fix haku-wasm/haku.js errors not resetting properly sometimes

Cargo.lock

@@ -1179,7 +1179,7 @@ checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b"
 
 [[package]]
 name = "rkgk"
-version = "0.1.1"
+version = "0.2.0"
 dependencies = [
  "argon2",
  "axum",

crates/haku-wasm/src/lib.rs

@@ -410,9 +410,12 @@ unsafe extern "C" fn haku_eval_brush(instance: *mut Instance, brush: *const Brus
         return StatusCode::OutOfRefSlots;
     };
 
+    debug!("resetting exception");
+    instance.exception = None;
     instance.value = match instance.vm.run(&instance.system, closure_id) {
         Ok(value) => value,
         Err(exn) => {
+            debug!("setting exception {exn:?}");
             instance.exception = Some(exn);
             return StatusCode::EvalException;
         }
@@ -429,6 +432,8 @@ unsafe extern "C" fn haku_render_value(
     translation_y: f32,
 ) -> StatusCode {
     let instance = &mut *instance;
+    debug!("resetting exception");
+    instance.exception = None;
 
     let pixmap_locked = &mut (*pixmap).pixmap;
 

crates/rkgk/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rkgk"
-version = "0.1.1"
+version = "0.2.0"
 edition = "2021"
 
 [dependencies]

crates/rkgk/src/main.rs

@@ -7,6 +7,7 @@ use std::{
 
 use api::Api;
 use axum::Router;
+use color_eyre::owo_colors::OwoColorize;
 use config::Config;
 use copy_dir::copy_dir;
 use eyre::Context;

static/painter.js

@@ -4,6 +4,8 @@ export class Painter {
     }
 
     renderBrushToWall(haku, centerX, centerY, wall) {
+        haku.resetVm();
+
         let evalResult = haku.evalBrush();
         if (evalResult.status != "ok")
             return { status: "error", phase: "eval", result: evalResult };
@@ -23,12 +25,10 @@ export class Painter {
 
                 let renderResult = haku.renderValue(chunk.pixmap, x, y);
                 if (renderResult.status != "ok") {
-                    haku.resetVm();
                     return { status: "error", phase: "render", result: renderResult };
                 }
             }
         }
-        haku.resetVm();
 
         for (let y = topChunk; y < bottomChunk; ++y) {
             for (let x = leftChunk; x < rightChunk; ++x) {