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Add method matcher for method calls

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This commit is contained in:
Tad Hardesty 2018-03-08 18:58:30 -08:00
parent bd445ce453
commit 5b51f84dd4
1 changed files with 35 additions and 10 deletions
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45
src/langserver/main.rs
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@ -91,15 +91,40 @@ impl<'a, R: io::RequestRead, W: io::ResponseWrite> Engine<'a, R, W> {
}
}
fn handle_method_call(&mut self, _call: jsonrpc::MethodCall) -> Result<serde_json::Value, jsonrpc::Error> {
self.issue_notification::<langserver::notification::ShowMessage>(langserver::ShowMessageParams {
typ: langserver::MessageType::Info,
message: "Hello, world!".to_owned(),
});
Err(jsonrpc::Error {
code: jsonrpc::ErrorCode::ServerError(0),
message: "Goodbye, world!".to_owned(),
data: None,
})
fn handle_method_call(&mut self, call: jsonrpc::MethodCall) -> Result<serde_json::Value, jsonrpc::Error> {
use langserver::request::*;
let params_value = match call.params {
Some(jsonrpc::Params::None) |
None => serde_json::Value::Null,
Some(jsonrpc::Params::Array(x)) => serde_json::Value::Array(x),
Some(jsonrpc::Params::Map(x)) => serde_json::Value::Object(x),
};
macro_rules! match_call {
($(|$name:ident: $what:ty| $body:block;)*) => (
$(if call.method == <$what>::METHOD {
let $name: <$what as Request>::Params = serde_json::from_value(params_value).expect("blah");
let result: <$what as Request>::Result = $body;
Ok(serde_json::to_value(result).expect("blah 2"))
} else)* {
Err(jsonrpc::Error {
code: jsonrpc::ErrorCode::InternalError,
message: "Not yet implemented".to_owned(),
data: None,
})
}
)
}
match_call! {
|_init: Initialize| {
self.issue_notification::<langserver::notification::ShowMessage>(langserver::ShowMessageParams {
typ: langserver::MessageType::Info,
message: "Hello, world!".to_owned(),
});
Default::default()
};
}
}
}