public void visit(HasAnnotation hasAnnotation) {
ReflectionVar v = (ReflectionVar) hasAnnotation.getVar();
Object value = v.getBindingAtJoinPoint(thisObject, targetObject, args);
World world = v.getType().getWorld();
ResolvedType actualVarType = world.resolve(value.getClass().getName());
ResolvedType requiredAnnotationType = hasAnnotation.getAnnotationType().resolve(world);
matches = actualVarType.hasAnnotation(requiredAnnotationType);
}
private static FuzzyBoolean inStar(
final TypePattern[] pattern,
ResolvableTypeList target,
int pi,
int ti,
final int pLeft,
int tLeft,
int starsLeft,
TypePattern.MatchKind kind,
ResolvedType[][] parameterAnnotations) {
// invariant: pLeft > 0, so we know we'll run out of stars and find a real char in pattern
TypePattern patternChar = pattern[pi];
while (patternChar == TypePattern.ELLIPSIS) {
starsLeft--;
patternChar = pattern[++pi];
}
while (true) {
// invariant: if (tLeft > 0) then (ti < target.length)
if (pLeft > tLeft) {
return FuzzyBoolean.NO;
}
ResolvedType type = target.getResolved(ti);
FuzzyBoolean ff = null;
try {
if (parameterAnnotations != null) {
type.temporaryAnnotationTypes = parameterAnnotations[ti];
}
ff = patternChar.matches(type, kind);
} finally {
type.temporaryAnnotationTypes = null;
}
if (ff.maybeTrue()) {
FuzzyBoolean xx =
outOfStar(
pattern,
target,
pi + 1,
ti + 1,
pLeft - 1,
tLeft - 1,
starsLeft,
kind,
parameterAnnotations);
if (xx.maybeTrue()) {
return ff.and(xx);
}
}
ti++;
tLeft--;
}
}
public void visit(Instanceof instanceofTest) {
ReflectionVar v = (ReflectionVar) instanceofTest.getVar();
Object value = v.getBindingAtJoinPoint(thisObject, targetObject, args);
World world = v.getType().getWorld();
ResolvedType desiredType = instanceofTest.getType().resolve(world);
if (value == null) {
matches = false;
} else {
ResolvedType actualType = world.resolve(value.getClass().getName());
matches = desiredType.isAssignableFrom(actualType);
}
}
private static FuzzyBoolean outOfStar(
final TypePattern[] pattern,
ResolvableTypeList target,
int pi,
int ti,
int pLeft,
int tLeft,
final int starsLeft,
TypePattern.MatchKind kind,
ResolvedType[][] parameterAnnotations) {
if (pLeft > tLeft) {
return FuzzyBoolean.NO;
}
FuzzyBoolean finalReturn = FuzzyBoolean.YES;
while (true) {
// invariant: if (tLeft > 0) then (ti < target.length && pi < pattern.length)
if (tLeft == 0) {
return finalReturn;
}
if (pLeft == 0) {
if (starsLeft > 0) {
return finalReturn;
} else {
return FuzzyBoolean.NO;
}
}
if (pattern[pi] == TypePattern.ELLIPSIS) {
return inStar(
pattern, target, pi + 1, ti, pLeft, tLeft, starsLeft - 1, kind, parameterAnnotations);
}
FuzzyBoolean ret = null;
ResolvedType type = target.getResolved(ti);
try {
if (parameterAnnotations != null) {
type.temporaryAnnotationTypes = parameterAnnotations[ti];
}
ret = pattern[pi].matches(type, kind);
} finally {
type.temporaryAnnotationTypes = null;
}
if (ret == FuzzyBoolean.NO) {
return ret;
}
if (ret == FuzzyBoolean.MAYBE) {
finalReturn = ret;
}
pi++;
ti++;
pLeft--;
tLeft--;
}
}
public List<UnresolvedType> getExactTypes() {
List<UnresolvedType> ret = new ArrayList<UnresolvedType>();
for (int i = 0; i < typePatterns.length; i++) {
UnresolvedType t = typePatterns[i].getExactType();
if (!ResolvedType.isMissing(t)) {
ret.add(t);
}
}
return ret;
}
public FuzzyBoolean matches(
ResolvableTypeList types, TypePattern.MatchKind kind, ResolvedType[][] parameterAnnotations) {
int nameLength = types.length;
int patternLength = typePatterns.length;
int nameIndex = 0;
int patternIndex = 0;
if (ellipsisCount == 0) {
if (nameLength != patternLength) {
return FuzzyBoolean.NO;
}
FuzzyBoolean finalReturn = FuzzyBoolean.YES;
while (patternIndex < patternLength) {
ResolvedType t = types.getResolved(nameIndex);
FuzzyBoolean ret = null;
try {
if (parameterAnnotations != null) {
t.temporaryAnnotationTypes = parameterAnnotations[nameIndex];
}
ret = typePatterns[patternIndex].matches(t, kind);
} finally {
t.temporaryAnnotationTypes = null;
}
patternIndex++;
nameIndex++;
if (ret == FuzzyBoolean.NO) {
return ret;
}
if (ret == FuzzyBoolean.MAYBE) {
finalReturn = ret;
}
}
return finalReturn;
} else if (ellipsisCount == 1) {
if (nameLength < patternLength - 1) {
return FuzzyBoolean.NO;
}
FuzzyBoolean finalReturn = FuzzyBoolean.YES;
while (patternIndex < patternLength) {
TypePattern p = typePatterns[patternIndex++];
if (p == TypePattern.ELLIPSIS) {
nameIndex = nameLength - (patternLength - patternIndex);
} else {
ResolvedType t = types.getResolved(nameIndex);
FuzzyBoolean ret = null;
try {
if (parameterAnnotations != null) {
t.temporaryAnnotationTypes = parameterAnnotations[nameIndex];
}
ret = p.matches(t, kind);
} finally {
t.temporaryAnnotationTypes = null;
}
nameIndex++;
if (ret == FuzzyBoolean.NO) {
return ret;
}
if (ret == FuzzyBoolean.MAYBE) {
finalReturn = ret;
}
}
}
return finalReturn;
} else {
// System.err.print("match(" + arguments + ", " + types + ") -> ");
FuzzyBoolean b =
outOfStar(
typePatterns,
types,
0,
0,
patternLength - ellipsisCount,
nameLength,
ellipsisCount,
kind,
parameterAnnotations);
// System.err.println(b);
return b;
}
}
private String stringify(ResolvedType resolvedAnnotationType) {
return "@" + resolvedAnnotationType.getSimpleName();
}