2022-03-27 15:01:04 +02:00
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use crate::reedline_config::{add_completion_menu, add_help_menu, add_history_menu};
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use crate::{prompt_update, reedline_config, NuHelpCompleter};
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2022-01-18 20:32:45 +01:00
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use crate::{
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reedline_config::KeybindingsMode,
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2022-03-16 19:17:06 +01:00
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util::{eval_source, report_error},
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2022-01-18 20:32:45 +01:00
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};
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2022-03-16 19:17:06 +01:00
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use crate::{NuCompleter, NuHighlighter, NuValidator, NushellPrompt};
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2022-02-09 23:08:16 +01:00
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use log::info;
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2022-01-18 09:48:28 +01:00
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use log::trace;
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use miette::{IntoDiagnostic, Result};
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use nu_color_config::get_color_config;
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use nu_engine::convert_env_values;
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use nu_parser::lex;
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2022-03-16 19:17:06 +01:00
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use nu_protocol::engine::Stack;
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use nu_protocol::PipelineData;
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2022-01-18 09:48:28 +01:00
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use nu_protocol::{
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engine::{EngineState, StateWorkingSet},
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Config, ShellError, Span, Value, CONFIG_VARIABLE_ID,
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};
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use reedline::{DefaultHinter, Emacs, Vi};
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2022-03-16 19:17:06 +01:00
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use std::path::PathBuf;
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2022-02-09 23:08:16 +01:00
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use std::{sync::atomic::Ordering, time::Instant};
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2022-01-18 09:48:28 +01:00
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2022-03-16 19:17:06 +01:00
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pub fn evaluate_repl(
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2022-02-19 21:54:43 +01:00
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engine_state: &mut EngineState,
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2022-03-16 19:17:06 +01:00
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stack: &mut Stack,
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history_path: Option<PathBuf>,
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is_perf_true: bool,
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2022-02-19 21:54:43 +01:00
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) -> Result<()> {
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2022-01-18 09:48:28 +01:00
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use reedline::{FileBackedHistory, Reedline, Signal};
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let mut entry_num = 0;
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let mut nu_prompt = NushellPrompt::new();
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// First, set up env vars as strings only
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2022-03-16 19:17:06 +01:00
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// gather_parent_env_vars(engine_state);
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2022-01-18 09:48:28 +01:00
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// Set up our initial config to start from
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2022-03-16 19:17:06 +01:00
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// stack.vars.insert(
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// CONFIG_VARIABLE_ID,
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// Value::Record {
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// cols: vec![],
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// vals: vec![],
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// span: Span::new(0, 0),
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// },
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// );
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if is_perf_true {
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2022-02-10 22:22:39 +01:00
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info!("read_plugin_file {}:{}:{}", file!(), line!(), column!());
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}
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2022-03-16 19:17:06 +01:00
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// #[cfg(feature = "plugin")]
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// config_files::read_plugin_file(engine_state, &mut stack, is_perf_true);
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//
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// if is_perf_true {
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// info!("read_config_file {}:{}:{}", file!(), line!(), column!());
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// }
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//
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// config_files::read_config_file(engine_state, &mut stack, config_file, is_perf_true);
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// let history_path = config_files::create_history_path();
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2022-01-18 09:48:28 +01:00
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2022-02-09 23:08:16 +01:00
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// logger(|builder| {
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// configure(&config.log_level, builder)?;
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// // trace_filters(self, builder)?;
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// // debug_filters(self, builder)?;
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2022-01-18 09:48:28 +01:00
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2022-02-09 23:08:16 +01:00
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// Ok(())
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// })?;
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2022-01-18 09:48:28 +01:00
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2022-03-16 19:17:06 +01:00
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if is_perf_true {
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2022-02-10 22:22:39 +01:00
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info!(
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"translate environment vars {}:{}:{}",
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file!(),
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line!(),
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column!()
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);
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}
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2022-01-18 09:48:28 +01:00
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// Translate environment variables from Strings to Values
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2022-03-16 19:17:06 +01:00
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if let Some(e) = convert_env_values(engine_state, stack) {
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2022-01-18 09:48:28 +01:00
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let working_set = StateWorkingSet::new(engine_state);
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report_error(&working_set, &e);
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}
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2022-02-24 20:02:28 +01:00
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// Make a note of the exceptions we see for externals that look like math expressions
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2022-03-16 19:17:06 +01:00
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let exceptions = crate::util::external_exceptions(engine_state, stack);
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2022-02-24 20:02:28 +01:00
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engine_state.external_exceptions = exceptions;
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2022-02-26 14:57:45 +01:00
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// seed env vars
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2022-01-21 20:50:44 +01:00
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stack.add_env_var(
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"CMD_DURATION_MS".into(),
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Value::String {
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val: "0823".to_string(),
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span: Span { start: 0, end: 0 },
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},
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);
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2022-02-26 14:57:45 +01:00
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stack.add_env_var(
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"LAST_EXIT_CODE".into(),
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Value::Int {
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val: 0,
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span: Span { start: 0, end: 0 },
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},
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);
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2022-01-18 09:48:28 +01:00
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loop {
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2022-03-16 19:17:06 +01:00
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if is_perf_true {
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2022-02-10 22:22:39 +01:00
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info!(
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"load config each loop {}:{}:{}",
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file!(),
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line!(),
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column!()
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);
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}
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2022-01-18 09:48:28 +01:00
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let config = match stack.get_config() {
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Ok(config) => config,
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Err(e) => {
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let working_set = StateWorkingSet::new(engine_state);
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report_error(&working_set, &e);
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Config::default()
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}
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};
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//Reset the ctrl-c handler
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2022-01-26 18:26:43 +01:00
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if let Some(ctrlc) = &mut engine_state.ctrlc {
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ctrlc.store(false, Ordering::SeqCst);
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}
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2022-01-18 09:48:28 +01:00
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2022-03-16 19:17:06 +01:00
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if is_perf_true {
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2022-02-10 22:22:39 +01:00
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info!("setup line editor {}:{}:{}", file!(), line!(), column!());
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}
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2022-01-27 08:53:23 +01:00
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let mut line_editor = Reedline::create()
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2022-01-18 09:48:28 +01:00
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.into_diagnostic()?
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.with_highlighter(Box::new(NuHighlighter {
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engine_state: engine_state.clone(),
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config: config.clone(),
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}))
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.with_animation(config.animate_prompt)
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.with_validator(Box::new(NuValidator {
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engine_state: engine_state.clone(),
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}))
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2022-02-18 19:54:13 +01:00
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.with_completer(Box::new(NuCompleter::new(
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engine_state.clone(),
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2022-03-28 19:49:41 +02:00
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stack.clone(),
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2022-02-18 19:54:13 +01:00
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stack.vars.get(&CONFIG_VARIABLE_ID).cloned(),
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)))
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2022-02-04 16:30:21 +01:00
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.with_quick_completions(config.quick_completions)
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2022-03-03 10:13:44 +01:00
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.with_partial_completions(config.partial_completions)
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2022-01-27 08:53:23 +01:00
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.with_ansi_colors(config.use_ansi_coloring);
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2022-03-16 19:17:06 +01:00
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if is_perf_true {
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2022-02-10 22:22:39 +01:00
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info!("setup reedline {}:{}:{}", file!(), line!(), column!());
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}
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2022-01-27 19:44:35 +01:00
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line_editor = add_completion_menu(line_editor, &config);
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2022-01-27 08:53:23 +01:00
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line_editor = add_history_menu(line_editor, &config);
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2022-01-18 09:48:28 +01:00
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2022-03-27 15:01:04 +02:00
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let help_completer = Box::new(NuHelpCompleter::new(engine_state.clone()));
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line_editor = add_help_menu(line_editor, help_completer, &config);
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2022-03-16 19:17:06 +01:00
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if is_perf_true {
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2022-02-10 22:22:39 +01:00
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info!("setup colors {}:{}:{}", file!(), line!(), column!());
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}
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2022-01-18 09:48:28 +01:00
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//FIXME: if config.use_ansi_coloring is false then we should
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// turn off the hinter but I don't see any way to do that yet.
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let color_hm = get_color_config(&config);
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2022-03-16 19:17:06 +01:00
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if is_perf_true {
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2022-02-10 22:22:39 +01:00
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info!(
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"setup history and hinter {}:{}:{}",
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file!(),
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line!(),
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column!()
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);
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}
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2022-01-27 08:53:23 +01:00
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line_editor = if let Some(history_path) = history_path.clone() {
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2022-01-18 09:48:28 +01:00
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let history = std::fs::read_to_string(&history_path);
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if history.is_ok() {
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line_editor
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.with_hinter(Box::new(
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2022-01-20 19:57:47 +01:00
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DefaultHinter::default().with_style(color_hm["hints"]),
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2022-01-18 09:48:28 +01:00
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))
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.with_history(Box::new(
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FileBackedHistory::with_file(
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config.max_history_size as usize,
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history_path.clone(),
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)
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.into_diagnostic()?,
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))
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.into_diagnostic()?
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} else {
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line_editor
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}
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} else {
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line_editor
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};
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2022-03-16 19:17:06 +01:00
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if is_perf_true {
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2022-02-10 22:22:39 +01:00
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info!("setup keybindings {}:{}:{}", file!(), line!(), column!());
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}
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2022-01-18 20:32:45 +01:00
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// Changing the line editor based on the found keybindings
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2022-01-27 08:53:23 +01:00
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line_editor = match reedline_config::create_keybindings(&config) {
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2022-01-19 14:28:08 +01:00
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Ok(keybindings) => match keybindings {
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KeybindingsMode::Emacs(keybindings) => {
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let edit_mode = Box::new(Emacs::new(keybindings));
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line_editor.with_edit_mode(edit_mode)
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}
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KeybindingsMode::Vi {
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insert_keybindings,
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normal_keybindings,
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} => {
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let edit_mode = Box::new(Vi::new(insert_keybindings, normal_keybindings));
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line_editor.with_edit_mode(edit_mode)
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}
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},
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Err(e) => {
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let working_set = StateWorkingSet::new(engine_state);
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report_error(&working_set, &e);
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line_editor
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2022-01-18 20:32:45 +01:00
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}
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2022-01-18 09:48:28 +01:00
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};
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2022-03-16 19:17:06 +01:00
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if is_perf_true {
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2022-02-10 22:22:39 +01:00
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info!("prompt_update {}:{}:{}", file!(), line!(), column!());
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2022-02-09 23:08:16 +01:00
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}
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2022-03-16 19:17:06 +01:00
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let prompt = prompt_update::update_prompt(
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&config,
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engine_state,
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stack,
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&mut nu_prompt,
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is_perf_true,
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);
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2022-01-18 09:48:28 +01:00
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2022-02-10 22:22:39 +01:00
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entry_num += 1;
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2022-03-16 19:17:06 +01:00
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if is_perf_true {
|
2022-02-09 23:08:16 +01:00
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info!(
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2022-02-10 22:22:39 +01:00
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"finished setup, starting repl {}:{}:{}",
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2022-02-09 23:08:16 +01:00
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file!(),
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line!(),
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column!()
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);
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}
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2022-01-18 09:48:28 +01:00
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let input = line_editor.read_line(prompt);
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match input {
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Ok(Signal::Success(s)) => {
|
2022-01-21 15:53:49 +01:00
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let start_time = Instant::now();
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2022-01-18 09:48:28 +01:00
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let tokens = lex(s.as_bytes(), 0, &[], &[], false);
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// Check if this is a single call to a directory, if so auto-cd
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2022-03-16 19:17:06 +01:00
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let cwd = nu_engine::env::current_dir_str(engine_state, stack)?;
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2022-01-18 09:48:28 +01:00
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let path = nu_path::expand_path_with(&s, &cwd);
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let orig = s.clone();
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if (orig.starts_with('.')
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|| orig.starts_with('~')
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|| orig.starts_with('/')
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|| orig.starts_with('\\'))
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&& path.is_dir()
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&& tokens.0.len() == 1
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{
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// We have an auto-cd
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let (path, span) = {
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if !path.exists() {
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let working_set = StateWorkingSet::new(engine_state);
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report_error(
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&working_set,
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&ShellError::DirectoryNotFound(tokens.0[0].span),
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);
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}
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let path = nu_path::canonicalize_with(path, &cwd)
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.expect("internal error: cannot canonicalize known path");
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(path.to_string_lossy().to_string(), tokens.0[0].span)
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};
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//FIXME: this only changes the current scope, but instead this environment variable
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//should probably be a block that loads the information from the state in the overlay
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stack.add_env_var(
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"PWD".into(),
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Value::String {
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val: path.clone(),
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span: Span { start: 0, end: 0 },
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},
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);
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let cwd = Value::String { val: cwd, span };
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let shells = stack.get_env_var(engine_state, "NUSHELL_SHELLS");
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let mut shells = if let Some(v) = shells {
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v.as_list()
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.map(|x| x.to_vec())
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.unwrap_or_else(|_| vec![cwd])
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} else {
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vec![cwd]
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};
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let current_shell = stack.get_env_var(engine_state, "NUSHELL_CURRENT_SHELL");
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let current_shell = if let Some(v) = current_shell {
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|
v.as_integer().unwrap_or_default() as usize
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} else {
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|
0
|
|
|
|
};
|
|
|
|
|
|
|
|
shells[current_shell] = Value::String { val: path, span };
|
|
|
|
|
|
|
|
stack.add_env_var("NUSHELL_SHELLS".into(), Value::List { vals: shells, span });
|
|
|
|
} else {
|
|
|
|
trace!("eval source: {}", s);
|
|
|
|
|
|
|
|
eval_source(
|
|
|
|
engine_state,
|
2022-03-16 19:17:06 +01:00
|
|
|
stack,
|
2022-02-14 16:53:48 +01:00
|
|
|
s.as_bytes(),
|
2022-01-18 09:48:28 +01:00
|
|
|
&format!("entry #{}", entry_num),
|
2022-02-14 16:53:48 +01:00
|
|
|
PipelineData::new(Span::new(0, 0)),
|
2022-01-18 09:48:28 +01:00
|
|
|
);
|
2022-01-21 15:53:49 +01:00
|
|
|
|
|
|
|
stack.add_env_var(
|
|
|
|
"CMD_DURATION_MS".into(),
|
|
|
|
Value::String {
|
|
|
|
val: format!("{}", start_time.elapsed().as_millis()),
|
|
|
|
span: Span { start: 0, end: 0 },
|
|
|
|
},
|
|
|
|
);
|
2022-01-18 09:48:28 +01:00
|
|
|
}
|
|
|
|
// FIXME: permanent state changes like this hopefully in time can be removed
|
|
|
|
// and be replaced by just passing the cwd in where needed
|
|
|
|
if let Some(cwd) = stack.get_env_var(engine_state, "PWD") {
|
|
|
|
let path = cwd.as_string()?;
|
|
|
|
let _ = std::env::set_current_dir(path);
|
|
|
|
engine_state.env_vars.insert("PWD".into(), cwd);
|
|
|
|
}
|
2022-02-24 16:31:24 +01:00
|
|
|
|
|
|
|
// Make a note of the exceptions we see for externals that look like math expressions
|
2022-03-16 19:17:06 +01:00
|
|
|
let exceptions = crate::util::external_exceptions(engine_state, stack);
|
2022-02-24 16:31:24 +01:00
|
|
|
engine_state.external_exceptions = exceptions;
|
2022-01-18 09:48:28 +01:00
|
|
|
}
|
|
|
|
Ok(Signal::CtrlC) => {
|
|
|
|
// `Reedline` clears the line content. New prompt is shown
|
|
|
|
}
|
|
|
|
Ok(Signal::CtrlD) => {
|
|
|
|
// When exiting clear to a new line
|
|
|
|
println!();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
Ok(Signal::CtrlL) => {
|
|
|
|
line_editor.clear_screen().into_diagnostic()?;
|
|
|
|
}
|
|
|
|
Err(err) => {
|
|
|
|
let message = err.to_string();
|
|
|
|
if !message.contains("duration") {
|
|
|
|
println!("Error: {:?}", err);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
Ok(())
|
|
|
|
}
|