Libc/os/run/rand/io reorganization. Close #1373. Close #1638.

 - Move io, run and rand to core.
 - Remove incorrect ctypes module (use libc).
 - Remove os-specific modules for os and fs.
 - Split fs between core::path and core::os.

8 files changed, 12 insertions, 22 deletions

diff --git a/src/rustc/syntax/ext/env.rs b/src/rustc/syntax/ext/env.rs
index cb9453ae062..c4ef1abc3e6 100644
--- a/src/rustc/syntax/ext/env.rs
+++ b/src/rustc/syntax/ext/env.rs
@@ -4,7 +4,6 @@
  * should all get sucked into either the compiler syntax extension plugin
  * interface.
  */
-import std::generic_os;
 import base::*;
 export expand_syntax_ext;
 
@@ -25,7 +24,7 @@ fn expand_syntax_ext(cx: ext_ctxt, sp: codemap::span, arg: ast::mac_arg,
     // option<str> rather than just an maybe-empty string.
 
     let var = expr_to_str(cx, args[0], "#env requires a string");
-    alt generic_os::getenv(var) {
+    alt os::getenv(var) {
       option::none { ret make_new_str(cx, sp, ""); }
       option::some(s) { ret make_new_str(cx, sp, s); }
     }
diff --git a/src/rustc/syntax/ext/log_syntax.rs b/src/rustc/syntax/ext/log_syntax.rs
index 911cf9ff2eb..23364adb744 100644
--- a/src/rustc/syntax/ext/log_syntax.rs
+++ b/src/rustc/syntax/ext/log_syntax.rs
@@ -1,12 +1,12 @@
 import base::*;
 import syntax::ast;
-import std::io::writer_util;
+import io::writer_util;
 
 fn expand_syntax_ext(cx: ext_ctxt, sp: codemap::span, arg: ast::mac_arg,
                      _body: ast::mac_body) -> @ast::expr {
     let arg = get_mac_arg(cx,sp,arg);
     cx.print_backtrace();
-    std::io::stdout().write_line(print::pprust::expr_to_str(arg));
+    io::stdout().write_line(print::pprust::expr_to_str(arg));
 
     //trivial expression
     ret @{id: cx.next_id(), node: ast::expr_rec([], option::none), span: sp};
diff --git a/src/rustc/syntax/ext/qquote.rs b/src/rustc/syntax/ext/qquote.rs
index 7f7d5a387f0..afcae2ff690 100644
--- a/src/rustc/syntax/ext/qquote.rs
+++ b/src/rustc/syntax/ext/qquote.rs
@@ -10,7 +10,7 @@ import syntax::parse::parser;
 import syntax::parse::parser::{parser, parse_from_source_str};
 
 import syntax::print::*;
-import std::io::*;
+import io::*;
 
 import codemap::span;
 
@@ -318,7 +318,7 @@ fn replace_ty(repls: [fragment],
 }
 
 fn print_expr(expr: @ast::expr) {
-    let stdout = std::io::stdout();
+    let stdout = io::stdout();
     let pp = pprust::rust_printer(stdout);
     pprust::print_expr(pp, expr);
     pp::eof(pp.s);
diff --git a/src/rustc/syntax/parse/eval.rs b/src/rustc/syntax/parse/eval.rs
index 06f26905550..57a91f4a32e 100644
--- a/src/rustc/syntax/parse/eval.rs
+++ b/src/rustc/syntax/parse/eval.rs
@@ -1,6 +1,4 @@
-
 import front::attr;
-import std::{io, fs};
 import syntax::ast;
 import syntax::parse::token;
 import syntax::parse::parser::{parser, new_parser_from_file,
@@ -53,7 +51,7 @@ fn parse_companion_mod(cx: ctx, prefix: str, suffix: option<str>)
 
     fn companion_file(prefix: str, suffix: option<str>) -> str {
         ret alt suffix {
-          option::some(s) { fs::connect(prefix, s) }
+          option::some(s) { path::connect(prefix, s) }
           option::none { prefix }
         } + ".rs";
     }
@@ -100,9 +98,9 @@ fn eval_crate_directive(cx: ctx, cdir: @ast::crate_directive, prefix: str,
       ast::cdir_src_mod(id, attrs) {
         let file_path = cdir_path_opt(id + ".rs", attrs);
         let full_path =
-            if std::fs::path_is_absolute(file_path) {
+            if path::path_is_absolute(file_path) {
                 file_path
-            } else { prefix + std::fs::path_sep() + file_path };
+            } else { prefix + path::path_sep() + file_path };
         let p0 =
             new_parser_from_file(cx.sess, cx.cfg, full_path, SOURCE_FILE);
         let inner_attrs = parse_inner_attrs_and_next(p0);
@@ -121,9 +119,9 @@ fn eval_crate_directive(cx: ctx, cdir: @ast::crate_directive, prefix: str,
       ast::cdir_dir_mod(id, cdirs, attrs) {
         let path = cdir_path_opt(id, attrs);
         let full_path =
-            if std::fs::path_is_absolute(path) {
+            if path::path_is_absolute(path) {
                 path
-            } else { prefix + std::fs::path_sep() + path };
+            } else { prefix + path::path_sep() + path };
         let (m0, a0) = eval_crate_directives_to_mod(
             cx, cdirs, full_path, none);
         let i =
diff --git a/src/rustc/syntax/parse/lexer.rs b/src/rustc/syntax/parse/lexer.rs
index 076706b396b..b1fbf1bf7a4 100644
--- a/src/rustc/syntax/parse/lexer.rs
+++ b/src/rustc/syntax/parse/lexer.rs
@@ -1,5 +1,3 @@
-
-import std::io;
 import io::reader_util;
 import util::interner;
 import util::interner::intern;
diff --git a/src/rustc/syntax/parse/parser.rs b/src/rustc/syntax/parse/parser.rs
index 1e60ef1fb8a..6fd61bc9db4 100644
--- a/src/rustc/syntax/parse/parser.rs
+++ b/src/rustc/syntax/parse/parser.rs
@@ -1,4 +1,3 @@
-import std::{io, fs};
 import either::{left, right};
 import std::map::{hashmap, new_str_hash};
 import token::can_begin_expr;
@@ -2771,7 +2770,7 @@ fn parse_crate_from_crate_file(input: str, cfg: ast::crate_cfg,
                                sess: parse_sess) -> @ast::crate {
     let p = new_parser_from_file(sess, cfg, input, CRATE_FILE);
     let lo = p.span.lo;
-    let prefix = std::fs::dirname(p.reader.filemap.name);
+    let prefix = path::dirname(p.reader.filemap.name);
     let leading_attrs = parse_inner_attrs_and_next(p);
     let crate_attrs = leading_attrs.inner;
     let first_cdir_attr = leading_attrs.next;
@@ -2782,7 +2781,7 @@ fn parse_crate_from_crate_file(input: str, cfg: ast::crate_cfg,
         @{p: p,
           sess: sess,
           cfg: p.cfg};
-    let (companionmod, _) = fs::splitext(fs::basename(input));
+    let (companionmod, _) = path::splitext(path::basename(input));
     let (m, attrs) = eval::eval_crate_directives_to_mod(
         cx, cdirs, prefix, option::some(companionmod));
     let hi = p.span.hi;
diff --git a/src/rustc/syntax/print/pp.rs b/src/rustc/syntax/print/pp.rs
index 0b55bb8c356..e5d295e1a60 100644
--- a/src/rustc/syntax/print/pp.rs
+++ b/src/rustc/syntax/print/pp.rs
@@ -1,5 +1,3 @@
-
-import std::io;
 import io::writer_util;
 
 /*
diff --git a/src/rustc/syntax/print/pprust.rs b/src/rustc/syntax/print/pprust.rs
index b02b374e527..ec592cda700 100644
--- a/src/rustc/syntax/print/pprust.rs
+++ b/src/rustc/syntax/print/pprust.rs
@@ -1,5 +1,3 @@
-
-import std::io;
 import parse::lexer;
 import syntax::codemap::codemap;
 import pp::{break_offset, word, printer,