First draft of the macro lexer

public/scripts/macros/MacroEngine.js

@@ -0,0 +1,39 @@
+import { MacroLexer } from './MacroLexer.js';
+import { MacroParser } from './MacroParser.js';
+
+class MacroEngine {
+    static instance = new MacroEngine();
+
+    constructor() {
+        this.parser = MacroParser.instance;
+    }
+
+    parseDocument(input) {
+        const lexingResult = MacroLexer.tokenize(input);
+        this.parser.input = lexingResult.tokens;
+        // const cst = this.parser.document();
+        // return cst;
+    }
+
+    evaluate(input) {
+        const lexingResult = MacroLexer.tokenize(input);
+        this.parser.input = lexingResult.tokens;
+        // const cst = this.parser.macro();
+
+        // if (this.parser.errors.length > 0) {
+        //     throw new Error('Parsing errors detected');
+        // }
+
+        // return this.execute(cst);
+    }
+
+    execute(cstNode) {
+        // Implement execution logic here, traversing the CST and replacing macros with their values
+        // For now, we'll just return a placeholder result
+        return 'Executed Macro';
+    }
+}
+
+const macroEngineInstance = MacroEngine.instance;
+
+export { MacroEngine, macroEngineInstance };