/* PSPP - a program for statistical analysis.
- Copyright (C) 2006, 2010 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2010, 2011 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <config.h>
-#include <language/data-io/placement-parser.h>
+#include "language/data-io/placement-parser.h"
#include <assert.h>
-#include <language/lexer/format-parser.h>
-#include <language/lexer/lexer.h>
-#include <libpspp/message.h>
-#include <libpspp/pool.h>
-#include <libpspp/str.h>
+#include "data/format.h"
+#include "language/lexer/format-parser.h"
+#include "language/lexer/lexer.h"
+#include "libpspp/message.h"
+#include "libpspp/pool.h"
+#include "libpspp/str.h"
-#include <data/format.h>
-
-#include "xalloc.h"
-#include "xsize.h"
+#include "gl/xalloc.h"
+#include "gl/xsize.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
stores a 1-based column number into *COLUMN if successful,
otherwise emits an error message and returns false. */
static bool
-parse_column (struct lexer *lexer, int base, int *column)
+parse_column (int value, int base, int *column)
{
assert (base == 0 || base == 1);
- if (!lex_force_int (lexer))
- return false;
- *column = lex_integer (lexer) - base + 1;
+ *column = value - base + 1;
if (*column < 1)
{
if (base == 1)
msg (SE, _("Column positions for fields must not be negative."));
return false;
}
- lex_get (lexer);
return true;
}
bool *range_specified)
{
/* First column. */
- if (!parse_column (lexer, base, first_column))
+ if (!lex_force_int (lexer)
+ || !parse_column (lex_integer (lexer), base, first_column))
return false;
+ lex_get (lexer);
/* Last column. */
- lex_negative_to_dash (lexer);
- if (lex_match (lexer, T_DASH))
+ if (lex_is_integer (lexer) && lex_integer (lexer) < 0)
{
- if (!parse_column (lexer, base, last_column))
+ if (!parse_column (-lex_integer (lexer), base, last_column))
return false;
+ lex_get (lexer);
+
if (*last_column < *first_column)
{
msg (SE, _("The ending column for a field must be "