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Add a flag to remove the wasm name section

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This commit adds a `--remove-name-section` flag to the `wasm-bindgen`
command which will remove the `name` section of the wasm file, used to
indicate the names of functions typically used in debugging. This flag
is off-by-default and will primarily be controlled by wasm-pack,
typically being passed by default with `wasm-pack build --release`.

Closes #1021
This commit is contained in:
Alex Crichton
2018-11-09 07:45:19 -08:00
parent 4c4f8f16bd
commit 12fc09a124
3 changed files with 19 additions and 1 deletions
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10
crates/cli-support/src/js/mod.rs
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@ -116,6 +116,7 @@ impl<'a> Context<'a> {
}
pub fn finalize(&mut self, module_name: &str) -> Result<(String, String), Error> {
self.parse_wasm_names();
self.write_classes()?;
self.bind("__wbindgen_object_clone_ref", &|me| {
@ -1689,7 +1690,6 @@ impl<'a> Context<'a> {
}
fn gc(&mut self) {
self.parse_wasm_names();
gc::Config::new()
.demangle(self.config.demangle)
.keep_debug(self.config.keep_debug || self.config.debug)
@ -1700,6 +1700,14 @@ impl<'a> Context<'a> {
let module = mem::replace(self.module, Module::default());
let module = module.parse_names().unwrap_or_else(|p| p.1);
*self.module = module;
if self.config.remove_name_section {
self.module.sections_mut().retain(|s| {
match s {
Section::Name(_) => false,
_ => true,
}
});
}
}
fn describe(&mut self, name: &str) -> Option<Descriptor> {