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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-05-29 14:04:12 -07:00
parent c939195c10
commit f381d51c83
5 changed files with 296 additions and 282 deletions
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565
src/ast/rewriter/seq_rewriter.cpp
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8
src/ast/seq_decl_plugin.cpp
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@ -205,6 +205,14 @@ zstring& zstring::operator=(zstring const& other) {
return *this;
}
zstring zstring::reverse() const {
zstring result;
for (unsigned i = length(); i-- > 0; ) {
result.m_buffer.push_back(m_buffer[i]);
}
return result;
}
zstring zstring::replace(zstring const& src, zstring const& dst) const {
zstring result;
if (length() < src.length()) {

1
src/ast/seq_decl_plugin.h
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@ -126,6 +126,7 @@ public:
zstring(unsigned ch);
zstring& operator=(zstring const& other);
zstring replace(zstring const& src, zstring const& dst) const;
zstring reverse() const;
std::string encode() const;
unsigned length() const { return m_buffer.size(); }
unsigned operator[](unsigned i) const { return m_buffer[i]; }