From 9914ca800c92e9b3fe768dec4e913a302f3d678d Mon Sep 17 00:00:00 2001
From: jsmall-nvidia <jsmall@nvidia.com>
Date: Tue, 31 Jul 2018 11:03:53 -0400
Subject: Feature/attributed binding (#621)

* Typo fix, and added dxc to command line documentation.

* Fix small typos.
Added support for Scope to lexer.
Fix bug in Token ctor.

* Add support for attribute names that are scoped.

* Added GLSLBindingAttribute. Make binding work through core.met.slang.

* Allow [[gl::binding(binding, set)]]
[[vk::binding(binding,set)]]
---
 source/slang/lexer.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'source/slang/lexer.cpp')

diff --git a/source/slang/lexer.cpp b/source/slang/lexer.cpp
index 87ad6bd5c..5e6d15384 100644
--- a/source/slang/lexer.cpp
+++ b/source/slang/lexer.cpp
@@ -1192,7 +1192,16 @@ namespace Slang
 
         case '~': advance(lexer); return TokenType::OpBitNot;
 
-        case ':': advance(lexer); return TokenType::Colon;
+        case ':': 
+        {
+            advance(lexer);
+            if (peek(lexer) == ':')
+            {
+                advance(lexer);
+                return TokenType::Scope;
+            }
+            return TokenType::Colon;
+        }
         case ';': advance(lexer); return TokenType::Semicolon;
         case ',': advance(lexer); return TokenType::Comma;
 
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