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Only generate JS null checks in debug mode

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In non-debug mode Rust is already checking these pointers, so let's only
generate the relevant code in debug mode.
This commit is contained in:
Alex Crichton
2018-09-21 15:17:19 -07:00
parent 727cfc3bb5
commit ab3688d01a
4 changed files with 14 additions and 9 deletions
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12
crates/cli-support/src/js/js2rust.rs
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@ -68,11 +68,13 @@ impl<'a, 'b> Js2Rust<'a, 'b> {
/// passed should be `this.ptr`.
pub fn method(&mut self, method: bool, consumed: bool) -> &mut Self {
if method {
self.prelude(
"if (this.ptr === 0) {
throw new Error('Attempt to use a moved value');
}",
);
if self.cx.config.debug {
self.prelude(
"if (this.ptr === 0) {
throw new Error('Attempt to use a moved value');
}",
);
}
if consumed {
self.prelude(
"\