Add --ast to mini_parser.dart.

dart/frog/leg/scanner/partial_parser.dart

Index: dart/frog/leg/scanner/partial_parser.dart
diff --git a/dart/frog/leg/scanner/partial_parser.dart b/dart/frog/leg/scanner/partial_parser.dart
index 2afdf348a1472dad24f40b08f719953c8079e152..1857aedee81650274b4e3f9c373b1798e978b2d1 100644
--- a/dart/frog/leg/scanner/partial_parser.dart
+++ b/dart/frog/leg/scanner/partial_parser.dart
@@ -30,17 +30,26 @@ class PartialParser extends Parser {
 
   Token parseFunctionBody(Token token, bool isExpression) {
     assert(!isExpression);
-    if (optional(';', token)) {
-      listener.handleNoFunctionBody(token);
-      return token;
-    } else if (optional('=>', token)) {
+    String value = token.stringValue;
+    if (value === ';') {
+      // No body.
+    } else if (value === '=>') {
       token = parseExpression(token.next);
       expectSemicolon(token);
-      return token;
     } else {
       token = skipBlock(token);
-      listener.handleNoFunctionBody(token);
-      return token;
     }
+    listener.handleNoFunctionBody(token);

[ngeoffray, 2011/12/09 13:41:27]

'handleNoFunctionBody' is kind of weird to call, even for methods that have a
body.

[ahe, 2011/12/09 14:19:47]

I added a comment.

+    return token;
+  }
+
+  Token parseFormalParameters(Token token) => skipFormals(token);
+
+  Token skipFormals(BeginGroupToken token) {
+    listener.beginOptionalFormalParameters(token);
+    expect('(', token);
+    Token endToken = token.endGroup;
+    listener.endFormalParameters(0, token, endToken);
+    return endToken.next;
   }
 }