Please disregard. Both cases work fine for me now.
On Friday, December 28, 2018 at 12:15:48 PM UTC-8, Jane Chen wrote:
>
> Embedding v8 6.7, open to upgrade if necessary.
>
> I modified v8 shell.cc to experiment with the new Module API and am trying
> to figure out how to handle error conditions while resolving a module.
>
> If the resolve callback calls v8::Isolate::throwException, I get:
>
> #
> # Fatal error in ../../src/api.cc, line 2325
> # Check failed: self->status() >= i::Module::kInstantiated (0 vs. 3).
> #
>
> Thread #1 [v8_shell] 3310 [core: 2] (Suspended : Signal : SIGILL:Illegal
> instruction)
> v8::base::OS::Abort() at
> /space/projects/v8upgrade6.7/v8/v8/src/base/platform/platform-posix.cc:381
> 0x7ffff7fa9f49
> V8_Fatal() at /space/projects/v8upgrade6.7/v8/v8/src/base/logging.cc:170
> 0x7ffff7f9e7b4
> v8::base::(anonymous namespace)::DefaultDcheckHandler at
> /space/projects/v8upgrade6.7/v8/v8/src/base/logging.cc:56 0x7ffff7f9e7d5
> v8::internal::Isolate::scheduled_exception() at
> /space/projects/v8upgrade6.7/v8/v8/src/isolate-inl.h:68 0x7ffff73c4bd8
> v8::internal::Isolate::PromoteScheduledException() at
> /space/projects/v8upgrade6.7/v8/v8/src/isolate.cc:1,636 0x7ffff73c4bd8
> v8::internal::Module::PrepareInstantiate() at
> /space/projects/v8upgrade6.7/v8/v8/src/objects/module.cc:475 0x7ffff74c20ae
> v8::internal::Module::Instantiate() at
> /space/projects/v8upgrade6.7/v8/v8/src/objects/module.cc:434 0x7ffff74c3fcb
> v8::Module::InstantiateModule() at
> /space/projects/v8upgrade6.7/v8/v8/src/api.cc:2,309 0x7ffff6d0f08c
> ExecuteString() at
> /space/projects/v8upgrade6.7/v8/v8/samples/shell.cc:367 0x555555557435
> RunShell() at /space/projects/v8upgrade6.7/v8/v8/samples/shell.cc:324
> 0x555555557a6e
>
> If resolve callback returns a module not containing the imported functions:
>
> V8 version 6.7.288.52 [sample shell]
> > import { square, diag } from 'lib';
> (shell):1: SyntaxError: The requested module 'lib' does not provide an
> export named 'square'
> import { square, diag } from 'lib';
> ^^^^^^
> SyntaxError: The requested module 'lib' does not provide an export named
> 'square'
>
> #
> # Fatal error in ../../src/api.cc, line 2325
> # Check failed: self->status() >= i::Module::kInstantiated (0 vs. 3).
> #
>
> Thread #1 [v8_shell] 7277 [core: 17] (Suspended : Signal : SIGILL:Illegal
> instruction)
> v8::base::OS::Abort() at
> /space/projects/v8upgrade6.7/v8/v8/src/base/platform/platform-posix.cc:381
> 0x7ffff7fa9f49
> V8_Fatal() at /space/projects/v8upgrade6.7/v8/v8/src/base/logging.cc:170
> 0x7ffff7f9e7b4
> v8::Module::Evaluate() at
> /space/projects/v8upgrade6.7/v8/v8/src/api.cc:2,325 0x7ffff6d0f611
> ExecuteString() at
> /space/projects/v8upgrade6.7/v8/v8/samples/shell.cc:380 0x5555555575df
> RunShell() at /space/projects/v8upgrade6.7/v8/v8/samples/shell.cc:324
> 0x555555557bfe
> main() at /space/projects/v8upgrade6.7/v8/v8/samples/shell.cc:89
> 0x55555555676e
>
> How is ResolveCallback supposed to handle these error conditions to avoid
> v8 crashes?
>
> If I upgrade to the latest stable v8 version, is it going to help?
>
> Thanks a lot in advance!
>
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