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shorthands in enode to access args and partents

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-04-06 14:01:09 -07:00
parent be4edddd2b
commit 3b78bdc8e5
2 changed files with 23 additions and 1 deletions
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5
examples/c++/example.cpp
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@ -927,7 +927,10 @@ void tuple_example() {
sort sorts[2] = { ctx.int_sort(), ctx.bool_sort() }; sort sorts[2] = { ctx.int_sort(), ctx.bool_sort() };
func_decl_vector projs(ctx); func_decl_vector projs(ctx);
func_decl pair = ctx.tuple_sort("pair", 2, names, sorts, projs); func_decl pair = ctx.tuple_sort("pair", 2, names, sorts, projs);
std::cout << pair << "\n"; sorts[1] = pair.range();
func_decl pair2 = ctx.tuple_sort("pair2", 2, names, sorts, projs);
std::cout << pair2 << "\n";
} }
void expr_vector_example() { void expr_vector_example() {

19
src/smt/smt_enode.h
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@ -216,6 +216,15 @@ namespace smt {
return m_args; return m_args;
} }
class args {
enode const& n;
public:
args(enode const& n):n(n) {}
args(enode const* n):n(*n) {}
enode_vector::const_iterator begin() const { return n.get_args(); }
enode_vector::const_iterator end() const { return n.get_args() + n.get_num_args(); }
};
// unsigned get_id() const { // unsigned get_id() const {
// return m_id; // return m_id;
// } // }
@ -285,6 +294,16 @@ namespace smt {
return m_commutative; return m_commutative;
} }
class parents {
enode const& n;
public:
parents(enode const& _n):n(_n) {}
parents(enode const* _n):n(*_n) {}
enode_vector::const_iterator begin() const { return n.begin_parents(); }
enode_vector::const_iterator end() const { return n.end_parents(); }
};
unsigned get_num_parents() const { unsigned get_num_parents() const {
return m_parents.size(); return m_parents.size();
} }