#include <language/lexer/variable-parser.h>
#include <language/lexer/range-parser.h>
#include <libpspp/alloc.h>
+#include <libpspp/assertion.h>
#include <libpspp/compiler.h>
#include <libpspp/magic.h>
#include <libpspp/message.h>
size_t map_cnt; /* Number of mappings. */
};
-static bool parse_src_vars (struct recode_trns *);
-static bool parse_mappings (struct recode_trns *);
-static bool parse_dst_vars (struct recode_trns *);
+static bool parse_src_vars (struct lexer *, struct recode_trns *, const struct dictionary *dict);
+static bool parse_mappings (struct lexer *, struct recode_trns *);
+static bool parse_dst_vars (struct lexer *, struct recode_trns *, const struct dictionary *dict);
static void add_mapping (struct recode_trns *,
size_t *map_allocated, const struct map_in *);
-static bool parse_map_in (struct map_in *, struct pool *,
+static bool parse_map_in (struct lexer *lexer, struct map_in *, struct pool *,
enum var_type src_type, size_t max_src_width);
static void set_map_in_generic (struct map_in *, enum map_in_type);
static void set_map_in_num (struct map_in *, enum map_in_type, double, double);
static void set_map_in_str (struct map_in *, struct pool *,
const struct string *, size_t width);
-static bool parse_map_out (struct pool *, struct map_out *);
+static bool parse_map_out (struct lexer *lexer, struct pool *, struct map_out *);
static void set_map_out_num (struct map_out *, double);
static void set_map_out_str (struct map_out *, struct pool *,
const struct string *);
static void enlarge_dst_widths (struct recode_trns *);
-static void create_dst_vars (struct recode_trns *);
+static void create_dst_vars (struct recode_trns *, struct dictionary *);
static trns_proc_func recode_trns_proc;
static trns_free_func recode_trns_free;
/* Parses the RECODE transformation. */
int
-cmd_recode (void)
+cmd_recode (struct lexer *lexer, struct dataset *ds)
{
do
{
/* Parse source variable names,
then input to output mappings,
then destintation variable names. */
- if (!parse_src_vars (trns)
- || !parse_mappings (trns)
- || !parse_dst_vars (trns))
+ if (!parse_src_vars (lexer, trns, dataset_dict (ds) )
+ || !parse_mappings (lexer, trns)
+ || !parse_dst_vars (lexer, trns, dataset_dict (ds)))
{
recode_trns_free (trns);
return CMD_FAILURE;
This must be the final step; otherwise we'd have to
delete destination variables on failure. */
if (trns->src_vars != trns->dst_vars)
- create_dst_vars (trns);
+ create_dst_vars (trns, dataset_dict (ds));
/* Done. */
- add_transformation (recode_trns_proc, recode_trns_free, trns);
+ add_transformation (ds,
+ recode_trns_proc, recode_trns_free, trns);
}
- while (lex_match ('/'));
+ while (lex_match (lexer, '/'));
- return lex_end_of_command ();
+ return lex_end_of_command (lexer);
}
/* Parses a set of variables to recode into TRNS->src_vars and
TRNS->var_cnt. Sets TRNS->src_type. Returns true if
successful, false on parse error. */
static bool
-parse_src_vars (struct recode_trns *trns)
+parse_src_vars (struct lexer *lexer,
+ struct recode_trns *trns, const struct dictionary *dict)
{
- if (!parse_variables (default_dict, &trns->src_vars, &trns->var_cnt,
+ if (!parse_variables (lexer, dict, &trns->src_vars, &trns->var_cnt,
PV_SAME_TYPE))
return false;
pool_register (trns->pool, free, trns->src_vars);
into TRNS->mappings and TRNS->map_cnt. Sets TRNS->dst_type.
Returns true if successful, false on parse error. */
static bool
-parse_mappings (struct recode_trns *trns)
+parse_mappings (struct lexer *lexer, struct recode_trns *trns)
{
size_t max_src_width;
size_t map_allocated;
trns->map_cnt = 0;
map_allocated = 0;
have_dst_type = false;
- if (!lex_force_match ('('))
+ if (!lex_force_match (lexer, '('))
return false;
do
{
enum var_type dst_type;
- if (!lex_match_id ("CONVERT"))
+ if (!lex_match_id (lexer, "CONVERT"))
{
struct map_out out;
size_t first_map_idx;
do
{
struct map_in in;
- if (!parse_map_in (&in, trns->pool,
+ if (!parse_map_in (lexer, &in, trns->pool,
trns->src_type, max_src_width))
return false;
add_mapping (trns, &map_allocated, &in);
- lex_match (',');
+ lex_match (lexer, ',');
}
- while (!lex_match ('='));
+ while (!lex_match (lexer, '='));
- if (!parse_map_out (trns->pool, &out))
+ if (!parse_map_out (lexer, trns->pool, &out))
return false;
dst_type = out.width == 0 ? NUMERIC : ALPHA;
if (have_dst_type && dst_type != trns->dst_type)
trns->dst_type = dst_type;
have_dst_type = true;
- if (!lex_force_match (')'))
+ if (!lex_force_match (lexer, ')'))
return false;
}
- while (lex_match ('('));
+ while (lex_match (lexer, '('));
return true;
}
be provided in MAX_SRC_WIDTH. Returns true if successful,
false on parse error. */
static bool
-parse_map_in (struct map_in *in, struct pool *pool,
+parse_map_in (struct lexer *lexer, struct map_in *in, struct pool *pool,
enum var_type src_type, size_t max_src_width)
{
- if (lex_match_id ("ELSE"))
+ if (lex_match_id (lexer, "ELSE"))
set_map_in_generic (in, MAP_ELSE);
else if (src_type == NUMERIC)
{
- if (lex_match_id ("MISSING"))
+ if (lex_match_id (lexer, "MISSING"))
set_map_in_generic (in, MAP_MISSING);
- else if (lex_match_id ("SYSMIS"))
+ else if (lex_match_id (lexer, "SYSMIS"))
set_map_in_generic (in, MAP_SYSMIS);
else
{
double x, y;
- if (!parse_num_range (&x, &y, NULL))
+ if (!parse_num_range (lexer, &x, &y, NULL))
return false;
set_map_in_num (in, x == y ? MAP_SINGLE : MAP_RANGE, x, y);
}
}
else
{
- if (!lex_force_string ())
+ if (!lex_force_string (lexer))
return false;
- set_map_in_str (in, pool, &tokstr, max_src_width);
- lex_get ();
+ set_map_in_str (in, pool, lex_tokstr (lexer), max_src_width);
+ lex_get (lexer);
}
return true;
/* Parses a mapping output value into OUT, allocating memory from
POOL. Returns true if successful, false on parse error. */
static bool
-parse_map_out (struct pool *pool, struct map_out *out)
+parse_map_out (struct lexer *lexer, struct pool *pool, struct map_out *out)
{
- if (lex_is_number ())
+ if (lex_is_number (lexer))
{
- set_map_out_num (out, lex_number ());
- lex_get ();
+ set_map_out_num (out, lex_number (lexer));
+ lex_get (lexer);
}
- else if (lex_match_id ("SYSMIS"))
+ else if (lex_match_id (lexer, "SYSMIS"))
set_map_out_num (out, SYSMIS);
- else if (token == T_STRING)
+ else if (lex_token (lexer) == T_STRING)
{
- set_map_out_str (out, pool, &tokstr);
- lex_get ();
+ set_map_out_str (out, pool, lex_tokstr (lexer));
+ lex_get (lexer);
}
- else if (lex_match_id ("COPY"))
+ else if (lex_match_id (lexer, "COPY"))
out->copy_input = true;
else
{
- lex_error (_("expecting output value"));
+ lex_error (lexer, _("expecting output value"));
return false;
}
return true;
/* Parses a set of target variables into TRNS->dst_vars and
TRNS->dst_names. */
static bool
-parse_dst_vars (struct recode_trns *trns)
+parse_dst_vars (struct lexer *lexer, struct recode_trns *trns,
+ const struct dictionary *dict)
{
size_t i;
- if (lex_match_id ("INTO"))
+ if (lex_match_id (lexer, "INTO"))
{
size_t name_cnt;
size_t i;
- if (!parse_mixed_vars_pool (trns->pool, &trns->dst_names, &name_cnt,
+ if (!parse_mixed_vars_pool (lexer, dict, trns->pool,
+ &trns->dst_names, &name_cnt,
PV_NONE))
return false;
for (i = 0; i < trns->var_cnt; i++)
{
struct variable *v;
- v = trns->dst_vars[i] = dict_lookup_var (default_dict,
- trns->dst_names[i]);
+ v = trns->dst_vars[i] = dict_lookup_var (dict, trns->dst_names[i]);
if (v == NULL && trns->dst_type == ALPHA)
{
msg (SE, _("There is no variable named "
/* Creates destination variables that don't already exist. */
static void
-create_dst_vars (struct recode_trns *trns)
+create_dst_vars (struct recode_trns *trns, struct dictionary *dict)
{
size_t i;
struct variable **var = &trns->dst_vars[i];
const char *name = trns->dst_names[i];
- *var = dict_lookup_var (default_dict, name);
+ *var = dict_lookup_var (dict, name);
if (*var == NULL)
- *var = dict_create_var_assert (default_dict, name, 0);
+ *var = dict_create_var_assert (dict, name, 0);
assert ((*var)->type == trns->dst_type);
}
}
match = true;
break;
default:
- abort ();
+ NOT_REACHED ();
}
if (match)
break;
}
default:
- abort ();
+ NOT_REACHED ();
}
if (match)
/* Performs RECODE transformation. */
static int
-recode_trns_proc (void *trns_, struct ccase *c, int case_idx UNUSED)
+recode_trns_proc (void *trns_, struct ccase *c, casenumber case_idx UNUSED)
{
struct recode_trns *trns = trns_;
size_t i;
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