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align semantics of re.allchar with string proposal. #1475

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-02-07 20:08:15 -08:00
parent 1ee7871bbf
commit 61934d8106
7 changed files with 67 additions and 31 deletions
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11
src/ast/seq_decl_plugin.h
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@ -56,7 +56,8 @@ enum seq_op_kind {
OP_RE_LOOP,
OP_RE_COMPLEMENT,
OP_RE_EMPTY_SET,
OP_RE_FULL_SET,
OP_RE_FULL_SEQ_SET,
OP_RE_FULL_CHAR_SET,
OP_RE_OF_PRED,
@ -77,7 +78,7 @@ enum seq_op_kind {
_OP_STRING_SUBSTR,
_OP_STRING_STRIDOF,
_OP_REGEXP_EMPTY,
_OP_REGEXP_FULL,
_OP_REGEXP_FULL_CHAR,
_OP_SEQ_SKOLEM,
_OP_RE_UNROLL,
LAST_SEQ_OP
@ -327,7 +328,8 @@ public:
app* mk_opt(expr* r) { return m.mk_app(m_fid, OP_RE_OPTION, r); }
app* mk_loop(expr* r, unsigned lo);
app* mk_loop(expr* r, unsigned lo, unsigned hi);
app* mk_full(sort* s);
app* mk_full_char(sort* s);
app* mk_full_seq(sort* s);
app* mk_empty(sort* s);
bool is_to_re(expr const* n) const { return is_app_of(n, m_fid, OP_SEQ_TO_RE); }
@ -341,7 +343,8 @@ public:
bool is_range(expr const* n) const { return is_app_of(n, m_fid, OP_RE_RANGE); }
bool is_loop(expr const* n) const { return is_app_of(n, m_fid, OP_RE_LOOP); }
bool is_empty(expr const* n) const { return is_app_of(n, m_fid, OP_RE_EMPTY_SET); }
bool is_full(expr const* n) const { return is_app_of(n, m_fid, OP_RE_FULL_SET); }
bool is_full_char(expr const* n) const { return is_app_of(n, m_fid, OP_RE_FULL_CHAR_SET); }
bool is_full_seq(expr const* n) const { return is_app_of(n, m_fid, OP_RE_FULL_SEQ_SET); }
MATCH_UNARY(is_to_re);
MATCH_BINARY(is_concat);
MATCH_BINARY(is_union);