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Bug 1336607 - Update vendored Rust sources to include geckolib dependencies; r=froydnj

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MozReview-Commit-ID: BOgu41N351y
This commit is contained in:
Manish Goregaokar
2017-02-10 12:19:18 -08:00
parent 461732809c
commit b4ab990a0d
1223 changed files with 219046 additions and 635130 deletions
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361
third_party/rust/unicode-segmentation/scripts/unicode.py vendored Executable file
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#!/usr/bin/env python
#
# Copyright 2011-2015 The Rust Project Developers. See the COPYRIGHT
# file at the top-level directory of this distribution and at
# http://rust-lang.org/COPYRIGHT.
#
# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
# option. This file may not be copied, modified, or distributed
# except according to those terms.
# This script uses the following Unicode tables:
# - DerivedCoreProperties.txt
# - auxiliary/GraphemeBreakProperty.txt
# - auxiliary/WordBreakProperty.txt
# - ReadMe.txt
# - UnicodeData.txt
#
# Since this should not require frequent updates, we just store this
# out-of-line and check the unicode.rs file into git.
import fileinput, re, os, sys, operator
preamble = '''// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// NOTE: The following code was generated by "scripts/unicode.py", do not edit directly
#![allow(missing_docs, non_upper_case_globals, non_snake_case)]
'''
# Mapping taken from Table 12 from:
# http://www.unicode.org/reports/tr44/#General_Category_Values
expanded_categories = {
'Lu': ['LC', 'L'], 'Ll': ['LC', 'L'], 'Lt': ['LC', 'L'],
'Lm': ['L'], 'Lo': ['L'],
'Mn': ['M'], 'Mc': ['M'], 'Me': ['M'],
'Nd': ['N'], 'Nl': ['N'], 'No': ['No'],
'Pc': ['P'], 'Pd': ['P'], 'Ps': ['P'], 'Pe': ['P'],
'Pi': ['P'], 'Pf': ['P'], 'Po': ['P'],
'Sm': ['S'], 'Sc': ['S'], 'Sk': ['S'], 'So': ['S'],
'Zs': ['Z'], 'Zl': ['Z'], 'Zp': ['Z'],
'Cc': ['C'], 'Cf': ['C'], 'Cs': ['C'], 'Co': ['C'], 'Cn': ['C'],
}
# these are the surrogate codepoints, which are not valid rust characters
surrogate_codepoints = (0xd800, 0xdfff)
def is_surrogate(n):
return surrogate_codepoints[0] <= n <= surrogate_codepoints[1]
def fetch(f):
if not os.path.exists(os.path.basename(f)):
os.system("curl -O http://www.unicode.org/Public/UNIDATA/%s"
% f)
if not os.path.exists(os.path.basename(f)):
sys.stderr.write("cannot load %s" % f)
exit(1)
def load_gencats(f):
fetch(f)
gencats = {}
udict = {};
range_start = -1;
for line in fileinput.input(f):
data = line.split(';');
if len(data) != 15:
continue
cp = int(data[0], 16);
if is_surrogate(cp):
continue
if range_start >= 0:
for i in xrange(range_start, cp):
udict[i] = data;
range_start = -1;
if data[1].endswith(", First>"):
range_start = cp;
continue;
udict[cp] = data;
for code in udict:
[code_org, name, gencat, combine, bidi,
decomp, deci, digit, num, mirror,
old, iso, upcase, lowcase, titlecase ] = udict[code];
# place letter in categories as appropriate
for cat in [gencat, "Assigned"] + expanded_categories.get(gencat, []):
if cat not in gencats:
gencats[cat] = []
gencats[cat].append(code)
gencats = group_cats(gencats)
return gencats
def group_cats(cats):
cats_out = {}
for cat in cats:
cats_out[cat] = group_cat(cats[cat])
return cats_out
def group_cat(cat):
cat_out = []
letters = sorted(set(cat))
cur_start = letters.pop(0)
cur_end = cur_start
for letter in letters:
assert letter > cur_end, \
"cur_end: %s, letter: %s" % (hex(cur_end), hex(letter))
if letter == cur_end + 1:
cur_end = letter
else:
cat_out.append((cur_start, cur_end))
cur_start = cur_end = letter
cat_out.append((cur_start, cur_end))
return cat_out
def ungroup_cat(cat):
cat_out = []
for (lo, hi) in cat:
while lo <= hi:
cat_out.append(lo)
lo += 1
return cat_out
def format_table_content(f, content, indent):
line = " "*indent
first = True
for chunk in content.split(","):
if len(line) + len(chunk) < 98:
if first:
line += chunk
else:
line += ", " + chunk
first = False
else:
f.write(line + ",\n")
line = " "*indent + chunk
f.write(line)
def load_properties(f, interestingprops):
fetch(f)
props = {}
re1 = re.compile("^ *([0-9A-F]+) *; *(\w+)")
re2 = re.compile("^ *([0-9A-F]+)\.\.([0-9A-F]+) *; *(\w+)")
for line in fileinput.input(os.path.basename(f)):
prop = None
d_lo = 0
d_hi = 0
m = re1.match(line)
if m:
d_lo = m.group(1)
d_hi = m.group(1)
prop = m.group(2)
else:
m = re2.match(line)
if m:
d_lo = m.group(1)
d_hi = m.group(2)
prop = m.group(3)
else:
continue
if interestingprops and prop not in interestingprops:
continue
d_lo = int(d_lo, 16)
d_hi = int(d_hi, 16)
if prop not in props:
props[prop] = []
props[prop].append((d_lo, d_hi))
# optimize if possible
for prop in props:
props[prop] = group_cat(ungroup_cat(props[prop]))
return props
def escape_char(c):
return "'\\u{%x}'" % c
def emit_table(f, name, t_data, t_type = "&'static [(char, char)]", is_pub=True,
pfun=lambda x: "(%s,%s)" % (escape_char(x[0]), escape_char(x[1])), is_const=True):
pub_string = "const"
if not is_const:
pub_string = "let"
if is_pub:
pub_string = "pub " + pub_string
f.write(" %s %s: %s = &[\n" % (pub_string, name, t_type))
data = ""
first = True
for dat in t_data:
if not first:
data += ","
first = False
data += pfun(dat)
format_table_content(f, data, 8)
f.write("\n ];\n\n")
def emit_util_mod(f):
f.write("""
pub mod util {
#[inline]
pub fn bsearch_range_table(c: char, r: &'static [(char,char)]) -> bool {
use core::cmp::Ordering::{Equal, Less, Greater};
r.binary_search_by(|&(lo,hi)| {
if lo <= c && c <= hi { Equal }
else if hi < c { Less }
else { Greater }
}).is_ok()
}
#[inline]
fn is_alphabetic(c: char) -> bool {
match c {
'a' ... 'z' | 'A' ... 'Z' => true,
c if c > '\x7f' => super::derived_property::Alphabetic(c),
_ => false,
}
}
#[inline]
fn is_numeric(c: char) -> bool {
match c {
'0' ... '9' => true,
c if c > '\x7f' => super::general_category::N(c),
_ => false,
}
}
#[inline]
pub fn is_alphanumeric(c: char) -> bool {
is_alphabetic(c) || is_numeric(c)
}
}
""")
def emit_property_module(f, mod, tbl, emit):
f.write("mod %s {\n" % mod)
for cat in sorted(emit):
emit_table(f, "%s_table" % cat, tbl[cat], is_pub=False)
f.write(" #[inline]\n")
f.write(" pub fn %s(c: char) -> bool {\n" % cat)
f.write(" super::util::bsearch_range_table(c, %s_table)\n" % cat)
f.write(" }\n\n")
f.write("}\n\n")
def emit_break_module(f, break_table, break_cats, name):
Name = name.capitalize()
f.write("""pub mod %s {
use core::result::Result::{Ok, Err};
pub use self::%sCat::*;
#[allow(non_camel_case_types)]
#[derive(Clone, Copy, PartialEq, Eq)]
pub enum %sCat {
""" % (name, Name, Name))
break_cats.append("Any")
break_cats.sort()
for cat in break_cats:
f.write((" %sC_" % Name[0]) + cat + ",\n")
f.write(""" }
fn bsearch_range_value_table(c: char, r: &'static [(char, char, %sCat)]) -> %sCat {
use core::cmp::Ordering::{Equal, Less, Greater};
match r.binary_search_by(|&(lo, hi, _)| {
if lo <= c && c <= hi { Equal }
else if hi < c { Less }
else { Greater }
}) {
Ok(idx) => {
let (_, _, cat) = r[idx];
cat
}
Err(_) => %sC_Any
}
}
pub fn %s_category(c: char) -> %sCat {
bsearch_range_value_table(c, %s_cat_table)
}
""" % (Name, Name, Name[0], name, Name, name))
emit_table(f, "%s_cat_table" % name, break_table, "&'static [(char, char, %sCat)]" % Name,
pfun=lambda x: "(%s,%s,%sC_%s)" % (escape_char(x[0]), escape_char(x[1]), Name[0], x[2]),
is_pub=False, is_const=True)
f.write("}\n")
if __name__ == "__main__":
r = "tables.rs"
if os.path.exists(r):
os.remove(r)
with open(r, "w") as rf:
# write the file's preamble
rf.write(preamble)
# download and parse all the data
fetch("ReadMe.txt")
with open("ReadMe.txt") as readme:
pattern = "for Version (\d+)\.(\d+)\.(\d+) of the Unicode"
unicode_version = re.search(pattern, readme.read()).groups()
rf.write("""
/// The version of [Unicode](http://www.unicode.org/)
/// that this version of unicode-segmentation is based on.
pub const UNICODE_VERSION: (u64, u64, u64) = (%s, %s, %s);
""" % unicode_version)
gencats = load_gencats("UnicodeData.txt")
derived = load_properties("DerivedCoreProperties.txt", ["Alphabetic"])
emit_util_mod(rf)
for (name, cat, pfuns) in ("general_category", gencats, ["N"]), \
("derived_property", derived, ["Alphabetic"]):
emit_property_module(rf, name, cat, pfuns)
### grapheme cluster module
# from http://www.unicode.org/reports/tr29/#Grapheme_Cluster_Break_Property_Values
grapheme_cats = load_properties("auxiliary/GraphemeBreakProperty.txt", [])
# Control
# Note 1:
# This category also includes Cs (surrogate codepoints), but Rust's `char`s are
# Unicode Scalar Values only, and surrogates are thus invalid `char`s.
# Thus, we have to remove Cs from the Control category
# Note 2:
# 0x0a and 0x0d (CR and LF) are not in the Control category for Graphemes.
# However, the Graphemes iterator treats these as a special case, so they
# should be included in grapheme_cats["Control"] for our implementation.
grapheme_cats["Control"] = group_cat(list(
(set(ungroup_cat(grapheme_cats["Control"]))
| set(ungroup_cat(grapheme_cats["CR"]))
| set(ungroup_cat(grapheme_cats["LF"])))
- set(ungroup_cat([surrogate_codepoints]))))
del(grapheme_cats["CR"])
del(grapheme_cats["LF"])
grapheme_table = []
for cat in grapheme_cats:
grapheme_table.extend([(x, y, cat) for (x, y) in grapheme_cats[cat]])
grapheme_table.sort(key=lambda w: w[0])
emit_break_module(rf, grapheme_table, grapheme_cats.keys(), "grapheme")
rf.write("\n")
word_cats = load_properties("auxiliary/WordBreakProperty.txt", [])
word_table = []
for cat in word_cats:
word_table.extend([(x, y, cat) for (x, y) in word_cats[cat]])
word_table.sort(key=lambda w: w[0])
emit_break_module(rf, word_table, word_cats.keys(), "word")