* PARC initial implementation
* ******************************************************************/
-
package org.aspectj.weaver.patterns;
import java.util.Arrays;
import org.aspectj.weaver.ast.Var;
public class ExposedState {
+ public static final boolean[] NO_ERRONEOUS_VARS = new boolean[0];
public Var[] vars;
private boolean[] erroneousVars;
private Expr aspectInstance;
public ExposedState(int size) {
super();
- vars = new Var[size];
- erroneousVars = new boolean[size];
+ if (size == 0) {
+ vars = Var.NONE;
+ erroneousVars = NO_ERRONEOUS_VARS;
+ } else {
+ vars = new Var[size];
+ erroneousVars = new boolean[size];
+
+ }
}
public ExposedState(Member signature) {
// XXX there maybe something about target for non-static sigs
this(signature.getParameterTypes().length);
expectedVarTypes = new UnresolvedType[signature.getParameterTypes().length];
- if (expectedVarTypes.length>0) {
+ if (expectedVarTypes.length > 0) {
for (int i = 0; i < signature.getParameterTypes().length; i++) {
expectedVarTypes[i] = signature.getParameterTypes()[i];
}
}
-
+
}
-
+
public boolean isFullySetUp() {
for (int i = 0; i < vars.length; i++) {
- if (vars[i]==null) return false;
+ if (vars[i] == null)
+ return false;
}
return true;
}
public void set(int i, Var var) {
// check the type is OK if we can... these are the same rules as in matchesInstanceOf() processing
- if (expectedVarTypes!=null) {
+ if (expectedVarTypes != null) {
ResolvedType expected = expectedVarTypes[i].resolve(var.getType().getWorld());
if (!expected.equals(ResolvedType.OBJECT)) {
if (!expected.isAssignableFrom(var.getType())) {
if (!var.getType().isCoerceableFrom(expected)) {
-// throw new BCException("Expected type "+expectedVarTypes[i]+" in slot "+i+" but attempt to put "+var.getType()+" into it");
+ // throw new
+ // BCException("Expected type "+expectedVarTypes[i]+" in slot "+i+" but attempt to put "+var.getType()+" into it");
return;
}
}
}
vars[i] = var;
}
- public Var get(int i) {
- return vars[i];
- }
- public int size() {
- return vars.length;
- }
- public Expr getAspectInstance() {
- return aspectInstance;
- }
+ public Var get(int i) {
+ return vars[i];
+ }
+
+ public int size() {
+ return vars.length;
+ }
+
+ public Expr getAspectInstance() {
+ return aspectInstance;
+ }
- public void setAspectInstance(Expr aspectInstance) {
- this.aspectInstance = aspectInstance;
- }
+ public void setAspectInstance(Expr aspectInstance) {
+ this.aspectInstance = aspectInstance;
+ }
public String toString() {
- return "ExposedState(#Vars="+vars.length+",Vars=" + Arrays.asList(vars) + ",AspectInstance=" + aspectInstance + ")";
+ return "ExposedState(#Vars=" + vars.length + ",Vars=" + Arrays.asList(vars) + ",AspectInstance=" + aspectInstance + ")";
}
// Set to true if we have reported an error message against it,
// prevents us blowing up in later code gen.
public void setErroneousVar(int formalIndex) {
- erroneousVars[formalIndex]=true;
+ erroneousVars[formalIndex] = true;
}
-
+
public boolean isErroneousVar(int formalIndex) {
return erroneousVars[formalIndex];
}
* ATAJ the name of the formal for which we don't want any warning when unbound since we consider them as implicitly bound. f.e.
* JoinPoint for @AJ advices
*/
- public String[] m_ignoreUnboundBindingForNames = new String[0];
+ public String[] m_ignoreUnboundBindingForNames = EMPTY_STRING_ARRAY;
+
+ public static final String[] EMPTY_STRING_ARRAY = new String[0];
public static final State SYMBOLIC = new State("symbolic", 0);
public static final State RESOLVED = new State("resolved", 1);
protected int lastMatchedShadowId;
private FuzzyBoolean lastMatchedShadowResult;
- private String[] typeVariablesInScope = new String[0];
+ private String[] typeVariablesInScope = EMPTY_STRING_ARRAY;
protected boolean hasBeenParameterized = false;