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-rw-r--r--crates/ra_ide_api/src/call_info.rs47
1 files changed, 7 insertions, 40 deletions
diff --git a/crates/ra_ide_api/src/call_info.rs b/crates/ra_ide_api/src/call_info.rs
index 18b9508ef..798fb7c13 100644
--- a/crates/ra_ide_api/src/call_info.rs
+++ b/crates/ra_ide_api/src/call_info.rs
@@ -1,5 +1,3 @@
1use std::cmp::{max, min};
2
3use ra_db::SyntaxDatabase; 1use ra_db::SyntaxDatabase;
4use ra_syntax::{ 2use ra_syntax::{
5 AstNode, SyntaxNode, TextUnit, TextRange, 3 AstNode, SyntaxNode, TextUnit, TextRange,
@@ -107,15 +105,13 @@ impl<'a> FnCallNode<'a> {
107 105
108impl CallInfo { 106impl CallInfo {
109 fn new(node: &ast::FnDef) -> Option<Self> { 107 fn new(node: &ast::FnDef) -> Option<Self> {
110 let mut doc = None; 108 let label: String = if let Some(body) = node.body() {
111
112 // Strip the body out for the label.
113 let mut label: String = if let Some(body) = node.body() {
114 let body_range = body.syntax().range(); 109 let body_range = body.syntax().range();
115 let label: String = node 110 let label: String = node
116 .syntax() 111 .syntax()
117 .children() 112 .children()
118 .filter(|child| !child.range().is_subrange(&body_range)) 113 .filter(|child| !child.range().is_subrange(&body_range)) // Filter out body
114 .filter(|child| ast::Comment::cast(child).is_none()) // Filter out doc comments
119 .map(|node| node.text().to_string()) 115 .map(|node| node.text().to_string())
120 .collect(); 116 .collect();
121 label 117 label
@@ -123,16 +119,9 @@ impl CallInfo {
123 node.syntax().text().to_string() 119 node.syntax().text().to_string()
124 }; 120 };
125 121
126 if let Some((comment_range, docs)) = extract_doc_comments(node) { 122 let mut doc = None;
127 let comment_range = comment_range 123 let docs = node.doc_comment_text();
128 .checked_sub(node.syntax().range().start()) 124 if !docs.is_empty() {
129 .unwrap();
130 let start = comment_range.start().to_usize();
131 let end = comment_range.end().to_usize();
132
133 // Remove the comment from the label
134 label.replace_range(start..end, "");
135
136 // Massage markdown 125 // Massage markdown
137 let mut processed_lines = Vec::new(); 126 let mut processed_lines = Vec::new();
138 let mut in_code_block = false; 127 let mut in_code_block = false;
@@ -150,9 +139,7 @@ impl CallInfo {
150 processed_lines.push(line); 139 processed_lines.push(line);
151 } 140 }
152 141
153 if !processed_lines.is_empty() { 142 doc = Some(processed_lines.join("\n"));
154 doc = Some(processed_lines.join("\n"));
155 }
156 } 143 }
157 144
158 Some(CallInfo { 145 Some(CallInfo {
@@ -164,26 +151,6 @@ impl CallInfo {
164 } 151 }
165} 152}
166 153
167fn extract_doc_comments(node: &ast::FnDef) -> Option<(TextRange, String)> {
168 if node.doc_comments().count() == 0 {
169 return None;
170 }
171
172 let comment_text = node.doc_comment_text();
173
174 let (begin, end) = node
175 .doc_comments()
176 .map(|comment| comment.syntax().range())
177 .map(|range| (range.start().to_usize(), range.end().to_usize()))
178 .fold((std::usize::MAX, std::usize::MIN), |acc, range| {
179 (min(acc.0, range.0), max(acc.1, range.1))
180 });
181
182 let range = TextRange::from_to(TextUnit::from_usize(begin), TextUnit::from_usize(end));
183
184 Some((range, comment_text))
185}
186
187fn param_list(node: &ast::FnDef) -> Vec<String> { 154fn param_list(node: &ast::FnDef) -> Vec<String> {
188 let mut res = vec![]; 155 let mut res = vec![];
189 if let Some(param_list) = node.param_list() { 156 if let Some(param_list) = node.param_list() {