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#!/usr/bin/env python
###############################################################################
# Top contributors (to current version):
# Daniel Larraz, Aina Niemetz, Andrew Reynolds
#
# This file is part of the cvc5 project.
#
# Copyright (c) 2009-2025 by the authors listed in the file AUTHORS
# in the top-level source directory and their institutional affiliations.
# All rights reserved. See the file COPYING in the top-level source
# directory for licensing information.
# #############################################################################
#
# A simple demonstration of using multiple parsers with the same symbol manager
# via Python API
##
import cvc5
if __name__ == "__main__":
tm = cvc5.TermManager()
slv = cvc5.Solver(tm)
sm = cvc5.SymbolManager(tm)
# construct an input parser associated the solver above
parser = cvc5.InputParser(slv, sm)
input = """
(set-logic QF_LIA)
(declare-fun a () Int)
(declare-fun b () Int)
(declare-fun c () Bool)
"""
parser.setStringInput(cvc5.InputLanguage.SMT_LIB_2_6, input, "MyInput")
# parse commands until finished
while True:
cmd = parser.nextCommand()
if cmd.isNull():
break
print(f"Executing command {cmd}")
# invoke the command on the solver and the symbol manager, print the result
print(cmd.invoke(slv, sm), end="")
print("Finished parsing commands")
# Note that sm now has a,b,c in its symbol table.
# Now, construct a new parser with the same symbol manager. We will parse
#terms with it.
parser2 = cvc5.InputParser(slv, sm)
parser2.setIncrementalStringInput(cvc5.InputLanguage.SMT_LIB_2_6, "MyInput2")
input2 = """
(+ a b)
(- a 10)
(>= 0 45)
(and c c)
true
"""
parser2.appendIncrementalStringInput(input2)
t = parser2.nextTerm()
while not t.isNull():
print(f"Parsed term: {t}")
t = parser2.nextTerm()
print("Finished parsing terms")
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