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HarshithaKPHarshithaKP
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src: Handle NULL env scenario
Convert hard assertion into a throw with a useful error message in src/module_wrap.cc
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-24
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3 files changed

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‎doc/api/errors.md

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@@ -889,6 +889,13 @@ provided.
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Encoding provided to `TextDecoder()` API was not one of the
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[WHATWG Supported Encodings][].
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<a id="ERR_EXECUTION_ENVIRONMENT_NOT_AVAILABLE"></a>
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### `ERR_EXECUTION_ENVIRONMENT_NOT_AVAILABLE`
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The JS execution context is not associated with a Node.js environment.
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This may occur when Node.js is used as an embedded library and some hooks
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for the JS engine are not set up properly.
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<a id="ERR_FALSY_VALUE_REJECTION"></a>
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### `ERR_FALSY_VALUE_REJECTION`
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‎src/module_wrap.cc

+11-2
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@@ -451,7 +451,12 @@ MaybeLocal<Module> ModuleWrap::ResolveCallback(Local<Context> context,
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Local<String> specifier,
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Local<Module> referrer) {
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Environment* env = Environment::GetCurrent(context);
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CHECK_NOT_NULL(env); // TODO(addaleax): Handle nullptr here.
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if (env == nullptr) {
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Isolate* isolate = context->GetIsolate();
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THROW_ERR_EXECUTION_ENVIRONMENT_NOT_AVAILABLE(isolate);
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return MaybeLocal<Module>();
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}
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Isolate* isolate = env->isolate();
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ModuleWrap* dependent = GetFromModule(env, referrer);
@@ -1443,7 +1448,11 @@ static MaybeLocal<Promise> ImportModuleDynamically(
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Local<String> specifier) {
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Isolate* iso = context->GetIsolate();
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Environment* env = Environment::GetCurrent(context);
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CHECK_NOT_NULL(env); // TODO(addaleax): Handle nullptr here.
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if (env == nullptr) {
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THROW_ERR_EXECUTION_ENVIRONMENT_NOT_AVAILABLE(iso);
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return MaybeLocal<Promise>();
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}
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EscapableHandleScope handle_scope(iso);
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Local<Function> import_callback =

‎src/node_errors.h

+25-22
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@@ -39,6 +39,7 @@ void OnFatalError(const char* location, const char* message);
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V(ERR_CONSTRUCT_CALL_INVALID, TypeError) \
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V(ERR_CRYPTO_UNKNOWN_CIPHER, Error) \
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V(ERR_CRYPTO_UNKNOWN_DH_GROUP, Error) \
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V(ERR_EXECUTION_ENVIRONMENT_NOT_AVAILABLE, Error) \
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V(ERR_INVALID_ARG_VALUE, TypeError) \
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V(ERR_OSSL_EVP_INVALID_DIGEST, Error) \
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V(ERR_INVALID_ARG_TYPE, TypeError) \
@@ -86,28 +87,30 @@ void OnFatalError(const char* location, const char* message);
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// Errors with predefined static messages
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#define PREDEFINED_ERROR_MESSAGES(V) \
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V(ERR_BUFFER_CONTEXT_NOT_AVAILABLE, \
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"Buffer is not available for the current Context") \
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V(ERR_CONSTRUCT_CALL_INVALID, "Constructor cannot be called") \
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V(ERR_CONSTRUCT_CALL_REQUIRED, "Cannot call constructor without `new`") \
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V(ERR_CRYPTO_UNKNOWN_CIPHER, "Unknown cipher") \
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V(ERR_CRYPTO_UNKNOWN_DH_GROUP, "Unknown DH group") \
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V(ERR_INVALID_TRANSFER_OBJECT, "Found invalid object in transferList") \
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V(ERR_MEMORY_ALLOCATION_FAILED, "Failed to allocate memory") \
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V(ERR_OSSL_EVP_INVALID_DIGEST, "Invalid digest used") \
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V(ERR_MISSING_MESSAGE_PORT_IN_TRANSFER_LIST, \
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"MessagePort was found in message but not listed in transferList") \
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V(ERR_MISSING_PLATFORM_FOR_WORKER, \
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"The V8 platform used by this instance of Node does not support " \
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"creating Workers") \
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V(ERR_NON_CONTEXT_AWARE_DISABLED, \
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"Loading non context-aware native modules has been disabled") \
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V(ERR_SCRIPT_EXECUTION_INTERRUPTED, \
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"Script execution was interrupted by `SIGINT`") \
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V(ERR_TRANSFERRING_EXTERNALIZED_SHAREDARRAYBUFFER, \
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"Cannot serialize externalized SharedArrayBuffer") \
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V(ERR_TLS_PSK_SET_IDENTIY_HINT_FAILED, "Failed to set PSK identity hint") \
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#define PREDEFINED_ERROR_MESSAGES(V) \
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V(ERR_BUFFER_CONTEXT_NOT_AVAILABLE, \
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"Buffer is not available for the current Context") \
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V(ERR_CONSTRUCT_CALL_INVALID, "Constructor cannot be called") \
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V(ERR_CONSTRUCT_CALL_REQUIRED, "Cannot call constructor without `new`") \
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V(ERR_CRYPTO_UNKNOWN_CIPHER, "Unknown cipher") \
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V(ERR_CRYPTO_UNKNOWN_DH_GROUP, "Unknown DH group") \
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V(ERR_EXECUTION_ENVIRONMENT_NOT_AVAILABLE, \
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"Context not associated with Node.js environment") \
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V(ERR_INVALID_TRANSFER_OBJECT, "Found invalid object in transferList") \
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V(ERR_MEMORY_ALLOCATION_FAILED, "Failed to allocate memory") \
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V(ERR_OSSL_EVP_INVALID_DIGEST, "Invalid digest used") \
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V(ERR_MISSING_MESSAGE_PORT_IN_TRANSFER_LIST, \
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"MessagePort was found in message but not listed in transferList") \
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V(ERR_MISSING_PLATFORM_FOR_WORKER, \
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"The V8 platform used by this instance of Node does not support " \
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"creating Workers") \
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V(ERR_NON_CONTEXT_AWARE_DISABLED, \
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"Loading non context-aware native modules has been disabled") \
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V(ERR_SCRIPT_EXECUTION_INTERRUPTED, \
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"Script execution was interrupted by `SIGINT`") \
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V(ERR_TRANSFERRING_EXTERNALIZED_SHAREDARRAYBUFFER, \
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"Cannot serialize externalized SharedArrayBuffer") \
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V(ERR_TLS_PSK_SET_IDENTIY_HINT_FAILED, "Failed to set PSK identity hint")
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#define V(code, message) \
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inline v8::Local<v8::Value> code(v8::Isolate* isolate) { \

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