1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
extern crate cmake;
extern crate phf_codegen;
extern crate phf_shared;
extern crate serde_json;
use serde_json::Value;
use std::env;
use std::fmt;
use std::fs::File;
use std::io::Write;
use std::path::PathBuf;
use std::time::Instant;
fn main() {
let start = Instant::now();
// This must use the Ninja generator -- it's the only one that
// parallelizes cmake's output properly. (Cmake generates
// separate makefiles, each of which try to build
// ParserResults.pkl, and then stomp on eachother.)
let mut build = cmake::Config::new(".");
let target = env::var("TARGET").unwrap();
if target.contains("windows-msvc") {
// We must use Ninja on Windows for this -- msbuild is painfully slow,
// and ninja is easier to install than make.
build.generator("Ninja");
// because we're using ninja, we need to explicitly set these
// to VC++, otherwise it'll try to use cc
build.define("CMAKE_C_COMPILER", "cl.exe")
.define("CMAKE_CXX_COMPILER", "cl.exe");
// We have to explicitly specify the full path to link.exe,
// for reasons that I don't understand. If we just give
// link.exe, it tries to use script-*/out/link.exe, which of
// course does not exist.
let link = std::process::Command::new("where").arg("link.exe").output().unwrap();
let link_path: Vec<&str> = std::str::from_utf8(&link.stdout).unwrap().split("\r\n").collect();
build.define("CMAKE_LINKER", link_path[0]);
}
build.build();
println!("Binding generation completed in {}s", start.elapsed().as_secs());
let json = PathBuf::from(env::var("OUT_DIR").unwrap()).join("build").join("InterfaceObjectMapData.json");
let json: Value = serde_json::from_reader(File::open(&json).unwrap()).unwrap();
let mut map = phf_codegen::Map::new();
for (key, value) in json.as_object().unwrap() {
map.entry(Bytes(key), value.as_str().unwrap());
}
let phf = PathBuf::from(env::var("OUT_DIR").unwrap()).join("InterfaceObjectMapPhf.rs");
let mut phf = File::create(&phf).unwrap();
write!(&mut phf, "pub static MAP: phf::Map<&'static [u8], unsafe fn(*mut JSContext, HandleObject)> = ").unwrap();
map.build(&mut phf).unwrap();
write!(&mut phf, ";\n").unwrap();
}
#[derive(Eq, PartialEq, Hash)]
struct Bytes<'a>(&'a str);
impl<'a> fmt::Debug for Bytes<'a> {
fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_str("b\"")?;
formatter.write_str(self.0)?;
formatter.write_str("\" as &'static [u8]")
}
}
impl<'a> phf_shared::PhfHash for Bytes<'a> {
fn phf_hash<H: std::hash::Hasher>(&self, hasher: &mut H) {
self.0.as_bytes().phf_hash(hasher)
}
}
|
