Escape char literals

2 files changed, 17 insertions, 2 deletions

diff --git a/src/main/java/org/zwobble/couscous/backends/SourceCodeWriter.java b/src/main/java/org/zwobble/couscous/backends/SourceCodeWriter.java
index b39fbc0..6d26e8b 100644
--- a/src/main/java/org/zwobble/couscous/backends/SourceCodeWriter.java
+++ b/src/main/java/org/zwobble/couscous/backends/SourceCodeWriter.java
@@ -40,9 +40,17 @@ public class SourceCodeWriter {
     public void writeChar(char value) {
         builder.append("'");
         if (value == '\'') {
-            builder.append("\\");
+            builder.append("\\'");
+        } else if (value == '\n') {
+            builder.append("\\n");
+        } else if (value == '\r') {
+            builder.append("\\r");
+        } else if (value == '\t') {
+            builder.append("\\t");
+        } else {
+            builder.append(value);
         }
-        builder.append(value).append("'");
+        builder.append("'");
     }
 
     public void writeStringLiteral(String value) {
diff --git a/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpSerializerTests.java b/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpSerializerTests.java
index ca15ba9..dd1a051 100644
--- a/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpSerializerTests.java
+++ b/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpSerializerTests.java
@@ -63,6 +63,13 @@ public class CsharpSerializerTests {
     }
 
     @Test
+    public void charLiteralsAreEscaped() {
+        assertEquals("'\\n'", serialize(literal('\n')));
+        assertEquals("'\\r'", serialize(literal('\r')));
+        assertEquals("'\\t'", serialize(literal('\t')));
+    }
+
+    @Test
     public void stringLiteralsUseDoubleQuotes() {
         String output = serialize(literal("blah"));
         assertEquals("\"blah\"", output);