nushell/crates/nu-command/src/default_context.rs

99 lines
2.3 KiB
Rust

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