public node lists_setIndex(ListsSetIndexBlock block)
{
// Set element at index.
var list = valueToCode(block, "LIST");
if (list == null)
{
list = new array_node(this, new JsArray <node>());
}
var mode = block.getFieldValue("MODE");
if (String.IsNullOrEmpty(mode))
{
mode = "GET";
}
var where = block.getFieldValue("WHERE");
if (String.IsNullOrEmpty(where))
{
where = "FROM_START";
}
var at = valueToCode(block, "AT");
if (at == null)
{
at = new int_node(this, 1);
}
var value = valueToCode(block, "TO");
if (value == null)
{
value = new nil_node(this);
}
if (where == "FIRST")
{
if (mode == "SET")
{
return(new asgn_node(this, new call_node(this, list, intern("[]"), new JsArray <node>()
{
new int_node(this, 0)
}, null), value));
}
else if (mode == "INSERT")
{
return(new call_node(this, list, intern("unshift"), new JsArray <node>()
{
value
}, null));
}
}
else if (where == "LAST")
{
if (mode == "SET")
{
return(new asgn_node(this, new call_node(this, list, intern("[]"), new JsArray <node>()
{
new int_node(this, -1)
}, null), value));
}
else if (mode == "INSERT")
{
return(new call_node(this, list, intern("push"), new JsArray <node>()
{
value
}, null));
}
}
else if (where == "FROM_START")
{
// Blockly uses one-based indicies.
if (at is int_node)
{
// If the index is a naked number, decrement it right now.
at = new int_node(this, (int)(((int_node)at).to_i() - 1));
}
else
{
// If the index is dynamic, decrement it in code.
at = new begin_node(this, new call_node(this, at, intern("-"), new int_node(this, 1)), true);
at = new call_node(this, at, intern("to_i"));
}
if (mode == "SET")
{
return(new asgn_node(this, new call_node(this, list, intern("[]"), new JsArray <node>()
{
at
}, null), value));
}
else if (mode == "INSERT")
{
return(new call_node(this, list, intern("insert"), new JsArray <node>()
{
at, value
}, null));
}
}
else if (where == "FROM_END")
{
if (mode == "SET")
{
// Blockly uses one-based indicies.
if (at is int_node)
{
// If the index is a naked number, decrement it right now.
}
else
{
// If the index is dynamic, decrement it in code.
at = new call_node(this, at, intern("to_i"));
}
return(new asgn_node(this, new call_node(this, list, intern("[]"), new JsArray <node>()
{
at
}, null), value));
}
else if (mode == "INSERT")
{
// Blockly uses one-based indicies.
if (at is int_node)
{
// If the index is a naked number, decrement it right now.
at = new int_node(this, (int)(((int_node)at).to_i() + 1));
}
else
{
// If the index is dynamic, decrement it in code.
at = new begin_node(this, new call_node(this, at, intern("+"), new int_node(this, 1)), true);
at = new call_node(this, at, intern("to_i"));
}
at = new call_node(this, at, intern("-@"), (node)null);
return(new call_node(this, list, intern("insert"), new JsArray <node>()
{
at, value
}, null));
}
}
else if (where == "RANDOM")
{
if (mode == "SET")
{
return(new fcall_node(this, intern("lists_set_random_item"), new JsArray <node>()
{
list, value
}, null));
}
else if (mode == "INSERT")
{
return(new fcall_node(this, intern("lists_insert_random_item"), new JsArray <node>()
{
list, value
}, null));
}
}
throw new Exception("Unhandled combination (lists_setIndex).");
}
public node lists_getIndex(ListsGetIndexBlock block)
{
// Get element at index.
var mode = block.getFieldValue("MODE");
if (String.IsNullOrEmpty(mode))
{
mode = "GET";
}
var where = block.getFieldValue("WHERE");
if (String.IsNullOrEmpty(where))
{
where = "FROM_START";
}
var at = valueToCode(block, "AT");
if (at == null)
{
at = new int_node(this, 1);
}
var list = valueToCode(block, "VALUE");
if (list == null)
{
list = new array_node(this, new JsArray <node>());
}
if (where == "FIRST")
{
if (mode == "GET")
{
return(new call_node(this, list, intern("first")));
}
else
{
if (mode == "GET_REMOVE")
{
return(new call_node(this, list, intern("shift")));
}
else if (mode == "REMOVE")
{
return(new call_node(this, list, intern("shift")));
}
}
}
else if (where == "LAST")
{
if (mode == "GET")
{
return(new call_node(this, list, intern("last")));
}
else
{
var code = list + ".pop";
if (mode == "GET_REMOVE")
{
return(new call_node(this, list, intern("pop")));
}
else if (mode == "REMOVE")
{
return(new call_node(this, list, intern("pop")));
}
}
}
else if (where == "FROM_START")
{
// Blockly uses one-based indicies.
if (at is int_node)
{
// If the index is a naked number, decrement it right now.
at = new int_node(this, (int)(((int_node)at).to_i() - 1));
}
else
{
// If the index is dynamic, decrement it in code.
at = new begin_node(this, new call_node(this, at, intern("-"), new int_node(this, 1)), true);
at = new call_node(this, at, intern("to_i"));
}
if (mode == "GET")
{
return(new call_node(this, list, intern("[]"), new JsArray <node>()
{
at
}, null));
}
else if (mode == "GET_REMOVE")
{
return(new call_node(this, list, intern("delete_at"), new JsArray <node>()
{
at
}, null));
}
else if (mode == "REMOVE")
{
return(new call_node(this, list, intern("delete_at"), new JsArray <node>()
{
at
}, null));
}
}
else if (where == "FROM_END")
{
at = new call_node(this, at, intern("-@"), (node)null);
if (mode == "GET")
{
return(new call_node(this, list, intern("[]"), new JsArray <node>()
{
at
}, null));
}
else if (mode == "GET_REMOVE")
{
return(new call_node(this, list, intern("delete_at"), new JsArray <node>()
{
at
}, null));
}
else if (mode == "REMOVE")
{
return(new call_node(this, list, intern("delete_at"), new JsArray <node>()
{
at
}, null));
}
}
else if (where == "RANDOM")
{
if (mode == "GET")
{
return(new fcall_node(this, intern("lists_random_item"), new JsArray <node>()
{
list
}, null));
}
else
{
if (mode == "GET_REMOVE")
{
return(new fcall_node(this, intern("lists_remove_random_item"), new JsArray <node>()
{
list
}, null));
}
else if (mode == "REMOVE")
{
return(new fcall_node(this, intern("lists_remove_random_item"), new JsArray <node>()
{
list
}, null));
}
}
}
throw new Exception("Unhandled combination (lists_getIndex).");
}