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Add basic_recognizers and array_recognizers

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-12-18 15:00:16 -08:00
parent cec328cfdc
commit 3ddb1a85f1
4 changed files with 82 additions and 8 deletions
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47
src/ast/ast.h
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@ -1289,6 +1289,53 @@ inline bool has_labels(expr const * n) {
sort * get_sort(expr const * n);
class basic_recognizers {
family_id m_fid;
public:
basic_recognizers(family_id fid):m_fid(fid) {}
bool is_bool(sort const * s) const { return is_sort_of(s, m_fid, BOOL_SORT); }
bool is_bool(expr const * n) const { return is_bool(get_sort(n)); }
bool is_or(expr const * n) const { return is_app_of(n, m_fid, OP_OR); }
bool is_implies(expr const * n) const { return is_app_of(n, m_fid, OP_IMPLIES); }
bool is_and(expr const * n) const { return is_app_of(n, m_fid, OP_AND); }
bool is_not(expr const * n) const { return is_app_of(n, m_fid, OP_NOT); }
bool is_eq(expr const * n) const { return is_app_of(n, m_fid, OP_EQ); }
bool is_oeq(expr const * n) const { return is_app_of(n, m_fid, OP_OEQ); }
bool is_distinct(expr const * n) const { return is_app_of(n, m_fid, OP_DISTINCT); }
bool is_iff(expr const * n) const { return is_app_of(n, m_fid, OP_IFF); }
bool is_xor(expr const * n) const { return is_app_of(n, m_fid, OP_XOR); }
bool is_ite(expr const * n) const { return is_app_of(n, m_fid, OP_ITE); }
bool is_term_ite(expr const * n) const { return is_ite(n) && !is_bool(n); }
bool is_true(expr const * n) const { return is_app_of(n, m_fid, OP_TRUE); }
bool is_false(expr const * n) const { return is_app_of(n, m_fid, OP_FALSE); }
bool is_complement_core(expr const * n1, expr const * n2) const {
return (is_true(n1) && is_false(n2)) || (is_not(n1) && to_app(n1)->get_arg(0) == n2);
}
bool is_complement(expr const * n1, expr const * n2) const { return is_complement_core(n1, n2) || is_complement_core(n2, n1); }
bool is_or(func_decl const * d) const { return is_decl_of(d, m_fid, OP_OR); }
bool is_implies(func_decl const * d) const { return is_decl_of(d, m_fid, OP_IMPLIES); }
bool is_and(func_decl const * d) const { return is_decl_of(d, m_fid, OP_AND); }
bool is_not(func_decl const * d) const { return is_decl_of(d, m_fid, OP_NOT); }
bool is_eq(func_decl const * d) const { return is_decl_of(d, m_fid, OP_EQ); }
bool is_iff(func_decl const * d) const { return is_decl_of(d, m_fid, OP_IFF); }
bool is_xor(func_decl const * d) const { return is_decl_of(d, m_fid, OP_XOR); }
bool is_ite(func_decl const * d) const { return is_decl_of(d, m_fid, OP_ITE); }
bool is_term_ite(func_decl const * d) const { return is_ite(d) && !is_bool(d->get_range()); }
bool is_distinct(func_decl const * d) const { return is_decl_of(d, m_fid, OP_DISTINCT); }
MATCH_UNARY(is_not);
MATCH_BINARY(is_eq);
MATCH_BINARY(is_iff);
MATCH_BINARY(is_implies);
MATCH_BINARY(is_and);
MATCH_BINARY(is_or);
MATCH_BINARY(is_xor);
MATCH_TERNARY(is_and);
MATCH_TERNARY(is_or);
bool is_ite(expr const * n, expr * & t1, expr * & t2, expr * & t3) const;
};
// -----------------------------------
//
// Get Some Value functor