Implemented the interpreter

1 files changed, 44 insertions, 0 deletions

diff --git a/src/nimfunge98.nim b/src/nimfunge98.nim
new file mode 100644
index 0000000..6e6efb9
--- /dev/null
+++ b/src/nimfunge98.nim
@@ -0,0 +1,44 @@
+import field
+import interpreter
+import pointer
+
+import os
+import parseopt
+import strformat
+
+proc Usage(i: int = 0) =
+  let filename = getAppFilename().extractFilename()
+  echo fmt"""Usage of {filename}:
+    -f string  b98 file to interpret
+    -h         display this help message
+  """
+  if i != 0:
+    quit i
+
+var filename: string
+
+for kind, key, value in getOpt():
+  case kind
+    of cmdArgument:
+      if filename != "":
+        echo "Invalid argument: ", key
+        Usage(1)
+      filename = key
+    of cmdLongOption, cmdShortOption:
+      case key
+        of "h":
+          Usage()
+        else:
+          echo "Unknown option: ", key
+          Usage(1)
+    of cmdEnd:
+      discard
+
+var f = Load(filename)
+if f == nil:
+  echo "Failed to load ", filename
+  quit 1
+let argv = @[filename]
+var p = NewPointer(argv=argv)
+let v = NewInterpreter(f, p)[].Run()
+quit v