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use nu_protocol::{
ast::RangeInclusion,
engine::{EngineState, Stack, StateWorkingSet},
CliError, Range, ShellError, Span, Value,
};
use std::path::PathBuf;
pub fn report_error(
working_set: &StateWorkingSet,
error: &(dyn miette::Diagnostic + Send + Sync + 'static),
) {
eprintln!("Error: {:?}", CliError(error, working_set));
#[cfg(windows)]
{
let _ = nu_utils::enable_vt_processing();
}
}
pub fn report_error_new(
engine_state: &EngineState,
error: &(dyn miette::Diagnostic + Send + Sync + 'static),
) {
let working_set = StateWorkingSet::new(engine_state);
report_error(&working_set, error);
}
pub fn get_init_cwd() -> PathBuf {
std::env::current_dir().unwrap_or_else(|_| {
std::env::var("PWD")
.map(Into::into)
.unwrap_or_else(|_| nu_path::home_dir().unwrap_or_default())
})
}
pub fn get_guaranteed_cwd(engine_state: &EngineState, stack: &Stack) -> PathBuf {
nu_engine::env::current_dir(engine_state, stack).unwrap_or_else(|e| {
let working_set = StateWorkingSet::new(engine_state);
report_error(&working_set, &e);
crate::util::get_init_cwd()
})
}
type MakeRangeError = fn(&str, Span) -> ShellError;
pub fn process_range(range: &Range) -> Result<(isize, isize), MakeRangeError> {
let start = match &range.from {
Value::Int { val, .. } => *val as isize,
Value::Nothing { .. } => 0,
_ => {
return Err(|msg, span| ShellError::TypeMismatch {
err_message: msg.to_string(),
span,
})
}
};
let end = match &range.to {
Value::Int { val, .. } => {
if matches!(range.inclusion, RangeInclusion::Inclusive) {
*val as isize
} else {
*val as isize - 1
}
}
Value::Nothing { .. } => isize::max_value(),
_ => {
return Err(|msg, span| ShellError::TypeMismatch {
err_message: msg.to_string(),
span,
})
}
};
Ok((start, end))
}