From b795a07320e13bcbedb6435bcfddb3ecd0ed2bde Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sun, 31 May 2020 10:14:36 +0200
Subject: Doc more features

---
 crates/ra_ide/src/expand_macro.rs | 11 +++++++++--
 crates/ra_ide/src/ssr.rs          | 24 ++++++++++++++++++++++--
 crates/ra_ide/src/status.rs       | 11 +++++++++--
 3 files changed, 40 insertions(+), 6 deletions(-)

(limited to 'crates/ra_ide/src')

diff --git a/crates/ra_ide/src/expand_macro.rs b/crates/ra_ide/src/expand_macro.rs
index f536ba3e7..54a47aac0 100644
--- a/crates/ra_ide/src/expand_macro.rs
+++ b/crates/ra_ide/src/expand_macro.rs
@@ -1,5 +1,3 @@
-//! This modules implements "expand macro" functionality in the IDE
-
 use hir::Semantics;
 use ra_ide_db::RootDatabase;
 use ra_syntax::{
@@ -14,6 +12,15 @@ pub struct ExpandedMacro {
     pub expansion: String,
 }
 
+// Feature: Expand Macro Recursively
+//
+// Shows the full macro expansion of the macro at current cursor.
+//
+// |===
+// | Editor  | Action Name
+//
+// | VS Code | **Rust Analyzer: Expand macro recursively**
+// |===
 pub(crate) fn expand_macro(db: &RootDatabase, position: FilePosition) -> Option<ExpandedMacro> {
     let sema = Semantics::new(db);
     let file = sema.parse(position.file_id);
diff --git a/crates/ra_ide/src/ssr.rs b/crates/ra_ide/src/ssr.rs
index 130d3b4c3..93e9aee1d 100644
--- a/crates/ra_ide/src/ssr.rs
+++ b/crates/ra_ide/src/ssr.rs
@@ -1,5 +1,3 @@
-//!  structural search replace
-
 use std::{collections::HashMap, iter::once, str::FromStr};
 
 use ra_db::{SourceDatabase, SourceDatabaseExt};
@@ -25,6 +23,28 @@ impl std::fmt::Display for SsrError {
 
 impl std::error::Error for SsrError {}
 
+// Feature: Structural Seach and Replace
+//
+// Search and replace with named wildcards that will match any expression.
+// The syntax for a structural search replace command is `<search_pattern> ==>> <replace_pattern>`.
+// A `$<name>:expr` placeholder in the search pattern will match any expression and `$<name>` will reference it in the replacement.
+// Available via the command `rust-analyzer.ssr`.
+//
+// ```rust
+// // Using structural search replace command [foo($a:expr, $b:expr) ==>> ($a).foo($b)]
+//
+// // BEFORE
+// String::from(foo(y + 5, z))
+//
+// // AFTER
+// String::from((y + 5).foo(z))
+// ```
+//
+// |===
+// | Editor  | Action Name
+//
+// | VS Code | **Rust Analyzer: Structural Search Replace**
+// |===
 pub fn parse_search_replace(
     query: &str,
     parse_only: bool,
diff --git a/crates/ra_ide/src/status.rs b/crates/ra_ide/src/status.rs
index 30eb5c995..5b7992920 100644
--- a/crates/ra_ide/src/status.rs
+++ b/crates/ra_ide/src/status.rs
@@ -1,5 +1,3 @@
-//! FIXME: write short doc here
-
 use std::{fmt, iter::FromIterator, sync::Arc};
 
 use hir::MacroFile;
@@ -26,6 +24,15 @@ fn macro_syntax_tree_stats(db: &RootDatabase) -> SyntaxTreeStats {
     db.query(hir::db::ParseMacroQuery).entries::<SyntaxTreeStats>()
 }
 
+// Feature: Status
+//
+// Shows internal statistic about memory usage of rust-analyzer.
+//
+// |===
+// | Editor  | Action Name
+//
+// | VS Code | **Rust Analyzer: Status**
+// |===
 pub(crate) fn status(db: &RootDatabase) -> String {
     let files_stats = db.query(FileTextQuery).entries::<FilesStats>();
     let syntax_tree_stats = syntax_tree_stats(db);
-- 
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