Update deriving to pass around the cx linearly

Author: nikomatsakis

src/libsyntax/ext/deriving/clone.rs

@@ -20,8 +20,7 @@ pub fn expand_deriving_clone(cx: &mut ExtCtxt,
                              in_items: ~[@Item])
                           -> ~[@Item] {
     let trait_def = TraitDef {
-        cx: cx, span: span,
-
+        span: span,
         path: Path::new(~["std", "clone", "Clone"]),
         additional_bounds: ~[],
         generics: LifetimeBounds::empty(),
@@ -39,7 +38,7 @@ pub fn expand_deriving_clone(cx: &mut ExtCtxt,
         ]
     };
 
-    trait_def.expand(mitem, in_items)
+    trait_def.expand(cx, mitem, in_items)
 }
 
 pub fn expand_deriving_deep_clone(cx: &mut ExtCtxt,
@@ -48,8 +47,7 @@ pub fn expand_deriving_deep_clone(cx: &mut ExtCtxt,
                                   in_items: ~[@Item])
     -> ~[@Item] {
     let trait_def = TraitDef {
-        cx: cx, span: span,
-
+        span: span,
         path: Path::new(~["std", "clone", "DeepClone"]),
         additional_bounds: ~[],
         generics: LifetimeBounds::empty(),
@@ -69,7 +67,7 @@ pub fn expand_deriving_deep_clone(cx: &mut ExtCtxt,
         ]
     };
 
-    trait_def.expand(mitem, in_items)
+    trait_def.expand(cx, mitem, in_items)
 }
 
 fn cs_clone(

src/libsyntax/ext/deriving/cmp/eq.rs

@@ -45,8 +45,7 @@ pub fn expand_deriving_eq(cx: &mut ExtCtxt,
     );
 
     let trait_def = TraitDef {
-        cx: cx, span: span,
-
+        span: span,
         path: Path::new(~["std", "cmp", "Eq"]),
         additional_bounds: ~[],
         generics: LifetimeBounds::empty(),
@@ -55,5 +54,5 @@ pub fn expand_deriving_eq(cx: &mut ExtCtxt,
             md!("ne", cs_ne)
         ]
     };
-    trait_def.expand(mitem, in_items)
+    trait_def.expand(cx, mitem, in_items)
 }

src/libsyntax/ext/deriving/cmp/ord.rs

@@ -35,8 +35,7 @@ pub fn expand_deriving_ord(cx: &mut ExtCtxt,
     );
 
     let trait_def = TraitDef {
-        cx: cx, span: span,
-
+        span: span,
         path: Path::new(~["std", "cmp", "Ord"]),
         additional_bounds: ~[],
         generics: LifetimeBounds::empty(),
@@ -47,7 +46,7 @@ pub fn expand_deriving_ord(cx: &mut ExtCtxt,
             md!("ge", false, true)
         ]
     };
-    trait_def.expand(mitem, in_items)
+    trait_def.expand(cx, mitem, in_items)
 }
 
 /// Strict inequality.

src/libsyntax/ext/deriving/cmp/totaleq.rs

@@ -24,8 +24,7 @@ pub fn expand_deriving_totaleq(cx: &mut ExtCtxt,
     }
 
     let trait_def = TraitDef {
-        cx: cx, span: span,
-
+        span: span,
         path: Path::new(~["std", "cmp", "TotalEq"]),
         additional_bounds: ~[],
         generics: LifetimeBounds::empty(),
@@ -42,5 +41,5 @@ pub fn expand_deriving_totaleq(cx: &mut ExtCtxt,
             }
         ]
     };
-    trait_def.expand(mitem, in_items)
+    trait_def.expand(cx, mitem, in_items)
 }

src/libsyntax/ext/deriving/cmp/totalord.rs

@@ -21,8 +21,7 @@ pub fn expand_deriving_totalord(cx: &mut ExtCtxt,
                                 mitem: @MetaItem,
                                 in_items: ~[@Item]) -> ~[@Item] {
     let trait_def = TraitDef {
-        cx: cx, span: span,
-
+        span: span,
         path: Path::new(~["std", "cmp", "TotalOrd"]),
         additional_bounds: ~[],
         generics: LifetimeBounds::empty(),
@@ -40,7 +39,7 @@ pub fn expand_deriving_totalord(cx: &mut ExtCtxt,
         ]
     };
 
-    trait_def.expand(mitem, in_items)
+    trait_def.expand(cx, mitem, in_items)
 }
 
 

src/libsyntax/ext/deriving/decodable.rs

@@ -26,8 +26,7 @@ pub fn expand_deriving_decodable(cx: &mut ExtCtxt,
                                  mitem: @MetaItem,
                                  in_items: ~[@Item]) -> ~[@Item] {
     let trait_def = TraitDef {
-        cx: cx, span: span,
-
+        span: span,
         path: Path::new_(~["serialize", "Decodable"], None,
                          ~[~Literal(Path::new_local("__D"))], true),
         additional_bounds: ~[],
@@ -50,7 +49,7 @@ pub fn expand_deriving_decodable(cx: &mut ExtCtxt,
         ]
     };
 
-    trait_def.expand(mitem, in_items)
+    trait_def.expand(cx, mitem, in_items)
 }
 
 fn decodable_substructure(cx: &mut ExtCtxt, trait_span: Span,

src/libsyntax/ext/deriving/default.rs

@@ -18,10 +18,9 @@ pub fn expand_deriving_default(cx: &mut ExtCtxt,
                             span: Span,
                             mitem: @MetaItem,
                             in_items: ~[@Item])
-    -> ~[@Item] {
+                               -> ~[@Item] {
     let trait_def = TraitDef {
-        cx: cx, span: span,
-
+        span: span,
         path: Path::new(~["std", "default", "Default"]),
         additional_bounds: ~[],
         generics: LifetimeBounds::empty(),
@@ -38,7 +37,7 @@ pub fn expand_deriving_default(cx: &mut ExtCtxt,
             },
         ]
     };
-    trait_def.expand(mitem, in_items)
+    trait_def.expand(cx, mitem, in_items)
 }
 
 fn default_substructure(cx: &mut ExtCtxt, trait_span: Span, substr: &Substructure) -> @Expr {

src/libsyntax/ext/deriving/encodable.rs

@@ -87,8 +87,7 @@ pub fn expand_deriving_encodable(cx: &mut ExtCtxt,
                                  mitem: @MetaItem,
                                  in_items: ~[@Item]) -> ~[@Item] {
     let trait_def = TraitDef {
-        cx: cx, span: span,
-
+        span: span,
         path: Path::new_(~["serialize", "Encodable"], None,
                          ~[~Literal(Path::new_local("__E"))], true),
         additional_bounds: ~[],
@@ -111,7 +110,7 @@ pub fn expand_deriving_encodable(cx: &mut ExtCtxt,
         ]
     };
 
-    trait_def.expand(mitem, in_items)
+    trait_def.expand(cx, mitem, in_items)
 }
 
 fn encodable_substructure(cx: &mut ExtCtxt, trait_span: Span,