forked from Mirrors/helix
Extract dap commands into a separate file
Blaž Hrastnik
3 years ago
parent
ee2ba744a2
commit
d6ccc150c7
@ -0,0 +1,349 @@
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use super::{Context, Editor};
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use helix_dap::Client;
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use helix_lsp::block_on;
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use serde_json::{to_value, Value};
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use tokio_stream::wrappers::UnboundedReceiverStream;
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use std::collections::HashMap;
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// DAP
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pub fn dap_start_impl(
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editor: &mut Editor,
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name: Option<&str>,
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socket: Option<std::net::SocketAddr>,
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params: Option<Vec<&str>>,
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) {
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let (_, doc) = current!(editor);
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let path = match doc.path() {
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Some(path) => path.to_path_buf(),
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None => {
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editor.set_error("Can't start debug: document has no path".to_string());
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return;
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}
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};
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let config = editor
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.syn_loader
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.language_config_for_file_name(&path)
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.and_then(|x| x.debugger.clone());
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let config = match config {
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Some(c) => c,
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None => {
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editor.set_error(
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"Can't start debug: no debug adapter available for language".to_string(),
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);
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return;
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}
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};
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let result = match socket {
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Some(socket) => block_on(Client::tcp(socket, 0)),
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None => block_on(Client::process(
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config.transport.clone(),
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config.command.clone(),
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config.args.clone(),
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config.port_arg.clone(),
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0,
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)),
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};
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let (mut debugger, events) = match result {
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Ok(r) => r,
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Err(e) => {
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editor.set_error(format!("Failed to start debug session: {:?}", e));
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return;
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}
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};
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let request = debugger.initialize(config.name.clone());
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if let Err(e) = block_on(request) {
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editor.set_error(format!("Failed to initialize debug adapter: {:?}", e));
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return;
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}
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let start_config = match name {
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Some(name) => config.templates.iter().find(|t| t.name == name),
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None => config.templates.get(0),
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};
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let start_config = match start_config {
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Some(c) => c,
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None => {
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editor.set_error("Can't start debug: no debug config with given name".to_string());
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return;
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}
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};
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let template = start_config.args.clone();
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let mut args: HashMap<String, Value> = HashMap::new();
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if let Some(params) = params {
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for (k, t) in template {
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let mut value = t;
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for (i, x) in params.iter().enumerate() {
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// For param #0 replace {0} in args
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value = value.replace(format!("{{{}}}", i).as_str(), x);
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}
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if let Ok(integer) = value.parse::<usize>() {
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args.insert(k, Value::Number(serde_json::Number::from(integer)));
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} else {
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args.insert(k, Value::String(value));
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}
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}
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}
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let args = to_value(args).unwrap();
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let result = match &start_config.request[..] {
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"launch" => block_on(debugger.launch(args)),
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"attach" => block_on(debugger.attach(args)),
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_ => {
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editor.set_error("Unsupported request".to_string());
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return;
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}
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};
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if let Err(e) = result {
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editor.set_error(format!("Failed {} target: {:?}", start_config.request, e));
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return;
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}
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// TODO: either await "initialized" or buffer commands until event is received
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editor.debugger = Some(debugger);
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let stream = UnboundedReceiverStream::new(events);
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editor.debugger_events.push(stream);
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}
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pub fn dap_launch(cx: &mut Context) {
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if cx.editor.debugger.is_some() {
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cx.editor
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.set_error("Can't start debug: debugger is running".to_string());
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return;
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}
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let (_, doc) = current!(cx.editor);
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let path = match doc.path() {
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Some(path) => path.to_path_buf(),
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None => {
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cx.editor
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.set_error("Can't start debug: document has no path".to_string());
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return;
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}
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};
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let config = cx
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.editor
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.syn_loader
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.language_config_for_file_name(&path)
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.and_then(|x| x.debugger.clone());
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let config = match config {
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Some(c) => c,
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None => {
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cx.editor.set_error(
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"Can't start debug: no debug adapter available for language".to_string(),
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);
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return;
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}
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};
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cx.editor.debug_config_picker = Some(config.templates.iter().map(|t| t.name.clone()).collect());
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cx.editor.debug_config_completions = Some(
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config
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.templates
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.iter()
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.map(|t| t.completion.clone())
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.collect(),
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);
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}
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pub fn dap_toggle_breakpoint(cx: &mut Context) {
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let (view, doc) = current!(cx.editor);
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let text = doc.text().slice(..);
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let pos = doc.selection(view.id).primary().cursor(text);
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let breakpoint = helix_dap::SourceBreakpoint {
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line: text.char_to_line(pos) + 1, // convert from 0-indexing to 1-indexing (TODO: could set debugger to 0-indexing on init)
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..Default::default()
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};
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let path = match doc.path() {
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Some(path) => path.to_path_buf(),
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None => {
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cx.editor
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.set_error("Can't set breakpoint: document has no path".to_string());
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return;
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}
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};
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// TODO: need to map breakpoints over edits and update them?
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// we shouldn't really allow editing while debug is running though
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if let Some(debugger) = &mut cx.editor.debugger {
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let breakpoints = debugger.breakpoints.entry(path.clone()).or_default();
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if let Some(pos) = breakpoints.iter().position(|b| b.line == breakpoint.line) {
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breakpoints.remove(pos);
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} else {
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breakpoints.push(breakpoint);
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}
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let breakpoints = breakpoints.clone();
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let request = debugger.set_breakpoints(path, breakpoints);
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if let Err(e) = block_on(request) {
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cx.editor
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.set_error(format!("Failed to set breakpoints: {:?}", e));
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}
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}
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}
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pub fn dap_run(cx: &mut Context) {
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if let Some(debugger) = &mut cx.editor.debugger {
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if debugger.is_running {
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cx.editor
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.set_status("Debuggee is already running".to_owned());
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return;
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}
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let request = debugger.configuration_done();
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if let Err(e) = block_on(request) {
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cx.editor.set_error(format!("Failed to run: {:?}", e));
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return;
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}
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debugger.is_running = true;
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}
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}
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pub fn dap_continue(cx: &mut Context) {
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if let Some(debugger) = &mut cx.editor.debugger {
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if debugger.is_running {
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cx.editor
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.set_status("Debuggee is already running".to_owned());
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return;
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}
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let request = debugger.continue_thread(debugger.stopped_thread.unwrap());
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if let Err(e) = block_on(request) {
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cx.editor.set_error(format!("Failed to continue: {:?}", e));
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return;
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}
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debugger.is_running = true;
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debugger.stack_pointer = None;
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}
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}
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pub fn dap_pause(cx: &mut Context) {
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if let Some(debugger) = &mut cx.editor.debugger {
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if !debugger.is_running {
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cx.editor.set_status("Debuggee is not running".to_owned());
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return;
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}
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// FIXME: correct number here
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let request = debugger.pause(0);
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if let Err(e) = block_on(request) {
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cx.editor.set_error(format!("Failed to pause: {:?}", e));
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}
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}
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}
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pub fn dap_step_in(cx: &mut Context) {
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if let Some(debugger) = &mut cx.editor.debugger {
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if debugger.is_running {
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cx.editor
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.set_status("Debuggee is already running".to_owned());
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return;
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}
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let request = debugger.step_in(debugger.stopped_thread.unwrap());
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if let Err(e) = block_on(request) {
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cx.editor.set_error(format!("Failed to step: {:?}", e));
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}
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}
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}
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pub fn dap_step_out(cx: &mut Context) {
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if let Some(debugger) = &mut cx.editor.debugger {
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if debugger.is_running {
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cx.editor
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.set_status("Debuggee is already running".to_owned());
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return;
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}
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let request = debugger.step_out(debugger.stopped_thread.unwrap());
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if let Err(e) = block_on(request) {
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cx.editor.set_error(format!("Failed to step: {:?}", e));
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}
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}
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}
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pub fn dap_next(cx: &mut Context) {
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if let Some(debugger) = &mut cx.editor.debugger {
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if debugger.is_running {
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cx.editor
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.set_status("Debuggee is already running".to_owned());
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return;
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}
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let request = debugger.next(debugger.stopped_thread.unwrap());
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if let Err(e) = block_on(request) {
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cx.editor.set_error(format!("Failed to step: {:?}", e));
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}
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}
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}
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pub fn dap_variables(cx: &mut Context) {
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if let Some(debugger) = &mut cx.editor.debugger {
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if debugger.is_running {
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cx.editor
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.set_status("Cannot access variables while target is running".to_owned());
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return;
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}
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if debugger.stack_pointer.is_none() {
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cx.editor
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.set_status("Cannot find current stack pointer to access variables".to_owned());
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return;
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}
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let frame_id = debugger.stack_pointer.clone().unwrap().id;
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let scopes = match block_on(debugger.scopes(frame_id)) {
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Ok(s) => s,
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Err(e) => {
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cx.editor
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.set_error(format!("Failed to get scopes: {:?}", e));
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return;
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}
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};
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let mut variables = Vec::new();
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for scope in scopes.iter() {
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let response = block_on(debugger.variables(scope.variables_reference));
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if let Ok(vars) = response {
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for var in vars {
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let prefix = match var.data_type {
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Some(data_type) => format!("{} ", data_type),
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None => "".to_owned(),
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};
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variables.push(format!("{}{} = {}\n", prefix, var.name, var.value));
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}
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}
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}
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if !variables.is_empty() {
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cx.editor.variables = Some(variables);
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cx.editor.variables_page = 0;
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}
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}
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}
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pub fn dap_terminate(cx: &mut Context) {
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if let Some(debugger) = &mut cx.editor.debugger {
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let request = debugger.disconnect();
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if let Err(e) = block_on(request) {
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cx.editor
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.set_error(format!("Failed to disconnect: {:?}", e));
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return;
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}
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cx.editor.debugger = None;
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}
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}
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