From 74d4989876df49d5f3504d9196aa3d8b8392ab79 Mon Sep 17 00:00:00 2001
From: Brian Anderson <banderson@mozilla.com>
Date: Mon, 16 Jan 2012 17:30:57 -0800
Subject: [PATCH] rustdoc: Add extract::from_srv to extract a doc from an
 astsrv

---
 src/rustdoc/extract.rs | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/rustdoc/extract.rs b/src/rustdoc/extract.rs
index 48ac0c796cdb..05d381d0f7dd 100644
--- a/src/rustdoc/extract.rs
+++ b/src/rustdoc/extract.rs
@@ -1,6 +1,17 @@
 import rustc::syntax::ast;
 
-export extract;
+export from_srv, extract;
+
+// FIXME: Want this to be from_srv<T:ast::srv> but it crashes
+fn from_srv(
+    srv: astsrv::seq_srv,
+    default_name: str
+) -> doc::cratedoc {
+    import astsrv::seq_srv;
+    srv.exec {|ctxt|
+        extract(ctxt.ast, default_name)
+    }
+}
 
 #[doc = "Converts the Rust AST to the rustdoc document model"]
 fn extract(
@@ -123,4 +134,13 @@ mod tests {
         let doc = extract(ast, "burp");
         assert doc.topmod.name == "burp";
     }
+
+    #[test]
+    fn extract_from_seq_srv() {
+        import astsrv::seq_srv;
+        let source = "";
+        let srv = astsrv::mk_seq_srv_from_str(source);
+        let doc = from_srv(srv, "name");
+        assert doc.topmod.name == "name";
+    }
 }
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