dataset: Remove unused types and useless struct forward declaration.

[pspp-builds.git] / src / language / data-io / placement-parser.c

diff --git a/src/language/data-io/placement-parser.c b/src/language/data-io/placement-parser.c
index e9fe337268b6ef86ebeca66139f439b9483341e2..4d0a0b4c3b17d180e4465a00bda54bc4aed8e359 100644 (file)
--- a/src/language/data-io/placement-parser.c
+++ b/src/language/data-io/placement-parser.c
@@ -1,5 +1,5 @@
 /* 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
@@ -16,20 +16,19 @@
 
 #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)
@@ -293,12 +292,10 @@ execute_placement_format (const struct fmt_spec *format,
    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)
@@ -307,7 +304,6 @@ parse_column (struct lexer *lexer, int base, int *column)
         msg (SE, _("Column positions for fields must not be negative."));
       return false;
     }
-  lex_get (lexer);
   return true;
 }
 
@@ -330,15 +326,18 @@ parse_column_range (struct lexer *lexer, int base,
                     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 "