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Use AST factory methods in BackendZ3._abstract_internal #563

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Nov 4, 2024
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Use AST factory methods in BackendZ3._abstract_internal #563

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17 changes: 3 additions & 14 deletions claripy/backends/backend_z3.py
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Original file line number Diff line number Diff line change
Expand Up @@ -474,25 +474,14 @@ def _abstract_internal(self, ctx, ast, split_on=None):
if symbol_ty == z3.Z3_BV_SORT:
bv_size = z3.Z3_get_bv_sort_size(ctx, z3_sort)
annots = self.bvs_annotations.get(symbol_name, ())

return BV(
"BVS",
(symbol_str, bv_size),
length=bv_size,
variables=frozenset((symbol_str,)),
symbolic=True,
encoded_name=symbol_name,
annotations=annots,
)
return claripy.BVS(symbol_str, bv_size, explicit_name=True, annotations=annots)
if symbol_ty == z3.Z3_BOOL_SORT:
return Bool("BoolS", (symbol_str,), variables=frozenset((symbol_str,)), symbolic=True)
return claripy.BoolS(symbol_str, explicit_name=True)
if symbol_ty == z3.Z3_FLOATING_POINT_SORT:
ebits = z3.Z3_fpa_get_ebits(ctx, z3_sort)
sbits = z3.Z3_fpa_get_sbits(ctx, z3_sort)
sort = FSort.from_params(ebits, sbits)
return FP(
"FPS", (symbol_str, sort), variables=frozenset((symbol_str,)), symbolic=True, length=sort.length
)
return claripy.FPS(symbol_str, sort, explicit_name=True)
if z3.Z3_is_string_sort(ctx, z3_sort):
raise BackendError("Z3 backend does not support string symbols")
raise BackendError("Unknown z3 term type %d...?" % symbol_ty)
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