fixed some weird transpilation output & removed old ast

Justfile

@@ -0,0 +1,4 @@
+generate:
+    go generate ./...
+build: generate
+    go build -o lox-go ./cli

ast/_ast.go

@@ -1,55 +0,0 @@
-package ast
-
-import "git.red-panda.pet/pandaware/lox-go/lexer"
-
-// todo: find something better than any here
-// we can't use generics on either the visitor itself or
-// each individual method because the adding it to the
-// visitor itself infects every expr you use with it
-// and methods cannot have generic parameters
-
-type ExprVisitor interface {
-	VisitBinaryExpr(b *BinaryExpr) any
-	VisitGroupingExpr(g *GroupingExpr) any
-	VisitLiteralExpr(g *LiteralExpr) any
-	VisitUnaryExpr(g *UnaryExpr) any
-}
-
-type Expr interface {
-	Accept(v ExprVisitor) any
-}
-
-type BinaryExpr struct {
-	Left     Expr
-	Operator *lexer.Token
-	Right    Expr
-}
-
-func (b *BinaryExpr) Accept(v ExprVisitor) any {
-	return v.VisitBinaryExpr(b)
-}
-
-type GroupingExpr struct {
-	Expr Expr
-}
-
-func (g *GroupingExpr) Accept(v ExprVisitor) any {
-	return v.VisitGroupingExpr(g)
-}
-
-type LiteralExpr struct {
-	Value any
-}
-
-func (l *LiteralExpr) Accept(v ExprVisitor) any {
-	return v.VisitLiteralExpr(l)
-}
-
-type UnaryExpr struct {
-	Operator *lexer.Token
-	Right    Expr
-}
-
-func (u *UnaryExpr) Accept(v ExprVisitor) any {
-	return v.VisitUnaryExpr(u)
-}

ast/expr.go

@@ -16,10 +16,8 @@ type Expr interface {
 }
 
 type BinaryExpr struct {
-	Left Expr
+	Left  Expr
-
+	Op    *lexer.Token
-	Op *lexer.Token
-
 	Right Expr
 }
 
@@ -50,8 +48,7 @@ func (n *LiteralExpr) Accept(v ExprVisitor) any {
 var _ Expr = new(LiteralExpr)
 
 type UnaryExpr struct {
-	Op *lexer.Token
+	Op    *lexer.Token
-
 	Right Expr
 }
 

ast/gen/transpile.go

@@ -111,7 +111,7 @@ func (t *transpiler) visitField(g *fieldNode) (string, error) {
 		return "", err
 	}
 
-	return fmt.Sprintf("\t%s\t%s\n", left, right), nil
+	return fmt.Sprintf("\t%s\t%s", left, right), nil
 }
 
 // visitIdentifier implements visitor.