Reduce max line length from 150 to 120 characters

Part of https://github.com/servo/servo/issues/6041

components/plugins/jstraceable.rs

@@ -8,7 +8,8 @@ use syntax::ptr::P;
 use syntax::ast::{MetaItem, Expr};
 use syntax::ast;
 use syntax::ext::build::AstBuilder;
-use syntax::ext::deriving::generic::{combine_substructure, EnumMatching, FieldInfo, MethodDef, Struct, Substructure, TraitDef, ty};
+use syntax::ext::deriving::generic::{combine_substructure, EnumMatching, FieldInfo, MethodDef, Struct,
+                                     Substructure, TraitDef, ty};
 
 pub fn expand_dom_struct(cx: &mut ExtCtxt, sp: Span, _: &MetaItem, anno: Annotatable) -> Annotatable {
     if let Annotatable::Item(item) = anno {
@@ -31,8 +32,10 @@ pub fn expand_dom_struct(cx: &mut ExtCtxt, sp: Span, _: &MetaItem, anno: Annotat
 
 /// Provides the hook to expand `#[jstraceable]` into an implementation of `JSTraceable`
 ///
-/// The expansion basically calls `trace()` on all of the fields of the struct/enum, erroring if they do not implement the method.
-pub fn expand_jstraceable(cx: &mut ExtCtxt, span: Span, mitem: &MetaItem, item: Annotatable, push: &mut FnMut(Annotatable)) {
+/// The expansion basically calls `trace()` on all of the fields of the struct/enum, erroring if they do not
+/// implement the method.
+pub fn expand_jstraceable(cx: &mut ExtCtxt, span: Span, mitem: &MetaItem, item: Annotatable,
+                          push: &mut FnMut(Annotatable)) {
     let trait_def = TraitDef {
         span: span,
         attributes: Vec::new(),
@@ -44,7 +47,8 @@ pub fn expand_jstraceable(cx: &mut ExtCtxt, span: Span, mitem: &MetaItem, item:
                 name: "trace",
                 generics: ty::LifetimeBounds::empty(),
                 explicit_self: ty::borrowed_explicit_self(),
-                args: vec!(ty::Ptr(box ty::Literal(ty::Path::new(vec!("js","jsapi","JSTracer"))), ty::Raw(ast::MutMutable))),
+                args: vec!(ty::Ptr(box ty::Literal(ty::Path::new(vec!("js","jsapi","JSTracer"))),
+                                   ty::Raw(ast::MutMutable))),
                 ret_ty: ty::nil_ty(),
                 attributes: vec![quote_attr!(cx, #[inline(always)])],
                 is_unsafe: false,

components/plugins/lib.rs

@@ -8,7 +8,8 @@
 //!
 //!  - `#[privatize]` : Forces all fields in a struct/enum to be private
 //!  - `#[jstraceable]` : Auto-derives an implementation of `JSTraceable` for a struct in the script crate
-//!  - `#[must_root]` : Prevents data of the marked type from being used on the stack. See the lints module for more details
+//!  - `#[must_root]` : Prevents data of the marked type from being used on the stack. See the lints module for more
+//!     details
 //!  - `#[dom_struct]` : Implies `#[privatize]`,`#[jstraceable]`, and `#[must_root]`.
 //!     Use this for structs that correspond to a DOM type
 

components/plugins/lints/inheritance_integrity.rs

@@ -22,7 +22,8 @@ impl LintPass for InheritancePass {
         lint_array!(INHERITANCE_INTEGRITY)
     }
 
-    fn check_struct_def(&mut self, cx: &Context, def: &ast::StructDef, _i: ast::Ident, _gen: &ast::Generics, id: ast::NodeId) {
+    fn check_struct_def(&mut self, cx: &Context, def: &ast::StructDef, _i: ast::Ident,
+                        _gen: &ast::Generics, id: ast::NodeId) {
         // Lints are run post expansion, so it's fine to use
         // #[_dom_struct_marker] here without also checking for #[dom_struct]
         if ty::has_attr(cx.tcx, ast_util::local_def(id), "_dom_struct_marker") {
@@ -32,7 +33,8 @@ impl LintPass for InheritancePass {
                                         if match_lang_ty(cx, &*f.node.ty, "reflector") {
                                             if ctr > 0 {
                                                 cx.span_lint(INHERITANCE_INTEGRITY, f.span,
-                                                             "The Reflector should be the first field of the DOM struct");
+                                                             "The Reflector should be the first field of the DOM \
+                                                             struct");
                                             }
                                             return true;
                                         }

components/plugins/lints/privatize.rs

@@ -13,7 +13,8 @@ declare_lint!(PRIVATIZE, Deny,
 
 /// Lint for keeping DOM fields private
 ///
-/// This lint (disable with `-A privatize`/`#[allow(privatize)]`) ensures all types marked with `#[privatize]` have no private fields
+/// This lint (disable with `-A privatize`/`#[allow(privatize)]`) ensures all types marked with `#[privatize]`
+/// have no private fields
 pub struct PrivatizePass;
 
 impl LintPass for PrivatizePass {
@@ -21,13 +22,19 @@ impl LintPass for PrivatizePass {
         lint_array!(PRIVATIZE)
     }
 
-    fn check_struct_def(&mut self, cx: &Context, def: &ast::StructDef, _i: ast::Ident, _gen: &ast::Generics, id: ast::NodeId) {
+    fn check_struct_def(&mut self,
+                        cx: &Context,
+                        def: &ast::StructDef,
+                        _i: ast::Ident,
+                        _gen: &ast::Generics,
+                        id: ast::NodeId) {
         if ty::has_attr(cx.tcx, ast_util::local_def(id), "privatize") {
             for field in def.fields.iter() {
                 match field.node {
                     ast::StructField_ { kind: ast::NamedField(ident, visibility), .. } if visibility == Public => {
                         cx.span_lint(PRIVATIZE, field.span,
-                                     &format!("Field {} is public where only private fields are allowed", ident.name));
+                                     &format!("Field {} is public where only private fields are allowed",
+                                              ident.name));
                     }
                     _ => {}
                 }

components/plugins/lints/unrooted_must_root.rs

@@ -15,14 +15,17 @@ declare_lint!(UNROOTED_MUST_ROOT, Deny,
 
 /// Lint for ensuring safe usage of unrooted pointers
 ///
-/// This lint (disable with `-A unrooted-must-root`/`#[allow(unrooted_must_root)]`) ensures that `#[must_root]` values are used correctly.
+/// This lint (disable with `-A unrooted-must-root`/`#[allow(unrooted_must_root)]`) ensures that `#[must_root]`
+/// values are used correctly.
+///
 /// "Incorrect" usage includes:
 ///
 ///  - Not being used in a struct/enum field which is not `#[must_root]` itself
 ///  - Not being used as an argument to a function (Except onces named `new` and `new_inherited`)
 ///  - Not being bound locally in a `let` statement, assignment, `for` loop, or `match` statement.
 ///
-/// This helps catch most situations where pointers like `JS<T>` are used in a way that they can be invalidated by a GC pass.
+/// This helps catch most situations where pointers like `JS<T>` are used in a way that they can be invalidated by a
+/// GC pass.
 pub struct UnrootedPass;
 
 // Checks if a type has the #[must_root] annotation.
@@ -31,7 +34,8 @@ pub struct UnrootedPass;
 fn lint_unrooted_ty(cx: &Context, ty: &ast::Ty, warning: &str) {
     match ty.node {
         ast::TyVec(ref t) | ast::TyFixedLengthVec(ref t, _) |
-        ast::TyPtr(ast::MutTy { ty: ref t, ..}) | ast::TyRptr(_, ast::MutTy { ty: ref t, ..}) => lint_unrooted_ty(cx, &**t, warning),
+        ast::TyPtr(ast::MutTy { ty: ref t, ..}) | ast::TyRptr(_, ast::MutTy { ty: ref t, ..}) =>
+            lint_unrooted_ty(cx, &**t, warning),
         ast::TyPath(..) => {
                 match cx.tcx.def_map.borrow()[&ty.id] {
                     def::PathResolution{ base_def: def::DefTy(def_id, _), .. } => {
@@ -51,7 +55,12 @@ impl LintPass for UnrootedPass {
         lint_array!(UNROOTED_MUST_ROOT)
     }
     /// All structs containing #[must_root] types must be #[must_root] themselves
-    fn check_struct_def(&mut self, cx: &Context, def: &ast::StructDef, _i: ast::Ident, _gen: &ast::Generics, id: ast::NodeId) {
+    fn check_struct_def(&mut self,
+                        cx: &Context,
+                        def: &ast::StructDef,
+                        _i: ast::Ident,
+                        _gen: &ast::Generics,
+                        id: ast::NodeId) {
         let item = match cx.tcx.map.get(id) {
             ast_map::Node::NodeItem(item) => item,
             _ => cx.tcx.map.expect_item(cx.tcx.map.get_parent(id)),

components/plugins/reflector.rs

@@ -9,12 +9,14 @@ use syntax::ast;
 use utils::match_ty_unwrap;
 
 
-pub fn expand_reflector(cx: &mut ExtCtxt, span: Span, _: &MetaItem, annotatable: Annotatable, push: &mut FnMut(Annotatable)) {
+pub fn expand_reflector(cx: &mut ExtCtxt, span: Span, _: &MetaItem, annotatable: Annotatable,
+                        push: &mut FnMut(Annotatable)) {
     if let Annotatable::Item(item) = annotatable {
         if let ast::ItemStruct(ref def, _) = item.node {
             let struct_name = item.ident;
             // This path has to be hardcoded, unfortunately, since we can't resolve paths at expansion time
-            match def.fields.iter().find(|f| match_ty_unwrap(&*f.node.ty, &["dom", "bindings", "utils", "Reflector"]).is_some()) {
+            match def.fields.iter().find(
+                    |f| match_ty_unwrap(&*f.node.ty, &["dom", "bindings", "utils", "Reflector"]).is_some()) {
                 // If it has a field that is a Reflector, use that
                 Some(f) => {
                     let field_name = f.node.ident();

components/plugins/utils.rs

@@ -83,6 +83,7 @@ pub fn unsafe_context(map: &ast_map::Map, id: ast::NodeId) -> bool {
                 _ => false,
             }
         }
-        _ => false // There are probably a couple of other unsafe cases we don't care to lint, those will need to be added.
+        _ => false // There are probably a couple of other unsafe cases we don't care to lint, those will need
+                   // to be added.
     }
 }