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auto merge of #8476 : thestinger/rust/snapshot, r=brson

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bors 2013-08-12 20:29:22 -07:00
commit 44675ac6af
14 changed files with 24 additions and 748 deletions
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97
src/libextra/terminfo/parm.rs
View File

@ -475,103 +475,6 @@ impl FormatOp {
}
}
#[cfg(stage0)]
fn format(val: Param, op: FormatOp, flags: Flags) -> Result<~[u8],~str> {
let mut s = match val {
Number(d) => {
match op {
FormatString => {
return Err(~"non-number on stack with %s")
}
_ => {
let radix = match op {
FormatDigit => 10,
FormatOctal => 8,
FormatHex|FormatHEX => 16,
FormatString => util::unreachable()
};
let mut s = ~[];
match op {
FormatDigit => {
let sign = if flags.sign { SignAll } else { SignNeg };
do int_to_str_bytes_common(d, radix, sign) |c| {
s.push(c);
}
}
_ => {
do int_to_str_bytes_common(d as uint, radix, SignNone) |c| {
s.push(c);
}
}
};
if flags.precision > s.len() {
let mut s_ = vec::with_capacity(flags.precision);
let n = flags.precision - s.len();
s_.grow(n, &('0' as u8));
s_.push_all_move(s);
s = s_;
}
assert!(!s.is_empty(), "string conversion produced empty result");
match op {
FormatDigit => {
if flags.space && !(s[0] == '-' as u8 || s[0] == '+' as u8) {
s.unshift(' ' as u8);
}
}
FormatOctal => {
if flags.alternate && s[0] != '0' as u8 {
s.unshift('0' as u8);
}
}
FormatHex => {
if flags.alternate {
let s_ = util::replace(&mut s, ~['0' as u8, 'x' as u8]);
s.push_all_move(s_);
}
}
FormatHEX => {
s = s.into_ascii().to_upper().into_bytes();
if flags.alternate {
let s_ = util::replace(&mut s, ~['0' as u8, 'X' as u8]);
s.push_all_move(s_);
}
}
FormatString => util::unreachable()
}
s
}
}
}
String(s) => {
match op {
FormatString => {
let mut s = s.as_bytes().to_owned();
if flags.precision > 0 && flags.precision < s.len() {
s.truncate(flags.precision);
}
s
}
_ => {
return Err(fmt!("non-string on stack with %%%c", op.to_char()))
}
}
}
};
if flags.width > s.len() {
let n = flags.width - s.len();
if flags.left {
s.grow(n, &(' ' as u8));
} else {
let mut s_ = vec::with_capacity(flags.width);
s_.grow(n, &(' ' as u8));
s_.push_all_move(s);
s = s_;
}
}
Ok(s)
}
#[cfg(not(stage0))]
fn format(val: Param, op: FormatOp, flags: Flags) -> Result<~[u8],~str> {
let mut s = match val {
Number(d) => {

13
src/librustc/back/rpath.rs
View File

@ -130,19 +130,6 @@ pub fn get_absolute_rpath(lib: &Path) -> Path {
os::make_absolute(lib).dir_path()
}
#[cfg(stage0)]
pub fn get_install_prefix_rpath(target_triple: &str) -> Path {
let install_prefix = env!("CFG_PREFIX");
if install_prefix == "" {
fail!("rustc compiled without CFG_PREFIX environment variable");
}
let tlib = filesearch::relative_target_lib_path(target_triple);
os::make_absolute(&Path(install_prefix).push_rel(&tlib))
}
#[cfg(not(stage0))]
pub fn get_install_prefix_rpath(target_triple: &str) -> Path {
let install_prefix = env!("CFG_PREFIX");

19
src/librustc/driver/driver.rs
View File

@ -578,25 +578,6 @@ pub fn build_target_config(sopts: @session::options,
return target_cfg;
}
#[cfg(stage0)]
pub fn host_triple() -> ~str {
// Get the host triple out of the build environment. This ensures that our
// idea of the host triple is the same as for the set of libraries we've
// actually built. We can't just take LLVM's host triple because they
// normalize all ix86 architectures to i386.
//
// Instead of grabbing the host triple (for the current host), we grab (at
// compile time) the target triple that this rustc is built with and
// calling that (at runtime) the host triple.
let ht = env!("CFG_COMPILER_TRIPLE");
return if ht != "" {
ht.to_owned()
} else {
fail!("rustc built without CFG_COMPILER_TRIPLE")
};
}
#[cfg(not(stage0))]
pub fn host_triple() -> ~str {
// Get the host triple out of the build environment. This ensures that our
// idea of the host triple is the same as for the set of libraries we've

10
src/librustc/metadata/filesearch.rs
View File

@ -200,16 +200,6 @@ fn push_if_exists(vec: &mut ~[Path], p: &Path) {
// The name of the directory rustc expects libraries to be located.
// On Unix should be "lib", on windows "bin"
#[cfg(stage0)]
pub fn libdir() -> ~str {
let libdir = env!("CFG_LIBDIR");
if libdir.is_empty() {
fail!("rustc compiled without CFG_LIBDIR environment variable");
}
libdir.to_owned()
}
#[cfg(not(stage0))]
pub fn libdir() -> ~str {
(env!("CFG_LIBDIR")).to_owned()
}

10
src/librustc/rustc.rs
View File

@ -117,16 +117,6 @@ mod std {
}
*/
#[cfg(stage0)]
pub fn version(argv0: &str) {
let mut vers = ~"unknown version";
let env_vers = env!("CFG_VERSION");
if env_vers.len() != 0 { vers = env_vers.to_owned(); }
printfln!("%s %s", argv0, vers);
printfln!("host: %s", host_triple());
}
#[cfg(not(stage0))]
pub fn version(argv0: &str) {
let vers = match option_env!("CFG_VERSION") {
Some(vers) => vers,

10
src/libstd/cast.rs
View File

@ -165,20 +165,10 @@ mod tests {
}
}
#[cfg(stage0)]
#[test]
fn test_transmute2() {
unsafe {
assert_eq!(~[76u8, 0u8], transmute(~"L"));
}
}
#[cfg(not(stage0))]
#[test]
fn test_transmute2() {
unsafe {
assert_eq!(~[76u8], transmute(~"L"));
}
}
}

14
src/libstd/io.rs
View File

@ -1707,20 +1707,6 @@ pub fn with_bytes_writer(f: &fn(@Writer)) -> ~[u8] {
(*bytes).clone()
}
#[cfg(stage0)]
pub fn with_str_writer(f: &fn(@Writer)) -> ~str {
let mut v = with_bytes_writer(f);
// Make sure the vector has a trailing null and is proper utf8.
v.push(0);
assert!(str::is_utf8(v));
unsafe {
::cast::transmute(v)
}
}
#[cfg(not(stage0))]
pub fn with_str_writer(f: &fn(@Writer)) -> ~str {
str::from_bytes(with_bytes_writer(f))
}

51
src/libstd/num/num.rs
View File

@ -19,7 +19,6 @@ use cmp::{Eq, ApproxEq, Ord};
use ops::{Add, Sub, Mul, Div, Rem, Neg};
use ops::{Not, BitAnd, BitOr, BitXor, Shl, Shr};
use option::{Option, Some, None};
#[cfg(not(stage0))]
use unstable::intrinsics;
pub mod strconv;
@ -522,7 +521,6 @@ pub trait CheckedAdd: Add<Self, Self> {
fn checked_add(&self, v: &Self) -> Option<Self>;
}
#[cfg(not(stage0))]
impl CheckedAdd for i8 {
#[inline]
fn checked_add(&self, v: &i8) -> Option<i8> {
@ -533,7 +531,6 @@ impl CheckedAdd for i8 {
}
}
#[cfg(not(stage0))]
impl CheckedAdd for i16 {
#[inline]
fn checked_add(&self, v: &i16) -> Option<i16> {
@ -544,7 +541,6 @@ impl CheckedAdd for i16 {
}
}
#[cfg(not(stage0))]
impl CheckedAdd for i32 {
#[inline]
fn checked_add(&self, v: &i32) -> Option<i32> {
@ -555,7 +551,6 @@ impl CheckedAdd for i32 {
}
}
#[cfg(not(stage0))]
impl CheckedAdd for i64 {
#[inline]
fn checked_add(&self, v: &i64) -> Option<i64> {
@ -566,7 +561,7 @@ impl CheckedAdd for i64 {
}
}
#[cfg(not(stage0), target_word_size = "32")]
#[cfg(target_word_size = "32")]
impl CheckedAdd for int {
#[inline]
fn checked_add(&self, v: &int) -> Option<int> {
@ -577,7 +572,7 @@ impl CheckedAdd for int {
}
}
#[cfg(not(stage0), target_word_size = "64")]
#[cfg(target_word_size = "64")]
impl CheckedAdd for int {
#[inline]
fn checked_add(&self, v: &int) -> Option<int> {
@ -588,7 +583,6 @@ impl CheckedAdd for int {
}
}
#[cfg(not(stage0))]
impl CheckedAdd for u8 {
#[inline]
fn checked_add(&self, v: &u8) -> Option<u8> {
@ -599,7 +593,6 @@ impl CheckedAdd for u8 {
}
}
#[cfg(not(stage0))]
impl CheckedAdd for u16 {
#[inline]
fn checked_add(&self, v: &u16) -> Option<u16> {
@ -610,7 +603,6 @@ impl CheckedAdd for u16 {
}
}
#[cfg(not(stage0))]
impl CheckedAdd for u32 {
#[inline]
fn checked_add(&self, v: &u32) -> Option<u32> {
@ -621,7 +613,6 @@ impl CheckedAdd for u32 {
}
}
#[cfg(not(stage0))]
impl CheckedAdd for u64 {
#[inline]
fn checked_add(&self, v: &u64) -> Option<u64> {
@ -632,7 +623,7 @@ impl CheckedAdd for u64 {
}
}
#[cfg(not(stage0), target_word_size = "32")]
#[cfg(target_word_size = "32")]
impl CheckedAdd for uint {
#[inline]
fn checked_add(&self, v: &uint) -> Option<uint> {
@ -643,7 +634,7 @@ impl CheckedAdd for uint {
}
}
#[cfg(not(stage0), target_word_size = "64")]
#[cfg(target_word_size = "64")]
impl CheckedAdd for uint {
#[inline]
fn checked_add(&self, v: &uint) -> Option<uint> {
@ -658,7 +649,6 @@ pub trait CheckedSub: Sub<Self, Self> {
fn checked_sub(&self, v: &Self) -> Option<Self>;
}
#[cfg(not(stage0))]
impl CheckedSub for i8 {
#[inline]
fn checked_sub(&self, v: &i8) -> Option<i8> {
@ -669,7 +659,6 @@ impl CheckedSub for i8 {
}
}
#[cfg(not(stage0))]
impl CheckedSub for i16 {
#[inline]
fn checked_sub(&self, v: &i16) -> Option<i16> {
@ -680,7 +669,6 @@ impl CheckedSub for i16 {
}
}
#[cfg(not(stage0))]
impl CheckedSub for i32 {
#[inline]
fn checked_sub(&self, v: &i32) -> Option<i32> {
@ -691,7 +679,6 @@ impl CheckedSub for i32 {
}
}
#[cfg(not(stage0))]
impl CheckedSub for i64 {
#[inline]
fn checked_sub(&self, v: &i64) -> Option<i64> {
@ -702,7 +689,7 @@ impl CheckedSub for i64 {
}
}
#[cfg(not(stage0), target_word_size = "32")]
#[cfg(target_word_size = "32")]
impl CheckedSub for int {
#[inline]
fn checked_sub(&self, v: &int) -> Option<int> {
@ -713,7 +700,7 @@ impl CheckedSub for int {
}
}
#[cfg(not(stage0), target_word_size = "64")]
#[cfg(target_word_size = "64")]
impl CheckedSub for int {
#[inline]
fn checked_sub(&self, v: &int) -> Option<int> {
@ -724,7 +711,6 @@ impl CheckedSub for int {
}
}
#[cfg(not(stage0))]
impl CheckedSub for u8 {
#[inline]
fn checked_sub(&self, v: &u8) -> Option<u8> {
@ -735,7 +721,6 @@ impl CheckedSub for u8 {
}
}
#[cfg(not(stage0))]
impl CheckedSub for u16 {
#[inline]
fn checked_sub(&self, v: &u16) -> Option<u16> {
@ -746,7 +731,6 @@ impl CheckedSub for u16 {
}
}
#[cfg(not(stage0))]
impl CheckedSub for u32 {
#[inline]
fn checked_sub(&self, v: &u32) -> Option<u32> {
@ -757,7 +741,6 @@ impl CheckedSub for u32 {
}
}
#[cfg(not(stage0))]
impl CheckedSub for u64 {
#[inline]
fn checked_sub(&self, v: &u64) -> Option<u64> {
@ -768,7 +751,7 @@ impl CheckedSub for u64 {
}
}
#[cfg(not(stage0), target_word_size = "32")]
#[cfg(target_word_size = "32")]
impl CheckedSub for uint {
#[inline]
fn checked_sub(&self, v: &uint) -> Option<uint> {
@ -779,7 +762,7 @@ impl CheckedSub for uint {
}
}
#[cfg(not(stage0), target_word_size = "64")]
#[cfg(target_word_size = "64")]
impl CheckedSub for uint {
#[inline]
fn checked_sub(&self, v: &uint) -> Option<uint> {
@ -794,7 +777,6 @@ pub trait CheckedMul: Mul<Self, Self> {
fn checked_mul(&self, v: &Self) -> Option<Self>;
}
#[cfg(not(stage0))]
impl CheckedMul for i8 {
#[inline]
fn checked_mul(&self, v: &i8) -> Option<i8> {
@ -805,7 +787,6 @@ impl CheckedMul for i8 {
}
}
#[cfg(not(stage0))]
impl CheckedMul for i16 {
#[inline]
fn checked_mul(&self, v: &i16) -> Option<i16> {
@ -816,7 +797,6 @@ impl CheckedMul for i16 {
}
}
#[cfg(not(stage0))]
impl CheckedMul for i32 {
#[inline]
fn checked_mul(&self, v: &i32) -> Option<i32> {
@ -828,7 +808,7 @@ impl CheckedMul for i32 {
}
// FIXME: #8449: should not be disabled on 32-bit
#[cfg(not(stage0), target_word_size = "64")]
#[cfg(target_word_size = "64")]
impl CheckedMul for i64 {
#[inline]
fn checked_mul(&self, v: &i64) -> Option<i64> {
@ -839,7 +819,7 @@ impl CheckedMul for i64 {
}
}
#[cfg(not(stage0), target_word_size = "32")]
#[cfg(target_word_size = "32")]
impl CheckedMul for int {
#[inline]
fn checked_mul(&self, v: &int) -> Option<int> {
@ -850,7 +830,7 @@ impl CheckedMul for int {
}
}
#[cfg(not(stage0), target_word_size = "64")]
#[cfg(target_word_size = "64")]
impl CheckedMul for int {
#[inline]
fn checked_mul(&self, v: &int) -> Option<int> {
@ -861,7 +841,6 @@ impl CheckedMul for int {
}
}
#[cfg(not(stage0))]
impl CheckedMul for u8 {
#[inline]
fn checked_mul(&self, v: &u8) -> Option<u8> {
@ -872,7 +851,6 @@ impl CheckedMul for u8 {
}
}
#[cfg(not(stage0))]
impl CheckedMul for u16 {
#[inline]
fn checked_mul(&self, v: &u16) -> Option<u16> {
@ -883,7 +861,6 @@ impl CheckedMul for u16 {
}
}
#[cfg(not(stage0))]
impl CheckedMul for u32 {
#[inline]
fn checked_mul(&self, v: &u32) -> Option<u32> {
@ -895,7 +872,7 @@ impl CheckedMul for u32 {
}
// FIXME: #8449: should not be disabled on 32-bit
#[cfg(not(stage0), target_word_size = "64")]
#[cfg(target_word_size = "64")]
impl CheckedMul for u64 {
#[inline]
fn checked_mul(&self, v: &u64) -> Option<u64> {
@ -906,7 +883,7 @@ impl CheckedMul for u64 {
}
}
#[cfg(not(stage0), target_word_size = "32")]
#[cfg(target_word_size = "32")]
impl CheckedMul for uint {
#[inline]
fn checked_mul(&self, v: &uint) -> Option<uint> {
@ -917,7 +894,7 @@ impl CheckedMul for uint {
}
}
#[cfg(not(stage0), target_word_size = "64")]
#[cfg(target_word_size = "64")]
impl CheckedMul for uint {
#[inline]
fn checked_mul(&self, v: &uint) -> Option<uint> {

22
src/libstd/ptr.rs
View File

@ -309,15 +309,6 @@ impl<T> RawPtr<T> for *T {
/// Calculates the offset from a pointer. The offset *must* be in-bounds of
/// the object, or one-byte-past-the-end.
#[inline]
#[cfg(stage0)]
unsafe fn offset_inbounds(self, count: int) -> *T {
intrinsics::offset(self, count)
}
/// Calculates the offset from a pointer. The offset *must* be in-bounds of
/// the object, or one-byte-past-the-end.
#[inline]
#[cfg(not(stage0))]
unsafe fn offset_inbounds(self, count: int) -> *T {
intrinsics::offset_inbounds(self, count)
}
@ -361,19 +352,6 @@ impl<T> RawPtr<T> for *mut T {
/// This method should be preferred over `offset` when the guarantee can be
/// satisfied, to enable better optimization.
#[inline]
#[cfg(stage0)]
unsafe fn offset_inbounds(self, count: int) -> *mut T {
intrinsics::offset(self as *T, count) as *mut T
}
/// Calculates the offset from a pointer. The offset *must* be in-bounds of
/// the object, or one-byte-past-the-end. An arithmetic overflow is also
/// undefined behaviour.
///
/// This method should be preferred over `offset` when the guarantee can be
/// satisfied, to enable better optimization.
#[inline]
#[cfg(not(stage0))]
unsafe fn offset_inbounds(self, count: int) -> *mut T {
intrinsics::offset_inbounds(self as *T, count) as *mut T
}

24
src/libstd/repr.rs
View File

@ -158,18 +158,6 @@ impl ReprVisitor {
}
#[inline]
#[cfg(stage0)]
pub fn visit_ptr_inner(&self, ptr: *c_void, inner: *TyDesc) -> bool {
unsafe {
let u = ReprVisitor(ptr, self.writer);
let v = reflect::MovePtrAdaptor(u);
visit_tydesc(inner, @v as @TyVisitor);
true
}
}
#[inline]
#[cfg(not(stage0))]
pub fn visit_ptr_inner(&self, ptr: *c_void, inner: *TyDesc) -> bool {
unsafe {
let u = ReprVisitor(ptr, self.writer);
@ -568,18 +556,6 @@ impl TyVisitor for ReprVisitor {
fn visit_closure_ptr(&self, _ck: uint) -> bool { true }
}
#[cfg(stage0)]
pub fn write_repr<T>(writer: @Writer, object: &T) {
unsafe {
let ptr = ptr::to_unsafe_ptr(object) as *c_void;
let tydesc = get_tydesc::<T>();
let u = ReprVisitor(ptr, writer);
let v = reflect::MovePtrAdaptor(u);
visit_tydesc(tydesc, @v as @TyVisitor)
}
}
#[cfg(not(stage0))]
pub fn write_repr<T>(writer: @Writer, object: &T) {
unsafe {
let ptr = ptr::to_unsafe_ptr(object) as *c_void;

428
src/libstd/str.rs
View File

@ -33,8 +33,6 @@ use ptr;
use ptr::RawPtr;
use to_str::ToStr;
use uint;
#[cfg(stage0)]
use unstable::raw::Repr;
use vec;
use vec::{OwnedVector, OwnedCopyableVector, ImmutableVector, MutableVector};
@ -92,25 +90,6 @@ pub fn from_bytes_owned(vv: ~[u8]) -> ~str {
/// # Failure
///
/// Fails if invalid UTF-8
#[cfg(stage0)]
pub fn from_bytes_slice<'a>(vector: &'a [u8]) -> &'a str {
unsafe {
assert!(is_utf8(vector));
let mut s = vector.repr();
s.len += 1;
cast::transmute(s)
}
}
/// Converts a vector to a string slice without performing any allocations.
///
/// Once the slice has been validated as utf-8, it is transmuted in-place and
/// returned as a '&str' instead of a '&[u8]'
///
/// # Failure
///
/// Fails if invalid UTF-8
#[cfg(not(stage0))]
pub fn from_bytes_slice<'a>(v: &'a [u8]) -> &'a str {
assert!(is_utf8(v));
unsafe { cast::transmute(v) }
@ -134,18 +113,6 @@ impl ToStr for @str {
/// # Failure
///
/// Fails if invalid UTF-8
#[cfg(stage0)]
pub fn from_byte(b: u8) -> ~str {
assert!(b < 128u8);
unsafe { cast::transmute(~[b, 0u8]) }
}
/// Convert a byte to a UTF-8 string
///
/// # Failure
///
/// Fails if invalid UTF-8
#[cfg(not(stage0))]
pub fn from_byte(b: u8) -> ~str {
assert!(b < 128u8);
unsafe { ::cast::transmute(~[b]) }
@ -181,32 +148,6 @@ pub trait StrVector {
impl<'self, S: Str> StrVector for &'self [S] {
/// Concatenate a vector of strings.
#[cfg(stage0)]
pub fn concat(&self) -> ~str {
if self.is_empty() { return ~""; }
let len = self.iter().map(|s| s.as_slice().len()).sum();
let mut s = with_capacity(len);
unsafe {
do s.as_mut_buf |buf, _| {
let mut buf = buf;
for ss in self.iter() {
do ss.as_slice().as_imm_buf |ssbuf, sslen| {
let sslen = sslen - 1;
ptr::copy_memory(buf, ssbuf, sslen);
buf = buf.offset(sslen as int);
}
}
}
raw::set_len(&mut s, len);
}
s
}
/// Concatenate a vector of strings.
#[cfg(not(stage0))]
pub fn concat(&self) -> ~str {
if self.is_empty() { return ~""; }
@ -230,48 +171,6 @@ impl<'self, S: Str> StrVector for &'self [S] {
}
/// Concatenate a vector of strings, placing a given separator between each.
#[cfg(stage0)]
pub fn connect(&self, sep: &str) -> ~str {
if self.is_empty() { return ~""; }
// concat is faster
if sep.is_empty() { return self.concat(); }
// this is wrong without the guarantee that `self` is non-empty
let len = sep.len() * (self.len() - 1)
+ self.iter().map(|s| s.as_slice().len()).sum();
let mut s = ~"";
let mut first = true;
s.reserve(len);
unsafe {
do s.as_mut_buf |buf, _| {
do sep.as_imm_buf |sepbuf, seplen| {
let seplen = seplen - 1;
let mut buf = cast::transmute_mut_unsafe(buf);
for ss in self.iter() {
do ss.as_slice().as_imm_buf |ssbuf, sslen| {
let sslen = sslen - 1;
if first {
first = false;
} else {
ptr::copy_memory(buf, sepbuf, seplen);
buf = buf.offset(seplen as int);
}
ptr::copy_memory(buf, ssbuf, sslen);
buf = buf.offset(sslen as int);
}
}
}
}
raw::set_len(&mut s, len);
}
s
}
/// Concatenate a vector of strings, placing a given separator between each.
#[cfg(not(stage0))]
pub fn connect(&self, sep: &str) -> ~str {
if self.is_empty() { return ~""; }
@ -578,26 +477,7 @@ Section: Comparing strings
*/
/// Bytewise slice equality
#[cfg(not(test), stage0)]
#[lang="str_eq"]
#[inline]
pub fn eq_slice(a: &str, b: &str) -> bool {
do a.as_imm_buf |ap, alen| {
do b.as_imm_buf |bp, blen| {
if (alen != blen) { false }
else {
unsafe {
libc::memcmp(ap as *libc::c_void,
bp as *libc::c_void,
(alen - 1) as libc::size_t) == 0
}
}
}
}
}
/// Bytewise slice equality
#[cfg(not(test), not(stage0))]
#[cfg(not(test))]
#[lang="str_eq"]
#[inline]
pub fn eq_slice(a: &str, b: &str) -> bool {
@ -616,26 +496,7 @@ pub fn eq_slice(a: &str, b: &str) -> bool {
}
/// Bytewise slice equality
#[cfg(test, stage0)]
#[lang="str_eq"]
#[inline]
pub fn eq_slice(a: &str, b: &str) -> bool {
do a.as_imm_buf |ap, alen| {
do b.as_imm_buf |bp, blen| {
if (alen != blen) { false }
else {
unsafe {
libc::memcmp(ap as *libc::c_void,
bp as *libc::c_void,
(alen - 1) as libc::size_t) == 0
}
}
}
}
}
/// Bytewise slice equality
#[cfg(test, not(stage0))]
#[cfg(test)]
#[inline]
pub fn eq_slice(a: &str, b: &str) -> bool {
do a.as_imm_buf |ap, alen| {
@ -807,17 +668,6 @@ pub fn from_utf16(v: &[u16]) -> ~str {
/// Allocates a new string with the specified capacity. The string returned is
/// the empty string, but has capacity for much more.
#[cfg(stage0)]
#[inline]
pub fn with_capacity(capacity: uint) -> ~str {
let mut buf = ~"";
buf.reserve(capacity);
buf
}
/// Allocates a new string with the specified capacity. The string returned is
/// the empty string, but has capacity for much more.
#[cfg(not(stage0))]
#[inline]
pub fn with_capacity(capacity: uint) -> ~str {
unsafe {
@ -929,25 +779,8 @@ pub mod raw {
use vec;
use vec::MutableVector;
use unstable::raw::Slice;
#[cfg(stage0)]
use unstable::raw::String;
/// Create a Rust string from a *u8 buffer of the given length
#[cfg(stage0)]
pub unsafe fn from_buf_len(buf: *u8, len: uint) -> ~str {
let mut v: ~[u8] = vec::with_capacity(len + 1);
v.as_mut_buf(|vbuf, _len| {
ptr::copy_memory(vbuf, buf as *u8, len)
});
vec::raw::set_len(&mut v, len);
v.push(0u8);
assert!(is_utf8(v));
cast::transmute(v)
}
/// Create a Rust string from a *u8 buffer of the given length
#[cfg(not(stage0))]
pub unsafe fn from_buf_len(buf: *u8, len: uint) -> ~str {
let mut v: ~[u8] = vec::with_capacity(len);
do v.as_mut_buf |vbuf, _len| {
@ -987,15 +820,6 @@ pub mod raw {
/// Converts an owned vector of bytes to a new owned string. This assumes
/// that the utf-8-ness of the vector has already been validated
#[cfg(stage0)]
pub unsafe fn from_bytes_owned(mut v: ~[u8]) -> ~str {
v.push(0u8);
cast::transmute(v)
}
/// Converts an owned vector of bytes to a new owned string. This assumes
/// that the utf-8-ness of the vector has already been validated
#[cfg(not(stage0))]
#[inline]
pub unsafe fn from_bytes_owned(v: ~[u8]) -> ~str {
cast::transmute(v)
@ -1007,24 +831,6 @@ pub mod raw {
/// Form a slice from a C string. Unsafe because the caller must ensure the
/// C string has the static lifetime, or else the return value may be
/// invalidated later.
#[cfg(stage0)]
pub unsafe fn c_str_to_static_slice(s: *libc::c_char) -> &'static str {
let s = s as *u8;
let mut curr = s;
let mut len = 0u;
while *curr != 0u8 {
len += 1u;
curr = ptr::offset(s, len as int);
}
let v = Slice { data: s, len: len + 1 };
assert!(is_utf8(cast::transmute(v)));
cast::transmute(v)
}
/// Form a slice from a C string. Unsafe because the caller must ensure the
/// C string has the static lifetime, or else the return value may be
/// invalidated later.
#[cfg(not(stage0))]
pub unsafe fn c_str_to_static_slice(s: *libc::c_char) -> &'static str {
let s = s as *u8;
let mut curr = s;
@ -1046,29 +852,6 @@ pub mod raw {
///
/// If begin is greater than end.
/// If end is greater than the length of the string.
#[cfg(stage0)]
#[inline]
pub unsafe fn slice_bytes<'a>(s: &'a str, begin: uint, end: uint) -> &'a str {
do s.as_imm_buf |sbuf, n| {
assert!((begin <= end));
assert!((end <= n));
cast::transmute(Slice {
data: ptr::offset(sbuf, begin as int),
len: end - begin + 1,
})
}
}
/// Takes a bytewise (not UTF-8) slice from a string.
///
/// Returns the substring from [`begin`..`end`).
///
/// # Failure
///
/// If begin is greater than end.
/// If end is greater than the length of the string.
#[cfg(not(stage0))]
#[inline]
pub unsafe fn slice_bytes<'a>(s: &'a str, begin: uint, end: uint) -> &'a str {
do s.as_imm_buf |sbuf, n| {
@ -1083,18 +866,6 @@ pub mod raw {
}
/// Appends a byte to a string. (Not UTF-8 safe).
#[cfg(stage0)]
pub unsafe fn push_byte(s: &mut ~str, b: u8) {
let new_len = s.len() + 1;
s.reserve_at_least(new_len);
do s.as_mut_buf |buf, len| {
*ptr::mut_offset(buf, len as int) = b;
}
set_len(&mut *s, new_len);
}
/// Appends a byte to a string. (Not UTF-8 safe).
#[cfg(not(stage0))]
#[inline]
pub unsafe fn push_byte(s: &mut ~str, b: u8) {
let v: &mut ~[u8] = cast::transmute(s);
@ -1126,23 +897,11 @@ pub mod raw {
return b;
}
/// Sets the length of the string and adds the null terminator
#[cfg(stage0)]
#[inline]
pub unsafe fn set_len(v: &mut ~str, new_len: uint) {
let v: **mut String = cast::transmute(v);
let repr = *v;
(*repr).fill = new_len + 1u;
let null = ptr::mut_offset(&mut ((*repr).data), new_len as int);
*null = 0u8;
}
/// Sets the length of a string
///
/// This will explicitly set the size of the string, without actually
/// modifing its buffers, so it is up to the caller to ensure that
/// the string is actually the specified size.
#[cfg(not(stage0))]
#[inline]
pub unsafe fn set_len(s: &mut ~str, new_len: uint) {
let v: &mut ~[u8] = cast::transmute(s);
@ -1331,13 +1090,6 @@ impl<'self> Str for @str {
}
impl<'self> Container for &'self str {
#[cfg(stage0)]
#[inline]
fn len(&self) -> uint {
do self.as_imm_buf |_p, n| { n - 1u }
}
#[cfg(not(stage0))]
#[inline]
fn len(&self) -> uint {
do self.as_imm_buf |_p, n| { n }
@ -1815,26 +1567,6 @@ impl<'self> StrSlice<'self> for &'self str {
}
/// Copy a slice into a new unique str
#[cfg(stage0)]
#[inline]
fn to_owned(&self) -> ~str {
do self.as_imm_buf |src, len| {
assert!(len > 0);
unsafe {
let mut v = vec::with_capacity(len);
do v.as_mut_buf |dst, _| {
ptr::copy_memory(dst, src, len - 1);
}
vec::raw::set_len(&mut v, len - 1);
v.push(0u8);
::cast::transmute(v)
}
}
}
/// Copy a slice into a new unique str
#[cfg(not(stage0))]
#[inline]
fn to_owned(&self) -> ~str {
do self.as_imm_buf |src, len| {
@ -1850,16 +1582,6 @@ impl<'self> StrSlice<'self> for &'self str {
}
}
#[cfg(stage0)]
#[inline]
fn to_managed(&self) -> @str {
let v = at_vec::from_fn(self.len() + 1, |i| {
if i == self.len() { 0 } else { self[i] }
});
unsafe { cast::transmute(v) }
}
#[cfg(not(stage0))]
#[inline]
fn to_managed(&self) -> @str {
unsafe {
@ -2008,19 +1730,6 @@ impl<'self> StrSlice<'self> for &'self str {
/// Work with the byte buffer of a string as a byte slice.
///
/// The byte slice does not include the null terminator.
#[cfg(stage0)]
fn as_bytes(&self) -> &'self [u8] {
unsafe {
let mut slice = self.repr();
slice.len -= 1;
cast::transmute(slice)
}
}
/// Work with the byte buffer of a string as a byte slice.
///
/// The byte slice does not include the null terminator.
#[cfg(not(stage0))]
fn as_bytes(&self) -> &'self [u8] {
unsafe { cast::transmute(*self) }
}
@ -2091,30 +1800,6 @@ impl<'self> StrSlice<'self> for &'self str {
}
/// Given a string, make a new string with repeated copies of it.
#[cfg(stage0)]
fn repeat(&self, nn: uint) -> ~str {
do self.as_imm_buf |buf, len| {
// ignore the NULL terminator
let len = len - 1;
let mut ret = with_capacity(nn * len);
unsafe {
do ret.as_mut_buf |rbuf, _len| {
let mut rbuf = rbuf;
do nn.times {
ptr::copy_memory(rbuf, buf, len);
rbuf = rbuf.offset(len as int);
}
}
raw::set_len(&mut ret, nn * len);
}
ret
}
}
/// Given a string, make a new string with repeated copies of it.
#[cfg(not(stage0))]
fn repeat(&self, nn: uint) -> ~str {
do self.as_imm_buf |buf, len| {
let mut ret = with_capacity(nn * len);
@ -2250,8 +1935,6 @@ pub trait OwnedStr {
fn reserve(&mut self, n: uint);
fn reserve_at_least(&mut self, n: uint);
fn capacity(&self) -> uint;
#[cfg(stage0)]
fn to_bytes_with_null(self) -> ~[u8];
/// Work with the mutable byte buffer and length of a slice.
///
@ -2397,30 +2080,6 @@ impl OwnedStr for ~str {
///
/// * s - A string
/// * n - The number of bytes to reserve space for
#[cfg(stage0)]
#[inline]
pub fn reserve(&mut self, n: uint) {
unsafe {
let v: *mut ~[u8] = cast::transmute(self);
(*v).reserve(n + 1);
}
}
/// Reserves capacity for exactly `n` bytes in the given string, not including
/// the null terminator.
///
/// Assuming single-byte characters, the resulting string will be large
/// enough to hold a string of length `n`. To account for the null terminator,
/// the underlying buffer will have the size `n` + 1.
///
/// If the capacity for `s` is already equal to or greater than the requested
/// capacity, then no action is taken.
///
/// # Arguments
///
/// * s - A string
/// * n - The number of bytes to reserve space for
#[cfg(not(stage0))]
#[inline]
pub fn reserve(&mut self, n: uint) {
unsafe {
@ -2429,30 +2088,6 @@ impl OwnedStr for ~str {
}
}
/// Reserves capacity for at least `n` bytes in the given string, not including
/// the null terminator.
///
/// Assuming single-byte characters, the resulting string will be large
/// enough to hold a string of length `n`. To account for the null terminator,
/// the underlying buffer will have the size `n` + 1.
///
/// This function will over-allocate in order to amortize the allocation costs
/// in scenarios where the caller may need to repeatedly reserve additional
/// space.
///
/// If the capacity for `s` is already equal to or greater than the requested
/// capacity, then no action is taken.
///
/// # Arguments
///
/// * s - A string
/// * n - The number of bytes to reserve space for
#[cfg(stage0)]
#[inline]
fn reserve_at_least(&mut self, n: uint) {
self.reserve(uint::next_power_of_two(n + 1u) - 1u)
}
/// Reserves capacity for at least `n` bytes in the given string.
///
/// Assuming single-byte characters, the resulting string will be large
@ -2470,7 +2105,6 @@ impl OwnedStr for ~str {
///
/// * s - A string
/// * n - The number of bytes to reserve space for
#[cfg(not(stage0))]
#[inline]
fn reserve_at_least(&mut self, n: uint) {
self.reserve(uint::next_power_of_two(n))
@ -2478,17 +2112,6 @@ impl OwnedStr for ~str {
/// Returns the number of single-byte characters the string can hold without
/// reallocating
#[cfg(stage0)]
fn capacity(&self) -> uint {
let buf: &~[u8] = unsafe { cast::transmute(self) };
let vcap = buf.capacity();
assert!(vcap > 0u);
vcap - 1u
}
/// Returns the number of single-byte characters the string can hold without
/// reallocating
#[cfg(not(stage0))]
fn capacity(&self) -> uint {
unsafe {
let buf: &~[u8] = cast::transmute(self);
@ -2496,14 +2119,6 @@ impl OwnedStr for ~str {
}
}
/// Convert to a vector of bytes. This does not allocate a new
/// string, and includes the null terminator.
#[cfg(stage0)]
#[inline]
fn to_bytes_with_null(self) -> ~[u8] {
unsafe { cast::transmute(self) }
}
#[inline]
fn as_mut_buf<T>(&mut self, f: &fn(*mut u8, uint) -> T) -> T {
let v: &mut ~[u8] = unsafe { cast::transmute(self) };
@ -3208,45 +2823,6 @@ mod tests {
assert_eq!("ศไทย中华Việt Nam".as_bytes(), v);
}
#[cfg(stage0)]
#[test]
#[ignore(cfg(windows))]
#[should_fail]
fn test_as_bytes_fail() {
// Don't double free. (I'm not sure if this exercises the
// original problem code path anymore.)
let s = ~"";
let _bytes = s.as_bytes();
fail!();
}
#[cfg(stage0)]
#[test]
#[ignore(cfg(windows))]
#[should_fail]
fn test_as_bytes_fail() {
// Don't double free. (I'm not sure if this exercises the
// original problem code path anymore.)
let s = ~"";
let _bytes = s.as_bytes_with_null();
fail!();
}
#[cfg(stage0)]
#[test]
fn test_to_bytes_with_null() {
let s = ~"ศไทย中华Việt Nam";
let v = ~[
224, 184, 168, 224, 185, 132, 224, 184, 151, 224, 184, 162, 228,
184, 173, 229, 141, 142, 86, 105, 225, 187, 135, 116, 32, 78, 97,
109, 0
];
assert_eq!((~"").to_bytes_with_null(), ~[0]);
assert_eq!((~"abc").to_bytes_with_null(),
~['a' as u8, 'b' as u8, 'c' as u8, 0]);
assert_eq!(s.to_bytes_with_null(), v);
}
#[test]
#[ignore(cfg(windows))]
#[should_fail]

37
src/libstd/str/ascii.rs
View File

@ -19,8 +19,6 @@ use cast;
use ptr;
use iterator::Iterator;
use vec::{CopyableVector, ImmutableVector};
#[cfg(stage0)]
use vec::OwnedVector;
use to_bytes::IterBytes;
use option::{Some, None};
@ -105,14 +103,6 @@ impl<'self> AsciiCast<&'self [Ascii]> for &'self str {
unsafe { self.to_ascii_nocheck() }
}
#[cfg(stage0)]
#[inline]
unsafe fn to_ascii_nocheck(&self) -> &'self [Ascii] {
let (p,len): (*u8, uint) = cast::transmute(*self);
cast::transmute((p, len - 1))
}
#[cfg(not(stage0))]
#[inline]
unsafe fn to_ascii_nocheck(&self) -> &'self [Ascii] {
cast::transmute(*self)
@ -190,15 +180,6 @@ impl OwnedAsciiCast for ~str {
unsafe {self.into_ascii_nocheck()}
}
#[cfg(stage0)]
#[inline]
unsafe fn into_ascii_nocheck(self) -> ~[Ascii] {
let mut r: ~[Ascii] = cast::transmute(self);
r.pop();
r
}
#[cfg(not(stage0))]
#[inline]
unsafe fn into_ascii_nocheck(self) -> ~[Ascii] {
cast::transmute(self)
@ -221,15 +202,6 @@ pub trait AsciiStr {
}
impl<'self> AsciiStr for &'self [Ascii] {
#[cfg(stage0)]
#[inline]
fn to_str_ascii(&self) -> ~str {
let mut cpy = self.to_owned();
cpy.push(0u8.to_ascii());
unsafe { cast::transmute(cpy) }
}
#[cfg(not(stage0))]
#[inline]
fn to_str_ascii(&self) -> ~str {
let cpy = self.to_owned();
@ -253,15 +225,6 @@ impl<'self> AsciiStr for &'self [Ascii] {
}
impl ToStrConsume for ~[Ascii] {
#[cfg(stage0)]
#[inline]
fn into_str(self) -> ~str {
let mut cpy = self;
cpy.push(0u8.to_ascii());
unsafe { cast::transmute(cpy) }
}
#[cfg(not(stage0))]
#[inline]
fn into_str(self) -> ~str {
unsafe { cast::transmute(self) }

29
src/libstd/unstable/intrinsics.rs
View File

@ -328,10 +328,6 @@ extern "rust-intrinsic" {
/// Returns `true` if a type is managed (will be allocated on the local heap)
pub fn contains_managed<T>() -> bool;
#[cfg(stage0)]
pub fn visit_tydesc(td: *TyDesc, tv: @TyVisitor);
#[cfg(not(stage0))]
pub fn visit_tydesc(td: *TyDesc, tv: &TyVisitor);
pub fn frame_address(f: &once fn(*u8));
@ -351,7 +347,6 @@ extern "rust-intrinsic" {
///
/// This intrinsic should be preferred over `offset` when the guarantee can
/// be satisfied, to enable better optimization.
#[cfg(not(stage0))]
pub fn offset_inbounds<T>(dst: *T, offset: int) -> *T;
/// Equivalent to the `llvm.memcpy.p0i8.0i8.i32` intrinsic, with a size of
@ -451,58 +446,34 @@ extern "rust-intrinsic" {
pub fn bswap32(x: i32) -> i32;
pub fn bswap64(x: i64) -> i64;
#[cfg(not(stage0))]
pub fn i8_add_with_overflow(x: i8, y: i8) -> (i8, bool);
#[cfg(not(stage0))]
pub fn i16_add_with_overflow(x: i16, y: i16) -> (i16, bool);
#[cfg(not(stage0))]
pub fn i32_add_with_overflow(x: i32, y: i32) -> (i32, bool);
#[cfg(not(stage0))]
pub fn i64_add_with_overflow(x: i64, y: i64) -> (i64, bool);
#[cfg(not(stage0))]
pub fn u8_add_with_overflow(x: u8, y: u8) -> (u8, bool);
#[cfg(not(stage0))]
pub fn u16_add_with_overflow(x: u16, y: u16) -> (u16, bool);
#[cfg(not(stage0))]
pub fn u32_add_with_overflow(x: u32, y: u32) -> (u32, bool);
#[cfg(not(stage0))]
pub fn u64_add_with_overflow(x: u64, y: u64) -> (u64, bool);
#[cfg(not(stage0))]
pub fn i8_sub_with_overflow(x: i8, y: i8) -> (i8, bool);
#[cfg(not(stage0))]
pub fn i16_sub_with_overflow(x: i16, y: i16) -> (i16, bool);
#[cfg(not(stage0))]
pub fn i32_sub_with_overflow(x: i32, y: i32) -> (i32, bool);
#[cfg(not(stage0))]
pub fn i64_sub_with_overflow(x: i64, y: i64) -> (i64, bool);
#[cfg(not(stage0))]
pub fn u8_sub_with_overflow(x: u8, y: u8) -> (u8, bool);
#[cfg(not(stage0))]
pub fn u16_sub_with_overflow(x: u16, y: u16) -> (u16, bool);
#[cfg(not(stage0))]
pub fn u32_sub_with_overflow(x: u32, y: u32) -> (u32, bool);
#[cfg(not(stage0))]
pub fn u64_sub_with_overflow(x: u64, y: u64) -> (u64, bool);
#[cfg(not(stage0))]
pub fn i8_mul_with_overflow(x: i8, y: i8) -> (i8, bool);
#[cfg(not(stage0))]
pub fn i16_mul_with_overflow(x: i16, y: i16) -> (i16, bool);
#[cfg(not(stage0))]
pub fn i32_mul_with_overflow(x: i32, y: i32) -> (i32, bool);
#[cfg(not(stage0))]
pub fn i64_mul_with_overflow(x: i64, y: i64) -> (i64, bool);
#[cfg(not(stage0))]
pub fn u8_mul_with_overflow(x: u8, y: u8) -> (u8, bool);
#[cfg(not(stage0))]
pub fn u16_mul_with_overflow(x: u16, y: u16) -> (u16, bool);
#[cfg(not(stage0))]
pub fn u32_mul_with_overflow(x: u32, y: u32) -> (u32, bool);
#[cfg(not(stage0))]
pub fn u64_mul_with_overflow(x: u64, y: u64) -> (u64, bool);
}

8
src/snapshots.txt
View File

@ -1,3 +1,11 @@
S 2013-08-12 ecfc9a8
freebsd-x86_64 ae903580d6328b8517dc64b013c1b0740bfa4e83
linux-i386 3076bf032ce980157a894a0a4446902ba8b1783d
linux-x86_64 241090d135e1ce95f0b17a198c194d29cd917bb1
macos-i386 15a749ed891bfaad9515d01391fbcd1788d9adc6
macos-x86_64 037e007d82dffdf3c8dfddaa6837ace821a1d3d5
winnt-i386 d1272610ac2b7b938a5d992b61947aed7e4ebc3d
S 2013-08-03 18e3db7
freebsd-x86_64 addf91b20416bf21a7c53ea9508bc302ec957ce9
linux-i386 ce103c323c0a0b75d1307014f1d6f8ff4d03c873