Summary:
The Cost analysis uses `Bound` for non-negative values only, let's make it a separate module (and abstract type).
This also separates the abstract domain part of `Bound` which we wanted anyway.
Depends on D7844267
Depends on D7843351
Depends on D7782184
Reviewed By: ddino
Differential Revision: D7844572
fbshipit-source-id: 0e6b620
Summary: We were wrongly using the underapproximation of `min` rather than the overapproximation
Reviewed By: ddino
Differential Revision: D7844267
fbshipit-source-id: c9d9247
Summary:
This simplifies the frontends and backends in most cases. Before this diff,
returning `void` could be modelled either with a `None` return, or a dummy
return variable with type `Tvoid`. Now it's always the latter.
Reviewed By: sblackshear, dulmarod
Differential Revision: D7832938
fbshipit-source-id: 0a403d1
Summary:
The abstract interpreter tried to handle exceptional control-flow by propagating the *pre* of a block that threw an exception rather than the *post*.
This was a half-measure that isn't correct when an exception-throwing instruction isn't in the middle of a block.
The handling of exceptions wasn't actually used anywhere and was leading to further hacks in `ProcCfg`, so let's get rid of it.
Reviewed By: mbouaziz, jvillard
Differential Revision: D7843872
fbshipit-source-id: 2a4a815
Summary: Returning the list of sub-expressions is not right and can cause assertion failures elsewhere in the frontend.
Reviewed By: dulmarod
Differential Revision: D7813493
fbshipit-source-id: 33ac9c1
Summary: It's useful for client analyses to be able to see which methods a type defines.
Reviewed By: jvillard
Differential Revision: D7813582
fbshipit-source-id: 675c041
Summary:
Needed to prevent a circular dependency between `CProcname` and `CType_decl`.
An upcoming diff will introduce a function for getting all the methods from a struct that requires both modules.
Reviewed By: dulmarod
Differential Revision: D7813367
fbshipit-source-id: b049d36
Summary: Extracting function from `get_struct_fields` and making it work for everything in the AST.
Reviewed By: jvillard
Differential Revision: D7813040
fbshipit-source-id: 082f087
Summary:
This required a translation unit context, but really all it needs is a bool specifying whether the procname is a cpp name.
Makes it easier to call this function from a place where I'll need it in the near future.
Reviewed By: jvillard
Differential Revision: D7812835
fbshipit-source-id: 7900893
Summary:
Add warning 60 (unused module) to the list of fatal warnings. Whitelisting
modules at toplevel is tricky (see inline comments) but doable.
Reviewed By: mbouaziz
Differential Revision: D7790073
fbshipit-source-id: 6f591c4
Summary:
Previously, the command parsing code filtered out any elements that were `False`y in the Python sense (starting with D5507925).
This meant that a command like `javac -classpath '' -Xmaxerrs 1000 MyFile.java` would be parsed as `javac -classpath -Xmaxerrs 1000 MyFile.java`, which will fail with "unrecognized option 1000".
This diff removes the filtering and fixes that issue.
Reviewed By: jeremydubreil
Differential Revision: D7797560
fbshipit-source-id: 63df06b
Summary:
Now that we have the abstract state at the instruction level, we don't need to reexecute instructions during the checking phase and can just query the invariant map.
Depends on D7608526
Reviewed By: skcho
Differential Revision: D7775889
fbshipit-source-id: be17e2d
Mehdi Bouaziz
Jeremy Dubreil
Brandon Kieft
Dulma Churchill
Sam Blackshear
Jules Villard
Daiva Naudziuniene
Dino Distefano
Nikos Gorogiannis
Tony Hu