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Implement getter/setter bindings

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This commit is contained in:
Alex Crichton
2018-02-14 13:16:02 -08:00
parent e72f9e176f
commit 9183236522
6 changed files with 183 additions and 10 deletions
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34
crates/wasm-bindgen-cli-support/src/js.rs
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@ -957,23 +957,39 @@ impl<'a, 'b> SubContext<'a, 'b> {
let invoc_args = invoc_args.join(", ");
let function_name = &import.function.name;
let invoc = match import.class {
Some(ref class) if import.method => {
self.cx.globals.push_str(&format!("
const {}_target = {}.prototype.{};
", name, class, function_name));
format!("{}_target.call({})", name, invoc_args)
}
Some(ref class) if import.js_new => {
format!("new {}({})", class, invoc_args)
format!("new {}", class)
}
Some(ref class) if import.method => {
let target = if let Some(ref g) = import.getter {
format!(
"Object.getOwnPropertyDescriptor({}.prototype, '{}').get;",
class,
g,
)
} else if let Some(ref s) = import.setter {
format!(
"Object.getOwnPropertyDescriptor({}.prototype, '{}').set;",
class,
s,
)
} else {
format!("{}.prototype.{}", class, function_name)
};
self.cx.globals.push_str(&format!("
const {}_target = {};
", name, target));
format!("{}_target.call", name)
}
Some(ref class) => {
self.cx.globals.push_str(&format!("
const {}_target = {}.{};
", name, class, function_name));
format!("{}_target({})", name, invoc_args)
format!("{}_target", name)
}
None => format!("{}({})", function_name, invoc_args),
None => function_name.to_string(),
};
let invoc = format!("{}({})", invoc, invoc_args);
let invoc = match import.function.ret {
Some(shared::TYPE_NUMBER) => format!("return {};", invoc),
Some(shared::TYPE_BOOLEAN) => format!("return {} ? 1 : 0;", invoc),