More diagnostics

Author: vigoo

.github/workflows/ci.yaml

@@ -69,7 +69,7 @@ jobs:
         run: moon bundle --target wasm
         working-directory: core
       - name: Tests
-        run: cargo test -p moonbit-component-generator -- --nocapture --report-time --format junit --logfile target/report.xml
+        run: cargo test -p moonbit-component-generator -- --nocapture --report-time --format junit --logfile target/report.xml --test-threads=1
       - name: Publish Test Report
         uses: mikepenz/action-junit-report@v5
         if: success() || failure() # always run even if the previous step fails

src/get_script.rs

@@ -1,4 +1,5 @@
 use crate::MoonBitComponent;
+use anyhow::Context;
 use camino::Utf8Path;
 use std::fmt::Write;
 use wit_bindgen_core::uwriteln;
@@ -15,7 +16,9 @@ pub fn generate_get_script_component(script: &str, target: &Utf8Path) -> anyhow:
         Some("script-source"),
     )?;
 
-    component.define_bindgen_packages()?;
+    component
+        .define_bindgen_packages()
+        .context("Defining bindgen packages")?;
 
     let mut stub_mbt = String::new();
     uwriteln!(stub_mbt, "// Generated by `moonbit-component-generator`");
@@ -26,9 +29,13 @@ pub fn generate_get_script_component(script: &str, target: &Utf8Path) -> anyhow:
     }
     uwriteln!(stub_mbt, "}}");
 
-    component.write_world_stub(&stub_mbt)?;
+    component
+        .write_world_stub(&stub_mbt)
+        .context("Writing world stub")?;
 
-    component.build(None, target)?;
+    component
+        .build(None, target)
+        .context("Building component")?;
 
     Ok(())
 }

src/lib.rs

@@ -463,7 +463,8 @@ impl MoonBitComponent {
                 &package.name,
                 &package.dependencies,
                 &package.package_sources,
-            )?
+            )
+            .context(format!("Building package {}", package.name))?;
         }
 
         let mut core_files = vec![
@@ -496,7 +497,8 @@ impl MoonBitComponent {
             })?;
 
         let main_package_json = self.dir.join(main_package_source).join("moon.pkg.json");
-        let linker_config = Self::extract_wasm_linker_config(&main_package_json)?;
+        let linker_config = Self::extract_wasm_linker_config(&main_package_json)
+            .context("Extracting linker config")?;
 
         self.link_core(
             &core_files,
@@ -506,10 +508,12 @@ impl MoonBitComponent {
             &linker_config.export_memory_name,
             &linker_config.exports,
             linker_config.heap_start_address,
-        )?;
+        )
+        .context("Linking")?;
 
-        self.embed_wit()?;
-        self.create_component(target)?;
+        self.embed_wit().context("Embedding WIT")?;
+        self.create_component(target)
+            .context("Creating component")?;
 
         Ok(())
     }