update syntax highlighting to use vscode dark mode theme

csharp_mod/Extensions.cs

@@ -118,18 +118,31 @@ public static unsafe class SlangExtensions
     {
         switch (kind)
         {
-            case 1:
-                return SlangFormatter.ColorString; // String
-            case 2:
-                return SlangFormatter.ColorString; // Number
-            case 3:
-                return SlangFormatter.ColorInstruction; // Boolean
-            case 4:
-                return SlangFormatter.ColorSelection; // Keyword
-            case 5:
-                return SlangFormatter.ColorLineNumber; // Identifier
-            case 6:
-                return SlangFormatter.ColorDefault; // Symbol
+            case 1: // Strings
+                return SlangFormatter.ColorString;
+            case 2: // Numbers
+                return SlangFormatter.ColorNumber;
+            case 3: // Booleans
+                return SlangFormatter.ColorBoolean;
+
+            case 4: // (if, else, loop)
+                return SlangFormatter.ColorControl;
+            case 5: // (let, const, device)
+                return SlangFormatter.ColorDeclaration;
+
+            case 6: // (variables)
+                return SlangFormatter.ColorIdentifier;
+            case 7: // (punctuation)
+                return SlangFormatter.ColorDefault;
+
+            case 10: // (syscalls)
+                return SlangFormatter.ColorFunction;
+
+            case 11: // Comparisons
+            case 12: // Math
+            case 13: // Logic
+                return SlangFormatter.ColorOperator;
+
             default:
                 return SlangFormatter.ColorDefault;
         }

csharp_mod/Formatter.cs

@@ -13,8 +13,19 @@ public class SlangFormatter : ICodeFormatter
     private CancellationTokenSource? _lspCancellationToken;
     private object _tokenLock = new();
 
-    public static readonly uint ColorInstruction = ColorFromHTML("#ffff00");
-    public static readonly uint ColorString = ColorFromHTML("#ce9178");
+    // VS Code Dark Theme Palette
+    public static readonly uint ColorControl = ColorFromHTML("#C586C0"); // Pink (if, return, loop)
+    public static readonly uint ColorDeclaration = ColorFromHTML("#569CD6"); // Blue (let, device, fn)
+    public static readonly uint ColorFunction = ColorFromHTML("#DCDCAA"); // Yellow (syscalls)
+    public static readonly uint ColorString = ColorFromHTML("#CE9178"); // Orange
+    public static new readonly uint ColorNumber = ColorFromHTML("#B5CEA8"); // Light Green
+    public static readonly uint ColorBoolean = ColorFromHTML("#569CD6"); // Blue (true/false)
+    public static readonly uint ColorIdentifier = ColorFromHTML("#9CDCFE"); // Light Blue (variables)
+    public static new readonly uint ColorDefault = ColorFromHTML("#D4D4D4"); // White (punctuation ; { } )
+
+    // Operators are often the same color as default text in VS Code Dark,
+    // but having a separate definition lets you tweak it (e.g. make them slightly darker or distinct)
+    public static readonly uint ColorOperator = ColorFromHTML("#D4D4D4");
 
     private HashSet<uint> _linesWithErrors = new();
 

rust_compiler/libs/helpers/src/lib.rs

@@ -1,4 +1,5 @@
 mod macros;
+mod syscall;
 
 /// This trait will allow the LSP to emit documentation for various tokens and expressions.
 /// You can easily create documentation for large enums with the `documented!` macro.
@@ -10,5 +11,5 @@ pub trait Documentation {
 }
 
 pub mod prelude {
-    pub use super::{Documentation, documented};
+    pub use super::{Documentation, documented, with_syscalls};
 }

rust_compiler/libs/helpers/src/syscall.rs

@@ -0,0 +1,32 @@
+#[macro_export]
+macro_rules! with_syscalls {
+    ($matcher:ident) => {
+        $matcher!(
+            "yield",
+            "sleep",
+            "hash",
+            "loadFromDevice",
+            "loadBatchNamed",
+            "loadBatch",
+            "setOnDevice",
+            "setOnDeviceBatched",
+            "setOnDeviceBatchedNamed",
+            "acos",
+            "asin",
+            "atan",
+            "atan2",
+            "abs",
+            "ceil",
+            "cos",
+            "floor",
+            "log",
+            "max",
+            "min",
+            "rand",
+            "sin",
+            "sqrt",
+            "tan",
+            "trunc"
+        );
+    };
+}

rust_compiler/libs/parser/src/sys_call.rs

@@ -256,31 +256,6 @@ impl std::fmt::Display for SysCall {
 
 impl SysCall {
     pub fn is_syscall(identifier: &str) -> bool {
-        matches!(
-            identifier,
-            "yield"
-                | "sleep"
-                | "hash"
-                | "loadFromDevice"
-                | "setOnDevice"
-                | "setOnDeviceBatched"
-                | "setOnDeviceBatchedNamed"
-                | "acos"
-                | "asin"
-                | "atan"
-                | "atan2"
-                | "abs"
-                | "ceil"
-                | "cos"
-                | "floor"
-                | "log"
-                | "max"
-                | "min"
-                | "rand"
-                | "sin"
-                | "sqrt"
-                | "tan"
-                | "trunc"
-        )
+        tokenizer::token::is_syscall(identifier)
     }
 }

rust_compiler/libs/tokenizer/src/token.rs

@@ -1,6 +1,15 @@
 use helpers::prelude::*;
 use rust_decimal::Decimal;
 
+// Define a local macro to consume the list
+macro_rules! generate_check {
+    ($($name:literal),*) => {
+        pub fn is_syscall(s: &str) -> bool {
+            matches!(s, $($name)|*)
+        }
+    }
+}
+
 #[derive(Debug, PartialEq, Eq, Clone)]
 pub struct Token {
     /// The type of the token
@@ -101,17 +110,43 @@ impl Documentation for TokenType {
     }
 }
 
+helpers::with_syscalls!(generate_check);
+
 impl From<TokenType> for u32 {
     fn from(value: TokenType) -> Self {
-        use TokenType::*;
         match value {
-            String(_) => 1,
-            Number(_) => 2,
-            Boolean(_) => 3,
-            Keyword(_) => 4,
-            Identifier(_) => 5,
-            Symbol(_) => 6,
-            EOF => 0,
+            TokenType::String(_) => 1,
+            TokenType::Number(_) => 2,
+            TokenType::Boolean(_) => 3,
+            TokenType::Keyword(k) => match k {
+                Keyword::If
+                | Keyword::Else
+                | Keyword::Loop
+                | Keyword::While
+                | Keyword::Break
+                | Keyword::Continue
+                | Keyword::Return => 4,
+                _ => 5,
+            },
+            TokenType::Identifier(s) => {
+                if is_syscall(&s) {
+                    10
+                } else {
+                    6
+                }
+            }
+            TokenType::Symbol(s) => {
+                if s.is_comparison() {
+                    11
+                } else if s.is_operator() {
+                    12
+                } else if s.is_logical() {
+                    13
+                } else {
+                    7
+                }
+            }
+            TokenType::EOF => 0,
         }
     }
 }