From b782d42cba297ba2a3eec23985f778407a001555 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Fri, 26 Jul 2013 18:04:20 -0700
Subject: [PATCH] Deny all warnings by default in doc tests

Allow some common ones that are good for examples, however.
---
 doc/rust.md              |  2 +-
 doc/tutorial.md          |  1 +
 src/etc/extract-tests.py | 12 ++++--------
 3 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/doc/rust.md b/doc/rust.md
index e98edd229b8d..f938fb79b44b 100644
--- a/doc/rust.md
+++ b/doc/rust.md
@@ -1494,7 +1494,7 @@ mod m1 {
 This example shows how one can use `allow` and `warn` to toggle
 a particular check on and off.
 
-~~~
+~~~{.xfail-test}
 #[warn(missing_doc)]
 mod m2{
     #[allow(missing_doc)]
diff --git a/doc/tutorial.md b/doc/tutorial.md
index d0b375b0b584..ee9d22e548d8 100644
--- a/doc/tutorial.md
+++ b/doc/tutorial.md
@@ -1154,6 +1154,7 @@ let mut x = 5;
     let y = &x; // x is now frozen, it cannot be modified
 }
 // x is now unfrozen again
+# x = 3;
 ~~~~
 
 Mutable managed boxes handle freezing dynamically when any of their contents
diff --git a/src/etc/extract-tests.py b/src/etc/extract-tests.py
index 91b3b814ce00..ab68afb615f1 100644
--- a/src/etc/extract-tests.py
+++ b/src/etc/extract-tests.py
@@ -59,14 +59,10 @@ while cur < len(lines):
                 block = "fn main() {\n" + block + "\n}\n"
             if not re.search(r"\bextern mod extra\b", block):
                 block = "extern mod extra;\n" + block
-            block = """#[ forbid(ctypes) ];
-#[ forbid(path_statement) ];
-#[ forbid(type_limits) ];
-#[ forbid(unrecognized_lint) ];
-#[ forbid(unused_imports) ];
-#[ forbid(while_true) ];
-
-#[ warn(non_camel_case_types) ];\n
+            block = """#[ deny(warnings) ];
+#[ allow(unused_variable) ];\n
+#[ allow(dead_assignment) ];\n
+#[ allow(unused_mut) ];\n
 """ + block
             if xfail:
                 block = "// xfail-test\n" + block