auto merge of #9665 : alexcrichton/rust/snapshot, r=brson

Uses the new snapshots to kill the old `loop` and introduce the new `continue`.

Author: bors

src/libextra/base64.rs

@@ -200,7 +200,7 @@ impl<'self> FromBase64 for &'self str {
                 '0'..'9' => buf |= val + 0x04,
                 '+'|'-' => buf |= 0x3E,
                 '/'|'_' => buf |= 0x3F,
-                '\r'|'\n' => loop,
+                '\r'|'\n' => continue,
                 '=' => break,
                 _ => return Err(format!("Invalid character '{}' at position {}",
                                      self.char_at(idx), idx))

src/libextra/fileinput.rs

@@ -303,7 +303,7 @@ impl io::Reader for FileInput {
                     let b = r.read_byte();
 
                     if b < 0 {
-                        loop;
+                        continue;
                     }
 
                     if b == '\n' as int {

src/libextra/glob.rs

@@ -211,7 +211,7 @@ impl Pattern {
                                 let cs = parse_char_specifiers(chars.slice(i + 2, i + 3 + j));
                                 tokens.push(AnyExcept(cs));
                                 i += j + 4;
-                                loop;
+                                continue;
                             }
                         }
                     }
@@ -222,7 +222,7 @@ impl Pattern {
                                 let cs = parse_char_specifiers(chars.slice(i + 1, i + 2 + j));
                                 tokens.push(AnyWithin(cs));
                                 i += j + 3;
-                                loop;
+                                continue;
                             }
                         }
                     }

src/libextra/hex.rs

@@ -100,7 +100,7 @@ impl<'self> FromHex for &'self str {
                 '0'..'9' => buf |= byte - ('0' as u8),
                 ' '|'\r'|'\n'|'\t' => {
                     buf >>= 4;
-                    loop
+                    continue
                 }
                 _ => return Err(format!("Invalid character '{}' at position {}",
                                         self.char_at(idx), idx))

src/libextra/num/bigint.rs

@@ -413,7 +413,7 @@ impl Integer for BigUint {
                 }
                 if d0.is_zero() {
                     n = 2;
-                    loop;
+                    continue;
                 }
                 n = 1;
                 // FIXME(#6102): Assignment operator for BigInt causes ICE

src/libextra/priority_queue.rs

@@ -140,7 +140,7 @@ impl<T:Ord> PriorityQueue<T> {
                     let x = replace(&mut self.data[parent], init());
                     move_val_init(&mut self.data[pos], x);
                     pos = parent;
-                    loop
+                    continue
                 }
                 break
             }

src/libextra/terminfo/parser/compiled.rs

@@ -276,7 +276,7 @@ pub fn parse(file: @Reader, longnames: bool) -> Result<~TermInfo, ~str> {
         for (i, v) in string_offsets.iter().enumerate() {
             let offset = *v;
             if offset == 0xFFFF { // non-entry
-                loop;
+                continue;
             }
 
             let name = if snames[i] == "_" {
@@ -289,7 +289,7 @@ pub fn parse(file: @Reader, longnames: bool) -> Result<~TermInfo, ~str> {
                 // undocumented: FFFE indicates cap@, which means the capability is not present
                 // unsure if the handling for this is correct
                 string_map.insert(name.to_owned(), ~[]);
-                loop;
+                continue;
             }
 
 

src/libextra/url.rs

@@ -359,12 +359,12 @@ pub fn query_to_str(query: &Query) -> ~str {
 pub fn get_scheme(rawurl: &str) -> Result<(~str, ~str), ~str> {
     for (i,c) in rawurl.iter().enumerate() {
         match c {
-          'A' .. 'Z' | 'a' .. 'z' => loop,
+          'A' .. 'Z' | 'a' .. 'z' => continue,
           '0' .. '9' | '+' | '-' | '.' => {
             if i == 0 {
                 return Err(~"url: Scheme must begin with a letter.");
             }
-            loop;
+            continue;
           }
           ':' => {
             if i == 0 {
@@ -420,7 +420,7 @@ fn get_authority(rawurl: &str) ->
     let mut end = len;
 
     for (i,c) in rawurl.iter().enumerate() {
-        if i < 2 { loop; } // ignore the leading //
+        if i < 2 { continue; } // ignore the leading //
 
         // deal with input class first
         match c {
@@ -558,7 +558,7 @@ fn get_path(rawurl: &str, authority: bool) ->
           'A' .. 'Z' | 'a' .. 'z' | '0' .. '9' | '&' |'\'' | '(' | ')' | '.'
           | '@' | ':' | '%' | '/' | '+' | '!' | '*' | ',' | ';' | '='
           | '_' | '-' => {
-            loop;
+            continue;
           }
           '?' | '#' => {
             end = i;

src/librust/rust.rs

@@ -247,7 +247,7 @@ pub fn main() {
                     os::set_exit_status(exit_code);
                     return;
                 }
-                _ => loop
+                _ => {}
             }
         }
     }

src/librustc/back/link.rs

@@ -1004,7 +1004,7 @@ pub fn link_args(sess: Session,
     for cratepath in r.iter() {
         if cratepath.filetype() == Some(".rlib") {
             args.push(cratepath.to_str());
-            loop;
+            continue;
         }
         let dir = cratepath.dirname();
         if dir != ~"" { args.push(~"-L" + dir); }