Feature: Octal numbers are now supported.

...although I'm surprised they're supported in GLSL!

Author: DeanEdisGG

ShaderShrinker/Shrinker.Lexer/IntToken.cs

@@ -68,9 +68,13 @@ public IToken Simplify()
             Content = Content.TrimStart('-');
 
             // Trim unnecessary leading zeros.
-            while (Content.Length > 1 && Content.StartsWith("0") && char.IsNumber(Content[1]))
+            // Note: A single leading zero represents an octal number!
+            while (Content.Length > 2 && Content.StartsWith("00") && char.IsNumber(Content[2]))
                 Content = Content.Substring(1);
 
+            if (Content == "00")
+                Content = "0";
+
             if (isNegative)
                 Content = $"-{Content}";
 

ShaderShrinker/UnitTests/ShrinkerTests.cs

@@ -416,9 +416,9 @@ public void CheckSimplifyingFloatCasts(
         }
 
         [Test, Sequential]
-        public void CheckSimplifyingInts(
+        public void CheckSimplifyingIntegers(
             [Values("0011", "-0011", "000", "00")] string code,
-            [Values("11", "-11", "0", "0")] string expectedOutput)
+            [Values("011", "-011", "0", "0")] string expectedOutput)
         {
             var lexer = new Lexer();
             lexer.Load(code);