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remove symbol -> zstring -> symbol round-trips

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-05-22 13:12:49 -07:00
parent 5cb0bac41d
commit 20a67e47ca
13 changed files with 68 additions and 62 deletions
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9
src/util/zstring.h
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@ -19,21 +19,23 @@ Author:
#include <string>
#include "util/vector.h"
#include "util/buffer.h"
#include "util/rational.h"
class zstring {
private:
buffer<unsigned> m_buffer;
bool well_formed() const;
bool uses_unicode() const;
bool is_escape_char(bool from_input, char const *& s, unsigned& result);
bool is_escape_char(char const *& s, unsigned& result);
public:
static unsigned unicode_max_char() { return 196607; }
static unsigned unicode_num_bits() { return 18; }
static unsigned ascii_max_char() { return 255; }
static unsigned ascii_num_bits() { return 8; }
zstring() {}
zstring(char const* s, bool from_input);
zstring(const std::string &str) : zstring(str.c_str(), false) {}
zstring(char const* s);
zstring(const std::string &str) : zstring(str.c_str()) {}
zstring(rational const& r): zstring(r.to_string()) {}
zstring(unsigned sz, unsigned const* s) { m_buffer.append(sz, s); SASSERT(well_formed()); }
zstring(unsigned ch);
zstring replace(zstring const& src, zstring const& dst) const;
@ -51,6 +53,7 @@ public:
zstring operator+(zstring const& other) const;
bool operator==(const zstring& other) const;
bool operator!=(const zstring& other) const;
unsigned hash() const;
friend std::ostream& operator<<(std::ostream &os, const zstring &str);
friend bool operator<(const zstring& lhs, const zstring& rhs);