private void checkVariable(Tree.Term term, Node node) {
if (isEffectivelyBaseMemberExpression(term)) { // Note: other cases handled in ExpressionVisitor
Tree.StaticMemberOrTypeExpression mte = (Tree.StaticMemberOrTypeExpression) term;
Declaration member = mte.getDeclaration();
if (member == declaration) {
if ((declaration.isFormal() || declaration.isDefault()) && !isForwardReferenceable()) {
term.addError(
"member is formal or default and may not be assigned here: '"
+ member.getName()
+ "'");
} else if (!isVariable() && !isLate()) {
if (member instanceof Value) {
if (node instanceof Tree.AssignOp) {
term.addError(
"value is not a variable and may not be assigned here: '"
+ member.getName()
+ "'",
803);
} else {
term.addError("value is not a variable: '" + member.getName() + "'", 800);
}
} else {
term.addError("not a variable value: '" + member.getName() + "'");
}
}
}
}
}
@Override
public void visit(Tree.AttributeDeclaration that) {
if (that.getDeclarationModel() == declaration) {
Tree.SpecifierOrInitializerExpression sie = that.getSpecifierOrInitializerExpression();
if (sie != null) {
super.visit(that);
specify();
} else {
super.visit(that);
if (declaration.isToplevel() && !isNativeHeader(declaration) && !isLate()) {
if (isVariable()) {
that.addError(
"toplevel variable value must be initialized: '" + declaration.getName() + "'");
} else {
that.addError("toplevel value must be specified: '" + declaration.getName() + "'");
}
} else if (declaration.isClassOrInterfaceMember()
&& !isNativeHeader(declaration)
&& !declaration.isFormal()
&& that.getDeclarationModel().getInitializerParameter() == null
&& !that.getDeclarationModel().isLate()
&& declarationSection) {
that.addError(
"forward declaration may not occur in declaration section: '"
+ declaration.getName()
+ "'",
1450);
}
}
} else {
super.visit(that);
}
}
private boolean hidesToplevel(Declaration dec) {
for (Declaration d : unit.getDeclarations()) {
String n = d.getName();
if (d.isToplevel() && n != null && dec.getName().equals(n)) {
return true;
}
}
return false;
}
private void checkAliasCase(Tree.Alias alias, Declaration d) {
if (alias != null) {
Tree.Identifier id = alias.getIdentifier();
int tt = id.getToken().getType();
if (d instanceof TypeDeclaration && tt != CeylonLexer.UIDENTIFIER) {
id.addError("imported type should have uppercase alias: '" + d.getName() + "'");
} else if (d instanceof TypedDeclaration && tt != CeylonLexer.LIDENTIFIER) {
id.addError("imported member should have lowercase alias: '" + d.getName() + "'");
}
}
}
private void importAllMembers(
Package importedPackage, Set<String> ignoredMembers, ImportList il) {
for (Declaration dec : importedPackage.getMembers()) {
if (dec.isShared()
&& isResolvable(dec)
&& !ignoredMembers.contains(dec.getName())
&& !isNonimportable(importedPackage, dec.getName())) {
addWildcardImport(il, dec);
}
}
}
public static Declaration getRefinedDeclaration(Declaration declaration) {
// Reproduces the algorithm used to build the type hierarchy
// first walk up the superclass hierarchy
if (declaration.isClassOrInterfaceMember() && declaration.isShared()) {
TypeDeclaration dec = (TypeDeclaration) declaration.getContainer();
List<Type> signature = getSignature(declaration);
Declaration refined = declaration.getRefinedDeclaration();
while (dec != null) {
Type extended = dec.getExtendedType();
if (extended != null) {
TypeDeclaration superDec = extended.getDeclaration();
Declaration superMemberDec =
superDec.getDirectMember(declaration.getName(), signature, false);
if (superMemberDec != null) {
Declaration superRefined = superMemberDec.getRefinedDeclaration();
if (superRefined != null
&& refined != null
&& !isAbstraction(superMemberDec)
&& superRefined.equals(refined)) {
return superMemberDec;
}
}
dec = superDec;
} else {
dec = null;
}
}
// now look at the very top of the hierarchy, even if it is an interface
Declaration refinedDeclaration = refined;
if (refinedDeclaration != null && !declaration.equals(refinedDeclaration)) {
List<Declaration> directlyInheritedMembers =
getInterveningRefinements(
declaration.getName(),
signature,
refinedDeclaration,
(TypeDeclaration) declaration.getContainer(),
(TypeDeclaration) refinedDeclaration.getContainer());
directlyInheritedMembers.remove(refinedDeclaration);
// TODO: do something for the case of
// multiple intervening interfaces?
if (directlyInheritedMembers.size() == 1) {
// exactly one intervening interface
return directlyInheritedMembers.get(0);
} else {
// no intervening interfaces
return refinedDeclaration;
}
}
}
return null;
}
public static String getImportText(
Set<String> packages, Map<Declaration, String> imports, String delim) {
StringBuilder sb = new StringBuilder();
for (String p : packages) {
if (p.isEmpty()) {
// can't import from default package
continue;
}
sb.append("import ").append(p).append(" {").append(delim);
boolean first = true;
for (Map.Entry<Declaration, String> e : imports.entrySet()) {
Declaration d = e.getKey();
String pn = d.getUnit().getPackage().getQualifiedNameString();
if (pn.equals(p)) {
if (!first) {
sb.append(",").append(delim);
}
sb.append(getDefaultIndent());
String name = d.getName();
String alias = e.getValue();
if (!name.equals(alias)) {
sb.append(alias).append("=");
}
sb.append(name);
first = false;
}
}
sb.append(delim).append("}").append(delim);
}
return sb.toString();
}
@Override
public boolean getEnabled() {
return declaration instanceof Declaration
&& declaration.getName() != null
&& project != null
&& (inSameProject(declaration) || inSameUnit());
}
private void addRemoval(Tree.Identifier id, Declaration d) {
if (id != null
&& d != null
&& dec.equals(getAbstraction(d))
&& id.getText().equals(aid.getText())) {
change.addEdit(new ReplaceEdit(id.getStartIndex(), id.getDistance(), dec.getName()));
}
}
private void addWildcardImport(ImportList il, Declaration dec) {
if (!hidesToplevel(dec)) {
Import i = new Import();
i.setAlias(dec.getName());
i.setDeclaration(dec);
i.setWildcardImport(true);
addWildcardImport(il, dec, i);
}
}
static String getDescription(Declaration dec) {
String desc = "'" + dec.getName() + "'";
Scope container = dec.getContainer();
if (container instanceof TypeDeclaration) {
TypeDeclaration td = (TypeDeclaration) container;
desc += " in '" + td.getName() + "'";
}
return desc;
}
@Override
public void visit(Tree.DocLink that) {
super.visit(that);
// TODO: copy/paste from EnterAliasRefactoring
Declaration base = that.getBase();
if (base != null && dec.equals(base)) {
Region region = DocLinks.nameRegion(that, 0);
change.addEdit(new ReplaceEdit(region.getOffset(), region.getLength(), dec.getName()));
}
}
public RenameRefactoring(IEditorPart editor) {
super(editor);
boolean identifiesDeclaration =
node instanceof Tree.DocLink || getIdentifyingNode(node) instanceof Tree.Identifier;
if (rootNode != null && identifiesDeclaration) {
Referenceable refDec = getReferencedExplicitDeclaration(node, rootNode);
if (refDec instanceof Declaration) {
Declaration dec = (Declaration) refDec;
declaration = dec.getRefinedDeclaration();
newName = declaration.getName();
String filename = declaration.getUnit().getFilename();
renameFile = (declaration.getName() + ".ceylon").equals(filename);
} else {
declaration = null;
}
} else {
declaration = null;
}
}
private void importAllMembers(
TypeDeclaration importedType, Set<String> ignoredMembers, ImportList til) {
for (Declaration dec : importedType.getMembers()) {
if (dec.isShared()
&& (dec.isStaticallyImportable() || isConstructor(dec))
&& isResolvable(dec)
&& !ignoredMembers.contains(dec.getName())) {
addWildcardImport(til, dec, importedType);
}
}
}
protected void renameIdentifier(TextChange tfc, Tree.Identifier id, Tree.CompilationUnit root) {
String name = declaration.getName();
int loc = id.getText().indexOf(name);
int start = id.getStartIndex();
int len = id.getDistance();
if (loc > 0) {
tfc.addEdit(new ReplaceEdit(start + loc, name.length(), newName));
} else {
tfc.addEdit(new ReplaceEdit(start, len, escaping_.get_().toInitialLowercase(newName)));
}
}
@Override
public void visit(Tree.MethodDeclaration that) {
if (that.getDeclarationModel() == declaration) {
if (that.getSpecifierExpression() != null) {
specify();
super.visit(that);
} else {
super.visit(that);
if (declaration.isToplevel() && !isNativeHeader(declaration)) {
that.addError(
"toplevel function must be specified: '"
+ declaration.getName()
+ "' may not be forward declared");
} else if (declaration.isClassMember()
&& !isNativeHeader(declaration)
&& isInNativeContainer(declaration)) {
that.addError(
"member in native container must be native: '" + declaration.getName() + "'", 1450);
} else if (declaration.isClassMember()
&& !isNativeHeader(declaration)
&& !declaration.isFormal()
&& that.getDeclarationModel().getInitializerParameter() == null
&& declarationSection) {
that.addError(
"forward declaration may not occur in declaration section: '"
+ declaration.getName()
+ "'",
1450);
} else if (declaration.isInterfaceMember()
&& !isNativeHeader(declaration)
&& !declaration.isFormal()) {
that.addError(
"interface method must be formal or specified: '" + declaration.getName() + "'",
1400);
}
}
} else {
super.visit(that);
}
}
private Referenceable resolveNative(
Referenceable referenceable, Declaration dec, Backends backends) {
Unit unit = dec.getUnit();
Scope containerToSearchHeaderIn = null;
if (unit instanceof CeylonBinaryUnit) {
CeylonBinaryUnit binaryUnit = (CeylonBinaryUnit) unit;
ExternalPhasedUnit phasedUnit = binaryUnit.getPhasedUnit();
if (phasedUnit != null) {
ExternalSourceFile sourceFile = phasedUnit.getUnit();
if (sourceFile != null) {
String sourceRelativePath =
toJavaString(
binaryUnit
.getCeylonModule()
.toSourceUnitRelativePath(toCeylonString(unit.getRelativePath())));
if (sourceRelativePath != null && sourceRelativePath.endsWith(".ceylon")) {
for (Declaration sourceDecl : sourceFile.getDeclarations()) {
if (sourceDecl.equals(dec)) {
containerToSearchHeaderIn = sourceDecl.getContainer();
break;
}
}
} else {
for (Declaration sourceDecl : sourceFile.getDeclarations()) {
if (sourceDecl.getQualifiedNameString().equals(dec.getQualifiedNameString())) {
containerToSearchHeaderIn = sourceDecl.getContainer();
break;
}
}
}
}
}
} else {
containerToSearchHeaderIn = dec.getContainer();
}
if (containerToSearchHeaderIn != null) {
Declaration headerDeclaration = getNativeHeader(containerToSearchHeaderIn, dec.getName());
if (headerDeclaration == null || !headerDeclaration.isNative()) return null;
if (backends.header()) {
referenceable = headerDeclaration;
} else {
if (headerDeclaration != null) {
referenceable = getNativeDeclaration(headerDeclaration, supportedBackends());
}
}
}
return referenceable;
}
private void addWildcardImport(ImportList il, Declaration dec, Import i) {
if (notOverloaded(dec)) {
String alias = i.getAlias();
if (alias != null) {
Import o = unit.getImport(dec.getName());
if (o != null && o.isWildcardImport()) {
if (o.getDeclaration().equals(dec) || dec.isNativeHeader()) {
// this case only happens in the IDE,
// due to reuse of the Unit
unit.getImports().remove(o);
il.getImports().remove(o);
} else if (!dec.isNative()) {
i.setAmbiguous(true);
o.setAmbiguous(true);
}
}
unit.getImports().add(i);
il.getImports().add(i);
}
}
}
private static void addImport(
String targetPackage, Declaration dec, Tree.CompilationUnit cu, TextChange tc) {
String name = dec.getName();
String delim = getDefaultLineDelimiter(getDocument(tc));
String indent = getDefaultIndent();
boolean foundMoved = false;
Tree.ImportList il = cu.getImportList();
for (Tree.Import i : il.getImports()) {
Referenceable model = i.getImportPath().getModel();
if (model != null) {
if (model.getNameAsString().equals(targetPackage)) {
Tree.ImportMemberOrTypeList imtl = i.getImportMemberOrTypeList();
if (imtl != null) {
String addition;
int offset;
List<Tree.ImportMemberOrType> imts = imtl.getImportMemberOrTypes();
if (imts.isEmpty()) {
offset = getNodeStartOffset(imtl) + 1;
addition = delim + indent + name;
int len = getNodeLength(imtl);
if (len == 2) {
addition += delim;
}
} else {
offset = getNodeEndOffset(imts.get(imts.size() - 1));
addition = "," + delim + indent + name;
}
// TODO: the alias!
tc.addEdit(new InsertEdit(offset, addition));
foundMoved = true;
}
break;
}
}
}
if (!foundMoved) {
String text = "import " + targetPackage + " {" + delim + indent + name + delim + "}" + delim;
tc.addEdit(new InsertEdit(0, text));
}
}
private boolean checkForHiddenToplevel(Tree.Identifier id, Import i, Tree.Alias alias) {
for (Declaration d : unit.getDeclarations()) {
String n = d.getName();
Declaration idec = i.getDeclaration();
if (d.isToplevel()
&& n != null
&& i.getAlias().equals(n)
&& !idec.equals(d)
&&
// it is legal to import an object declaration
// in the current package without providing an
// alias:
!isLegalAliasFreeImport(d, idec)) {
if (alias == null) {
id.addError("toplevel declaration with this name declared in this unit: '" + n + "'");
} else {
alias.addError("toplevel declaration with this name declared in this unit: '" + n + "'");
}
return true;
}
}
return false;
}
public void createControl(Composite parent) {
Composite result = new Composite(parent, SWT.NONE);
setControl(result);
GridLayout layout = new GridLayout();
layout.numColumns = 3;
result.setLayout(layout);
Label title = new Label(result, SWT.LEFT);
Declaration declaration = getRenameRefactoring().getDeclaration();
String name = declaration.getName();
title.setText(
"Rename "
+ getRenameRefactoring().getCount()
+ " occurrences of declaration '"
+ name
+ "'.");
GridData gd = new GridData();
gd.horizontalSpan = 3;
title.setLayoutData(gd);
GridData gd2 = new GridData(GridData.FILL_HORIZONTAL);
gd2.horizontalSpan = 3;
new Label(result, SWT.SEPARATOR | SWT.HORIZONTAL).setLayoutData(gd2);
Label label = new Label(result, SWT.RIGHT);
label.setText("Rename to: ");
final Text text = new Text(result, SWT.SINGLE | SWT.BORDER);
GridData gd3 = new GridData();
gd3.horizontalSpan = 2;
text.setLayoutData(gd3);
text.setText(getRenameRefactoring().getNewName());
text.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
text.addModifyListener(
new ModifyListener() {
@Override
public void modifyText(ModifyEvent event) {
String name = text.getText();
validateIdentifier(name);
getRenameRefactoring().setNewName(name);
}
});
text.addKeyListener(new SubwordIterator(text));
text.selectAll();
text.setFocus();
final Button renameSourceFile = new Button(result, SWT.CHECK);
GridData gd4 = new GridData(GridData.FILL_HORIZONTAL);
gd4.horizontalSpan = 3;
gd4.grabExcessHorizontalSpace = true;
renameSourceFile.setLayoutData(gd4);
String filename = declaration.getUnit().getFilename();
renameSourceFile.setText("Also rename source file '" + filename + "'");
renameSourceFile.setSelection(getRenameRefactoring().isRenameFile());
renameSourceFile.setEnabled(filename.endsWith(".ceylon"));
renameSourceFile.addSelectionListener(
new SelectionListener() {
@Override
public void widgetSelected(SelectionEvent e) {
getRenameRefactoring().setRenameFile(renameSourceFile.getSelection());
}
@Override
public void widgetDefaultSelected(SelectionEvent e) {}
});
final Button renameLocals = new Button(result, SWT.CHECK);
renameLocals.setLayoutData(gd4);
boolean typeDec = declaration instanceof TypeDeclaration;
String txt = "Rename similarly-named values and functions";
if (typeDec) txt += " of type '" + declaration.getName() + "'";
renameLocals.setText(txt);
renameLocals.setSelection(getRenameRefactoring().isRenameValuesAndFunctions());
renameLocals.setEnabled(typeDec);
renameLocals.addSelectionListener(
new SelectionListener() {
@Override
public void widgetSelected(SelectionEvent e) {
getRenameRefactoring().setRenameValuesAndFunctions(renameLocals.getSelection());
}
@Override
public void widgetDefaultSelected(SelectionEvent e) {}
});
}
@Deprecated
// replaced by RefineFormalMembersQuickFix.ceylon
private void refineFormalMembers(IDocument document) throws ExecutionException {
if (rootNode == null) return;
TextChange change = new DocumentChange("Refine Members", document);
change.setEdit(new MultiTextEdit());
// TODO: copy/pasted from CeylonQuickFixAssistant
Tree.Body body;
int offset;
if (node instanceof Tree.ClassDefinition) {
ClassDefinition classDefinition = (Tree.ClassDefinition) node;
body = classDefinition.getClassBody();
offset = -1;
} else if (node instanceof Tree.InterfaceDefinition) {
Tree.InterfaceDefinition interfaceDefinition = (Tree.InterfaceDefinition) node;
body = interfaceDefinition.getInterfaceBody();
offset = -1;
} else if (node instanceof Tree.ObjectDefinition) {
Tree.ObjectDefinition objectDefinition = (Tree.ObjectDefinition) node;
body = objectDefinition.getClassBody();
offset = -1;
} else if (node instanceof Tree.ObjectExpression) {
Tree.ObjectExpression objectExpression = (Tree.ObjectExpression) node;
body = objectExpression.getClassBody();
offset = -1;
} else if (node instanceof Tree.ClassBody || node instanceof Tree.InterfaceBody) {
body = (Tree.Body) node;
IEditorPart editor = getCurrentEditor();
if (editor instanceof CeylonEditor) {
CeylonEditor ce = (CeylonEditor) editor;
offset = ce.getSelection().getOffset();
} else {
offset = -1;
}
} else {
return;
}
if (body == null) {
return;
}
boolean isInterface = body instanceof Tree.InterfaceBody;
List<Tree.Statement> statements = body.getStatements();
String indent;
// String bodyIndent = getIndent(body, document);
String bodyIndent = utilJ2C().indents().getIndent(node, document);
String delim = utilJ2C().indents().getDefaultLineDelimiter(document);
if (statements.isEmpty()) {
indent = delim + bodyIndent + utilJ2C().indents().getDefaultIndent();
if (offset < 0) {
offset = body.getStartIndex() + 1;
}
} else {
Tree.Statement statement = statements.get(statements.size() - 1);
indent = delim + utilJ2C().indents().getIndent(statement, document);
if (offset < 0) {
offset = statement.getEndIndex();
}
}
StringBuilder result = new StringBuilder();
Set<Declaration> already = new HashSet<Declaration>();
ClassOrInterface ci = (ClassOrInterface) node.getScope();
Unit unit = node.getUnit();
Set<String> ambiguousNames = new HashSet<String>();
// TODO: does not return unrefined overloaded
// versions of a method with one overlaad
// already refined
Collection<DeclarationWithProximity> proposals =
ci.getMatchingMemberDeclarations(unit, ci, "", 0).values();
for (DeclarationWithProximity dwp : proposals) {
Declaration dec = dwp.getDeclaration();
for (Declaration d : overloads(dec)) {
try {
if (d.isFormal() && ci.isInheritedFromSupertype(d)) {
appendRefinementText(isInterface, indent, result, ci, unit, d);
importProposals().importSignatureTypes(d, rootNode, already);
ambiguousNames.add(d.getName());
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
for (TypeDeclaration superType : ci.getSupertypeDeclarations()) {
for (Declaration m : superType.getMembers()) {
try {
if (m.getName() != null && m.isShared()) {
Declaration r = ci.getMember(m.getName(), null, false);
if ((r == null || !r.refines(m) && !r.getContainer().equals(ci))
&& ambiguousNames.add(m.getName())) {
appendRefinementText(isInterface, indent, result, ci, unit, m);
importProposals().importSignatureTypes(m, rootNode, already);
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
try {
if (document.getChar(offset) == '}' && result.length() > 0) {
result.append(delim).append(bodyIndent);
}
} catch (BadLocationException e) {
e.printStackTrace();
}
importProposals().applyImports(change, already, rootNode, document);
change.addEdit(new InsertEdit(offset, result.toString()));
change.initializeValidationData(null);
try {
getWorkspace().run(new PerformChangeOperation(change), new NullProgressMonitor());
} catch (CoreException ce) {
ce.printStackTrace();
}
}
@Override
public void visit(Tree.SpecifierStatement that) {
Tree.Term term = that.getBaseMemberExpression();
boolean parameterized = false;
while (term instanceof Tree.ParameterizedExpression) {
Tree.ParameterizedExpression pe = (Tree.ParameterizedExpression) term;
term = pe.getPrimary();
parameterized = true;
}
if (term instanceof Tree.StaticMemberOrTypeExpression) {
Tree.StaticMemberOrTypeExpression bme = (Tree.StaticMemberOrTypeExpression) term;
// Declaration member = getTypedDeclaration(bme.getScope(),
// name(bme.getIdentifier()), null, false, bme.getUnit());
Declaration member = bme.getDeclaration();
if (member == declaration) {
if ((declaration.isFormal() || declaration.isDefault()) && !isForwardReferenceable()) {
// TODO: is this error correct?! look at the condition above
bme.addError(
"member is formal and may not be specified: '"
+ member.getName()
+ "' is declared formal");
}
if (that.getRefinement()) {
declare();
}
Tree.SpecifierExpression se = that.getSpecifierExpression();
boolean lazy = se instanceof Tree.LazySpecifierExpression;
if (declaration instanceof Value) {
Value value = (Value) declaration;
if (!value.isVariable() && lazy != value.isTransient()) {
// check that all assignments to a non-variable, in
// different paths of execution, all use the same
// kind of specifier, all =>, or all =
// TODO: sometimes this error appears only because
// of a later line which illegally reassigns
se.addError(
"value must be specified using => lazy specifier: '" + member.getName() + "'");
}
if (lazy) {
if (value.isVariable()) {
se.addError(
"variable value may not be specified using => lazy specifier: '"
+ member.getName()
+ "'");
} else if (value.isLate()) {
se.addError(
"late reference may not be specified using => lazy specifier: '"
+ member.getName()
+ "'");
}
}
}
if (!lazy || !parameterized) {
se.visit(this);
}
boolean constant = !isVariable() && !isLate();
Scope scope = that.getScope();
if (constant && !declaration.isDefinedInScope(scope)) {
// this error is added by ExpressionVisitor
// that.addError("inherited member is not variable and may not be
// specified here: '" +
// member.getName() + "'");
} else if (!declared && constant) {
bme.addError(shortdesc() + " is not yet declared: '" + member.getName() + "'");
} else if (inLoop && constant && !(endsInBreakReturnThrow && lastContinue == null)) {
if (specified.definitely) {
bme.addError(
longdesc() + " is aready definitely specified: '" + member.getName() + "'", 803);
} else {
bme.addError(
longdesc() + " is not definitely unspecified in loop: '" + member.getName() + "'",
803);
}
} else if (withinDeclaration && constant && !that.getRefinement()) {
Declaration dec = getContainingDeclarationOfScope(scope);
if (dec != null && dec.equals(member)) {
bme.addError(
"cannot specify "
+ shortdesc()
+ " from within its own body: '"
+ member.getName()
+ "'");
} else {
bme.addError(
"cannot specify "
+ shortdesc()
+ " declared in outer scope: '"
+ member.getName()
+ "'",
803);
}
} else if (specified.possibly && constant) {
if (specified.definitely) {
bme.addError(
longdesc() + " is aready definitely specified: '" + member.getName() + "'", 803);
} else {
bme.addError(
longdesc() + " is not definitely unspecified: '" + member.getName() + "'", 803);
}
} else {
specify();
term.visit(this);
}
if (lazy && parameterized) {
se.visit(this);
}
} else {
super.visit(that);
}
} else {
super.visit(that);
}
}
private void visitReference(Tree.Primary that) {
Declaration member;
boolean assigned;
boolean metamodel;
if (that instanceof Tree.MemberOrTypeExpression) {
Tree.MemberOrTypeExpression mte = (Tree.MemberOrTypeExpression) that;
member = mte.getDeclaration();
assigned = mte.getAssigned();
metamodel = false;
} else if (that instanceof Tree.MetaLiteral) {
Tree.MetaLiteral ml = (Tree.MetaLiteral) that;
member = ml.getDeclaration();
assigned = false;
metamodel = true;
} else {
return;
}
if (member == declaration && member.isDefinedInScope(that.getScope())) {
if (!declared) {
// you are allowed to refer to later
// declarations in a class declaration
// section or interface
if (withinAttributeInitializer
&& member instanceof Value
&& !(((Value) member).isTransient())) {
that.addError(
"reference to value within its initializer: '" + member.getName() + "'", 1460);
} else if (!metamodel && !isForwardReferenceable() && !hasParameter) {
Scope container = declaration.getContainer();
if (container instanceof Class) {
that.addError(
"forward reference to class member in initializer: '"
+ member.getName()
+ "' is not yet declared (forward references must occur in declaration section)");
} else {
that.addError(
"forward reference to local declaration: '"
+ member.getName()
+ "' is not yet declared");
}
}
} else if (!specified.definitely || declaration.isFormal()) {
// you are allowed to refer to formal
// declarations in a class declaration
// section or interface
if (declaration.isFormal()) {
if (!isForwardReferenceable()) {
that.addError(
"formal member may not be used in initializer: '" + member.getName() + "'");
}
} else if (!metamodel
&& !isNativeHeader(declaration)
&& (!isLate() || !isForwardReferenceable())) {
if (isVariable()) {
that.addError("not definitely initialized: '" + member.getName() + "'");
} else {
that.addError("not definitely specified: '" + member.getName() + "'");
}
}
}
if (!assigned && member.isDefault() && !isForwardReferenceable()) {
that.addError("default member may not be used in initializer: '" + member.getName() + "'");
}
if (inAnonFunctionOrComprehension && specified.definitely && isVariable()) {
that.addError(
"variable member may not be captured by comprehension or function in extends clause: '"
+ member.getName()
+ "'");
}
}
}
private String importMember(Tree.ImportMemberOrType member, TypeDeclaration td, ImportList il) {
Tree.Identifier id = member.getIdentifier();
if (id == null) {
return null;
}
Import i = new Import();
member.setImportModel(i);
Tree.Alias alias = member.getAlias();
String name = name(id);
if (alias == null) {
i.setAlias(name);
} else {
i.setAlias(name(alias.getIdentifier()));
}
Declaration m = td.getMember(name, null, false);
if (m == null) {
String correction = correct(td, null, unit, name);
String message = correction == null ? "" : " (did you mean '" + correction + "'?)";
id.addError(
"imported declaration not found: '" + name + "' of '" + td.getName() + "'" + message,
100);
unit.getUnresolvedReferences().add(id);
} else {
List<Declaration> members = m.getContainer().getMembers();
for (Declaration d : members) {
String dn = d.getName();
if (dn != null && dn.equals(name) && !d.sameKind(m) && !d.isAnonymous()) {
// crazy interop cases like isOpen() + open()
id.addError("ambiguous member declaration: '" + name + "' of '" + td.getName() + "'");
return null;
}
}
if (!m.isShared()) {
id.addError(
"imported declaration is not shared: '" + name + "' of '" + td.getName() + "'", 400);
} else if (!declaredInPackage(m, unit)) {
if (m.isPackageVisibility()) {
id.addError(
"imported package private declaration is not visible: '"
+ name
+ "' of '"
+ td.getName()
+ "'");
} else if (m.isProtectedVisibility()) {
id.addError(
"imported protected declaration is not visible: '"
+ name
+ "' of '"
+ td.getName()
+ "'");
}
}
i.setTypeDeclaration(td);
if (!m.isStaticallyImportable()
&& !isToplevelClassConstructor(td, m)
&& !isToplevelAnonymousClass(m.getContainer())) {
if (alias == null) {
member.addError("does not specify an alias");
}
}
i.setDeclaration(m);
member.setDeclarationModel(m);
if (il.hasImport(m)) {
id.addError("already imported: '" + name + "' of '" + td.getName() + "'");
} else {
if (m.isStaticallyImportable()
|| isToplevelClassConstructor(td, m)
|| isToplevelAnonymousClass(m.getContainer())) {
if (!checkForHiddenToplevel(id, i, alias)) {
addImport(member, il, i);
}
} else {
addMemberImport(member, il, i);
}
}
checkAliasCase(alias, m);
}
if (m != null) {
importMembers(member, m);
}
// imtl.addError("member aliases may not have member aliases");
return name;
}
static void addCreateMemberProposal(
Collection<ICompletionProposal> proposals,
DefinitionGenerator dg,
Declaration typeDec,
PhasedUnit unit,
Tree.Declaration decNode,
Tree.Body body,
Tree.Statement statement) {
IFile file = getFile(unit);
TextFileChange change = new TextFileChange("Create Member", file);
change.setEdit(new MultiTextEdit());
IDocument doc = EditorUtil.getDocument(change);
String indentBefore;
String indentAfter;
String indent;
int offset;
List<Tree.Statement> statements = body.getStatements();
String delim = getDefaultLineDelimiter(doc);
if (statements.isEmpty()) {
String bodyIndent = getIndent(decNode, doc);
indent = bodyIndent + getDefaultIndent();
indentBefore = delim + indent;
try {
boolean singleLineBody =
doc.getLineOfOffset(body.getStartIndex()) == doc.getLineOfOffset(body.getStopIndex());
if (singleLineBody) {
indentAfter = delim + bodyIndent;
} else {
indentAfter = "";
}
} catch (BadLocationException e) {
e.printStackTrace();
indentAfter = delim;
}
offset = body.getStartIndex() + 1;
} else {
Tree.Statement st;
if (statement != null
&& statement.getUnit().equals(body.getUnit())
&& statement.getStartIndex() >= body.getStartIndex()
&& statement.getStopIndex() <= body.getStopIndex()) {
st = statements.get(0);
for (Tree.Statement s : statements) {
if (statement.getStartIndex() >= s.getStartIndex()
&& statement.getStopIndex() <= s.getStopIndex()) {
st = s;
}
}
indent = getIndent(st, doc);
indentBefore = "";
indentAfter = delim + indent;
offset = st.getStartIndex();
} else {
st = statements.get(statements.size() - 1);
indent = getIndent(st, doc);
indentBefore = delim + indent;
indentAfter = "";
offset = st.getStopIndex() + 1;
}
}
String generated =
typeDec instanceof Interface
? dg.generateSharedFormal(indent, delim)
: dg.generateShared(indent, delim);
String def = indentBefore + generated + indentAfter;
int il = applyImports(change, dg.getImports(), unit.getCompilationUnit(), doc);
change.addEdit(new InsertEdit(offset, def));
String desc = "Create " + memberKind(dg) + " in '" + typeDec.getName() + "'";
int exitPos = dg.getNode().getStopIndex() + 1;
proposals.add(
new CreateProposal(
def,
desc,
body.getScope(),
body.getUnit(),
dg.getReturnType(),
dg.getImage(),
offset + il,
change,
exitPos,
dg instanceof ObjectClassDefinitionGenerator));
}
private RemoveAliasProposal(IFile file, Declaration dec, TextFileChange change) {
super("Remove alias of '" + dec.getName() + "'", change, null, REMOVE_CORR);
}