bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/proc-macro-api/src/transport/codec/json.rs')
-rw-r--r--crates/proc-macro-api/src/transport/codec/json.rs58
1 files changed, 0 insertions, 58 deletions
diff --git a/crates/proc-macro-api/src/transport/codec/json.rs b/crates/proc-macro-api/src/transport/codec/json.rs
deleted file mode 100644
index 96db802e0b..0000000000
--- a/crates/proc-macro-api/src/transport/codec/json.rs
+++ /dev/null
@@ -1,58 +0,0 @@
-//! Protocol functions for json.
-use std::io::{self, BufRead, Write};
-
-use serde::{Serialize, de::DeserializeOwned};
-
-use crate::{Codec, transport::framing::Framing};
-
-pub struct JsonProtocol;
-
-impl Framing for JsonProtocol {
- type Buf = String;
-
- fn read<'a, R: BufRead + ?Sized>(
- inp: &mut R,
- buf: &'a mut String,
- ) -> io::Result<Option<&'a mut String>> {
- loop {
- buf.clear();
-
- inp.read_line(buf)?;
- buf.pop(); // Remove trailing '\n'
-
- if buf.is_empty() {
- return Ok(None);
- }
-
- // Some ill behaved macro try to use stdout for debugging
- // We ignore it here
- if !buf.starts_with('{') {
- tracing::error!("proc-macro tried to print : {}", buf);
- continue;
- }
-
- return Ok(Some(buf));
- }
- }
-
- fn write<W: Write + ?Sized>(out: &mut W, buf: &String) -> io::Result<()> {
- tracing::debug!("> {}", buf);
- out.write_all(buf.as_bytes())?;
- out.write_all(b"\n")?;
- out.flush()
- }
-}
-
-impl Codec for JsonProtocol {
- fn encode<T: Serialize>(msg: &T) -> io::Result<String> {
- Ok(serde_json::to_string(msg)?)
- }
-
- fn decode<T: DeserializeOwned>(buf: &mut String) -> io::Result<T> {
- let mut deserializer = serde_json::Deserializer::from_str(buf);
- // Note that some proc-macro generate very deep syntax tree
- // We have to disable the current limit of serde here
- deserializer.disable_recursion_limit();
- Ok(T::deserialize(&mut deserializer)?)
- }
-}