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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
use anyhow::{anyhow, Context, Result};
use std::fs;
use std::time::SystemTime;
use std::{
path::{Path, PathBuf},
process::Command,
};
use std::sync::mpsc::channel;
fn collect_tree_sitter_dirs(ignore: &[String]) -> Result<Vec<String>> {
let mut dirs = Vec::new();
let path = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("languages");
for entry in fs::read_dir(path)? {
let entry = entry?;
let path = entry.path();
if !entry.file_type()?.is_dir() {
continue;
}
let dir = path.file_name().unwrap().to_str().unwrap().to_string();
// filter ignores
if ignore.contains(&dir) {
continue;
}
dirs.push(dir)
}
Ok(dirs)
}
#[cfg(unix)]
const DYLIB_EXTENSION: &str = "so";
#[cfg(windows)]
const DYLIB_EXTENSION: &str = "dll";
fn build_library(src_path: &Path, language: &str) -> Result<()> {
let header_path = src_path;
// let grammar_path = src_path.join("grammar.json");
let parser_path = src_path.join("parser.c");
let mut scanner_path = src_path.join("scanner.c");
let scanner_path = if scanner_path.exists() {
Some(scanner_path)
} else {
scanner_path.set_extension("cc");
if scanner_path.exists() {
Some(scanner_path)
} else {
None
}
};
let parser_lib_path = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../runtime/grammars");
let mut library_path = parser_lib_path.join(language);
library_path.set_extension(DYLIB_EXTENSION);
let recompile = needs_recompile(&library_path, &parser_path, &scanner_path)
.with_context(|| "Failed to compare source and binary timestamps")?;
if !recompile {
return Ok(());
}
let mut config = cc::Build::new();
config.cpp(true).opt_level(2).cargo_metadata(false);
let compiler = config.get_compiler();
let mut command = Command::new(compiler.path());
command.current_dir(src_path);
for (key, value) in compiler.env() {
command.env(key, value);
}
if cfg!(windows) {
command
.args(&["/nologo", "/LD", "/I"])
.arg(header_path)
.arg("/Od");
if let Some(scanner_path) = scanner_path.as_ref() {
command.arg(scanner_path);
}
command
.arg(parser_path)
.arg("/link")
.arg(format!("/out:{}", library_path.to_str().unwrap()));
} else {
command
.arg("-shared")
.arg("-fPIC")
.arg("-fno-exceptions")
.arg("-g")
.arg("-I")
.arg(header_path)
.arg("-o")
.arg(&library_path)
.arg("-O2");
if let Some(scanner_path) = scanner_path.as_ref() {
if scanner_path.extension() == Some("c".as_ref()) {
command.arg("-xc").arg("-std=c99").arg(scanner_path);
} else {
command.arg(scanner_path);
}
}
command.arg("-xc").arg(parser_path);
if cfg!(all(unix, not(target_os = "macos"))) {
command.arg("-Wl,-z,relro,-z,now");
}
}
let output = command
.output()
.with_context(|| "Failed to execute C compiler")?;
if !output.status.success() {
return Err(anyhow!(
"Parser compilation failed.\nStdout: {}\nStderr: {}",
String::from_utf8_lossy(&output.stdout),
String::from_utf8_lossy(&output.stderr)
));
}
Ok(())
}
fn needs_recompile(
lib_path: &Path,
parser_c_path: &Path,
scanner_path: &Option<PathBuf>,
) -> Result<bool> {
if !lib_path.exists() {
return Ok(true);
}
let lib_mtime = mtime(lib_path)?;
if mtime(parser_c_path)? > lib_mtime {
return Ok(true);
}
if let Some(scanner_path) = scanner_path {
if mtime(scanner_path)? > lib_mtime {
return Ok(true);
}
}
Ok(false)
}
fn mtime(path: &Path) -> Result<SystemTime> {
Ok(fs::metadata(path)?.modified()?)
}
fn build_dir(dir: &str, language: &str) {
println!("Build language {}", language);
if PathBuf::from("languages")
.join(dir)
.read_dir()
.unwrap()
.next()
.is_none()
{
eprintln!(
"The directory {} is empty, did you use 'git clone --recursive'?",
dir
);
eprintln!("You can fix in using 'git submodule init && git submodule update --recursive'.");
std::process::exit(1);
}
let path = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
.join("languages")
.join(dir)
.join("src");
build_library(&path, language).unwrap();
}
fn main() {
let ignore = vec![
"tree-sitter-typescript".to_string(),
"tree-sitter-haskell".to_string(), // aarch64 failures: https://github.com/tree-sitter/tree-sitter-haskell/issues/34
];
let dirs = collect_tree_sitter_dirs(&ignore).unwrap();
let mut n_jobs = 0;
let pool = threadpool::Builder::new().build(); // by going through the builder, it'll use num_cpus
let (tx, rx) = channel();
for dir in dirs {
let tx = tx.clone();
n_jobs += 1;
pool.execute(move || {
let language = &dir.strip_prefix("tree-sitter-").unwrap();
build_dir(&dir, language);
// report progress
tx.send(1).unwrap();
});
}
pool.join();
// drop(tx);
assert_eq!(rx.try_iter().sum::<usize>(), n_jobs);
build_dir("tree-sitter-typescript/tsx", "tsx");
build_dir("tree-sitter-typescript/typescript", "typescript");
}
|
