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Added code to check the stack size when transitioning from native to javascript

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This commit is contained in:
Bryan Roe
2019-01-11 12:30:53 -08:00
parent 51ee1c0562
commit b8928208d7
1 changed files with 5 additions and 4 deletions
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9
microscript/ILibduktape_EventEmitter.c
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@@ -179,7 +179,8 @@ duk_ret_t ILibDuktape_EventEmitter_emit(duk_context *ctx)
char *objid;
int wasReturnSpecified = 0;
duk_require_stack(ctx, 3); // This will make sure we have enough stack space to get the emitter object
duk_require_stack(ctx, 4 + nargs + DUK_API_ENTRY_STACK); // This will make sure we have enough stack space to get the emitter object
duk_push_this(ctx); // [this]
objid = Duktape_GetStringPropertyValue(ctx, -1, ILibDuktape_OBJID, "unknown");
@@ -238,8 +239,6 @@ duk_ret_t ILibDuktape_EventEmitter_emit(duk_context *ctx)
i = 0;
while ((func = emitList[i++]) != NULL)
{
duk_require_stack(ctx, nargs + 1); // This will make sure that we have enough stack space to make the method call
duk_push_heapptr(ctx, func); // [func]
duk_push_heapptr(ctx, self); // [func][this]
for (j = 1; j < nargs; ++j)
@@ -369,6 +368,8 @@ duk_ret_t ILibDuktape_EventEmitter_on(duk_context *ctx)
int prepend;
ILibDuktape_EventEmitter_HookHandler hookHandler = NULL;
duk_require_stack(ctx, 10);
duk_push_current_function(ctx);
once = Duktape_GetIntPropertyValue(ctx, -1, "once", 0);
prepend = Duktape_GetIntPropertyValue(ctx, -1, "prepend", 0);
@@ -603,7 +604,7 @@ ILibDuktape_EventEmitter* ILibDuktape_EventEmitter_Create(duk_context *ctx)
}
else
{
duk_push_fixed_buffer(ctx, sizeof(unsigned int));
Duktape_PushBuffer(ctx, sizeof(unsigned int));
retVal->totalListeners = (unsigned int *)Duktape_GetBuffer(ctx, -1, NULL);
duk_put_prop_string(ctx, -2, ILibDuktape_EventEmitter_GlobalListenerCount);
*(retVal->totalListeners) = 0;