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more rewrites

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-06 10:44:19 -08:00
parent 4fe0e07080
commit 40e9e4c7f8
4 changed files with 98 additions and 12 deletions
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5
src/ast/seq_decl_plugin.h
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@ -181,6 +181,9 @@ public:
bool is_const(expr const* n, std::string& s) const {
return is_const(n) && (s = to_app(n)->get_decl()->get_parameter(0).get_symbol().str(), true);
}
bool is_const(expr const* n, symbol& s) const {
return is_const(n) && (s = to_app(n)->get_decl()->get_parameter(0).get_symbol(), true);
}
bool is_string(sort* s) const { return is_sort_of(s, m_fid, STRING_SORT); }
bool is_concat(expr const* n) const { return is_app_of(n, m_fid, OP_STRING_CONCAT); }
@ -209,6 +212,8 @@ public:
MATCH_UNARY(is_itos);
MATCH_UNARY(is_stoi);
MATCH_BINARY(is_in_regexp);
void get_concat(expr* e, ptr_vector<expr>& es) const;
};
class re {