Fix implicit leaks of imports throughout libraries

Also touch up use of 'pub' and move some tests around so the tested functions
don't have to be 'pub'

Author: alexcrichton

src/libcore/hashmap.rs

@@ -10,14 +10,12 @@
 
 //! Sendable hash maps.
 
-use container::{Container, Mutable, Map, Set};
-use cmp::Eq;
-use hash::Hash;
-use to_bytes::IterBytes;
-
 /// Open addressing with linear probing.
 pub mod linear {
-    use super::*;
+    use container::{Container, Mutable, Map, Set};
+    use cmp::Eq;
+    use hash::Hash;
+    use to_bytes::IterBytes;
     use iter::BaseIter;
     use hash::Hash;
     use iter;
@@ -752,7 +750,8 @@ mod test_map {
 
 #[test]
 mod test_set {
-    use super::*;
+    use hashmap::linear;
+    use container::{Container, Mutable, Map, Set};
     use vec;
 
     #[test]

src/libcore/os.rs

@@ -1021,10 +1021,10 @@ extern {
 pub mod consts {
 
     #[cfg(unix)]
-    use os::consts::unix::*;
+    pub use os::consts::unix::*;
 
     #[cfg(windows)]
-    use os::consts::windows::*;
+    pub use os::consts::windows::*;
 
     pub mod unix {
         pub const FAMILY: &str = "unix";
@@ -1035,19 +1035,19 @@ pub mod consts {
     }
 
     #[cfg(target_os = "macos")]
-    use os::consts::macos::*;
+    pub use os::consts::macos::*;
 
     #[cfg(target_os = "freebsd")]
-    use os::consts::freebsd::*;
+    pub use os::consts::freebsd::*;
 
     #[cfg(target_os = "linux")]
-    use os::consts::linux::*;
+    pub use os::consts::linux::*;
 
     #[cfg(target_os = "android")]
-    use os::consts::android::*;
+    pub use os::consts::android::*;
 
     #[cfg(target_os = "win32")]
-    use os::consts::win32::*;
+    pub use os::consts::win32::*;
 
     pub mod macos {
         pub const SYSNAME: &str = "macos";
@@ -1086,13 +1086,13 @@ pub mod consts {
 
 
     #[cfg(target_arch = "x86")]
-    use os::consts::x86::*;
+    pub use os::consts::x86::*;
 
     #[cfg(target_arch = "x86_64")]
-    use os::consts::x86_64::*;
+    pub use os::consts::x86_64::*;
 
     #[cfg(target_arch = "arm")]
-    use os::consts::arm::*;
+    pub use os::consts::arm::*;
 
     pub mod x86 {
         pub const ARCH: &str = "x86";

src/libcore/str.rs

@@ -2375,6 +2375,7 @@ impl OwnedStr for ~str {
 #[cfg(test)]
 mod tests {
     use char;
+    use option::Some;
     use debug;
     use libc::c_char;
     use libc;

src/libcore/vec.rs

@@ -1444,7 +1444,7 @@ pub fn each2<U, T>(v1: &[U], v2: &[T], f: fn(u: &U, t: &T) -> bool) {
  * The total number of permutations produced is `len(v)!`.  If `v` contains
  * repeated elements, then some permutations are repeated.
  */
-pure fn each_permutation<T:Copy>(v: &[T], put: fn(ts: &[T]) -> bool) {
+pub pure fn each_permutation<T:Copy>(v: &[T], put: fn(ts: &[T]) -> bool) {
     let ln = len(v);
     if ln <= 1 {
         put(v);
@@ -2427,6 +2427,7 @@ impl<A:Copy> iter::CopyableNonstrictIter<A> for @[A] {
 mod tests {
     use option::{None, Option, Some};
     use option;
+    use sys;
     use vec::*;
 
     fn square(n: uint) -> uint { return n * n; }

src/librustc/middle/borrowck/mod.rs

@@ -230,6 +230,7 @@ use middle::liveness;
 use middle::mem_categorization::*;
 use middle::region;
 use middle::ty;
+use middle::typeck;
 use middle::moves;
 use util::common::{indenter, stmt_set};
 use util::ppaux::{expr_repr, note_and_explain_region};
@@ -239,6 +240,7 @@ use core::cmp;
 use core::dvec::DVec;
 use core::io;
 use core::result::{Result, Ok, Err};
+use core::to_bytes;
 use std::list::{List, Cons, Nil};
 use std::list;
 use std::oldmap::{HashMap, Set};

src/librustc/middle/trans/_match.rs

@@ -145,9 +145,10 @@
 use core::prelude::*;
 
 use back::abi;
-use lib::llvm::llvm;
-use lib::llvm::{ValueRef, BasicBlockRef};
+use lib;
+use lib::llvm::{llvm, ValueRef, BasicBlockRef};
 use middle::const_eval;
+use middle::borrowck::root_map_key;
 use middle::pat_util::*;
 use middle::resolve::DefMap;
 use middle::trans::base::*;
@@ -156,20 +157,26 @@ use middle::trans::callee;
 use middle::trans::common::*;
 use middle::trans::consts;
 use middle::trans::controlflow;
+use middle::trans::datum;
 use middle::trans::datum::*;
 use middle::trans::expr::Dest;
 use middle::trans::expr;
 use middle::trans::glue;
+use middle::trans::tvec;
+use middle::trans::type_of;
+use middle::ty;
 use util::common::indenter;
 
 use core::dvec::DVec;
 use core::dvec;
+use core::libc::c_ulonglong;
 use std::oldmap::HashMap;
 use syntax::ast::def_id;
 use syntax::ast;
-use syntax::ast_util::{dummy_sp, path_to_ident};
+use syntax::ast::ident;
+use syntax::ast_util::path_to_ident;
 use syntax::ast_util;
-use syntax::codemap::span;
+use syntax::codemap::{span, dummy_sp};
 use syntax::print::pprust::pat_to_str;
 
 // An option identifying a literal: either a unit-like struct or an

src/librustc/middle/trans/base.rs

@@ -44,6 +44,7 @@ use middle::borrowck::RootInfo;
 use middle::pat_util::*;
 use middle::resolve;
 use middle::trans::_match;
+use middle::trans::base;
 use middle::trans::build::*;
 use middle::trans::callee;
 use middle::trans::common::*;
@@ -56,12 +57,15 @@ use middle::trans::foreign;
 use middle::trans::glue;
 use middle::trans::inline;
 use middle::trans::machine;
+use middle::trans::machine::llsize_of;
 use middle::trans::meth;
 use middle::trans::monomorphize;
 use middle::trans::reachable;
 use middle::trans::shape::*;
 use middle::trans::tvec;
+use middle::trans::type_of;
 use middle::trans::type_of::*;
+use middle::ty;
 use middle::ty::arg;
 use util::common::indenter;
 use util::ppaux::{ty_to_str, ty_to_short_str};
@@ -77,6 +81,7 @@ use core::option;
 use core::uint;
 use std::oldmap::HashMap;
 use std::{oldmap, time, list};
+use syntax::ast::ident;
 use syntax::ast_map::{path, path_elt_to_str, path_mod, path_name};
 use syntax::ast_util::{def_id_of_def, local_def, path_to_ident};
 use syntax::attr;

src/librustc/middle/trans/build.rs

@@ -10,6 +10,7 @@
 
 
 use codemap::span;
+use lib;
 use lib::llvm::llvm;
 use lib::llvm::{CallConv, TypeKind, AtomicBinOp, AtomicOrdering};
 use lib::llvm::{Opcode, IntPredicate, RealPredicate, True, False};
@@ -18,9 +19,12 @@ use libc::{c_uint, c_int, c_ulonglong};
 use middle::trans::common::*;
 use middle::trans::machine::llsize_of_real;
 
+use core::prelude::*;
 use core::cast::transmute;
 use core::cast;
 use core::libc;
+use core::option::Some;
+use core::ptr;
 use core::str;
 use core::vec;
 use std::oldmap::HashMap;

src/librustc/middle/trans/cabi.rs

@@ -13,6 +13,10 @@ use middle::trans::base::*;
 use middle::trans::build::*;
 use middle::trans::common::*;
 
+use core::libc::c_uint;
+use core::option;
+use core::vec;
+
 pub trait ABIInfo {
     fn compute_info(&self,
                     atys: &[TypeRef],
@@ -28,7 +32,7 @@ pub struct LLVMType {
 pub struct FnType {
     arg_tys: ~[LLVMType],
     ret_ty: LLVMType,
-    attrs: ~[Option<Attribute>],
+    attrs: ~[option::Option<Attribute>],
     sret: bool
 }
 
@@ -93,7 +97,7 @@ pub impl FnType {
                       llargbundle: ValueRef, llretval: ValueRef) {
         for vec::eachi(self.attrs) |i, a| {
             match *a {
-                Some(attr) => {
+                option::Some(attr) => {
                     unsafe {
                         llvm::LLVMAddInstrAttribute(
                             llretval, (i + 1u) as c_uint,

src/librustc/middle/trans/cabi_x86_64.rs

@@ -18,6 +18,14 @@ use lib::llvm::struct_tys;
 use middle::trans::common::*;
 use middle::trans::cabi::*;
 
+use core::cmp;
+use core::libc::c_uint;
+use core::option;
+use core::option::Option;
+use core::ptr;
+use core::uint;
+use core::vec;
+
 enum x86_64_reg_class {
     no_class,
     integer_class,