@Override
public Void visitTypeAlias(TypeAlias node) {
ElementHolder holder = new ElementHolder();
visitChildren(holder, node);
TypeAliasElementImpl element = new TypeAliasElementImpl(node.getName());
if (holder.getParameters() != null) {
element.setParameters(holder.getParameters());
}
element.setTypeVariables(holder.getTypeVariables());
currentHolder.addTypeAlias(element);
return null;
}
@Override
public Void visitFunctionExpression(FunctionExpression node) {
ElementHolder holder = new ElementHolder();
visitChildren(holder, node);
FunctionElementImpl element = new FunctionElementImpl(node.getName());
element.setFunctions(holder.getFunctions());
element.setLabels(holder.getLabels());
element.setLocalVariables(holder.getVariables());
if (holder.getParameters() != null) {
element.setParameters(holder.getParameters());
}
currentHolder.addFunction(element);
return null;
}
@Override
public Void visitNamedFormalParameter(NamedFormalParameter node) {
ElementHolder holder = new ElementHolder();
visitChildren(holder, node.getDefaultValue());
FunctionElementImpl initializer = new FunctionElementImpl();
initializer.setFunctions(holder.getFunctions());
initializer.setLabels(holder.getLabels());
initializer.setLocalVariables(holder.getVariables());
if (holder.getParameters() != null) {
initializer.setParameters(holder.getParameters());
}
VariableElementImpl parameter = new VariableElementImpl(node.getParameter().getIdentifier());
parameter.setInitializer(initializer);
currentHolder.addVariable(parameter);
return null;
}
@Override
public Void visitMethodDeclaration(MethodDeclaration node) {
ElementHolder holder = new ElementHolder();
visitChildren(holder, node);
Token property = node.getPropertyKeyword();
if (property == null) {
MethodElementImpl element = new MethodElementImpl(node.getName());
Token keyword = node.getModifierKeyword();
element.setAbstract(matches(keyword, Keyword.ABSTRACT));
element.setFunctions(holder.getFunctions());
element.setLabels(holder.getLabels());
element.setLocalVariables(holder.getVariables());
if (holder.getParameters() != null) {
element.setParameters(holder.getParameters());
}
element.setStatic(matches(keyword, Keyword.STATIC));
currentHolder.addMethod(element);
} else {
Identifier 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(matches(node.getModifierKeyword(), Keyword.STATIC));
currentHolder.addField(field);
}
if (matches(property, Keyword.GET)) {
PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl(propertyNameNode);
getter.setField(field);
getter.setGetter(true);
field.setGetter(getter);
} else {
PropertyAccessorElementImpl setter = new PropertyAccessorElementImpl(propertyNameNode);
setter.setField(field);
setter.setSetter(true);
field.setSetter(setter);
field.setFinal(false);
}
}
return null;
}
@Override
public Void visitConstructorDeclaration(ConstructorDeclaration node) {
ElementHolder holder = new ElementHolder();
visitChildren(holder, node);
ConstructorElementImpl element = new ConstructorElementImpl(node.getName());
Token keyword = node.getKeyword();
if (keyword instanceof KeywordToken
&& ((KeywordToken) keyword).getKeyword() == Keyword.FACTORY) {
element.setFactory(true);
}
element.setFunctions(holder.getFunctions());
element.setLabels(holder.getLabels());
element.setLocalVariables(holder.getVariables());
if (holder.getParameters() != null) {
element.setParameters(holder.getParameters());
}
currentHolder.addConstructor(element);
return null;
}
public void test_visitFormalParameterList() {
ElementHolder holder = new ElementHolder();
ElementBuilder builder = new ElementBuilder(holder);
String firstParameterName = "a";
String secondParameterName = "b";
FormalParameterList parameterList =
formalParameterList(
simpleFormalParameter(firstParameterName), simpleFormalParameter(secondParameterName));
parameterList.accept(builder);
ParameterElement[] parameters = holder.getParameters();
assertLength(2, parameters);
assertEquals(firstParameterName, parameters[0].getName());
assertEquals(secondParameterName, parameters[1].getName());
}
@Override
public Void visitFunctionExpression(FunctionExpression node) {
ElementHolder holder = new ElementHolder();
visitChildren(holder, node);
SimpleIdentifier functionName = null;
FunctionElementImpl element = new FunctionElementImpl(functionName);
element.setFunctions(holder.getFunctions());
element.setLabels(holder.getLabels());
element.setLocalVariables(holder.getVariables());
element.setParameters(holder.getParameters());
currentHolder.addFunction(element);
node.setElement(element);
return null;
}
public void test_visitSimpleFormalParameter() {
ElementHolder holder = new ElementHolder();
ElementBuilder builder = new ElementBuilder(holder);
String parameterName = "p";
SimpleFormalParameter formalParameter = simpleFormalParameter(parameterName);
formalParameter.accept(builder);
ParameterElement[] parameters = holder.getParameters();
assertLength(1, parameters);
ParameterElement parameter = parameters[0];
assertNotNull(parameter);
assertEquals(parameterName, parameter.getName());
assertNull(parameter.getInitializer());
assertFalse(parameter.isConst());
assertFalse(parameter.isFinal());
assertFalse(parameter.isSynthetic());
assertEquals(ParameterKind.REQUIRED, parameter.getParameterKind());
}
@Override
public Void visitFunctionTypeAlias(FunctionTypeAlias node) {
ElementHolder holder = new ElementHolder();
visitChildren(holder, node);
SimpleIdentifier aliasName = node.getName();
ParameterElement[] parameters = holder.getParameters();
TypeAliasElementImpl element = new TypeAliasElementImpl(aliasName);
element.setParameters(parameters);
element.setTypeVariables(holder.getTypeVariables());
ArrayList<Type> normalParameterTypes = new ArrayList<Type>();
ArrayList<Type> optionalParameterTypes = new ArrayList<Type>();
LinkedHashMap<String, Type> namedParameterTypes = new LinkedHashMap<String, Type>();
for (ParameterElement parameter : parameters) {
switch (parameter.getParameterKind()) {
case REQUIRED:
normalParameterTypes.add(parameter.getType());
break;
case POSITIONAL:
optionalParameterTypes.add(parameter.getType());
break;
case NAMED:
namedParameterTypes.put(parameter.getName(), parameter.getType());
break;
}
}
TypeName returnType = node.getReturnType();
FunctionTypeImpl functionType = new FunctionTypeImpl(element);
functionType.setNormalParameterTypes(
normalParameterTypes.toArray(new Type[normalParameterTypes.size()]));
functionType.setOptionalParameterTypes(
optionalParameterTypes.toArray(new Type[optionalParameterTypes.size()]));
functionType.setNamedParameterTypes(namedParameterTypes);
if (returnType != null) {
functionType.setReturnType(returnType.getType());
}
element.setType(functionType);
currentHolder.addTypeAlias(element);
aliasName.setElement(element);
return null;
}
@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;
}
public void test_visitNamedFormalParameter() {
ElementHolder holder = new ElementHolder();
ElementBuilder builder = new ElementBuilder(holder);
String parameterName = "p";
DefaultFormalParameter formalParameter =
namedFormalParameter(simpleFormalParameter(parameterName), identifier("b"));
formalParameter.accept(builder);
ParameterElement[] parameters = holder.getParameters();
assertLength(1, parameters);
ParameterElement parameter = parameters[0];
assertNotNull(parameter);
assertEquals(parameterName, parameter.getName());
assertFalse(parameter.isConst());
assertFalse(parameter.isFinal());
assertFalse(parameter.isSynthetic());
assertEquals(ParameterKind.NAMED, parameter.getParameterKind());
FunctionElement initializer = parameter.getInitializer();
assertNotNull(initializer);
assertTrue(initializer.isSynthetic());
}
@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 visitDefaultFormalParameter(DefaultFormalParameter node) {
ElementHolder holder = new ElementHolder();
visitChildren(holder, node.getDefaultValue());
FunctionElementImpl initializer = new FunctionElementImpl();
initializer.setFunctions(holder.getFunctions());
initializer.setLabels(holder.getLabels());
initializer.setLocalVariables(holder.getVariables());
initializer.setParameters(holder.getParameters());
SimpleIdentifier parameterName = node.getParameter().getIdentifier();
ParameterElementImpl parameter = new ParameterElementImpl(parameterName);
parameter.setConst(node.isConst());
parameter.setFinal(node.isFinal());
parameter.setInitializer(initializer);
parameter.setParameterKind(node.getKind());
currentHolder.addParameter(parameter);
parameterName.setElement(parameter);
return null;
}
@Override
public Void visitConstructorDeclaration(ConstructorDeclaration node) {
ElementHolder holder = new ElementHolder();
visitChildren(holder, node);
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.getVariables());
element.setParameters(holder.getParameters());
currentHolder.addConstructor(element);
node.setElement(element);
if (constructorName != null) {
constructorName.setElement(element);
}
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 visitFunctionExpression(FunctionExpression node) {
ElementHolder holder = new ElementHolder();
boolean wasInFunction = inFunction;
inFunction = true;
try {
visitChildren(holder, node);
} finally {
inFunction = wasInFunction;
}
FunctionElementImpl element = new FunctionElementImpl(node.getBeginToken().getOffset());
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);
}
}
FunctionTypeImpl type = new FunctionTypeImpl(element);
if (functionTypesToFix != null) {
functionTypesToFix.add(type);
}
element.setType(type);
currentHolder.addFunction(element);
node.setElement(element);
holder.validate();
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;
}
