processing/java/src/processing/mode/java/preproc/TokenUtil.java at master · kybr/processing · GitHub

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package processing.mode.java.preproc;

import java.lang.reflect.Field;

import antlr.collections.AST;

import processing.mode.java.preproc.PdeTokenTypes;

/**

* @author Jonathan Feinberg <jdf@pobox.com>

public class TokenUtil {

private static final String[] tokenNames= new String[200];

static {

for (int i = 0; i < tokenNames.length; i++) {

tokenNames[i] = "ERROR:" + i;

}

for (final Field f : PdeTokenTypes.class.getDeclaredFields()) {

try {

tokenNames[f.getInt(null)] = f.getName();

} catch (Exception unexpected) {

throw new RuntimeException(unexpected);

}

public static String nameOf(final AST node) {

return tokenNames[node.getType()];

}