Escape strings in serialized instructions

1 files changed, 9 insertions, 2 deletions

diff --git a/src/main/java/org/shedlang/compiler/stackir/InstructionSerializer.java b/src/main/java/org/shedlang/compiler/stackir/InstructionSerializer.java
index eb123e36..1acb949a 100644
--- a/src/main/java/org/shedlang/compiler/stackir/InstructionSerializer.java
+++ b/src/main/java/org/shedlang/compiler/stackir/InstructionSerializer.java
@@ -200,9 +200,16 @@ public class InstructionSerializer {
                 serializeTree(named.value, builder, indentation);
             }
             case TreeString string -> {
-                // TODO: escaping
                 builder.append("\"");
-                builder.append(string.value);
+                var escapedValue = string.value
+                    .replace("\\", "\\\\")
+                    .replace("\b", "\\b")
+                    .replace("\t", "\\t")
+                    .replace("\n", "\\n")
+                    .replace("\f", "\\f")
+                    .replace("\r", "\\r")
+                    .replace("\"", "\\\"");
+                builder.append(escapedValue);
                 builder.append("\"");
             }
         }