示例#1
0
文件: ast.c 项目: NatTuck/snow-proto
char*
pretty_print_any(TreeNode* node, int dd)
{
    int64_t vv_i;
    double  vv_d;

    switch (node->type) {
    case INTEGER_TYPE:
        vv_i = *((int64_t*)node->data);
        return lsprintf("%ld", vv_i);
    case FLOAT_TYPE:
        vv_d = *((double*)node->data);
        return lsprintf("%f", vv_d);
    case SYMBOL_TYPE:
        return (char*)node->data;
    case STRING_TYPE:
        return pretty_print_string(node, dd);
    case BINOP_TYPE:
        return pretty_print_binop(node, dd);
    case UNOP_TYPE:
        return pretty_print_unop(node, dd);
    case DOT_TYPE:
        return pretty_print_dot(node, dd);
    case BIND_TYPE:
        return pretty_print_bind(node, dd);
    case LIST_TYPE:
        return pretty_print_list(node, dd);
    case FUN_TYPE:
        return pretty_print_fun(node, dd);
    case LAMBDA_TYPE:
        return pretty_print_lambda(node, dd);
    case CALL_TYPE:
        return pretty_print_call(node, dd);
    case CALL_LAMBDA_TYPE:
        return pretty_print_call_lambda(node, dd);
    default:
        carp("pretty_print_tree(): Bad node type.");
    }

    abort();
}
示例#2
0
/*
 * Format the specified option so that a human can easily read it.
 */
char *
pretty_print_option(unsigned int code, struct option_data *option,
    int emit_punct)
{
	static char optbuf[32768]; /* XXX */
	int hunksize = 0, numhunk = -1, numelem = 0;
	char fmtbuf[32], *op = optbuf;
	int i, j, k, opleft = sizeof(optbuf);
	unsigned char *data = option->data;
	unsigned char *dp = data;
	int len = option->len;
	int opcount = 0;
	struct in_addr foo;
	char comma;

	memset(optbuf, 0, sizeof(optbuf));

	/* Code should be between 0 and 255. */
	if (code > 255) {
		warning("pretty_print_option: bad code %d", code);
		goto done;
	}

	if (emit_punct)
		comma = ',';
	else
		comma = ' ';

	/* Figure out the size of the data. */
	for (i = 0; dhcp_options[code].format[i]; i++) {
		if (!numhunk) {
			warning("%s: Excess information in format string: %s",
			    dhcp_options[code].name,
			    &(dhcp_options[code].format[i]));
			goto done;
		}
		numelem++;
		fmtbuf[i] = dhcp_options[code].format[i];
		switch (dhcp_options[code].format[i]) {
		case 'A':
			--numelem;
			fmtbuf[i] = 0;
			numhunk = 0;
			if (hunksize == 0) {
				warning("%s: no size indicator before A"
				    " in format string: %s",
				    dhcp_options[code].name,
				    dhcp_options[code].format);
				goto done;
			}
			break;
		case 'X':
			for (k = 0; k < len; k++)
				if (!isascii(data[k]) ||
				    !isprint(data[k]))
					break;
			if (k == len) {
				fmtbuf[i] = 't';
				numhunk = -2;
			} else {
				hunksize++;
				comma = ':';
				numhunk = 0;
			}
			fmtbuf[i + 1] = 0;
			break;
		case 't':
			fmtbuf[i + 1] = 0;
			numhunk = -2;
			break;
		case 'I':
		case 'l':
		case 'L':
			hunksize += 4;
			break;
		case 'S':
			hunksize += 2;
			break;
		case 'B':
		case 'f':
			hunksize++;
			break;
		case 'e':
			break;
		case 'C':
			hunksize += 5;
			break;
		default:
			warning("%s: garbage in format string: %s",
			    dhcp_options[code].name,
			    &(dhcp_options[code].format[i]));
			goto done;
		}
	}

	/* Check for too few bytes. */
	if (hunksize > len) {
		warning("%s: expecting at least %d bytes; got %d",
		    dhcp_options[code].name, hunksize, len);
		goto done;
	}
	/* Check for too many bytes. */
	if (numhunk == -1 && hunksize < len) {
		warning("%s: expecting only %d bytes: got %d",
		    dhcp_options[code].name, hunksize, len);
		goto done;
	}

	/* If this is an array, compute its size. */
	if (!numhunk)
		numhunk = len / hunksize;
	/* See if we got an exact number of hunks. */
	if (numhunk > 0 && numhunk * hunksize != len) {
		warning("%s: expecting %d bytes: got %d",
		    dhcp_options[code].name, numhunk * hunksize, len);
		goto done;
	}

	/* A one-hunk array prints the same as a single hunk. */
	if (numhunk < 0)
		numhunk = 1;

	/* Cycle through the array (or hunk) printing the data. */
	for (i = 0; i < numhunk; i++) {
		for (j = 0; j < numelem; j++) {
			switch (fmtbuf[j]) {
			case 't':
				opcount = pretty_print_string(op, opleft,
				    dp, len, emit_punct);
				break;
			case 'I':
				foo.s_addr = htonl(getULong(dp));
				opcount = snprintf(op, opleft, "%s",
				    inet_ntoa(foo));
				dp += 4;
				break;
			case 'l':
				opcount = snprintf(op, opleft, "%ld",
				    (long)getLong(dp));
				dp += 4;
				break;
			case 'L':
				opcount = snprintf(op, opleft, "%lu",
				    (unsigned long)getULong(dp));
				dp += 4;
				break;
			case 'S':
				opcount = snprintf(op, opleft, "%u",
				    getUShort(dp));
				dp += 2;
				break;
			case 'B':
				opcount = snprintf(op, opleft, "%u", *dp);
				dp++;
				break;
			case 'X':
				opcount = snprintf(op, opleft, "%x", *dp);
				dp++;
				break;
			case 'f':
				opcount = snprintf(op, opleft, "%s",
				    *dp ? "true" : "false");
				dp++;
				break;
			case 'C':
				memset(&foo, 0, sizeof(foo));
				memcpy(&foo.s_addr, dp+1, (*dp + 7) / 8); 
				opcount = snprintf(op, opleft, "%s/%u",
				    inet_ntoa(foo), *dp); 
				if (opcount >= opleft || opcount == -1)
					goto toobig;
				dp += 1 + (*dp + 7) / 8;
 				break;
			default:
				warning("Unexpected format code %c", fmtbuf[j]);
				goto toobig;
			}
			if (opcount >= opleft || opcount == -1)
				goto toobig;
			opleft -= opcount;
			op += opcount;
			if (j + 1 < numelem && comma != ':') {
				opcount = snprintf(op, opleft, " ");
				if (opcount >= opleft || opcount == -1)
					goto toobig;
				opleft -= opcount;
				op += opcount;
			}
		}
		if (i + 1 < numhunk) {
			opcount = snprintf(op, opleft, "%c", comma);
			if (opcount >= opleft || opcount == -1)
				goto toobig;
			opleft -= opcount;
			op += opcount;
		}
	}

done:
	return (optbuf);

toobig:
	memset(optbuf, 0, sizeof(optbuf));
	return (optbuf);
}
示例#3
0
void pretty_print(lexeme tree) {

	if (tree == NULL) {
		//fprintf(stderr, "Got empty tree. Returning...\n");
		return;
	}
	
	lexeme_type type = lexeme_get_type(tree);
	switch(type) {
		case PAIR:
			pretty_print_pair(tree);
			break;
		case STRING:
			pretty_print_string(tree);
			break;
		case AMP:
			pretty_print_amp(tree);
			break;
		case DOT:
			pretty_print_dot(tree);
			break;
		case RETURN:
			pretty_print_return(tree);
			break;
		case BLOCK:
			pretty_print_block(tree);
			break;
		case UNITLIST:
			pretty_print_unitlist(tree);
			break;
		case INT:
			pretty_print_int(tree);
			break;
		case DEC:
			pretty_print_dec(tree);
			break;
		case TRUE:
			pretty_print_true(tree);
			break;
		case FALSE:
			pretty_print_false(tree);
			break;
		case NIL:
			pretty_print_nil(tree);
			break;
		case ID:
			pretty_print_id(tree);
			break;
		case BIND:
			pretty_print_bind(tree);
			break;
		case LAMBDA:
			pretty_print_lambda(tree);
			break;
		case PARAMLIST:
			pretty_print_paramlist(tree);
			break;
		case CALL:
			pretty_print_call(tree);
			break;
		case ARGLIST:
			pretty_print_arglist(tree);
			break;
		default:
			printf("BAD LEXEME");
			lexeme_destroy(tree);
			break;
	}
}