41 lines
1 KiB
C++
41 lines
1 KiB
C++
/*
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Copyright (c) 2016 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 "kernel/instantiate.h"
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#include "library/vm/vm.h"
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#include "library/vm/vm_expr.h"
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namespace lean {
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vm_obj qexpr_subst(vm_obj const & _e1, vm_obj const & _e2) {
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expr const & e1 = to_expr(_e1);
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expr const & e2 = to_expr(_e2);
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if (is_lambda(e1)) {
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return to_obj(instantiate(binding_body(e1), e2));
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} else {
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return to_obj(e1);
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}
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}
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vm_obj qexpr_of_expr(vm_obj const & e) {
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// TODO(Leo): use "as_is" macro
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return e;
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}
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vm_obj expr_to_string(vm_obj const &);
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vm_obj qexpr_to_string(vm_obj const & e) {
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return expr_to_string(e);
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}
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void initialize_vm_qexpr() {
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DECLARE_VM_BUILTIN(name({"qexpr", "subst"}), qexpr_subst);
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DECLARE_VM_BUILTIN(name({"qexpr", "of_expr"}), qexpr_of_expr);
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DECLARE_VM_BUILTIN(name({"qexpr", "to_string"}), qexpr_to_string);
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}
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void finalize_vm_qexpr() {
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}
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}
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