From e43846f8c5ee0b3cf0e3636898eadd26f7fe1ea9 Mon Sep 17 00:00:00 2001
From: Hatter Jiang <jht5945@gmail.com>
Date: Fri, 20 Jan 2023 23:27:55 +0800
Subject: [PATCH] fix: patch Instance::now

---
 .../external/boa/boa_engine/src/vm/mod.rs           | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/javascript-engine/external/boa/boa_engine/src/vm/mod.rs b/javascript-engine/external/boa/boa_engine/src/vm/mod.rs
index b90ede4..81ebc90 100644
--- a/javascript-engine/external/boa/boa_engine/src/vm/mod.rs
+++ b/javascript-engine/external/boa/boa_engine/src/vm/mod.rs
@@ -13,7 +13,7 @@ use crate::{
 use crate::{JsError, JsNativeError};
 use boa_interner::ToInternedString;
 use boa_profiler::Profiler;
-use std::{convert::TryInto, mem::size_of, time::Instant};
+use std::{convert::TryInto, mem::size_of};
 
 mod call_frame;
 mod code_block;
@@ -216,13 +216,18 @@ impl Context<'_> {
                     .code_block
                     .instruction_operands(&mut pc, self.interner());
 
-                let instant = Instant::now();
+                // wasm32 not supports `Instant::now()`
+                #[cfg(not(target_arch = "wasm32"))]
+                let instant = std::time::Instant::now();
                 let result = self.execute_instruction();
-                let duration = instant.elapsed();
+                #[cfg(target_arch = "wasm32")]
+                let duration_micros = -1;
+                #[cfg(not(target_arch = "wasm32"))]
+                let duration_micros = instant.elapsed().as_micros();
 
                 println!(
                     "{:<TIME_COLUMN_WIDTH$} {:<OPCODE_COLUMN_WIDTH$} {operands:<OPERAND_COLUMN_WIDTH$} {}",
-                    format!("{}μs", duration.as_micros()),
+                    format!("{}μs", duration_micros),
                     opcode.as_str(),
                     match self.vm.stack.last() {
                         Some(value) if value.is_callable() => "[function]".to_string(),