schala/schala-repl/src/language.rs

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use std::collections::HashSet;
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use std::time;
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pub trait ProgrammingLanguageInterface {
type Config: Default + Clone;
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fn language_name() -> String;
fn source_file_suffix() -> String;
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fn run_computation(&mut self, _request: ComputationRequest<Self::Config>) -> ComputationResponse;
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fn request_meta(&mut self, _request: LangMetaRequest) -> LangMetaResponse {
LangMetaResponse::Custom {
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kind: "not-implemented".to_owned(),
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value: format!(""),
}
}
}
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pub struct ComputationRequest<'a, T> {
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pub source: &'a str,
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pub config: T,
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pub debug_requests: HashSet<DebugAsk>,
}
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pub struct ComputationResponse {
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pub main_output: Result<String, String>,
pub global_output_stats: GlobalOutputStats,
pub debug_responses: Vec<DebugResponse>,
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}
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#[derive(Default, Debug)]
pub struct GlobalOutputStats {
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pub total_duration: time::Duration,
pub stage_durations: Vec<(String, time::Duration)>,
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}
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#[derive(Debug, Clone, Hash, Eq, PartialEq, Deserialize, Serialize)]
pub enum DebugAsk {
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Timing,
ByStage {
stage_name: String,
token: Option<String>,
},
}
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pub struct DebugResponse {
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pub ask: DebugAsk,
pub value: String,
}
pub enum LangMetaRequest {
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StageNames,
Docs { source: String },
Custom { kind: String, value: String },
ImmediateDebug(DebugAsk),
}
pub enum LangMetaResponse {
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StageNames(Vec<String>),
Docs { doc_string: String },
Custom { kind: String, value: String },
ImmediateDebug(DebugResponse),
}