@Override
public Void visitClassTypeAlias(ClassTypeAlias node) {
ElementHolder holder = new ElementHolder();
functionTypesToFix = new ArrayList<FunctionTypeImpl>();
visitChildren(holder, node);
SimpleIdentifier className = node.getName();
ClassElementImpl element = new ClassElementImpl(className);
element.setAbstract(node.getAbstractKeyword() != null);
element.setTypedef(true);
TypeParameterElement[] typeParameters = holder.getTypeParameters();
element.setTypeParameters(typeParameters);
Type[] typeArguments = createTypeParameterTypes(typeParameters);
InterfaceTypeImpl interfaceType = new InterfaceTypeImpl(element);
interfaceType.setTypeArguments(typeArguments);
element.setType(interfaceType);
// set default constructor
element.setConstructors(createDefaultConstructors(interfaceType));
for (FunctionTypeImpl functionType : functionTypesToFix) {
functionType.setTypeArguments(typeArguments);
}
functionTypesToFix = null;
currentHolder.addType(element);
className.setStaticElement(element);
holder.validate();
return null;
}
@Override
public Void visitCatchClause(CatchClause node) {
SimpleIdentifier exceptionParameter = node.getExceptionParameter();
if (exceptionParameter != null) {
LocalVariableElementImpl exception = new LocalVariableElementImpl(exceptionParameter);
currentHolder.addLocalVariable(exception);
exceptionParameter.setStaticElement(exception);
SimpleIdentifier stackTraceParameter = node.getStackTraceParameter();
if (stackTraceParameter != null) {
LocalVariableElementImpl stackTrace = new LocalVariableElementImpl(stackTraceParameter);
currentHolder.addLocalVariable(stackTrace);
stackTraceParameter.setStaticElement(stackTrace);
}
}
return super.visitCatchClause(node);
}
@Override
public Void visitSwitchDefault(SwitchDefault node) {
for (Label label : node.getLabels()) {
SimpleIdentifier labelName = label.getLabel();
LabelElementImpl element = new LabelElementImpl(labelName, false, true);
currentHolder.addLabel(element);
labelName.setStaticElement(element);
}
return super.visitSwitchDefault(node);
}
@Override
public Void visitTypeParameter(TypeParameter node) {
SimpleIdentifier parameterName = node.getName();
TypeParameterElementImpl typeParameter = new TypeParameterElementImpl(parameterName);
TypeParameterTypeImpl typeParameterType = new TypeParameterTypeImpl(typeParameter);
typeParameter.setType(typeParameterType);
currentHolder.addTypeParameter(typeParameter);
parameterName.setStaticElement(typeParameter);
return super.visitTypeParameter(node);
}
@Override
public Void visitLabeledStatement(LabeledStatement node) {
boolean onSwitchStatement = node.getStatement() instanceof SwitchStatement;
for (Label label : node.getLabels()) {
SimpleIdentifier labelName = label.getLabel();
LabelElementImpl element = new LabelElementImpl(labelName, onSwitchStatement, false);
currentHolder.addLabel(element);
labelName.setStaticElement(element);
}
return super.visitLabeledStatement(node);
}
@Override
public Void visitSimpleFormalParameter(SimpleFormalParameter node) {
if (!(node.getParent() instanceof DefaultFormalParameter)) {
SimpleIdentifier parameterName = node.getIdentifier();
ParameterElementImpl parameter = new ParameterElementImpl(parameterName);
parameter.setConst(node.isConst());
parameter.setFinal(node.isFinal());
parameter.setParameterKind(node.getKind());
setParameterVisibleRange(node, parameter);
currentHolder.addParameter(parameter);
parameterName.setStaticElement(parameter);
}
return super.visitSimpleFormalParameter(node);
}
@Override
public Void visitDeclaredIdentifier(DeclaredIdentifier node) {
SimpleIdentifier variableName = node.getIdentifier();
Token keyword = node.getKeyword();
LocalVariableElementImpl element = new LocalVariableElementImpl(variableName);
ForEachStatement statement = (ForEachStatement) node.getParent();
int declarationEnd = node.getOffset() + node.getLength();
int statementEnd = statement.getOffset() + statement.getLength();
element.setVisibleRange(declarationEnd, statementEnd - declarationEnd - 1);
element.setConst(matches(keyword, Keyword.CONST));
element.setFinal(matches(keyword, Keyword.FINAL));
currentHolder.addLocalVariable(element);
variableName.setStaticElement(element);
return super.visitDeclaredIdentifier(node);
}
@Override
public Void visitFunctionTypedFormalParameter(FunctionTypedFormalParameter node) {
if (!(node.getParent() instanceof DefaultFormalParameter)) {
SimpleIdentifier parameterName = node.getIdentifier();
ParameterElementImpl parameter = new ParameterElementImpl(parameterName);
parameter.setParameterKind(node.getKind());
setParameterVisibleRange(node, parameter);
currentHolder.addParameter(parameter);
parameterName.setStaticElement(parameter);
}
//
// The children of this parameter include any parameters defined on the type of this parameter.
//
ElementHolder holder = new ElementHolder();
visitChildren(holder, node);
((ParameterElementImpl) node.getElement()).setParameters(holder.getParameters());
holder.validate();
return null;
}
@Override
public Void visitDefaultFormalParameter(DefaultFormalParameter node) {
ElementHolder holder = new ElementHolder();
SimpleIdentifier parameterName = node.getParameter().getIdentifier();
ParameterElementImpl parameter;
if (node.getParameter() instanceof FieldFormalParameter) {
parameter = new DefaultFieldFormalParameterElementImpl(parameterName);
} else {
parameter = new DefaultParameterElementImpl(parameterName);
}
parameter.setConst(node.isConst());
parameter.setFinal(node.isFinal());
parameter.setParameterKind(node.getKind());
// set initializer, default value range
Expression defaultValue = node.getDefaultValue();
if (defaultValue != null) {
visit(holder, defaultValue);
FunctionElementImpl initializer =
new FunctionElementImpl(defaultValue.getBeginToken().getOffset());
initializer.setFunctions(holder.getFunctions());
initializer.setLabels(holder.getLabels());
initializer.setLocalVariables(holder.getLocalVariables());
initializer.setParameters(holder.getParameters());
initializer.setSynthetic(true);
parameter.setInitializer(initializer);
parameter.setDefaultValueRange(defaultValue.getOffset(), defaultValue.getLength());
}
// visible range
setParameterVisibleRange(node, parameter);
currentHolder.addParameter(parameter);
parameterName.setStaticElement(parameter);
node.getParameter().accept(this);
holder.validate();
return null;
}
@Override
public Void visitClassDeclaration(ClassDeclaration node) {
ElementHolder holder = new ElementHolder();
isValidMixin = true;
functionTypesToFix = new ArrayList<FunctionTypeImpl>();
visitChildren(holder, node);
SimpleIdentifier className = node.getName();
ClassElementImpl element = new ClassElementImpl(className);
TypeParameterElement[] typeParameters = holder.getTypeParameters();
Type[] typeArguments = createTypeParameterTypes(typeParameters);
InterfaceTypeImpl interfaceType = new InterfaceTypeImpl(element);
interfaceType.setTypeArguments(typeArguments);
element.setType(interfaceType);
ConstructorElement[] constructors = holder.getConstructors();
if (constructors.length == 0) {
//
// Create the default constructor.
//
constructors = createDefaultConstructors(interfaceType);
}
element.setAbstract(node.getAbstractKeyword() != null);
element.setAccessors(holder.getAccessors());
element.setConstructors(constructors);
element.setFields(holder.getFields());
element.setMethods(holder.getMethods());
element.setTypeParameters(typeParameters);
element.setValidMixin(isValidMixin);
int functionTypeCount = functionTypesToFix.size();
for (int i = 0; i < functionTypeCount; i++) {
functionTypesToFix.get(i).setTypeArguments(typeArguments);
}
functionTypesToFix = null;
currentHolder.addType(element);
className.setStaticElement(element);
holder.validate();
return null;
}
@Override
public Void visitFunctionTypeAlias(FunctionTypeAlias node) {
ElementHolder holder = new ElementHolder();
visitChildren(holder, node);
SimpleIdentifier aliasName = node.getName();
ParameterElement[] parameters = holder.getParameters();
TypeParameterElement[] typeParameters = holder.getTypeParameters();
FunctionTypeAliasElementImpl element = new FunctionTypeAliasElementImpl(aliasName);
element.setParameters(parameters);
element.setTypeParameters(typeParameters);
FunctionTypeImpl type = new FunctionTypeImpl(element);
type.setTypeArguments(createTypeParameterTypes(typeParameters));
element.setType(type);
currentHolder.addTypeAlias(element);
aliasName.setStaticElement(element);
holder.validate();
return null;
}
@Override
public Void visitConstructorDeclaration(ConstructorDeclaration node) {
isValidMixin = false;
ElementHolder holder = new ElementHolder();
boolean wasInFunction = inFunction;
inFunction = true;
try {
visitChildren(holder, node);
} finally {
inFunction = wasInFunction;
}
SimpleIdentifier constructorName = node.getName();
ConstructorElementImpl element = new ConstructorElementImpl(constructorName);
if (node.getFactoryKeyword() != null) {
element.setFactory(true);
}
element.setFunctions(holder.getFunctions());
element.setLabels(holder.getLabels());
element.setLocalVariables(holder.getLocalVariables());
element.setParameters(holder.getParameters());
element.setConst(node.getConstKeyword() != null);
currentHolder.addConstructor(element);
node.setElement(element);
if (constructorName == null) {
Identifier returnType = node.getReturnType();
if (returnType != null) {
element.setNameOffset(returnType.getOffset());
}
} else {
constructorName.setStaticElement(element);
}
holder.validate();
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;
}
@Override
public Void visitMethodDeclaration(MethodDeclaration node) {
ElementHolder holder = new ElementHolder();
boolean wasInFunction = inFunction;
inFunction = true;
try {
visitChildren(holder, node);
} finally {
inFunction = wasInFunction;
}
boolean isStatic = node.isStatic();
Token property = node.getPropertyKeyword();
if (property == null) {
SimpleIdentifier methodName = node.getName();
String nameOfMethod = methodName.getName();
if (nameOfMethod.equals(TokenType.MINUS.getLexeme())
&& node.getParameters().getParameters().size() == 0) {
nameOfMethod = "unary-";
}
MethodElementImpl element = new MethodElementImpl(nameOfMethod, methodName.getOffset());
element.setAbstract(node.isAbstract());
element.setFunctions(holder.getFunctions());
element.setLabels(holder.getLabels());
element.setLocalVariables(holder.getLocalVariables());
element.setParameters(holder.getParameters());
element.setStatic(isStatic);
currentHolder.addMethod(element);
methodName.setStaticElement(element);
} else {
SimpleIdentifier propertyNameNode = node.getName();
String propertyName = propertyNameNode.getName();
FieldElementImpl field = (FieldElementImpl) currentHolder.getField(propertyName);
if (field == null) {
field = new FieldElementImpl(node.getName().getName());
field.setFinal(true);
field.setStatic(isStatic);
field.setSynthetic(true);
currentHolder.addField(field);
}
if (matches(property, Keyword.GET)) {
PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl(propertyNameNode);
getter.setFunctions(holder.getFunctions());
getter.setLabels(holder.getLabels());
getter.setLocalVariables(holder.getLocalVariables());
getter.setVariable(field);
getter.setAbstract(
node.getBody() instanceof EmptyFunctionBody && node.getExternalKeyword() == null);
getter.setGetter(true);
getter.setStatic(isStatic);
field.setGetter(getter);
currentHolder.addAccessor(getter);
propertyNameNode.setStaticElement(getter);
} else {
PropertyAccessorElementImpl setter = new PropertyAccessorElementImpl(propertyNameNode);
setter.setFunctions(holder.getFunctions());
setter.setLabels(holder.getLabels());
setter.setLocalVariables(holder.getLocalVariables());
setter.setParameters(holder.getParameters());
setter.setVariable(field);
setter.setAbstract(
node.getBody() instanceof EmptyFunctionBody
&& !matches(node.getExternalKeyword(), Keyword.EXTERNAL));
setter.setSetter(true);
setter.setStatic(isStatic);
field.setSetter(setter);
field.setFinal(false);
currentHolder.addAccessor(setter);
propertyNameNode.setStaticElement(setter);
}
}
holder.validate();
return null;
}
@Override
public Void visitFunctionDeclaration(FunctionDeclaration node) {
FunctionExpression expression = node.getFunctionExpression();
if (expression != null) {
ElementHolder holder = new ElementHolder();
boolean wasInFunction = inFunction;
inFunction = true;
try {
visitChildren(holder, expression);
} finally {
inFunction = wasInFunction;
}
Token property = node.getPropertyKeyword();
if (property == null) {
SimpleIdentifier functionName = node.getName();
FunctionElementImpl element = new FunctionElementImpl(functionName);
element.setFunctions(holder.getFunctions());
element.setLabels(holder.getLabels());
element.setLocalVariables(holder.getLocalVariables());
element.setParameters(holder.getParameters());
if (inFunction) {
Block enclosingBlock = node.getAncestor(Block.class);
if (enclosingBlock != null) {
int functionEnd = node.getOffset() + node.getLength();
int blockEnd = enclosingBlock.getOffset() + enclosingBlock.getLength();
element.setVisibleRange(functionEnd, blockEnd - functionEnd - 1);
}
}
currentHolder.addFunction(element);
expression.setElement(element);
functionName.setStaticElement(element);
} else {
SimpleIdentifier propertyNameNode = node.getName();
if (propertyNameNode == null) {
// TODO(brianwilkerson) Report this internal error.
return null;
}
String propertyName = propertyNameNode.getName();
TopLevelVariableElementImpl variable =
(TopLevelVariableElementImpl) currentHolder.getTopLevelVariable(propertyName);
if (variable == null) {
variable = new TopLevelVariableElementImpl(node.getName().getName());
variable.setFinal(true);
variable.setSynthetic(true);
currentHolder.addTopLevelVariable(variable);
}
if (matches(property, Keyword.GET)) {
PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl(propertyNameNode);
getter.setFunctions(holder.getFunctions());
getter.setLabels(holder.getLabels());
getter.setLocalVariables(holder.getLocalVariables());
getter.setVariable(variable);
getter.setGetter(true);
getter.setStatic(true);
variable.setGetter(getter);
currentHolder.addAccessor(getter);
expression.setElement(getter);
propertyNameNode.setStaticElement(getter);
} else {
PropertyAccessorElementImpl setter = new PropertyAccessorElementImpl(propertyNameNode);
setter.setFunctions(holder.getFunctions());
setter.setLabels(holder.getLabels());
setter.setLocalVariables(holder.getLocalVariables());
setter.setParameters(holder.getParameters());
setter.setVariable(variable);
setter.setSetter(true);
setter.setStatic(true);
variable.setSetter(setter);
variable.setFinal(false);
currentHolder.addAccessor(setter);
expression.setElement(setter);
propertyNameNode.setStaticElement(setter);
}
}
holder.validate();
}
return null;
}
