wrote dsl for ast boiler plate generation

ast/expr.go

@@ -0,0 +1,62 @@
+package ast
+
+// THIS FILE WAS AUTOMATICALLY GENERATED, DO NOT MANUALLY EDIT
+
+import "git.red-panda.pet/pandaware/lox-go/lexer"
+
+type ExprVisitor interface {
+	VisitBinaryExpr(v *BinaryExpr) any
+	VisitGroupingExpr(v *GroupingExpr) any
+	VisitLiteralExpr(v *LiteralExpr) any
+	VisitUnaryExpr(v *UnaryExpr) any
+}
+
+type Expr interface {
+	Accept(v ExprVisitor) any
+}
+
+type BinaryExpr struct {
+	Left Expr
+
+	Op *lexer.Token
+
+	Right Expr
+}
+
+func (n *BinaryExpr) Accept(v ExprVisitor) any {
+	return v.VisitBinaryExpr(n)
+}
+
+var _ Expr = new(BinaryExpr)
+
+type GroupingExpr struct {
+	Expr Expr
+}
+
+func (n *GroupingExpr) Accept(v ExprVisitor) any {
+	return v.VisitGroupingExpr(n)
+}
+
+var _ Expr = new(GroupingExpr)
+
+type LiteralExpr struct {
+	Value any
+}
+
+func (n *LiteralExpr) Accept(v ExprVisitor) any {
+	return v.VisitLiteralExpr(n)
+}
+
+var _ Expr = new(LiteralExpr)
+
+type UnaryExpr struct {
+	Op *lexer.Token
+
+	Right Expr
+}
+
+func (n *UnaryExpr) Accept(v ExprVisitor) any {
+	return v.VisitUnaryExpr(n)
+}
+
+var _ Expr = new(UnaryExpr)