public void test_visitVariableDeclaration_noInitializer() {
ElementHolder holder = new ElementHolder();
ElementBuilder builder = new ElementBuilder(holder);
String variableName = "v";
VariableDeclaration variableDeclaration = variableDeclaration(variableName, null);
variableDeclarationList(null, variableDeclaration);
variableDeclaration.accept(builder);
VariableElement[] variables = holder.getVariables();
assertLength(1, variables);
VariableElement variable = variables[0];
assertNotNull(variable);
assertNull(variable.getInitializer());
assertEquals(variableName, variable.getName());
assertFalse(variable.isConst());
assertFalse(variable.isFinal());
assertFalse(variable.isSynthetic());
}
@Override
public Void visitVariableDeclaration(VariableDeclaration node) {
VariableElementImpl element;
if (inFieldContext) {
SimpleIdentifier fieldName = node.getName();
element = new FieldElementImpl(fieldName);
currentHolder.addField((FieldElementImpl) element);
fieldName.setElement(element);
} else {
SimpleIdentifier variableName = node.getName();
element = new VariableElementImpl(variableName);
currentHolder.addVariable(element);
variableName.setElement(element);
}
Token keyword = ((VariableDeclarationList) node.getParent()).getKeyword();
boolean isFinal = matches(keyword, Keyword.FINAL);
element.setConst(matches(keyword, Keyword.CONST));
element.setFinal(isFinal);
if (node.getInitializer() != null) {
ElementHolder holder = new ElementHolder();
boolean wasInFieldContext = inFieldContext;
inFieldContext = false;
try {
visitChildren(holder, node.getInitializer());
} finally {
inFieldContext = wasInFieldContext;
}
FunctionElementImpl initializer = new FunctionElementImpl();
initializer.setFunctions(holder.getFunctions());
initializer.setLabels(holder.getLabels());
initializer.setLocalVariables(holder.getVariables());
initializer.setSynthetic(true);
element.setInitializer(initializer);
}
if (inFieldContext) {
FieldElementImpl field = (FieldElementImpl) element;
PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl(field);
getter.setGetter(true);
field.setGetter(getter);
if (!isFinal) {
PropertyAccessorElementImpl setter = new PropertyAccessorElementImpl(field);
setter.setSetter(true);
field.setSetter(setter);
}
field.setStatic(
matches(((FieldDeclaration) node.getParent().getParent()).getKeyword(), Keyword.STATIC));
}
return null;
}
@Override
public Void visitVariableDeclaration(VariableDeclaration node) {
visit(node.getName());
visit(" = ", node.getInitializer());
return null;
}
@Override
public R visitVariableDeclaration(VariableDeclaration node) {
node.visitChildren(this);
return null;
}
@Override
public Void visitVariableDeclaration(VariableDeclaration node) {
Token keyword = ((VariableDeclarationList) node.getParent()).getKeyword();
boolean isConst = matches(keyword, Keyword.CONST);
boolean isFinal = matches(keyword, Keyword.FINAL);
boolean hasInitializer = node.getInitializer() != null;
VariableElementImpl element;
if (inFieldContext) {
SimpleIdentifier fieldName = node.getName();
FieldElementImpl field;
if (isConst && hasInitializer) {
field = new ConstFieldElementImpl(fieldName);
} else {
field = new FieldElementImpl(fieldName);
}
element = field;
currentHolder.addField(field);
fieldName.setStaticElement(field);
} else if (inFunction) {
SimpleIdentifier variableName = node.getName();
LocalVariableElementImpl variable;
if (isConst && hasInitializer) {
variable = new ConstLocalVariableElementImpl(variableName);
} else {
variable = new LocalVariableElementImpl(variableName);
}
element = variable;
Block enclosingBlock = node.getAncestor(Block.class);
int functionEnd = node.getOffset() + node.getLength();
int blockEnd = enclosingBlock.getOffset() + enclosingBlock.getLength();
// TODO(brianwilkerson) This isn't right for variables declared in a for loop.
variable.setVisibleRange(functionEnd, blockEnd - functionEnd - 1);
currentHolder.addLocalVariable(variable);
variableName.setStaticElement(element);
} else {
SimpleIdentifier variableName = node.getName();
TopLevelVariableElementImpl variable;
if (isConst && hasInitializer) {
variable = new ConstTopLevelVariableElementImpl(variableName);
} else {
variable = new TopLevelVariableElementImpl(variableName);
}
element = variable;
currentHolder.addTopLevelVariable(variable);
variableName.setStaticElement(element);
}
element.setConst(isConst);
element.setFinal(isFinal);
if (hasInitializer) {
ElementHolder holder = new ElementHolder();
boolean wasInFieldContext = inFieldContext;
inFieldContext = false;
try {
visit(holder, node.getInitializer());
} finally {
inFieldContext = wasInFieldContext;
}
FunctionElementImpl initializer =
new FunctionElementImpl(node.getInitializer().getBeginToken().getOffset());
initializer.setFunctions(holder.getFunctions());
initializer.setLabels(holder.getLabels());
initializer.setLocalVariables(holder.getLocalVariables());
initializer.setSynthetic(true);
element.setInitializer(initializer);
holder.validate();
}
if (element instanceof PropertyInducingElementImpl) {
PropertyInducingElementImpl variable = (PropertyInducingElementImpl) element;
if (inFieldContext) {
((FieldElementImpl) variable)
.setStatic(
matches(
((FieldDeclaration) node.getParent().getParent()).getStaticKeyword(),
Keyword.STATIC));
}
PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl(variable);
getter.setGetter(true);
getter.setStatic(variable.isStatic());
currentHolder.addAccessor(getter);
variable.setGetter(getter);
if (!isFinal) {
PropertyAccessorElementImpl setter = new PropertyAccessorElementImpl(variable);
setter.setSetter(true);
setter.setStatic(variable.isStatic());
ParameterElementImpl parameter =
new ParameterElementImpl("_" + variable.getName(), variable.getNameOffset());
parameter.setSynthetic(true);
parameter.setParameterKind(ParameterKind.REQUIRED);
setter.setParameters(new ParameterElement[] {parameter});
currentHolder.addAccessor(setter);
variable.setSetter(setter);
}
}
return null;
}