Defaults in completions, better schema

helix-core/src/syntax.rs

@@ -5,7 +5,6 @@ use crate::{
     Rope, RopeSlice, Tendril,
 };
 
-use helix_dap::DebugAdapterConfig;
 pub use helix_syntax::get_language;
 
 use arc_swap::ArcSwap;
@@ -69,6 +68,41 @@ pub struct LanguageServerConfiguration {
     pub args: Vec<String>,
 }
 
+#[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
+#[serde(rename_all = "kebab-case")]
+pub struct AdvancedCompletion {
+    pub name: Option<String>,
+    pub completion: Option<String>,
+    pub default: Option<String>,
+}
+
+#[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
+#[serde(rename_all = "kebab-case", untagged)]
+pub enum DebugConfigCompletion {
+    Named(String),
+    Advanced(AdvancedCompletion),
+}
+
+#[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
+#[serde(rename_all = "kebab-case")]
+pub struct DebugTemplate {
+    pub name: String,
+    pub request: String,
+    pub completion: Vec<DebugConfigCompletion>,
+    pub args: HashMap<String, String>,
+}
+
+#[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
+#[serde(rename_all = "kebab-case")]
+pub struct DebugAdapterConfig {
+    pub name: String,
+    pub transport: String,
+    pub command: String,
+    pub args: Vec<String>,
+    pub port_arg: Option<String>,
+    pub templates: Vec<DebugTemplate>,
+}
+
 #[derive(Debug, Serialize, Deserialize)]
 #[serde(rename_all = "kebab-case")]
 pub struct IndentationConfiguration {

helix-dap/src/client.rs

@@ -38,28 +38,24 @@ pub struct Client {
 impl Client {
     // Spawn a process and communicate with it by either TCP or stdio
     pub async fn process(
-        cfg: DebugAdapterConfig,
+        transport: String,
+        command: String,
+        args: Vec<String>,
+        port_arg: Option<String>,
         id: usize,
     ) -> Result<(Self, UnboundedReceiver<Payload>)> {
-        if cfg.transport == "tcp" && cfg.port_arg.is_some() {
+        if transport == "tcp" && port_arg.is_some() {
             Self::tcp_process(
-                &cfg.command,
-                cfg.args.iter().map(|s| s.as_str()).collect(),
-                &cfg.port_arg.unwrap(),
+                &command,
+                args.iter().map(|s| s.as_str()).collect(),
+                &port_arg.unwrap(),
                 id,
             )
             .await
-        } else if cfg.transport == "stdio" {
-            Self::stdio(
-                &cfg.command,
-                cfg.args.iter().map(|s| s.as_str()).collect(),
-                id,
-            )
+        } else if transport == "stdio" {
+            Self::stdio(&command, args.iter().map(|s| s.as_str()).collect(), id)
         } else {
-            Result::Err(Error::Other(anyhow!(
-                "Incorrect transport {}",
-                cfg.transport
-            )))
+            Result::Err(Error::Other(anyhow!("Incorrect transport {}", transport)))
         }
     }
 

helix-dap/src/types.rs

@@ -1,26 +1,6 @@
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
-use std::{collections::HashMap, path::PathBuf};
-
-#[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
-#[serde(rename_all = "kebab-case")]
-pub struct DebugTemplate {
-    pub name: String,
-    pub request: String,
-    pub completion: Vec<String>,
-    pub args: HashMap<String, String>,
-}
-
-#[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
-#[serde(rename_all = "kebab-case")]
-pub struct DebugAdapterConfig {
-    pub name: String,
-    pub transport: String,
-    pub command: String,
-    pub args: Vec<String>,
-    pub port_arg: Option<String>,
-    pub templates: Vec<DebugTemplate>,
-}
+use std::path::PathBuf;
 
 pub trait Request {
     type Arguments: serde::de::DeserializeOwned + serde::Serialize;

helix-term/src/commands.rs

@@ -4528,7 +4528,13 @@ pub fn dap_start_impl(
 
     let result = match socket {
         Some(socket) => block_on(Client::tcp(socket, 0)),
-        None => block_on(Client::process(config.clone(), 0)),
+        None => block_on(Client::process(
+            config.transport.clone(),
+            config.command.clone(),
+            config.args.clone(),
+            config.port_arg.clone(),
+            0,
+        )),
     };
 
     let (mut debugger, events) = match result {

helix-term/src/ui/editor.rs

@@ -11,7 +11,7 @@ use helix_core::{
     coords_at_pos,
     graphemes::{ensure_grapheme_boundary_next, next_grapheme_boundary, prev_grapheme_boundary},
     movement::Direction,
-    syntax::{self, HighlightEvent},
+    syntax::{self, DebugConfigCompletion, HighlightEvent},
     unicode::segmentation::UnicodeSegmentation,
     unicode::width::UnicodeWidthStr,
     LineEnding, Position, Range, Selection,
@@ -710,28 +710,38 @@ impl EditorView {
     }
 
     fn debug_parameter_prompt(
-        completions: Vec<String>,
+        completions: Vec<DebugConfigCompletion>,
         config_name: String,
         mut params: Vec<String>,
     ) -> Prompt {
         let i = params.len();
-        let field_type = completions.get(i).map(|x| x.as_str());
-
-        let noop = |_input: &str| Vec::new();
-        let completer = match field_type {
-            Some(field_type) => {
-                if field_type.starts_with("filename") {
-                    super::completers::filename
-                } else if field_type.starts_with("directory") {
-                    super::completers::directory
+        let completion = completions.get(i).unwrap();
+        let field_type = if let DebugConfigCompletion::Advanced(cfg) = completion {
+            cfg.completion.clone().unwrap_or_else(|| "".to_owned())
         } else {
-                    noop
+            "".to_owned()
+        };
+        let name = match completion {
+            DebugConfigCompletion::Advanced(cfg) => {
+                cfg.name.clone().unwrap_or_else(|| field_type.to_owned())
             }
+            DebugConfigCompletion::Named(name) => name.clone(),
+        };
+        let default_val = match completion {
+            DebugConfigCompletion::Advanced(cfg) => {
+                cfg.default.clone().unwrap_or_else(|| "".to_owned())
             }
-            None => noop,
+            _ => "".to_owned(),
+        };
+
+        let noop = |_input: &str| Vec::new();
+        let completer = match &field_type[..] {
+            "filename" => super::completers::filename,
+            "directory" => super::completers::directory,
+            _ => noop,
         };
         Prompt::new(
-            format!("{}: ", field_type.unwrap_or("arg")),
+            format!("{}: ", name),
             None,
             completer,
             move |cx: &mut crate::compositor::Context, input: &str, event: PromptEvent| {
@@ -739,7 +749,11 @@ impl EditorView {
                     return;
                 }
 
-                params.push(input.to_owned());
+                let mut value = input.to_owned();
+                if value.is_empty() {
+                    value = default_val.clone();
+                }
+                params.push(value);
 
                 if params.len() < completions.len() {
                     let completions = completions.clone();

helix-view/src/editor.rs

@@ -22,7 +22,7 @@ use anyhow::Error;
 
 pub use helix_core::diagnostic::Severity;
 pub use helix_core::register::Registers;
-use helix_core::syntax;
+use helix_core::syntax::{self, DebugConfigCompletion};
 use helix_core::Position;
 
 use serde::Deserialize;
@@ -77,7 +77,7 @@ pub struct Editor {
     pub debugger: Option<helix_dap::Client>,
     pub debugger_events: SelectAll<UnboundedReceiverStream<helix_dap::Payload>>,
     pub debug_config_picker: Option<Vec<String>>,
-    pub debug_config_completions: Option<Vec<Vec<String>>>,
+    pub debug_config_completions: Option<Vec<Vec<DebugConfigCompletion>>>,
     pub variables: Option<Vec<String>>,
     pub variables_page: usize,
 

languages.toml

@@ -173,8 +173,8 @@ args = { mode = "exec", program = "{0}" }
 [[language.debugger.templates]]
 name = "test"
 request = "launch"
-completion = [ "directory: tests", "directory: cache output" ]
-args = { mode = "test", program = "{0}", output = "{1}" }
+completion = [ { name = "tests", completion = "directory", default = "." } ]
+args = { mode = "test", program = "{0}" }
 
 [[language.debugger.templates]]
 name = "attach"