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Mirror of https://github.com/leanprover/lean2 in case it ever disappears
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Leonardo de Moura fd7e85f0bb feat(lua): add safe_function template that catches Lean and C++ exceptions and convert them into Lua errors 
I'm using the approach described at:
http://stackoverflow.com/questions/4615890/how-to-handle-c-exceptions-when-calling-functions-from-lua

BTW, in some Lua versions, the C++ exceptions are correctly propagated.
I think we should not rely on features of particular implementations.
For example, LuaJIT does not propagate C++ exceptions.
Whenever an exception is thrown from C++ code invoked from LuaJit, LuaJit interrupts the execution and converts it to an error "C++ exception".
On the other hand, Lua 5.2 PUC-Rio interpreter (for Ubuntu) seem to propagate the C++ exceptions.
The template safe_function solves the issue. It will also produce a Lua error whenever the function being wrapped throws an exception. The error message is based on the "what()" method.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-11-03 14:42:57 -08:00
doc doc(coding_style): add how to organize template source code 2013-10-28 11:31:46 -04:00
examples/lean Fix typo 2013-09-05 19:18:55 -07:00
script fix(script/demangle_cpptype): process line-by-line, instead of waiting for EOF 2013-09-29 18:36:01 -07:00
src feat(lua): add safe_function template that catches Lean and C++ exceptions and convert them into Lua errors 2013-11-03 14:42:57 -08:00
tests feat(lua): allow Lean to be compiled with Lua 5.1 and LuaJit 2013-11-03 12:40:44 -08:00
.gitignore Add more tests 2013-08-31 18:46:18 -07:00
.travis.osx.yml chore(travis): use demangle_cpptype.py to print out test/valgrind output 2013-09-29 16:30:02 -07:00
.travis.windows.yml chore(travis): fix git-commit-msg extraction 2013-09-28 13:33:13 -07:00
.travis.yml feat(lua): install Lua at travis VM 2013-11-02 11:21:30 -07:00
LICENSE Add LICENSE file 2013-07-15 18:55:48 -07:00
README.md doc(commit_convention): add git commit_convention 2013-09-25 19:45:15 -07:00

README.md

Build Status Ubuntu 12.04 LTS 64bit, g++-4.8 | clang++-3.3

Build Status Mac OS X 10.8.2, g++-4.9

Build Status Windows, x86_64-w64-mingw32-g++-4.8.1

[Result of Build/UnitTest/Coverage/Dynamic Analysis]

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