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seq

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-23 11:02:34 -08:00
parent 7a9bd72e2e
commit 386399472d
5 changed files with 160 additions and 65 deletions
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17
src/ast/seq_decl_plugin.cpp
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@ -42,7 +42,7 @@ zstring::zstring(unsigned num_bits, bool const* ch) {
m_encoding = (num_bits == 8)?ascii:unicode;
unsigned n = 0;
for (unsigned i = 0; i < num_bits; ++i) {
n |= (((unsigned)ch[i]) << num_bits);
n |= (((unsigned)ch[i]) << i);
}
m_buffer.push_back(n);
}
@ -81,12 +81,23 @@ zstring zstring::replace(zstring const& src, zstring const& dst) const {
return result;
}
static char* esc_table[32] = { "\\0", "^A", "^B", "^C", "^D", "^E", "^F", "\\a", "\\b", "\\t", "\\n", "\\v", "\\f", "\\r", "^N",
"^O", "^P", "^Q", "^R", "^S", "^T", "^U", "^V","^W","^X","^Y","^Z","\\e","^\\","^]","^^","^_"};
std::string zstring::encode() const {
// TBD apply encodings.
SASSERT(m_encoding == ascii);
std::ostringstream strm;
for (unsigned i = 0; i < m_buffer.size(); ++i) {
strm << (char)(m_buffer[i]);
unsigned char ch = m_buffer[i];
if (0 <= ch && ch < 32) {
strm << esc_table[ch];
}
else if (ch == 127) {
strm << "^?";
}
else {
strm << (char)(ch);
}
}
return strm.str();
}