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feat(library/kernel_bindings): global level constructor/accessor/recognizer

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2014-05-07 16:22:45 -07:00
parent db39458c30
commit 4c5f88e63b
2 changed files with 27 additions and 18 deletions
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7
src/library/kernel_bindings.cpp
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@ -50,10 +50,12 @@ static int mk_level_succ(lua_State * L) { return push_level(L, mk_succ(to_level(
static int mk_level_max(lua_State * L) { return push_level(L, mk_max(to_level(L, 1), to_level(L, 2))); }
static int mk_level_imax(lua_State * L) { return push_level(L, mk_imax(to_level(L, 1), to_level(L, 2))); }
static int mk_param_univ(lua_State * L) { return push_level(L, mk_param_univ(to_name_ext(L, 1))); }
static int mk_global_univ(lua_State * L) { return push_level(L, mk_global_univ(to_name_ext(L, 1))); }
static int mk_meta_univ(lua_State * L) { return push_level(L, mk_meta_univ(to_name_ext(L, 1))); }
#define LEVEL_PRED(P) static int level_ ## P(lua_State * L) { return push_boolean(L, P(to_level(L, 1))); }
LEVEL_PRED(is_zero)
LEVEL_PRED(is_param)
LEVEL_PRED(is_global)
LEVEL_PRED(is_meta)
LEVEL_PRED(is_succ)
LEVEL_PRED(is_max)
@ -69,8 +71,9 @@ static int level_is_eqp(lua_State * L) { return push_boolean(L, is_eqp(to_level(
static int level_id(lua_State * L) {
level const & l = to_level(L, 1);
if (is_param(l)) return push_name(L, param_id(l));
else if (is_global(l)) return push_name(L, global_id(l));
else if (is_meta(l)) return push_name(L, meta_id(l));
else throw exception("arg #1 must be a level parameter/metavariable");
else throw exception("arg #1 must be a level parameter/global/metavariable");
}
static int level_lhs(lua_State * L) {
@ -110,6 +113,7 @@ static const struct luaL_Reg level_m[] = {
{"kind", safe_function<level_get_kind>},
{"is_zero", safe_function<level_is_zero>},
{"is_param", safe_function<level_is_param>},
{"is_global", safe_function<level_is_global>},
{"is_meta", safe_function<level_is_meta>},
{"is_succ", safe_function<level_is_succ>},
{"is_max", safe_function<level_is_max>},
@ -141,6 +145,7 @@ static void open_level(lua_State * L) {
SET_GLOBAL_FUN(mk_level_max, "mk_level_max");
SET_GLOBAL_FUN(mk_level_imax, "mk_level_imax");
SET_GLOBAL_FUN(mk_param_univ, "mk_param_univ");
SET_GLOBAL_FUN(mk_global_univ, "mk_global_univ");
SET_GLOBAL_FUN(mk_meta_univ, "mk_meta_univ");
SET_GLOBAL_FUN(level_pred, "is_level");

4
tests/lua/level2.lua Normal file
View file

@ -0,0 +1,4 @@
local u = mk_global_univ("u")
assert(is_level(u))
assert(u:is_global())
assert(u:id() == name("u"))