mirror of
https://github.com/cloud-hypervisor/cloud-hypervisor.git
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d5f5648b37
We use cargo vendor to generate a .cargo/config file and the vendor directory. Vendoring allows us to lock our dependencies and to modify them easily from the top level Cargo.toml. We vendor all dependencies, including the crates.io ones, which allows for network isolated builds. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
188 lines
5.8 KiB
Python
Executable File
188 lines
5.8 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2011-2015 The Rust Project Developers. See the COPYRIGHT
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# file at the top-level directory of this distribution and at
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# http://rust-lang.org/COPYRIGHT.
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#
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# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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# option. This file may not be copied, modified, or distributed
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# except according to those terms.
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# This script uses the following Unicode tables:
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# - DerivedCoreProperties.txt
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# - ReadMe.txt
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#
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# Since this should not require frequent updates, we just store this
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# out-of-line and check the unicode.rs file into git.
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import fileinput, re, os, sys
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preamble = '''// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// NOTE: The following code was generated by "scripts/unicode.py", do not edit directly
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#![allow(missing_docs, non_upper_case_globals, non_snake_case)]
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'''
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def fetch(f):
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if not os.path.exists(os.path.basename(f)):
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os.system("curl -O http://www.unicode.org/Public/UNIDATA/%s"
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% f)
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if not os.path.exists(os.path.basename(f)):
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sys.stderr.write("cannot load %s" % f)
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exit(1)
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def group_cat(cat):
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cat_out = []
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letters = sorted(set(cat))
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cur_start = letters.pop(0)
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cur_end = cur_start
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for letter in letters:
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assert letter > cur_end, \
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"cur_end: %s, letter: %s" % (hex(cur_end), hex(letter))
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if letter == cur_end + 1:
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cur_end = letter
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else:
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cat_out.append((cur_start, cur_end))
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cur_start = cur_end = letter
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cat_out.append((cur_start, cur_end))
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return cat_out
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def ungroup_cat(cat):
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cat_out = []
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for (lo, hi) in cat:
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while lo <= hi:
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cat_out.append(lo)
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lo += 1
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return cat_out
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def format_table_content(f, content, indent):
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line = " "*indent
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first = True
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for chunk in content.split(","):
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if len(line) + len(chunk) < 98:
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if first:
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line += chunk
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else:
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line += ", " + chunk
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first = False
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else:
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f.write(line + ",\n")
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line = " "*indent + chunk
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f.write(line)
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def load_properties(f, interestingprops):
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fetch(f)
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props = {}
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re1 = re.compile("^ *([0-9A-F]+) *; *(\w+)")
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re2 = re.compile("^ *([0-9A-F]+)\.\.([0-9A-F]+) *; *(\w+)")
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for line in fileinput.input(os.path.basename(f)):
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prop = None
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d_lo = 0
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d_hi = 0
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m = re1.match(line)
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if m:
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d_lo = m.group(1)
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d_hi = m.group(1)
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prop = m.group(2)
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else:
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m = re2.match(line)
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if m:
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d_lo = m.group(1)
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d_hi = m.group(2)
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prop = m.group(3)
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else:
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continue
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if interestingprops and prop not in interestingprops:
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continue
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d_lo = int(d_lo, 16)
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d_hi = int(d_hi, 16)
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if prop not in props:
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props[prop] = []
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props[prop].append((d_lo, d_hi))
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# optimize if possible
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for prop in props:
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props[prop] = group_cat(ungroup_cat(props[prop]))
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return props
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def escape_char(c):
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return "'\\u{%x}'" % c
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def emit_bsearch_range_table(f):
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f.write("""
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fn bsearch_range_table(c: char, r: &'static [(char,char)]) -> bool {
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use core::cmp::Ordering::{Equal, Less, Greater};
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r.binary_search_by(|&(lo,hi)| {
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if lo <= c && c <= hi { Equal }
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else if hi < c { Less }
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else { Greater }
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}).is_ok()
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}\n
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""")
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def emit_table(f, name, t_data, t_type = "&'static [(char, char)]", is_pub=True,
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pfun=lambda x: "(%s,%s)" % (escape_char(x[0]), escape_char(x[1])), is_const=True):
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pub_string = "const"
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if not is_const:
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pub_string = "let"
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if is_pub:
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pub_string = "pub " + pub_string
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f.write(" %s %s: %s = &[\n" % (pub_string, name, t_type))
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data = ""
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first = True
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for dat in t_data:
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if not first:
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data += ","
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first = False
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data += pfun(dat)
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format_table_content(f, data, 8)
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f.write("\n ];\n\n")
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def emit_property_module(f, mod, tbl, emit):
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f.write("pub mod %s {\n" % mod)
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for cat in sorted(emit):
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emit_table(f, "%s_table" % cat, tbl[cat])
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f.write(" pub fn %s(c: char) -> bool {\n" % cat)
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f.write(" super::bsearch_range_table(c, %s_table)\n" % cat)
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f.write(" }\n\n")
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f.write("}\n\n")
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if __name__ == "__main__":
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r = "tables.rs"
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if os.path.exists(r):
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os.remove(r)
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with open(r, "w") as rf:
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# write the file's preamble
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rf.write(preamble)
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# download and parse all the data
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fetch("ReadMe.txt")
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with open("ReadMe.txt") as readme:
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pattern = "for Version (\d+)\.(\d+)\.(\d+) of the Unicode"
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unicode_version = re.search(pattern, readme.read()).groups()
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rf.write("""
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/// The version of [Unicode](http://www.unicode.org/)
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/// that this version of unicode-xid is based on.
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pub const UNICODE_VERSION: (u64, u64, u64) = (%s, %s, %s);
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""" % unicode_version)
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emit_bsearch_range_table(rf)
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want_derived = ["XID_Start", "XID_Continue"]
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derived = load_properties("DerivedCoreProperties.txt", want_derived)
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emit_property_module(rf, "derived_property", derived, want_derived)
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