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Set RUST_MIN_STACK if unset

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This commit is contained in:
David Tolnay
2016-08-18 13:42:38 -04:00
parent ce66b230e3
commit dba1377d1f
2 changed files with 74 additions and 24 deletions
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serde_codegen/src/lib.rs
+38 -24
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@@ -35,48 +35,62 @@ include!(concat!(env!("OUT_DIR"), "/lib.rs"));
#[cfg(not(feature = "with-syntex"))]
include!("lib.rs.in");
#[cfg(feature = "with-syntex")]
mod env;
#[cfg(feature = "with-syntex")]
pub fn expand<S, D>(src: S, dst: D) -> Result<(), syntex::Error>
where S: AsRef<Path>,
D: AsRef<Path>,
{
use syntax::{ast, fold};
let src = src.as_ref().to_owned();
let dst = dst.as_ref().to_owned();
/// Strip the serde attributes from the crate.
#[cfg(feature = "with-syntex")]
fn strip_attributes(krate: ast::Crate) -> ast::Crate {
/// Helper folder that strips the serde attributes after the extensions have been expanded.
struct StripAttributeFolder;
let expand_thread = move || {
use syntax::{ast, fold};
impl fold::Folder for StripAttributeFolder {
fn fold_attribute(&mut self, attr: ast::Attribute) -> Option<ast::Attribute> {
match attr.node.value.node {
ast::MetaItemKind::List(ref n, _) if n == &"serde" => { return None; }
_ => {}
/// Strip the serde attributes from the crate.
#[cfg(feature = "with-syntex")]
fn strip_attributes(krate: ast::Crate) -> ast::Crate {
/// Helper folder that strips the serde attributes after the extensions have been expanded.
struct StripAttributeFolder;
impl fold::Folder for StripAttributeFolder {
fn fold_attribute(&mut self, attr: ast::Attribute) -> Option<ast::Attribute> {
match attr.node.value.node {
ast::MetaItemKind::List(ref n, _) if n == &"serde" => { return None; }
_ => {}
}
Some(attr)
}
Some(attr)
fn fold_mac(&mut self, mac: ast::Mac) -> ast::Mac {
fold::noop_fold_mac(mac, self)
}
}
fn fold_mac(&mut self, mac: ast::Mac) -> ast::Mac {
fold::noop_fold_mac(mac, self)
}
fold::Folder::fold_crate(&mut StripAttributeFolder, krate)
}
fold::Folder::fold_crate(&mut StripAttributeFolder, krate)
}
let mut reg = syntex::Registry::new();
let mut reg = syntex::Registry::new();
reg.add_attr("feature(custom_derive)");
reg.add_attr("feature(custom_attribute)");
reg.add_attr("feature(custom_derive)");
reg.add_attr("feature(custom_attribute)");
reg.add_decorator("derive_Serialize", ser::expand_derive_serialize);
reg.add_decorator("derive_Deserialize", de::expand_derive_deserialize);
reg.add_decorator("derive_Serialize", ser::expand_derive_serialize);
reg.add_decorator("derive_Deserialize", de::expand_derive_deserialize);
reg.add_post_expansion_pass(strip_attributes);
reg.add_post_expansion_pass(strip_attributes);
reg.expand("", src, dst)
};
reg.expand("", src.as_ref(), dst.as_ref())
// 16 MB stack unless otherwise specified
let _tmp_env = env::set_if_unset("RUST_MIN_STACK", "16777216");
use std::thread;
thread::spawn(expand_thread).join().unwrap()
}
#[cfg(not(feature = "with-syntex"))]