schala/schala-repl/src/language.rs
2019-05-14 00:40:38 -07:00

95 lines
2.1 KiB
Rust

use serde::{Serialize, Deserialize};
use std::time;
pub trait ProgrammingLanguageInterface {
fn get_language_name(&self) -> String;
fn get_source_file_suffix(&self) -> String;
fn run_computation(&mut self, _request: ComputationRequest) -> ComputationResponse {
ComputationResponse {
main_output: Err(format!("Computation pipeline not implemented")),
global_output_stats: GlobalOutputStats::default(),
debug_responses: vec![],
}
}
fn request_meta(&mut self, _request: LangMetaRequest) -> LangMetaResponse {
LangMetaResponse::Custom { kind: format!("not-implemented"), value: format!("") }
}
}
pub struct ComputationRequest<'a> {
pub source: &'a str,
pub debug_requests: Vec<DebugRequest>,
}
pub struct ComputationResponse {
pub main_output: Result<String, String>,
pub global_output_stats: GlobalOutputStats,
pub debug_responses: Vec<DebugResponse>,
}
pub struct DebugRequest {
pub ask: DebugAsk,
}
#[derive(Debug, Clone, Hash, Eq, PartialEq, Deserialize, Serialize)]
pub enum DebugAsk {
Timing,
ByStage { stage_name: String },
}
pub struct DebugResponse {
pub ask: DebugAsk,
pub value: String
}
pub enum LangMetaRequest {
StageNames,
Docs {
source: String,
},
Custom {
kind: String,
value: String
},
ImmediateDebug(DebugRequest),
}
pub enum LangMetaResponse {
StageNames(Vec<String>),
Docs {
doc_string: String,
},
Custom {
kind: String,
value: String
},
ImmediateDebug(DebugResponse),
}
#[derive(Default, Debug)]
pub struct GlobalOutputStats {
total_duration: Option<time::Duration>,
stage_durations: Option<Vec<(String, time::Duration)>>
}
/*
impl GlobalOutputStats {
fn get_timing(&self) -> Option<String> {
if self.durations.len() != 0 {
let mut buf = String::new();
write!(&mut buf, "Timing: ").unwrap();
for duration in self.durations.iter() {
let timing = (duration.as_secs() as f64) + (duration.subsec_nanos() as f64 * 1e-9);
write!(&mut buf, "{}s, ", timing).unwrap()
}
write!(&mut buf, "\n").unwrap();
Some(buf)
} else {
None
}
}
}
*/