-/* Returns true if NAME is an acceptable name for a variable,
- false otherwise. If ISSUE_ERROR is true, issues an
- explanatory error message on failure. */
-bool
-var_is_valid_name (const char *name, bool issue_error)
-{
- bool plausible;
- size_t length, i;
-
- /* Note that strlen returns number of BYTES, not the number of
- CHARACTERS */
- length = strlen (name);
-
- plausible = var_is_plausible_name(name, issue_error);
-
- if ( ! plausible )
- return false;
-
-
- if (!lex_is_id1 (name[0]))
- {
- if (issue_error)
- msg (SE, _("Character `%c' (in %s) may not appear "
- "as the first character in a variable name."),
- name[0], name);
- return false;
- }
-
-
- for (i = 0; i < length; i++)
- {
- if (!lex_is_idn (name[i]))
- {
- if (issue_error)
- msg (SE, _("Character `%c' (in %s) may not appear in "
- "a variable name."),
- name[i], name);
- return false;
- }
- }
-
- return true;
-}
-
-/* Returns true if NAME is an plausible name for a variable,
- false otherwise. If ISSUE_ERROR is true, issues an
- explanatory error message on failure.
- This function makes no use of LC_CTYPE.
-*/
-bool
-var_is_plausible_name (const char *name, bool issue_error)
-{
- size_t length;
-
- /* Note that strlen returns number of BYTES, not the number of
- CHARACTERS */
- length = strlen (name);
- if (length < 1)
- {
- if (issue_error)
- msg (SE, _("Variable name cannot be empty string."));
- return false;
- }
- else if (length > VAR_NAME_LEN)
- {
- if (issue_error)
- msg (SE, _("Variable name %s exceeds %d-character limit."),
- name, (int) VAR_NAME_LEN);
- return false;
- }
-
- if (lex_id_to_token (ss_cstr (name)) != T_ID)
- {
- if (issue_error)
- msg (SE, _("`%s' may not be used as a variable name because it "
- "is a reserved word."), name);
- return false;
- }
-
- return true;
-}
-