Start switch to maven modules

1 files changed, 75 insertions, 0 deletions

diff --git a/base/src/bjc/dicelang/scl/StreamControlConsole.java b/base/src/bjc/dicelang/scl/StreamControlConsole.java
new file mode 100644
index 0000000..649c6fa
--- /dev/null
+++ b/base/src/bjc/dicelang/scl/StreamControlConsole.java
@@ -0,0 +1,75 @@
+package bjc.dicelang.scl;
+
+import bjc.utils.funcdata.FunctionalList;
+import bjc.utils.funcdata.IList;
+
+import java.util.Iterator;
+import java.util.Scanner;
+
+import java.util.function.Supplier;
+
+/**
+ * Implement a SCL REPL
+ *
+ * @author Ben Culkin
+ */
+public class StreamControlConsole {
+	/*
+	 * @TODO 10/08/17 :SCLArgs
+	 * 	Do something useful with the CLI args.
+	 *
+	 */
+	/**
+	 * Main method
+	 *
+	 * @param args
+	 * 	Unused CLI args.
+	 */
+	public static void main(String[] args) {
+		/*
+		 * Initialize vars.
+		* 
+		*  We can get away with passing the null, because StreamEngine
+		*  doesn't reference any parts of DiceLangEngine.
+		 */
+		StreamEngine sengine          = new StreamEngine(null);
+		StreamControlEngine sclengine = new StreamControlEngine(sengine);
+		Scanner scn                   = new Scanner(System.in);
+
+		/* Get input from the user. */
+		System.out.print("Enter a SCL command string (blank to exit): ");
+
+		/* Process it. */
+		while (scn.hasNextLine()) {
+			String ln = scn.nextLine().trim();
+
+			if (ln.equals("")) {
+				/* Ignore empty lines. */
+				break;
+			}
+
+			/* Break the token into strings. */
+			IList<String> res = new FunctionalList<>();
+			String[] tokens   = ln.split(" ");
+
+			/* Run the stream engine on the tokens. */
+			boolean succ = sengine.doStreams(tokens, res);
+			if (!succ) {
+				System.out.printf("ERROR: Stream engine failed for line '%s'\n", ln);
+				continue;
+			}
+
+			/* Run the command through SCL. */
+			tokens = res.toArray(new String[res.getSize()]);
+			succ   = sclengine.runProgram(tokens);
+			if (!succ) {
+				System.out.printf("ERROR: SCL engine failed for line '%s'\n", ln);
+				continue;
+			}
+
+			/* Prompt again. */
+			System.out.print("Command string executed succesfully.\n\n");
+			System.out.print("Enter a SCL command string (blank to exit): ");
+		}
+	}
+}