blob: 8664379ec0c1f9518b6441ed02a9d130b44bd55a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
package bjc.dicelang.neodice.commands;
import static bjc.dicelang.neodice.statements.StatementValue.Type.*;
import java.util.*;
import bjc.dicelang.neodice.*;
import bjc.dicelang.neodice.statements.*;
/**
* This command binds a name to a variable slot.
* @author Ben Culkin
*
*/
public class BindCommand implements Command {
@Override
public StatementValue execute(Iterator<String> words, DieBoxCLI state) {
if (!words.hasNext()) {
throw new DieBoxException("bind requires a name to bind the value to");
}
String name = words.next();
StatementValue value = state.runStatement(words);
if (state.doWarn && value.type == VOID) {
state.output.printf("Warning: bound %s to the instance of void. Should you have provided a value?", name);
}
state.bindings.put(name, value);
return value;
}
@Override
public String shortHelp() {
return "bind a value to a name";
}
@Override
public String longHelp() {
return "Binds a value to a name, and returns that name. Currently, all variables go into a single global scope, but this will probably change";
}
}
|