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Code Issues Releases Wiki Activity

Updated stream.Duplex, so _read, _write, _final are readonly

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This commit is contained in:
Bryan Roe
2019-12-03 12:25:30 -08:00
parent 847bb0aeb0
commit 1b38405352
1 changed files with 30 additions and 0 deletions
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30
microscript/ILibDuktape_Polyfills.c
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@@ -1404,6 +1404,19 @@ duk_ret_t ILibDuktape_Stream_EndSink(duk_context *ctx)
ILibDuktape_readableStream_WriteEnd(RS);
return(0);
}
duk_ret_t ILibDuktape_Stream_readonlyError(duk_context *ctx)
{
duk_push_current_function(ctx);
duk_size_t len;
char *propName = Duktape_GetStringPropertyValueEx(ctx, -1, "propName", "<unknown>", &len);
duk_push_lstring(ctx, propName, len);
duk_get_prop_string(ctx, -1, "concat"); // [string][concat]
duk_swap_top(ctx, -2); // [concat][this]
duk_push_string(ctx, " is readonly"); // [concat][this][str]
duk_call_method(ctx, 1); // [str]
duk_throw(ctx);
return(0);
}
duk_idx_t ILibDuktape_Stream_newReadable(duk_context *ctx)
{
ILibDuktape_readableStream *RS;
@@ -1421,6 +1434,10 @@ duk_idx_t ILibDuktape_Stream_newReadable(duk_context *ctx)
{
void *h = Duktape_GetHeapptrProperty(ctx, 0, "read");
if (h != NULL) { duk_push_heapptr(ctx, h); duk_put_prop_string(ctx, -2, "_read"); }
else
{
ILibDuktape_CreateEventWithSetterEx(ctx, "_read", ILibDuktape_Stream_readonlyError);
}
}
return(1);
}
@@ -1548,6 +1565,7 @@ void ILibDuktape_Stream_Duplex_EndSink(ILibDuktape_DuplexStream *stream, void *u
{
ILibDuktape_Stream_Writable_EndSink(stream->writableStream, user);
}
duk_ret_t ILibDuktape_Stream_newDuplex(duk_context *ctx)
{
ILibDuktape_DuplexStream *DS;
@@ -1568,10 +1586,22 @@ duk_ret_t ILibDuktape_Stream_newDuplex(duk_context *ctx)
{
void *h = Duktape_GetHeapptrProperty(ctx, 0, "write");
if (h != NULL) { duk_push_heapptr(ctx, h); duk_put_prop_string(ctx, -2, "_write"); }
else
{
ILibDuktape_CreateEventWithSetterEx(ctx, "_write", ILibDuktape_Stream_readonlyError);
}
h = Duktape_GetHeapptrProperty(ctx, 0, "final");
if (h != NULL) { duk_push_heapptr(ctx, h); duk_put_prop_string(ctx, -2, "_final"); }
else
{
ILibDuktape_CreateEventWithSetterEx(ctx, "_final", ILibDuktape_Stream_readonlyError);
}
h = Duktape_GetHeapptrProperty(ctx, 0, "read");
if (h != NULL) { duk_push_heapptr(ctx, h); duk_put_prop_string(ctx, -2, "_read"); }
else
{
ILibDuktape_CreateEventWithSetterEx(ctx, "_read", ILibDuktape_Stream_readonlyError);
}
}
return(1);
}