Example usage for org.eclipse.jdt.internal.compiler.problem AbortCompilation updateContext

List of usage examples for org.eclipse.jdt.internal.compiler.problem AbortCompilation updateContext

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.compiler.problem AbortCompilation updateContext.

Prototype

public void updateContext(ASTNode astNode, CompilationResult unitResult) 

Source Link

Usage

From source file:org.eclipse.jdt.internal.compiler.lookup.Scope.java

License:Open Source License

public Binding getBinding(char[] name, int mask, InvocationSite invocationSite, boolean needResolve) {
    CompilationUnitScope unitScope = compilationUnitScope();
    LookupEnvironment env = unitScope.environment;
    try {/*from  ww  w.  j a va  2 s.com*/
        env.missingClassFileLocation = invocationSite;
        Binding binding = null;
        FieldBinding problemField = null;
        if ((mask & Binding.VARIABLE) != 0) {
            boolean insideStaticContext = false;
            boolean insideConstructorCall = false;
            boolean insideTypeAnnotation = false;

            FieldBinding foundField = null;
            // can be a problem field which is answered if a valid field is not found
            ProblemFieldBinding foundInsideProblem = null;
            // inside Constructor call or inside static context
            Scope scope = this;
            int depth = 0;
            int foundDepth = 0;
            ReferenceBinding foundActualReceiverType = null;
            done: while (true) { // done when a COMPILATION_UNIT_SCOPE is found
                switch (scope.kind) {
                case METHOD_SCOPE:
                    MethodScope methodScope = (MethodScope) scope;
                    insideStaticContext |= methodScope.isStatic;
                    insideConstructorCall |= methodScope.isConstructorCall;
                    insideTypeAnnotation = methodScope.insideTypeAnnotation;

                    //$FALL-THROUGH$ could duplicate the code below to save a cast - questionable optimization
                case BLOCK_SCOPE:
                    LocalVariableBinding variableBinding = scope.findVariable(name);
                    // looks in this scope only
                    if (variableBinding != null) {
                        if (foundField != null && foundField.isValidBinding())
                            return new ProblemFieldBinding(foundField, // closest match
                                    foundField.declaringClass, name,
                                    ProblemReasons.InheritedNameHidesEnclosingName);
                        if (depth > 0)
                            invocationSite.setDepth(depth);
                        return variableBinding;
                    }
                    break;
                case CLASS_SCOPE:
                    ClassScope classScope = (ClassScope) scope;
                    ReferenceBinding receiverType = classScope.enclosingReceiverType();
                    if (!insideTypeAnnotation) {
                        FieldBinding fieldBinding = classScope.findField(receiverType, name, invocationSite,
                                needResolve);
                        // Use next line instead if willing to enable protected access accross inner types
                        // FieldBinding fieldBinding = findField(enclosingType, name, invocationSite);

                        if (fieldBinding != null) { // skip it if we did not find anything
                            if (fieldBinding.problemId() == ProblemReasons.Ambiguous) {
                                if (foundField == null || foundField.problemId() == ProblemReasons.NotVisible)
                                    // supercedes any potential InheritedNameHidesEnclosingName problem
                                    return fieldBinding;
                                // make the user qualify the field, likely wants the first inherited field (javac generates an ambiguous error instead)
                                return new ProblemFieldBinding(foundField, // closest match
                                        foundField.declaringClass, name,
                                        ProblemReasons.InheritedNameHidesEnclosingName);
                            }

                            ProblemFieldBinding insideProblem = null;
                            if (fieldBinding.isValidBinding()) {
                                if (!fieldBinding.isStatic()) {
                                    if (insideConstructorCall) {
                                        insideProblem = new ProblemFieldBinding(fieldBinding, // closest match
                                                fieldBinding.declaringClass, name,
                                                ProblemReasons.NonStaticReferenceInConstructorInvocation);
                                    } else if (insideStaticContext) {
                                        insideProblem = new ProblemFieldBinding(fieldBinding, // closest match
                                                fieldBinding.declaringClass, name,
                                                ProblemReasons.NonStaticReferenceInStaticContext);
                                    }
                                }
                                if (receiverType == fieldBinding.declaringClass
                                        || compilerOptions().complianceLevel >= ClassFileConstants.JDK1_4) {
                                    // found a valid field in the 'immediate' scope (i.e. not inherited)
                                    // OR in 1.4 mode (inherited shadows enclosing)
                                    if (foundField == null) {
                                        if (depth > 0) {
                                            invocationSite.setDepth(depth);
                                            invocationSite.setActualReceiverType(receiverType);
                                        }
                                        // return the fieldBinding if it is not declared in a superclass of the scope's binding (that is, inherited)
                                        return insideProblem == null ? fieldBinding : insideProblem;
                                    }
                                    if (foundField.isValidBinding())
                                        // if a valid field was found, complain when another is found in an 'immediate' enclosing type (that is, not inherited)
                                        // but only if "valid field" was inherited in the first place.
                                        if (foundField.declaringClass != fieldBinding.declaringClass
                                                && foundField.declaringClass != foundActualReceiverType) // https://bugs.eclipse.org/bugs/show_bug.cgi?id=316956
                                            // i.e. have we found the same field - do not trust field identity yet
                                            return new ProblemFieldBinding(foundField, // closest match
                                                    foundField.declaringClass, name,
                                                    ProblemReasons.InheritedNameHidesEnclosingName);
                                }
                            }

                            if (foundField == null || (foundField.problemId() == ProblemReasons.NotVisible
                                    && fieldBinding.problemId() != ProblemReasons.NotVisible)) {
                                // only remember the fieldBinding if its the first one found or the previous one was not visible & fieldBinding is...
                                foundDepth = depth;
                                foundActualReceiverType = receiverType;
                                foundInsideProblem = insideProblem;
                                foundField = fieldBinding;
                            }
                        }
                    }
                    insideTypeAnnotation = false;
                    depth++;
                    insideStaticContext |= receiverType.isStatic();
                    // 1EX5I8Z - accessing outer fields within a constructor call is permitted
                    // in order to do so, we change the flag as we exit from the type, not the method
                    // itself, because the class scope is used to retrieve the fields.
                    MethodScope enclosingMethodScope = scope.methodScope();
                    insideConstructorCall = enclosingMethodScope == null ? false
                            : enclosingMethodScope.isConstructorCall;
                    break;
                case COMPILATION_UNIT_SCOPE:
                    break done;
                }
                scope = scope.parent;
            }

            if (foundInsideProblem != null)
                return foundInsideProblem;
            if (foundField != null) {
                if (foundField.isValidBinding()) {
                    if (foundDepth > 0) {
                        invocationSite.setDepth(foundDepth);
                        invocationSite.setActualReceiverType(foundActualReceiverType);
                    }
                    return foundField;
                }
                problemField = foundField;
                foundField = null;
            }

            if (compilerOptions().sourceLevel >= ClassFileConstants.JDK1_5) {
                // at this point the scope is a compilation unit scope & need to check for imported static fields
                unitScope.faultInImports(); // ensure static imports are resolved
                ImportBinding[] imports = unitScope.imports;
                if (imports != null) {
                    // check single static imports
                    for (int i = 0, length = imports.length; i < length; i++) {
                        ImportBinding importBinding = imports[i];
                        if (importBinding.isStatic() && !importBinding.onDemand) {
                            if (CharOperation.equals(
                                    importBinding.compoundName[importBinding.compoundName.length - 1], name)) {
                                if (unitScope.resolveSingleImport(importBinding,
                                        Binding.TYPE | Binding.FIELD | Binding.METHOD) != null
                                        && importBinding.resolvedImport instanceof FieldBinding) {
                                    foundField = (FieldBinding) importBinding.resolvedImport;
                                    ImportReference importReference = importBinding.reference;
                                    if (importReference != null && needResolve) {
                                        importReference.bits |= ASTNode.Used;
                                    }
                                    invocationSite.setActualReceiverType(foundField.declaringClass);
                                    if (foundField.isValidBinding()) {
                                        return foundField;
                                    }
                                    if (problemField == null)
                                        problemField = foundField;
                                }
                            }
                        }
                    }
                    // check on demand imports
                    boolean foundInImport = false;
                    for (int i = 0, length = imports.length; i < length; i++) {
                        ImportBinding importBinding = imports[i];
                        if (importBinding.isStatic() && importBinding.onDemand) {
                            Binding resolvedImport = importBinding.resolvedImport;
                            if (resolvedImport instanceof ReferenceBinding) {
                                FieldBinding temp = findField((ReferenceBinding) resolvedImport, name,
                                        invocationSite, needResolve);
                                if (temp != null) {
                                    if (!temp.isValidBinding()) {
                                        if (problemField == null)
                                            problemField = temp;
                                    } else if (temp.isStatic()) {
                                        if (foundField == temp)
                                            continue;
                                        ImportReference importReference = importBinding.reference;
                                        if (importReference != null && needResolve) {
                                            importReference.bits |= ASTNode.Used;
                                        }
                                        if (foundInImport)
                                            // Answer error binding -- import on demand conflict; name found in two import on demand packages.
                                            return new ProblemFieldBinding(foundField, // closest match
                                                    foundField.declaringClass, name, ProblemReasons.Ambiguous);
                                        foundField = temp;
                                        foundInImport = true;
                                    }
                                }
                            }
                        }
                    }
                    if (foundField != null) {
                        invocationSite.setActualReceiverType(foundField.declaringClass);
                        return foundField;
                    }
                }
            }
        }

        // We did not find a local or instance variable.
        if ((mask & Binding.TYPE) != 0) {
            if ((binding = getBaseType(name)) != null)
                return binding;
            binding = getTypeOrPackage(name,
                    (mask & Binding.PACKAGE) == 0 ? Binding.TYPE : Binding.TYPE | Binding.PACKAGE, needResolve);
            if (binding.isValidBinding() || mask == Binding.TYPE)
                return binding;
            // answer the problem type binding if we are only looking for a type
        } else if ((mask & Binding.PACKAGE) != 0) {
            unitScope.recordSimpleReference(name);
            if ((binding = env.getTopLevelPackage(name)) != null)
                return binding;
        }
        if (problemField != null)
            return problemField;
        if (binding != null && binding.problemId() != ProblemReasons.NotFound)
            return binding; // answer the better problem binding
        return new ProblemBinding(name, enclosingSourceType(), ProblemReasons.NotFound);
    } catch (AbortCompilation e) {
        e.updateContext(invocationSite, referenceCompilationUnit().compilationResult);
        throw e;
    } finally {
        env.missingClassFileLocation = null;
    }
}

From source file:org.eclipse.jdt.internal.compiler.lookup.Scope.java

License:Open Source License

public MethodBinding getConstructor(ReferenceBinding receiverType, TypeBinding[] argumentTypes,
        InvocationSite invocationSite) {
    CompilationUnitScope unitScope = compilationUnitScope();
    LookupEnvironment env = unitScope.environment;
    try {/*from  ww  w.j a va2s  .co m*/
        env.missingClassFileLocation = invocationSite;
        unitScope.recordTypeReference(receiverType);
        unitScope.recordTypeReferences(argumentTypes);
        MethodBinding methodBinding = receiverType.getExactConstructor(argumentTypes);
        if (methodBinding != null && methodBinding.canBeSeenBy(invocationSite, this)) {
            // targeting a non generic constructor with type arguments ?
            if (invocationSite.genericTypeArguments() != null)
                methodBinding = computeCompatibleMethod(methodBinding, argumentTypes, invocationSite);
            return methodBinding;
        }
        MethodBinding[] methods = receiverType.getMethods(TypeConstants.INIT, argumentTypes.length);
        if (methods == Binding.NO_METHODS)
            return new ProblemMethodBinding(TypeConstants.INIT, argumentTypes, ProblemReasons.NotFound);

        MethodBinding[] compatible = new MethodBinding[methods.length];
        int compatibleIndex = 0;
        MethodBinding problemMethod = null;
        for (int i = 0, length = methods.length; i < length; i++) {
            MethodBinding compatibleMethod = computeCompatibleMethod(methods[i], argumentTypes, invocationSite);
            if (compatibleMethod != null) {
                if (compatibleMethod.isValidBinding())
                    compatible[compatibleIndex++] = compatibleMethod;
                else if (problemMethod == null)
                    problemMethod = compatibleMethod;
            }
        }
        if (compatibleIndex == 0) {
            if (problemMethod == null)
                return new ProblemMethodBinding(methods[0], TypeConstants.INIT, argumentTypes,
                        ProblemReasons.NotFound);
            return problemMethod;
        }
        // need a more descriptive error... cannot convert from X to Y

        MethodBinding[] visible = new MethodBinding[compatibleIndex];
        int visibleIndex = 0;
        for (int i = 0; i < compatibleIndex; i++) {
            MethodBinding method = compatible[i];
            if (method.canBeSeenBy(invocationSite, this))
                visible[visibleIndex++] = method;
        }
        if (visibleIndex == 1)
            return visible[0];
        if (visibleIndex == 0)
            return new ProblemMethodBinding(compatible[0], TypeConstants.INIT, compatible[0].parameters,
                    ProblemReasons.NotVisible);
        // all of visible are from the same declaringClass, even before 1.4 we can call this method instead of mostSpecificClassMethodBinding
        return mostSpecificMethodBinding(visible, visibleIndex, argumentTypes, invocationSite, receiverType);
    } catch (AbortCompilation e) {
        e.updateContext(invocationSite, referenceCompilationUnit().compilationResult);
        throw e;
    } finally {
        env.missingClassFileLocation = null;
    }
}

From source file:org.eclipse.jdt.internal.compiler.lookup.Scope.java

License:Open Source License

public FieldBinding getField(TypeBinding receiverType, char[] fieldName, InvocationSite invocationSite) {
    LookupEnvironment env = environment();
    try {/*from   w w  w.  j  av  a  2  s .c  om*/
        env.missingClassFileLocation = invocationSite;
        FieldBinding field = findField(receiverType, fieldName, invocationSite, true /*resolve*/);
        if (field != null)
            return field;

        return new ProblemFieldBinding(
                receiverType instanceof ReferenceBinding ? (ReferenceBinding) receiverType : null, fieldName,
                ProblemReasons.NotFound);
    } catch (AbortCompilation e) {
        e.updateContext(invocationSite, referenceCompilationUnit().compilationResult);
        throw e;
    } finally {
        env.missingClassFileLocation = null;
    }
}

From source file:org.eclipse.jdt.internal.compiler.lookup.Scope.java

License:Open Source License

public MethodBinding getMethod(TypeBinding receiverType, char[] selector, TypeBinding[] argumentTypes,
        InvocationSite invocationSite) {
    CompilationUnitScope unitScope = compilationUnitScope();
    LookupEnvironment env = unitScope.environment;
    try {//from  w  ww . j  a  va  2s.  c  o  m
        env.missingClassFileLocation = invocationSite;
        switch (receiverType.kind()) {
        case Binding.BASE_TYPE:
            return new ProblemMethodBinding(selector, argumentTypes, ProblemReasons.NotFound);
        case Binding.ARRAY_TYPE:
            unitScope.recordTypeReference(receiverType);
            return findMethodForArray((ArrayBinding) receiverType, selector, argumentTypes, invocationSite);
        }
        unitScope.recordTypeReference(receiverType);

        ReferenceBinding currentType = (ReferenceBinding) receiverType;
        if (!currentType.canBeSeenBy(this))
            return new ProblemMethodBinding(selector, argumentTypes, ProblemReasons.ReceiverTypeNotVisible);

        // retrieve an exact visible match (if possible)
        MethodBinding methodBinding = findExactMethod(currentType, selector, argumentTypes, invocationSite);
        if (methodBinding != null)
            return methodBinding;

        methodBinding = findMethod(currentType, selector, argumentTypes, invocationSite);
        // GROOVY start: give it one more chance as the ast transform may have introduced it
        // is this the right approach?  Requires ast transforms running before this is done
        if (methodBinding == null) {
            methodBinding = oneLastLook(currentType, selector, argumentTypes, invocationSite);
        }
        // GROOVY end
        if (methodBinding == null)
            return new ProblemMethodBinding(selector, argumentTypes, ProblemReasons.NotFound);
        if (!methodBinding.isValidBinding())
            return methodBinding;

        // special treatment for Object.getClass() in 1.5 mode (substitute parameterized return type)
        if (argumentTypes == Binding.NO_PARAMETERS && CharOperation.equals(selector, TypeConstants.GETCLASS)
                && methodBinding.returnType.isParameterizedType()/*1.5*/) {
            return environment().createGetClassMethod(receiverType, methodBinding, this);
        }
        return methodBinding;
    } catch (AbortCompilation e) {
        e.updateContext(invocationSite, referenceCompilationUnit().compilationResult);
        throw e;
    } finally {
        env.missingClassFileLocation = null;
    }
}

From source file:org.eclipse.objectteams.otdt.internal.core.compiler.model.TypeModel.java

License:Open Source License

/**
 * Some attributes can only be evaluated after translation reaches a specific state
 *   at end of FAULT_IN_TYPES://from  www . ja v  a2 s .  c o  m
 *       CallinMethodMappingAttribute, CalloutMethodMappingAttribute
 *    task of LATE_ATTRIBUTES_EVALUATED:
 *       CopyInheritanceSrc (roles)
 *       CallinPrecedence (teams)
 */
public void evaluateLateAttributes(int state) {
    try {
        try {
            if (this._binding != null && this._binding.isBinaryBinding()) {
                if (this._attributes != null) {
                    for (int i = 0; i < this._attributes.length; i++) {
                        this._attributes[i].evaluateLateAttribute(this._binding, state);
                    }
                }
            }
        } catch (AbortCompilation ac) {
            // abort may e.g. happen if a binary tsuper role is inconsistent.
            TypeDeclaration type = this._ast;
            if (type == null) {
                ReferenceBinding enclosing = this._binding.enclosingType();
                if (enclosing != null && !enclosing.isBinaryBinding())
                    type = enclosing.model.getAst();
            }
            if (type != null)
                ac.updateContext(type, type.compilationResult);
            throw ac;
        }
        if (this._binding != null) {
            ReferenceBinding[] memberTypes = this._binding.memberTypes();
            if (memberTypes != null) {
                for (int i = 0; i < memberTypes.length; i++) {
                    ModelElement.evaluateLateAttributes(memberTypes[i], state);
                }
            }
        }
    } finally {
        // don't advance the state when working on behalf of another state
        if (state == ITranslationStates.STATE_LATE_ATTRIBUTES_EVALUATED)
            setState(ITranslationStates.STATE_LATE_ATTRIBUTES_EVALUATED);
    }
}