Shader: Add attribute and square bracket tokens (first step for attribute support)

include/Nazara/Shader/ShaderLangTokenList.hpp

@@ -13,8 +13,10 @@
 NAZARA_SHADERLANG_TOKEN(Assign)
 NAZARA_SHADERLANG_TOKEN(BoolFalse)
 NAZARA_SHADERLANG_TOKEN(BoolTrue)
+NAZARA_SHADERLANG_TOKEN(ClosingAttribute)
 NAZARA_SHADERLANG_TOKEN(ClosingParenthesis)
 NAZARA_SHADERLANG_TOKEN(ClosingCurlyBracket)
+NAZARA_SHADERLANG_TOKEN(ClosingSquareBracket)
 NAZARA_SHADERLANG_TOKEN(Colon)
 NAZARA_SHADERLANG_TOKEN(Comma)
 NAZARA_SHADERLANG_TOKEN(Divide)
@@ -29,7 +31,9 @@ NAZARA_SHADERLANG_TOKEN(Let)
 NAZARA_SHADERLANG_TOKEN(Multiply)
 NAZARA_SHADERLANG_TOKEN(Minus)
 NAZARA_SHADERLANG_TOKEN(Plus)
+NAZARA_SHADERLANG_TOKEN(OpenAttribute)
 NAZARA_SHADERLANG_TOKEN(OpenCurlyBracket)
+NAZARA_SHADERLANG_TOKEN(OpenSquareBracket)
 NAZARA_SHADERLANG_TOKEN(OpenParenthesis)
 NAZARA_SHADERLANG_TOKEN(Semicolon)
 NAZARA_SHADERLANG_TOKEN(Return)

src/Nazara/Shader/ShaderLangLexer.cpp

@@ -221,6 +221,28 @@ namespace Nz::ShaderLang
 					break;
 				}
 
+				case '[':
+				{
+					char next = Peek();
+					if (next == '[')
+						tokenType = TokenType::OpenAttribute;
+					else
+						tokenType = TokenType::OpenSquareBracket;
+
+					break;
+				}
+
+				case ']':
+				{
+					char next = Peek();
+					if (next == ']')
+						tokenType = TokenType::ClosingAttribute;
+					else
+						tokenType = TokenType::ClosingSquareBracket;
+
+					break;
+				}
+
 				case '=': tokenType = TokenType::Assign; break;
 				case '+': tokenType = TokenType::Plus; break;
 				case '*': tokenType = TokenType::Multiply; break;