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Expr possible #337

merged 2 commits into from Mar 17, 2016


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commial commented Mar 17, 2016

Introduce possible_values, which outs the possible values of an Expr associated with its constraints.

For instance:

# ((cond1?(0x1,0x2))+(cond2?(0x3,0x4))
(0x2+0x3) with constraints:
    <cond2 != 0>
    <cond1 == 0>
(0x2+0x4) with constraints:
    <cond1 == 0>
    <cond2 == 0>
(0x1+0x4) with constraints:
    <cond1 != 0>
    <cond2 == 0>
(0x1+0x3) with constraints:
    <cond1 != 0>
    <cond2 != 0>

Thanks to @serpilliere

commial added some commits Mar 17, 2016

Introduce `possible_values` helper
Retrieve values of an Expr with their associated constraint. Thanks to

serpilliere added a commit that referenced this pull request Mar 17, 2016

@serpilliere serpilliere merged commit 22e01a8 into cea-sec:master Mar 17, 2016

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@commial commial deleted the commial:expr_possible branch Mar 17, 2016

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