mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-27 10:55:50 +00:00
Code Activity

fix error messaging for parsers

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-11-28 11:14:00 -08:00
parent 89971e2a98
commit 92b4b9e7a7
5 changed files with 67 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

38
src/api/python/z3/z3.py
View file

@ -6668,11 +6668,17 @@ class Fixedpoint(Z3PPObject):
def parse_string(self, s):
"""Parse rules and queries from a string"""
return AstVector(Z3_fixedpoint_from_string(self.ctx.ref(), self.fixedpoint, s), self.ctx)
try:
return AstVector(Z3_fixedpoint_from_string(self.ctx.ref(), self.fixedpoint, s), self.ctx)
except Z3Exception as e:
_handle_parse_error(e, self.ctx)
def parse_file(self, f):
"""Parse rules and queries from a file"""
return AstVector(Z3_fixedpoint_from_file(self.ctx.ref(), self.fixedpoint, f), self.ctx)
try:
return AstVector(Z3_fixedpoint_from_file(self.ctx.ref(), self.fixedpoint, f), self.ctx)
except Z3Exception as e:
_handle_parse_error(e, self.ctx)
def get_rules(self):
"""retrieve rules that have been added to fixedpoint context"""
@ -6995,15 +7001,21 @@ class Optimize(Z3PPObject):
def upper_values(self, obj):
if not isinstance(obj, OptimizeObjective):
raise Z3Exception("Expecting objective handle returned by maximize/minimize")
return obj.upper_values()
return obj.upper_values()
def from_file(self, filename):
"""Parse assertions and objectives from a file"""
Z3_optimize_from_file(self.ctx.ref(), self.optimize, filename)
try:
Z3_optimize_from_file(self.ctx.ref(), self.optimize, filename)
except Z3Exception as e:
_handle_parse_error(e, self.ctx)
def from_string(self, s):
"""Parse assertions and objectives from a string"""
Z3_optimize_from_string(self.ctx.ref(), self.optimize, s)
try:
Z3_optimize_from_string(self.ctx.ref(), self.optimize, s)
except Z3Exception as e:
_handle_parse_error(e, self.ctx)
def assertions(self):
"""Return an AST vector containing all added constraints."""
@ -8071,6 +8083,12 @@ def _dict2darray(decls, ctx):
i = i + 1
return sz, _names, _decls
def _handle_parse_error(ex, ctx):
msg = Z3_get_parser_error(ctx.ref())
if msg != "":
raise Z3Exception(msg)
raise ex
def parse_smt2_string(s, sorts={}, decls={}, ctx=None):
"""Parse a string in SMT 2.0 format using the given sorts and decls.
@ -8089,7 +8107,10 @@ def parse_smt2_string(s, sorts={}, decls={}, ctx=None):
ctx = _get_ctx(ctx)
ssz, snames, ssorts = _dict2sarray(sorts, ctx)
dsz, dnames, ddecls = _dict2darray(decls, ctx)
return _to_expr_ref(Z3_parse_smtlib2_string(ctx.ref(), s, ssz, snames, ssorts, dsz, dnames, ddecls), ctx)
try:
return _to_expr_ref(Z3_parse_smtlib2_string(ctx.ref(), s, ssz, snames, ssorts, dsz, dnames, ddecls), ctx)
except Z3Exception as e:
_handle_parse_error(e, ctx)
def parse_smt2_file(f, sorts={}, decls={}, ctx=None):
"""Parse a file in SMT 2.0 format using the given sorts and decls.
@ -8099,7 +8120,10 @@ def parse_smt2_file(f, sorts={}, decls={}, ctx=None):
ctx = _get_ctx(ctx)
ssz, snames, ssorts = _dict2sarray(sorts, ctx)
dsz, dnames, ddecls = _dict2darray(decls, ctx)
return _to_expr_ref(Z3_parse_smtlib2_file(ctx.ref(), f, ssz, snames, ssorts, dsz, dnames, ddecls), ctx)
try:
return _to_expr_ref(Z3_parse_smtlib2_file(ctx.ref(), f, ssz, snames, ssorts, dsz, dnames, ddecls), ctx)
except Z3Exception as e:
_handle_parse_error(e, ctx)
def Interpolant(a,ctx=None):
"""Create an interpolation operator.