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add regular expression operations to C and C++ API

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-12-09 06:11:36 +01:00
parent 4e25bffab6
commit a82b5e21fe
3 changed files with 121 additions and 15 deletions
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52
src/api/z3_api.h
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@ -1154,6 +1154,12 @@ typedef enum {
Z3_OP_RE_OPTION,
Z3_OP_RE_CONCAT,
Z3_OP_RE_UNION,
Z3_OP_RE_RANGE,
Z3_OP_RE_LOOP,
Z3_OP_RE_INTERSECT,
Z3_OP_RE_EMPTY_SET,
Z3_OP_RE_FULL_SET,
Z3_OP_RE_COMPLEMENT,
// Auxiliary
Z3_OP_LABEL = 0x700,
@ -3375,6 +3381,52 @@ extern "C" {
*/
Z3_ast Z3_API Z3_mk_re_range(Z3_context c, Z3_ast lo, Z3_ast hi);
/**
\brief Create a regular expression loop. The supplied regular expression \c r is repated
between \c lo and \c hi times. The \c lo should be below \c hi with one exection: when
supplying the value \c hi as 0, the meaning is to repeat the argument \c r at least
\c lo number of times, and with an unbounded upper bound.
def_API('Z3_mk_re_loop', AST, (_in(CONTEXT), _in(AST), _in(UINT), _in(UINT)))
*/
Z3_ast Z3_API Z3_mk_re_loop(Z3_context c, Z3_ast r, unsigned lo, unsigned hi);
/**
\brief Create the intersection of the regular languages.
\pre n > 0
def_API('Z3_mk_re_intersect' ,AST ,(_in(CONTEXT), _in(UINT), _in_array(1, AST)))
*/
Z3_ast Z3_API Z3_mk_re_intersect(Z3_context c, unsigned n, Z3_ast const args[]);
/**
\brief Create the complement of the regular language \c re.
def_API('Z3_mk_re_complement' ,AST ,(_in(CONTEXT), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_re_complement(Z3_context c, Z3_ast re);
/**
\brief Create an empty regular expression of sort \c re.
\pre re is a regular expression sort.
def_API('Z3_mk_re_empty' ,AST ,(_in(CONTEXT), _in(SORT)))
*/
Z3_ast Z3_API Z3_mk_re_empty(Z3_context c, Z3_sort re);
/**
\brief Create an universal regular expression of sort \c re.
\pre re is a regular expression sort.
def_API('Z3_mk_re_full' ,AST ,(_in(CONTEXT), _in(SORT)))
*/
Z3_ast Z3_API Z3_mk_re_full(Z3_context c, Z3_sort re);
/*@}*/