traxys/tree-sitter
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Allow building the C code with static analysis

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This commit is contained in:
Max Brunsfeld 2019-01-14 14:06:22 -08:00
parent e2717a6ad1
commit 8f48240bf1
1 changed files with 31 additions and 10 deletions
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41
lib/build.rs
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@ -5,16 +5,7 @@ use std::path::{Path, PathBuf};
use std::fs;
fn main() {
let mut config = cc::Build::new();
config
.define("UTF8PROC_STATIC", "")
.flag_if_supported("-std=c99")
.flag_if_supported("-Wno-unused-parameter")
.include("include")
.include("utf8proc")
.file(Path::new("src").join("lib.c"))
.compile("tree-sitter");
println!("cargo:rerun-if-env-changed=TREE_SITTER_TEST");
if env::var("TREE_SITTER_TEST").is_ok() {
let mut parser_config = cc::Build::new();
parser_config
@ -65,4 +56,34 @@ fn main() {
scanner_c_config.compile("fixture-scanners-c");
scanner_cxx_config.compile("fixture-scanners-cxx");
}
println!("cargo:rerun-if-env-changed=TREE_SITTER_STATIC_ANALYSIS");
if env::var("TREE_SITTER_STATIC_ANALYSIS").is_ok() {
let clang_path = which("clang").unwrap();
let clang_path = clang_path.to_str().unwrap();
env::set_var("CC", &format!("scan-build -analyze-headers --use-analyzer={} cc", clang_path));
}
let mut config = cc::Build::new();
config
.define("UTF8PROC_STATIC", "")
.flag_if_supported("-std=c99")
.flag_if_supported("-Wno-unused-parameter")
.include("include")
.include("utf8proc")
.file(Path::new("src").join("lib.c"))
.compile("tree-sitter");
}
fn which(exe_name: impl AsRef<Path>) -> Option<PathBuf> {
env::var_os("PATH").and_then(|paths| {
env::split_paths(&paths).find_map(|dir| {
let full_path = dir.join(&exe_name);
if full_path.is_file() {
Some(full_path)
} else {
None
}
})
})
}