comp_parse.c

ncurses 库 可能有用酒用 没用就算了 我觉得还可以用

		    multiples++;
		}
		if (matchcount >= 1)
		    (void) fprintf(stderr, " %s", _nc_first_name(rp->tterm.term_names));
	    }
	}
	if (matchcount >= 1)
	    (void) putc('\n', stderr);
    }
    if (multiples > 0)
	return (FALSE);

    DEBUG(2, ("NO MULTIPLE NAME OCCURRENCES"));

    /*
     * First resolution stage: compute link pointers corresponding to names.
     */
    total_unresolved = 0;
    _nc_curr_col = -1;
    for_entry_list(qp) {
	unresolved = 0;
	for (i = 0; i < qp->nuses; i++) {
	    bool foundit;
	    char *child = _nc_first_name(qp->tterm.term_names);
	    char *lookfor = qp->uses[i].name;
	    long lookline = qp->uses[i].line;

	    foundit = FALSE;

	    _nc_set_type(child);

	    /* first, try to resolve from in-core records */
	    for_entry_list(rp) {
		if (rp != qp
		    && _nc_name_match(rp->tterm.term_names, lookfor, "|")) {
		    DEBUG(2, ("%s: resolving use=%s (in core)",
			      child, lookfor));

		    qp->uses[i].link = rp;
		    foundit = TRUE;
		}
	    }

	    /* if that didn't work, try to merge in a compiled entry */
	    if (!foundit) {
		TERMTYPE thisterm;
		char filename[PATH_MAX];

		memset(&thisterm, 0, sizeof(thisterm));
		if (_nc_read_entry(lookfor, filename, &thisterm) == 1) {
		    DEBUG(2, ("%s: resolving use=%s (compiled)",
			      child, lookfor));

		    rp = typeMalloc(ENTRY, 1);
		    if (rp == 0)
			_nc_err_abort(MSG_NO_MEMORY);
		    rp->tterm = thisterm;
		    rp->nuses = 0;
		    rp->next = lastread;
		    lastread = rp;

		    qp->uses[i].link = rp;
		    foundit = TRUE;
		}
	    }

	    /* no good, mark this one unresolvable and complain */
	    if (!foundit) {
		unresolved++;
		total_unresolved++;

		_nc_curr_line = lookline;
		_nc_warning("resolution of use=%s failed", lookfor);
		qp->uses[i].link = 0;
	    }
	}
    }
    if (total_unresolved) {
	/* free entries read in off disk */
	_nc_free_entries(lastread);
	return (FALSE);
    }

    DEBUG(2, ("NAME RESOLUTION COMPLETED OK"));

    /*
     * OK, at this point all (char *) references in `name' members
     * have been successfully converted to (ENTRY *) pointers in
     * `link' members.  Time to do the actual merges.
     */
    if (fullresolve) {
	do {
	    TERMTYPE merged;

	    keepgoing = FALSE;

	    for_entry_list(qp) {
		if (qp->nuses > 0) {
		    DEBUG(2, ("%s: attempting merge",
			      _nc_first_name(qp->tterm.term_names)));
		    /*
		     * If any of the use entries we're looking for is
		     * incomplete, punt.  We'll catch this entry on a
		     * subsequent pass.
		     */
		    for (i = 0; i < qp->nuses; i++)
			if (qp->uses[i].link->nuses) {
			    DEBUG(2, ("%s: use entry %d unresolved",
				      _nc_first_name(qp->tterm.term_names), i));
			    goto incomplete;
			}

		    /*
		       * First, make sure there's no garbage in the
		       * merge block.  as a side effect, copy into
		       * the merged entry the name field and string
		       * table pointer.
		     */
		    _nc_copy_termtype(&merged, &(qp->tterm));

		    /*
		     * Now merge in each use entry in the proper
		     * (reverse) order.
		     */
		    for (; qp->nuses; qp->nuses--)
			_nc_merge_entry(&merged,
					&qp->uses[qp->nuses - 1].link->tterm);

		    /*
		     * Now merge in the original entry.
		     */
		    _nc_merge_entry(&merged, &qp->tterm);

		    /*
		     * Replace the original entry with the merged one.
		     */
		    FreeIfNeeded(qp->tterm.Booleans);
		    FreeIfNeeded(qp->tterm.Numbers);
		    FreeIfNeeded(qp->tterm.Strings);
		    qp->tterm = merged;
		    _nc_wrap_entry(qp, TRUE);

		    /*
		     * We know every entry is resolvable because name resolution
		     * didn't bomb.  So go back for another pass.
		     */
		    /* FALLTHRU */
		  incomplete:
		    keepgoing = TRUE;
		}
	    }
	} while
	    (keepgoing);

	DEBUG(2, ("MERGES COMPLETED OK"));
    }

    /*
     * We'd like to free entries read in off disk at this point, but can't.
     * The merge_entry() code doesn't copy the strings in the use entries,
     * it just aliases them.  If this ever changes, do a
     * free_entries(lastread) here.
     */

    DEBUG(2, ("RESOLUTION FINISHED"));

    if (fullresolve)
	if (_nc_check_termtype != 0) {
	    _nc_curr_col = -1;
	    for_entry_list(qp) {
		_nc_curr_line = qp->startline;
		_nc_set_type(_nc_first_name(qp->tterm.term_names));
		_nc_check_termtype2(&qp->tterm, literal);
	    }
	    DEBUG(2, ("SANITY CHECK FINISHED"));
	}

    return (TRUE);
}

/* obsolete: 20040705 */
NCURSES_EXPORT(int)
_nc_resolve_uses(bool fullresolve)
{
    return _nc_resolve_uses2(fullresolve, FALSE);
}

/*
 * This bit of legerdemain turns all the terminfo variable names into
 * references to locations in the arrays Booleans, Numbers, and Strings ---
 * precisely what's needed.
 */

#undef CUR
#define CUR tp->

static void
sanity_check2(TERMTYPE *tp, bool literal)
{
    if (!PRESENT(exit_attribute_mode)) {
#ifdef __UNUSED__		/* this casts too wide a net */
	bool terminal_entry = !strchr(tp->term_names, '+');
	if (terminal_entry &&
	    (PRESENT(set_attributes)
	     || PRESENT(enter_standout_mode)
	     || PRESENT(enter_underline_mode)
	     || PRESENT(enter_blink_mode)
	     || PRESENT(enter_bold_mode)
	     || PRESENT(enter_dim_mode)
	     || PRESENT(enter_secure_mode)
	     || PRESENT(enter_protected_mode)
	     || PRESENT(enter_reverse_mode)))
	    _nc_warning("no exit_attribute_mode");
#endif /* __UNUSED__ */
	PAIRED(enter_standout_mode, exit_standout_mode);
	PAIRED(enter_underline_mode, exit_underline_mode);
    }

    /* we do this check/fix in postprocess_termcap(), but some packagers
     * prefer to bypass it...
     */
    if (!literal) {
	if (acs_chars == 0
	    && enter_alt_charset_mode != 0
	    && exit_alt_charset_mode != 0)
	    acs_chars = strdup(VT_ACSC);
	ANDMISSING(enter_alt_charset_mode, acs_chars);
	ANDMISSING(exit_alt_charset_mode, acs_chars);
    }

    /* listed in structure-member order of first argument */
    PAIRED(enter_alt_charset_mode, exit_alt_charset_mode);
    ANDMISSING(enter_blink_mode, exit_attribute_mode);
    ANDMISSING(enter_bold_mode, exit_attribute_mode);
    PAIRED(exit_ca_mode, enter_ca_mode);
    PAIRED(enter_delete_mode, exit_delete_mode);
    ANDMISSING(enter_dim_mode, exit_attribute_mode);
    PAIRED(enter_insert_mode, exit_insert_mode);
    ANDMISSING(enter_secure_mode, exit_attribute_mode);
    ANDMISSING(enter_protected_mode, exit_attribute_mode);
    ANDMISSING(enter_reverse_mode, exit_attribute_mode);
    PAIRED(from_status_line, to_status_line);
    PAIRED(meta_off, meta_on);

    PAIRED(prtr_on, prtr_off);
    PAIRED(save_cursor, restore_cursor);
    PAIRED(enter_xon_mode, exit_xon_mode);
    PAIRED(enter_am_mode, exit_am_mode);
    ANDMISSING(label_off, label_on);
#ifdef remove_clock
    PAIRED(display_clock, remove_clock);
#endif
    ANDMISSING(set_color_pair, initialize_pair);
}

/* obsolete: 20040705 */
static void
sanity_check(TERMTYPE *tp)
{
    sanity_check2(tp, FALSE);
}