forked from extern/nushell
97 lines
2.3 KiB
Rust
97 lines
2.3 KiB
Rust
use std::{cell::RefCell, rc::Rc};
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use nu_protocol::{
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engine::{EngineState, StateWorkingSet},
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Signature,
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};
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use crate::*;
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pub fn create_default_context() -> Rc<RefCell<EngineState>> {
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let engine_state = Rc::new(RefCell::new(EngineState::new()));
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let delta = {
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let engine_state = engine_state.borrow();
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let mut working_set = StateWorkingSet::new(&*engine_state);
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macro_rules! bind_command {
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( $command:expr ) => {
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working_set.add_decl(Box::new($command));
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};
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( $( $command:expr ),* ) => {
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$( working_set.add_decl(Box::new($command)); )*
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};
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}
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// TODO: sort items categorically
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bind_command!(
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Alias,
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Benchmark,
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BuildString,
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Cd,
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Cp,
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Def,
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Do,
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Each,
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ExportDef,
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External,
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For,
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From,
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FromJson,
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Get,
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Griddle,
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Help,
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Hide,
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If,
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Into,
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IntoBinary,
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IntoFilesize,
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IntoInt,
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Length,
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Let,
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LetEnv,
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Lines,
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Ls,
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Mkdir,
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Module,
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Mv,
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Ps,
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Rm,
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Select,
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Split,
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SplitChars,
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SplitColumn,
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SplitRow,
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Sys,
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Table,
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Touch,
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Use,
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Where,
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Wrap
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);
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// This is a WIP proof of concept
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bind_command!(ListGitBranches, Git, GitCheckout, Source);
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let sig = Signature::build("exit");
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working_set.add_decl(sig.predeclare());
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let sig = Signature::build("vars");
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working_set.add_decl(sig.predeclare());
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let sig = Signature::build("decls");
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working_set.add_decl(sig.predeclare());
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let sig = Signature::build("blocks");
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working_set.add_decl(sig.predeclare());
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let sig = Signature::build("stack");
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working_set.add_decl(sig.predeclare());
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let sig = Signature::build("contents");
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working_set.add_decl(sig.predeclare());
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working_set.render()
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};
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{
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EngineState::merge_delta(&mut *engine_state.borrow_mut(), delta);
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}
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engine_state
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}
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