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move to abstract symbols

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-01-10 12:14:13 -08:00
parent 78a1736bd2
commit 541658fe02
16 changed files with 117 additions and 93 deletions
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16
src/util/symbol.h
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@ -16,6 +16,9 @@ Author:
Revision History:
--*/
#if 0
// include "util/new_symbol.h"
#else
#ifndef SYMBOL_H_
#define SYMBOL_H_
#include<ostream>
@ -66,6 +69,7 @@ public:
friend bool operator==(symbol const & s1, symbol const & s2) { return s1.m_data == s2.m_data; }
friend bool operator!=(symbol const & s1, symbol const & s2) { return s1.m_data != s2.m_data; }
bool is_numerical() const { return GET_TAG(m_data) == 1; }
bool is_null() const { return m_data == nullptr; }
unsigned int get_num() const { SASSERT(is_numerical()); return UNBOXINT(m_data); }
std::string str() const;
friend bool operator==(symbol const & s1, char const * s2) {
@ -78,11 +82,10 @@ public:
return s1.str() == s2;
}
friend bool operator!=(symbol const & s1, char const * s2) { return !operator==(s1, s2); }
void const * c_ptr() const { return m_data; }
// Low level function.
// It is the inverse of c_ptr().
// It was made public to simplify the implementation of the C API.
static symbol mk_symbol_from_c_ptr(void const * ptr) {
// C-API only functions
void * c_api_symbol2ext() const { return const_cast<char*>(m_data); }
static symbol c_api_ext2symbol(void const * ptr) {
return symbol(ptr);
}
unsigned hash() const {
@ -91,7 +94,7 @@ public:
else return static_cast<unsigned>(reinterpret_cast<size_t const *>(m_data)[-1]);
}
bool contains(char c) const;
unsigned size() const;
unsigned display_size() const;
char const * bare_str() const { SASSERT(!is_numerical()); return m_data; }
friend std::ostream & operator<<(std::ostream & target, symbol s) {
SASSERT(!s.is_marked());
@ -153,3 +156,4 @@ bool lt(symbol const & s1, symbol const & s2);
#endif /* SYMBOL_H_ */
#endif