70 lines
2.8 KiB
C++
70 lines
2.8 KiB
C++
/*
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Copyright (c) 2014 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#include "util/sstream.h"
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#include "library/annotation.h"
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#include "library/explicit.h"
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#include "library/kernel_bindings.h"
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namespace lean {
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static name * g_explicit_name = nullptr;
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static name * g_as_atomic_name = nullptr;
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static name * g_as_is_name = nullptr;
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static name * g_consume_args_name = nullptr;
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expr mk_explicit(expr const & e) { return mk_annotation(*g_explicit_name, e); }
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bool is_explicit(expr const & e) { return is_annotation(e, *g_explicit_name); }
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bool is_nested_explicit(expr const & e) { return is_nested_annotation(e, *g_explicit_name); }
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expr const & get_explicit_arg(expr const & e) { lean_assert(is_explicit(e)); return get_annotation_arg(e); }
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expr mk_as_is(expr const & e) { return mk_annotation(*g_as_is_name, e); }
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bool is_as_is(expr const & e) { return is_annotation(e, *g_as_is_name); }
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expr const & get_as_is_arg(expr const & e) { lean_assert(is_as_is(e)); return get_annotation_arg(e); }
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expr mk_as_atomic(expr const & e) { return mk_annotation(*g_as_atomic_name, e); }
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bool is_as_atomic(expr const & e) { return is_annotation(e, *g_as_atomic_name); }
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expr const & get_as_atomic_arg(expr const & e) { lean_assert(is_as_atomic(e)); return get_annotation_arg(e); }
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expr mk_consume_args(expr const & e) { return mk_annotation(*g_consume_args_name, e); }
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bool is_consume_args(expr const & e) { return is_annotation(e, *g_consume_args_name); }
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expr const & get_consume_args_arg(expr const & e) { lean_assert(is_consume_args(e)); return get_annotation_arg(e); }
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void initialize_explicit() {
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g_explicit_name = new name("@");
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g_as_atomic_name = new name("as_atomic");
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g_as_is_name = new name("as_is");
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g_consume_args_name = new name("!");
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register_annotation(*g_explicit_name);
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register_annotation(*g_as_atomic_name);
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register_annotation(*g_as_is_name);
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register_annotation(*g_consume_args_name);
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}
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void finalize_explicit() {
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delete g_as_is_name;
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delete g_as_atomic_name;
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delete g_explicit_name;
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delete g_consume_args_name;
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}
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static int mk_explicit(lua_State * L) { return push_expr(L, mk_explicit(to_expr(L, 1))); }
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static int is_explicit(lua_State * L) { return push_boolean(L, is_explicit(to_expr(L, 1))); }
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static void check_explicit(lua_State * L, int idx) {
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if (!is_explicit(to_expr(L, idx)))
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throw exception(sstream() << "arg #" << idx << " is not a '@'-expression");
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}
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static int get_explicit_arg(lua_State * L) {
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check_explicit(L, 1);
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return push_expr(L, get_explicit_arg(to_expr(L, 1)));
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}
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void open_explicit(lua_State * L) {
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SET_GLOBAL_FUN(mk_explicit, "mk_explicit");
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SET_GLOBAL_FUN(is_explicit, "is_explicit");
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SET_GLOBAL_FUN(get_explicit_arg, "get_explicit_arg");
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}
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}
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