2019-07-03 22:31:15 +02:00
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#[macro_export]
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macro_rules! stream {
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($($expr:expr),*) => {{
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let mut v = VecDeque::new();
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$(
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v.push_back($expr);
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)*
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v
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}}
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}
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#[macro_export]
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macro_rules! trace_stream {
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2019-07-12 21:22:08 +02:00
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(target: $target:tt, $desc:tt = $expr:expr) => {{
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if log::log_enabled!(target: $target, log::Level::Trace) {
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2019-07-03 22:31:15 +02:00
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use futures::stream::StreamExt;
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// Blocking is generally quite bad, but this is for debugging
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// let mut local = futures::executor::LocalPool::new();
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// let objects = local.run_until($expr.into_vec());
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// let objects: Vec<_> = futures::executor::block_on($expr.into_vec());
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let objects = $expr.values.inspect(|o| {
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2019-07-12 21:22:08 +02:00
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trace!(target: $target, "{} = {:#?}", $desc, o.debug());
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2019-07-03 22:31:15 +02:00
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});
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$crate::stream::InputStream::from_stream(objects.boxed())
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} else {
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$expr
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}
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}};
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}
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2019-05-23 06:30:43 +02:00
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crate use crate::cli::MaybeOwned;
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2019-07-03 22:31:15 +02:00
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crate use crate::commands::command::{
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2019-08-02 21:15:07 +02:00
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CommandAction, CommandArgs, ReturnSuccess, ReturnValue, RunnableContext,
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2019-07-03 22:31:15 +02:00
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};
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2019-07-24 00:22:11 +02:00
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crate use crate::context::{CommandRegistry, Context};
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2019-05-24 21:35:22 +02:00
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crate use crate::env::host::handle_unexpected;
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2019-05-13 19:30:51 +02:00
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crate use crate::env::{Environment, Host};
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crate use crate::errors::ShellError;
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2019-08-02 21:15:07 +02:00
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crate use crate::object::base as value;
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2019-07-13 04:18:02 +02:00
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crate use crate::object::types::ExtractType;
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2019-06-27 18:47:24 +02:00
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crate use crate::object::{Primitive, Value};
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2019-08-02 21:15:07 +02:00
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crate use crate::parser::registry::Signature;
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crate use crate::parser::{hir::SyntaxType, Span, Spanned, SpannedItem};
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2019-07-03 22:31:15 +02:00
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crate use crate::stream::{InputStream, OutputStream};
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2019-07-24 00:22:11 +02:00
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crate use crate::traits::{HasSpan, ToDebug};
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2019-06-22 22:46:16 +02:00
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crate use crate::Text;
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2019-07-03 22:31:15 +02:00
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crate use futures::stream::BoxStream;
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2019-07-24 00:22:11 +02:00
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crate use futures::{FutureExt, Stream, StreamExt};
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2019-08-03 04:17:28 +02:00
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crate use futures_async_stream::async_stream_block;
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2019-08-06 18:26:33 +02:00
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#[allow(unused)]
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2019-08-02 21:15:07 +02:00
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crate use serde::{Deserialize, Serialize};
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2019-05-13 19:30:51 +02:00
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crate use std::collections::VecDeque;
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2019-07-03 22:31:15 +02:00
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crate use std::future::Future;
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2019-05-23 09:23:06 +02:00
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crate use std::sync::{Arc, Mutex};
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2019-07-03 22:31:15 +02:00
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pub trait FromInputStream {
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fn from_input_stream(self) -> OutputStream;
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}
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impl<T> FromInputStream for T
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where
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2019-07-08 18:44:53 +02:00
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T: Stream<Item = Spanned<Value>> + Send + 'static,
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2019-07-03 22:31:15 +02:00
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{
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fn from_input_stream(self) -> OutputStream {
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OutputStream {
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values: self.map(ReturnSuccess::value).boxed(),
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}
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}
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}
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pub trait ToOutputStream {
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fn to_output_stream(self) -> OutputStream;
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}
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impl<T, U> ToOutputStream for T
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where
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T: Stream<Item = U> + Send + 'static,
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U: Into<ReturnValue>,
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{
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fn to_output_stream(self) -> OutputStream {
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OutputStream {
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values: self.map(|item| item.into()).boxed(),
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}
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}
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}
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