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seq API

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-01-02 22:52:28 -08:00
parent 5e553a4dc1
commit e10ecad5dc
14 changed files with 745 additions and 44 deletions
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9
src/ast/seq_decl_plugin.h
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@ -215,14 +215,13 @@ public:
str(seq_util& u): u(u), m(u.m), m_fid(u.m_fid) {}
sort* mk_seq(sort* s) { parameter param(s); return m.mk_sort(m_fid, SEQ_SORT, 1, &param); }
sort* mk_string_sort() { return m.mk_sort(m_fid, _STRING_SORT, 0, 0); }
app* mk_empty(sort* s) { return m.mk_const(m.mk_func_decl(m_fid, OP_SEQ_EMPTY, 0, 0, 0, (expr*const*)0, s)); }
app* mk_string(zstring const& s);
app* mk_string(symbol const& s) { return u.seq.mk_string(s); }
app* mk_char(char ch);
app* mk_concat(expr* a, expr* b) { expr* es[2] = { a, b }; return m.mk_app(m_fid, OP_SEQ_CONCAT, 2, es); }
app* mk_concat(expr* a, expr* b, expr* c) {
return mk_concat(a, mk_concat(b, c));
}
app* mk_concat(expr* a, expr* b, expr* c) { return mk_concat(a, mk_concat(b, c)); }
expr* mk_concat(unsigned n, expr* const* es) { if (n == 1) return es[0]; SASSERT(n > 1); return m.mk_app(m_fid, OP_SEQ_CONCAT, n, es); }
app* mk_length(expr* a) { return m.mk_app(m_fid, OP_SEQ_LENGTH, 1, &a); }
app* mk_substr(expr* a, expr* b, expr* c) { expr* es[3] = { a, b, c }; return m.mk_app(m_fid, OP_SEQ_EXTRACT, 3, es); }
@ -233,8 +232,6 @@ public:
app* mk_unit(expr* u) { return m.mk_app(m_fid, OP_SEQ_UNIT, 1, &u); }
app* mk_char(zstring const& s, unsigned idx);
bool is_string(expr const * n) const { return is_app_of(n, m_fid, OP_STRING_CONST); }
bool is_string(expr const* n, symbol& s) const {
@ -287,6 +284,8 @@ public:
public:
re(seq_util& u): m(u.m), m_fid(u.m_fid) {}
sort* mk_re(sort* seq) { parameter param(seq); return m.mk_sort(m_fid, RE_SORT, 1, &param); }
app* mk_to_re(expr* s) { return m.mk_app(m_fid, OP_SEQ_TO_RE, 1, &s); }
app* mk_in_re(expr* s, expr* r) { return m.mk_app(m_fid, OP_SEQ_IN_RE, s, r); }
app* mk_concat(expr* r1, expr* r2) { return m.mk_app(m_fid, OP_RE_CONCAT, r1, r2); }