Rudimentary CLI for new die implementation

1 files changed, 30 insertions, 0 deletions

diff --git a/dice/src/example/java/bjc/dicelang/neodice/commands/ShowBindingsCommand.java b/dice/src/example/java/bjc/dicelang/neodice/commands/ShowBindingsCommand.java
new file mode 100644
index 0000000..fe2ac89
--- /dev/null
+++ b/dice/src/example/java/bjc/dicelang/neodice/commands/ShowBindingsCommand.java
@@ -0,0 +1,30 @@
+package bjc.dicelang.neodice.commands;
+
+import static bjc.dicelang.neodice.statements.VoidStatementValue.*;
+
+import java.util.*;
+
+import bjc.dicelang.neodice.*;
+import bjc.dicelang.neodice.statements.*;
+
+public class ShowBindingsCommand implements Command {
+  @Override
+  public StatementValue execute(Iterator<String> words, DieBoxCLI state) {
+    state.output.printf("Showing all %d variables currently bound:", state.bindings.size());
+    state.bindings.forEach((name, bound) -> {
+      state.output.printf("\t%t\t%s\n", name, bound);
+    });
+    
+    return VOID_INST;
+  }
+  
+  @Override
+  public String shortHelp() {
+    return "print out all the variable bindings";
+  }
+  
+  @Override
+  public String longHelp() {
+    return "Prints out all of the variable bindings that exist at the moment";
+  }
+}
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