allow for forward passing arguments

Makefile

@@ -55,5 +55,5 @@ clean:
 	-rm ${OUTS}
 
 test:
-	./allegra depgra debug/dummy_c_project/*.c
+	./allegra depgra -s debug/dummy_c_project/*.c
 	nomacs dependency_graph.png

allegra

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 function usage() {
-    echo "Usage: ${0} [type] <file>"
+    echo "Usage: ${0} [type [options]] <file>"
     echo "  depgra  - Generate a dependency graph"
     echo "  flexgra - Generate a scanner graph"
 }
@@ -22,16 +22,17 @@ if [[ $# -eq 1 ]]; then
     FILE="$1"
 else
     TYPE="$1"
-    FILE="$2"
+    OPTIONS="${@:2:$(($#-2))}"
+    FILE="${@: -1}"
 fi
 
 case "$TYPE" in
     depgra)
-        depgra "$FILE"
+        depgra $OPTIONS "$FILE"
         dot -Tpng -o dependency_graph.png c.dot
         ;;
     flexgra)
-        flexgra "$FILE"
+        flexgra $OPTIONS "$FILE"
         dot -Tpng -o scanner_graph.png out.dot
         ;;
     *)