Auto merge of #9070 - antrik:debug-fonts, r=nox

Derive Debug for more font-related types

Needs to pull in newer ipc-channel and azure.

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components/gfx/font_cache_task.rs

@@ -80,7 +80,7 @@ impl FontTemplates {
 }
 
 /// Commands that the FontContext sends to the font cache task.
-#[derive(Deserialize, Serialize)]
+#[derive(Deserialize, Serialize, Debug)]
 pub enum Command {
     GetFontTemplate(FontFamily, FontTemplateDescriptor, IpcSender<Reply>),
     GetLastResortFontTemplate(FontTemplateDescriptor, IpcSender<Reply>),
@@ -90,7 +90,7 @@ pub enum Command {
 }
 
 /// Reply messages sent from the font cache task to the FontContext caller.
-#[derive(Deserialize, Serialize)]
+#[derive(Deserialize, Serialize, Debug)]
 pub enum Reply {
     GetFontTemplateReply(Option<Arc<FontTemplateData>>),
 }
@@ -315,7 +315,7 @@ impl FontCache {
 
 /// The public interface to the font cache task, used exclusively by
 /// the per-thread/task FontContext structures.
-#[derive(Clone, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, Serialize, Debug)]
 pub struct FontCacheTask {
     chan: IpcSender<Command>,
 }

components/gfx/font_context.rs

@@ -44,17 +44,20 @@ fn create_scaled_font(template: &Arc<FontTemplateData>, pt_size: Au) -> ScaledFo
 
 static SMALL_CAPS_SCALE_FACTOR: f32 = 0.8;      // Matches FireFox (see gfxFont.h)
 
+#[derive(Debug)]
 struct LayoutFontCacheEntry {
     family: String,
     font: Option<Rc<RefCell<Font>>>,
 }
 
+#[derive(Debug)]
 struct FallbackFontCacheEntry {
     font: Rc<RefCell<Font>>,
 }
 
 /// A cached azure font (per paint task) that
 /// can be shared by multiple text runs.
+#[derive(Debug)]
 struct PaintFontCacheEntry {
     pt_size: Au,
     identifier: Atom,
@@ -69,6 +72,7 @@ static FONT_CACHE_EPOCH: AtomicUsize = ATOMIC_USIZE_INIT;
 /// working with fonts. It is the public API used by the layout and
 /// paint code. It talks directly to the font cache task where
 /// required.
+#[derive(Debug)]
 pub struct FontContext {
     platform_handle: FontContextHandle,
     font_cache_task: FontCacheTask,
@@ -316,6 +320,7 @@ impl HeapSizeOf for FontContext {
     }
 }
 
+#[derive(Debug)]
 struct LayoutFontGroupCacheKey {
     pointer: Arc<SpecifiedFontStyle>,
     size: Au,

components/servo/Cargo.lock

@@ -92,7 +92,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "azure"
 version = "0.2.1"
-source = "git+https://github.com/servo/rust-azure#b05ba4bb70aefb319c7f168fc83a9fd04a1aa1ef"
+source = "git+https://github.com/servo/rust-azure#7662f94f0b8c368134a04edac936328d603c7ad8"
 dependencies = [
  "core-foundation 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-graphics 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -872,7 +872,7 @@ dependencies = [
 [[package]]
 name = "ipc-channel"
 version = "0.1.0"
-source = "git+https://github.com/servo/ipc-channel#6900611d5f00c7405ae886d75841fe37df6bfc38"
+source = "git+https://github.com/servo/ipc-channel#1b95d5490d7b7f49576577315bdb5b4c834d08d0"
 dependencies = [
  "bincode 0.4.0 (git+https://github.com/TyOverby/bincode)",
  "byteorder 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",

components/style/properties.mako.rs

@@ -6141,7 +6141,7 @@ pub mod style_structs {
 
     % for style_struct in STYLE_STRUCTS:
         % if style_struct.name == "Font":
-        #[derive(Clone, HeapSizeOf)]
+        #[derive(Clone, HeapSizeOf, Debug)]
         % else:
         #[derive(PartialEq, Clone, HeapSizeOf)]
         % endif