/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2006, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 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 <limits.h>
#include <stdlib.h>
-#include "helpers.h"
-#include <data/case.h>
-#include <data/dictionary.h>
-#include <data/settings.h>
-#include <data/variable.h>
-#include <language/lexer/format-parser.h>
-#include <language/lexer/lexer.h>
-#include <language/lexer/variable-parser.h>
-#include <libpspp/array.h>
-#include <libpspp/assertion.h>
-#include <libpspp/message.h>
-#include <libpspp/misc.h>
-#include <libpspp/pool.h>
-#include <libpspp/str.h>
-
-#include "xalloc.h"
+#include "data/case.h"
+#include "data/dictionary.h"
+#include "data/settings.h"
+#include "data/variable.h"
+#include "language/expressions/helpers.h"
+#include "language/lexer/format-parser.h"
+#include "language/lexer/lexer.h"
+#include "language/lexer/variable-parser.h"
+#include "libpspp/array.h"
+#include "libpspp/assertion.h"
+#include "libpspp/i18n.h"
+#include "libpspp/message.h"
+#include "libpspp/misc.h"
+#include "libpspp/pool.h"
+#include "libpspp/str.h"
+
+#include "gl/xalloc.h"
\f
/* Declarations. */
time_t last_proc_time = time_of_last_procedure (e->ds);
struct tm *time;
char temp_buf[10];
+ struct substring s;
time = localtime (&last_proc_time);
sprintf (temp_buf, "%02d %s %02d", abs (time->tm_mday) % 100,
months[abs (time->tm_mon) % 12], abs (time->tm_year) % 100);
- return expr_allocate_string_buffer (e, temp_buf, strlen (temp_buf));
+ ss_alloc_substring (&s, ss_cstr (temp_buf));
+ return expr_allocate_string (e, s);
}
else if (lex_match_id (lexer, "$TRUE"))
return expr_allocate_boolean (e, 1.0);
return expr_allocate_number (e, settings_get_viewwidth ());
else
{
- msg (SE, _("Unknown system variable %s."), lex_tokid (lexer));
+ msg (SE, _("Unknown system variable %s."), lex_tokcstr (lexer));
return NULL;
}
}
switch (lex_token (lexer))
{
case T_ID:
- if (lex_look_ahead (lexer) == T_LPAREN)
+ if (lex_next_token (lexer, 1) == T_LPAREN)
{
/* An identifier followed by a left parenthesis may be
a vector element reference. If not, it's a function
call. */
- if (e->ds != NULL && dict_lookup_vector (dataset_dict (e->ds), lex_tokid (lexer)) != NULL)
+ if (e->ds != NULL && dict_lookup_vector (dataset_dict (e->ds), lex_tokcstr (lexer)) != NULL)
return parse_vector_element (lexer, e);
else
return parse_function (lexer, e);
}
- else if (lex_tokid (lexer)[0] == '$')
+ else if (lex_tokcstr (lexer)[0] == '$')
{
/* $ at the beginning indicates a system variable. */
return parse_sysvar (lexer, e);
}
- else if (e->ds != NULL && dict_lookup_var (dataset_dict (e->ds), lex_tokid (lexer)))
+ else if (e->ds != NULL && dict_lookup_var (dataset_dict (e->ds), lex_tokcstr (lexer)))
{
/* It looks like a user variable.
(It could be a format specifier, but we'll assume
return expr_allocate_format (e, &fmt);
/* All attempts failed. */
- msg (SE, _("Unknown identifier %s."), lex_tokid (lexer));
+ msg (SE, _("Unknown identifier %s."), lex_tokcstr (lexer));
return NULL;
}
break;
case T_STRING:
{
- union any_node *node = expr_allocate_string_buffer (
- e, ds_cstr (lex_tokstr (lexer) ), ds_length (lex_tokstr (lexer) ));
+ const char *dict_encoding;
+ union any_node *node;
+ char *s;
+
+ dict_encoding = (e->ds != NULL
+ ? dict_get_encoding (dataset_dict (e->ds))
+ : "UTF-8");
+ s = recode_string_pool (dict_encoding, "UTF-8", lex_tokcstr (lexer),
+ ss_length (lex_tokss (lexer)), e->expr_pool);
+ node = expr_allocate_string (e, ss_cstr (s));
+
lex_get (lexer);
return node;
}
/* Find vector, skip token.
The caller must already have verified that the current token
is the name of a vector. */
- vector = dict_lookup_vector (dataset_dict (e->ds), lex_tokid (lexer));
+ vector = dict_lookup_vector (dataset_dict (e->ds), lex_tokcstr (lexer));
assert (vector != NULL);
lex_get (lexer);
}
static int
-extract_min_valid (char *s)
+extract_min_valid (const char *s)
{
char *p = strrchr (s, '.');
if (p == NULL
union any_node *n;
- ds_init_string (&func_name, lex_tokstr (lexer));
- min_valid = extract_min_valid (ds_cstr (lex_tokstr (lexer)));
- if (!lookup_function (ds_cstr (lex_tokstr (lexer)), &first, &last))
+ ds_init_substring (&func_name, lex_tokss (lexer));
+ min_valid = extract_min_valid (lex_tokcstr (lexer));
+ if (!lookup_function (lex_tokcstr (lexer), &first, &last))
{
- msg (SE, _("No function or vector named %s."), ds_cstr (lex_tokstr (lexer)));
+ msg (SE, _("No function or vector named %s."), lex_tokcstr (lexer));
ds_destroy (&func_name);
return NULL;
}
for (;;)
{
if (lex_token (lexer) == T_ID
- && toupper (lex_look_ahead (lexer)) == T_ID)
+ && lex_next_token (lexer, 1) == T_TO)
{
const struct variable **vars;
size_t var_cnt;
break;
else if (!lex_match (lexer, T_COMMA))
{
- lex_error (lexer, _("expecting `,' or `)' invoking %s function"),
- first->name);
+ lex_error_expecting (lexer, "`,'", "`)'", NULL_SENTINEL);
goto fail;
}
}
return n;
}
-union any_node *
-expr_allocate_string_buffer (struct expression *e,
- const char *string, size_t length)
-{
- union any_node *n = pool_alloc (e->expr_pool, sizeof n->string);
- n->type = OP_string;
- if (length > MAX_STRING)
- length = MAX_STRING;
- n->string.s = copy_string (e, string, length);
- return n;
-}
-
union any_node *
expr_allocate_string (struct expression *e, struct substring s)
{