added more scaffolding for declarations and assignments

diff --git a/compile.rb b/compile.rb
index f702ee1231fd9af6cf170a6b60fc79516159e564..5fb23e57a4343dd041c824d2945d345198ec1e56 100755 (executable)
--- a/compile.rb
+++ b/compile.rb
@@ -303,9 +303,14 @@ class Parser
       Ast::Return.new(expr[:type], expr)
     elsif matches(:if)
     elseif matches(:ident)
-      # declaration
-      # assignment
-      # procedure call
+      name = expect(:ident)
+      if matches(":")
+#        declaration(name)
+      elsif matches("=")
+#        assignment
+      else
+#        binary_expr(name) # procedure call / expression
+      end
     else
       error("invalid statment")
     end