From 3aeeceab983f5d98fea13cf6cc0d2d0d807419ba Mon Sep 17 00:00:00 2001
From: Thanabodee Charoenpiriyakij <wingyminus@gmail.com>
Date: Thu, 30 Nov 2017 21:40:31 +0700
Subject: [PATCH] Support more C string literal

---
 grammars/c.cson    |  2 +-
 spec/c-spec.coffee | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/grammars/c.cson b/grammars/c.cson
index c04ce5e..38e7cf3 100644
--- a/grammars/c.cson
+++ b/grammars/c.cson
@@ -642,7 +642,7 @@
   'strings':
     'patterns': [
       {
-        'begin': '"'
+        'begin': '(?:u8|u|U|L)?"'
         'beginCaptures':
           '0':
             'name': 'punctuation.definition.string.begin.c'
diff --git a/spec/c-spec.coffee b/spec/c-spec.coffee
index 7a1ff5e..056f237 100644
--- a/spec/c-spec.coffee
+++ b/spec/c-spec.coffee
@@ -114,6 +114,22 @@ describe "Language-C", ->
         expect(tokens[1]).toEqual value: '%', scopes: ['source.c', 'string.quoted.double.c']
         expect(tokens[2]).toEqual value: '"', scopes: ['source.c', 'string.quoted.double.c', 'punctuation.definition.string.end.c']
 
+      it "tokenizes utf-8 string literal", ->
+        {tokens} = grammar.tokenizeLine 'char[] s = u8"this is utf-8 string literal"'
+        expect(tokens[6]).toEqual value: 'u8"', scopes: ['source.c', 'string.quoted.double.c', 'punctuation.definition.string.begin.c']
+
+      it "tokenizes 16-bit string literal", ->
+        {tokens} = grammar.tokenizeLine 'char16_t[] s = u"this is 16-bit string literal"'
+        expect(tokens[6]).toEqual value: 'u"', scopes: ['source.c', 'string.quoted.double.c', 'punctuation.definition.string.begin.c']
+
+      it "tokenizes 32-bit string literal", ->
+        {tokens} = grammar.tokenizeLine 'char32_t[] s = U"this is 32-bit string literal"'
+        expect(tokens[6]).toEqual value: 'U"', scopes: ['source.c', 'string.quoted.double.c', 'punctuation.definition.string.begin.c']
+
+      it "tokenizes wide string literal", ->
+        {tokens} = grammar.tokenizeLine 'wchar_t[] s = L"this is wide string literal"'
+        expect(tokens[6]).toEqual value: 'L"', scopes: ['source.c', 'string.quoted.double.c', 'punctuation.definition.string.begin.c']
+
     describe "comments", ->
       it "tokenizes them", ->
         {tokens} = grammar.tokenizeLine '/**/'