repl: enabled back and added automated tests

fixed typos and macos errors

compiler/tests/repl/repl.sh

@@ -0,0 +1,64 @@
+#!/bin/sh
+
+score=0
+total=0
+debug=0
+
+if [ "$1" = "-h" ]; then
+  echo "V REPL Tests Script"
+  echo
+  echo "-d for debug extra outputs"
+  echo
+  echo "Reads test files '*.repl_test' and execute them"
+  echo "See README.md for details on how to write tests"
+  exit 0
+fi
+
+if [ "$1" = "-d" ]; then
+    debug=1
+fi
+
+test_command() {
+  if [ $debug -eq 1 ]; then
+    echo -en "Testing $1: "
+  fi
+
+  file=`cat $1`
+  output_start=`echo -e "$file" | grep -n '===output===' | cut -f1 -d:`
+
+  if [ $output_start -gt 1 ]; then
+    input=`echo -en "$file" | head -n $((output_start - 1))`
+  else
+    input=""
+  fi
+
+  output=`echo -en "$file" | tail -n +$((output_start + 1))`
+  result=`echo -en "$input" | ./v | tail -n +3 | sed 's/>>> //g'`
+
+  if [ "$output" = "$result" ]; then
+    score=$(($score + 1))
+    if [ $debug -eq 1 ]; then
+      echo -e "\033[32mOK\033[0m"
+    fi
+  else
+    if [ $debug -eq 0 ]; then
+      echo -en "REPL: "
+    fi
+    echo -e "\033[31mKO\033[0m"
+    echo -e "\033[1mGot :\033[0m\n$result"
+    echo -e "\033[1mExpected :\033[0m\n$output"
+  fi
+
+  total=$(($total + 1))
+  rm -f .vrepl .vrepl_temp
+}
+
+for file in `ls compiler/tests/repl/*.repl`; do
+  test_command $file
+done
+
+echo -e "\033[1mREPL SCORE:" $score "/" $total "\033[0m"
+
+if [ $score != $total ]; then
+  exit 1
+fi