Tactic Class Reference

Inheritance diagram for Tactic:

Public Member Functions
String	getHelp () throws Z3Exception
ParamDescrs	getParameterDescriptions () throws Z3Exception
ApplyResult	apply (Goal g) throws Z3Exception
ApplyResult	apply (Goal g, Params p) throws Z3Exception
Solver	getSolver () throws Z3Exception
Package Functions
	Tactic (Context ctx, long obj) throws Z3Exception
	Tactic (Context ctx, String name) throws Z3Exception
void	incRef (long o) throws Z3Exception
void	decRef (long o) throws Z3Exception

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Detailed Description

Tactics are the basic building block for creating custom solvers for specific problem domains. The complete list of tactics may be obtained using Context.NumTactics and Context.TacticNames. It may also be obtained using the command (help-tactics) in the SMT 2.0 front-end.

Definition at line 27 of file Tactic.java.

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Constructor & Destructor Documentation

Tactic	(	Context	ctx,
		long	obj
	)		throws Z3Exception [inline, package]

Definition at line 85 of file Tactic.java.

    {
        super(ctx, obj);
    }

Tactic	(	Context	ctx,
		String	name
	)		throws Z3Exception [inline, package]

Definition at line 90 of file Tactic.java.

    {
        super(ctx, Native.mkTactic(ctx.nCtx(), name));
    }

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Member Function Documentation

ApplyResult apply

(

Goal

g

)

throws Z3Exception [inline]

Execute the tactic over the goal.

Exceptions:

Z3Exception

Definition at line 51 of file Tactic.java.

Referenced by Tactic.__call__(), and Goal.simplify().

    {   
        return apply(g, null);
    }

ApplyResult apply	(	Goal	g,
		Params	p
	)		throws Z3Exception [inline]

Execute the tactic over the goal.

Exceptions:

Z3Exception

Definition at line 60 of file Tactic.java.

Referenced by Tactic.__call__().

    {
        getContext().checkContextMatch(g);
        if (p == null)
            return new ApplyResult(getContext(), Native.tacticApply(getContext()
                    .nCtx(), getNativeObject(), g.getNativeObject()));
        else
        {
            getContext().checkContextMatch(p);
            return new ApplyResult(getContext(),
                    Native.tacticApplyEx(getContext().nCtx(), getNativeObject(),
                            g.getNativeObject(), p.getNativeObject()));
        }
    }

void decRef

(

long

o

)

throws Z3Exception [inline, package]

Reimplemented from Z3Object.

Definition at line 101 of file Tactic.java.

    {
        getContext().tactic_DRQ().add(o);
        super.decRef(o);
    }

String getHelp

(

)

throws Z3Exception [inline]

A string containing a description of parameters accepted by the tactic.

Definition at line 32 of file Tactic.java.

    {
        return Native.tacticGetHelp(getContext().nCtx(), getNativeObject());
    }

ParamDescrs getParameterDescriptions

(

)

throws Z3Exception [inline]

Retrieves parameter descriptions for Tactics.

Exceptions:

Z3Exception

Definition at line 41 of file Tactic.java.

    {
        return new ParamDescrs(getContext(), Native.tacticGetParamDescrs(getContext()
                .nCtx(), getNativeObject()));
    }

Solver getSolver

(

)

throws Z3Exception [inline]

Creates a solver that is implemented using the given tactic.

See also:

Context.MkSolver(Tactic)

Exceptions:

Z3Exception

Definition at line 80 of file Tactic.java.

    {
        return getContext().mkSolver(this);
    }

void incRef

(

long

o

)

throws Z3Exception [inline, package]

Reimplemented from Z3Object.

Definition at line 95 of file Tactic.java.

    {
        getContext().tactic_DRQ().incAndClear(getContext(), o);
        super.incRef(o);
    }