public static boolean isVarCapturedInClosure(
BindingContext bindingContext, DeclarationDescriptor descriptor) {
if (!(descriptor instanceof VariableDescriptor) || descriptor instanceof PropertyDescriptor)
return false;
VariableDescriptor variableDescriptor = (VariableDescriptor) descriptor;
return bindingContext.get(CAPTURED_IN_CLOSURE, variableDescriptor) != null
&& variableDescriptor.isVar();
}
public static boolean shouldRecordInitializerForProperty(
@NotNull VariableDescriptor variable, @NotNull KotlinType type) {
if (variable.isVar() || type.isError()) return false;
if (TypeUtils.acceptsNullable(type)) return true;
KotlinBuiltIns builtIns = getBuiltIns(variable);
return KotlinBuiltIns.isPrimitiveType(type)
|| KotlinTypeChecker.DEFAULT.equalTypes(builtIns.getStringType(), type)
|| KotlinTypeChecker.DEFAULT.equalTypes(builtIns.getNumber().getDefaultType(), type)
|| KotlinTypeChecker.DEFAULT.equalTypes(builtIns.getAnyType(), type);
}
protected Void visitVariableDescriptor(
VariableDescriptor descriptor, StringBuilder builder, boolean skipValVar) {
JetType type = descriptor.getType();
if (descriptor instanceof ValueParameterDescriptor) {
JetType varargElementType = ((ValueParameterDescriptor) descriptor).getVarargElementType();
if (varargElementType != null) {
builder.append(renderKeyword("vararg")).append(" ");
type = varargElementType;
}
}
String typeString =
renderPropertyPrefixAndComputeTypeString(
builder,
skipValVar ? null : descriptor.isVar(),
Collections.<TypeParameterDescriptor>emptyList(),
ReceiverDescriptor.NO_RECEIVER,
type);
renderName(descriptor, builder);
builder.append(" : ").append(escape(typeString));
return null;
}
private void renderVariable(
@NotNull VariableDescriptor variable, @NotNull StringBuilder builder, boolean topLevel) {
JetType realType = variable.getType();
JetType varargElementType =
variable instanceof ValueParameterDescriptor
? ((ValueParameterDescriptor) variable).getVarargElementType()
: null;
JetType typeToRender = varargElementType != null ? varargElementType : realType;
if (varargElementType != null) {
builder.append(renderKeyword("vararg")).append(" ");
}
if (topLevel && !startFromName) {
renderValVarPrefix(variable, builder);
}
renderName(variable, builder);
builder.append(": ").append(escape(renderType(typeToRender)));
if (verbose && varargElementType != null) {
builder.append(" /*").append(escape(renderType(realType))).append("*/");
}
}
private void renderValVarPrefix(
@NotNull VariableDescriptor variable, @NotNull StringBuilder builder) {
builder.append(renderKeyword(variable.isVar() ? "var" : "val")).append(" ");
}