private static String renderParameter(
ValueParameterDescriptor descriptor, boolean named, BindingContext bindingContext) {
StringBuilder builder = new StringBuilder();
if (named) builder.append("[");
if (descriptor.getVarargElementType() != null) {
builder.append("vararg ");
}
builder
.append(descriptor.getName())
.append(": ")
.append(DescriptorRenderer.TEXT.renderType(getActualParameterType(descriptor)));
if (descriptor.hasDefaultValue()) {
PsiElement element = BindingContextUtils.descriptorToDeclaration(bindingContext, descriptor);
String defaultExpression = "?";
if (element instanceof JetParameter) {
JetParameter parameter = (JetParameter) element;
JetExpression defaultValue = parameter.getDefaultValue();
if (defaultValue != null) {
if (defaultValue instanceof JetConstantExpression) {
JetConstantExpression constantExpression = (JetConstantExpression) defaultValue;
defaultExpression = constantExpression.getText();
if (defaultExpression.length() > 10) {
if (defaultExpression.startsWith("\"")) defaultExpression = "\"...\"";
else if (defaultExpression.startsWith("\'")) defaultExpression = "\'...\'";
else defaultExpression = defaultExpression.substring(0, 7) + "...";
}
}
}
}
builder.append(" = ").append(defaultExpression);
}
if (named) builder.append("]");
return builder.toString();
}
private static String renderParameter(ValueParameterDescriptor parameter, boolean named) {
StringBuilder builder = new StringBuilder();
if (named) builder.append("[");
if (parameter.getVarargElementType() != null) {
builder.append("vararg ");
}
builder
.append(parameter.getName())
.append(": ")
.append(
DescriptorRenderer.SHORT_NAMES_IN_TYPES.renderType(getActualParameterType(parameter)));
if (DescriptorUtilPackage.hasDefaultValue(parameter)) {
PsiElement parameterDeclaration = DescriptorToSourceUtils.descriptorToDeclaration(parameter);
builder.append(" = ").append(getDefaultExpressionString(parameterDeclaration));
}
if (named) builder.append("]");
return builder.toString();
}
private static JetType getActualParameterType(ValueParameterDescriptor descriptor) {
JetType paramType = descriptor.getType();
if (descriptor.getVarargElementType() != null) paramType = descriptor.getVarargElementType();
return paramType;
}