michael/lean2
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions
1982 commits 3 branches 0 tags 28 MiB
Commit graph

515 commits

Author SHA1 Message Date
Leonardo de Moura
15979ab991 fix(lean): fix warnings produced by cppcheck 
Fix (relevant) warnings produced by http://cppcheck.sourceforge.net.
Most warnings produced were incorrect. The tool does not seem to support some of the C++11 new features.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-30 21:38:55 -07:00
Leonardo de Moura
30089aa4f8 test(type_checker): add example showing how to use the kernel exception formatter 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-30 16:39:29 -07:00
Soonho Kong
54f4c4d9bc test(library/rewriter/fo_match): clean up enable_trace 2013-09-29 18:36:01 -07:00
Leonardo de Moura
21f9699661 test(splay_tree): add missing test 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-29 17:28:10 -07:00
Leonardo de Moura
790c2a72d5 test(safe_arith): add unit tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-29 17:20:32 -07:00
Leonardo de Moura
1179b6b52b test(hash): add missing tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-29 17:20:32 -07:00
Leonardo de Moura
57b6148bbb test(buffer): add missing tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-29 17:20:32 -07:00
Leonardo de Moura
02f621aa45 test(lazy_list): add more tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-29 14:38:35 -07:00
Leonardo de Moura
3c8dff9085 feat(lazy_list): implement ML-like lazy lists 
We will use lazy lists to represent the set of solutions produced by the elaborator. The elaborator plugins will also use lazy lists.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-29 12:35:26 -07:00
Soonho Kong
4602dfd209 test(util/numerics): more tests to improve coverage 2013-09-28 23:38:17 -07:00
Soonho Kong
fb3635a9ef test(util/numerics/mpbp): add more tests for improving coverage 2013-09-28 01:01:52 -07:00
Leonardo de Moura
d2667d56c0 test(lean/parser): add more tests for improving coverage 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-27 09:59:50 -07:00
Leonardo de Moura
0ff69d28f3 test(lean/scanner): add more tests for improving coverage 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-27 09:59:50 -07:00
Leonardo de Moura
6fc177056e refactor(tests/frontends/lean): use consistent name convention for file names 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-27 09:59:50 -07:00
Soonho Kong
6a0d211d54 test(fo_match): add more unittests 
[skip ci]
 2013-09-27 01:53:42 -07:00
Leonardo de Moura
9d8ff0eadb test(mpz): add unit tests for mpz 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-26 20:01:39 -07:00
Leonardo de Moura
5cce74d116 test(library): add tests for improving coverage 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-26 19:43:10 -07:00
Leonardo de Moura
54e63fd4de feat(splay_tree): add fold and for_each templates for splay_tree and splay_map 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-26 18:18:20 -07:00
Leonardo de Moura
d7ed1560a9 feat(name_generator): add name_generator for unique names modulo a prefix 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-26 18:18:06 -07:00
Leonardo de Moura
19f4554145 test(exception): add tests for improving coverage 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-26 08:35:13 -07:00
Leonardo de Moura
a24dbc3527 test(buffer): add tests for improving coverage 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-26 08:35:13 -07:00
Leonardo de Moura
4bae715350 fix(memory): disable problematic test when tcmalloc is used 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-25 22:39:49 -07:00
Leonardo de Moura
c00534209a test(splay_map): add tests for improving code coverage 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-25 22:12:49 -07:00
Leonardo de Moura
23e2f72f42 test(list): add tests for improving code coverage 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-25 22:04:24 -07:00
Leonardo de Moura
db4e5ab0ad feat(expr_lt): improve expr_lt performance by using hash codes, and add more tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-25 21:59:58 -07:00
Leonardo de Moura
a7707dd669 test(bit_tricks): add tests for log2 2013-09-25 20:58:01 -07:00
Leonardo de Moura
44a16cab6a test(exception): add new tests exception and parser_exception 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-25 20:57:53 -07:00
Leonardo de Moura
87e749cd12 test(trace): add unit test for trace module 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-25 20:30:05 -07:00
Leonardo de Moura
e16f45854b refactor(deep_copy): simplify deep_copy implementation, and move unit test to separate file 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-25 20:25:24 -07:00
Leonardo de Moura
037ebfd1d4 refactor(util): make 'util/test.h' the first include 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-25 20:13:05 -07:00
Soonho Kong
ad62f9762b fix(tests/util): use lean_assert_eq 2013-09-25 19:22:36 -07:00
Soonho Kong
475338080f fix(tests/interval): use new lean_assert and lean_assert_eq 2013-09-25 18:40:45 -07:00
Soonho Kong
1d8b7dc193 Update 'orelse' and 'then' rewriter to take a list of rewriters 2013-09-25 16:46:39 -07:00
Soonho Kong
a50f5f92b8 Rename 'rewrite' to 'Rewriter', change type of rewriter::operator() 2013-09-25 15:38:16 -07:00
Soonho Kong
57e9e2c658 Re-implement rewrite module using rewrite_cell 2013-09-24 19:11:09 -07:00
Leonardo de Moura
ba0528c298 Implement total order on expressions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-24 12:16:32 -07:00
Leonardo de Moura
e23813f15d Add support for creating unique internal names. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-24 11:01:30 -07:00
Leonardo de Moura
1779b29355 Implement map using splay_trees 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-24 01:44:46 -07:00
Soonho Kong
71fb150333 Fix type of rewrite() to take an env. Add skeletons for other rewriters 2013-09-24 01:20:45 -07:00
Soonho Kong
81c9de229b Add then and orelse rewrite combinators and tests 2013-09-24 01:19:03 -07:00
Soonho Kong
9ba6068858 Update fo_match 2013-09-24 01:19:03 -07:00
Soonho Kong
f89ededddc Add rewrite and first-order pattern matching skeletal 2013-09-24 01:19:03 -07:00
Leonardo de Moura
b78b2e0585 Add remaining splay tree methods 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-24 01:04:02 -07:00
Leonardo de Moura
d31f3facac Implement splay trees 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-23 22:31:18 -07:00
Leonardo de Moura
46d6c41835 Fix bug in the type checker (when type checking terms with meta-variables). 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-22 19:12:19 -07:00
Leonardo de Moura
c847d27763 Improve higher order unification 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-21 00:41:49 -07:00
Leonardo de Moura
d29ec9ab6f Add tests for memory.cpp 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-20 22:37:13 -07:00
Leonardo de Moura
7ac94ee976 Add max_sharing tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-20 22:01:40 -07:00
Leonardo de Moura
d34cfe3f8a Add simple formatter tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-20 21:46:32 -07:00
Leonardo de Moura
42482622f6 Add imitation for lambdas and Pis 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-19 16:28:23 -07:00
Leonardo de Moura
d7cc5d2404 Fix bug in ho_unifier 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-19 16:28:23 -07:00
Leonardo de Moura
2f29ff70d7 Implement higher-order unification 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-18 20:46:00 -07:00
Soonho Kong
27d5ae13d7 Move src/interval to src/util/interval 2013-09-17 14:10:53 -07:00
Leonardo de Moura
3df6149daa Add support for metavariables in the type checker. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-17 11:09:59 -07:00
Leonardo de Moura
30b19c314a Add basic support for metavariables at is_convertible. Swap is_convertible arguments to make it more intuitive. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-17 07:15:47 -07:00
Leonardo de Moura
a26c7d47f2 Add simplification to add_lift 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-17 03:14:02 -07:00
Leonardo de Moura
99e8d2feae Add simplification rule to add_inst 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-17 02:57:28 -07:00
Leonardo de Moura
21c7a45f67 Relax definition of identity_stack. Fix printer for metavariable contexts. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-17 02:09:45 -07:00
Leonardo de Moura
d3bce584f4 Add support for new metavariable representation in the normalizer. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-17 01:57:21 -07:00
Leonardo de Moura
99a163f11d Simplify metavariable context. Now, we have only 'lift' and 'inst' instead of 'subst', 'lift' and 'lower' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-16 19:32:28 -07:00
Leonardo de Moura
cad562a448 Add support for metavariables in the normalizer. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-16 19:32:28 -07:00
Leonardo de Moura
f79f046294 Add partial support for metavariables in the normalizer 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-15 21:23:50 -07:00
Leonardo de Moura
2800292947 Add timestamp to metavar_env 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-15 19:50:48 -07:00
Leonardo de Moura
5a4bc331d2 Make unification_problems a virtual class. Associate a 'standard' context with each metavariable in metavar_env 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-15 19:38:36 -07:00
Leonardo de Moura
63e102055e Move metavariables to the kernel. This is the first step for implementing the new elaborator. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-15 12:09:01 -07:00
Soonho Kong
e4b327bbaa Use C++11's <random> in pdeque/pvector tests (cygwin doesn't support rand_r) 2013-09-15 01:38:57 -07:00
Soonho Kong
c96a6982a0 Add <ctime> header for time() in pdeque/pvector tests 2013-09-13 20:42:49 -07:00
Soonho Kong
eda25e77a4 Use time(0) as an initial seed for rand_r() in pvector/pdeque tests 2013-09-13 20:28:15 -07:00
Soonho Kong
bc60b47295 Apply coding style 2013-09-13 18:48:09 -07:00
Leonardo de Moura
8c735f1daa Use consistent coding style for spaces after ',' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-13 12:49:03 -07:00
Leonardo de Moura
573ec5ccc2 Rename import_all. The idea is to use consistent name for library files. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-13 09:06:46 -07:00
Leonardo de Moura
070c87bef0 Rename arith library files 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-13 08:55:09 -07:00
Soonho Kong
5c3866cd71 Use fullpath in #include directives, add missing STL headers 2013-09-13 03:35:29 -07:00
Leonardo de Moura
4c19cc6957 Rename lean frontend files. The prefix lean_ is not necessary anymore. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-12 20:09:35 -07:00
Leonardo de Moura
26097475fd Use fullpath in #include directives. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-12 20:04:10 -07:00
Leonardo de Moura
c655e9fe7b Move sexpr_funcs to sexpr_fn. Using consistent file name conventions. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-12 18:27:46 -07:00
Leonardo de Moura
2e990ef7d3 Fix warnings 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-12 14:02:40 -07:00
Leonardo de Moura
bc69e7803f Add support for writing a[i] = v instead of a.set(i, v) in the pdeque class. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-12 11:18:26 -07:00
Leonardo de Moura
74b8a4f0ac Add support for writing a[i] = v instead of a.set(i, v) in the pvector class. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-12 11:12:02 -07:00
Leonardo de Moura
f972cc9aae Fix bugs in pvector. Improve test driver 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-12 11:01:40 -07:00
Leonardo de Moura
55ff49d2d5 Replace queue.h with pdeque.h 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-12 10:09:54 -07:00
Leonardo de Moura
cd5e45bae2 Reduce pvector delta_cell quota on reads. Add example that demonstrates why this is needed. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-12 08:28:24 -07:00
Soonho Kong
5858c9d5e0 Update tests/util/list.cpp to suppress a g++ warning 2013-09-12 01:39:04 -07:00
Leonardo de Moura
f7196e05ff Add 'persistent' vectors. We should use the same approach for queues. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-11 19:48:55 -07:00
Leonardo de Moura
ef0e0ad382 Add (optional) performance tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-11 19:48:55 -07:00
Leonardo de Moura
37498f9fb8 Add persistent queues 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-11 19:48:54 -07:00
Leonardo de Moura
3657320edb Add basic list functions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-11 19:48:54 -07:00
Soonho Kong
3505ed8adb Use suppressions file to ignore certain valgrind warnings 2013-09-10 15:37:09 -07:00
Leonardo de Moura
6fe86ffefd Fix initialized memory error reported by Valgrind. Disable 2 tests that produce memory leaks due to a bug in g++. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-10 13:51:02 -07:00
Leonardo de Moura
1cee392483 Add light_checker: module for extracting the type of (fully elaborated) expressions. It is much faster than type_checker, which infers the type but also check whether the input is type correct or not. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-07 22:33:18 -07:00
Leonardo de Moura
33c4b44b2b Encapsulate context implementation. The current implementantion based on lists may be a performance problem in the future, and we should be able to change it without affecting the whole code base. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-07 11:15:11 -07:00
Leonardo de Moura
c674bb3790 Add castlib as an independent library 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-06 23:40:47 -07:00
Leonardo de Moura
7a9d53d0d7 Refactor arith libraries 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-06 23:19:47 -07:00
Leonardo de Moura
2459c4ae7c Add (optional) type to let declarations 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-06 10:06:26 -07:00
Leonardo de Moura
87d3961158 Improve elaborator error messages 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-04 16:36:58 -07:00
Leonardo de Moura
e955c054ca Modify type checker. Now, it only accepts builtin values that have been declared in the environment. The idea is to be able to track which classes of builtin values have been used in a given environment. We want to be able to quantify the size of the trusted code base for a particular development. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-04 08:30:04 -07:00
Leonardo de Moura
9f64e2b14b Fix another cdash warning 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-04 04:43:55 -07:00
Leonardo de Moura
6f3fa63ccb Add missing test 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-03 14:51:34 -07:00
Leonardo de Moura
a154f4e439 Modify Set command in the default lean frontend. Now, the lean prefix (for lean default frontend specific options) is optional when we are in the lean front-end. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-03 11:07:28 -07:00
Leonardo de Moura
a341643335 Fix unit tests for Windows 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-03 10:44:51 -07:00
Leonardo de Moura
544229e5d3 Create pp::unicode option. The idea is to be able to disable unicode characters, but still be able to use mixfix notation. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-03 10:11:45 -07:00
Leonardo de Moura
fd44ec8d79 Improve application type mismatch error messages 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-02 18:28:12 -07:00
Leonardo de Moura
b483d0dc45 Replace Int::sub and Real::sub with definitions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-02 16:31:30 -07:00
Leonardo de Moura
0a67679afb Add natural numbers. Fix how coercions and overloads interact (switch to approach used in C++). Add notation for natural and integer arithmetic. Rename m and u universe variables to M and U. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-02 12:24:29 -07:00
Leonardo de Moura
db88920f81 Rename normalize and type_check to normalizer and type_checker (using a consistent naming convention) 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-02 08:43:38 -07:00
Leonardo de Moura
e8c09015ad Move elaborator to lean default frontend. It is getting too specific 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-01 18:22:24 -07:00
Leonardo de Moura
61a8fd16db Remove unnecessary files 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-09-01 14:57:08 -07:00
Leonardo de Moura
9d9f9797e4 Improve elaborator interface. Now, the metavariables are created inside the elaborator. The elaborator-user only needs to create placeholders. Motivaton: the placeholders are meaningful independently of the elaborator. On the other hand, the metavariables depend on the elaborator state. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-31 17:11:06 -07:00
Leonardo de Moura
2aac94f2e6 Refactor elaborator using new metavar library. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-30 01:25:06 -07:00
Leonardo de Moura
682df7699d Fix is_convertible propositions => type 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-30 01:24:06 -07:00
Leonardo de Moura
1f6943e3a4 Add head_reduce_mmv (reduction function modulo metavariables) 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-29 14:15:17 -07:00
Leonardo de Moura
2cf9ca9345 Add metavariable utilities. They will be used to refactor the elaborator. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-29 13:49:22 -07:00
Leonardo de Moura
01e4b4b7fe Add postprocessor functional object to the replace_fn template. Add unit-test that demonstrates how to build a replacer that builds a trace. The trace associates new expressions with the old ones that were used to create it. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-28 10:47:19 -07:00
Leonardo de Moura
cdab19b88c Simplify the elaborator 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-27 20:39:38 -07:00
Leonardo de Moura
8dacd97801 Remove obsolete commands. 2013-08-27 16:03:45 -07:00
Leonardo de Moura
85daaea8ce Rename get_exs in oper to get_deno 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-27 09:49:48 -07:00
Leonardo de Moura
76c968a5b8 Add basic support for hiding implicit arguments when pretty printing. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-26 20:35:10 -07:00
Leonardo de Moura
7003f85213 Add implicit argument management to lean frontend. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-26 10:16:29 -07:00
Leonardo de Moura
0a34959716 Fix a bug. Add another test. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-25 20:43:50 -07:00
Leonardo de Moura
3721577700 Fix bugs in elaborator. Cleanup tests. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-25 18:46:33 -07:00
Leonardo de Moura
02b72acc2f Add implicit arguments unit tests 2013-08-24 18:23:39 -07:00
Leonardo de Moura
f08c06d582 Add head_beta tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-23 09:42:49 -07:00
Leonardo de Moura
670dc5ad55 Add option to control maximum recursion depth in the expression normalizer 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>

Conflicts:
	src/tests/kernel/normalize.cpp
 2013-08-23 09:42:49 -07:00
Leonardo de Moura
42a7094ca2 Fix bug in display_decimal. Add more mpq tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-23 09:42:49 -07:00
Leonardo de Moura
f1462dc51e Change lean frontend specific options. Now, frontend specific options must begin with the frontend name. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-22 10:55:55 -07:00
Leonardo de Moura
60fdcf0011 Add option_declaration tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-22 08:59:39 -07:00
Leonardo de Moura
5d813c30d0 Add missing option test 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-22 08:51:33 -07:00
Leonardo de Moura
fbd25cac9f Add hierarchical names tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-22 08:48:52 -07:00
Leonardo de Moura
1b5fcb80ee Add sexpr tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-22 08:30:52 -07:00
Leonardo de Moura
6272408f12 Add format tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-22 08:20:42 -07:00
Leonardo de Moura
3c5f993191 Fix bugs in options module. Add more tests. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-22 08:08:55 -07:00
Leonardo de Moura
0ffa76aa5e Fix unused variable warnings 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-21 17:02:09 -07:00
Leonardo de Moura
31460aa5b8 Add option declarations. Add Help. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-21 17:02:09 -07:00
Leonardo de Moura
d750469667 Move frontend to frontends/lean 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-21 09:04:49 -07:00
Leonardo de Moura
7778ae0ade Fix cyclic reference: frontend -> state -> pp_formatter -> frontend. Now pp_formatter is only valid while frontend is still alive. This should not be problem in practice. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-20 20:16:02 -07:00
Leonardo de Moura
3f5a2a83cc Add methods for setting options. Add string output channel. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-20 20:16:02 -07:00
Leonardo de Moura
4fa2468a85 Add output_channel and state abstractions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-20 20:16:02 -07:00
Leonardo de Moura
d82c60a314 Add test normalizer interrupt 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-20 20:16:02 -07:00
Leonardo de Moura
88cc3dc20d Add interrupt to normalizer. Fix tests (they were not using the basic printer). 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-19 20:05:56 -07:00
Leonardo de Moura
f6ea9fca7d Remove interrupt.cpp. We changed the way we will handle interruptions in Lean. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-19 20:05:56 -07:00
Leonardo de Moura
b964edfb3e Add interrupt method to type checker. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-19 20:05:56 -07:00
Leonardo de Moura
f5e0150db3 Allow notation to be associated with arbitrary expression (instead of only constants). 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-19 20:05:56 -07:00
Leonardo de Moura
f0b5ec8dfa Fix bug in parse_arrow 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-19 20:05:56 -07:00
Leonardo de Moura
de80db3985 Add support for pretty printing Dags. Find unused prefix for naming shared expressions. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-19 12:04:40 -07:00
Leonardo de Moura
90ad0ba3b3 Add is_prefix_of for hierarchical names 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-19 11:43:46 -07:00
Leonardo de Moura
676ebcca3d Add parse_arrow 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-18 15:44:39 -07:00
Leonardo de Moura
7a9319b72e Pretty print let expressions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-18 15:25:20 -07:00
Leonardo de Moura
843253355b Improve parser 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-18 11:02:29 -07:00
Leonardo de Moura
823fe6df07 Move test from lean.cpp 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-18 11:02:29 -07:00
Soonho Kong
ec83fd8093 Fix interval::acosh and add more tests on interval to improve code coverage 2013-08-18 01:20:16 -07:00
Leonardo de Moura
65b4845fbc Add more tests to improve coverage. Fix bug in mpz. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-18 00:28:50 -07:00
Leonardo de Moura
06f1b2a7db Add parse_expr. Add more tests. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-17 18:35:50 -07:00
Leonardo de Moura
685aeae43a Add parser skeleton 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-17 18:13:55 -07:00
Leonardo de Moura
f1961ab33f Add another pp example 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-17 12:38:32 -07:00
Leonardo de Moura
80ec48c93d Make sure formatter can be used even when associated frontend is not in scope. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-17 12:33:19 -07:00
Leonardo de Moura
a6f36ba546 Improve formatter usage. Fix bug in object printer. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-17 11:29:43 -07:00
Leonardo de Moura
0f3af23778 Fix crash when trying to format an object created by a different frontend. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-17 11:04:22 -07:00
Leonardo de Moura
b633c866e6 Expose environment API in the frontend object. Add support for formatting objects. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-17 10:55:42 -07:00
Leonardo de Moura
c6226c6951 Fix typo 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-16 20:51:11 -07:00
Leonardo de Moura
15c1c97873 Refactor frontend pretty printer 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-16 20:40:39 -07:00
Leonardo de Moura
0fbfef8eb0 Remove sanitize_names from kernel 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-16 20:40:39 -07:00
Leonardo de Moura
111cdd4e62 Remove pretty printer from kernel. Add basic printing capability to exprlib module. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-16 20:40:39 -07:00
Leonardo de Moura
519a290f32 Refactor kernel objects 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-16 20:40:39 -07:00
Soonho Kong
93475ac2eb Clean up interval check function 2013-08-16 19:58:56 -07:00
Soonho Kong
3d8eda2239 Fix src/tests/interval/CMakeLists.txt to have different test names 2013-08-16 19:58:56 -07:00
Leonardo de Moura
c41b3dc4d8 Add kernel_exceptions. The idea is to avoid expression formatting in the kernel. It also allows different frontends to display the error messages is a different way. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-16 12:51:12 -07:00
Leonardo de Moura
1038f7346e Refine initialization order. Polish Universe command pretty printer. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-16 09:30:08 -07:00
Leonardo de Moura
790d4a4447 Move pretty printer to frontend. Add support for mixfix pretty printing 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-15 19:02:28 -07:00
Leonardo de Moura
5395ced0e5 Improve comments 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-15 19:02:28 -07:00
Leonardo de Moura
e9106f7512 Delete obsolete function continue_on_violation 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-15 19:02:28 -07:00
Leonardo de Moura
99219f998b Rename files sets.h and maps.h to expr_sets.h and expr_maps.h 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-15 19:02:28 -07:00
Leonardo de Moura
013fa866fa Add iterator for traversing local objects (i.e., ignores objects defined in ancestor environments) 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-15 19:02:28 -07:00
Leonardo de Moura
2b7834c5fc Add methods for creating infix, prefix, postfix operators in the frontend object 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-15 19:02:28 -07:00
Soonho Kong
c5db989e38 Add csc, sec, cot to interval & add tests for them 2013-08-15 17:44:11 -07:00
Soonho Kong
25bfb58f17 Update interval tests to reduce compile-time 2013-08-15 11:32:27 -07:00
Soonho Kong
7059836e21 Add more tests for float and double interval 2013-08-14 23:49:27 -07:00
Leonardo de Moura
2d74ff5fe0 Cache results of the normalizer. Add example that demonstrates the exponential performance improvement. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-14 23:18:50 -07:00
Leonardo de Moura
984c4149fa Add helper functions for creating Let expressions. Add simple type checking test for Let expressions. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-14 22:30:12 -07:00
Soonho Kong
da764aec14 Add more test to interval, to check inclusion property of the results 2013-08-14 19:55:47 -07:00
Leonardo de Moura
913fd14549 Add operator== to list 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-14 18:17:18 -07:00
Leonardo de Moura
285c8dafdc Display context_entry body when pretty printing contexts. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-14 18:17:18 -07:00
Leonardo de Moura
d71c36ed60 Improve sanitizer test 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-14 18:17:18 -07:00
Leonardo de Moura
23d245bb2e Sanitize context names before generating error messages. Add [[ noreturn ]] attribute to functions that always throw exceptions. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-14 18:17:18 -07:00
Leonardo de Moura
a6f0a69186 Avoid head and tail when manipulating contexts 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-14 18:17:18 -07:00
Leonardo de Moura
56305e4672 Add sanitize_names for (local) contexts 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-14 18:17:17 -07:00
Leonardo de Moura
338ce88ea0 Add occurs function 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-14 18:17:17 -07:00
Soonho Kong
43b25a0231 Add operator<(mpq, double) to mpq 2013-08-14 13:45:29 -07:00
Soonho Kong
5a38480cf7 Remove "continue_on_violation(true);" from tests 2013-08-14 13:24:18 -07:00
Soonho Kong
56f4050932 Add {float,double,mpfp}_interval.cpp in tests/interval 2013-08-14 10:56:05 -07:00
Soonho Kong
840403db42 Add more test 2013-08-14 00:01:29 -07:00
Soonho Kong
d51e2e3a25 Add more test to interval 2013-08-13 23:05:00 -07:00
Soonho Kong
60ee5e08fb Add more test to interval 2013-08-13 20:09:06 -07:00
Leonardo de Moura
2dad1e0e33 Fix type mismatch error message 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-13 19:24:11 -07:00
Leonardo de Moura
392b347f53 Add expr_formatter and expr_locator. Add better error messages. Improve simple printer. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-13 19:16:40 -07:00
Leonardo de Moura
3bcbdf7c7b Add options to customize formatter 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-13 16:19:30 -07:00
Leonardo de Moura
11a9cac5d6 Refactor kernel objects 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-13 15:13:54 -07:00
Leonardo de Moura
00c06839a4 Fix scanner. Add scanner tests. Add itera to list::iterator. Add parser_exce. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-13 10:55:41 -07:00
Leonardo de Moura
0a4e03efc5 Remove option name::separator, it can't be configured during runtime 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-13 08:18:01 -07:00
Leonardo de Moura
963afa4861 Add missing files 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-13 07:07:14 -07:00
Leonardo de Moura
2ea7479ee9 Move sexpr/format/options to util/sexpr (reason: circular dependency between util and numerics lib), now numerics depend on util, and sexpr depends on numerics and util. Add scanner to frontend. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-13 03:40:51 -07:00
Soonho Kong
c700707f37 Add more tests to interval 2013-08-13 00:35:14 -07:00
Leonardo de Moura
8142317983 Fix typo 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-12 19:15:12 -07:00
Leonardo de Moura
50cf3e42f1 Add operator_info 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-12 19:12:44 -07:00
Soonho Kong
916e348dec Disable thread-related tests on OSX due to the bug on gcc-4.8.1 2013-08-12 14:58:18 -07:00
Soonho Kong
6bbe592e2a Add double/mpfp interval tests 2013-08-12 14:58:18 -07:00
Leonardo de Moura
ca4c37528f Fix cygwin compilation error 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-12 14:50:48 -07:00
Leonardo de Moura
276240748e Add simple thread example 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-12 14:10:21 -07:00
Leonardo de Moura
4eeb72b0ee Fix performance problem in has_free_var. Add new test at src/tests/kernel/free_vars.cpp that exposes the problem. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-11 11:19:59 -07:00
Leonardo de Moura
6d9a342f17 Add regression test to expose bug fixed in previous commit. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-10 22:14:27 -07:00
Leonardo de Moura
5c6ee647a9 Fix bug in has_free_vars_fn. Add optimization to type_checker. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-10 22:05:04 -07:00
Leonardo de Moura
7ebaac62a8 Add scoped_map. Cache type checker results. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-10 19:27:56 -07:00
Leonardo de Moura
f79c0d3546 Add support for cygwin 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-10 14:21:13 -07:00
Leonardo de Moura
03461df55e Add frontend object 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-10 14:21:13 -07:00
Leonardo de Moura
9fbe99bf58 Rename define_uv -> add_uvar 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-10 14:21:13 -07:00
Leonardo de Moura
c6d0afcc40 Rename sexpr eqp to is_eqp 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-10 14:21:13 -07:00
Leonardo de Moura
e5fe016a44 Add pretty printer for s-expressions and options 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-08 18:38:18 -07:00
Leonardo de Moura
33e8e4af23 Add initializer list constructor for hierarchical names 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-08 18:38:18 -07:00
Leonardo de Moura
f18149934b Move sexpr to util directory 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-08 18:38:18 -07:00
Leonardo de Moura
b50d9df784 Add options 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-08 18:38:18 -07:00
Leonardo de Moura
ecf9506abe Add object iterator for environment objects 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-08 18:38:18 -07:00
Leonardo de Moura
bede62e2f7 Fix bug in sexpr operator <<. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-07 21:53:19 -07:00
Soonho Kong
b970c964ff Add transcendental functions to interval (still need to fill more...) 2013-08-07 19:32:15 -07:00
Soonho Kong
ea6b4ddca7 Add more tests to interval 2013-08-07 19:32:03 -07:00
Leonardo de Moura
2670e94398 Add pretty printer for Lean environment 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-07 19:10:12 -07:00
Leonardo de Moura
f8e3563034 Add scoped sets 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-07 13:54:18 -07:00
Leonardo de Moura
5acedcddbb Remove useless is_* functions. We can use equality for that (more readable and similar performance). 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-07 08:34:50 -07:00
Soonho Kong
975730a3fb Add test for mpfp 2013-08-06 20:00:37 -07:00
Leonardo de Moura
84f4a32c0e Change name convention for creating Lean expressions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-06 11:27:14 -07:00
Leonardo de Moura
30513398bb Add basic definitions and axioms 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-05 20:06:42 -07:00
Leonardo de Moura
8aee11e538 Fix test failure when using clang++ and release mode 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-05 20:06:42 -07:00
Leonardo de Moura
f6057e2b28 Add more environment tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-05 20:06:42 -07:00
Leonardo de Moura
0c610e0a77 Fix bug in type checker 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-05 20:06:42 -07:00
Leonardo de Moura
70de591934 Add definitions and facts 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-04 20:52:14 -07:00
Leonardo de Moura
5f77a2367f Allow Boolean expressions (aka propositions) to be used as types. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-04 18:26:01 -07:00
Leonardo de Moura
4b5d60f2b2 Add get_uvar method 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-04 17:47:54 -07:00
Leonardo de Moura
c97db1f0cf Add children environments 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-04 16:07:37 -07:00
Leonardo de Moura
95447deea3 Add normalization a = b for values (aka semantic attachments) 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-04 14:54:33 -07:00
Leonardo de Moura
f0ccb2a03e Rename eqp --> is_eqp. The name is too similar to heterogeneous equality constructor eq. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-04 09:41:49 -07:00
Leonardo de Moura
3f789ce2b7 Add let and heterogeneous equality. Add bool_type and bool_value. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-04 09:37:52 -07:00
Leonardo de Moura
b979436c40 Add basic semantic attachments for arithmetic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-03 19:57:06 -07:00
Leonardo de Moura
0a679074f0 Add support for semantic attachments. Remove expr_numeral 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-03 16:12:15 -07:00
Leonardo de Moura
cce469119f Flip order of the arguments for instance and abstract. Simplify type_checker. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-03 16:12:15 -07:00
Leonardo de Moura
190855ad1b Add (relaxed) version of instantiate that can substitute terms containing free variables 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-03 16:12:15 -07:00
Leonardo de Moura
2972bdfec3 Rename abst_type to abst_domain 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-03 16:12:12 -07:00
Leonardo de Moura
e1e3e6b2d6 Add instantiate tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-03 16:10:20 -07:00
Soonho Kong
fd7f0e9658 Update format test 2013-08-02 20:00:40 -07:00
Soonho Kong
cda969187a Add one small test to expr 2013-08-02 10:34:46 -07:00
Leonardo de Moura
c13b9a792a Add small example 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-01 22:07:28 -07:00
Leonardo de Moura
3ef9d21875 Fix bugs in type checker 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-01 21:40:39 -07:00
Leonardo de Moura
7b00561a94 Normalize level expressions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-08-01 21:40:39 -07:00