mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-28 01:34:21 +00:00
Register snapshots
This commit is contained in:
Brian Anderson
parent
09dc38eda5
commit
145f66fdf0
@ -470,9 +470,6 @@ pub mod ct {
|
||||
// decisions made a runtime. If it proves worthwhile then some of these
|
||||
// conditions can be evaluated at compile-time. For now though it's cleaner to
|
||||
// implement it this way, I think.
|
||||
#[cfg(stage1)]
|
||||
#[cfg(stage2)]
|
||||
#[cfg(stage3)]
|
||||
#[doc(hidden)]
|
||||
pub mod rt {
|
||||
use float;
|
||||
@ -676,192 +673,6 @@ pub mod rt {
|
||||
}
|
||||
}
|
||||
|
||||
// XXX: remove after a snapshot of the above changes have gone in
|
||||
#[cfg(stage0)]
|
||||
#[doc(hidden)]
|
||||
pub mod rt {
|
||||
use float;
|
||||
use str;
|
||||
use sys;
|
||||
use uint;
|
||||
use vec;
|
||||
|
||||
pub static flag_none : u32 = 0u32;
|
||||
pub static flag_left_justify : u32 = 0b00000000000001u32;
|
||||
pub static flag_left_zero_pad : u32 = 0b00000000000010u32;
|
||||
pub static flag_space_for_sign : u32 = 0b00000000000100u32;
|
||||
pub static flag_sign_always : u32 = 0b00000000001000u32;
|
||||
pub static flag_alternate : u32 = 0b00000000010000u32;
|
||||
|
||||
pub enum Count { CountIs(uint), CountImplied, }
|
||||
|
||||
pub enum Ty { TyDefault, TyBits, TyHexUpper, TyHexLower, TyOctal, }
|
||||
|
||||
pub struct Conv {
|
||||
flags: u32,
|
||||
width: Count,
|
||||
precision: Count,
|
||||
ty: Ty,
|
||||
}
|
||||
|
||||
pub fn conv_int(cv: Conv, i: int) -> ~str {
|
||||
let radix = 10;
|
||||
let prec = get_int_precision(cv);
|
||||
let mut s : ~str = int_to_str_prec(i, radix, prec);
|
||||
if 0 <= i {
|
||||
if have_flag(cv.flags, flag_sign_always) {
|
||||
unsafe { str::unshift_char(&mut s, '+') };
|
||||
} else if have_flag(cv.flags, flag_space_for_sign) {
|
||||
unsafe { str::unshift_char(&mut s, ' ') };
|
||||
}
|
||||
}
|
||||
return unsafe { pad(cv, s, PadSigned) };
|
||||
}
|
||||
pub fn conv_uint(cv: Conv, u: uint) -> ~str {
|
||||
let prec = get_int_precision(cv);
|
||||
let mut rs =
|
||||
match cv.ty {
|
||||
TyDefault => uint_to_str_prec(u, 10, prec),
|
||||
TyHexLower => uint_to_str_prec(u, 16, prec),
|
||||
TyHexUpper => str::to_upper(uint_to_str_prec(u, 16, prec)),
|
||||
TyBits => uint_to_str_prec(u, 2, prec),
|
||||
TyOctal => uint_to_str_prec(u, 8, prec)
|
||||
};
|
||||
return unsafe { pad(cv, rs, PadUnsigned) };
|
||||
}
|
||||
pub fn conv_bool(cv: Conv, b: bool) -> ~str {
|
||||
let s = if b { ~"true" } else { ~"false" };
|
||||
// run the boolean conversion through the string conversion logic,
|
||||
// giving it the same rules for precision, etc.
|
||||
return conv_str(cv, s);
|
||||
}
|
||||
pub fn conv_char(cv: Conv, c: char) -> ~str {
|
||||
let mut s = str::from_char(c);
|
||||
return unsafe { pad(cv, s, PadNozero) };
|
||||
}
|
||||
pub fn conv_str(cv: Conv, s: &str) -> ~str {
|
||||
// For strings, precision is the maximum characters
|
||||
// displayed
|
||||
let mut unpadded = match cv.precision {
|
||||
CountImplied => s.to_owned(),
|
||||
CountIs(max) => if (max as uint) < str::char_len(s) {
|
||||
str::substr(s, 0, max as uint).to_owned()
|
||||
} else {
|
||||
s.to_owned()
|
||||
}
|
||||
};
|
||||
return unsafe { pad(cv, unpadded, PadNozero) };
|
||||
}
|
||||
pub fn conv_float(cv: Conv, f: float) -> ~str {
|
||||
let (to_str, digits) = match cv.precision {
|
||||
CountIs(c) => (float::to_str_exact, c as uint),
|
||||
CountImplied => (float::to_str_digits, 6u)
|
||||
};
|
||||
let mut s = unsafe { to_str(f, digits) };
|
||||
if 0.0 <= f {
|
||||
if have_flag(cv.flags, flag_sign_always) {
|
||||
s = ~"+" + s;
|
||||
} else if have_flag(cv.flags, flag_space_for_sign) {
|
||||
s = ~" " + s;
|
||||
}
|
||||
}
|
||||
return unsafe { pad(cv, s, PadFloat) };
|
||||
}
|
||||
pub fn conv_poly<T>(cv: Conv, v: &T) -> ~str {
|
||||
let s = sys::log_str(v);
|
||||
return conv_str(cv, s);
|
||||
}
|
||||
|
||||
// Convert an int to string with minimum number of digits. If precision is
|
||||
// 0 and num is 0 then the result is the empty string.
|
||||
pub fn int_to_str_prec(num: int, radix: uint, prec: uint) -> ~str {
|
||||
return if num < 0 {
|
||||
~"-" + uint_to_str_prec(-num as uint, radix, prec)
|
||||
} else { uint_to_str_prec(num as uint, radix, prec) };
|
||||
}
|
||||
|
||||
// Convert a uint to string with a minimum number of digits. If precision
|
||||
// is 0 and num is 0 then the result is the empty string. Could move this
|
||||
// to uint: but it doesn't seem all that useful.
|
||||
pub fn uint_to_str_prec(num: uint, radix: uint,
|
||||
prec: uint) -> ~str {
|
||||
return if prec == 0u && num == 0u {
|
||||
~""
|
||||
} else {
|
||||
let s = uint::to_str_radix(num, radix);
|
||||
let len = str::char_len(s);
|
||||
if len < prec {
|
||||
let diff = prec - len;
|
||||
let pad = str::from_chars(vec::from_elem(diff, '0'));
|
||||
pad + s
|
||||
} else { s }
|
||||
};
|
||||
}
|
||||
pub fn get_int_precision(cv: Conv) -> uint {
|
||||
return match cv.precision {
|
||||
CountIs(c) => c as uint,
|
||||
CountImplied => 1u
|
||||
};
|
||||
}
|
||||
|
||||
#[deriving(Eq)]
|
||||
pub enum PadMode { PadSigned, PadUnsigned, PadNozero, PadFloat }
|
||||
|
||||
pub fn pad(cv: Conv, s: ~str, mode: PadMode) -> ~str {
|
||||
let mut s = s; // sadtimes
|
||||
let uwidth : uint = match cv.width {
|
||||
CountImplied => return (s),
|
||||
CountIs(width) => { width as uint }
|
||||
};
|
||||
let strlen = str::char_len(s);
|
||||
if uwidth <= strlen { return (s); }
|
||||
let mut padchar = ' ';
|
||||
let diff = uwidth - strlen;
|
||||
if have_flag(cv.flags, flag_left_justify) {
|
||||
let padstr = str::from_chars(vec::from_elem(diff, padchar));
|
||||
return s + padstr;
|
||||
}
|
||||
let (might_zero_pad, signed) = match mode {
|
||||
PadNozero => (false, true),
|
||||
PadSigned => (true, true),
|
||||
PadFloat => (true, true),
|
||||
PadUnsigned => (true, false)
|
||||
};
|
||||
fn have_precision(cv: Conv) -> bool {
|
||||
return match cv.precision { CountImplied => false, _ => true };
|
||||
}
|
||||
let zero_padding = {
|
||||
if might_zero_pad && have_flag(cv.flags, flag_left_zero_pad) &&
|
||||
(!have_precision(cv) || mode == PadFloat) {
|
||||
padchar = '0';
|
||||
true
|
||||
} else {
|
||||
false
|
||||
}
|
||||
};
|
||||
let padstr = str::from_chars(vec::from_elem(diff, padchar));
|
||||
// This is completely heinous. If we have a signed value then
|
||||
// potentially rip apart the intermediate result and insert some
|
||||
// zeros. It may make sense to convert zero padding to a precision
|
||||
// instead.
|
||||
|
||||
if signed && zero_padding && s.len() > 0 {
|
||||
let head = str::shift_char(&mut s);
|
||||
if head == '+' || head == '-' || head == ' ' {
|
||||
let headstr = str::from_chars(vec::from_elem(1u, head));
|
||||
return headstr + padstr + s;
|
||||
}
|
||||
else {
|
||||
str::unshift_char(&mut s, head);
|
||||
}
|
||||
}
|
||||
return padstr + s;
|
||||
}
|
||||
pub fn have_flag(flags: u32, f: u32) -> bool {
|
||||
flags & f != 0
|
||||
}
|
||||
}
|
||||
|
||||
// Bulk of the tests are in src/test/run-pass/syntax-extension-fmt.rs
|
||||
#[cfg(test)]
|
||||
mod test {
|
||||
|
||||
@ -1,3 +1,11 @@
|
||||
S 2013-03-27 8c15409
|
||||
macos-x86_64 05eb3801b60056d95715c891d00c5d372e34d00c
|
||||
macos-i386 4119e3fa614fa86adf60ed0183d00db3ce6d0dbc
|
||||
linux-x86_64 e9308bade0e068bca4abe59ef4afe8c8bb7c134d
|
||||
linux-i386 bcb30ed1817df1a07588cde2fb0ccaf9ffad7efb
|
||||
winnt-i386 a16d409465e125bc6f779b45821ae1ea276c6bd4
|
||||
freebsd-x86_64 348192f348f03541549f4e2c97af78901d59ca6e
|
||||
|
||||
S 2013-03-21 ed25a67
|
||||
freebsd-x86_64 5f0b08839ae3d1207808f0d57cbfdb00eff9c883
|
||||
linux-i386 54765a17c6b6d04a7013cada2a51d190462979b8
|
||||
|
||||
Loading…
Reference in New Issue
Block a user