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Expose dynamic compile failures

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root
2026-07-19 23:15:39 +00:00
parent cd993b34e9
commit 93cbc83b82
10 changed files with 286 additions and 41 deletions
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src/wasm/worker.cpp
+24 -4
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@@ -2995,12 +2995,15 @@ private:
// `handler` names the export ("render", "component:CARD", "cli",
// "serve_http:named", "once") or is "exists" (probe only, loads nothing).
int32_t component_resolve(const String& target, const String& handler, const String& current_unit,
String& resolved_out, int32_t* once_slot_out = 0, bool* compile_timed_out = 0)
String& resolved_out, int32_t* once_slot_out = 0, bool* compile_timed_out = 0,
String* compile_error_out = 0)
{
if(once_slot_out)
*once_slot_out = 0;
if(compile_timed_out)
*compile_timed_out = false;
if(compile_error_out)
compile_error_out->clear();
auto probe_start = std::chrono::steady_clock::now();
auto record_probe = [&]() {
component_resolve_count += 1;
@@ -3130,10 +3133,22 @@ private:
{
u64 remaining_ms = invocation_remaining_ms();
bool timed_out = false;
SharedUnit* compiled_unit = 0;
if(remaining_ms == 0)
timed_out = true;
else
get_shared_unit_bounded(context, resolved, remaining_ms, &timed_out);
compiled_unit = get_shared_unit_bounded(context, resolved, remaining_ms, &timed_out);
if(compiled_unit && compile_error_out &&
to_bool(context->server->config["SHOW_DYNAMIC_COMPILE_ERRORS"], true))
{
String detail = trim(first(compiled_unit->compiler_messages, compiled_unit->compile_error_status));
if(detail != "")
{
*compile_error_out = "compile failed for " + resolved + ":\n" + detail;
if(compile_error_out->size() > 4095)
*compile_error_out = compile_error_out->substr(0, 4064) + "\n[compile error truncated]";
}
}
if(timed_out)
{
if(compile_timed_out)
@@ -4521,15 +4536,20 @@ private:
}));
if(mod == "env" && name == "uce_host_component_resolve")
return(add([self](Caller caller, Span<const Val> args, Span<Val> results) -> Result<std::monostate, Trap> {
String target, handler, current, resolved;
String target, handler, current, resolved, compile_error;
self->hostcall_read(args[0].i32(), args[1].i32(), target);
self->hostcall_read(args[2].i32(), args[3].i32(), handler);
self->hostcall_read(args[4].i32(), args[5].i32(), current);
int32_t once_slot = 0;
bool compile_timed_out = false;
int32_t slot = self->component_resolve(target, handler, current, resolved, &once_slot, &compile_timed_out);
int32_t slot = self->component_resolve(target, handler, current, resolved, &once_slot, &compile_timed_out, &compile_error);
if(compile_timed_out)
return(Trap(self->invocation_timeout_error()));
if(slot == 0 && compile_error != "")
{
resolved = compile_error;
slot = -1;
}
u32 cap = (u32)args[7].i32();
if(cap > 0)
{