Parse empty effect definitions

1 files changed, 21 insertions, 0 deletions

diff --git a/src/main/java/org/shedlang/compiler/parser/Parser.java b/src/main/java/org/shedlang/compiler/parser/Parser.java
index cf01705d..6be82270 100644
--- a/src/main/java/org/shedlang/compiler/parser/Parser.java
+++ b/src/main/java/org/shedlang/compiler/parser/Parser.java
@@ -201,6 +201,24 @@ public class Parser {
         }
     }
 
+    private static UntypedEffectDefinitionNode parseEffectDefinition(
+        TokenIterator<TokenType> tokens
+    ) {
+        var start = tokens.position();
+
+        tokens.skip(TokenType.KEYWORD_EFFECT);
+
+        var name = tokens.nextValue(TokenType.IDENTIFIER);
+
+        tokens.skip(TokenType.SYMBOL_BRACE_OPEN);
+        tokens.skip(TokenType.SYMBOL_BRACE_CLOSE);
+
+        var end = tokens.position();
+        var source = start.to(end);
+
+        return new UntypedEffectDefinitionNode(name, source);
+    }
+
     private static final Map<TokenType, OperationParser> OPERATION_PARSERS = Stream.of(
         new FieldAccessParser(),
         new BinaryOperationParser(TokenType.SYMBOL_EQUALS_EQUALS, OperatorPrecedence.EQUALS, UntypedBinaryOperator.EQUALS),
@@ -591,6 +609,9 @@ public class Parser {
 
     static UntypedNamespaceStatementNode parseNamespaceStatement(TokenIterator<TokenType> tokens) {
         return switch (tokens.peek().tokenType()) {
+            case KEYWORD_EFFECT ->
+                parseEffectDefinition(tokens);
+
             case KEYWORD_FUN ->
                 parseFunctionDefinition(tokens);