPROPVALUE); }
<INITIAL>setenv { BEGIN WORD; return (SCC_SETENV); }
<INITIAL>unsetenv { BEGIN WORD; return (SCC_UNSETENV); }
<INITIAL>listsnap { BEGIN WORD; return (SCC_LISTSNAP); }
<INITIAL>selectsnap { BEGIN WORD; return (SCC_SELECTSNAP); }
<INITIAL>revert { BEGIN WORD; return (SCC_REVERT); }
<INITIAL>refresh { BEGIN WORD; return (SCC_REFRESH); }
<INITIAL>delnotify { BEGIN WORD; return (SCC_DELNOTIFY); }
<INITIAL>listnotify { BEGIN WORD; return (SCC_LISTNOTIFY); }
<INITIAL>setnotify { BEGIN WORD; return (SCC_SETNOTIFY); }
[^ \t\n">=()]+ {
if ((yylval.str = strdup(yytext)) == NULL) {
yyerror(gettext("Out of memory"));
exit(UU_EXIT_FATAL);
}
return SCV_WORD;
}
\"([^"\\]|\\.)*\" {
/*
* double-quoted strings start at a
* double-quote, include characters other than
* double-quote and backslash, and
* backslashed-characters, and end with a
* double-quote.
*/
char *str, *cp;
int shift;
if ((str = strdup(yytext)) == NULL) {
yyerror(gettext("Out of memory"));
exit(UU_EXIT_FATAL);
}
/* Strip out the backslashes. */
for (cp = str, shift = 0; *cp != '\0'; ++cp) {
if (*cp == '\\') {
++cp;
/*
* This can't be null because
* the string always ends with
* a double-quote.
*/
++shift;
*(cp - shift) = *cp;
} else if (shift != 0)
*(cp - shift) = *cp;
}
/* Nullify everything after trailing quote */
*(cp - shift) = '\0';
yylval.str = str;
return SCV_STRING;
}
\n {
est->sc_cmd_lineno++;
BEGIN INITIAL;
return (SCS_NEWLINE);
}
[ \t]+ ;
">" { return SCS_REDIRECT; }
"=" { return SCS_EQUALS; }
"(" { ++parens; return SCS_LPAREN; }
")" { --parens; return SCS_RPAREN; }
. {
uu_die(gettext("unrecognized character %s\n"),
yytext);
}
%%
int
yyerror(const char *s)
{
return (0);
}
static int
input(void)
{
static int saw_eof = 0;
int c = engine_cmd_getc(est);
/*
* To ensure input is terminated, slip in a newline on EOF.
*/
if (c == EOF) {
if (saw_eof)
return (0);
saw_eof = 1;
return ('\n');
} else
saw_eof = 0;
if (c == '\n')
yylineno++;
return (c);
}
static void
unput(int c)
{
if (c == '\n')
yylineno--;
(void) engine_cmd_ungetc(est, c == 0 ? EOF : c);
}
static void
output(int c)
{
char ch = c;
engine_cmd_nputs(est, &ch, sizeof (ch));
}
|
