Switch machine-type lexemes to use suffixes. Remove support for foo(bar) as a cast notation. Closes #129.

src/test/run-pass/i32-sub.rs

@@ -1,8 +1,8 @@
 // -*- rust -*-
 
 fn main() {
-    let i32 x = i32(-400);
-    x = i32(0) - x;
-    check(x == i32(400));
+    let i32 x = -400_i32;
+    x = 0_i32 - x;
+    check(x == 400_i32);
 }
 

src/test/run-pass/i8-incr.rs

@@ -1,9 +1,9 @@
 // -*- rust -*-
 
 fn main() {
-  let i8 x = i8(-12);
-  let i8 y = i8(-12);
-  x = x + i8(1);
-  x = x - i8(1);
+  let i8 x = -12i8;
+  let i8 y = -12i8;
+  x = x + 1i8;
+  x = x - 1i8;
   check(x == y);
 }

src/test/run-pass/u32-decr.rs

@@ -1,8 +1,8 @@
 // -*- rust -*-
 
 fn main() {
-    let u32 word = (200000 as u32);
-    word = word - (1 as u32);
-    check(word == (199999 as u32));
+    let u32 word = (200000u32);
+    word = word - (1u32);
+    check(word == (199999u32));
 }
 

src/test/run-pass/u8-incr-decr.rs

@@ -4,9 +4,9 @@
 // in the rest of the generated code so they're easily grep-able.
 
 fn main() {
-  let u8 x = 19 as u8;  // 0x13
-  let u8 y = 35 as u8;  // 0x23
-  x = x + (7 as u8);    // 0x7
-  y = y - (9 as u8);    // 0x9
+  let u8 x = 19u8;  // 0x13
+  let u8 y = 35u8;  // 0x23
+  x = x + (7u8);    // 0x7
+  y = y - (9u8);    // 0x9
   check(x == y);
 }

src/test/run-pass/u8-incr.rs

@@ -1,12 +1,12 @@
 // -*- rust -*-
 
 fn main() {
-  let u8 x = 12 as u8;
-  let u8 y = 12 as u8;
-  x = x + (1 as u8);
-  x = x - (1 as u8);
+  let u8 x = 12u8;
+  let u8 y = 12u8;
+  x = x + (1u8);
+  x = x - (1u8);
   check(x == y);
-  //x = 14 as u8;
-  //x = x + 1 as u8;
+  // x = 14u8;
+  // x = x + 1u8;
 }