const struct ccase *, struct ccase *);
static void destroy_case_map (struct case_map *);
-static bool parse_dict_trim (struct dictionary *);
+static bool parse_dict_trim (struct lexer *, struct dictionary *);
\f
/* Reading system and portable files. */
/* Parses a GET or IMPORT command. */
static int
-parse_read_command (struct dataset *ds, enum reader_command type)
+parse_read_command (struct lexer *lexer, struct dataset *ds, enum reader_command type)
{
struct case_reader_pgm *pgm = NULL;
struct file_handle *fh = NULL;
for (;;)
{
- lex_match ('/');
+ lex_match (lexer, '/');
- if (lex_match_id ("FILE") || token == T_STRING)
+ if (lex_match_id (lexer, "FILE") || lex_token (lexer) == T_STRING)
{
- lex_match ('=');
+ lex_match (lexer, '=');
- fh = fh_parse (FH_REF_FILE | FH_REF_SCRATCH);
+ fh = fh_parse (lexer, FH_REF_FILE | FH_REF_SCRATCH);
if (fh == NULL)
goto error;
}
- else if (type == IMPORT_CMD && lex_match_id ("TYPE"))
+ else if (type == IMPORT_CMD && lex_match_id (lexer, "TYPE"))
{
- lex_match ('=');
+ lex_match (lexer, '=');
- if (lex_match_id ("COMM"))
+ if (lex_match_id (lexer, "COMM"))
type = PFM_COMM;
- else if (lex_match_id ("TAPE"))
+ else if (lex_match_id (lexer, "TAPE"))
type = PFM_TAPE;
else
{
- lex_error (_("expecting COMM or TAPE"));
+ lex_error (lexer, _("expecting COMM or TAPE"));
goto error;
}
}
if (fh == NULL)
{
- lex_sbc_missing ("FILE");
+ lex_sbc_missing (lexer, "FILE");
goto error;
}
start_case_map (dict);
- while (token != '.')
+ while (lex_token (lexer) != '.')
{
- lex_match ('/');
- if (!parse_dict_trim (dict))
+ lex_match (lexer, '/');
+ if (!parse_dict_trim (lexer, dict))
goto error;
}
\f
/* GET. */
int
-cmd_get (struct dataset *ds)
+cmd_get (struct lexer *lexer, struct dataset *ds)
{
- return parse_read_command (ds, GET_CMD);
+ return parse_read_command (lexer, ds, GET_CMD);
}
/* IMPORT. */
int
-cmd_import (struct dataset *ds)
+cmd_import (struct lexer *lexer, struct dataset *ds)
{
- return parse_read_command (ds, IMPORT_CMD);
+ return parse_read_command (lexer, ds, IMPORT_CMD);
}
\f
/* Writing system and portable files. */
On failure, returns a null pointer. */
static struct case_writer *
-parse_write_command (struct dataset *ds,
+parse_write_command (struct lexer *lexer, struct dataset *ds,
enum writer_type writer_type,
enum command_type command_type,
bool *retain_unselected)
start_case_map (dict);
dict_delete_scratch_vars (dict);
- lex_match ('/');
+ lex_match (lexer, '/');
for (;;)
{
- if (lex_match_id ("OUTFILE"))
+ if (lex_match_id (lexer, "OUTFILE"))
{
if (handle != NULL)
{
goto error;
}
- lex_match ('=');
+ lex_match (lexer, '=');
- handle = fh_parse (FH_REF_FILE | FH_REF_SCRATCH);
+ handle = fh_parse (lexer, FH_REF_FILE | FH_REF_SCRATCH);
if (handle == NULL)
goto error;
}
- else if (lex_match_id ("NAMES"))
+ else if (lex_match_id (lexer, "NAMES"))
print_short_names = true;
- else if (lex_match_id ("PERMISSIONS"))
+ else if (lex_match_id (lexer, "PERMISSIONS"))
{
bool cw;
- lex_match ('=');
- if (lex_match_id ("READONLY"))
+ lex_match (lexer, '=');
+ if (lex_match_id (lexer, "READONLY"))
cw = false;
- else if (lex_match_id ("WRITEABLE"))
+ else if (lex_match_id (lexer, "WRITEABLE"))
cw = true;
else
{
- lex_error (_("expecting %s or %s"), "READONLY", "WRITEABLE");
+ lex_error (lexer, _("expecting %s or %s"), "READONLY", "WRITEABLE");
goto error;
}
sysfile_opts.create_writeable = porfile_opts.create_writeable = cw;
}
- else if (command_type == PROC_CMD && lex_match_id ("UNSELECTED"))
+ else if (command_type == PROC_CMD && lex_match_id (lexer, "UNSELECTED"))
{
- lex_match ('=');
- if (lex_match_id ("RETAIN"))
+ lex_match (lexer, '=');
+ if (lex_match_id (lexer, "RETAIN"))
*retain_unselected = true;
- else if (lex_match_id ("DELETE"))
+ else if (lex_match_id (lexer, "DELETE"))
*retain_unselected = false;
else
{
- lex_error (_("expecting %s or %s"), "RETAIN", "DELETE");
+ lex_error (lexer, _("expecting %s or %s"), "RETAIN", "DELETE");
goto error;
}
}
- else if (writer_type == SYSFILE_WRITER && lex_match_id ("COMPRESSED"))
+ else if (writer_type == SYSFILE_WRITER && lex_match_id (lexer, "COMPRESSED"))
sysfile_opts.compress = true;
- else if (writer_type == SYSFILE_WRITER && lex_match_id ("UNCOMPRESSED"))
+ else if (writer_type == SYSFILE_WRITER && lex_match_id (lexer, "UNCOMPRESSED"))
sysfile_opts.compress = false;
- else if (writer_type == SYSFILE_WRITER && lex_match_id ("VERSION"))
+ else if (writer_type == SYSFILE_WRITER && lex_match_id (lexer, "VERSION"))
{
- lex_match ('=');
- if (!lex_force_int ())
+ lex_match (lexer, '=');
+ if (!lex_force_int (lexer))
goto error;
- sysfile_opts.version = lex_integer ();
- lex_get ();
+ sysfile_opts.version = lex_integer (lexer);
+ lex_get (lexer);
}
- else if (writer_type == PORFILE_WRITER && lex_match_id ("TYPE"))
+ else if (writer_type == PORFILE_WRITER && lex_match_id (lexer, "TYPE"))
{
- lex_match ('=');
- if (lex_match_id ("COMMUNICATIONS"))
+ lex_match (lexer, '=');
+ if (lex_match_id (lexer, "COMMUNICATIONS"))
porfile_opts.type = PFM_COMM;
- else if (lex_match_id ("TAPE"))
+ else if (lex_match_id (lexer, "TAPE"))
porfile_opts.type = PFM_TAPE;
else
{
- lex_error (_("expecting %s or %s"), "COMM", "TAPE");
+ lex_error (lexer, _("expecting %s or %s"), "COMM", "TAPE");
goto error;
}
}
- else if (writer_type == PORFILE_WRITER && lex_match_id ("DIGITS"))
+ else if (writer_type == PORFILE_WRITER && lex_match_id (lexer, "DIGITS"))
{
- lex_match ('=');
- if (!lex_force_int ())
+ lex_match (lexer, '=');
+ if (!lex_force_int (lexer))
goto error;
- porfile_opts.digits = lex_integer ();
- lex_get ();
+ porfile_opts.digits = lex_integer (lexer);
+ lex_get (lexer);
}
- else if (!parse_dict_trim (dict))
+ else if (!parse_dict_trim (lexer, dict))
goto error;
- if (!lex_match ('/'))
+ if (!lex_match (lexer, '/'))
break;
}
- if (lex_end_of_command () != CMD_SUCCESS)
+ if (lex_end_of_command (lexer) != CMD_SUCCESS)
goto error;
if (handle == NULL)
{
- lex_sbc_missing ("OUTFILE");
+ lex_sbc_missing (lexer, "OUTFILE");
goto error;
}
/* Parses and performs the SAVE or EXPORT procedure. */
static int
-parse_output_proc (struct dataset *ds, enum writer_type writer_type)
+parse_output_proc (struct lexer *lexer, struct dataset *ds, enum writer_type writer_type)
{
bool retain_unselected;
struct variable *saved_filter_variable;
struct case_writer *aw;
bool ok;
- aw = parse_write_command (ds, writer_type, PROC_CMD, &retain_unselected);
+ aw = parse_write_command (lexer, ds, writer_type, PROC_CMD, &retain_unselected);
if (aw == NULL)
return CMD_CASCADING_FAILURE;
}
int
-cmd_save (struct dataset *ds)
+cmd_save (struct lexer *lexer, struct dataset *ds)
{
- return parse_output_proc (ds, SYSFILE_WRITER);
+ return parse_output_proc (lexer, ds, SYSFILE_WRITER);
}
int
-cmd_export (struct dataset *ds)
+cmd_export (struct lexer *lexer, struct dataset *ds)
{
- return parse_output_proc (ds, PORFILE_WRITER);
+ return parse_output_proc (lexer, ds, PORFILE_WRITER);
}
\f
/* XSAVE and XEXPORT. */
/* Parses the XSAVE or XEXPORT transformation command. */
static int
-parse_output_trns (struct dataset *ds, enum writer_type writer_type)
+parse_output_trns (struct lexer *lexer, struct dataset *ds, enum writer_type writer_type)
{
struct output_trns *t = xmalloc (sizeof *t);
- t->aw = parse_write_command (ds, writer_type, XFORM_CMD, NULL);
+ t->aw = parse_write_command (lexer, ds, writer_type, XFORM_CMD, NULL);
if (t->aw == NULL)
{
free (t);
/* XSAVE command. */
int
-cmd_xsave (struct dataset *ds)
+cmd_xsave (struct lexer *lexer, struct dataset *ds)
{
- return parse_output_trns (ds, SYSFILE_WRITER);
+ return parse_output_trns (lexer, ds, SYSFILE_WRITER);
}
/* XEXPORT command. */
int
-cmd_xexport (struct dataset *ds)
+cmd_xexport (struct lexer *lexer, struct dataset *ds)
{
- return parse_output_trns (ds, PORFILE_WRITER);
+ return parse_output_trns (lexer, ds, PORFILE_WRITER);
}
\f
-static bool rename_variables (struct dictionary *dict);
-static bool drop_variables (struct dictionary *dict);
-static bool keep_variables (struct dictionary *dict);
+static bool rename_variables (struct lexer *lexer, struct dictionary *dict);
+static bool drop_variables (struct lexer *, struct dictionary *dict);
+static bool keep_variables (struct lexer *, struct dictionary *dict);
/* Commands that read and write system files share a great deal
of common syntactic structure for rearranging and dropping
variables. This function parses this syntax and modifies DICT
appropriately. Returns true on success, false on failure. */
static bool
-parse_dict_trim (struct dictionary *dict)
+parse_dict_trim (struct lexer *lexer, struct dictionary *dict)
{
- if (lex_match_id ("MAP"))
+ if (lex_match_id (lexer, "MAP"))
{
/* FIXME. */
return true;
}
- else if (lex_match_id ("DROP"))
- return drop_variables (dict);
- else if (lex_match_id ("KEEP"))
- return keep_variables (dict);
- else if (lex_match_id ("RENAME"))
- return rename_variables (dict);
+ else if (lex_match_id (lexer, "DROP"))
+ return drop_variables (lexer, dict);
+ else if (lex_match_id (lexer, "KEEP"))
+ return keep_variables (lexer, dict);
+ else if (lex_match_id (lexer, "RENAME"))
+ return rename_variables (lexer, dict);
else
{
- lex_error (_("expecting a valid subcommand"));
+ lex_error (lexer, _("expecting a valid subcommand"));
return false;
}
}
/* Parses and performs the RENAME subcommand of GET and SAVE. */
static bool
-rename_variables (struct dictionary *dict)
+rename_variables (struct lexer *lexer, struct dictionary *dict)
{
size_t i;
int group;
- lex_match ('=');
- if (token != '(')
+ lex_match (lexer, '=');
+ if (lex_token (lexer) != '(')
{
struct variable *v;
- v = parse_variable (dict);
+ v = parse_variable (lexer, dict);
if (v == NULL)
return 0;
- if (!lex_force_match ('=')
- || !lex_force_id ())
+ if (!lex_force_match (lexer, '=')
+ || !lex_force_id (lexer))
return 0;
- if (dict_lookup_var (dict, tokid) != NULL)
+ if (dict_lookup_var (dict, lex_tokid (lexer)) != NULL)
{
msg (SE, _("Cannot rename %s as %s because there already exists "
"a variable named %s. To rename variables with "
"overlapping names, use a single RENAME subcommand "
"such as \"/RENAME (A=B)(B=C)(C=A)\", or equivalently, "
- "\"/RENAME (A B C=B C A)\"."), v->name, tokid, tokid);
+ "\"/RENAME (A B C=B C A)\"."), v->name, lex_tokid (lexer), lex_tokid (lexer));
return 0;
}
- dict_rename_var (dict, v, tokid);
- lex_get ();
+ dict_rename_var (dict, v, lex_tokid (lexer));
+ lex_get (lexer);
return 1;
}
v = NULL;
new_names = 0;
group = 1;
- while (lex_match ('('))
+ while (lex_match (lexer, '('))
{
size_t old_nv = nv;
- if (!parse_variables (dict, &v, &nv, PV_NO_DUPLICATE | PV_APPEND))
+ if (!parse_variables (lexer, dict, &v, &nv, PV_NO_DUPLICATE | PV_APPEND))
goto done;
- if (!lex_match ('='))
+ if (!lex_match (lexer, '='))
{
msg (SE, _("`=' expected after variable list."));
goto done;
}
- if (!parse_DATA_LIST_vars (&new_names, &nn, PV_APPEND | PV_NO_SCRATCH))
+ if (!parse_DATA_LIST_vars (lexer, &new_names, &nn, PV_APPEND | PV_NO_SCRATCH))
goto done;
if (nn != nv)
{
(unsigned) (nv - old_nv), (unsigned) (nn - old_nv), group);
goto done;
}
- if (!lex_force_match (')'))
+ if (!lex_force_match (lexer, ')'))
goto done;
group++;
}
/* Parses and performs the DROP subcommand of GET and SAVE.
Returns true if successful, false on failure.*/
static bool
-drop_variables (struct dictionary *dict)
+drop_variables (struct lexer *lexer, struct dictionary *dict)
{
struct variable **v;
size_t nv;
- lex_match ('=');
- if (!parse_variables (dict, &v, &nv, PV_NONE))
+ lex_match (lexer, '=');
+ if (!parse_variables (lexer, dict, &v, &nv, PV_NONE))
return false;
dict_delete_vars (dict, v, nv);
free (v);
/* Parses and performs the KEEP subcommand of GET and SAVE.
Returns true if successful, false on failure.*/
static bool
-keep_variables (struct dictionary *dict)
+keep_variables (struct lexer *lexer, struct dictionary *dict)
{
struct variable **v;
size_t nv;
size_t i;
- lex_match ('=');
- if (!parse_variables (dict, &v, &nv, PV_NONE))
+ lex_match (lexer, '=');
+ if (!parse_variables (lexer, dict, &v, &nv, PV_NONE))
return false;
/* Move the specified variables to the beginning. */
/* Parse and execute the MATCH FILES command. */
int
-cmd_match_files (struct dataset *ds)
+cmd_match_files (struct lexer *lexer, struct dataset *ds)
{
struct mtf_proc mtf;
struct mtf_file *first_table = NULL;
mtf.seq_nums = NULL;
dict_set_case_limit (mtf.dict, dict_get_case_limit (dataset_dict (ds)));
- lex_match ('/');
- while (token == T_ID
- && (lex_id_match ("FILE", tokid) || lex_id_match ("TABLE", tokid)))
+ lex_match (lexer, '/');
+ while (lex_token (lexer) == T_ID
+ && (lex_id_match ("FILE", lex_tokid (lexer)) || lex_id_match ("TABLE", lex_tokid (lexer))))
{
struct mtf_file *file = xmalloc (sizeof *file);
- if (lex_match_id ("FILE"))
+ if (lex_match_id (lexer, "FILE"))
file->type = MTF_FILE;
- else if (lex_match_id ("TABLE"))
+ else if (lex_match_id (lexer, "TABLE"))
{
file->type = MTF_TABLE;
saw_table = true;
}
else
NOT_REACHED ();
- lex_match ('=');
+ lex_match (lexer, '=');
file->by = NULL;
file->handle = NULL;
first_table->prev = file;
}
- if (lex_match ('*'))
+ if (lex_match (lexer, '*'))
{
file->handle = NULL;
file->reader = NULL;
}
else
{
- file->handle = fh_parse (FH_REF_FILE | FH_REF_SCRATCH);
+ file->handle = fh_parse (lexer, FH_REF_FILE | FH_REF_SCRATCH);
if (file->handle == NULL)
goto error;
case_create (&file->input, dict_get_next_value_idx (file->dict));
}
- while (lex_match ('/'))
- if (lex_match_id ("RENAME"))
+ while (lex_match (lexer, '/'))
+ if (lex_match_id (lexer, "RENAME"))
{
- if (!rename_variables (file->dict))
+ if (!rename_variables (lexer, file->dict))
goto error;
}
- else if (lex_match_id ("IN"))
+ else if (lex_match_id (lexer, "IN"))
{
- lex_match ('=');
- if (token != T_ID)
+ lex_match (lexer, '=');
+ if (lex_token (lexer) != T_ID)
{
- lex_error (NULL);
+ lex_error (lexer, NULL);
goto error;
}
"TABLE."));
goto error;
}
- file->in_name = xstrdup (tokid);
- lex_get ();
+ file->in_name = xstrdup (lex_tokid (lexer));
+ lex_get (lexer);
saw_in = true;
}
mtf_merge_dictionary (mtf.dict, file);
}
- while (token != '.')
+ while (lex_token (lexer) != '.')
{
- if (lex_match (T_BY))
+ if (lex_match (lexer, T_BY))
{
struct variable **by;
goto error;
}
- lex_match ('=');
- if (!parse_variables (mtf.dict, &by, &mtf.by_cnt,
+ lex_match (lexer, '=');
+ if (!parse_variables (lexer, mtf.dict, &by, &mtf.by_cnt,
PV_NO_DUPLICATE | PV_NO_SCRATCH))
goto error;
}
free (by);
}
- else if (lex_match_id ("FIRST"))
+ else if (lex_match_id (lexer, "FIRST"))
{
if (mtf.first[0] != '\0')
{
goto error;
}
- lex_match ('=');
- if (!lex_force_id ())
+ lex_match (lexer, '=');
+ if (!lex_force_id (lexer))
goto error;
- strcpy (mtf.first, tokid);
- lex_get ();
+ strcpy (mtf.first, lex_tokid (lexer));
+ lex_get (lexer);
}
- else if (lex_match_id ("LAST"))
+ else if (lex_match_id (lexer, "LAST"))
{
if (mtf.last[0] != '\0')
{
goto error;
}
- lex_match ('=');
- if (!lex_force_id ())
+ lex_match (lexer, '=');
+ if (!lex_force_id (lexer))
goto error;
- strcpy (mtf.last, tokid);
- lex_get ();
+ strcpy (mtf.last, lex_tokid (lexer));
+ lex_get (lexer);
}
- else if (lex_match_id ("MAP"))
+ else if (lex_match_id (lexer, "MAP"))
{
/* FIXME. */
}
- else if (lex_match_id ("DROP"))
+ else if (lex_match_id (lexer, "DROP"))
{
- if (!drop_variables (mtf.dict))
+ if (!drop_variables (lexer, mtf.dict))
goto error;
}
- else if (lex_match_id ("KEEP"))
+ else if (lex_match_id (lexer, "KEEP"))
{
- if (!keep_variables (mtf.dict))
+ if (!keep_variables (lexer, mtf.dict))
goto error;
}
else
{
- lex_error (NULL);
+ lex_error (lexer, NULL);
goto error;
}
- if (!lex_match ('/') && token != '.')
+ if (!lex_match (lexer, '/') && lex_token (lexer) != '.')
{
- lex_end_of_command ();
+ lex_end_of_command (lexer);
goto error;
}
}
projects / pspp-builds.git / blobdiff