Parser + boilerplate for Among Us

1 files changed, 34 insertions, 0 deletions

diff --git a/src/among_us/program.cr b/src/among_us/program.cr
new file mode 100644
index 0000000..a54f24b
--- /dev/null
+++ b/src/among_us/program.cr
@@ -0,0 +1,34 @@
+require "big"
+
+struct AmongUs::Program < Flint::Program
+  def interpret : Nil
+    code = Parser.new(@source_io).parse
+    jumps = find_jumps(code)
+
+    stack = [] of BigInt
+    acc1 = BigInt.new
+    acc2 = BigInt.new
+    color = code.find &.is_a?(Color) 
+
+    puts code
+    puts jumps
+  end
+
+  private def find_jumps(code : Array(Instruction)) : Hash(Int32, Int32)
+    jumps = {} of Int32 => Int32
+    stack = [] of Int32
+
+    code.each_index do |i|
+      case code[i]
+      when Command::WHO
+        stack << i
+      when Command::WHERE
+        jumps[i] = stack.pop
+        jumps[jumps[i]] = i
+      end
+    end
+
+    return jumps
+  end
+end
+