diff --git a/src/lib.rs b/src/lib.rs
index 0685e3f2ca..13872a3d9a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,8 +3,10 @@ extern crate unicode_xid;
 mod text;
 mod tree;
 mod lexer;
+mod parser;
 
 pub mod syntax_kinds;
 pub use text::{TextUnit, TextRange};
 pub use tree::{SyntaxKind, Token, FileBuilder, File, Node};
 pub use lexer::{next_token, tokenize};
+pub use parser::parse;
diff --git a/src/parser/mod.rs b/src/parser/mod.rs
index da902e2b7e..7336c51363 100644
--- a/src/parser/mod.rs
+++ b/src/parser/mod.rs
@@ -1,5 +1,11 @@
-use {Token, File};
+use {Token, File, FileBuilder};
 
-pub fn parse(tokens: &[Token]) -> File {
-    unimplemented!()
+use syntax_kinds::*;
+
+
+pub fn parse(text: String, tokens: &[Token]) -> File {
+    let mut builder = FileBuilder::new(text);
+    builder.start_internal(FILE);
+    builder.finish_internal();
+    builder.finish()
 }
\ No newline at end of file
diff --git a/tests/data/parser/0000_empty.txt b/tests/data/parser/0000_empty.txt
index 843ea118d0..54be3e7bc9 100644
--- a/tests/data/parser/0000_empty.txt
+++ b/tests/data/parser/0000_empty.txt
@@ -1 +1 @@
-FILE@[0; 0)
\ No newline at end of file
+FILE@[0; 0)
diff --git a/tests/parser.rs b/tests/parser.rs
index f61b6830b6..e71b488523 100644
--- a/tests/parser.rs
+++ b/tests/parser.rs
@@ -7,7 +7,7 @@ use std::path::{PathBuf, Path};
 use std::fs::read_dir;
 use std::fmt::Write;
 
-use libsyntax2::{tokenize, Token, Node, File, FileBuilder};
+use libsyntax2::{tokenize, parse, Token, Node, File, FileBuilder};
 
 #[test]
 fn parser_tests() {
@@ -67,10 +67,3 @@ fn dump_tree(file: &File) -> String {
         }
     }
 }
-
-fn parse(text: String, tokens: &[Token]) -> File {
-    let mut builder = FileBuilder::new(text);
-    builder.start_internal(libsyntax2::syntax_kinds::FILE);
-    builder.finish_internal();
-    builder.finish()
-}
\ No newline at end of file