From 4d09f14a469a9c1454808958384852a7c187c301 Mon Sep 17 00:00:00 2001
From: caelansar <819711623@qq.com>
Date: Wed, 26 Jun 2024 20:24:09 +0800
Subject: [PATCH] feat: quote string object

---
 src/eval/mod.rs    | 2 +-
 src/eval/object.rs | 7 ++++++-
 src/vm/mod.rs      | 2 +-
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/eval/mod.rs b/src/eval/mod.rs
index ceae188..b34b111 100644
--- a/src/eval/mod.rs
+++ b/src/eval/mod.rs
@@ -842,7 +842,7 @@ mod test {
             ),
             (
                 r#"-"str""#,
-                Some(Object::Error("unknown operator: -str".into())),
+                Some(Object::Error("unknown operator: -\"str\"".into())),
             ),
             (
                 "1-true; 10",
diff --git a/src/eval/object.rs b/src/eval/object.rs
index 9743bbe..6a7928c 100644
--- a/src/eval/object.rs
+++ b/src/eval/object.rs
@@ -132,7 +132,7 @@ impl Display for Object {
             Object::Int(i) => write!(f, "{}", i),
             Object::Float(float) => write!(f, "{}", float),
             Object::Bool(b) => write!(f, "{}", b),
-            Object::String(s) => write!(f, "{}", s),
+            Object::String(s) => write!(f, "\"{}\"", s),
             Object::Return(r) => write!(f, "{}", r),
             Object::Array(e) => write!(
                 f,
@@ -203,6 +203,7 @@ fn object_display_should_work() {
     assert_eq!("true", Object::Bool(true).to_string());
     assert_eq!("false", Object::Bool(false).to_string());
     assert_eq!("null", Object::Null.to_string());
+    assert_eq!("\"aa\"", Object::String("aa".into()).to_string());
 }
 
 #[test]
@@ -211,6 +212,10 @@ fn object_arithmetic_should_work() {
         Object::Error("type mismatch: 123 + 1.1".into()),
         &Object::Int(123) + &Object::Float(1.1)
     );
+    assert_eq!(
+        Object::Error("type mismatch: 123 + \"4\"".into()),
+        &Object::Int(123) + &Object::String("4".into())
+    );
     assert_eq!(Object::Int(124), &Object::Int(123) + &Object::Int(1));
     assert_eq!(
         Object::String("12".into()),
diff --git a/src/vm/mod.rs b/src/vm/mod.rs
index 4a72f83..f4cc6c4 100644
--- a/src/vm/mod.rs
+++ b/src/vm/mod.rs
@@ -791,7 +791,7 @@ mod test {
                 let no_function = "aa";
                 no_function()
                 "#,
-                Some(object::Object::Error("aa not a function".into())),
+                Some(object::Object::Error("\"aa\" not a function".into())),
             ),
             (
                 r#"