private TypeBinding getTypeFromSignature(String typeSignature, Scope scope) {
TypeBinding assignableTypeBinding = null;
TypeVariableBinding[] typeVariables = Binding.NO_TYPE_VARIABLES;
ReferenceContext referenceContext = scope.referenceContext();
if (referenceContext instanceof AbstractMethodDeclaration) {
AbstractMethodDeclaration methodDeclaration = (AbstractMethodDeclaration) referenceContext;
TypeParameter[] typeParameters = methodDeclaration.typeParameters();
if (typeParameters != null && typeParameters.length > 0) {
int length = typeParameters.length;
int count = 0;
typeVariables = new TypeVariableBinding[length];
for (int i = 0; i < length; i++) {
if (typeParameters[i].binding != null) {
typeVariables[count++] = typeParameters[i].binding;
}
}
if (count != length) {
System.arraycopy(
typeVariables, 0, typeVariables = new TypeVariableBinding[count], 0, count);
}
}
}
CompilationUnitDeclaration previousUnitBeingCompleted =
this.lookupEnvironment.unitBeingCompleted;
this.lookupEnvironment.unitBeingCompleted = this.compilationUnitDeclaration;
// {ObjectTeams: protect call into the compiler
/* orig:
try {
:giro */
try (Config config =
Dependencies.setup(this, this.parser, this.lookupEnvironment, true, true)) {
// orig:
SignatureWrapper wrapper =
new SignatureWrapper(replacePackagesDot(typeSignature.toCharArray()));
// FIXME(stephan): do we interpret type annotations here?
assignableTypeBinding =
this.lookupEnvironment.getTypeFromTypeSignature(
wrapper,
typeVariables,
this.assistScope.enclosingClassScope().referenceContext.binding,
null,
ITypeAnnotationWalker.EMPTY_ANNOTATION_WALKER);
assignableTypeBinding =
BinaryTypeBinding.resolveType(assignableTypeBinding, this.lookupEnvironment, true);
} catch (AbortCompilation e) {
assignableTypeBinding = null;
} finally {
this.lookupEnvironment.unitBeingCompleted = previousUnitBeingCompleted;
}
return assignableTypeBinding;
}
protected void reportInvalidType(Scope scope) {
// {ObjectTeams: suppress this in role feature bridge (the same will be reported against the
// original, too):
if (scope.isFakeMethod(FakeKind.ROLE_FEATURE_BRIDGE)) {
scope.referenceContext().tagAsHavingErrors();
return;
}
// did we misread an OT keyword as a type reference (during syntax recovery)?
if (!scope.environment().globalOptions.isPureJava) {
char[] token = getLastToken();
for (int j = 0; j < IOTConstants.OT_KEYWORDS.length; j++) {
if (CharOperation.equals(token, IOTConstants.OT_KEYWORDS[j])) {
if (scope.referenceContext().compilationResult().hasErrors())
return; // assume this is a secondary error
}
}
}
// SH}
scope.problemReporter().invalidType(this, this.resolvedType);
}
protected TypeBinding internalResolveType(Scope scope, int location) {
// handle the error here
this.constant = Constant.NotAConstant;
if (this.resolvedType != null) { // is a shared type reference which was already resolved
if (this.resolvedType.isValidBinding()) {
return this.resolvedType;
} else {
switch (this.resolvedType.problemId()) {
case ProblemReasons.NotFound:
case ProblemReasons.NotVisible:
case ProblemReasons.InheritedNameHidesEnclosingName:
TypeBinding type = this.resolvedType.closestMatch();
if (type == null) return null;
return scope
.environment()
.convertToRawType(type, false /*do not force conversion of enclosing types*/);
default:
return null;
}
}
}
boolean hasError;
// {ObjectTeams: don't let SelectionNodeFound(null) prevent alternate searching strategies:
SelectionNodeFound caughtException = null;
TypeBinding type = null;
try {
// base import scope first:
CompilationResult compilationResult = scope.referenceCompilationUnit().compilationResult();
CompilationResult.CheckPoint cp = compilationResult.getCheckPoint(scope.referenceContext());
try {
type =
checkResolveUsingBaseImportScope(
scope, location, false); // apply TOLERATE strategy only as a last resort below
// copied from below:
if (type != null && type.isValidBinding()) {
type =
scope
.environment()
.convertToRawType(type, false /*do not force conversion of enclosing types*/);
if (type.leafComponentType().isRawType()
&& (this.bits & ASTNode.IgnoreRawTypeCheck) == 0
&& scope.compilerOptions().getSeverity(CompilerOptions.RawTypeReference)
!= ProblemSeverities.Ignore) {
scope.problemReporter().rawTypeReference(this, type);
}
return type;
}
} catch (SelectionNodeFound snf) {
if (snf.binding != null) throw snf; // found a valid node.
caughtException = snf;
} finally {
if (caughtException != null || (type == null) || !type.isValidBinding())
compilationResult.rollBack(cp);
}
// ~orig~:
type = this.resolvedType = getTypeBinding(scope);
if (type == null) {
return null; // detected cycle while resolving hierarchy
}
// :~giro~
} catch (SelectionNodeFound snf) {
if (snf.binding != null) throw snf; // found a valid node.
caughtException = snf;
}
// a third chance trying an anchored type:
try {
if ((caughtException != null) || (this.resolvedType.problemId() == ProblemReasons.NotFound)) {
// anchored type
TypeBinding result = resolveAnchoredType(scope);
if (result != null) // did we do any better than before?
type = this.resolvedType = result; // if non-null but ProblemBinding report below.
}
} catch (SelectionNodeFound snf2) {
caughtException = snf2; // throw the newer exception instead.
}
// a forth chance trying a TOLERATED base imported type:
try {
if ((caughtException != null) || (this.resolvedType.problemId() == ProblemReasons.NotFound)) {
if (this.baseclassDecapsulation == DecapsulationState.TOLERATED) {
TypeBinding result = checkResolveUsingBaseImportScope(scope, -1, true);
if (result != null) // did we do any better than before?
type = this.resolvedType = result; // if non-null but ProblemBinding report below.
}
}
} catch (SelectionNodeFound snf2) {
caughtException = snf2; // throw the newer exception instead.
} finally {
// the attempt to prevent an exception failed:
if (caughtException != null) throw caughtException;
}
// SH}
if ((hasError = !type.isValidBinding()) == true) {
reportInvalidType(scope);
switch (type.problemId()) {
case ProblemReasons.NotFound:
case ProblemReasons.NotVisible:
case ProblemReasons.InheritedNameHidesEnclosingName:
type = type.closestMatch();
if (type == null) return null;
break;
default:
return null;
}
}
// {ObjectTeams: Split method to make tail accessible:
return checkResolvedType(type, scope, location, hasError);
}
private void computeVisibleElementBindings() {
CompilationUnitDeclaration previousUnitBeingCompleted =
this.lookupEnvironment.unitBeingCompleted;
this.lookupEnvironment.unitBeingCompleted = this.compilationUnitDeclaration;
try {
this.hasComputedVisibleElementBindings = true;
Scope scope = this.assistScope;
ASTNode astNode = this.assistNode;
boolean notInJavadoc = this.completionContext.javadoc == 0;
this.visibleLocalVariables = new ObjectVector();
this.visibleFields = new ObjectVector();
this.visibleMethods = new ObjectVector();
ReferenceContext referenceContext = scope.referenceContext();
if (referenceContext instanceof AbstractMethodDeclaration
|| referenceContext instanceof LambdaExpression) {
// completion is inside a method body
searchVisibleVariablesAndMethods(
scope,
this.visibleLocalVariables,
this.visibleFields,
this.visibleMethods,
notInJavadoc);
} else if (referenceContext instanceof TypeDeclaration) {
TypeDeclaration typeDeclaration = (TypeDeclaration) referenceContext;
FieldDeclaration[] fields = typeDeclaration.fields;
if (fields != null) {
done:
for (int i = 0; i < fields.length; i++) {
if (fields[i] instanceof Initializer) {
Initializer initializer = (Initializer) fields[i];
if (initializer.block.sourceStart <= astNode.sourceStart
&& astNode.sourceStart < initializer.bodyEnd) {
// completion is inside an initializer
searchVisibleVariablesAndMethods(
scope,
this.visibleLocalVariables,
this.visibleFields,
this.visibleMethods,
notInJavadoc);
break done;
}
} else {
FieldDeclaration fieldDeclaration = fields[i];
if (fieldDeclaration.initialization != null && fieldDeclaration.binding != null) {
boolean isInsideInitializer = false;
if (fieldDeclaration.initialization.sourceEnd > 0) {
if (fieldDeclaration.initialization.sourceStart <= astNode.sourceStart
&& astNode.sourceEnd <= fieldDeclaration.initialization.sourceEnd) {
// completion is inside a field initializer
isInsideInitializer = true;
}
} else { // The sourceEnd may not yet be set
CompletionNodeDetector detector =
new CompletionNodeDetector(this.assistNode, fieldDeclaration.initialization);
if (detector.containsCompletionNode()) {
// completion is inside a field initializer
isInsideInitializer = true;
}
}
if (isInsideInitializer) {
searchVisibleVariablesAndMethods(
scope,
this.visibleLocalVariables,
this.visibleFields,
this.visibleMethods,
notInJavadoc);
// remove this field from visibleFields list because completion is being asked in
// its
// intialization and so this has not yet been declared successfully.
if (this.visibleFields.size > 0
&& this.visibleFields.contains(fieldDeclaration.binding)) {
this.visibleFields.remove(fieldDeclaration.binding);
}
int count = 0;
while (count < this.visibleFields.size) {
FieldBinding visibleField = (FieldBinding) this.visibleFields.elementAt(count);
if (visibleField.id > fieldDeclaration.binding.id) {
this.visibleFields.remove(visibleField);
continue;
}
count++;
}
break done;
}
}
}
}
}
}
} finally {
this.lookupEnvironment.unitBeingCompleted = previousUnitBeingCompleted;
}
}