Merge #513

513: Add bench runnable and code lens r=matklad a=kjeremy



Co-authored-by: Jeremy Kolb <kjeremy@gmail.com>

crates/ra_ide_api/src/runnables.rs

@@ -17,6 +17,7 @@ pub struct Runnable {
 pub enum RunnableKind {
     Test { name: String },
     TestMod { path: String },
+    Bench { name: String },
     Bin,
 }
 
@@ -48,6 +49,10 @@ fn runnable_fn(fn_def: &ast::FnDef) -> Option<Runnable> {
         RunnableKind::Test {
             name: name.to_string(),
         }
+    } else if fn_def.has_atom_attr("bench") {
+        RunnableKind::Bench {
+            name: name.to_string(),
+        }
     } else {
         return None;
     };

crates/ra_lsp_server/src/cargo_target_spec.rs

@@ -32,6 +32,15 @@ pub(crate) fn runnable_args(
             res.push(path.to_string());
             res.push("--nocapture".to_string());
         }
+        RunnableKind::Bench { name } => {
+            res.push("bench".to_string());
+            if let Some(spec) = spec {
+                spec.push_to(&mut res);
+            }
+            res.push("--".to_string());
+            res.push(name.to_string());
+            res.push("--nocapture".to_string());
+        }
         RunnableKind::Bin => {
             res.push("run".to_string());
             if let Some(spec) = spec {

crates/ra_lsp_server/src/main_loop/handlers.rs

@@ -2,22 +2,23 @@ use std::collections::HashMap;
 
 use gen_lsp_server::ErrorCode;
 use languageserver_types::{
-    CodeActionResponse, Command, CodeLens, Diagnostic, DiagnosticSeverity, DocumentFormattingParams,
-    DocumentHighlight, DocumentSymbol, Documentation, FoldingRange, FoldingRangeKind,
-    FoldingRangeParams, Hover, HoverContents, Location, MarkupContent, MarkupKind,
-    ParameterInformation, ParameterLabel, Position, PrepareRenameResponse, Range, RenameParams,
-    SignatureInformation, SymbolInformation, TextDocumentIdentifier, TextEdit, WorkspaceEdit,
+    CodeActionResponse, CodeLens, Command, Diagnostic, DiagnosticSeverity,
+    DocumentFormattingParams, DocumentHighlight, DocumentSymbol, Documentation, FoldingRange,
+    FoldingRangeKind, FoldingRangeParams, Hover, HoverContents, Location, MarkupContent,
+    MarkupKind, ParameterInformation, ParameterLabel, Position, PrepareRenameResponse, Range,
+    RenameParams, SignatureInformation, SymbolInformation, TextDocumentIdentifier, TextEdit,
+    WorkspaceEdit,
 };
 use ra_ide_api::{
-    FileId, FilePosition, FileRange, FoldKind, Query, RunnableKind, Severity, RangeInfo,
+    FileId, FilePosition, FileRange, FoldKind, Query, RangeInfo, RunnableKind, Severity,
 };
-use ra_syntax::{TextUnit, AstNode};
+use ra_syntax::{AstNode, TextUnit};
 use rustc_hash::FxHashMap;
 use serde_json::to_value;
 use std::io::Write;
 
 use crate::{
-    cargo_target_spec::{CargoTargetSpec, runnable_args},
+    cargo_target_spec::{runnable_args, CargoTargetSpec},
     conv::{to_location, to_location_link, Conv, ConvWith, MapConvWith, TryConvWith},
     req::{self, Decoration},
     server_world::ServerWorld,
@@ -258,6 +259,7 @@ pub fn handle_runnables(
             label: match &runnable.kind {
                 RunnableKind::Test { name } => format!("test {}", name),
                 RunnableKind::TestMod { path } => format!("test-mod {}", path),
+                RunnableKind::Bench { name } => format!("bench {}", name),
                 RunnableKind::Bin => "run binary".to_string(),
             },
             bin: "cargo".to_string(),
@@ -586,10 +588,14 @@ pub fn handle_code_lens(
     let mut lenses: Vec<CodeLens> = Default::default();
 
     for runnable in world.analysis().runnables(file_id)? {
-        match &runnable.kind {
-            RunnableKind::Test { name: _ } | RunnableKind::TestMod { path: _ } => {
-                let args = runnable_args(&world, file_id, &runnable.kind)?;
+        let title = match &runnable.kind {
+            RunnableKind::Test { name: _ } | RunnableKind::TestMod { path: _ } => Some("Run Test"),
+            RunnableKind::Bench { name: _ } => Some("Run Bench"),
+            _ => None,
+        };
 
+        if let Some(title) = title {
+            let args = runnable_args(&world, file_id, &runnable.kind)?;
             let range = runnable.range.conv_with(&line_index);
 
             // This represents the actual command that will be run.
@@ -604,7 +610,7 @@ pub fn handle_code_lens(
             let lens = CodeLens {
                 range,
                 command: Some(Command {
-                        title: "Run Test".into(),
+                    title: title.into(),
                     command: "ra-lsp.run-single".into(),
                     arguments: Some(vec![to_value(r).unwrap()]),
                 }),
@@ -613,8 +619,6 @@ pub fn handle_code_lens(
 
             lenses.push(lens);
         }
-            _ => continue,
-        };
     }
 
     return Ok(Some(lenses));