Example usage for org.antlr.v4.runtime.misc Utils join

Introduction

In this page you can find the example usage for org.antlr.v4.runtime.misc Utils join.

Prototype

public static <T> String join(T[] array, String separator) 

Source Link

Usage

From source file:org.tvl.goworks.editor.go.codemodel.impl.FunctionModelImpl.java

License:Open Source License

@Override
public String toString() {
    StringBuilder builder = new StringBuilder();
    builder.append("func");

    ParameterModelImpl receiver = getReceiverParameter();
    if (receiver != null) {
        builder.append(" (").append(receiver).append(")");
    }//from w ww .j ava 2 s . co  m

    builder.append(" ").append(getName());
    builder.append("(");
    builder.append(Utils.join(getParameters().iterator(), ", "));
    builder.append(")");

    @SuppressWarnings("LocalVariableHidesMemberVariable")
    Collection<? extends ParameterModel> returnValues = getReturnValues();
    if (returnValues.size() == 1 && returnValues.iterator().next().getName().equals("_")) {
        builder.append(" ").append(returnValues.iterator().next().getVarType());
    } else if (!returnValues.isEmpty()) {
        builder.append(" (");
        boolean first = true;
        for (ParameterModel parameter : returnValues) {
            if (first) {
                first = false;
            } else {
                builder.append(", ");
            }

            if (!"_".equals(parameter.getName())) {
                builder.append(parameter.getName()).append(' ');
            }

            builder.append(parameter.getVarType());
        }
        builder.append(')');
    }

    return builder.toString();
}

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