Pushed existing work

1 files changed, 49 insertions, 0 deletions

diff --git a/Shenanigans/src/org/archphantom/shenanigans/examples/Factorial.java b/Shenanigans/src/org/archphantom/shenanigans/examples/Factorial.java
new file mode 100644
index 0000000..931438b
--- /dev/null
+++ b/Shenanigans/src/org/archphantom/shenanigans/examples/Factorial.java
@@ -0,0 +1,49 @@
+package org.archphantom.shenanigans.examples;
+import java.util.ArrayList;
+import java.util.Hashtable;
+import org.archphantom.shenanigans.elements.Program;
+import org.archphantom.shenanigans.elements.expressions.Expression;
+import org.archphantom.shenanigans.elements.expressions.Variable;
+import org.archphantom.shenanigans.elements.expressions.comparators.BoolEqual;
+import org.archphantom.shenanigans.elements.expressions.operations.Multiplication;
+import org.archphantom.shenanigans.elements.expressions.operations.Subtraction;
+import org.archphantom.shenanigans.elements.expressions.statements.Assignment;
+import org.archphantom.shenanigans.elements.expressions.statements.FunctionCall;
+import org.archphantom.shenanigans.elements.expressions.statements.Group;
+import org.archphantom.shenanigans.elements.expressions.statements.IfElse;
+import org.archphantom.shenanigans.elements.expressions.statements.Print;
+import org.archphantom.shenanigans.elements.values.Array;
+import org.archphantom.shenanigans.elements.values.CharValue;
+import org.archphantom.shenanigans.elements.values.Function;
+import org.archphantom.shenanigans.elements.values.IntValue;
+import org.archphantom.shenanigans.elements.values.Namespace;
+import org.archphantom.shenanigans.elements.variables.VarTable;
+
+public class Factorial {
+	
+	public static void main (String[] args) {
+		ArrayList<Expression> list = new ArrayList<Expression>();
+		ArrayList<String> argnames = new ArrayList<String>();
+		argnames.add("n");
+		ArrayList<Expression> factorial_expr_body = new ArrayList<Expression>();
+		ArrayList<Expression> recursionargs = new ArrayList<Expression>();
+		recursionargs.add(new Subtraction(new Variable("n"), new IntValue("1")));
+		factorial_expr_body.add(new IfElse(new BoolEqual(new Variable("n"), new IntValue("0")), new IntValue("1"), new Multiplication(new FunctionCall("main.factorial", recursionargs), new Variable("n"))));
+		Group factorial_body = new Group(factorial_expr_body);
+		Function factorial = new Function(argnames, factorial_body);
+		list.add(new Assignment("factorial", factorial));
+		ArrayList<Expression> arguments = new ArrayList<Expression>();
+		arguments.add(new IntValue("10"));
+		ArrayList<Expression> to_print = new ArrayList<Expression>();
+		to_print.add(new FunctionCall("factorial", arguments));
+		to_print.add(new CharValue('\n'));
+		list.add(new Print(new Array(to_print)));
+		Group group = new Group(list);
+		Namespace main = new Namespace("main", group, new VarTable());
+		Hashtable<String, Namespace> namespaces = new Hashtable<String, Namespace>();
+		namespaces.put("main", main);
+		Program p = new Program(namespaces);
+		p.run();
+	}
+
+}