From 33cf8b7acae565510ddcdbbc0c63d6b93a924837 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Fri, 19 Jun 2026 17:51:21 +0100
Subject: Parse enum keyword

---
 .../java/org/zwobble/hobgoblin/compiler/parser/TokenType.java |  1 +
 .../java/org/zwobble/hobgoblin/compiler/parser/Tokenizer.java |  4 +++-
 .../org/zwobble/hobgoblin/compiler/parser/TokenizerTests.java | 11 +++++++++++
 3 files changed, 15 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/parser/TokenType.java b/src/main/java/org/zwobble/hobgoblin/compiler/parser/TokenType.java
index 8277653..df86ae6 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/parser/TokenType.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/parser/TokenType.java
@@ -6,6 +6,7 @@ enum TokenType {
     IDENTIFIER,
     WHITESPACE,
 
+    KEYWORD_ENUM,
     KEYWORD_FIELD,
     KEYWORD_FROM,
     KEYWORD_IMPORT,
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/parser/Tokenizer.java b/src/main/java/org/zwobble/hobgoblin/compiler/parser/Tokenizer.java
index 8acde49..c0cf716 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/parser/Tokenizer.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/parser/Tokenizer.java
@@ -122,7 +122,9 @@ class Tokenizer {
 
         var sourceRange = start.to(end);
         TokenType tokenType;
-        if (CharSequence.compare(sourceRange.charSequence(), "field") == 0) {
+        if (CharSequence.compare(sourceRange.charSequence(), "enum") == 0) {
+            tokenType = TokenType.KEYWORD_ENUM;
+        } else if (CharSequence.compare(sourceRange.charSequence(), "field") == 0) {
             tokenType = TokenType.KEYWORD_FIELD;
         } else if (CharSequence.compare(sourceRange.charSequence(), "from") == 0) {
             tokenType = TokenType.KEYWORD_FROM;
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/parser/TokenizerTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/parser/TokenizerTests.java
index 0440719..848738a 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/parser/TokenizerTests.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/parser/TokenizerTests.java
@@ -18,6 +18,17 @@ public class TokenizerTests {
         assertThat(tokens.tokens(), isSequence());
     }
 
+    @Test
+    public void keywordEnumIsTokenized() {
+        var sourceText = SourceText.fromString("<string>", "enum");
+
+        var tokens = Tokenizer.tokenize(sourceText);
+
+        assertThat(tokens.tokens(), isSequence(
+            equalTo(new Token(TokenType.KEYWORD_ENUM, sourceRange(sourceText, 0, 4)))
+        ));
+    }
+
     @Test
     public void keywordFieldIsTokenized() {
         var sourceText = SourceText.fromString("<string>", "field");
-- 
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