Method export

crates/go/src/lib.rs:1232–1405

(
        &mut self,
        resolve: &Resolve,
        func: &Function,
        interface: Option<&WorldKey>,
    )

    }

    fn export(
        &mut self,
        resolve: &Resolve,
        func: &Function,
        interface: Option<&WorldKey>,
    ) -> String {
        self.visit_futures_and_streams(false, resolve, func, interface);

        let async_ = self.opts.async_.is_async(resolve, interface, func, false);

        let (variant, prefix) = if async_ {
            (AbiVariant::GuestExportAsync, "[async-lift]")
        } else {
            (AbiVariant::GuestExport, "")
        };

        let sig = resolve.wasm_signature(variant, func);
        let core_module_name = interface.map(|v| resolve.name_world_key(v));
        let export_name = func.legacy_core_export_name(core_module_name.as_deref());
        let name = self.func_name(resolve, interface, func);

        let params = sig
            .params
            .iter()
            .enumerate()
            .map(|(i, param)| format!("arg{i} {}", wasm_type(*param)))
            .collect::<Vec<_>>()
            .join(", ");

        let results = match &sig.results[..] {
            [] => "",
            [result] => wasm_type(*result),
            _ => unreachable!(),
        };

        let unpin_params =
            sig.indirect_params || abi::guest_export_params_have_allocations(resolve, func);

        let param_names = (0..sig.params.len()).map(|i| format!("arg{i}")).collect();
        let mut generator = FunctionGenerator::new(
            self,
            Some(&name),
            interface,
            None,
            "INVALID",
            param_names,
            unpin_params,
            false,
        );
        abi::call(
            resolve,
            variant,
            LiftLower::LiftArgsLowerResults,
            func,
            &mut generator,
            async_,
        );
        let code = generator.src;