lean4-htt/src/library/vm/vm_pexpr.cpp
2017-03-05 08:37:16 -08:00

78 lines
2.2 KiB
C++

/*
Copyright (c) 2016 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Author: Leonardo de Moura
*/
#include "kernel/instantiate.h"
#include "kernel/scope_pos_info_provider.h"
#include "library/placeholder.h"
#include "library/explicit.h"
#include "library/vm/vm.h"
#include "library/vm/vm_expr.h"
#include "library/vm/vm_string.h"
#include "library/vm/vm_option.h"
#include "library/vm/vm_pos_info.h"
#include "library/quote.h"
#include "frontends/lean/prenum.h"
#include "library/string.h"
namespace lean {
vm_obj pexpr_of_expr(vm_obj const & e) {
return to_obj(mk_as_is(to_expr(e)));
}
vm_obj expr_to_string(vm_obj const &);
vm_obj pexpr_to_string(vm_obj const & e) {
return expr_to_string(e);
}
vm_obj pexpr_to_raw_expr(vm_obj const & e) {
return e;
}
vm_obj pexpr_of_raw_expr(vm_obj const & e) {
return e;
}
vm_obj pexpr_mk_placeholder() {
return to_obj(mk_expr_placeholder());
}
vm_obj pexpr_pos(vm_obj const & e) {
if (auto p = get_pos_info(to_expr(e)))
return mk_vm_some(to_obj(*p));
return mk_vm_none();
}
vm_obj pexpr_mk_quote_macro(vm_obj const & e) {
return to_obj(mk_pexpr_quote(to_expr(e)));
}
vm_obj pexpr_mk_prenum_macro(vm_obj const & n) {
return to_obj(mk_prenum(is_simple(n) ? mpz{cidx(n)} : to_mpz(n)));
}
vm_obj pexpr_mk_string_macro(vm_obj const & s) {
return to_obj(from_string(to_string(s)));
}
void initialize_vm_pexpr() {
DECLARE_VM_BUILTIN(name({"pexpr", "subst"}), expr_subst);
DECLARE_VM_BUILTIN(name({"pexpr", "of_expr"}), pexpr_of_expr);
DECLARE_VM_BUILTIN(name({"pexpr", "to_string"}), pexpr_to_string);
DECLARE_VM_BUILTIN(name({"pexpr", "of_raw_expr"}), pexpr_of_raw_expr);
DECLARE_VM_BUILTIN(name({"pexpr", "to_raw_expr"}), pexpr_to_raw_expr);
DECLARE_VM_BUILTIN(name({"pexpr", "mk_placeholder"}), pexpr_mk_placeholder);
DECLARE_VM_BUILTIN(name("pexpr", "pos"), pexpr_pos);
DECLARE_VM_BUILTIN(name("pexpr", "mk_quote_macro"), pexpr_mk_quote_macro);
DECLARE_VM_BUILTIN(name("pexpr", "mk_prenum_macro"), pexpr_mk_prenum_macro);
DECLARE_VM_BUILTIN(name("pexpr", "mk_string_macro"), pexpr_mk_string_macro);
}
void finalize_vm_pexpr() {
}
}