[jlox] Add get/set for instance fields

jlox/lox/src/main/java/xyz/ctsk/lox/Interpreter.java

@@ -213,11 +213,11 @@ public class Interpreter implements Expr.Visitor<Object>, Stmt.Visitor<Void> {
                 var msg = "Expected %d arguments but got %d.".formatted(function.arity(), arguments.size());
                 throw new RuntimeError(expr.paren(), msg);
             }
+
+            return function.call(this, arguments);
         } else {
             throw new RuntimeError(expr.paren(), "Can only call functions and classes.");
         }
-
-        return function.call(this, arguments);
     }
 
     @Override

jlox/lox/src/main/java/xyz/ctsk/lox/Parser.java

@@ -354,6 +354,7 @@ public class Parser {
             } else if (match(DOT)) {
                 Token name = consume(IDENTIFIER, "Expect property name after '.'.");
                 expr = new Expr.Get(expr, name);
+            } else {
                 break;
             }
         }

jlox/lox/src/main/java/xyz/ctsk/lox/Resolver.java

@@ -9,12 +9,11 @@ import java.util.Stack;
 public class Resolver implements Expr.Visitor<Void>, Stmt.Visitor<Void> {
     private final Interpreter interpreter;
     private final Stack<Map<String, Boolean>> scopes = new Stack<>();
-    private FunctionType currentFuntion = FunctionType.NONE;
+    private FunctionType currentFunction = FunctionType.NONE;
-
-    private enum ClassType { NONE, CLASS }
 
     private ClassType currentClass = ClassType.NONE;
 
+    private enum ClassType { NONE, CLASS }
 
     Resolver(Interpreter interpreter) {
         this.interpreter = interpreter;
@@ -56,8 +55,8 @@ public class Resolver implements Expr.Visitor<Void>, Stmt.Visitor<Void> {
     }
 
     private void resolveFunction(Stmt.Function function, FunctionType functionType) {
-        var enclosingFunction = currentFuntion;
+        var enclosingFunction = currentFunction;
-        currentFuntion = functionType;
+        currentFunction = functionType;
         beginScope();
         for (var param : function.params()) {
             declare(param);
@@ -65,7 +64,7 @@ public class Resolver implements Expr.Visitor<Void>, Stmt.Visitor<Void> {
         }
         resolve(function.body());
         endScope();
-        currentFuntion = enclosingFunction;
+        currentFunction = enclosingFunction;
     }
 
 
@@ -142,12 +141,12 @@ public class Resolver implements Expr.Visitor<Void>, Stmt.Visitor<Void> {
 
     @Override
     public Void visitReturnStmt(Stmt.Return stmt) {
-        if (currentFuntion == FunctionType.NONE) {
+        if (currentFunction == FunctionType.NONE) {
             Lox.error(stmt.keyword(), "Can't return fom top-level code.");
         }
 
         if (stmt.value() != null) {
-            if (currentFuntion == FunctionType.INITIALIZER) {
+            if (currentFunction == FunctionType.INITIALIZER) {
                 Lox.error(stmt.keyword(), "Can't return a value from an initializer.");
             }
             resolve(stmt.value());

jlox/lox/src/test/java/xyz/ctsk/lox/ResolverTest.java

@@ -1,13 +0,0 @@
-package xyz.ctsk.lox;
-
-import org.junit.jupiter.api.Test;
-
-import java.io.IOException;
-
-public class ResolverTest {
-    @Test
-    void forLoopBug() throws IOException {
-        var canary = this.getClass().getResource("ResolverBug.lox").getPath();
-        Lox.runFile(canary);
-    }
-}

jlox/lox/src/test/resources/xyz/ctsk/lox/ResolverBug.lox

@@ -1 +0,0 @@
-for (var i = 0; i < 2; i = i + 1) print i;