---

yaml
---
r: 232325
b: refs/heads/try
c: 872f8c3
h: refs/heads/master
i:
  232323: b9589dc
v: v3

Author: alexcrichton

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: edeb4f1c86cbf6af8ef9874d4b3af50f721ea1b8
 refs/heads/snap-stage3: 1af31d4974e33027a68126fa5a5a3c2c6491824f
-refs/heads/try: 2da80ef114f33250bd9873b53bcdf76ab36fe9cd
+refs/heads/try: 872f8c3234ba02b32dd40a5be08f5b1328579197
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try/mk/docs.mk

@@ -13,6 +13,9 @@
 #
 # The DOCS variable is their names (with no file extension).
 #
+# PDF_DOCS lists the targets for which PDF documentation should be
+# build.
+#
 # RUSTDOC_FLAGS_xyz variables are extra arguments to pass to the
 # rustdoc invocation for xyz.
 #
@@ -32,6 +35,8 @@ DOCS += guide-crates guide-error-handling guide-ffi guide-macros guide \
     guide-testing
 
 
+PDF_DOCS := reference
+
 RUSTDOC_DEPS_reference := doc/full-toc.inc
 RUSTDOC_FLAGS_reference := --html-in-header=doc/full-toc.inc
 
@@ -47,6 +52,13 @@ RUSTDOC_HTML_OPTS_NO_CSS = --html-before-content=doc/version_info.html \
 
 RUSTDOC_HTML_OPTS = $(RUSTDOC_HTML_OPTS_NO_CSS) --markdown-css rust.css
 
+PANDOC_BASE_OPTS := --standalone --toc --number-sections
+PANDOC_TEX_OPTS = $(PANDOC_BASE_OPTS) --from=markdown --to=latex \
+	--include-before-body=doc/version.tex \
+	--include-before-body=doc/footer.tex \
+	--include-in-header=doc/uptack.tex
+PANDOC_EPUB_OPTS = $(PANDOC_BASE_OPTS) --to=epub
+
 # The rustdoc executable...
 RUSTDOC_EXE = $(HBIN2_H_$(CFG_BUILD))/rustdoc$(X_$(CFG_BUILD))
 # ...with rpath included in case --disable-rpath was provided to
@@ -77,10 +89,30 @@ else
 HTML_DEPS :=
 endif
 
+# Check for xelatex
+
+ifneq ($(CFG_XELATEX),)
+    CFG_LATEX := $(CFG_XELATEX)
+    XELATEX = 1
+  else
+    $(info cfg: no xelatex found, disabling LaTeX docs)
+    NO_PDF_DOCS = 1
+endif
+
+ifeq ($(CFG_PANDOC),)
+$(info cfg: no pandoc found, omitting PDF and EPUB docs)
+ONLY_HTML_DOCS = 1
+endif
+
+
 ######################################################################
 # Rust version
 ######################################################################
 
+doc/version.tex: $(MKFILE_DEPS) $(wildcard $(D)/*.*) | doc/
+	@$(call E, version-stamp: $@)
+	$(Q)echo "$(CFG_VERSION)" >$@
+
 HTML_DEPS += doc/version_info.html
 doc/version_info.html: $(D)/version_info.html.template $(MKFILE_DEPS) \
                        $(wildcard $(D)/*.*) | doc/
@@ -89,10 +121,10 @@ doc/version_info.html: $(D)/version_info.html.template $(MKFILE_DEPS) \
                 s/SHORT_HASH/$(CFG_SHORT_VER_HASH)/; \
                 s/STAMP/$(CFG_VER_HASH)/;" $< >$@
 
-GENERATED += doc/version_info.html
+GENERATED += doc/version.tex doc/version_info.html
 
 ######################################################################
-# Docs from rustdoc
+# Docs, from rustdoc and sometimes pandoc
 ######################################################################
 
 doc/:
@@ -118,6 +150,20 @@ doc/footer.inc: $(D)/footer.inc | doc/
 	$(Q)cp -PRp $< $@ 2> /dev/null
 
 # The (english) documentation for each doc item.
+
+define DEF_SHOULD_BUILD_PDF_DOC
+SHOULD_BUILD_PDF_DOC_$(1) = 1
+endef
+$(foreach docname,$(PDF_DOCS),$(eval $(call DEF_SHOULD_BUILD_PDF_DOC,$(docname))))
+
+doc/footer.tex: $(D)/footer.inc | doc/
+	@$(call E, pandoc: $@)
+	$(CFG_PANDOC) --from=html --to=latex $< --output=$@
+
+doc/uptack.tex: $(D)/uptack.tex | doc/
+	$(Q)cp $< $@
+
+# HTML (rustdoc)
 DOC_TARGETS += doc/not_found.html
 doc/not_found.html: $(D)/not_found.md $(HTML_DEPS) | doc/
 	@$(call E, rustdoc: $@)
@@ -133,6 +179,47 @@ doc/$(1).html: $$(D)/$(1).md $$(HTML_DEPS) $$(RUSTDOC_DEPS_$(1)) | doc/
 	@$$(call E, rustdoc: $$@)
 	$$(Q)$$(RUSTDOC) $$(RUSTDOC_HTML_OPTS) $$(RUSTDOC_FLAGS_$(1)) $$<
 
+ifneq ($(ONLY_HTML_DOCS),1)
+
+# EPUB (pandoc directly)
+DOC_TARGETS += doc/$(1).epub
+doc/$(1).epub: $$(D)/$(1).md | doc/
+	@$$(call E, pandoc: $$@)
+	$$(CFG_PANDOC) $$(PANDOC_EPUB_OPTS) $$< --output=$$@
+
+# PDF (md =(pandoc)=> tex =(pdflatex)=> pdf)
+DOC_TARGETS += doc/$(1).tex
+doc/$(1).tex: $$(D)/$(1).md doc/uptack.tex doc/footer.tex doc/version.tex | doc/
+	@$$(call E, pandoc: $$@)
+	$$(CFG_PANDOC) $$(PANDOC_TEX_OPTS) $$< --output=$$@
+
+ifneq ($(NO_PDF_DOCS),1)
+ifeq ($$(SHOULD_BUILD_PDF_DOC_$(1)),1)
+DOC_TARGETS += doc/$(1).pdf
+ifneq ($(XELATEX),1)
+doc/$(1).pdf: doc/$(1).tex
+	@$$(call E, latex compiler: $$@)
+	$$(Q)$$(CFG_LATEX) \
+	-interaction=batchmode \
+	-output-directory=doc \
+	$$<
+else
+# The version of xelatex on the snap bots seemingly ingores -output-directory
+# So we'll output to . and move to the doc directory manually.
+# This will leave some intermediate files in the build directory.
+doc/$(1).pdf: doc/$(1).tex
+	@$$(call E, latex compiler: $$@)
+	$$(Q)$$(CFG_LATEX) \
+	-interaction=batchmode \
+	-output-directory=. \
+	$$<
+	$$(Q)mv ./$(1).pdf $$@
+endif # XELATEX
+endif # SHOULD_BUILD_PDF_DOCS_$(1)
+endif # NO_PDF_DOCS
+
+endif # ONLY_HTML_DOCS
+
 endef
 
 $(foreach docname,$(DOCS),$(eval $(call DEF_DOC,$(docname))))

branches/try/src/doc/README.md

@@ -1,5 +1,11 @@
 # Rust documentations
 
+## Dependencies
+
+[Pandoc](http://johnmacfarlane.net/pandoc/installing.html), a universal
+document converter, is required to generate docs as HTML from Rust's
+source code.
+
 ## Building
 
 To generate all the docs, just run `make docs` from the root of the repository.
@@ -20,12 +26,15 @@ To generate an HTML version of a doc from Markdown manually, you can do
 something like:
 
 ~~~~
-rustdoc reference.md
+pandoc --from=markdown --to=html5 --number-sections -o reference.html reference.md
 ~~~~
 
 (`reference.md` being the Rust Reference Manual.)
 
-An overview of how to use the `rustdoc` command is available [in the docs][1].
-Further details are available from the command line by with `rustdoc --help`.
+The syntax for pandoc flavored markdown can be found at:
+
+- http://johnmacfarlane.net/pandoc/README.html#pandocs-markdown
+
+A nice quick reference (for non-pandoc markdown) is at:
 
-[1]: https://github.com/rust-lang/rust/blob/master/src/doc/trpl/documentation.md
+- http://kramdown.gettalong.org/quickref.html

branches/try/src/libcore/slice.rs

@@ -50,7 +50,6 @@ use ptr;
 use mem;
 use mem::size_of;
 use marker::{Send, Sync, self};
-use num::wrapping::OverflowingOps;
 use raw::Repr;
 // Avoid conflicts with *both* the Slice trait (buggy) and the `slice::raw` module.
 use raw::Slice as RawSlice;
@@ -1181,34 +1180,6 @@ impl<'a, T> Iterator for Windows<'a, T> {
             (size, Some(size))
         }
     }
-
-    #[inline]
-    fn count(self) -> usize {
-        self.size_hint().0
-    }
-
-    #[inline]
-    fn nth(&mut self, n: usize) -> Option<Self::Item> {
-        let (end, overflow) = self.size.overflowing_add(n);
-        if end > self.v.len() || overflow {
-            self.v = &[];
-            None
-        } else {
-            let nth = &self.v[n..end];
-            self.v = &self.v[n+1..];
-            Some(nth)
-        }
-    }
-
-    #[inline]
-    fn last(self) -> Option<Self::Item> {
-        if self.size > self.v.len() {
-            None
-        } else {
-            let start = self.v.len() - self.size;
-            Some(&self.v[start..])
-        }
-    }
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]
@@ -1295,38 +1266,6 @@ impl<'a, T> Iterator for Chunks<'a, T> {
             (n, Some(n))
         }
     }
-
-    #[inline]
-    fn count(self) -> usize {
-        self.size_hint().0
-    }
-
-    #[inline]
-    fn nth(&mut self, n: usize) -> Option<Self::Item> {
-        let (start, overflow) = n.overflowing_mul(self.size);
-        if start >= self.v.len() || overflow {
-            self.v = &[];
-            None
-        } else {
-            let end = match start.checked_add(self.size) {
-                Some(sum) => cmp::min(self.v.len(), sum),
-                None => self.v.len(),
-            };
-            let nth = &self.v[start..end];
-            self.v = &self.v[end..];
-            Some(nth)
-        }
-    }
-
-    #[inline]
-    fn last(self) -> Option<Self::Item> {
-        if self.v.is_empty() {
-            None
-        } else {
-            let start = (self.v.len() - 1) / self.size * self.size;
-            Some(&self.v[start..])
-        }
-    }
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]
@@ -1407,40 +1346,6 @@ impl<'a, T> Iterator for ChunksMut<'a, T> {
             (n, Some(n))
         }
     }
-
-    #[inline]
-    fn count(self) -> usize {
-        self.size_hint().0
-    }
-
-    #[inline]
-    fn nth(&mut self, n: usize) -> Option<&'a mut [T]> {
-        let (start, overflow) = n.overflowing_mul(self.chunk_size);
-        if start >= self.v.len() || overflow {
-            self.v = &mut [];
-            None
-        } else {
-            let end = match start.checked_add(self.chunk_size) {
-                Some(sum) => cmp::min(self.v.len(), sum),
-                None => self.v.len(),
-            };
-            let tmp = mem::replace(&mut self.v, &mut []);
-            let (head, tail) = tmp.split_at_mut(end);
-            let (_, nth) =  head.split_at_mut(start);
-            self.v = tail;
-            Some(nth)
-        }
-    }
-
-    #[inline]
-    fn last(self) -> Option<Self::Item> {
-        if self.v.is_empty() {
-            None
-        } else {
-            let start = (self.v.len() - 1) / self.chunk_size * self.chunk_size;
-            Some(&mut self.v[start..])
-        }
-    }
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]