Don't repeat errors on the same line. This cuts down on too much damage from languages like C++ that spam hundreds of errors to the same line that are basically the same.

game/engine.go

@@ -6,6 +6,7 @@ import (
   "lcthw.dev/go/ttarpit/builder"
   . "lcthw.dev/go/ttarpit/debug"
   "time"
+  "fmt"
 )
 
 type Game struct {
@@ -16,6 +17,7 @@ type Game struct {
   StartTime time.Time
   EndTime time.Time
   ErrorLog []data.ErrInfo
+  ErrorsSeen map[string]int
 }
 
 func New(settings config.Config) *Game {
@@ -31,16 +33,27 @@ func New(settings config.Config) *Game {
   }
 
   game.EndTime = time.Now().Add(time_out)
+  game.ErrorsSeen = make(map[string]int, 10)
 
   return game
 }
 
 func (game *Game) ClearLog() {
+  clear(game.ErrorsSeen)
   game.ErrorLog = game.ErrorLog[:0]
 }
 
+func (game *Game) SeenError(errinfo data.ErrInfo) int {
+  key := fmt.Sprintf("%s:%d", errinfo.File, errinfo.Line)
+  game.ErrorsSeen[key]++
+  return game.ErrorsSeen[key]
+}
+
 func (game *Game) TakeHit(build *builder.Builder, errinfo data.ErrInfo) {
-  Log.Println("!!!!!!!!!!!!!!!!!", errinfo)
+  if game.SeenError(errinfo) > 1 {
+    return
+  }
+
   game.Errors++
   game.HP--