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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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Leonardo de Moura 2012-10-02 11:35:25 -07:00
parent 3f9edad676
commit e9eab22e5c
1186 changed files with 381859 additions and 0 deletions
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lib/sexpr.h Normal file
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/*++
Copyright (c) 2011 Microsoft Corporation
Module Name:
sexpr.h
Abstract:
Generic sexpr
Author:
Leonardo (leonardo) 2011-07-28
Notes:
--*/
#ifndef _SEXPR_H_
#define _SEXPR_H_
#include"rational.h"
#include"symbol.h"
#include"obj_ref.h"
#include"ref_vector.h"
class sexpr_manager;
class sexpr {
public:
enum kind_t {
COMPOSITE, NUMERAL, BV_NUMERAL, STRING, KEYWORD, SYMBOL
};
protected:
kind_t m_kind;
unsigned m_ref_count;
unsigned m_line;
unsigned m_pos;
sexpr(kind_t k, unsigned line, unsigned pos);
void display_atom(std::ostream & out) const;
friend class sexpr_manager;
public:
void inc_ref() { m_ref_count++; }
unsigned get_ref_count() const { return m_ref_count; }
unsigned get_line() const { return m_line; }
unsigned get_pos() const { return m_pos; }
kind_t get_kind() const { return m_kind; }
bool is_composite() const { return get_kind() == COMPOSITE; }
bool is_numeral() const { return get_kind() == NUMERAL; }
bool is_bv_numeral() const { return get_kind() == BV_NUMERAL; }
bool is_string() const { return get_kind() == STRING; }
bool is_keyword() const { return get_kind() == KEYWORD; }
bool is_symbol() const { return get_kind() == SYMBOL; }
rational const & get_numeral() const;
unsigned get_bv_size() const;
symbol get_symbol() const;
std::string const & get_string() const;
unsigned get_num_children() const;
sexpr * get_child(unsigned idx) const;
sexpr * const * get_children() const;
void display(std::ostream & out) const;
};
class sexpr_manager {
small_object_allocator m_allocator;
ptr_vector<sexpr> m_to_delete;
void del(sexpr * n);
public:
sexpr_manager();
sexpr * mk_composite(unsigned num_children, sexpr * const * children, unsigned line = UINT_MAX, unsigned pos = UINT_MAX);
sexpr * mk_numeral(rational const & val, unsigned line = UINT_MAX, unsigned pos = UINT_MAX);
sexpr * mk_bv_numeral(rational const & val, unsigned bv_size, unsigned line = UINT_MAX, unsigned pos = UINT_MAX);
sexpr * mk_string(std::string const & val, unsigned line = UINT_MAX, unsigned pos = UINT_MAX);
sexpr * mk_string(char const * val, unsigned line = UINT_MAX, unsigned pos = UINT_MAX);
sexpr * mk_keyword(symbol const & val, unsigned line = UINT_MAX, unsigned pos = UINT_MAX);
sexpr * mk_symbol(symbol const & val, unsigned line = UINT_MAX, unsigned pos = UINT_MAX);
void inc_ref(sexpr * n) { n->inc_ref(); }
void dec_ref(sexpr * n) { SASSERT(n->m_ref_count > 0); n->m_ref_count--; if (n->m_ref_count == 0) del(n); }
};
typedef obj_ref<sexpr, sexpr_manager> sexpr_ref;
typedef ref_vector<sexpr, sexpr_manager> sexpr_ref_vector;
#endif