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Soufflé is a translator of declarative Datalog programs into the C++ language. Soufflé is used as a domain-specific language for static program analysis, over large code bases with millions of lines of code. Soufflé aims at producing high-performance C++ code that can be compiled with the native compiler on the target machine.

License: Universal Permissive License v1.0

Dockerfile 0.44% Shell 0.53% C++ 94.75% Yacc 1.00% LLVM 0.44% C 0.11% CMake 2.39% SWIG 0.03% Java 0.13% Python 0.08% Pascal 0.09%

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0xdomrom avatar 65linesofcode avatar aeflores avatar azreika avatar b-scholz avatar bfairservice-gt avatar brofranks avatar chadgavin avatar davidwzhao avatar dcol97 avatar detljh avatar herbertjordan avatar mmcgr avatar nkeynes-oracle avatar ohamel-softwaresecure avatar olligobber avatar pnappa avatar psubotic avatar ptrk8 avatar quentin avatar rdowavic avatar samarch27 avatar sarah-sallinger-sonarsource avatar scyptnex avatar ssallinger avatar tomaspuverle avatar tytus-metrycki avatar xiaowenhu96 avatar yuli6313 avatar zyzek avatar

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souffle's Issues

Buggy Interpreter

There is something wrong with the interpreter.

  1. LVM segfault. (LVM segfault souffle-lang#964 in the main branch)
  2. RAMI can also produce incosisnent results with some modification.

I don't know what is wrong yet. And I need to worry about other things for now. So I'm just gonna list all the information here for a future revisit.

  1. LVM segfault. Very rarely. So rare that I can't produce it on any of my devices.
  2. Running the tests on MacOS system always fail some tests randomly. (Happen to the compiler, RAMI and LVM. So may not be relevant to the interpreter)
  3. If I use a single InterpreterCtxt for RAMI like I did in LVM (Instead of scoping). I get incosisent results for some test cases. Sometimes even crashes (I left the code in branch buggyInterpreter).

I suspect either some variables are left uninitialized or there is something wrong with InterpreterCtxt. Maybe I need to understand the mechanism behind translationUnit.

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