Method exec

core/tests/testutils/callables/out_cmd.rs:56–93

(&self, scope: Scope<'_>)

    }

    fn exec(&self, scope: Scope<'_>) -> CallResult<()> {
        let mut line = String::new();
        let mut argi = 0;
        let mut reg = 0;
        loop {
            let sep = match scope.get_type(reg) {
                VarArgTag::Immediate(sep, etype) => {
                    reg += 1;
                    let formatted = format_arg(&scope, reg, etype);
                    line.push_str(&format!("{}={}{}", argi, formatted, etype.annotation()));
                    sep
                }
                VarArgTag::Missing(sep) => {
                    line.push_str(&format!("{}=()", argi));
                    sep
                }
                VarArgTag::Pointer(sep) => {
                    reg += 1;
                    let typed_ptr = scope.get_ref(reg);
                    line.push_str(&format!("{}={}", argi, typed_ptr));
                    sep
                }
            };
            argi += 1;
            reg += 1;

            if sep == ArgSep::End {
                break;
            }
            line.push(' ');
            line.push_str(&sep.to_string());
            line.push(' ');
        }
        let mut output = self.output.borrow_mut();
        output.push_str(&line);
        output.push('\n');
        Ok(())
    }
}