X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Flanguage%2Flexer%2Frange-parser.c;h=e71bc299da236b1913779dc18fef16b5cdb5fac3;hb=0085c7edf6d3b9c9ee2ce880893023c567886101;hp=41d01984fb5528dc7ff1b09e90ad07cdf57e3f8e;hpb=dcf9b154cbcaa35c3d8459a201b77eec8bcb30bd;p=pspp
diff --git a/src/language/lexer/range-parser.c b/src/language/lexer/range-parser.c
index 41d01984fb..e71bc299da 100644
--- a/src/language/lexer/range-parser.c
+++ b/src/language/lexer/range-parser.c
@@ -1,43 +1,60 @@
+/* PSPP - a program for statistical analysis.
+ Copyright (C) 2005, 2006 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
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see . */
+
#include
#include "range-parser.h"
#include
-#include "data-in.h"
-#include "message.h"
+#include
+#include
#include "lexer.h"
-#include "magic.h"
-#include "str.h"
-#include "value.h"
+#include
+#include
+#include
#include "gettext.h"
#define _(msgid) gettext (msgid)
#define N_(msgid) msgid
-static bool parse_number (double *, const struct fmt_spec *);
+static bool parse_number (struct lexer *, double *, const enum fmt_type *);
/* Parses and stores a numeric value, or a range of the form "x
THRU y". Open-ended ranges may be specified as "LO(WEST) THRU
y" or "x THRU HI(GHEST)". Sets *X and *Y to the range or the
value and returns success.
- Numeric values are always accepted. If F is nonnull, then
- string values are also accepted, and converted to numeric
- values using the specified format. */
+ Numeric values are always accepted. If FORMAT is nonnull,
+ then string values are also accepted, and converted to numeric
+ values using *FORMAT. */
bool
-parse_num_range (double *x, double *y, const struct fmt_spec *f)
+parse_num_range (struct lexer *lexer,
+ double *x, double *y, const enum fmt_type *format)
{
- if (lex_match_id ("LO") || lex_match_id ("LOWEST"))
+ if (lex_match_id (lexer, "LO") || lex_match_id (lexer, "LOWEST"))
*x = LOWEST;
- else if (!parse_number (x, f))
+ else if (!parse_number (lexer, x, format))
return false;
- if (lex_match_id ("THRU"))
+ if (lex_match_id (lexer, "THRU"))
{
- if (lex_match_id ("HI") || lex_match_id ("HIGHEST"))
+ if (lex_match_id (lexer, "HI") || lex_match_id (lexer, "HIGHEST"))
*y = HIGHEST;
- else if (!parse_number (y, f))
+ else if (!parse_number (lexer, y, format))
return false;
- if (*y < *x)
+ if (*y < *x)
{
double t;
msg (SW, _("Low end of range (%g) is below high end (%g). "
@@ -47,65 +64,57 @@ parse_num_range (double *x, double *y, const struct fmt_spec *f)
*x = *y;
*y = t;
}
- else if (*x == *y)
+ else if (*x == *y)
msg (SW, _("Ends of range are equal (%g)."), *x);
return true;
}
else
{
- if (*x == LOWEST)
+ if (*x == LOWEST)
{
msg (SE, _("LO or LOWEST must be part of a range."));
return false;
}
*y = *x;
}
-
+
return true;
}
/* Parses a number and stores it in *X. Returns success.
- Numeric values are always accepted. If F is nonnull, then
- string values are also accepted, and converted to numeric
- values using the specified format. */
+ Numeric values are always accepted. If FORMAT is nonnull,
+ then string values are also accepted, and converted to numeric
+ values using *FORMAT. */
static bool
-parse_number (double *x, const struct fmt_spec *f)
+parse_number (struct lexer *lexer, double *x, const enum fmt_type *format)
{
- if (lex_is_number ())
+ if (lex_is_number (lexer))
{
- *x = lex_number ();
- lex_get ();
+ *x = lex_number (lexer);
+ lex_get (lexer);
return true;
}
- else if (token == T_STRING && f != NULL)
+ else if (lex_token (lexer) == T_STRING && format != NULL)
{
- struct data_in di;
union value v;
- di.s = ds_data (&tokstr);
- di.e = ds_end (&tokstr);
- di.v = &v;
- di.flags = 0;
- di.f1 = 1;
- di.f2 = ds_length (&tokstr);
- di.format = *f;
- data_in (&di);
- lex_get ();
+ data_in (ds_ss (lex_tokstr (lexer)), *format, 0, 0, &v, 0);
+ lex_get (lexer);
*x = v.f;
if (*x == SYSMIS)
{
- lex_error (_("System-missing value is not valid here."));
+ msg (SE, _("System-missing value is not valid here."));
return false;
}
return true;
}
- else
+ else
{
- if (f != NULL)
- lex_error (_("expecting number or data string"));
+ if (format != NULL)
+ lex_error (lexer, _("expecting number or data string"));
else
- lex_force_num ();
- return false;
+ lex_force_num (lexer);
+ return false;
}
}