fix: escape characters within assembly

src/main/wacc/backend/asmGenerator.scala

@@ -7,6 +7,7 @@ object asmGenerator {
   import microWacc._
   import assemblyIR._
   import wacc.types._
+  import lexer.escapedChars
 
   val RAX = Register(RegSize.R64, RegName.AX)
   val EAX = Register(RegSize.E32, RegName.AX)
@@ -53,7 +54,7 @@ object asmGenerator {
       List(
         Directive.Int(str.size),
         LabelDef(s".L.str$i"),
-        Directive.Asciz(str.replace("\"", "\\\""))
+        Directive.Asciz(str.escaped)
       )
     }
 
@@ -387,4 +388,10 @@ object asmGenerator {
     // TODO: Might want to actually properly handle this with the LinkedHashMap too
     def align(): AsmLine = And(RSP, ImmediateVal(-16))
   }
+
+  private val escapedCharsMapping = escapedChars.map { case (k, v) => v -> s"\\$k" }
+  extension (s: String) {
+    private def escaped: String =
+      s.flatMap(c => escapedCharsMapping.getOrElse(c, c.toString))
+  }
 }