Add support of runnables arguments in Rust Analyzer

crates/rust-analyzer/src/config.rs

@@ -38,6 +38,7 @@ pub struct Config {
     pub cargo: CargoConfig,
     pub rustfmt: RustfmtConfig,
     pub flycheck: Option<FlycheckConfig>,
+    pub runnables: RunnablesConfig,
 
     pub inlay_hints: InlayHintsConfig,
     pub completion: CompletionConfig,
@@ -124,6 +125,15 @@ pub enum RustfmtConfig {
     CustomCommand { command: String, args: Vec<String> },
 }
 
+/// Configuration for runnable items, such as `main` function or tests.
+#[derive(Debug, Clone, Default)]
+pub struct RunnablesConfig {
+    /// Stuff to be inserted before `cargo`, e.g. `RUST_LOG=info`.
+    pub cargo_prefix: Vec<String>,
+    /// Additional arguments for the `cargo`, e.g. `--release`.
+    pub cargo_extra_args: Vec<String>,
+}
+
 #[derive(Debug, Clone, Default)]
 pub struct ClientCapsConfig {
     pub location_link: bool,
@@ -164,6 +174,7 @@ impl Config {
                 extra_args: Vec::new(),
                 features: Vec::new(),
             }),
+            runnables: RunnablesConfig::default(),
 
             inlay_hints: InlayHintsConfig {
                 type_hints: true,
@@ -220,6 +231,10 @@ impl Config {
             load_out_dirs_from_check: data.cargo_loadOutDirsFromCheck,
             target: data.cargo_target.clone(),
         };
+        self.runnables = RunnablesConfig {
+            cargo_prefix: data.runnables_cargoPrefix,
+            cargo_extra_args: data.runnables_cargoExtraArgs,
+        };
 
         self.proc_macro_srv = if data.procMacro_enable {
             std::env::current_exe().ok().map(|path| (path, vec!["proc-macro".into()]))
@@ -474,6 +489,9 @@ config_data! {
         notifications_cargoTomlNotFound: bool      = true,
         procMacro_enable: bool                     = false,
 
+        runnables_cargoPrefix: Vec<String>    = Vec::new(),
+        runnables_cargoExtraArgs: Vec<String> = Vec::new(),
+
         rustfmt_extraArgs: Vec<String>               = Vec::new(),
         rustfmt_overrideCommand: Option<Vec<String>> = None,