static SCM
scm_from_byte_string (const char *buf, size_t len)
{
SCM str = scm_from_locale_stringn (buf, len);
return string_to_object (str);
}
void
dialogue_command_rep::apply () {
int i;
object cmd = null_object ();
object learn= null_object ();
for (i=nr_args-1; i>=0; i--) {
string s_arg;
sv->dialogue_inquire (i, s_arg);
if (s_arg == "#f") {
exec_delayed (scheme_cmd ("(dialogue-end)"));
return;
}
object arg= string_to_object (s_arg);
cmd= cons (arg, cmd);
if (!is_empty (p) && get_type (p, i) == "password")
learn= cons (cons (object (as_string (i)), object ("")), learn);
else
learn= cons (cons (object (as_string (i)), arg), learn);
//call ("learn-interactive-arg", fun, object (i), arg);
}
call ("learn-interactive", fun, learn);
cmd= cons (fun, cmd);
exec_delayed (scheme_cmd ("(dialogue-end)"));
exec_delayed (scheme_cmd (cmd));
}
void
interactive_command_rep::apply () {
if ((i>0) && (s[i-1] == "#f")) return;
if (i == N(p)) {
object learn= null_object ();
array<object> params (N(p));
for (i=N(p)-1; i>=0; i--) {
params[i]= string_to_object (s[i]);
if (get_type (p, i) == "password")
learn= cons (cons (object (as_string (i)), object ("")), learn);
else
learn= cons (cons (object (as_string (i)), params[i]), learn);
}
call ("learn-interactive", fun, learn);
string ret= object_to_string (call (fun, params));
if (ret != "" && ret != "<unspecified>" && ret != "#<unspecified>")
sv->set_message (verbatim (ret), "interactive command");
}
else {
s[i]= string ("");
string prompt= get_prompt (p, i);
string type = get_type (p, i);
array<string> proposals= get_proposals (p, i);
win->interactive (prompt, type, proposals, s[i], this);
i++;
}
}
tree
rewrite_impl (tree t) {
switch (L(t)) {
case EXTERN:
{
int i, n= N(t);
tree r (TUPLE, n);
for (i=0; i<n; i++)
r[i]= evaluate (t[i]);
object expr= null_object ();
for (i=n-1; i>0; i--)
expr= cons (object (r[i]), expr);
string fun= evaluate_string (t[0]);
expr= cons (string_to_object (fun), expr);
bool secure= as_bool (std_env ["secure"]);
if (!secure && script_status < 2) {
if (!as_bool (call ("secure?", expr)))
return tree (ERROR, "insecure script");
}
environment old_env= reenter_rewrite_env;
reenter_rewrite_env= std_env;
object o= eval (expr);
reenter_rewrite_env= old_env;
return content_to_tree (o);
}
#ifdef CLASSICAL_MACRO_EXPANSION
case MAP_ARGS:
{
if (!(is_atomic (t[0]) && is_atomic (t[1]) && is_atomic (t[2])))
return evaluate_error ("invalid map-args");
if (macro_top_level (std_env))
return evaluate_error ("undefined", t[2]);
basic_environment local= macro_arguments (std_env);
int key= make_tree_label (t[2]->label);
if (!local->contains (key))
return evaluate_error ("undefined", t[2]);
tree v= local [key];
if (is_atomic (v))
return evaluate_error ("invalid-map-args");
macro_up (std_env);
int start= 0, end= N(v);
if (N(t)>=4) start= as_int (evaluate (t[3]));
if (N(t)>=5) end = as_int (evaluate (t[4]));
int i, n= max (0, end-start);
tree r (make_tree_label (t[1]->label), n);
for (i=0; i<n; i++)
r[i]= tree (make_tree_label (t[0]->label),
tree (ARG, copy (t[2]), as_string (start+i)),
as_string (start+i));
macro_redown (std_env, local);
return r;
}
#endif // CLASSICAL_MACRO_EXPANSION
case VAR_INCLUDE:
{
url base_file_name (as_string (std_env ["base-file-name"]));
url file_name= url_system (evaluate_string (t[0]));
return load_inclusion (relative (base_file_name, file_name));
}
case REWRITE_INACTIVE:
{
#ifdef CLASSICAL_MACRO_EXPANSION
if ((!is_func (t[0], ARG)) || is_compound (t[0][0]))
return evaluate_error ("invalid rewrite-inactive");
if (macro_top_level (std_env))
return evaluate_error ("undefined", t[0][0]);
basic_environment local= macro_arguments (std_env);
int key= make_tree_label (t[0][0]->label);
if (!local->contains (key))
return evaluate_error ("undefined", t[0][0]);
tree val= local [key];
int i, n= N(t[0]);
for (i=1; i<n; i++) {
int j= as_int (t[0][i]);
if ((j>=0) && (j<N(val))) val= val[j];
else return evaluate_error ("invalid rewrite-inactive");
}
#else
tree val= t[0];
#endif
int inactive_mode= INACTIVE_INLINE_RECURSE;
if (t[1] == "recurse") inactive_mode= INACTIVE_INLINE_RECURSE;
else if (t[1] == "recurse*") inactive_mode= INACTIVE_BLOCK_RECURSE;
else if (t[1] == "once") inactive_mode= INACTIVE_INLINE_ONCE;
else if (t[1] == "once*") inactive_mode= INACTIVE_BLOCK_ONCE;
else if (t[1] == "error") inactive_mode= INACTIVE_INLINE_ERROR;
else if (t[1] == "error*") inactive_mode= INACTIVE_BLOCK_ERROR;
return rewrite_inactive (val, inactive_mode);
}
default:
return t;
}
}