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Java bindings with no finalizers

Browse source 
Replacing finalizers with PhantomReferences, required quite a lot of
changes to the codebase.
This commit is contained in:
George Karpenkov 2016-06-12 14:18:13 +02:00
parent dfc80d3b69
commit 495ef0f055
48 changed files with 368 additions and 939 deletions
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25
src/api/java/AST.java
View file

@ -187,34 +187,15 @@ public class AST extends Z3Object implements Comparable<AST>
return Native.astToString(getContext().nCtx(), getNativeObject());
}
AST(Context ctx)
{
super(ctx);
}
AST(Context ctx, long obj)
{
AST(Context ctx, long obj) {
super(ctx, obj);
}
@Override
void incRef(long o)
{
// Console.WriteLine("AST IncRef()");
if (getContext() == null || o == 0)
return;
getContext().getASTDRQ().incAndClear(getContext(), o);
super.incRef(o);
}
@Override
void decRef(long o)
{
// Console.WriteLine("AST DecRef()");
if (getContext() == null || o == 0)
return;
getContext().getASTDRQ().add(o);
super.decRef(o);
Native.incRef(getContext().nCtx(), o);
getContext().getASTDRQ().storeReference(getContext(), this);
}
static AST create(Context ctx, long obj)

25
src/api/java/ASTDecRefQueue.java
View file

@ -17,7 +17,7 @@ Notes:
package com.microsoft.z3;
class ASTDecRefQueue extends IDecRefQueue
class ASTDecRefQueue extends IDecRefQueue<AST>
{
public ASTDecRefQueue()
{
@ -30,26 +30,7 @@ class ASTDecRefQueue extends IDecRefQueue
}
@Override
protected void incRef(Context ctx, long obj)
{
try
{
Native.incRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
@Override
protected void decRef(Context ctx, long obj)
{
try
{
Native.decRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
protected void decRef(Context ctx, long obj) {
Native.decRef(ctx.nCtx(), obj);
}
};

11
src/api/java/ASTMap.java
View file

@ -120,14 +120,7 @@ class ASTMap extends Z3Object
@Override
void incRef(long o)
{
getContext().getASTMapDRQ().incAndClear(getContext(), o);
super.incRef(o);
}
@Override
void decRef(long o)
{
getContext().getASTMapDRQ().add(o);
super.decRef(o);
Native.astMapIncRef(getContext().nCtx(), o);
getContext().getASTMapDRQ().storeReference(getContext(), this);
}
}

11
src/api/java/ASTVector.java
View file

@ -105,17 +105,10 @@ public class ASTVector extends Z3Object
@Override
void incRef(long o)
{
getContext().getASTVectorDRQ().incAndClear(getContext(), o);
super.incRef(o);
Native.astVectorIncRef(getContext().nCtx(), o);
getContext().getASTVectorDRQ().storeReference(getContext(), this);
}
@Override
void decRef(long o)
{
getContext().getASTVectorDRQ().add(o);
super.decRef(o);
}
/**
* Translates the AST vector into an AST[]
* */

14
src/api/java/ApplyResult.java
View file

@ -74,16 +74,8 @@ public class ApplyResult extends Z3Object
}
@Override
void incRef(long o)
{
getContext().getApplyResultDRQ().incAndClear(getContext(), o);
super.incRef(o);
}
@Override
void decRef(long o)
{
getContext().getApplyResultDRQ().add(o);
super.decRef(o);
void incRef(long o) {
Native.applyResultIncRef(getContext().nCtx(), o);
getContext().getApplyResultDRQ().storeReference(getContext(), this);
}
}

25
src/api/java/ApplyResultDecRefQueue.java
View file

@ -17,7 +17,7 @@ Notes:
package com.microsoft.z3;
class ApplyResultDecRefQueue extends IDecRefQueue
class ApplyResultDecRefQueue extends IDecRefQueue<ApplyResult>
{
public ApplyResultDecRefQueue()
{
@ -30,26 +30,7 @@ class ApplyResultDecRefQueue extends IDecRefQueue
}
@Override
protected void incRef(Context ctx, long obj)
{
try
{
Native.applyResultIncRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
@Override
protected void decRef(Context ctx, long obj)
{
try
{
Native.applyResultDecRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
protected void decRef(Context ctx, long obj) {
Native.applyResultDecRef(ctx.nCtx(), obj);
}
};

25
src/api/java/AstMapDecRefQueue.java
View file

@ -17,7 +17,7 @@ Notes:
package com.microsoft.z3;
class ASTMapDecRefQueue extends IDecRefQueue
class ASTMapDecRefQueue extends IDecRefQueue<ASTMap>
{
public ASTMapDecRefQueue()
{
@ -30,26 +30,7 @@ class ASTMapDecRefQueue extends IDecRefQueue
}
@Override
protected void incRef(Context ctx, long obj)
{
try
{
Native.astMapIncRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
@Override
protected void decRef(Context ctx, long obj)
{
try
{
Native.astMapDecRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
protected void decRef(Context ctx, long obj) {
Native.astMapDecRef(ctx.nCtx(), obj);
}
};

25
src/api/java/AstVectorDecRefQueue.java
View file

@ -17,7 +17,7 @@ Notes:
package com.microsoft.z3;
class ASTVectorDecRefQueue extends IDecRefQueue
class ASTVectorDecRefQueue extends IDecRefQueue<ASTVector>
{
public ASTVectorDecRefQueue()
{
@ -30,26 +30,7 @@ class ASTVectorDecRefQueue extends IDecRefQueue
}
@Override
protected void incRef(Context ctx, long obj)
{
try
{
Native.astVectorIncRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
@Override
protected void decRef(Context ctx, long obj)
{
try
{
Native.astVectorDecRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
protected void decRef(Context ctx, long obj) {
Native.astVectorDecRef(ctx.nCtx(), obj);
}
};

10
src/api/java/BoolExpr.java
View file

@ -20,15 +20,7 @@ package com.microsoft.z3;
/**
* Boolean expressions
**/
public class BoolExpr extends Expr
{
/**
* Constructor for BoolExpr
**/
protected BoolExpr(Context ctx)
{
super(ctx);
}
public class BoolExpr extends Expr {
/**
* Constructor for BoolExpr

44
src/api/java/Constructor.java
View file

@ -20,8 +20,14 @@ package com.microsoft.z3;
/**
* Constructors are used for datatype sorts.
**/
public class Constructor extends Z3Object
{
public class Constructor extends Z3Object {
private final int n;
Constructor(Context ctx, int n, long nativeObj) {
super(ctx, nativeObj);
this.n = n;
}
/**
* The number of fields of the constructor.
* @throws Z3Exception
@ -78,29 +84,16 @@ public class Constructor extends Z3Object
return t;
}
/**
* Destructor.
* @throws Throwable
* @throws Z3Exception on error
**/
protected void finalize() throws Throwable
{
try {
Native.delConstructor(getContext().nCtx(), getNativeObject());
} finally {
super.finalize();
}
@Override
void incRef(long o) {
// Datatype constructors are not reference counted.
getContext().getConstructorDRQ().storeReference(getContext(), this);
}
private int n = 0;
Constructor(Context ctx, Symbol name, Symbol recognizer,
Symbol[] fieldNames, Sort[] sorts, int[] sortRefs)
{
super(ctx);
n = AST.arrayLength(fieldNames);
static Constructor of(Context ctx, Symbol name, Symbol recognizer,
Symbol[] fieldNames, Sort[] sorts, int[] sortRefs) {
int n = AST.arrayLength(fieldNames);
if (n != AST.arrayLength(sorts))
throw new Z3Exception(
@ -112,9 +105,10 @@ public class Constructor extends Z3Object
if (sortRefs == null)
sortRefs = new int[n];
setNativeObject(Native.mkConstructor(ctx.nCtx(), name.getNativeObject(),
long nativeObj = Native.mkConstructor(ctx.nCtx(), name.getNativeObject(),
recognizer.getNativeObject(), n, Symbol.arrayToNative(fieldNames),
Sort.arrayToNative(sorts), sortRefs));
Sort.arrayToNative(sorts), sortRefs);
return new Constructor(ctx, n, nativeObj);
}
}

25
src/api/java/ConstructorList.java
View file

@ -20,32 +20,21 @@ package com.microsoft.z3;
/**
* Lists of constructors
**/
public class ConstructorList extends Z3Object
{
/**
* Destructor.
* @throws Throwable
* @throws Z3Exception on error
**/
protected void finalize() throws Throwable
{
try {
Native.delConstructorList(getContext().nCtx(), getNativeObject());
} finally {
super.finalize();
}
}
public class ConstructorList extends Z3Object {
ConstructorList(Context ctx, long obj)
{
super(ctx, obj);
}
@Override
void incRef(long o) {
getContext().getConstructorListDRQ().storeReference(getContext(), this);
}
ConstructorList(Context ctx, Constructor[] constructors)
{
super(ctx);
setNativeObject(Native.mkConstructorList(getContext().nCtx(),
super(ctx, Native.mkConstructorList(ctx.nCtx(),
constructors.length,
Constructor.arrayToNative(constructors)));
}

176
src/api/java/Context.java
View file

@ -17,34 +17,35 @@ Notes:
package com.microsoft.z3;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import static com.microsoft.z3.Constructor.of;
import com.microsoft.z3.enumerations.Z3_ast_print_mode;
import java.util.Map;
/**
* The main interaction with Z3 happens via the Context.
**/
public class Context extends IDisposable
{
/**
* Constructor.
**/
public Context()
{
super();
synchronized (creation_lock) {
public class Context implements AutoCloseable {
private final long m_ctx;
static final Object creation_lock = new Object();
public static Context mkContext() {
long m_ctx;
synchronized (creation_lock) {
m_ctx = Native.mkContextRc(0);
initContext();
// TODO: then adding settings will not be under the lock.
}
return new Context(m_ctx);
}
/**
* Constructor.
* Remarks:
* The following parameters can be set:
* The following parameters can be set:
* - proof (Boolean) Enable proof generation
* - debug_ref_count (Boolean) Enable debug support for Z3_ast reference counting
* - debug_ref_count (Boolean) Enable debug support for Z3_ast reference counting
* - trace (Boolean) Tracing support for VCC
* - trace_file_name (String) Trace out file for VCC traces
* - timeout (unsigned) default timeout (in milliseconds) used for solvers
@ -53,20 +54,32 @@ public class Context extends IDisposable
* - model model generation for solvers, this parameter can be overwritten when creating a solver
* - model_validate validate models produced by solvers
* - unsat_core unsat-core generation for solvers, this parameter can be overwritten when creating a solver
* Note that in previous versions of Z3, this constructor was also used to set global and
* Note that in previous versions of Z3, this constructor was also used to set global and
* module parameters. For this purpose we should now use {@code Global.setParameter}
**/
public Context(Map<String, String> settings)
public static Context mkContext(Map<String, String> settings)
{
super();
synchronized (creation_lock) {
long m_ctx;
synchronized (creation_lock) {
long cfg = Native.mkConfig();
for (Map.Entry<String, String> kv : settings.entrySet())
Native.setParamValue(cfg, kv.getKey(), kv.getValue());
m_ctx = Native.mkContextRc(cfg);
Native.delConfig(cfg);
initContext();
}
return new Context(m_ctx);
}
/**
* Constructor.
**/
protected Context(long m_ctx)
{
this.m_ctx = m_ctx;
// Code which used to be in "initContext".
setPrintMode(Z3_ast_print_mode.Z3_PRINT_SMTLIB2_COMPLIANT);
Native.setInternalErrorHandler(m_ctx);
}
/**
@ -242,7 +255,7 @@ public class Context extends IDisposable
checkContextMatch(name);
checkContextMatch(fieldNames);
checkContextMatch(fieldSorts);
return new TupleSort(this, name, (int) fieldNames.length, fieldNames,
return new TupleSort(this, name, fieldNames.length, fieldNames,
fieldSorts);
}
@ -319,8 +332,7 @@ public class Context extends IDisposable
Symbol[] fieldNames, Sort[] sorts, int[] sortRefs)
{
return new Constructor(this, name, recognizer, fieldNames, sorts,
return of(this, name, recognizer, fieldNames, sorts,
sortRefs);
}
@ -329,10 +341,8 @@ public class Context extends IDisposable
**/
public Constructor mkConstructor(String name, String recognizer,
String[] fieldNames, Sort[] sorts, int[] sortRefs)
{
return new Constructor(this, mkSymbol(name), mkSymbol(recognizer),
return of(this, mkSymbol(name), mkSymbol(recognizer),
mkSymbols(fieldNames), sorts, sortRefs);
}
@ -525,7 +535,7 @@ public class Context extends IDisposable
throw new Z3Exception("Cannot create a pattern from zero terms");
long[] termsNative = AST.arrayToNative(terms);
return new Pattern(this, Native.mkPattern(nCtx(), (int) terms.length,
return new Pattern(this, Native.mkPattern(nCtx(), terms.length,
termsNative));
}
@ -688,7 +698,7 @@ public class Context extends IDisposable
public BoolExpr mkDistinct(Expr... args)
{
checkContextMatch(args);
return new BoolExpr(this, Native.mkDistinct(nCtx(), (int) args.length,
return new BoolExpr(this, Native.mkDistinct(nCtx(), args.length,
AST.arrayToNative(args)));
}
@ -756,7 +766,7 @@ public class Context extends IDisposable
public BoolExpr mkAnd(BoolExpr... t)
{
checkContextMatch(t);
return new BoolExpr(this, Native.mkAnd(nCtx(), (int) t.length,
return new BoolExpr(this, Native.mkAnd(nCtx(), t.length,
AST.arrayToNative(t)));
}
@ -766,7 +776,7 @@ public class Context extends IDisposable
public BoolExpr mkOr(BoolExpr... t)
{
checkContextMatch(t);
return new BoolExpr(this, Native.mkOr(nCtx(), (int) t.length,
return new BoolExpr(this, Native.mkOr(nCtx(), t.length,
AST.arrayToNative(t)));
}
@ -777,7 +787,7 @@ public class Context extends IDisposable
{
checkContextMatch(t);
return (ArithExpr) Expr.create(this,
Native.mkAdd(nCtx(), (int) t.length, AST.arrayToNative(t)));
Native.mkAdd(nCtx(), t.length, AST.arrayToNative(t)));
}
/**
@ -787,7 +797,7 @@ public class Context extends IDisposable
{
checkContextMatch(t);
return (ArithExpr) Expr.create(this,
Native.mkMul(nCtx(), (int) t.length, AST.arrayToNative(t)));
Native.mkMul(nCtx(), t.length, AST.arrayToNative(t)));
}
/**
@ -797,7 +807,7 @@ public class Context extends IDisposable
{
checkContextMatch(t);
return (ArithExpr) Expr.create(this,
Native.mkSub(nCtx(), (int) t.length, AST.arrayToNative(t)));
Native.mkSub(nCtx(), t.length, AST.arrayToNative(t)));
}
/**
@ -1814,7 +1824,7 @@ public class Context extends IDisposable
{
checkContextMatch(args);
return (ArrayExpr)Expr.create(this,
Native.mkSetUnion(nCtx(), (int) args.length,
Native.mkSetUnion(nCtx(), args.length,
AST.arrayToNative(args)));
}
@ -1825,7 +1835,7 @@ public class Context extends IDisposable
{
checkContextMatch(args);
return (ArrayExpr)Expr.create(this,
Native.mkSetIntersect(nCtx(), (int) args.length,
Native.mkSetIntersect(nCtx(), args.length,
AST.arrayToNative(args)));
}
@ -1912,7 +1922,7 @@ public class Context extends IDisposable
public SeqExpr MkConcat(SeqExpr... t)
{
checkContextMatch(t);
return new SeqExpr(this, Native.mkSeqConcat(nCtx(), (int)t.length, AST.arrayToNative(t)));
return new SeqExpr(this, Native.mkSeqConcat(nCtx(), t.length, AST.arrayToNative(t)));
}
@ -2040,7 +2050,7 @@ public class Context extends IDisposable
public ReExpr MkConcat(ReExpr... t)
{
checkContextMatch(t);
return new ReExpr(this, Native.mkReConcat(nCtx(), (int)t.length, AST.arrayToNative(t)));
return new ReExpr(this, Native.mkReConcat(nCtx(), t.length, AST.arrayToNative(t)));
}
/**
@ -2049,7 +2059,7 @@ public class Context extends IDisposable
public ReExpr MkUnion(ReExpr... t)
{
checkContextMatch(t);
return new ReExpr(this, Native.mkReUnion(nCtx(), (int)t.length, AST.arrayToNative(t)));
return new ReExpr(this, Native.mkReUnion(nCtx(), t.length, AST.arrayToNative(t)));
}
@ -2258,7 +2268,7 @@ public class Context extends IDisposable
Symbol quantifierID, Symbol skolemID)
{
return new Quantifier(this, true, sorts, names, body, weight, patterns,
return Quantifier.of(this, true, sorts, names, body, weight, patterns,
noPatterns, quantifierID, skolemID);
}
@ -2271,7 +2281,7 @@ public class Context extends IDisposable
Symbol skolemID)
{
return new Quantifier(this, true, boundConstants, body, weight,
return Quantifier.of(this, true, boundConstants, body, weight,
patterns, noPatterns, quantifierID, skolemID);
}
@ -2284,7 +2294,7 @@ public class Context extends IDisposable
Symbol quantifierID, Symbol skolemID)
{
return new Quantifier(this, false, sorts, names, body, weight,
return Quantifier.of(this, false, sorts, names, body, weight,
patterns, noPatterns, quantifierID, skolemID);
}
@ -2297,7 +2307,7 @@ public class Context extends IDisposable
Symbol skolemID)
{
return new Quantifier(this, false, boundConstants, body, weight,
return Quantifier.of(this, false, boundConstants, body, weight,
patterns, noPatterns, quantifierID, skolemID);
}
@ -3814,7 +3824,7 @@ public class Context extends IDisposable
* must be a native object obtained from Z3 (e.g., through
* {@code UnwrapAST}) and that it must have a correct reference count.
* @see Native#incRef
* @see unwrapAST
* @see #unwrapAST
* @param nativeObject The native pointer to wrap.
**/
public AST wrapAST(long nativeObject)
@ -3869,19 +3879,12 @@ public class Context extends IDisposable
Native.updateParamValue(nCtx(), id, value);
}
protected long m_ctx = 0;
protected static final Object creation_lock = new Object();
long nCtx()
{
return m_ctx;
}
void initContext()
{
setPrintMode(Z3_ast_print_mode.Z3_PRINT_SMTLIB2_COMPLIANT);
Native.setInternalErrorHandler(nCtx());
}
void checkContextMatch(Z3Object other)
{
@ -3925,110 +3928,103 @@ public class Context extends IDisposable
private TacticDecRefQueue m_Tactic_DRQ = new TacticDecRefQueue(10);
private FixedpointDecRefQueue m_Fixedpoint_DRQ = new FixedpointDecRefQueue(10);
private OptimizeDecRefQueue m_Optimize_DRQ = new OptimizeDecRefQueue(10);
private ConstructorDecRefQueue m_Constructor_DRQ = new ConstructorDecRefQueue(10);
private ConstructorListDecRefQueue m_ConstructorList_DRQ =
new ConstructorListDecRefQueue(10);
public IDecRefQueue getASTDRQ()
public IDecRefQueue<Constructor> getConstructorDRQ() {
return m_Constructor_DRQ;
}
public IDecRefQueue<ConstructorList> getConstructorListDRQ() {
return m_ConstructorList_DRQ;
}
public IDecRefQueue<AST> getASTDRQ()
{
return m_AST_DRQ;
}
public IDecRefQueue getASTMapDRQ()
public IDecRefQueue<ASTMap> getASTMapDRQ()
{
return m_ASTMap_DRQ;
}
public IDecRefQueue getASTVectorDRQ()
public IDecRefQueue<ASTVector> getASTVectorDRQ()
{
return m_ASTVector_DRQ;
}
public IDecRefQueue getApplyResultDRQ()
public IDecRefQueue<ApplyResult> getApplyResultDRQ()
{
return m_ApplyResult_DRQ;
}
public IDecRefQueue getFuncEntryDRQ()
public IDecRefQueue<FuncInterp.Entry> getFuncEntryDRQ()
{
return m_FuncEntry_DRQ;
}
public IDecRefQueue getFuncInterpDRQ()
public IDecRefQueue<FuncInterp> getFuncInterpDRQ()
{
return m_FuncInterp_DRQ;
}
public IDecRefQueue getGoalDRQ()
public IDecRefQueue<Goal> getGoalDRQ()
{
return m_Goal_DRQ;
}
public IDecRefQueue getModelDRQ()
public IDecRefQueue<Model> getModelDRQ()
{
return m_Model_DRQ;
}
public IDecRefQueue getParamsDRQ()
public IDecRefQueue<Params> getParamsDRQ()
{
return m_Params_DRQ;
}
public IDecRefQueue getParamDescrsDRQ()
public IDecRefQueue<ParamDescrs> getParamDescrsDRQ()
{
return m_ParamDescrs_DRQ;
}
public IDecRefQueue getProbeDRQ()
public IDecRefQueue<Probe> getProbeDRQ()
{
return m_Probe_DRQ;
}
public IDecRefQueue getSolverDRQ()
public IDecRefQueue<Solver> getSolverDRQ()
{
return m_Solver_DRQ;
}
public IDecRefQueue getStatisticsDRQ()
public IDecRefQueue<Statistics> getStatisticsDRQ()
{
return m_Statistics_DRQ;
}
public IDecRefQueue getTacticDRQ()
public IDecRefQueue<Tactic> getTacticDRQ()
{
return m_Tactic_DRQ;
}
public IDecRefQueue getFixedpointDRQ()
public IDecRefQueue<Fixedpoint> getFixedpointDRQ()
{
return m_Fixedpoint_DRQ;
}
public IDecRefQueue getOptimizeDRQ()
public IDecRefQueue<Optimize> getOptimizeDRQ()
{
return m_Optimize_DRQ;
}
protected AtomicInteger m_refCount = new AtomicInteger(0);
/**
* Finalizer.
* @throws Throwable
**/
protected void finalize() throws Throwable
{
try {
dispose();
}
catch (Throwable t) {
throw t;
}
finally {
super.finalize();
}
}
/**
* Disposes of the context.
**/
public void dispose()
@Override
public void close()
{
m_AST_DRQ.clear(this);
m_ASTMap_DRQ.clear(this);
@ -4052,15 +4048,7 @@ public class Context extends IDisposable
m_stringSort = null;
synchronized (creation_lock) {
if (m_refCount.get() == 0 && m_ctx != 0) {
try {
Native.delContext(m_ctx);
} catch (Z3Exception e) {
// OK?
System.out.println("Context deletion failed; memory leak possible.");
}
m_ctx = 0;
}
Native.delContext(m_ctx);
}
}
}

12
src/api/java/EnumSort.java
View file

@ -92,13 +92,9 @@ public class EnumSort extends Sort
EnumSort(Context ctx, Symbol name, Symbol[] enumNames)
{
super(ctx, 0);
int n = enumNames.length;
long[] n_constdecls = new long[n];
long[] n_testers = new long[n];
setNativeObject(Native.mkEnumerationSort(ctx.nCtx(),
name.getNativeObject(), n, Symbol.arrayToNative(enumNames),
n_constdecls, n_testers));
super(ctx, Native.mkEnumerationSort(ctx.nCtx(),
name.getNativeObject(), enumNames.length,
Symbol.arrayToNative(enumNames),
new long[enumNames.length], new long[enumNames.length]));
}
};

25
src/api/java/Expr.java
View file

@ -120,13 +120,13 @@ public class Expr extends AST
* @param args arguments
* @throws Z3Exception on error
**/
public void update(Expr[] args)
public Expr update(Expr[] args)
{
getContext().checkContextMatch(args);
if (isApp() && args.length != getNumArgs()) {
throw new Z3Exception("Number of arguments does not match");
}
setNativeObject(Native.updateTerm(getContext().nCtx(), getNativeObject(),
return new Expr(getContext(), Native.updateTerm(getContext().nCtx(), getNativeObject(),
args.length, Expr.arrayToNative(args)));
}
@ -2091,36 +2091,23 @@ public class Expr extends AST
**/
public int getIndex()
{
if (!isVar())
if (!isVar()) {
throw new Z3Exception("Term is not a bound variable.");
}
return Native.getIndexValue(getContext().nCtx(), getNativeObject());
}
/**
* Constructor for Expr
**/
protected Expr(Context ctx)
{
super(ctx);
{
}
}
/**
* Constructor for Expr
* @throws Z3Exception on error
**/
protected Expr(Context ctx, long obj)
{
protected Expr(Context ctx, long obj) {
super(ctx, obj);
{
}
}
@Override
void checkNativeObject(long obj)
{
void checkNativeObject(long obj) {
if (!Native.isApp(getContext().nCtx(), obj) &&
Native.getAstKind(getContext().nCtx(), obj) != Z3_ast_kind.Z3_VAR_AST.toInt() &&
Native.getAstKind(getContext().nCtx(), obj) != Z3_ast_kind.Z3_QUANTIFIER_AST.toInt()) {

6
src/api/java/FPNum.java
View file

@ -28,7 +28,7 @@ public class FPNum extends FPExpr
*/
public boolean getSign() {
Native.IntPtr res = new Native.IntPtr();
if (Native.fpaGetNumeralSign(getContext().nCtx(), getNativeObject(), res) ^ true)
if (!Native.fpaGetNumeralSign(getContext().nCtx(), getNativeObject(), res))
throw new Z3Exception("Sign is not a Boolean value");
return res.value != 0;
}
@ -53,7 +53,7 @@ public class FPNum extends FPExpr
public long getSignificandUInt64()
{
Native.LongPtr res = new Native.LongPtr();
if (Native.fpaGetNumeralSignificandUint64(getContext().nCtx(), getNativeObject(), res) ^ true)
if (!Native.fpaGetNumeralSignificandUint64(getContext().nCtx(), getNativeObject(), res))
throw new Z3Exception("Significand is not a 64 bit unsigned integer");
return res.value;
}
@ -72,7 +72,7 @@ public class FPNum extends FPExpr
*/
public long getExponentInt64() {
Native.LongPtr res = new Native.LongPtr();
if (Native.fpaGetNumeralExponentInt64(getContext().nCtx(), getNativeObject(), res) ^ true)
if (!Native.fpaGetNumeralExponentInt64(getContext().nCtx(), getNativeObject(), res))
throw new Z3Exception("Exponent is not a 64 bit integer");
return res.value;
}

13
src/api/java/Fixedpoint.java
View file

@ -349,16 +349,11 @@ public class Fixedpoint extends Z3Object
}
@Override
void incRef(long o)
{
getContext().getFixedpointDRQ().incAndClear(getContext(), o);
super.incRef(o);
void incRef(long o) {
Native.fixedpointIncRef(getContext().nCtx(), o);
getContext().getFixedpointDRQ().storeReference(getContext(), this);
}
@Override
void decRef(long o)
{
getContext().getFixedpointDRQ().add(o);
super.decRef(o);
}
void checkNativeObject(long obj) { }
}

21
src/api/java/FixedpointDecRefQueue.java
View file

@ -17,7 +17,7 @@ Notes:
package com.microsoft.z3;
class FixedpointDecRefQueue extends IDecRefQueue
class FixedpointDecRefQueue extends IDecRefQueue<Fixedpoint>
{
public FixedpointDecRefQueue()
{
@ -29,27 +29,10 @@ class FixedpointDecRefQueue extends IDecRefQueue
super(move_limit);
}
@Override
protected void incRef(Context ctx, long obj)
{
try
{
Native.fixedpointIncRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
@Override
protected void decRef(Context ctx, long obj)
{
try
{
Native.fixedpointDecRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
Native.fixedpointDecRef(ctx.nCtx(), obj);
}
};

86
src/api/java/FuncInterp.java
View file

@ -73,18 +73,12 @@ public class FuncInterp extends Z3Object
@Override
public String toString()
{
try
{
int n = getNumArgs();
String res = "[";
Expr[] args = getArgs();
for (int i = 0; i < n; i++)
res += args[i] + ", ";
return res + getValue() + "]";
} catch (Z3Exception e)
{
return "Z3Exception: " + e.getMessage();
}
int n = getNumArgs();
String res = "[";
Expr[] args = getArgs();
for (int i = 0; i < n; i++)
res += args[i] + ", ";
return res + getValue() + "]";
}
Entry(Context ctx, long obj)
@ -93,17 +87,9 @@ public class FuncInterp extends Z3Object
}
@Override
void incRef(long o)
{
getContext().getFuncEntryDRQ().incAndClear(getContext(), o);
super.incRef(o);
}
@Override
void decRef(long o)
{
getContext().getFuncEntryDRQ().add(o);
super.decRef(o);
void incRef(long o) {
Native.funcEntryIncRef(getContext().nCtx(), o);;
getContext().getFuncEntryDRQ().storeReference(getContext(), this);
}
}
@ -161,33 +147,27 @@ public class FuncInterp extends Z3Object
**/
public String toString()
{
try
String res = "";
res += "[";
for (Entry e : getEntries())
{
String res = "";
res += "[";
for (Entry e : getEntries())
int n = e.getNumArgs();
if (n > 1)
res += "[";
Expr[] args = e.getArgs();
for (int i = 0; i < n; i++)
{
int n = e.getNumArgs();
if (n > 1)
res += "[";
Expr[] args = e.getArgs();
for (int i = 0; i < n; i++)
{
if (i != 0)
res += ", ";
res += args[i];
}
if (n > 1)
res += "]";
res += " -> " + e.getValue() + ", ";
if (i != 0)
res += ", ";
res += args[i];
}
res += "else -> " + getElse();
res += "]";
return res;
} catch (Z3Exception e)
{
return "Z3Exception: " + e.getMessage();
if (n > 1)
res += "]";
res += " -> " + e.getValue() + ", ";
}
res += "else -> " + getElse();
res += "]";
return res;
}
FuncInterp(Context ctx, long obj)
@ -196,16 +176,8 @@ public class FuncInterp extends Z3Object
}
@Override
void incRef(long o)
{
getContext().getFuncInterpDRQ().incAndClear(getContext(), o);
super.incRef(o);
}
@Override
void decRef(long o)
{
getContext().getFuncInterpDRQ().add(o);
super.decRef(o);
void incRef(long o) {
Native.funcInterpIncRef(getContext().nCtx(), o);
getContext().getFuncInterpDRQ().storeReference(getContext(), this);
}
}

25
src/api/java/FuncInterpDecRefQueue.java
View file

@ -17,7 +17,7 @@ Notes:
package com.microsoft.z3;
class FuncInterpDecRefQueue extends IDecRefQueue
class FuncInterpDecRefQueue extends IDecRefQueue<FuncInterp>
{
public FuncInterpDecRefQueue()
{
@ -30,26 +30,7 @@ class FuncInterpDecRefQueue extends IDecRefQueue
}
@Override
protected void incRef(Context ctx, long obj)
{
try
{
Native.funcInterpIncRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
@Override
protected void decRef(Context ctx, long obj)
{
try
{
Native.funcInterpDecRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
protected void decRef(Context ctx, long obj) {
Native.funcInterpDecRef(ctx.nCtx(), obj);
}
};

25
src/api/java/FuncInterpEntryDecRefQueue.java
View file

@ -17,7 +17,7 @@ Notes:
package com.microsoft.z3;
class FuncInterpEntryDecRefQueue extends IDecRefQueue
class FuncInterpEntryDecRefQueue extends IDecRefQueue<FuncInterp.Entry>
{
public FuncInterpEntryDecRefQueue()
{
@ -30,26 +30,7 @@ class FuncInterpEntryDecRefQueue extends IDecRefQueue
}
@Override
protected void incRef(Context ctx, long obj)
{
try
{
Native.funcEntryIncRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
@Override
protected void decRef(Context ctx, long obj)
{
try
{
Native.funcEntryDecRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
protected void decRef(Context ctx, long obj) {
Native.funcEntryDecRef(ctx.nCtx(), obj);
}
};

25
src/api/java/Goal.java
View file

@ -222,11 +222,11 @@ public class Goal extends Z3Object
**/
public BoolExpr AsBoolExpr() {
int n = size();
if (n == 0)
if (n == 0) {
return getContext().mkTrue();
else if (n == 1)
} else if (n == 1) {
return getFormulas()[0];
else {
} else {
return getContext().mkAnd(getFormulas());
}
}
@ -236,23 +236,14 @@ public class Goal extends Z3Object
super(ctx, obj);
}
Goal(Context ctx, boolean models, boolean unsatCores, boolean proofs)
{
Goal(Context ctx, boolean models, boolean unsatCores, boolean proofs) {
super(ctx, Native.mkGoal(ctx.nCtx(), (models),
(unsatCores), (proofs)));
}
void incRef(long o)
{
getContext().getGoalDRQ().incAndClear(getContext(), o);
super.incRef(o);
@Override
void incRef(long o) {
Native.goalIncRef(getContext().nCtx(), o);
getContext().getGoalDRQ().storeReference(getContext(), this);
}
void decRef(long o)
{
getContext().getGoalDRQ().add(o);
super.decRef(o);
}
}

23
src/api/java/GoalDecRefQueue.java
View file

@ -17,7 +17,7 @@ Notes:
package com.microsoft.z3;
class GoalDecRefQueue extends IDecRefQueue
class GoalDecRefQueue extends IDecRefQueue<Goal>
{
public GoalDecRefQueue()
{
@ -30,26 +30,7 @@ class GoalDecRefQueue extends IDecRefQueue
}
@Override
protected void incRef(Context ctx, long obj)
{
try
{
Native.goalIncRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
@Override
protected void decRef(Context ctx, long obj)
{
try
{
protected void decRef(Context ctx, long obj) {
Native.goalDecRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
};

59
src/api/java/IDecRefQueue.java
View file

@ -17,13 +17,21 @@ Notes:
package com.microsoft.z3;
import java.util.LinkedList;
import java.lang.ref.PhantomReference;
import java.lang.ref.Reference;
import java.lang.ref.ReferenceQueue;
import java.util.IdentityHashMap;
import java.util.Map;
public abstract class IDecRefQueue
public abstract class IDecRefQueue<T extends Z3Object>
{
protected final Object m_lock = new Object();
protected LinkedList<Long> m_queue = new LinkedList<Long>();
protected int m_move_limit;
private final int m_move_limit;
// TODO: problem: ReferenceQueue has no API to return length.
private final ReferenceQueue<T> referenceQueue = new ReferenceQueue<>();
private int queueSize = 0;
private final Map<PhantomReference<T>, Long> referenceMap =
new IdentityHashMap<>();
protected IDecRefQueue()
{
@ -34,38 +42,31 @@ public abstract class IDecRefQueue
{
m_move_limit = move_limit;
}
public void setLimit(int l) { m_move_limit = l; }
protected abstract void incRef(Context ctx, long obj);
/**
* An implementation of this method should decrement the reference on a
* given native object.
* This function should be always called on the {@code ctx} thread.
*
* @param ctx Z3 context.
* @param obj Pointer to a Z3 object.
*/
protected abstract void decRef(Context ctx, long obj);
protected void incAndClear(Context ctx, long o)
{
incRef(ctx, o);
if (m_queue.size() >= m_move_limit)
clear(ctx);
}
public void storeReference(Context ctx, T obj) {
PhantomReference<T> ref = new PhantomReference<>(obj, referenceQueue);
referenceMap.put(ref, obj.getNativeObject());
protected void add(long o)
{
if (o == 0)
return;
synchronized (m_lock)
{
m_queue.add(o);
}
// TODO: use move_limit, somehow get the size of referenceQueue.
clear(ctx);
}
protected void clear(Context ctx)
{
synchronized (m_lock)
{
for (Long o : m_queue)
decRef(ctx, o);
m_queue.clear();
Reference<? extends T> ref;
while ((ref = referenceQueue.poll()) != null) {
long z3ast = referenceMap.remove(ref);
decRef(ctx, z3ast);
}
}
}

25
src/api/java/IDisposable.java
View file

@ -1,25 +0,0 @@
/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
IDisposable.java
Abstract:
Compatability interface (C# -> Java)
Author:
Christoph Wintersteiger (cwinter) 2012-03-16
Notes:
--*/
package com.microsoft.z3;
public abstract class IDisposable
{
public abstract void dispose();
}

21
src/api/java/InterpolationContext.java
View file

@ -17,11 +17,10 @@ Notes:
package com.microsoft.z3;
import java.util.Map;
import java.lang.String;
import com.microsoft.z3.enumerations.Z3_lbool;
import java.util.Map;
/**
* The InterpolationContext is suitable for generation of interpolants.
*
@ -33,13 +32,13 @@ public class InterpolationContext extends Context
/**
* Constructor.
**/
public InterpolationContext()
public static InterpolationContext mkContext()
{
super();
long m_ctx;
synchronized(creation_lock) {
m_ctx = Native.mkInterpolationContext(0);
initContext();
}
return new InterpolationContext(m_ctx);
}
/**
@ -49,17 +48,21 @@ public class InterpolationContext extends Context
* Remarks:
* @see Context#Context
**/
public InterpolationContext(Map<String, String> settings)
public static InterpolationContext mkContext(Map<String, String> settings)
{
super();
long m_ctx;
synchronized(creation_lock) {
long cfg = Native.mkConfig();
for (Map.Entry<String, String> kv : settings.entrySet())
Native.setParamValue(cfg, kv.getKey(), kv.getValue());
m_ctx = Native.mkInterpolationContext(cfg);
Native.delConfig(cfg);
initContext();
}
return new InterpolationContext(m_ctx);
}
private InterpolationContext(long m_ctx) {
super(m_ctx);
}
/**

15
src/api/java/ListSort.java
View file

@ -17,6 +17,8 @@ Notes:
package com.microsoft.z3;
import com.microsoft.z3.Native.LongPtr;
/**
* List sorts.
**/
@ -88,14 +90,9 @@ public class ListSort extends Sort
ListSort(Context ctx, Symbol name, Sort elemSort)
{
super(ctx, 0);
Native.LongPtr inil = new Native.LongPtr(), iisnil = new Native.LongPtr();
Native.LongPtr icons = new Native.LongPtr(), iiscons = new Native.LongPtr();
Native.LongPtr ihead = new Native.LongPtr(), itail = new Native.LongPtr();
setNativeObject(Native.mkListSort(ctx.nCtx(), name.getNativeObject(),
elemSort.getNativeObject(), inil, iisnil, icons, iiscons, ihead,
itail));
super(ctx, Native.mkListSort(ctx.nCtx(), name.getNativeObject(),
elemSort.getNativeObject(),
new LongPtr(), new Native.LongPtr(), new LongPtr(),
new LongPtr(), new LongPtr(), new LongPtr()));
}
};

14
src/api/java/Model.java
View file

@ -293,16 +293,8 @@ public class Model extends Z3Object
}
@Override
void incRef(long o)
{
getContext().getModelDRQ().incAndClear(getContext(), o);
super.incRef(o);
}
@Override
void decRef(long o)
{
getContext().getModelDRQ().add(o);
super.decRef(o);
void incRef(long o) {
Native.modelIncRef(getContext().nCtx(), o);
getContext().getModelDRQ().storeReference(getContext(), this);
}
}

25
src/api/java/ModelDecRefQueue.java
View file

@ -17,7 +17,7 @@ Notes:
package com.microsoft.z3;
class ModelDecRefQueue extends IDecRefQueue
class ModelDecRefQueue extends IDecRefQueue<Model>
{
public ModelDecRefQueue()
{
@ -30,26 +30,7 @@ class ModelDecRefQueue extends IDecRefQueue
}
@Override
protected void incRef(Context ctx, long obj)
{
try
{
Native.modelIncRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
@Override
protected void decRef(Context ctx, long obj)
{
try
{
Native.modelDecRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
protected void decRef(Context ctx, long obj) {
Native.modelDecRef(ctx.nCtx(), obj);
}
};

15
src/api/java/Optimize.java
View file

@ -266,17 +266,8 @@ public class Optimize extends Z3Object
}
@Override
void incRef(long o)
{
getContext().getOptimizeDRQ().incAndClear(getContext(), o);
super.incRef(o);
void incRef(long o) {
Native.optimizeIncRef(getContext().nCtx(), o);
getContext().getOptimizeDRQ().storeReference(getContext(), this);
}
@Override
void decRef(long o)
{
getContext().getOptimizeDRQ().add(o);
super.decRef(o);
}
}

26
src/api/java/OptimizeDecRefQueue.java
View file

@ -17,8 +17,7 @@ Notes:
package com.microsoft.z3;
class OptimizeDecRefQueue extends IDecRefQueue
{
class OptimizeDecRefQueue extends IDecRefQueue<Optimize> {
public OptimizeDecRefQueue()
{
super();
@ -30,26 +29,7 @@ class OptimizeDecRefQueue extends IDecRefQueue
}
@Override
protected void incRef(Context ctx, long obj)
{
try
{
Native.fixedpointIncRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
@Override
protected void decRef(Context ctx, long obj)
{
try
{
Native.fixedpointDecRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
protected void decRef(Context ctx, long obj) {
Native.optimizeDecRef(ctx.nCtx(), obj);
}
};

14
src/api/java/ParamDescrs.java
View file

@ -92,16 +92,8 @@ public class ParamDescrs extends Z3Object
}
@Override
void incRef(long o)
{
getContext().getParamDescrsDRQ().incAndClear(getContext(), o);
super.incRef(o);
}
@Override
void decRef(long o)
{
getContext().getParamDescrsDRQ().add(o);
super.decRef(o);
void incRef(long o) {
Native.paramDescrsIncRef(getContext().nCtx(), o);
getContext().getParamDescrsDRQ().storeReference(getContext(), this);
}
}

25
src/api/java/ParamDescrsDecRefQueue.java
View file

@ -17,39 +17,20 @@ Notes:
package com.microsoft.z3;
class ParamDescrsDecRefQueue extends IDecRefQueue
class ParamDescrsDecRefQueue extends IDecRefQueue<ParamDescrs>
{
public ParamDescrsDecRefQueue()
{
super();
}
public ParamDescrsDecRefQueue(int move_limit)
{
public ParamDescrsDecRefQueue(int move_limit) {
super(move_limit);
}
@Override
protected void incRef(Context ctx, long obj)
{
try
{
Native.paramDescrsIncRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
@Override
protected void decRef(Context ctx, long obj)
{
try
{
Native.paramDescrsDecRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
Native.paramDescrsDecRef(ctx.nCtx(), obj);
}
};

14
src/api/java/Params.java
View file

@ -124,16 +124,8 @@ public class Params extends Z3Object
}
@Override
void incRef(long o)
{
getContext().getParamsDRQ().incAndClear(getContext(), o);
super.incRef(o);
}
@Override
void decRef(long o)
{
getContext().getParamsDRQ().add(o);
super.decRef(o);
void incRef(long o) {
Native.paramsIncRef(getContext().nCtx(), o);
getContext().getParamsDRQ().storeReference(getContext(), this);
}
}

25
src/api/java/ParamsDecRefQueue.java
View file

@ -17,7 +17,7 @@ Notes:
package com.microsoft.z3;
class ParamsDecRefQueue extends IDecRefQueue
class ParamsDecRefQueue extends IDecRefQueue<Params>
{
public ParamsDecRefQueue()
{
@ -30,26 +30,7 @@ class ParamsDecRefQueue extends IDecRefQueue
}
@Override
protected void incRef(Context ctx, long obj)
{
try
{
Native.paramsIncRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
@Override
protected void decRef(Context ctx, long obj)
{
try
{
Native.paramsDecRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
protected void decRef(Context ctx, long obj) {
Native.paramsDecRef(ctx.nCtx(), obj);
}
};

11
src/api/java/Probe.java
View file

@ -54,14 +54,7 @@ public class Probe extends Z3Object
@Override
void incRef(long o)
{
getContext().getProbeDRQ().incAndClear(getContext(), o);
super.incRef(o);
}
@Override
void decRef(long o)
{
getContext().getProbeDRQ().add(o);
super.decRef(o);
Native.probeIncRef(getContext().nCtx(), o);
getContext().getProbeDRQ().storeReference(getContext(), this);
}
}

22
src/api/java/ProbeDecRefQueue.java
View file

@ -17,7 +17,7 @@ Notes:
package com.microsoft.z3;
class ProbeDecRefQueue extends IDecRefQueue
class ProbeDecRefQueue extends IDecRefQueue<Probe>
{
public ProbeDecRefQueue()
{
@ -29,27 +29,9 @@ class ProbeDecRefQueue extends IDecRefQueue
super(move_limit);
}
@Override
protected void incRef(Context ctx, long obj)
{
try
{
Native.probeIncRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
@Override
protected void decRef(Context ctx, long obj)
{
try
{
Native.probeDecRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
Native.probeDecRef(ctx.nCtx(), obj);
}
};

73
src/api/java/Quantifier.java
View file

@ -145,68 +145,67 @@ public class Quantifier extends BoolExpr
.nCtx(), getNativeObject()));
}
Quantifier(Context ctx, boolean isForall, Sort[] sorts, Symbol[] names,
public static Quantifier of(
Context ctx, boolean isForall, Sort[] sorts, Symbol[] names,
Expr body, int weight, Pattern[] patterns, Expr[] noPatterns,
Symbol quantifierID, Symbol skolemID)
{
super(ctx, 0);
getContext().checkContextMatch(patterns);
getContext().checkContextMatch(noPatterns);
getContext().checkContextMatch(sorts);
getContext().checkContextMatch(names);
getContext().checkContextMatch(body);
Symbol quantifierID, Symbol skolemID
) {
ctx.checkContextMatch(patterns);
ctx.checkContextMatch(noPatterns);
ctx.checkContextMatch(sorts);
ctx.checkContextMatch(names);
ctx.checkContextMatch(body);
if (sorts.length != names.length)
throw new Z3Exception(
"Number of sorts does not match number of names");
if (noPatterns == null && quantifierID == null && skolemID == null)
{
setNativeObject(Native.mkQuantifier(ctx.nCtx(), (isForall), weight, AST.arrayLength(patterns), AST
long nativeObj;
if (noPatterns == null && quantifierID == null && skolemID == null) {
nativeObj = Native.mkQuantifier(ctx.nCtx(), (isForall), weight, AST.arrayLength(patterns), AST
.arrayToNative(patterns), AST.arrayLength(sorts), AST
.arrayToNative(sorts), Symbol.arrayToNative(names), body
.getNativeObject()));
} else
{
setNativeObject(Native.mkQuantifierEx(ctx.nCtx(),
(isForall), weight, AST.getNativeObject(quantifierID),
AST.getNativeObject(skolemID),
AST.arrayLength(patterns), AST.arrayToNative(patterns),
AST.arrayLength(noPatterns), AST.arrayToNative(noPatterns),
AST.arrayLength(sorts), AST.arrayToNative(sorts),
Symbol.arrayToNative(names),
body.getNativeObject()));
.getNativeObject());
} else {
nativeObj = Native.mkQuantifierEx(ctx.nCtx(),
(isForall), weight, AST.getNativeObject(quantifierID),
AST.getNativeObject(skolemID),
AST.arrayLength(patterns), AST.arrayToNative(patterns),
AST.arrayLength(noPatterns), AST.arrayToNative(noPatterns),
AST.arrayLength(sorts), AST.arrayToNative(sorts),
Symbol.arrayToNative(names),
body.getNativeObject());
}
return new Quantifier(ctx, nativeObj);
}
Quantifier(Context ctx, boolean isForall, Expr[] bound, Expr body,
public static Quantifier of(Context ctx, boolean isForall, Expr[] bound, Expr body,
int weight, Pattern[] patterns, Expr[] noPatterns,
Symbol quantifierID, Symbol skolemID)
{
super(ctx, 0);
getContext().checkContextMatch(noPatterns);
getContext().checkContextMatch(patterns);
// Context().CheckContextMatch(bound);
getContext().checkContextMatch(body);
ctx.checkContextMatch(noPatterns);
ctx.checkContextMatch(patterns);
// ctx.CheckContextMatch(bound);
ctx.checkContextMatch(body);
long nativeObj;
if (noPatterns == null && quantifierID == null && skolemID == null)
{
setNativeObject(Native.mkQuantifierConst(ctx.nCtx(),
nativeObj = Native.mkQuantifierConst(ctx.nCtx(),
isForall, weight, AST.arrayLength(bound),
AST.arrayToNative(bound), AST.arrayLength(patterns),
AST.arrayToNative(patterns), body.getNativeObject()));
} else
{
setNativeObject(Native.mkQuantifierConstEx(ctx.nCtx(),
AST.arrayToNative(patterns), body.getNativeObject());
} else {
nativeObj = Native.mkQuantifierConstEx(ctx.nCtx(),
isForall, weight,
AST.getNativeObject(quantifierID),
AST.getNativeObject(skolemID), AST.arrayLength(bound),
AST.arrayToNative(bound), AST.arrayLength(patterns),
AST.arrayToNative(patterns), AST.arrayLength(noPatterns),
AST.arrayToNative(noPatterns), body.getNativeObject()));
AST.arrayToNative(noPatterns), body.getNativeObject());
}
return new Quantifier(ctx, nativeObj);
}
Quantifier(Context ctx, long obj)

20
src/api/java/Solver.java
View file

@ -127,13 +127,13 @@ public class Solver extends Z3Object
* using the Boolean constants in ps.
*
* Remarks:
* This API is an alternative to {@link check} with assumptions for
* This API is an alternative to {@link #check()} with assumptions for
* extracting unsat cores.
* Both APIs can be used in the same solver. The unsat core will contain a
* combination
* of the Boolean variables provided using {@link assertAndTrack}
* of the Boolean variables provided using {@code #assertAndTrack}
* and the Boolean literals
* provided using {@link check} with assumptions.
* provided using {@link #check()} with assumptions.
**/
public void assertAndTrack(BoolExpr[] constraints, BoolExpr[] ps)
{
@ -333,16 +333,8 @@ public class Solver extends Z3Object
}
@Override
void incRef(long o)
{
getContext().getSolverDRQ().incAndClear(getContext(), o);
super.incRef(o);
}
@Override
void decRef(long o)
{
getContext().getSolverDRQ().add(o);
super.decRef(o);
void incRef(long o) {
Native.solverIncRef(getContext().nCtx(), o);
getContext().getSolverDRQ().storeReference(getContext(), this);
}
}

25
src/api/java/SolverDecRefQueue.java
View file

@ -17,7 +17,7 @@ Notes:
package com.microsoft.z3;
class SolverDecRefQueue extends IDecRefQueue
class SolverDecRefQueue extends IDecRefQueue<Solver>
{
public SolverDecRefQueue() { super(); }
@ -27,26 +27,7 @@ class SolverDecRefQueue extends IDecRefQueue
}
@Override
protected void incRef(Context ctx, long obj)
{
try
{
Native.solverIncRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
@Override
protected void decRef(Context ctx, long obj)
{
try
{
Native.solverDecRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
protected void decRef(Context ctx, long obj) {
Native.solverDecRef(ctx.nCtx(), obj);
}
};

1
src/api/java/Sort.java
View file

@ -95,6 +95,7 @@ public class Sort extends AST
super(ctx, obj);
}
@Override
void checkNativeObject(long obj)
{
if (Native.getAstKind(getContext().nCtx(), obj) != Z3_ast_kind.Z3_SORT_AST

14
src/api/java/Statistics.java
View file

@ -190,15 +190,9 @@ public class Statistics extends Z3Object
super(ctx, obj);
}
void incRef(long o)
{
getContext().getStatisticsDRQ().incAndClear(getContext(), o);
super.incRef(o);
}
void decRef(long o)
{
getContext().getStatisticsDRQ().add(o);
super.decRef(o);
@Override
void incRef(long o) {
Native.statsIncRef(getContext().nCtx(), o);
getContext().getStatisticsDRQ().storeReference(getContext(), this);
}
}

25
src/api/java/StatisticsDecRefQueue.java
View file

@ -17,7 +17,7 @@ Notes:
package com.microsoft.z3;
class StatisticsDecRefQueue extends IDecRefQueue
class StatisticsDecRefQueue extends IDecRefQueue<Statistics>
{
public StatisticsDecRefQueue()
{
@ -29,25 +29,8 @@ class StatisticsDecRefQueue extends IDecRefQueue
super(move_limit);
}
protected void incRef(Context ctx, long obj)
{
try
{
Native.statsIncRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
protected void decRef(Context ctx, long obj)
{
try
{
Native.statsDecRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
@Override
protected void decRef(Context ctx, long obj) {
Native.statsDecRef(ctx.nCtx(), obj);
}
};

4
src/api/java/StringSymbol.java
View file

@ -48,9 +48,9 @@ public class StringSymbol extends Symbol
void checkNativeObject(long obj)
{
if (Native.getSymbolKind(getContext().nCtx(), obj) != Z3_symbol_kind.Z3_STRING_SYMBOL
.toInt())
.toInt()) {
throw new Z3Exception("Symbol is not of String kind");
}
super.checkNativeObject(obj);
}
}

25
src/api/java/Symbol.java
View file

@ -62,19 +62,13 @@ public class Symbol extends Z3Object
* A string representation of the symbol.
**/
@Override
public String toString()
{
try
{
if (isIntSymbol())
return Integer.toString(((IntSymbol) this).getInt());
else if (isStringSymbol())
return ((StringSymbol) this).getString();
else
return "Z3Exception: Unknown symbol kind encountered.";
} catch (Z3Exception ex)
{
return "Z3Exception: " + ex.getMessage();
public String toString() {
if (isIntSymbol()) {
return Integer.toString(((IntSymbol) this).getInt());
} else if (isStringSymbol()) {
return ((StringSymbol) this).getString();
} else {
return "Z3Exception: Unknown symbol kind encountered.";
}
}
@ -86,6 +80,11 @@ public class Symbol extends Z3Object
super(ctx, obj);
}
@Override
void incRef(long o) {
// Symbol does not require tracking.
}
static Symbol create(Context ctx, long obj)
{
switch (Z3_symbol_kind.fromInt(Native.getSymbolKind(ctx.nCtx(), obj)))

11
src/api/java/Tactic.java
View file

@ -92,15 +92,10 @@ public class Tactic extends Z3Object
super(ctx, Native.mkTactic(ctx.nCtx(), name));
}
@Override
void incRef(long o)
{
getContext().getTacticDRQ().incAndClear(getContext(), o);
super.incRef(o);
}
void decRef(long o)
{
getContext().getTacticDRQ().add(o);
super.decRef(o);
Native.tacticIncRef(getContext().nCtx(), o);
getContext().getTacticDRQ().storeReference(getContext(), this);
}
}

25
src/api/java/TacticDecRefQueue.java
View file

@ -17,8 +17,7 @@ Notes:
package com.microsoft.z3;
class TacticDecRefQueue extends IDecRefQueue
{
class TacticDecRefQueue extends IDecRefQueue<Tactic> {
public TacticDecRefQueue()
{
super();
@ -29,25 +28,9 @@ class TacticDecRefQueue extends IDecRefQueue
super(move_limit);
}
protected void incRef(Context ctx, long obj)
{
try
{
Native.tacticIncRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
}
@Override
protected void decRef(Context ctx, long obj)
{
try
{
Native.tacticDecRef(ctx.nCtx(), obj);
} catch (Z3Exception e)
{
// OK.
}
Native.tacticDecRef(ctx.nCtx(), obj);
}
};
}

8
src/api/java/TupleSort.java
View file

@ -59,11 +59,9 @@ public class TupleSort extends Sort
TupleSort(Context ctx, Symbol name, int numFields, Symbol[] fieldNames,
Sort[] fieldSorts)
{
super(ctx, 0);
Native.LongPtr t = new Native.LongPtr();
setNativeObject(Native.mkTupleSort(ctx.nCtx(), name.getNativeObject(),
super(ctx, Native.mkTupleSort(ctx.nCtx(), name.getNativeObject(),
numFields, Symbol.arrayToNative(fieldNames),
AST.arrayToNative(fieldSorts), t, new long[numFields]));
AST.arrayToNative(fieldSorts), new Native.LongPtr(),
new long[numFields]));
}
};

88
src/api/java/Z3Object.java
View file

@ -21,88 +21,38 @@ package com.microsoft.z3;
* Internal base class for interfacing with native Z3 objects. Should not be
* used externally.
**/
public class Z3Object extends IDisposable
{
/**
* Finalizer.
* @throws Throwable
**/
protected void finalize() throws Throwable
{
try {
dispose();
} finally {
super.finalize();
}
}
public abstract class Z3Object {
/**
* Disposes of the underlying native Z3 object.
**/
public void dispose()
{
if (m_n_obj != 0)
{
decRef(m_n_obj);
m_n_obj = 0;
}
private final Context m_ctx;
private final long m_n_obj;
if (m_ctx != null)
{
if (m_ctx.m_refCount.decrementAndGet() == 0)
m_ctx.dispose();
m_ctx = null;
}
}
private Context m_ctx = null;
private long m_n_obj = 0;
Z3Object(Context ctx)
{
ctx.m_refCount.incrementAndGet();
m_ctx = ctx;
}
Z3Object(Context ctx, long obj)
{
ctx.m_refCount.incrementAndGet();
Z3Object(Context ctx, long obj) {
m_ctx = ctx;
checkNativeObject(obj);
incRef(obj);
m_n_obj = obj;
}
void incRef(long o)
{
}
/**
* Increment reference count on {@code o}.
*
* @param o Z3 object.
*/
abstract void incRef(long o);
void decRef(long o)
{
}
void checkNativeObject(long obj)
{
}
/**
* This function is provided for overriding, and a child class
* can insert consistency checks on {@code obj}.
*
* @param obj Z3 native object.
*/
void checkNativeObject(long obj) {}
long getNativeObject()
{
return m_n_obj;
}
void setNativeObject(long value)
{
if (value != 0)
{
checkNativeObject(value);
incRef(value);
}
if (m_n_obj != 0)
{
decRef(m_n_obj);
}
m_n_obj = value;
}
static long getNativeObject(Z3Object s)
{
if (s == null)
@ -121,7 +71,7 @@ public class Z3Object extends IDisposable
return null;
long[] an = new long[a.length];
for (int i = 0; i < a.length; i++)
an[i] = (a[i] == null) ? 0 : a[i].getNativeObject();
an[i] = (a[i] == null) ? 0 : a[i].getNativeObject();
return an;
}