From 2f24fb4f2c5d8708533a1b0155e1e884bd4b2ba2 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sun, 31 Dec 2017 14:02:55 +0300
Subject: Lexer: byte strings

---
 src/lexer/strings.rs | 31 ++++++++++++++++++++++++++-----
 src/syntax_kinds.rs  | 18 ++++++++++++++----
 2 files changed, 40 insertions(+), 9 deletions(-)

(limited to 'src')

diff --git a/src/lexer/strings.rs b/src/lexer/strings.rs
index 40e5e4528..283ce8feb 100644
--- a/src/lexer/strings.rs
+++ b/src/lexer/strings.rs
@@ -33,30 +33,51 @@ pub(crate) fn scan_byte_char_or_string(ptr: &mut Ptr) -> SyntaxKind {
     match c {
         '\'' => {
             scan_byte(ptr);
-            CHAR
+            BYTE
         }
         '"' => {
             scan_byte_string(ptr);
-            CHAR
+            BYTE_STRING
         }
         'r' => {
             scan_raw_byte_string(ptr);
-            CHAR
+            RAW_BYTE_STRING
         }
         _ => unreachable!(),
     }
 }
 
 fn scan_byte(ptr: &mut Ptr) {
-
+    if ptr.next_is('\'') {
+        ptr.bump();
+        return
+    }
+    ptr.bump();
+    if ptr.next_is('\'') {
+        ptr.bump();
+        return
+    }
 }
 
 fn scan_byte_string(ptr: &mut Ptr) {
-
+    while let Some(c) = ptr.bump() {
+        if c == '"' {
+            return
+        }
+    }
 }
 
 fn scan_raw_byte_string(ptr: &mut Ptr) {
+    if !ptr.next_is('"') {
+        return
+    }
+    ptr.bump();
 
+    while let Some(c) = ptr.bump() {
+        if c == '"' {
+            return
+        }
+    }
 }
 
 fn scan_char_or_byte(ptr: &mut Ptr) {
diff --git a/src/syntax_kinds.rs b/src/syntax_kinds.rs
index 4c023757b..4a68acb31 100644
--- a/src/syntax_kinds.rs
+++ b/src/syntax_kinds.rs
@@ -33,10 +33,15 @@ pub const EQEQ: SyntaxKind = SyntaxKind(28);
 pub const FAT_ARROW: SyntaxKind = SyntaxKind(29);
 pub const NEQ: SyntaxKind = SyntaxKind(30);
 pub const NOT: SyntaxKind = SyntaxKind(31);
-pub const CHAR: SyntaxKind = SyntaxKind(32);
-pub const LIFETIME: SyntaxKind = SyntaxKind(33);
+pub const LIFETIME: SyntaxKind = SyntaxKind(32);
+pub const CHAR: SyntaxKind = SyntaxKind(33);
+pub const BYTE: SyntaxKind = SyntaxKind(34);
+pub const STRING: SyntaxKind = SyntaxKind(35);
+pub const RAW_STRING: SyntaxKind = SyntaxKind(36);
+pub const BYTE_STRING: SyntaxKind = SyntaxKind(37);
+pub const RAW_BYTE_STRING: SyntaxKind = SyntaxKind(38);
 
-static INFOS: [SyntaxInfo; 34] = [
+static INFOS: [SyntaxInfo; 39] = [
     SyntaxInfo { name: "ERROR" },
     SyntaxInfo { name: "IDENT" },
     SyntaxInfo { name: "UNDERSCORE" },
@@ -69,8 +74,13 @@ static INFOS: [SyntaxInfo; 34] = [
     SyntaxInfo { name: "FAT_ARROW" },
     SyntaxInfo { name: "NEQ" },
     SyntaxInfo { name: "NOT" },
-    SyntaxInfo { name: "CHAR" },
     SyntaxInfo { name: "LIFETIME" },
+    SyntaxInfo { name: "CHAR" },
+    SyntaxInfo { name: "BYTE" },
+    SyntaxInfo { name: "STRING" },
+    SyntaxInfo { name: "RAW_STRING" },
+    SyntaxInfo { name: "BYTE_STRING" },
+    SyntaxInfo { name: "RAW_BYTE_STRING" },
 ];
 
 pub(crate) fn syntax_info(kind: SyntaxKind) -> &'static SyntaxInfo {
-- 
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