public node math_random_int(MathRandomIntBlock block)
{
// Random integer between [X] and [Y].
var argument0 = valueToCode(block, "FROM");
if (argument0 == null)
{
argument0 = new int_node(this, 0);
}
var argument1 = valueToCode(block, "TO");
if (argument1 == null)
{
argument1 = new int_node(this, 0);
}
var code = new dot2_node(this, argument0, argument1);
return(new fcall_node(this, intern("rand"), new JsArray <node>()
{
code
}, null));
}
public node text_getSubstring(TextGetSubstringBlock block)
{
// Get substring.
var text = valueToCode(block, "STRING");
if (text == null)
{
text = new str_node(this, "");
}
var where1 = block.getFieldValue("WHERE1");
var where2 = block.getFieldValue("WHERE2");
var at1 = valueToCode(block, "AT1");
if (at1 == null)
{
at1 = new int_node(this, 1);
}
var at2 = valueToCode(block, "AT2");
if (at2 == null)
{
at2 = new int_node(this, 1);
}
if (where1 == "FIRST" || (where1 == "FROM_START" && at1 is int_node && ((int_node)at1).to_i() == 1))
{
at1 = new int_node(this, 0);
}
else if (where1 == "FROM_START")
{
// Blockly uses one-based indicies.
if (at1 is int_node)
{
// If the index is a naked number, decrement it right now.
at1 = new int_node(this, (int)(((int_node)at1).to_i() - 1));
}
else
{
// If the index is dynamic, decrement it in code.
at1 = new call_node(this, at1, intern("to_i"));
at1 = new call_node(this, at1, intern("-"), new int_node(this, 1));
}
}
else if (where1 == "FROM_END")
{
if (at1 is int_node)
{
at1 = new int_node(this, (int)(-((int_node)at1).to_i()));
}
else
{
at1 = new call_node(this, at1, intern("-@"), (node)null);
at1 = new call_node(this, at1, intern("to_i"));
}
}
if (where2 == "LAST" || (where2 == "FROM_END" && at2 is int_node && ((int_node)at2).to_i() == 1))
{
at2 = new int_node(this, -1);
}
else if (where2 == "FROM_START")
{
if (at2 is int_node)
{
at2 = new int_node(this, (int)(((int_node)at2).to_i() - 1));
}
else
{
at2 = new call_node(this, at2, intern("to_i"));
at2 = new call_node(this, at2, intern("-"), new int_node(this, 1));
}
}
else if (where2 == "FROM_END")
{
if (at2 is int_node)
{
at2 = new int_node(this, (int)(-((int_node)at2).to_i()));
}
else
{
at2 = new call_node(this, at2, intern("-@"), (node)null);
at2 = new call_node(this, at2, intern("to_i"));
}
}
var code = new dot2_node(this, at1, at2);
return(new call_node(this, text, intern("[]"), new JsArray <node>()
{
code
}, null));
}
