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make it easier to use string literals

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This commit is contained in:
Nikolaj Bjorner 2021-01-26 11:01:03 -08:00
parent 31b7ad3012
commit 7dd7d83a36
2 changed files with 13 additions and 1 deletions
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10
src/api/python/z3/z3.py
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@ -1100,6 +1100,10 @@ def _coerce_expr_merge(s, a):
if z3_debug():
_z3_assert(s1.ctx == s.ctx, "context mismatch")
_z3_assert(False, "sort mismatch")
elif s:
return s
elif isinstance(a, str):
return StringSort()
else:
return s
@ -1107,6 +1111,10 @@ def _coerce_exprs(a, b, ctx=None):
if not is_expr(a) and not is_expr(b):
a = _py2expr(a, ctx)
b = _py2expr(b, ctx)
if isinstance(a, str):
a = StringVal(a, ctx)
if isinstance(b, str):
b = StringVal(b, ctx)
s = None
s = _coerce_expr_merge(s, a)
s = _coerce_expr_merge(s, b)
@ -2934,6 +2942,8 @@ def _py2expr(a, ctx=None):
return IntVal(a, ctx)
if isinstance(a, float):
return RealVal(a, ctx)
if isinstance(a, str):
return StringVal(a, ctx)
if is_expr(a):
return a
if z3_debug():