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Support ECMAScript stopping in JerryScript. (#1753)

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JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2017-04-28 14:19:23 +02:00
committed by GitHub
parent 0e38356e5b
commit 894aa6d036
9 changed files with 279 additions and 2 deletions
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jerry-core/vm/vm.c
+50
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@@ -847,6 +847,29 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
if (opcode_data & VM_OC_BACKWARD_BRANCH)
{
#ifdef JERRY_VM_EXEC_STOP
if (JERRY_CONTEXT (vm_exec_stop_cb) != NULL
&& --JERRY_CONTEXT (vm_exec_stop_counter) == 0)
{
result = JERRY_CONTEXT (vm_exec_stop_cb) (JERRY_CONTEXT (vm_exec_stop_user_p));
if (ecma_is_value_undefined (result))
{
JERRY_CONTEXT (vm_exec_stop_counter) = JERRY_CONTEXT (vm_exec_stop_frequency);
}
else
{
JERRY_CONTEXT (vm_exec_stop_counter) = 1;
if (!ECMA_IS_VALUE_ERROR (result))
{
result = ecma_make_error_value (result);
}
goto error;
}
}
#endif /* JERRY_VM_EXEC_STOP */
branch_offset = -branch_offset;
}
}
@@ -2595,6 +2618,33 @@ error:
JERRY_ASSERT (VM_GET_CONTEXT_TYPE (stack_top_p[-1]) == VM_CONTEXT_FINALLY_THROW);
stack_top_p[-2] = result;
}
#ifdef JERRY_VM_EXEC_STOP
if (JERRY_CONTEXT (vm_exec_stop_cb) != NULL
&& --JERRY_CONTEXT (vm_exec_stop_counter) == 0)
{
result = JERRY_CONTEXT (vm_exec_stop_cb) (JERRY_CONTEXT (vm_exec_stop_user_p));
if (ecma_is_value_undefined (result))
{
JERRY_CONTEXT (vm_exec_stop_counter) = JERRY_CONTEXT (vm_exec_stop_frequency);
}
else
{
JERRY_CONTEXT (vm_exec_stop_counter) = 1;
left_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED);
right_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED);
if (!ECMA_IS_VALUE_ERROR (result))
{
result = ecma_make_error_value (result);
}
goto error;
}
}
#endif /* JERRY_VM_EXEC_STOP */
continue;
}
}