From 48d7c61e26398fa33b94e0e4bd0d2d1697ed4921 Mon Sep 17 00:00:00 2001 From: Benjamin Coenen <5719034+bnjjj@users.noreply.github.com> Date: Sat, 23 May 2020 20:59:18 +0200 Subject: add support of feature flag for runnables #4464 Signed-off-by: Benjamin Coenen <5719034+bnjjj@users.noreply.github.com> --- crates/ra_cfg/src/cfg_expr.rs | 55 --------------- crates/ra_ide/src/runnables.rs | 76 +++++++++++---------- crates/rust-analyzer/Cargo.toml | 3 + crates/rust-analyzer/src/cargo_target_spec.rs | 13 ++-- crates/rust-analyzer/src/main_loop/handlers.rs | 94 +++++++++++++++++++++++++- 5 files changed, 142 insertions(+), 99 deletions(-) (limited to 'crates') diff --git a/crates/ra_cfg/src/cfg_expr.rs b/crates/ra_cfg/src/cfg_expr.rs index 98f44f56d..85b100c6a 100644 --- a/crates/ra_cfg/src/cfg_expr.rs +++ b/crates/ra_cfg/src/cfg_expr.rs @@ -33,33 +33,6 @@ impl CfgExpr { CfgExpr::Not(pred) => pred.fold(query).map(|s| !s), } } - - /// Return minimal features needed - pub fn minimal_features_needed(&self) -> Vec { - let mut features = vec![]; - self.collect_minimal_features_needed(&mut features); - - features - } - - fn collect_minimal_features_needed(&self, features: &mut Vec) { - match self { - CfgExpr::KeyValue { key, value } if key == "feature" => features.push(value.clone()), - CfgExpr::All(preds) => { - preds.iter().for_each(|cfg| cfg.collect_minimal_features_needed(features)); - } - CfgExpr::Any(preds) => { - for cfg in preds { - let len_features = features.len(); - cfg.collect_minimal_features_needed(features); - if len_features != features.len() { - break; - } - } - } - _ => {} - } - } } pub fn parse_cfg(tt: &Subtree) -> CfgExpr { @@ -160,32 +133,4 @@ mod tests { ]), ); } - - #[test] - fn test_cfg_expr_minimal_features_needed() { - let (subtree, _) = get_token_tree_generated(r#"#![cfg(feature = "baz")]"#); - let cfg_expr = parse_cfg(&subtree); - - assert_eq!(cfg_expr.minimal_features_needed(), vec![SmolStr::new("baz")]); - - let (subtree, _) = - get_token_tree_generated(r#"#![cfg(all(feature = "baz", feature = "foo"))]"#); - let cfg_expr = parse_cfg(&subtree); - - assert_eq!( - cfg_expr.minimal_features_needed(), - vec![SmolStr::new("baz"), SmolStr::new("foo")] - ); - - let (subtree, _) = - get_token_tree_generated(r#"#![cfg(any(feature = "baz", feature = "foo", unix))]"#); - let cfg_expr = parse_cfg(&subtree); - - assert_eq!(cfg_expr.minimal_features_needed(), vec![SmolStr::new("baz")]); - - let (subtree, _) = get_token_tree_generated(r#"#![cfg(foo)]"#); - let cfg_expr = parse_cfg(&subtree); - - assert!(cfg_expr.minimal_features_needed().is_empty()); - } } diff --git a/crates/ra_ide/src/runnables.rs b/crates/ra_ide/src/runnables.rs index a460370c5..a96c5f157 100644 --- a/crates/ra_ide/src/runnables.rs +++ b/crates/ra_ide/src/runnables.rs @@ -10,13 +10,14 @@ use ra_syntax::{ use crate::FileId; use ast::DocCommentsOwner; +use ra_cfg::CfgExpr; use std::fmt::Display; #[derive(Debug)] pub struct Runnable { pub range: TextRange, pub kind: RunnableKind, - pub features_needed: Option>, + pub cfg_exprs: Vec, } #[derive(Debug)] @@ -118,9 +119,10 @@ fn runnable_fn( }; let attrs = Attrs::from_attrs_owner(sema.db, InFile::new(HirFileId::from(file_id), &fn_def)); - let features_needed = get_features_needed(attrs); + let cfg_exprs = + attrs.by_key("cfg").tt_values().map(|subtree| ra_cfg::parse_cfg(subtree)).collect(); - Some(Runnable { range: fn_def.syntax().text_range(), kind, features_needed }) + Some(Runnable { range: fn_def.syntax().text_range(), kind, cfg_exprs }) } #[derive(Debug)] @@ -183,15 +185,10 @@ fn runnable_mod( .join("::"); let attrs = Attrs::from_attrs_owner(sema.db, InFile::new(HirFileId::from(file_id), &module)); - let features_needed = get_features_needed(attrs); + let cfg_exprs = + attrs.by_key("cfg").tt_values().map(|subtree| ra_cfg::parse_cfg(subtree)).collect(); - Some(Runnable { range, kind: RunnableKind::TestMod { path }, features_needed }) -} - -fn get_features_needed(attrs: Attrs) -> Option> { - let cfg_expr = attrs.by_key("cfg").tt_values().map(|subtree| ra_cfg::parse_cfg(subtree)); - let features_needed = cfg_expr.map(|cfg| cfg.minimal_features_needed()).flatten().collect(); - Some(features_needed).filter(|it: &Vec| !it.is_empty()) + Some(Runnable { range, kind: RunnableKind::TestMod { path }, cfg_exprs }) } #[cfg(test)] @@ -223,7 +220,7 @@ mod tests { Runnable { range: 1..21, kind: Bin, - features_needed: None, + cfg_exprs: [], }, Runnable { range: 22..46, @@ -235,7 +232,7 @@ mod tests { ignore: false, }, }, - features_needed: None, + cfg_exprs: [], }, Runnable { range: 47..81, @@ -247,7 +244,7 @@ mod tests { ignore: true, }, }, - features_needed: None, + cfg_exprs: [], }, ] "### @@ -275,7 +272,7 @@ mod tests { Runnable { range: 1..21, kind: Bin, - features_needed: None, + cfg_exprs: [], }, Runnable { range: 22..64, @@ -284,7 +281,7 @@ mod tests { "foo", ), }, - features_needed: None, + cfg_exprs: [], }, ] "### @@ -315,7 +312,7 @@ mod tests { Runnable { range: 1..21, kind: Bin, - features_needed: None, + cfg_exprs: [], }, Runnable { range: 51..105, @@ -324,7 +321,7 @@ mod tests { "Data::foo", ), }, - features_needed: None, + cfg_exprs: [], }, ] "### @@ -352,7 +349,7 @@ mod tests { kind: TestMod { path: "test_mod", }, - features_needed: None, + cfg_exprs: [], }, Runnable { range: 28..57, @@ -364,7 +361,7 @@ mod tests { ignore: false, }, }, - features_needed: None, + cfg_exprs: [], }, ] "### @@ -394,7 +391,7 @@ mod tests { kind: TestMod { path: "foo::test_mod", }, - features_needed: None, + cfg_exprs: [], }, Runnable { range: 46..79, @@ -406,7 +403,7 @@ mod tests { ignore: false, }, }, - features_needed: None, + cfg_exprs: [], }, ] "### @@ -438,7 +435,7 @@ mod tests { kind: TestMod { path: "foo::bar::test_mod", }, - features_needed: None, + cfg_exprs: [], }, Runnable { range: 68..105, @@ -450,7 +447,7 @@ mod tests { ignore: false, }, }, - features_needed: None, + cfg_exprs: [], }, ] "### @@ -482,11 +479,12 @@ mod tests { ignore: false, }, }, - features_needed: Some( - [ - "foo", - ], - ), + cfg_exprs: [ + KeyValue { + key: "feature", + value: "foo", + }, + ], }, ] "### @@ -518,12 +516,20 @@ mod tests { ignore: false, }, }, - features_needed: Some( - [ - "foo", - "bar", - ], - ), + cfg_exprs: [ + All( + [ + KeyValue { + key: "feature", + value: "foo", + }, + KeyValue { + key: "feature", + value: "bar", + }, + ], + ), + ], }, ] "### diff --git a/crates/rust-analyzer/Cargo.toml b/crates/rust-analyzer/Cargo.toml index 9b2d29b1d..65b487db3 100644 --- a/crates/rust-analyzer/Cargo.toml +++ b/crates/rust-analyzer/Cargo.toml @@ -40,6 +40,7 @@ ra_project_model = { path = "../ra_project_model" } ra_syntax = { path = "../ra_syntax" } ra_text_edit = { path = "../ra_text_edit" } ra_vfs = "0.6.0" +ra_cfg = { path = "../ra_cfg"} # This should only be used in CLI ra_db = { path = "../ra_db" } @@ -55,6 +56,8 @@ winapi = "0.3.8" tempfile = "3.1.0" insta = "0.16.0" test_utils = { path = "../test_utils" } +mbe = { path = "../ra_mbe", package = "ra_mbe" } +tt = { path = "../ra_tt", package = "ra_tt" } [features] jemalloc = [ "ra_prof/jemalloc" ] diff --git a/crates/rust-analyzer/src/cargo_target_spec.rs b/crates/rust-analyzer/src/cargo_target_spec.rs index a2f85060b..441fb61df 100644 --- a/crates/rust-analyzer/src/cargo_target_spec.rs +++ b/crates/rust-analyzer/src/cargo_target_spec.rs @@ -21,7 +21,7 @@ impl CargoTargetSpec { pub(crate) fn runnable_args( spec: Option, kind: &RunnableKind, - features_needed: &Option>, + features_needed: &Vec, ) -> Result<(Vec, Vec)> { let mut args = Vec::new(); let mut extra_args = Vec::new(); @@ -76,12 +76,11 @@ impl CargoTargetSpec { } } - if let Some(features_needed) = features_needed { - features_needed.iter().for_each(|feature| { - args.push("--features".to_string()); - args.push(feature.to_string()); - }); - } + features_needed.iter().for_each(|feature| { + args.push("--features".to_string()); + args.push(feature.to_string()); + }); + Ok((args, extra_args)) } diff --git a/crates/rust-analyzer/src/main_loop/handlers.rs b/crates/rust-analyzer/src/main_loop/handlers.rs index cc9abd162..5f6e845a8 100644 --- a/crates/rust-analyzer/src/main_loop/handlers.rs +++ b/crates/rust-analyzer/src/main_loop/handlers.rs @@ -17,12 +17,13 @@ use lsp_types::{ SemanticTokensParams, SemanticTokensRangeParams, SemanticTokensRangeResult, SemanticTokensResult, SymbolInformation, TextDocumentIdentifier, TextEdit, Url, WorkspaceEdit, }; +use ra_cfg::CfgExpr; use ra_ide::{ Assist, FileId, FilePosition, FileRange, Query, RangeInfo, Runnable, RunnableKind, SearchScope, }; use ra_prof::profile; use ra_project_model::TargetKind; -use ra_syntax::{AstNode, SyntaxKind, TextRange, TextSize}; +use ra_syntax::{AstNode, SmolStr, SyntaxKind, TextRange, TextSize}; use rustc_hash::FxHashMap; use serde::{Deserialize, Serialize}; use serde_json::to_value; @@ -38,6 +39,7 @@ use crate::{ world::WorldSnapshot, LspError, Result, }; +use hir::Attrs; pub fn handle_analyzer_status(world: WorldSnapshot, _: ()) -> Result { let _p = profile("handle_analyzer_status"); @@ -1006,8 +1008,12 @@ fn to_lsp_runnable( ) -> Result { let spec = CargoTargetSpec::for_file(world, file_id)?; let target = spec.as_ref().map(|s| s.target.clone()); + let mut features_needed = vec![]; + for cfg_expr in &runnable.cfg_exprs { + collect_minimal_features_needed(cfg_expr, &mut features_needed); + } let (args, extra_args) = - CargoTargetSpec::runnable_args(spec, &runnable.kind, &runnable.features_needed)?; + CargoTargetSpec::runnable_args(spec, &runnable.kind, &features_needed)?; let line_index = world.analysis().file_line_index(file_id)?; let label = match &runnable.kind { RunnableKind::Test { test_id, .. } => format!("test {}", test_id), @@ -1033,6 +1039,39 @@ fn to_lsp_runnable( }) } +fn get_features_needed(attrs: Attrs) -> Option> { + let cfg_expr = attrs.by_key("cfg").tt_values().map(|subtree| ra_cfg::parse_cfg(subtree)); + let features_needed = cfg_expr + .map(|cfg| { + let mut min_features = vec![]; + collect_minimal_features_needed(&cfg, &mut min_features); + min_features + }) + .flatten() + .collect(); + Some(features_needed).filter(|it: &Vec| !it.is_empty()) +} + +/// Fill minimal features needed +fn collect_minimal_features_needed(cfg_expr: &CfgExpr, features: &mut Vec) { + match cfg_expr { + CfgExpr::KeyValue { key, value } if key == "feature" => features.push(value.clone()), + CfgExpr::All(preds) => { + preds.iter().for_each(|cfg| collect_minimal_features_needed(cfg, features)); + } + CfgExpr::Any(preds) => { + for cfg in preds { + let len_features = features.len(); + collect_minimal_features_needed(cfg, features); + if len_features != features.len() { + break; + } + } + } + _ => {} + } +} + pub fn handle_inlay_hints( world: WorldSnapshot, params: InlayHintsParams, @@ -1169,3 +1208,54 @@ pub fn handle_semantic_tokens_range( let semantic_tokens = to_proto::semantic_tokens(&text, &line_index, highlights); Ok(Some(semantic_tokens.into())) } + +#[cfg(test)] +mod tests { + use super::*; + + use mbe::{ast_to_token_tree, TokenMap}; + use ra_cfg::parse_cfg; + use ra_syntax::{ + ast::{self, AstNode}, + SmolStr, + }; + + fn get_token_tree_generated(input: &str) -> (tt::Subtree, TokenMap) { + let source_file = ast::SourceFile::parse(input).ok().unwrap(); + let tt = source_file.syntax().descendants().find_map(ast::TokenTree::cast).unwrap(); + ast_to_token_tree(&tt).unwrap() + } + + #[test] + fn test_cfg_expr_minimal_features_needed() { + let (subtree, _) = get_token_tree_generated(r#"#![cfg(feature = "baz")]"#); + let cfg_expr = parse_cfg(&subtree); + let mut min_features = vec![]; + collect_minimal_features_needed(&cfg_expr, &mut min_features); + + assert_eq!(min_features, vec![SmolStr::new("baz")]); + + let (subtree, _) = + get_token_tree_generated(r#"#![cfg(all(feature = "baz", feature = "foo"))]"#); + let cfg_expr = parse_cfg(&subtree); + + let mut min_features = vec![]; + collect_minimal_features_needed(&cfg_expr, &mut min_features); + assert_eq!(min_features, vec![SmolStr::new("baz"), SmolStr::new("foo")]); + + let (subtree, _) = + get_token_tree_generated(r#"#![cfg(any(feature = "baz", feature = "foo", unix))]"#); + let cfg_expr = parse_cfg(&subtree); + + let mut min_features = vec![]; + collect_minimal_features_needed(&cfg_expr, &mut min_features); + assert_eq!(min_features, vec![SmolStr::new("baz")]); + + let (subtree, _) = get_token_tree_generated(r#"#![cfg(foo)]"#); + let cfg_expr = parse_cfg(&subtree); + + let mut min_features = vec![]; + collect_minimal_features_needed(&cfg_expr, &mut min_features); + assert!(min_features.is_empty()); + } +} -- cgit v1.2.3