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Leonardo de Moura
3d30664611 feat(kernel/type_checker): provide the metavar_env to instantiate, it will minimize the number of local_entries needed 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-14 15:13:56 -08:00
Leonardo de Moura
4357c9196e feat(kernel/metavar): make sure that a metavariable 'm' can only be assigned to a term that contains free variables available in the context associated with 'm' 
This commit also simplifies the method check_pi in the type_checker and type_inferer.
It also fixes process_meta_app in the elaborator.
The problem was in the method process_meta_app and process_meta_inst.
They were processing convertability constrains as equality constraints.
For example, process_meta_app would handle

    ctx |- Type << ?f b

as

    ctx |- Type =:= ?f b

This is not correct because a ?f that returns (Type U) for b satisfies the first but not the second.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-14 12:25:00 -08:00
Leonardo de Moura
51aee83b70 refactor(kernel/metavar_env): use the same approach used in the class environment in the class metavar_env 
This modification was motivated by a bug exposed by tst17 at tests/kernel/type_checker.
metavar_env is now a smart point to metavar_env_cell.
ro_metavar_env is a read-only smart pointer. It is useful to make sure we are using proof_state correctly.

example showing that the approach for caching metavar_env is broken in the type_checker

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-13 18:59:15 -08:00
Soonho Kong
26afc6cf12 fix(cmake): fix problem of using LuaJit on OSX(64-bit) 
http://luajit.org/install.html

If you're building a 64 bit application on OSX which links directly or
indirectly against LuaJIT, you need to link your main executable with
these flags:

    -pagezero_size 10000 -image_base 100000000
 2013-12-13 19:52:40 -05:00
Leonardo de Moura
2e5e5e187f chore(util/rc): remove unnecessary argument from LEAN_COPY_REF and LEAN_MOVE_REF macros 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-13 15:01:24 -08:00
Soonho Kong
88424ec382 chore(travis): fix Lua packages (OSX) 2013-12-13 17:55:54 -05:00
Soonho Kong
cbd7333550 chore(travis): fix Lua packages (Linux) 2013-12-13 17:55:54 -05:00
Leonardo de Moura
3416df85f8 fix(util/thread): warning 'thread.cpp.o has no symbols' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-13 14:00:40 -08:00
Leonardo de Moura
fa8b984e27 fix(kernel/environment): compilation warnings 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-13 13:54:45 -08:00
Soonho Kong
cb09b9ba14 chore(travis): add extra builds to test Lua-5.1 and LuaJit on OSX and Linux 2013-12-13 15:08:23 -05:00
Soonho Kong
46e7802d9a test(library/rewriter): add lambda_{body/type}_rewriter tests 2013-12-13 15:08:23 -05:00
Soonho Kong
5b95cf1e03 fix(shell/lua_repl.h): use loadstring for Lua-5.1 instead of load 2013-12-13 00:13:48 -05:00
Soonho Kong
f90a9e96d0 fix(shell/lean.cpp): fix not to overwrite optind by getopt_long 2013-12-12 23:20:47 -05:00
Leonardo de Moura
ae52c8062e chore(kernel/metavar): remove unused function 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-12 17:39:14 -08:00
Leonardo de Moura
450d6a4b1e refactor(util/splay_tree): replace find with splay_find 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-12 17:27:30 -08:00
Leonardo de Moura
f97c260b0b refactor(kernel/environment): add ro_environment 
The environment object is a "smart-pointer".
Before this commit, the use of "const &" for environment objects was broken.
For example, suppose we have a function f that should not modify the input environment.
Before this commit, its signature would be
       void f(environment const & env)
This is broken, f's implementation can easilty convert it to a read-write pointer by using
the copy constructor.
       environment rw_env(env);
Now, f can use rw_env to update env.

To fix this issue, we now have ro_environment. It is a shared *const* pointer.
We can convert an environment into a ro_environment, but not the other way around.

ro_environment can also be seen as a form of documentation.
For example, now it is clear that type_inferer is not updating the environment, since its constructor takes a ro_environment.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-12 16:48:34 -08:00
Leonardo de Moura
7b2cbd6926 chore(kernel/environment): remove implementation hack 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-12 16:48:34 -08:00
Leonardo de Moura
7d184c3c4b fix(util/shared_mutex) missing pragma 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-12 16:48:34 -08:00
Leonardo de Moura
3457fe5935 chore(kernel): rename read_only_environment and read_write_environment 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-12 16:48:33 -08:00
Leonardo de Moura
1852c86948 feat(kernel): improve instantiate and lift_free_vars (use metavar_env to minimize the number of lift and inst local_entries needed) 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-12 16:48:33 -08:00
Leonardo de Moura
058bdb88ac feat(kernel/context): add operator== for contexts, and new constructor 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-12 16:48:33 -08:00
Leonardo de Moura
38a25a1bd2 feat(kernel/metavar): (re-)enable add_lift simplification 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-12 16:48:33 -08:00
Soonho Kong
64963bd9fb chore(travis): use gcc-4.8.3 (20131205) version for windows build 2013-12-12 16:29:14 -05:00
Leonardo de Moura
6ed62247b0 chore(memcheck.supp): generalize Memcheck:Addr4 suppression for LuaJIT, there many warnings of this kind 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-12 09:24:15 -08:00
Leonardo de Moura
98f5ce0512 fix(kernel/context): unused var warning in release mode 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-11 21:24:05 -08:00
Leonardo de Moura
3e77dd0c42 fix(kernel/context): make context remove more robust 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-11 19:51:57 -08:00
Leonardo de Moura
f728f80960 fix(library/elaborator): remove is_neutral_abstraction hack, and bug at process_metavar_lift_abstraction 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-11 19:41:24 -08:00
Leonardo de Moura
8f67348c05 fix(library/elaborator): remove nasty hack, this hack was throwing away the local context at process_meta_app_core 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-11 19:27:21 -08:00
Leonardo de Moura
c29b155fdd feat(library/elaborator): use improved has_free_vars in the elaborator 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-11 16:15:20 -08:00
Leonardo de Moura
0e2b7973cf feat(kernel/free_vars): improve has_free_vars function, it produces better results for expressions containing metavariables 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-11 16:09:33 -08:00
Leonardo de Moura
af1b0d2e81 feat(library): add function free_var_range for computing the range [0, R) of free variables occurring in an expression 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-11 15:32:50 -08:00
Leonardo de Moura
1d33d3b5db fix(library/elaborator): the context of auxiliary metavariables created in the imitation step was incorrect 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-11 12:35:32 -08:00
Leonardo de Moura
55389cf6e5 feat(kernel/context): add find, a version of lookup that does not throw an exception 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-11 09:54:54 -08:00
Leonardo de Moura
cdec9762ce chore(util/pvector): remove unused template 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-10 20:32:10 -08:00
Leonardo de Moura
f8e87436a7 perf(library/elaborator): avoid exception 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-10 19:40:59 -08:00
Leonardo de Moura
4de5f06a97 fix(library/elaborator): bug in process_metavar_inst, and disable simplification that is negatively impacting the elaborator 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-10 19:26:58 -08:00
Leonardo de Moura
5ae71e75bd perf(library/elaborator): avoid exception 
Lean was spending 17% on the runtime "throwing exceptions" in the test tests/lean/implicit7.lean

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-10 16:31:36 -08:00
Leonardo de Moura
1fb526a3d4 perf(library/type_inferer): improve is_proposition performance 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-10 16:18:45 -08:00
Leonardo de Moura
b270fb0030 refactor(library/elaborator): remove synthesizer 
Synthesizer is not part of the elaborator anymore.
The elaborator fills the "easy" holes.
The remaining holes are filled using different techniques (e.g., tactic framework) that are independent of the elaborator.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-10 15:55:54 -08:00
Leonardo de Moura
bbaa83e16a feat(frontends/lean): implement relaxed operator compatibility in the parser 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-10 15:42:43 -08:00
Leonardo de Moura
c0b9c7ffc4 refactor(library/io_state): simplify regular/diagnostic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-10 13:09:35 -08:00
Leonardo de Moura
6b1b6c7bd1 feat(tests/lean): include standard error in the expected output 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-10 12:52:57 -08:00
Leonardo de Moura
e0eeb7c8d5 feat(frontends/lean/operator_info): add << for diagnostic and regular streams 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-10 12:52:31 -08:00
Leonardo de Moura
90f88acf42 feat(frontends/lean): relax compatible_denotation predicate 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-10 12:42:29 -08:00
Leonardo de Moura
abe2cf2fb5 feat(frontends/lean): simplify how implicit parameters are marked 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-10 12:11:04 -08:00
Leonardo de Moura
88f80c9693 fix(shell): add 'file not found' error message 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-10 10:55:13 -08:00
Leonardo de Moura
78ec4b152b feat(frontends/lean): relax restricitions on parsing applications of functions containing implicit arguments 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-10 09:48:24 -08:00
Leonardo de Moura
8d7bd34059 fix(doc/make/split-stack): typo 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-09 22:45:13 -08:00
Leonardo de Moura
d06f4fa3d1 fix(doc/make/split-stack): typos 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-09 22:41:16 -08:00
Leonardo de Moura
7ab321f568 chore(util): remove dead file 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-09 22:32:11 -08:00