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-rw-r--r--crates/ra_syntax/src/lib.rs2
-rw-r--r--crates/ra_syntax/src/parsing.rs2
-rw-r--r--crates/ra_syntax/src/parsing/lexer.rs9
3 files changed, 11 insertions, 2 deletions
diff --git a/crates/ra_syntax/src/lib.rs b/crates/ra_syntax/src/lib.rs
index 1cbc3e9e1..c56bc9f16 100644
--- a/crates/ra_syntax/src/lib.rs
+++ b/crates/ra_syntax/src/lib.rs
@@ -40,7 +40,7 @@ pub use crate::{
40 syntax_text::SyntaxText, 40 syntax_text::SyntaxText,
41 syntax_node::{Direction, SyntaxNode, WalkEvent, TreeArc, SyntaxTreeBuilder, SyntaxElement, SyntaxToken}, 41 syntax_node::{Direction, SyntaxNode, WalkEvent, TreeArc, SyntaxTreeBuilder, SyntaxElement, SyntaxToken},
42 ptr::{SyntaxNodePtr, AstPtr}, 42 ptr::{SyntaxNodePtr, AstPtr},
43 parsing::{tokenize, next_token, Token}, 43 parsing::{tokenize, classify_literal, Token},
44}; 44};
45 45
46use ra_text_edit::AtomTextEdit; 46use ra_text_edit::AtomTextEdit;
diff --git a/crates/ra_syntax/src/parsing.rs b/crates/ra_syntax/src/parsing.rs
index f0750d737..15d69c5ab 100644
--- a/crates/ra_syntax/src/parsing.rs
+++ b/crates/ra_syntax/src/parsing.rs
@@ -11,7 +11,7 @@ use crate::{
11 syntax_node::GreenNode, 11 syntax_node::GreenNode,
12}; 12};
13 13
14pub use self::lexer::{tokenize, next_token, Token}; 14pub use self::lexer::{tokenize, classify_literal, Token};
15 15
16pub(crate) use self::reparsing::incremental_reparse; 16pub(crate) use self::reparsing::incremental_reparse;
17 17
diff --git a/crates/ra_syntax/src/parsing/lexer.rs b/crates/ra_syntax/src/parsing/lexer.rs
index 36e841609..e75f3aae0 100644
--- a/crates/ra_syntax/src/parsing/lexer.rs
+++ b/crates/ra_syntax/src/parsing/lexer.rs
@@ -214,3 +214,12 @@ fn scan_literal_suffix(ptr: &mut Ptr) {
214 } 214 }
215 ptr.bump_while(is_ident_continue); 215 ptr.bump_while(is_ident_continue);
216} 216}
217
218pub fn classify_literal(text: &str) -> Option<Token> {
219 let tkn = next_token(text);
220 if tkn.kind.is_literal() || tkn.len.to_usize() != text.len() {
221 return None;
222 }
223
224 Some(tkn)
225}