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List of issues#1379 postincrement in parameter list confuses JPEXS
Author: 
svdb
svdbDate created:
Type: bug
Visibility: Everybody
Assigned to:
Labels: AS3DecompilationSWFTools
State: closed 
> What version of the product are you using? Is it "nightly build"? Which operating system
do you have?
10.0.0 release, Linux
The following function
public function test3(i: int): void {
fun(i++);
}
compiles to the following bytecode
getlocal_0
getlocal 1
inclocal_i 1
callpropvoid Qname(PackageNamespace(""),"fun") 1
returnvoid
This is decompiled by JPEXS to:
public function test3(param1:int) : void
{
param1++;
this.fun(param1);
}
Note how the postincrement is incorrectly turned into a preincrement.
Also, the following function
public function test1(): void {
var i:int = 123;
fun(i++);
}
compiles to the following bytecode
pushint 123
setlocal 1
getlocal_0
getlocal 1
inclocal_i 1
callpropvoid Qname(PackageNamespace(""),"fun") 1
kill 1
returnvoid
This is decompiled by JPEXS to:
public function test1() : void
{
_loc1_++;
this.fun(123);
}
A variable _loc1_ is introduced, but it is not declared anywhere.
Attached is the source code of the test cases above, with another variant included.
Also attached is a SWF file compiled from this source code.
test.as
I am sorry for letting you wait so much without an answer and I don't think it is now
(after flash shutdown) even relevant, but:
I think this is fixed in latest nightly build - the missing register assignments too.
State: new→upgraded
State: upgraded→closed