Hi!
I have this strange problem in SDM, where a method in the generated output
JS gets defined under a name, but gets referenced under another name.
I'll try to show it through actual compiled JS code vs original code.
function *getBoundingClientRect_3_g$*(this$static_0_g$,
withinOffsetParent_0_g$){
$clinit_ElementOverlayMixin_0_g$();
var deltaX_0_g$, deltaY_0_g$, offsetParent_0_g$, parentBCR_0_g$;
offsetParent_0_g$ = $getOffsetParent_0_g$(this$static_0_g$);
if (is_4_g$(offsetParent_0_g$)) {
parentBCR_0_g$ = *$getBoundingClientRect_2_g$*(as_58_g$(offsetParent_0_g$),
true);
deltaY_0_g$ = $getScrollTop_0_g$(offsetParent_0_g$) -
parentBCR_0_g$.getTop_15_g$();
deltaX_0_g$ = $getScrollLeft_0_g$(offsetParent_0_g$) -
parentBCR_0_g$.getLeft_16_g$();
}
else {
deltaY_0_g$ = getScrollTop_4_g$();
deltaX_0_g$ = getScrollLeft_6_g$();
}
return
withinOffsetParent_0_g$?$getBoundingClientRect_1_g$(this$static_0_g$).translated_1_g$(deltaX_0_g$,
deltaY_0_g$):$getBoundingClientRect_1_g$(this$static_0_g$);
}
getBoundingClientRect_3_g$.displayName =
'ElementOverlayMixin.$getBoundingClientRect';
This is the original Java source of the method:
public final ClientRect *getBoundingClientRect*(boolean withinOffsetParent)
{
float deltaY;
float deltaX;
Element offsetParent = getOffsetParent();
if (Element.is(offsetParent)) {
ClientRect parentBCR = ElementOverlayMixin.as(offsetParent).
*getBoundingClientRect*(true);
deltaY = offsetParent.getScrollTop() - parentBCR.getTop();
deltaX = offsetParent.getScrollLeft() - parentBCR.getLeft();
} else {
deltaY = Window.getScrollTop();
deltaX = Window.getScrollLeft();
}
return withinOffsetParent ? getBoundingClientRect().translated(deltaX,
deltaY) : getBoundingClientRect();
}
I've highlighted the important parts with bold+red/green. Note that it's a
recursive method invoking itself on another object. In the generated
output, the name of the function in the function declaration and the name
used while referring to the same function is different.
After a "touch" on the source code file, the compiler now generates the
correct JS output:
function *$getBoundingClientRect_2_g$*(this$static_0_g$,
withinOffsetParent_0_g$){
$clinit_ElementOverlayMixin_0_g$();
var deltaX_0_g$, deltaY_0_g$, offsetParent_0_g$, parentBCR_0_g$;
offsetParent_0_g$ = $getOffsetParent_0_g$(this$static_0_g$);
if (is_4_g$(offsetParent_0_g$)) {
parentBCR_0_g$ = *$getBoundingClientRect_2_g$*(as_58_g$(offsetParent_0_g$),
true);
deltaY_0_g$ = $getScrollTop_0_g$(offsetParent_0_g$) -
parentBCR_0_g$.getTop_15_g$();
deltaX_0_g$ = $getScrollLeft_0_g$(offsetParent_0_g$) -
parentBCR_0_g$.getLeft_16_g$();
}
else {
deltaY_0_g$ = getScrollTop_4_g$();
deltaX_0_g$ = getScrollLeft_6_g$();
}
return
withinOffsetParent_0_g$?$getBoundingClientRect_1_g$(this$static_0_g$).translated_1_g$(deltaX_0_g$,
deltaY_0_g$):$getBoundingClientRect_1_g$(this$static_0_g$);
}
$getBoundingClientRect_2_g$.displayName =
'ElementOverlayMixin.$getBoundingClientRect';
I'm using incremental mode, but I think it happened on the first
compilation too with all previous compilation caches cleared.
Do you guys have any tips on where to look in the compiler code where the
method name handling / mangling happens?
Many thanks!
Nandi.
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