feat: CLI 可执行 JS 语句输出值

crates/oxide_cli/Cargo.toml

@@ -13,6 +13,7 @@ path = "src/main.rs"
 [dependencies]
 oxide_parser = { path = "../oxide_parser" }
 oxide_compiler = { path = "../oxide_compiler" }
+oxide_vm = { path = "../oxide_vm" }
 oxide_api = { path = "../oxide_api" }
 clap.workspace = true
 rustyline.workspace = true

crates/oxide_cli/src/main.rs

@@ -5,6 +5,7 @@ use ansi_term::Colour::Red;
 use clap::{Parser, Subcommand};
 use oxide_compiler::compiler::Compiler;
 use oxide_parser::Allocator;
+use oxide_vm::vm::Vm;
 
 #[derive(Parser)]
 #[command(name = "oxide", version, about = "OxideJS - Rust JavaScript engine")]
@@ -66,9 +67,18 @@ fn eval(code: &str) -> ExitCode {
     };
 
     let compiler = Compiler::new();
-    match compiler.compile(&program) {
-        Ok(module) => {
-            print!("{module}");
+    let module = match compiler.compile(&program) {
+        Ok(m) => m,
+        Err(err) => {
+            eprintln!("{}", Red.paint(err));
+            return ExitCode::FAILURE;
+        }
+    };
+
+    let mut vm = Vm::new();
+    match vm.run(&module) {
+        Ok(result) => {
+            println!("{result}");
             ExitCode::SUCCESS
         }
         Err(err) => {

crates/oxide_vm/Cargo.toml

@@ -16,3 +16,4 @@ ryu.workspace = true
 
 [dev-dependencies]
 proptest.workspace = true
+oxide_parser = { path = "../oxide_parser" }

crates/oxide_vm/tests/vm_tests.rs

@@ -0,0 +1,115 @@
+use oxide_compiler::compiler::Compiler;
+use oxide_parser::Allocator;
+use oxide_vm::vm::Vm;
+
+fn eval(source: &str) -> String {
+    let allocator = Allocator::default();
+    let program = oxide_parser::parse(&allocator, source).expect("parse failed");
+    let module = Compiler::new().compile(&program).expect("compile failed");
+    let mut vm = Vm::new();
+    let result = vm.run(&module).expect("vm run failed");
+    format!("{result}")
+}
+
+#[test]
+fn eval_arithmetic_add() {
+    assert_eq!(eval("1 + 2"), "3");
+}
+
+#[test]
+fn eval_arithmetic_sub() {
+    assert_eq!(eval("5 - 3"), "2");
+}
+
+#[test]
+fn eval_arithmetic_mul() {
+    assert_eq!(eval("3 * 4"), "12");
+}
+
+#[test]
+fn eval_arithmetic_div() {
+    assert_eq!(eval("10 / 2"), "5");
+}
+
+#[test]
+fn eval_arithmetic_mod() {
+    assert_eq!(eval("7 % 3"), "1");
+}
+
+#[test]
+fn eval_comparison_eq_true() {
+    assert_eq!(eval("1 == 1"), "true");
+}
+
+#[test]
+fn eval_comparison_eq_false() {
+    assert_eq!(eval("1 == 2"), "false");
+}
+
+#[test]
+fn eval_comparison_lt() {
+    assert_eq!(eval("2 < 3"), "true");
+}
+
+#[test]
+fn eval_comparison_gt() {
+    assert_eq!(eval("4 > 5"), "false");
+}
+
+#[test]
+fn eval_comparison_lte() {
+    assert_eq!(eval("3 <= 3"), "true");
+}
+
+#[test]
+fn eval_comparison_gte() {
+    assert_eq!(eval("5 >= 4"), "true");
+}
+
+#[test]
+fn eval_neq() {
+    assert_eq!(eval("1 != 2"), "true");
+    assert_eq!(eval("1 != 1"), "false");
+}
+
+#[test]
+fn eval_coercion_null_equals_null() {
+    assert_eq!(eval("null == null"), "true");
+}
+
+#[test]
+fn eval_coercion_bool_equals_int() {
+    assert_eq!(eval("true == 1"), "true");
+    assert_eq!(eval("false == 0"), "true");
+}
+
+#[test]
+fn eval_precedence() {
+    assert_eq!(eval("1 + 2 * 3"), "7");
+    assert_eq!(eval("1 * 2 + 3"), "5");
+}
+
+#[test]
+fn eval_negation() {
+    assert_eq!(eval("-5"), "-5");
+}
+
+#[test]
+fn eval_boolean_and() {
+    // && not supported by compiler yet, test with nested ternary or skip
+}
+
+#[test]
+fn eval_division_by_zero() {
+    assert_eq!(eval("1 / 0"), "Infinity");
+}
+
+#[test]
+fn eval_multi_stmt_last_value() {
+    assert_eq!(eval("1; 2; 3"), "3");
+}
+
+#[test]
+fn eval_var_declaration() {
+    assert_eq!(eval("var x = 42"), "42");
+}