librustc: Modify all code to use new lifetime binder syntax

Author: pcwalton

doc/rust.md

@@ -1116,7 +1116,7 @@ static bit2: uint = 1 << 1;
 static bits: [uint, ..2] = [bit1, bit2];
 static string: &'static str = "bitstring";
 
-struct BitsNStrings {
+struct BitsNStrings<'self> {
     mybits: [uint, ..2],
     mystring: &'self str
 }

doc/tutorial-borrowed-ptr.md

@@ -485,7 +485,7 @@ For example, we could write a subroutine like this:
 
 ~~~
 struct Point {x: float, y: float}
-fn get_x(p: &'r Point) -> &'r float { &p.x }
+fn get_x<'r>(p: &'r Point) -> &'r float { &p.x }
 ~~~
 
 Here, the function `get_x()` returns a pointer into the structure it
@@ -571,8 +571,8 @@ function:
 #     Rectangle(Point, Size)  // upper-left, dimensions
 # }
 # fn compute_area(shape: &Shape) -> float { 0f }
-fn select<T>(shape: &'r Shape, threshold: float,
-             a: &'r T, b: &'r T) -> &'r T {
+fn select<'r, T>(shape: &'r Shape, threshold: float,
+                 a: &'r T, b: &'r T) -> &'r T {
     if compute_area(shape) > threshold {a} else {b}
 }
 ~~~
@@ -591,12 +591,12 @@ example:
 #     Rectangle(Point, Size)  // upper-left, dimensions
 # }
 # fn compute_area(shape: &Shape) -> float { 0f }
-# fn select<T>(shape: &Shape, threshold: float,
-#              a: &'r T, b: &'r T) -> &'r T {
+# fn select<'r, T>(shape: &Shape, threshold: float,
+#                  a: &'r T, b: &'r T) -> &'r T {
 #     if compute_area(shape) > threshold {a} else {b}
 # }
                                                      // -+ r
-fn select_based_on_unit_circle<T>(                   //  |-+ B
+fn select_based_on_unit_circle<'r, T>(               //  |-+ B
     threshold: float, a: &'r T, b: &'r T) -> &'r T { //  | |
                                                      //  | |
     let shape = Circle(Point {x: 0., y: 0.}, 1.);    //  | |
@@ -628,8 +628,8 @@ returned. Here is how the new `select()` might look:
 #     Rectangle(Point, Size)  // upper-left, dimensions
 # }
 # fn compute_area(shape: &Shape) -> float { 0f }
-fn select<T>(shape: &'tmp Shape, threshold: float,
-             a: &'r T, b: &'r T) -> &'r T {
+fn select<'r, 'tmp, T>(shape: &'tmp Shape, threshold: float,
+                       a: &'r T, b: &'r T) -> &'r T {
     if compute_area(shape) > threshold {a} else {b}
 }
 ~~~
@@ -647,8 +647,8 @@ concise to just omit the named lifetime for `shape` altogether:
 #     Rectangle(Point, Size)  // upper-left, dimensions
 # }
 # fn compute_area(shape: &Shape) -> float { 0f }
-fn select<T>(shape: &Shape, threshold: float,
-             a: &'r T, b: &'r T) -> &'r T {
+fn select<'r, T>(shape: &Shape, threshold: float,
+                 a: &'r T, b: &'r T) -> &'r T {
     if compute_area(shape) > threshold {a} else {b}
 }
 ~~~

src/libcore/at_vec.rs

@@ -174,7 +174,7 @@ pub mod traits {
     use kinds::Copy;
     use ops::Add;
 
-    impl<T:Copy> Add<&'self const [T],@[T]> for @[T] {
+    impl<'self,T:Copy> Add<&'self const [T],@[T]> for @[T] {
         #[inline(always)]
         fn add(&self, rhs: & &'self const [T]) -> @[T] {
             append(*self, (*rhs))

src/libcore/cast.rs

@@ -61,17 +61,19 @@ pub unsafe fn transmute<L, G>(thing: L) -> G {
 
 /// Coerce an immutable reference to be mutable.
 #[inline(always)]
-pub unsafe fn transmute_mut<T>(ptr: &'a T) -> &'a mut T { transmute(ptr) }
+pub unsafe fn transmute_mut<'a,T>(ptr: &'a T) -> &'a mut T { transmute(ptr) }
 
 /// Coerce a mutable reference to be immutable.
 #[inline(always)]
-pub unsafe fn transmute_immut<T>(ptr: &'a mut T) -> &'a T {
+pub unsafe fn transmute_immut<'a,T>(ptr: &'a mut T) -> &'a T {
     transmute(ptr)
 }
 
 /// Coerce a borrowed pointer to have an arbitrary associated region.
 #[inline(always)]
-pub unsafe fn transmute_region<T>(ptr: &'a T) -> &'b T { transmute(ptr) }
+pub unsafe fn transmute_region<'a,'b,T>(ptr: &'a T) -> &'b T {
+    transmute(ptr)
+}
 
 /// Coerce an immutable reference to be mutable.
 #[inline(always)]
@@ -87,19 +89,19 @@ pub unsafe fn transmute_immut_unsafe<T>(ptr: *const T) -> *T {
 
 /// Coerce a borrowed mutable pointer to have an arbitrary associated region.
 #[inline(always)]
-pub unsafe fn transmute_mut_region<T>(ptr: &'a mut T) -> &'b mut T {
+pub unsafe fn transmute_mut_region<'a,'b,T>(ptr: &'a mut T) -> &'b mut T {
     transmute(ptr)
 }
 
 /// Transforms lifetime of the second pointer to match the first.
 #[inline(always)]
-pub unsafe fn copy_lifetime<S,T>(_ptr: &'a S, ptr: &T) -> &'a T {
+pub unsafe fn copy_lifetime<'a,S,T>(_ptr: &'a S, ptr: &T) -> &'a T {
     transmute_region(ptr)
 }
 
 /// Transforms lifetime of the second pointer to match the first.
 #[inline(always)]
-pub unsafe fn copy_lifetime_vec<S,T>(_ptr: &'a [S], ptr: &T) -> &'a T {
+pub unsafe fn copy_lifetime_vec<'a,S,T>(_ptr: &'a [S], ptr: &T) -> &'a T {
     transmute_region(ptr)
 }
 

src/libcore/cleanup.rs

@@ -22,8 +22,8 @@ use cast::transmute;
  * NB: These must match the representation in the C++ runtime.
  */
 
-type DropGlue = &'self fn(**TypeDesc, *c_void);
-type FreeGlue = &'self fn(**TypeDesc, *c_void);
+type DropGlue<'self> = &'self fn(**TypeDesc, *c_void);
+type FreeGlue<'self> = &'self fn(**TypeDesc, *c_void);
 
 type TaskID = uintptr_t;
 

src/libcore/condition.rs

@@ -22,12 +22,12 @@ pub struct Handler<T, U> {
     prev: Option<@Handler<T, U>>,
 }
 
-pub struct Condition<T, U> {
+pub struct Condition<'self, T, U> {
     name: &'static str,
     key: task::local_data::LocalDataKey<'self, Handler<T, U>>
 }
 
-pub impl<T, U> Condition<'self, T, U> {
+pub impl<'self, T, U> Condition<'self, T, U> {
     fn trap(&self, h: &'self fn(T) -> U) -> Trap<'self, T, U> {
         unsafe {
             let p : *RustClosure = ::cast::transmute(&h);
@@ -66,12 +66,12 @@ pub impl<T, U> Condition<'self, T, U> {
     }
 }
 
-struct Trap<T, U> {
+struct Trap<'self, T, U> {
     cond: &'self Condition<'self, T, U>,
     handler: @Handler<T, U>
 }
 
-pub impl<T, U> Trap<'self, T, U> {
+pub impl<'self, T, U> Trap<'self, T, U> {
     fn in<V>(&self, inner: &'self fn() -> V) -> V {
         unsafe {
             let _g = Guard { cond: self.cond };
@@ -82,12 +82,12 @@ pub impl<T, U> Trap<'self, T, U> {
     }
 }
 
-struct Guard<T, U> {
+struct Guard<'self, T, U> {
     cond: &'self Condition<'self, T, U>
 }
 
 #[unsafe_destructor]
-impl<T, U> Drop for Guard<'self, T, U> {
+impl<'self, T, U> Drop for Guard<'self, T, U> {
     fn finalize(&self) {
         unsafe {
             debug!("Guard: popping handler from TLS");

src/libcore/gc.rs

@@ -124,7 +124,7 @@ unsafe fn is_safe_point(pc: *Word) -> Option<SafePoint> {
     return None;
 }
 
-type Visitor = &'self fn(root: **Word, tydesc: *Word) -> bool;
+type Visitor<'self> = &'self fn(root: **Word, tydesc: *Word) -> bool;
 
 // Walks the list of roots for the given safe point, and calls visitor
 // on each root.

src/libcore/hashmap.rs

@@ -278,9 +278,8 @@ pub mod linear {
         }
     }
 
-    impl<K:Hash + IterBytes + Eq,V>
-        BaseIter<(&'self K, &'self V)> for LinearMap<K, V>
-    {
+    impl<'self,K:Hash + IterBytes + Eq,V>
+            BaseIter<(&'self K, &'self V)> for LinearMap<K, V> {
         /// Visit all key-value pairs
         fn each(&self, blk: &fn(&(&'self K, &'self V)) -> bool) {
             for uint::range(0, self.buckets.len()) |i| {
@@ -315,7 +314,7 @@ pub mod linear {
         }
     }
 
-    impl<K:Hash + IterBytes + Eq,V> Map<K, V> for LinearMap<K, V> {
+    impl<'self,K:Hash + IterBytes + Eq,V> Map<K, V> for LinearMap<K, V> {
         /// Return true if the map contains a value for the specified key
         fn contains_key(&self, k: &K) -> bool {
             match self.bucket_for_key(k) {

src/libcore/io.rs

@@ -616,12 +616,12 @@ pub fn file_reader(path: &Path) -> Result<@Reader, ~str> {
 
 
 // Byte readers
-pub struct BytesReader {
+pub struct BytesReader<'self> {
     bytes: &'self [u8],
     mut pos: uint
 }
 
-impl Reader for BytesReader<'self> {
+impl<'self> Reader for BytesReader<'self> {
     fn read(&self, bytes: &mut [u8], len: uint) -> uint {
         let count = uint::min(len, self.bytes.len() - self.pos);
 

src/libcore/iter.rs

@@ -20,7 +20,7 @@ use option::{None, Option, Some};
 use vec;
 
 /// A function used to initialize the elements of a sequence
-pub type InitOp<T> = &'self fn(uint) -> T;
+pub type InitOp<'self,T> = &'self fn(uint) -> T;
 
 pub trait BaseIter<A> {
     fn each(&self, blk: &fn(v: &A) -> bool);