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Unified Diff: src/isolate.h

Issue 997213003: Remove kind field from StackHandler. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix layout test issue. Created 5 years, 9 months ago
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Index: src/isolate.h
diff --git a/src/isolate.h b/src/isolate.h
index 6c174da39bd66470aea7962f816533cd5e908d44..1fc089d96062f02aef902ffc92b68bae19643004 100644
--- a/src/isolate.h
+++ b/src/isolate.h
@@ -629,7 +629,8 @@ class Isolate {
thread_local_top_.scheduled_exception_ = heap_.the_hole_value();
}
- bool IsFinallyOnTop();
+ bool IsJavaScriptHandlerOnTop(Object* exception);
+ bool IsExternalHandlerOnTop(Object* exception);
bool is_catchable_by_javascript(Object* exception) {
return exception != heap()->termination_exception();
@@ -743,6 +744,7 @@ class Isolate {
// Exception throwing support. The caller should use the result
// of Throw() as its return value.
Object* Throw(Object* exception, MessageLocation* location = NULL);
+ Object* ThrowIllegalOperation();
template <typename T>
MUST_USE_RESULT MaybeHandle<T> Throw(Handle<Object> exception,
@@ -751,15 +753,20 @@ class Isolate {
return MaybeHandle<T>();
}
- // Re-throw an exception. This involves no error reporting since
- // error reporting was handled when the exception was thrown
- // originally.
+ // Re-throw an exception. This involves no error reporting since error
+ // reporting was handled when the exception was thrown originally.
Object* ReThrow(Object* exception);
// Find the correct handler for the current pending exception. This also
// clears and returns the current pending exception.
Object* FindHandler();
+ // Tries to predict whether the exception will be caught. Note that this can
+ // only produce an estimate, because it is undecidable whether a finally
+ // clause will consume or re-throw an exception. We conservatively assume any
+ // finally clause will behave as if the exception were consumed.
+ bool PredictWhetherExceptionIsCaught(Object* exception);
+
void ScheduleThrow(Object* exception);
// Re-set pending message, script and positions reported to the TryCatch
// back to the TLS for re-use when rethrowing.
@@ -769,14 +776,9 @@ class Isolate {
void ReportPendingMessages();
// Return pending location if any or unfilled structure.
MessageLocation GetMessageLocation();
- Object* ThrowIllegalOperation();
// Promote a scheduled exception to pending. Asserts has_scheduled_exception.
Object* PromoteScheduledException();
- // Checks if exception should be reported and finds out if it's
- // caught externally.
- bool ShouldReportException(bool* can_be_caught_externally,
- bool catchable_by_javascript);
// Attempts to compute the current source location, storing the
// result in the target out parameter.
@@ -803,7 +805,6 @@ class Isolate {
char* Iterate(ObjectVisitor* v, char* t);
void IterateThread(ThreadVisitor* v, char* t);
-
// Returns the current native context.
Handle<Context> native_context();
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