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https://github.com/AdaCore/cvc5.git
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68fc815e03
This PR: Updates the functionality of setIncrementalStringInput / appendIncrementalStringInput to a more intuitive behavior where append does not replace the current contents of the input. Adds setStringInput to the API and updates the interactive shell to use this interface. Updates the examples Adds new unit tests
65 lines
2.0 KiB
Java
65 lines
2.0 KiB
Java
/******************************************************************************
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* Top contributors (to current version):
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* Andrew Reynolds
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*
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* This file is part of the cvc5 project.
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*
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* Copyright (c) 2009-2022 by the authors listed in the file AUTHORS
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* in the top-level source directory and their institutional affiliations.
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* All rights reserved. See the file COPYING in the top-level source
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* directory for licensing information.
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* ****************************************************************************
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*
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* A simple demonstration of using the parser via Java API.
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*/
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import io.github.cvc5.*;
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import io.github.cvc5.modes.*;
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public class Parser
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{
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public static void main(String args[]) throws CVC5ApiException
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{
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Solver slv = new Solver();
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// set that we should print success after each successful command
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slv.setOption("print-success", "true");
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// construct an input parser associated the solver above
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InputParser parser = new InputParser(slv);
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String ss = "";
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ss += "(set-logic QF_LIA)\n";
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ss += "(declare-fun a () Int)\n";
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ss += "(declare-fun b () Int)\n";
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ss += "(declare-fun c () Int)\n";
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ss += "(assert (> a (+ b c)))\n";
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ss += "(assert (< a b))\n";
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ss += "(assert (> c 0))\n";
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parser.setStringInput(InputLanguage.SMT_LIB_2_6, ss, "MyStream");
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// get the symbol manager of the parser, used when invoking commands below
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SymbolManager sm = parser.getSymbolManager();
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// parse commands until finished
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Command cmd;
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while (true)
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{
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cmd = parser.nextCommand();
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if (cmd.isNull())
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{
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break;
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}
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System.out.println("Executing command " + cmd + ":");
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// invoke the command on the solver and the symbol manager, print the result
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// to standard output
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System.out.println(cmd.invoke(slv, sm));
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}
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System.out.println("Finished parsing commands");
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// now, check sat with the solver
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Result r = slv.checkSat();
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System.out.println("expected: unsat");
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System.out.println("result: " + r);
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}
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}
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