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do/while loop includes an instruction before the loop #25

AdamMil opened this Issue Feb 3, 2019 · 0 comments


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AdamMil commented Feb 3, 2019

Compile this code:

i = 1
do j = 0 while (j)

Then decompile it with NutCracker. The result is:

        this.i = 1;
        this.j = 0;
while (this.j);

In general, one operation before a do/while loop is included in the loop. I believe the reason is that the beginning of the loop is calculated incorrectly. In PreprocessDoWhileInfo there's this line:

int beginPos = endPos + curInst.arg1;

I think it should be replaced with:

int beginPos = endPos + 1 + curInst.arg1;
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