mirror of
https://github.com/Z3Prover/z3
synced 2025-04-28 19:35:50 +00:00
fix tabs
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner
parent
2c1d2aad44
commit
2f9fda45c3
1 changed files with 51 additions and 52 deletions
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@ -931,9 +931,9 @@ def _to_expr_ref(a, ctx):
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if sk == Z3_ROUNDING_MODE_SORT:
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return FPRMRef(a, ctx)
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if sk == Z3_SEQ_SORT:
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return SeqRef(a, ctx)
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return SeqRef(a, ctx)
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if sk == Z3_RE_SORT:
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return ReRef(a, ctx)
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return ReRef(a, ctx)
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return ExprRef(a, ctx)
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def _coerce_expr_merge(s, a):
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@ -3573,24 +3573,24 @@ def Concat(*args):
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ctx = args[0].ctx
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if is_seq(args[0]):
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if __debug__:
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_z3_assert(all([is_seq(a) for a in args]), "All arguments must be sequence expressions.")
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v = (Ast * sz)()
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if __debug__:
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_z3_assert(all([is_seq(a) for a in args]), "All arguments must be sequence expressions.")
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v = (Ast * sz)()
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for i in range(sz):
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v[i] = args[i].as_ast()
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return SeqRef(Z3_mk_seq_concat(ctx.ref(), sz, v), ctx)
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return SeqRef(Z3_mk_seq_concat(ctx.ref(), sz, v), ctx)
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if is_re(args[0]):
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if __debug__:
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_z3_assert(all([is_re(a) for a in args]), "All arguments must be regular expressions.")
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v = (Ast * sz)()
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for i in range(sz):
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v[i] = args[i].as_ast()
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return ReRef(Z3_mk_re_concat(ctx.ref(), sz, v), ctx)
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if __debug__:
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_z3_assert(all([is_re(a) for a in args]), "All arguments must be regular expressions.")
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v = (Ast * sz)()
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for i in range(sz):
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v[i] = args[i].as_ast()
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return ReRef(Z3_mk_re_concat(ctx.ref(), sz, v), ctx)
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if __debug__:
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_z3_assert(all([is_bv(a) for a in args]), "All arguments must be Z3 bit-vector expressions.")
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r = args[0]
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r = args[0]
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for i in range(sz - 1):
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r = BitVecRef(Z3_mk_concat(ctx.ref(), r.as_ast(), args[i+1].as_ast()), ctx)
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return r
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@ -3607,14 +3607,14 @@ def Extract(high, low, a):
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"c"
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"""
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if isinstance(high, str):
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high = StringVal(high)
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high = StringVal(high)
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if is_seq(high):
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s = high
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offset = _py2expr(low, high.ctx)
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length = _py2expr(a, high.ctx)
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if __debug__:
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_z3_assert(is_int(offset) and is_int(length), "Second and third arguments must be integers")
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s = high
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offset = _py2expr(low, high.ctx)
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length = _py2expr(a, high.ctx)
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if __debug__:
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_z3_assert(is_int(offset) and is_int(length), "Second and third arguments must be integers")
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return SeqRef(Z3_mk_seq_extract(s.ctx_ref(), s.as_ast(), offset.as_ast(), length.as_ast()), s.ctx)
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if __debug__:
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_z3_assert(low <= high, "First argument must be greater than or equal to second argument")
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@ -8951,15 +8951,15 @@ class SeqSortRef(SortRef):
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"""Sequence sort."""
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def is_string(self):
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"""Determine if sort is a string
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>>> s = StringSort()
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>>> s.is_string()
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True
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>>> s = SeqSort(IntSort())
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>>> s.is_string()
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False
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"""
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return Z3_is_string_sort(self.ctx_ref(), self.ast)
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"""Determine if sort is a string
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>>> s = StringSort()
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>>> s.is_string()
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True
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>>> s = SeqSort(IntSort())
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>>> s.is_string()
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False
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"""
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return Z3_is_string_sort(self.ctx_ref(), self.ast)
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def StringSort(ctx=None):
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"""Create a string sort
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@ -8983,19 +8983,19 @@ class SeqRef(ExprRef):
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"""Sequence expression."""
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def sort(self):
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return SeqSortRef(Z3_get_sort(self.ctx_ref(), self.as_ast()), self.ctx)
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return SeqSortRef(Z3_get_sort(self.ctx_ref(), self.as_ast()), self.ctx)
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def __add__(self, other):
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return Concat(self, other)
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return Concat(self, other)
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def __getitem__(self, i):
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return SeqRef(Z3_mk_seq_at(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
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return SeqRef(Z3_mk_seq_at(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
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def is_string(self):
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return Z3_is_string_sort(self.ctx_ref(), Z3_get_sort(self.ctx_ref(), self.as_ast()))
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return Z3_is_string_sort(self.ctx_ref(), Z3_get_sort(self.ctx_ref(), self.as_ast()))
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def is_string_value(self):
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return Z3_is_string(self.ctx_ref(), self.as_ast())
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return Z3_is_string(self.ctx_ref(), self.as_ast())
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def as_string(self):
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"""Return a string representation of sequence expression."""
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@ -9004,17 +9004,17 @@ class SeqRef(ExprRef):
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def _coerce_seq(s, ctx=None):
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if isinstance(s, str):
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ctx = _get_ctx(ctx)
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s = StringVal(s, ctx)
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ctx = _get_ctx(ctx)
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s = StringVal(s, ctx)
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return s
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def _get_ctx2(a, b, ctx=None):
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if is_expr(a):
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return a.ctx
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return a.ctx
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if is_expr(b):
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return b.ctx
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return b.ctx
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if ctx is None:
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ctx = main_ctx()
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ctx = main_ctx()
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return ctx
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def is_seq(a):
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@ -9136,7 +9136,7 @@ def Replace(s, src, dst):
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"""
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ctx = _get_ctx2(dst, s)
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if ctx is None and is_expr(src):
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ctx = src.ctx
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ctx = src.ctx
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src = _coerce_seq(src, ctx)
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dst = _coerce_seq(dst, ctx)
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s = _coerce_seq(s, ctx)
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@ -9154,12 +9154,12 @@ def IndexOf(s, substr, offset):
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"""
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ctx = None
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if is_expr(offset):
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ctx = offset.ctx
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ctx = offset.ctx
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ctx = _get_ctx2(s, substr, ctx)
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s = _coerce_seq(s, ctx)
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substr = _coerce_seq(substr, ctx)
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if isinstance(offset, int):
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offset = IntVal(offset, ctx)
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offset = IntVal(offset, ctx)
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return SeqRef(Z3_mk_seq_index(s.ctx_ref(), s.as_ast(), substr.as_ast(), offset.as_ast()), s.ctx)
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def Length(s):
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@ -9191,10 +9191,10 @@ class ReSortRef(SortRef):
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def ReSort(s):
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if is_ast(s):
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return ReSortRef(Z3_mk_re_sort(s.ctx.ref(), s.as_ast()), ctx)
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return ReSortRef(Z3_mk_re_sort(s.ctx.ref(), s.as_ast()), ctx)
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if s is None or isinstance(s, Context):
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ctx = _get_ctx(s)
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return ReSortRef(Z3_mk_re_sort(ctx.ref(), Z3_mk_string_sort(ctx.ref())), ctx)
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ctx = _get_ctx(s)
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return ReSortRef(Z3_mk_re_sort(ctx.ref(), Z3_mk_string_sort(ctx.ref())), ctx)
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raise Z3Exception("Regular expression sort constructor expects either a string or a context or no argument")
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@ -9202,7 +9202,7 @@ class ReRef(ExprRef):
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"""Regular expressions."""
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def __add__(self, other):
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return Union(self, other)
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return Union(self, other)
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def is_re(s):
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@ -9232,13 +9232,12 @@ def Union(*args):
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sz = len(args)
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if __debug__:
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_z3_assert(sz >= 2, "At least two arguments expected.")
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_z3_assert(all([is_re(a) for a in args]), "All arguments must be regular expressions.")
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_z3_assert(all([is_re(a) for a in args]), "All arguments must be regular expressions.")
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ctx = args[0].ctx
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v = (Ast * sz)()
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for i in range(sz):
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v[i] = args[i].as_ast()
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v[i] = args[i].as_ast()
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return ReRef(Z3_mk_re_union(ctx.ref(), sz, v), ctx)
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def Plus(re):
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"""Create the regular expression accepting one or more repetitions of argument.
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