auto merge of rust-lang#11032 : cmr/rust/rustdoc_test, r=alexcrichton

This is just a smoke test which verifies that the expected files are
generated.

mk/tests.mk

@@ -920,14 +920,15 @@ $$(call TEST_OK_FILE,$(1),$(2),$(3),rmake): \
 
 $(3)/test/run-make/%-$(1)-T-$(2)-H-$(3).ok: \
 		$(S)src/test/run-make/%/Makefile \
-		$$(HSREQ$(1)_H_$(3))
+		$$(CSREQ$(1)_T_$(2)_H_$(3))
 	@rm -rf $(3)/test/run-make/$$*
 	@mkdir -p $(3)/test/run-make/$$*
 	@echo maketest: $$*
 	$$(Q)$$(CFG_PYTHON) $(S)src/etc/maketest.py $$(dir $$<) \
 	    $$(HBIN$(1)_H_$(3))/rustc$$(X_$(3)) \
 	    $(3)/test/run-make/$$* \
-	    "$$(CC_$(3)) $$(CFG_GCCISH_CFLAGS_$(3))"
+	    "$$(CC_$(3)) $$(CFG_GCCISH_CFLAGS_$(3))" \
+	    $$(HBIN$(1)_H_$(3))/rustdoc$$(X_$(3))
 	@touch $$@
 
 endef

src/etc/maketest.py

@@ -7,6 +7,7 @@
 os.putenv('RUSTC', os.path.abspath(sys.argv[2]))
 os.putenv('TMPDIR', os.path.abspath(sys.argv[3]))
 os.putenv('CC', sys.argv[4])
+os.putenv('RUSTDOC', os.path.abspath(sys.argv[5]))
 
 proc = subprocess.Popen(['make', '-C', sys.argv[1]],
                         stdout = subprocess.PIPE,

src/librustdoc/html/render.rs

@@ -678,15 +678,21 @@ impl Context {
         // using a rwarc makes this parallelizable in the future
         local_data::set(cache_key, Arc::new(cache));
 
-        self.item(item);
+        let mut work = ~[(self, item)];
+        while work.len() > 0 {
+            let (mut cx, item) = work.pop();
+            cx.item(item, |cx, item| {
+                work.push((cx.clone(), item));
+            })
+        }
     }
 
     /// Non-parellelized version of rendering an item. This will take the input
     /// item, render its contents, and then invoke the specified closure with
     /// all sub-items which need to be rendered.
     ///
     /// The rendering driver uses this closure to queue up more work.
-    fn item(&mut self, item: clean::Item) {
+    fn item(&mut self, item: clean::Item, f: |&mut Context, clean::Item|) {
         fn render(w: io::File, cx: &mut Context, it: &clean::Item,
                   pushname: bool) {
             info!("Rendering an item to {}", w.path().display());
@@ -733,7 +739,7 @@ impl Context {
                     };
                     this.sidebar = build_sidebar(&m);
                     for item in m.items.move_iter() {
-                        this.item(item);
+                        f(this,item);
                     }
                 })
             }

src/test/run-make/rustdoc-smoke/Makefile

@@ -0,0 +1,5 @@
+-include ../tools.mk
+all:
+	$(RUSTDOC) -w html -o $(TMPDIR)/doc foo.rs
+	cp verify.sh $(TMPDIR)
+	$(call RUN,verify.sh) $(TMPDIR)

src/test/run-make/rustdoc-smoke/foo.rs

@@ -0,0 +1,15 @@
+#[pkgid = "foo#0.1"];
+
+//! Very docs
+
+pub mod bar {
+
+    /// So correct
+    pub mod baz {
+        /// Much detail
+        pub fn baz() { }
+    }
+
+    /// *wow*
+    pub trait Doge { }
+}

src/test/run-make/rustdoc-smoke/verify.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# $1 is the TMPDIR
+
+dirs="doc doc/foo doc/foo/bar doc/foo/bar/baz doc/src doc/src/foo"
+
+for dir in $dirs; do if [ ! -d $1/$dir ]; then
+	echo "$1/$dir is not a directory!"
+	exit 1
+fi done
+
+files="doc/foo/index.html doc/foo/bar/index.html doc/foo/bar/baz/fn.baz.html doc/foo/bar/trait.Doge.html doc/src/foo/foo.rs.html"
+
+for file in $files; do if [ ! -f $1/$file ]; then
+	echo "$1/$file is not a file!"
+	exit 1
+fi done