X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fvars-atr.c;h=d1bbd610805f4067537ed0d7fb634e7b40135086;hb=3a7fba81ceae5b049d0f7d671e9e3c3c43bbf703;hp=2a723d96dffed427d90641800eadadeac483179c;hpb=b9dcb1c23a48b9db5444b9f10aac0748b83898ad;p=pspp-builds.git diff --git a/src/vars-atr.c b/src/vars-atr.c index 2a723d96..d1bbd610 100644 --- a/src/vars-atr.c +++ b/src/vars-atr.c @@ -18,6 +18,7 @@ 02111-1307, USA. */ #include +#include "var.h" #include #include #include "alloc.h" @@ -27,45 +28,21 @@ #include "expr.h" #include "file-handle.h" #include "hash.h" -#include "inpt-pgm.h" #include "misc.h" #include "str.h" -#include "var.h" -#include "vector.h" #include "value-labels.h" #include "vfm.h" #include "debug-print.h" -/* Clear the default dictionary. Note: This is probably not what you - want to do. Use discard_variables() instead. */ -void -clear_default_dict (void) -{ - int i; - - for (i = 0; i < default_dict.nvar; i++) - { - clear_variable (&default_dict, default_dict.var[i]); - free (default_dict.var[i]); - } - - assert (default_dict.splits == NULL); - - default_dict.nvar = 0; - default_dict.N = 0; - default_dict.nval = 0; - default_handle = inline_file; - stop_weighting (&default_dict); -} - /* Discards all the current state in preparation for a data-input command like DATA LIST or GET. */ void discard_variables (void) { - clear_default_dict (); - + dict_clear (default_dict); + default_handle = inline_file; + n_lag = 0; if (vfm_source) @@ -78,10 +55,6 @@ discard_variables (void) ctl_stack = NULL; - free (vec); - vec = NULL; - nvec = 0; - expr_free (process_if_expr); process_if_expr = NULL; @@ -90,269 +63,6 @@ discard_variables (void) pgm_state = STATE_INIT; } -/* Find and return the variable in default_dict having name NAME, or - NULL if no such variable exists in default_dict. */ -struct variable * -find_variable (const char *name) -{ - return hsh_find (default_dict.name_tab, name); -} - -/* Find and return the variable in dictionary D having name NAME, or - NULL if no such variable exists in D. */ -struct variable * -find_dict_variable (const struct dictionary *d, const char *name) -{ - return hsh_find (d->name_tab, name); -} - -/* Creates a variable named NAME in dictionary DICT having type TYPE - (ALPHA or NUMERIC) and, if type==ALPHA, width WIDTH. Returns a - pointer to the newly created variable if successful. On failure - (which indicates that a variable having the specified name already - exists), returns NULL. */ -struct variable * -create_variable (struct dictionary *dict, const char *name, - int type, int width) -{ - if (find_dict_variable (dict, name)) - return NULL; - - { - struct variable *new_var; - - dict->var = xrealloc (dict->var, (dict->nvar + 1) * sizeof *dict->var); - new_var = dict->var[dict->nvar] = xmalloc (sizeof *new_var); - - new_var->index = dict->nvar; - dict->nvar++; - - init_variable (dict, new_var, name, type, width); - - return new_var; - } -} - -#if GLOBAL_DEBUGGING -/* For situations in which we know that there are no variables with an - identical name in the dictionary. */ -struct variable * -force_create_variable (struct dictionary *dict, const char *name, - int type, int width) -{ - struct variable *new_var = create_variable (dict, name, type, width); - assert (new_var != NULL); - return new_var; -} - -/* For situations in which we know that there are no variables with an - identical name in the dictionary. */ -struct variable * -force_dup_variable (struct dictionary *dict, const struct variable *src, - const char *name) -{ - struct variable *new_var = dup_variable (dict, src, name); - assert (new_var != NULL); - return new_var; -} -#endif - -/* Delete variable V from DICT. It should only be used when there are - guaranteed to be absolutely NO REFERENCES to it, for instance in - the very same function that created it. */ -void -delete_variable (struct dictionary *dict, struct variable *v) -{ - int i; - - clear_variable (dict, v); - dict->nvar--; - for (i = v->index; i < dict->nvar; i++) - { - dict->var[i] = dict->var[i + 1]; - dict->var[i]->index = i; - } - free (v); -} - -/* Initialize fields in variable V inside dictionary D with name NAME, - type TYPE, and width WIDTH. Initializes some other fields too. */ -static inline void -common_init_stuff (struct dictionary *dict, struct variable *v, - const char *name, int type, int width) -{ - if (v->name != name) - /* Avoid problems with overlap. */ - strcpy (v->name, name); - - hsh_force_insert (dict->name_tab, v); - - v->type = type; - v->left = name[0] == '#'; - v->width = type == NUMERIC ? 0 : width; - v->miss_type = MISSING_NONE; - if (v->type == NUMERIC) - { - v->print.type = FMT_F; - v->print.w = 8; - v->print.d = 2; - } - else - { - v->print.type = FMT_A; - v->print.w = v->width; - v->print.d = 0; - } - v->write = v->print; -} - -/* Initialize (for the first time) a variable V in dictionary DICT - with name NAME, type TYPE, and width WIDTH. */ -void -init_variable (struct dictionary *dict, struct variable *v, const char *name, - int type, int width) -{ - common_init_stuff (dict, v, name, type, width); - v->nv = type == NUMERIC ? 1 : DIV_RND_UP (width, 8); - v->fv = dict->nval; - dict->nval += v->nv; - v->label = NULL; - v->val_labs = val_labs_create (width); - v->get.fv = -1; - - if (vfm_source == &input_program_source - || vfm_source == &file_type_source) - { - size_t nbytes = DIV_RND_UP (v->fv + 1, 4); - unsigned val = 0; - - if (inp_init_size < nbytes) - { - inp_init = xrealloc (inp_init, nbytes); - memset (&inp_init[inp_init_size], 0, nbytes - inp_init_size); - inp_init_size = nbytes; - } - - if (v->type == ALPHA) - val |= INP_STRING; - if (v->left) - val |= INP_LEFT; - inp_init[v->fv / 4] |= val << ((unsigned) (v->fv) % 4 * 2); - } -} - -/* Replace variable V in default_dict with a different variable having - name NAME, type TYPE, and width WIDTH. */ -void -replace_variable (struct variable *v, const char *name, int type, int width) -{ - int nv; - - assert (v && name && (type == NUMERIC || type == ALPHA) && width >= 0 - && (type == ALPHA || width == 0)); - clear_variable (&default_dict, v); - common_init_stuff (&default_dict, v, name, type, width); - - nv = (type == NUMERIC) ? 1 : DIV_RND_UP (width, 8); - if (nv > v->nv) - { - v->fv = v->nv = 0; - v->fv = default_dict.nval; - default_dict.nval += nv; - } - v->nv = nv; -} - -/* Changes the name of variable V in dictionary DICT to name NEW_NAME. - NEW_NAME must be known not to already exist in dictionary DICT. */ -void -rename_variable (struct dictionary * dict, struct variable *v, - const char *new_name) -{ - assert (dict && dict->name_tab && v && new_name); - hsh_delete (dict->name_tab, v); - strncpy (v->name, new_name, 9); - hsh_force_insert (dict->name_tab, v); -} - -/* Delete the contents of variable V within dictionary DICT. Does not - remove the variable from the vector of variables in the dictionary. - Use with caution. */ -void -clear_variable (struct dictionary *dict, struct variable *v) -{ - assert (dict != NULL); - assert (v != NULL); - - if (dict->name_tab != NULL) - hsh_force_delete (dict->name_tab, v); - - val_labs_clear (v->val_labs); - - if (v->label) - { - free (v->label); - v->label = NULL; - } - - if (dict->splits) - { - struct variable **iter, **trailer; - - for (trailer = iter = dict->splits; *iter; iter++) - if (*iter != v) - *trailer++ = *iter; - else - dict->n_splits--; - - *trailer = NULL; - - if (dict->n_splits == 0) - { - free (dict->splits); - dict->splits = NULL; - } - } -} - -/* Creates a new variable in dictionary DICT, whose properties are - copied from variable SRC, and returns a pointer to the new variable - of name NAME, if successful. If unsuccessful (which only happens - if a variable of the same name NAME exists in DICT), returns - NULL. */ -struct variable * -dup_variable (struct dictionary *dict, const struct variable *src, - const char *name) -{ - if (find_dict_variable (dict, name)) - return NULL; - - { - struct variable *new_var; - - dict->var = xrealloc (dict->var, (dict->nvar + 1) * sizeof *dict->var); - new_var = dict->var[dict->nvar] = xmalloc (sizeof *new_var); - - new_var->index = dict->nvar; - new_var->foo = -1; - new_var->get.fv = -1; - new_var->get.nv = -1; - dict->nvar++; - - copy_variable (new_var, src); - - assert (new_var->nv >= 0); - new_var->fv = dict->nval; - dict->nval += new_var->nv; - - strcpy (new_var->name, name); - hsh_force_insert (dict->name_tab, new_var); - - return new_var; - } -} - - /* Return nonzero only if X is a user-missing value for numeric variable V. */ inline int