eftinfo/common/eftinfo.c

	eftinfo.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * 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 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 *
 * eftinfo.c -- main routine for eftinfo command
 *
 * argument processing and the general flow through all the other
 * modules is driven by this file.
 */

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

#include <stdio.h>
#include <string.h>
#ifdef sun
#include <stdlib.h>
#else
#include <getopt.h>
#endif /* sun */
#include "out.h"
#include "alloc.h"
#include "stats.h"
#include "stable.h"
#include "literals.h"
#include "lut.h"
#include "esclex.h"
#include "ptree.h"
#include "tree.h"
#include "check.h"
#include "version.h"
#include "eftread.h"

/* stuff exported by yacc-generated parsers */
extern void yyparse(void);
extern int yydebug;

/*
 * This external definition has to be here.  If we put it in literals.h
 * lint complains about the declaration not being used within the block
 * when compiling literals.c.
 */
extern void literals_init(void);

static const char *Usage = "[-DEPghpqvw] eft-files...";
static const char *Help =
"\t-D            Print dictionaries EFT references.\n"
"\t-E            Print ereports EFT will consume.\n"
"\t-P            Print problems EFT can diagnose.\n"
"\t-g            Print generated iterators (use with -p)\n"
"\t-h            Print this help message\n"
"\t-p            Print complete propagation tree\n"
"\t-q            Quiet mode, no header info printed\n"
"\t-v            Enable verbose output\n"
"\t-w            Enable language warnings";
/*
 * and some undocumented extras...
 *  "\t-S            Print stats for compiler memory usage, etc.\n"
 *  "\t-Y            Enable parser debug output\n"
 *  "\t-d            Enable general debug output\n"
 *  "\t-y            Enable lexer debug output\n"
 *
 */

int Debug;
int Verbose;
int Warn;

extern int Pchildgen;   /* flag to ptree for printing generated interators */

extern struct lut *Dicts;

/*ARGSUSED*/
static void
dictprint(const char *s, void *rhs, void *arg)
{
    static char *sep = "";

    out(O_OK|O_NONL, "%s%s", sep, s);
    sep = ":";
}

void
main(int argc, char *argv[])
{
    int c;
    int count;
    int Dflag = 0;
    int Eflag = 0;
    int yflag = 0;
    int Pflag = 0;
    int Sflag = 0;
    int pflag = 0;
    int qflag = 0;

    alloc_init();
    out_init(argv[0]);
    stats_init(1);      /* extended stats always enabled for eftinfo */
    stable_init(0);
    literals_init();
    lut_init();
    tree_init();

    while ((c = getopt(argc, argv, "DEPSYdghpqvwy")) != EOF) {
        switch (c) {
        case 'D':
            Dflag++;
            break;

        case 'E':
            Eflag++;
            break;

        case 'y':
            yflag++;
            break;

        case 'P':
            Pflag++;
            break;

        case 'S':
            Sflag++;
            break;

        case 'Y':
            yydebug++;
            break;

        case 'd':
            Debug++;
            break;

        case 'g':
            Pchildgen++;
            break;

        case 'h':
        case '?':
            out(O_PROG, "version %d.%d",
                VERSION_MAJOR, VERSION_MINOR);
            out(O_DIE|O_USAGE, "%s\n%s", Usage, Help);
            /*NOTREACHED*/

        case 'p':
            pflag++;
            break;

        case 'q':
            qflag++;
            break;

        case 'v':
            Verbose++;
            break;

        case 'w':
            Warn++;
            break;

        default:
            out(O_DIE|O_USAGE, Usage);
            /*NOTREACHED*/
        }
    }

    out(O_PROG|O_VERB, "version %d.%d",
        VERSION_MAJOR, VERSION_MINOR);
    argc -= optind;

    if (argc < 1)
        out(O_DIE|O_USAGE, Usage);

    if (!qflag)
        eftread_showheader(1);

    lex_init(&argv[optind], NULL, yflag);
    check_init();
    yyparse();
    (void) lex_fini();

    tree_report();

    if (count = out_errcount())
        out(O_DIE, "%d error%s encountered, exiting.", OUTS(count));

    if (Dflag) {
        out(O_OK|O_NONL, "Dictionaries: ");
        lut_walk(Dicts, (lut_cb)dictprint, (void *)0);
        out(O_OK, NULL);
    }

    if (Eflag)
        ptree_ereport(O_OK, NULL);

    if (Pflag) {
        ptree_fault(O_OK, NULL);
        ptree_upset(O_OK, NULL);
        ptree_defect(O_OK, NULL);
    }

    if (pflag)
        ptree_name_iter(O_OK, tree_root(NULL));

    if (Sflag) {
        out(O_OK, "Stats:");
        stats_publish();
    }

    out_exit(0);
    /*NOTREACHED*/
}