1 files changed, 153 insertions, 0 deletions
diff --git a/src/ast/ast.ts b/src/ast/ast.ts
new file mode 100644
index 000000000..2ab25644d
--- /dev/null
+++ b/src/ast/ast.ts
@@ -0,0 +1,153 @@
+class BunASTNode {
+  position = -1;
+}
+globalThis.BunASTNode = BunASTNode;
+// hint to JS engine to store it as a f64
+const NullPtrValue = Number.MAX_SAFE_INTEGER;
+const bindings = globalThis.BunASTBindings;
+
+const BunAST = {
+  EArray: class EArray extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EUnary: class EUnary extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EBinary: class EBinary extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EClass: class EClass extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  ENew: class ENew extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EFunction: class EFunction extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  ECall: class ECall extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EDot: class EDot extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EIndex: class EIndex extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EArrow: class EArrow extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EIdentifier: class EIdentifier extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EImportIdentifier: class EImportIdentifier extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EPrivateIdentifier: class EPrivateIdentifier extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EJsxElement: class EJsxElement extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EObject: class EObject extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  ESpread: class ESpread extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  ETemplatePart: class ETemplatePart extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  ETemplate: class ETemplate extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  ERegExp: class ERegExp extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EAwait: class EAwait extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EYield: class EYield extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EIf: class EIf extends BunASTNode {
+    no = NullPtrValue;
+    yes = NullPtrValue;
+    test = NullPtrValue;
+  },
+  ERequire: class ERequire extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EImport: class EImport extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EBoolean: class EBoolean extends BunASTNode {
+    val = false;
+  },
+  ENumber: class ENumber extends BunASTNode {
+    val = 0;
+  },
+  EBigInt: class EBigInt extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EString: class EString extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EMissing: class EMissing extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EThis: class EThis extends BunASTNode {},
+  ESuper: class ESuper extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  ENull: class ENull extends BunASTNode {},
+  EUndefined: class EUndefined extends BunASTNode {},
+  ENewTarget: class ENewTarget extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+  EImportMeta: class EImportMeta extends BunASTNode {},
+  SImport: class SImport extends BunASTNode {
+    #ptr = NullPtrValue;
+  },
+};
+globalThis.BunAST = BunAST;
+const bunTags = [
+  BunAST.EArray,
+  BunAST.EUnary,
+  BunAST.EBinary,
+  BunAST.EClass,
+  BunAST.ENew,
+  BunAST.EFunction,
+  BunAST.ECall,
+  BunAST.EDot,
+  BunAST.EIndex,
+  BunAST.EArrow,
+  BunAST.EIdentifier,
+  BunAST.EImportIdentifier,
+  BunAST.EPrivateIdentifier,
+  BunAST.EJsxElement,
+  BunAST.EObject,
+  BunAST.ESpread,
+  BunAST.ETemplatePart,
+  BunAST.ETemplate,
+  BunAST.ERegExp,
+  BunAST.EAwait,
+  BunAST.EYield,
+  BunAST.EIf,
+  BunAST.ERequire,
+  BunAST.EImport,
+  BunAST.EBoolean,
+  BunAST.ENumber,
+  BunAST.EBigInt,
+  BunAST.EString,
+  BunAST.EMissing,
+  BunAST.EThis,
+  BunAST.ESuper,
+  BunAST.ENull,
+  BunAST.EUndefined,
+  BunAST.ENewTarget,
+  BunAST.EImportMeta,
+  BunAST.SImport,
+];
+globalThis.bunTags = bunTags;
+