ShaderLang: Improve lexer

src/Nazara/Shader/ShaderLangLexer.cpp

@@ -100,6 +100,7 @@ namespace Nz::ShaderLang
 				{
 					if (Peek() == '>')
 					{
+						currentPos++;
 						tokenType = TokenType::FunctionReturn;
 						break;
 					}
@@ -225,7 +226,10 @@ namespace Nz::ShaderLang
 				{
 					char next = Peek();
 					if (next == '[')
+					{
+						currentPos++;
 						tokenType = TokenType::OpenAttribute;
+					}
 					else
 						tokenType = TokenType::OpenSquareBracket;
 
@@ -236,7 +240,10 @@ namespace Nz::ShaderLang
 				{
 					char next = Peek();
 					if (next == ']')
+					{
+						currentPos++;
 						tokenType = TokenType::ClosingAttribute;
+					}
 					else
 						tokenType = TokenType::ClosingSquareBracket;
 
@@ -255,10 +262,7 @@ namespace Nz::ShaderLang
 				case '(': tokenType = TokenType::OpenParenthesis; break;
 				case ')': tokenType = TokenType::ClosingParenthesis; break;
 
-				default: break;
-			}
-
-			if (!tokenType)
+				default:
 				{
 					if (IsAlphaNum(c))
 					{
@@ -275,6 +279,11 @@ namespace Nz::ShaderLang
 						}
 						else
 							tokenType = it->second;
+
+						break;
+					}
+					else
+						throw UnrecognizedToken{};
 				}
 			}