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streamline unicode/ascii toggling. Fix bit-width for unicode to 18

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This commit is contained in:
Nikolaj Bjorner 2021-01-23 11:11:44 -08:00
parent 90eb4de526
commit 03fd251ccb
6 changed files with 36 additions and 22 deletions
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11
src/ast/seq_decl_plugin.h
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@ -118,8 +118,10 @@ private:
bool uses_unicode() const;
bool is_escape_char(char const *& s, unsigned& result);
public:
static unsigned max_char() { return 196607; }
static unsigned num_bits() { return 16; }
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);
zstring(const std::string &str) : zstring(str.c_str()) {}
@ -225,6 +227,9 @@ public:
bool is_char(ast* a) const { return a == m_char; }
unsigned max_char() const { return m_unicode ? zstring::unicode_max_char() : zstring::ascii_max_char(); }
unsigned num_bits() const { return m_unicode ? zstring::unicode_num_bits() : zstring::ascii_num_bits(); }
app* mk_string(symbol const& s);
app* mk_string(zstring const& s);
app* mk_char(unsigned ch);
@ -266,6 +271,8 @@ public:
app* mk_char(unsigned ch) const;
app* mk_le(expr* ch1, expr* ch2) const;
app* mk_lt(expr* ch1, expr* ch2) const;
unsigned max_char() const { return seq.max_char(); }
unsigned num_bits() const { return seq.num_bits(); }
app* mk_skolem(symbol const& name, unsigned n, expr* const* args, sort* range);
bool is_skolem(expr const* e) const { return is_app_of(e, m_fid, _OP_SEQ_SKOLEM); }