Add subparser for generating instructions

1 files changed, 16 insertions, 2 deletions

diff --git a/src/main/java/org/shedlang/compiler/cli/ShedCli.java b/src/main/java/org/shedlang/compiler/cli/ShedCli.java
index e4955200..169e6e7f 100644
--- a/src/main/java/org/shedlang/compiler/cli/ShedCli.java
+++ b/src/main/java/org/shedlang/compiler/cli/ShedCli.java
@@ -25,14 +25,24 @@ public class ShedCli {
         var sourcePath = Paths.get(args.getString("source"));
 
         var compiler = new ShedCompiler();
-        compiler.compile(sourcePath);
+
+        switch (args.<Command>get("command")) {
+            case GENERATE_INSTRUCTIONS -> {
+                compiler.compile(sourcePath);
+            }
+        }
+
     }
 
     private static Namespace parseArgs(String[] args) {
         var parser = ArgumentParsers.newFor("shed").build()
             .defaultHelp(true);
 
-        parser.addArgument("source").required(true);
+        var subparsers = parser.addSubparsers();
+
+        var generateInstructionsSubParser = subparsers.addParser("generate-instructions");
+        generateInstructionsSubParser.setDefault("command", Command.GENERATE_INSTRUCTIONS);
+        generateInstructionsSubParser.addArgument("source").required(true);
 
         try {
             return parser.parseArgs(args);
@@ -42,4 +52,8 @@ public class ShedCli {
             throw new RuntimeException(e);
         }
     }
+
+    private enum Command {
+        GENERATE_INSTRUCTIONS,
+    }
 }