home | career | drupal | java | mac | mysql | perl | scala | uml | unix

Groovy example source code file (TraversalHelper.java)

This example Groovy source code file (TraversalHelper.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

antlrastprocessor, antlrastprocessor, arraylist, ast, groovysourceast, groovysourceast, list, traversalhelper, traversalhelper, util, visitor, visitor

The Groovy TraversalHelper.java source code

/*
 * Copyright 2003-2010 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.codehaus.groovy.antlr.treewalker;

import java.util.List;
import java.util.ArrayList;

import org.codehaus.groovy.antlr.GroovySourceAST;
import org.codehaus.groovy.antlr.AntlrASTProcessor;
import org.codehaus.groovy.antlr.parser.GroovyTokenTypes;

import antlr.collections.AST;

/**
 * Helper Class for Antlr AST traversal and visitation.
 *
 * @author <a href="mailto:groovy@ross-rayner.com">Jeremy Rayner
 * @version $Revision: 20587 $
 */
public abstract class TraversalHelper implements AntlrASTProcessor {
    protected List<GroovySourceAST> unvisitedNodes;
    private final Visitor v;

    public TraversalHelper(Visitor visitor) {
        this.unvisitedNodes = new ArrayList<GroovySourceAST>();
        this.v = visitor;
    }

    protected void setUp(GroovySourceAST ast) {
        v.setUp();
    }

    protected void tearDown(GroovySourceAST ast) {
        v.tearDown();
    }

    protected void push(GroovySourceAST ast) {
        v.push(ast);
    }

    protected GroovySourceAST pop() {
        return v.pop();
    }

    protected void visitNode(GroovySourceAST ast, int n) {
        if (ast != null) {
            switch (ast.getType()) {
                case GroovyTokenTypes.ABSTRACT                      :   v.visitAbstract(ast,n);                     break;
                case GroovyTokenTypes.ANNOTATION                    :   v.visitAnnotation(ast,n);                   break;
                case GroovyTokenTypes.ANNOTATIONS                   :   v.visitAnnotations(ast,n);                  break;
                case GroovyTokenTypes.ANNOTATION_ARRAY_INIT         :   v.visitAnnotationArrayInit(ast,n);          break; // obsolete?
                case GroovyTokenTypes.ANNOTATION_DEF                :   v.visitAnnotationDef(ast,n);                break;
                case GroovyTokenTypes.ANNOTATION_FIELD_DEF          :   v.visitAnnotationFieldDef(ast,n);           break;
                case GroovyTokenTypes.ANNOTATION_MEMBER_VALUE_PAIR  :   v.visitAnnotationMemberValuePair(ast,n);    break;
                case GroovyTokenTypes.ARRAY_DECLARATOR              :   v.visitArrayDeclarator(ast,n);              break;
                case GroovyTokenTypes.ASSIGN                        :   v.visitAssign(ast,n);                       break;
                case GroovyTokenTypes.AT                            :   v.visitAt(ast,n);                           break;
                case GroovyTokenTypes.BAND                          :   v.visitBand(ast,n);                         break;
                case GroovyTokenTypes.BAND_ASSIGN                   :   v.visitBandAssign(ast,n);                   break;
                case GroovyTokenTypes.BIG_SUFFIX                    :   v.visitBigSuffix(ast,n);                    break;
                case GroovyTokenTypes.BLOCK                         :   v.visitBlock(ast,n);                        break;
                case GroovyTokenTypes.BNOT                          :   v.visitBnot(ast,n);                         break;
                case GroovyTokenTypes.BOR                           :   v.visitBor(ast,n);                          break;
                case GroovyTokenTypes.BOR_ASSIGN                    :   v.visitBorAssign(ast,n);                    break;
                case GroovyTokenTypes.BSR                           :   v.visitBsr(ast,n);                          break;
                case GroovyTokenTypes.BSR_ASSIGN                    :   v.visitBsrAssign(ast,n);                    break;
                case GroovyTokenTypes.BXOR                          :   v.visitBxor(ast,n);                         break;
                case GroovyTokenTypes.BXOR_ASSIGN                   :   v.visitBxorAssign(ast,n);                   break;
                case GroovyTokenTypes.CASE_GROUP                    :   v.visitCaseGroup(ast,n);                    break;
                case GroovyTokenTypes.CLASS_DEF                     :   v.visitClassDef(ast,n);                     break;
                case GroovyTokenTypes.CLOSABLE_BLOCK                :   v.visitClosedBlock(ast,n);                  break;
                case GroovyTokenTypes.CLOSABLE_BLOCK_OP             :   v.visitClosureOp(ast,n);                    break;
                case GroovyTokenTypes.CLOSURE_LIST                  :   v.visitClosureList(ast,n);                  break;
                case GroovyTokenTypes.COLON                         :   v.visitColon(ast,n);                        break;
                case GroovyTokenTypes.COMMA                         :   v.visitComma(ast,n);                        break;
                case GroovyTokenTypes.COMPARE_TO                    :   v.visitCompareTo(ast,n);                    break;
                case GroovyTokenTypes.CTOR_CALL                     :   v.visitCtorCall(ast,n);                     break;
                case GroovyTokenTypes.CTOR_IDENT                    :   v.visitCtorIdent(ast,n);                    break;
                case GroovyTokenTypes.DEC                           :   v.visitDec(ast,n);                          break;
                case GroovyTokenTypes.DIGIT                         :   v.visitDigit(ast,n);                        break;
                case GroovyTokenTypes.DIV                           :   v.visitDiv(ast,n);                          break;
                case GroovyTokenTypes.DIV_ASSIGN                    :   v.visitDivAssign(ast,n);                    break;
                case GroovyTokenTypes.DOLLAR                        :   v.visitDollar(ast,n);                       break;
                case GroovyTokenTypes.DOLLAR_REGEXP_CTOR_END        :   v.visitRegexpCtorEnd(ast,n);                break;
                case GroovyTokenTypes.DOLLAR_REGEXP_LITERAL         :   v.visitRegexpLiteral(ast,n);                break;
                case GroovyTokenTypes.DOLLAR_REGEXP_SYMBOL          :   v.visitRegexpSymbol(ast,n);                 break;
                case GroovyTokenTypes.DOT                           :   v.visitDot(ast,n);                          break;
                case GroovyTokenTypes.DYNAMIC_MEMBER                :   v.visitDynamicMember(ast,n);                break;
                case GroovyTokenTypes.ELIST                         :   v.visitElist(ast,n);                        break;
                case GroovyTokenTypes.EMPTY_STAT                    :   v.visitEmptyStat(ast,n);                    break;
                case GroovyTokenTypes.ENUM_CONSTANT_DEF             :   v.visitEnumConstantDef(ast,n);              break;
                case GroovyTokenTypes.ENUM_DEF                      :   v.visitEnumDef(ast,n);                      break;
                case GroovyTokenTypes.EOF                           :   v.visitEof(ast,n);                          break;
                case GroovyTokenTypes.EQUAL                         :   v.visitEqual(ast,n);                        break;
                case GroovyTokenTypes.ESC                           :   v.visitEsc(ast,n);                          break;
                case GroovyTokenTypes.EXPONENT                      :   v.visitExponent(ast,n);                     break;
                case GroovyTokenTypes.EXPR                          :   v.visitExpr(ast,n);                         break;
                case GroovyTokenTypes.EXTENDS_CLAUSE                :   v.visitExtendsClause(ast,n);                break;
                case GroovyTokenTypes.FINAL                         :   v.visitFinal(ast,n);                        break;
                case GroovyTokenTypes.FLOAT_SUFFIX                  :   v.visitFloatSuffix(ast,n);                  break;
                case GroovyTokenTypes.FOR_CONDITION                 :   v.visitForCondition(ast,n);                 break;
                case GroovyTokenTypes.FOR_EACH_CLAUSE               :   v.visitForEachClause(ast,n);                break;
                case GroovyTokenTypes.FOR_INIT                      :   v.visitForInit(ast,n);                      break;
                case GroovyTokenTypes.FOR_IN_ITERABLE               :   v.visitForInIterable(ast,n);                break;
                case GroovyTokenTypes.FOR_ITERATOR                  :   v.visitForIterator(ast,n);                  break;
                case GroovyTokenTypes.GE                            :   v.visitGe(ast,n);                           break;
                case GroovyTokenTypes.GT                            :   v.visitGt(ast,n);                           break;
                case GroovyTokenTypes.HEX_DIGIT                     :   v.visitHexDigit(ast,n);                     break;
                case GroovyTokenTypes.IDENT                         :   v.visitIdent(ast,n);                        break;
                case GroovyTokenTypes.IMPLEMENTS_CLAUSE             :   v.visitImplementsClause(ast,n);             break;
                case GroovyTokenTypes.IMPLICIT_PARAMETERS           :   v.visitImplicitParameters(ast,n);           break;
                case GroovyTokenTypes.IMPORT                        :   v.visitImport(ast,n);                       break;
                case GroovyTokenTypes.INC                           :   v.visitInc(ast,n);                          break;
                case GroovyTokenTypes.INDEX_OP                      :   v.visitIndexOp(ast,n);                      break;
                case GroovyTokenTypes.INSTANCE_INIT                 :   v.visitInstanceInit(ast,n);                 break;
                case GroovyTokenTypes.INTERFACE_DEF                 :   v.visitInterfaceDef(ast,n);                 break;
                case GroovyTokenTypes.LABELED_ARG                   :   v.visitLabeledArg(ast,n);                   break;
                case GroovyTokenTypes.LABELED_STAT                  :   v.visitLabeledStat(ast,n);                  break;
                case GroovyTokenTypes.LAND                          :   v.visitLand(ast,n);                         break;
                case GroovyTokenTypes.LBRACK                        :   v.visitLbrack(ast,n);                       break;
                case GroovyTokenTypes.LCURLY                        :   v.visitLcurly(ast,n);                       break;
                case GroovyTokenTypes.LE                            :   v.visitLe(ast,n);                           break;
                case GroovyTokenTypes.LETTER                        :   v.visitLetter(ast,n);                       break;
                case GroovyTokenTypes.LIST_CONSTRUCTOR              :   v.visitListConstructor(ast,n);              break;
                case GroovyTokenTypes.LITERAL_as                    :   v.visitLiteralAs(ast,n);                    break;
                case GroovyTokenTypes.LITERAL_assert                :   v.visitLiteralAssert(ast,n);                break;
                case GroovyTokenTypes.LITERAL_boolean               :   v.visitLiteralBoolean(ast,n);               break;
                case GroovyTokenTypes.LITERAL_break                 :   v.visitLiteralBreak(ast,n);                 break;
                case GroovyTokenTypes.LITERAL_byte                  :   v.visitLiteralByte(ast,n);                  break;
                case GroovyTokenTypes.LITERAL_case                  :   v.visitLiteralCase(ast,n);                  break;
                case GroovyTokenTypes.LITERAL_catch                 :   v.visitLiteralCatch(ast,n);                 break;
                case GroovyTokenTypes.LITERAL_char                  :   v.visitLiteralChar(ast,n);                  break;
                case GroovyTokenTypes.LITERAL_class                 :   v.visitLiteralClass(ast,n);                 break;
                case GroovyTokenTypes.LITERAL_continue              :   v.visitLiteralContinue(ast,n);              break;
                case GroovyTokenTypes.LITERAL_def                   :   v.visitLiteralDef(ast,n);                   break;
                case GroovyTokenTypes.LITERAL_default               :   v.visitLiteralDefault(ast,n);               break;
                case GroovyTokenTypes.LITERAL_double                :   v.visitLiteralDouble(ast,n);                break;
                case GroovyTokenTypes.LITERAL_else                  :   v.visitLiteralElse(ast,n);                  break;
                case GroovyTokenTypes.LITERAL_enum                  :   v.visitLiteralEnum(ast,n);                  break;
                case GroovyTokenTypes.LITERAL_extends               :   v.visitLiteralExtends(ast,n);               break;
                case GroovyTokenTypes.LITERAL_false                 :   v.visitLiteralFalse(ast,n);                 break;
                case GroovyTokenTypes.LITERAL_finally               :   v.visitLiteralFinally(ast,n);               break;
                case GroovyTokenTypes.LITERAL_float                 :   v.visitLiteralFloat(ast,n);                 break;
                case GroovyTokenTypes.LITERAL_for                   :   v.visitLiteralFor(ast,n);                   break;
                case GroovyTokenTypes.LITERAL_if                    :   v.visitLiteralIf(ast,n);                    break;
                case GroovyTokenTypes.LITERAL_implements            :   v.visitLiteralImplements(ast,n);            break;
                case GroovyTokenTypes.LITERAL_import                :   v.visitLiteralImport(ast,n);                break;
                case GroovyTokenTypes.LITERAL_in                    :   v.visitLiteralIn(ast,n);                    break;
                case GroovyTokenTypes.LITERAL_instanceof            :   v.visitLiteralInstanceof(ast,n);            break;
                case GroovyTokenTypes.LITERAL_int                   :   v.visitLiteralInt(ast,n);                   break;
                case GroovyTokenTypes.LITERAL_interface             :   v.visitLiteralInterface(ast,n);             break;
                case GroovyTokenTypes.LITERAL_long                  :   v.visitLiteralLong(ast,n);                  break;
                case GroovyTokenTypes.LITERAL_native                :   v.visitLiteralNative(ast,n);                break;
                case GroovyTokenTypes.LITERAL_new                   :   v.visitLiteralNew(ast,n);                   break;
                case GroovyTokenTypes.LITERAL_null                  :   v.visitLiteralNull(ast,n);                  break;
                case GroovyTokenTypes.LITERAL_package               :   v.visitLiteralPackage(ast,n);               break;
                case GroovyTokenTypes.LITERAL_private               :   v.visitLiteralPrivate(ast,n);               break;
                case GroovyTokenTypes.LITERAL_protected             :   v.visitLiteralProtected(ast,n);             break;
                case GroovyTokenTypes.LITERAL_public                :   v.visitLiteralPublic(ast,n);                break;
                case GroovyTokenTypes.LITERAL_return                :   v.visitLiteralReturn(ast,n);                break;
                case GroovyTokenTypes.LITERAL_short                 :   v.visitLiteralShort(ast,n);                 break;
                case GroovyTokenTypes.LITERAL_static                :   v.visitLiteralStatic(ast,n);                break;
                case GroovyTokenTypes.LITERAL_super                 :   v.visitLiteralSuper(ast,n);                 break;
                case GroovyTokenTypes.LITERAL_switch                :   v.visitLiteralSwitch(ast,n);                break;
                case GroovyTokenTypes.LITERAL_synchronized          :   v.visitLiteralSynchronized(ast,n);          break;
                case GroovyTokenTypes.LITERAL_this                  :   v.visitLiteralThis(ast,n);                  break;
                case GroovyTokenTypes.LITERAL_threadsafe            :   v.visitLiteralThreadsafe(ast,n);            break;
                case GroovyTokenTypes.LITERAL_throw                 :   v.visitLiteralThrow(ast,n);                 break;
                case GroovyTokenTypes.LITERAL_throws                :   v.visitLiteralThrows(ast,n);                break;
                case GroovyTokenTypes.LITERAL_transient             :   v.visitLiteralTransient(ast,n);             break;
                case GroovyTokenTypes.LITERAL_true                  :   v.visitLiteralTrue(ast,n);                  break;
                case GroovyTokenTypes.LITERAL_try                   :   v.visitLiteralTry(ast,n);                   break;
                case GroovyTokenTypes.LITERAL_void                  :   v.visitLiteralVoid(ast,n);                  break;
                case GroovyTokenTypes.LITERAL_volatile              :   v.visitLiteralVolatile(ast,n);              break;
                case GroovyTokenTypes.LITERAL_while                 :   v.visitLiteralWhile(ast,n);                 break;
                case GroovyTokenTypes.LNOT                          :   v.visitLnot(ast,n);                         break;
                case GroovyTokenTypes.LOR                           :   v.visitLor(ast,n);                          break;
                case GroovyTokenTypes.LPAREN                        :   v.visitLparen(ast,n);                       break;
                case GroovyTokenTypes.LT                            :   v.visitLt(ast,n);                           break;
                case GroovyTokenTypes.MAP_CONSTRUCTOR               :   v.visitMapConstructor(ast,n);               break;
                case GroovyTokenTypes.MEMBER_POINTER                :   v.visitMemberPointer(ast,n);                break;
                case GroovyTokenTypes.METHOD_CALL                   :   v.visitMethodCall(ast,n);                   break;
                case GroovyTokenTypes.METHOD_DEF                    :   v.visitMethodDef(ast,n);                    break;
                case GroovyTokenTypes.MINUS                         :   v.visitMinus(ast,n);                        break;
                case GroovyTokenTypes.MINUS_ASSIGN                  :   v.visitMinusAssign(ast,n);                  break;
                case GroovyTokenTypes.ML_COMMENT                    :   v.visitMlComment(ast,n);                    break;
                case GroovyTokenTypes.MOD                           :   v.visitMod(ast,n);                          break;
                case GroovyTokenTypes.MODIFIERS                     :   v.visitModifiers(ast,n);                    break;
                case GroovyTokenTypes.MOD_ASSIGN                    :   v.visitModAssign(ast,n);                    break;
                case GroovyTokenTypes.NLS                           :   v.visitNls(ast,n);                          break;
                case GroovyTokenTypes.NOT_EQUAL                     :   v.visitNotEqual(ast,n);                     break;
                case GroovyTokenTypes.NULL_TREE_LOOKAHEAD           :   v.visitNullTreeLookahead(ast,n);            break;
                case GroovyTokenTypes.NUM_BIG_DECIMAL               :   v.visitNumBigDecimal(ast,n);                break;
                case GroovyTokenTypes.NUM_BIG_INT                   :   v.visitNumBigInt(ast,n);                    break;
                case GroovyTokenTypes.NUM_DOUBLE                    :   v.visitNumDouble(ast,n);                    break;
                case GroovyTokenTypes.NUM_FLOAT                     :   v.visitNumFloat(ast,n);                     break;
                case GroovyTokenTypes.NUM_INT                       :   v.visitNumInt(ast,n);                       break;
                case GroovyTokenTypes.NUM_LONG                      :   v.visitNumLong(ast,n);                      break;
                case GroovyTokenTypes.OBJBLOCK                      :   v.visitObjblock(ast,n);                     break;
                case GroovyTokenTypes.ONE_NL                        :   v.visitOneNl(ast,n);                        break;
                case GroovyTokenTypes.OPTIONAL_DOT                  :   v.visitOptionalDot(ast,n);                  break;
                case GroovyTokenTypes.PACKAGE_DEF                   :   v.visitPackageDef(ast,n);                   break;
                case GroovyTokenTypes.PARAMETERS                    :   v.visitParameters(ast,n);                   break;
                case GroovyTokenTypes.PARAMETER_DEF                 :   v.visitParameterDef(ast,n);                 break;
                case GroovyTokenTypes.PLUS                          :   v.visitPlus(ast,n);                         break;
                case GroovyTokenTypes.PLUS_ASSIGN                   :   v.visitPlusAssign(ast,n);                   break;
                case GroovyTokenTypes.POST_DEC                      :   v.visitPostDec(ast,n);                      break;
                case GroovyTokenTypes.POST_INC                      :   v.visitPostInc(ast,n);                      break;
                case GroovyTokenTypes.QUESTION                      :   v.visitQuestion(ast,n);                     break;
                case GroovyTokenTypes.RANGE_EXCLUSIVE               :   v.visitRangeExclusive(ast,n);               break;
                case GroovyTokenTypes.RANGE_INCLUSIVE               :   v.visitRangeInclusive(ast,n);               break;
                case GroovyTokenTypes.RBRACK                        :   v.visitRbrack(ast,n);                       break;
                case GroovyTokenTypes.RCURLY                        :   v.visitRcurly(ast,n);                       break;
                case GroovyTokenTypes.REGEXP_CTOR_END               :   v.visitRegexpCtorEnd(ast,n);                break;
                case GroovyTokenTypes.REGEXP_LITERAL                :   v.visitRegexpLiteral(ast,n);                break;
                case GroovyTokenTypes.REGEXP_SYMBOL                 :   v.visitRegexpSymbol(ast,n);                 break;
                case GroovyTokenTypes.REGEX_FIND                    :   v.visitRegexFind(ast,n);                    break;
                case GroovyTokenTypes.REGEX_MATCH                   :   v.visitRegexMatch(ast,n);                   break;
                case GroovyTokenTypes.RPAREN                        :   v.visitRparen(ast,n);                       break;
                case GroovyTokenTypes.SELECT_SLOT                   :   v.visitSelectSlot(ast,n);                   break;
                case GroovyTokenTypes.SEMI                          :   v.visitSemi(ast,n);                         break;
                case GroovyTokenTypes.SH_COMMENT                    :   v.visitShComment(ast,n);                    break;
                case GroovyTokenTypes.SL                            :   v.visitSl(ast,n);                           break;
                case GroovyTokenTypes.SLIST                         :   v.visitSlist(ast,n);                        break;
                case GroovyTokenTypes.SL_ASSIGN                     :   v.visitSlAssign(ast,n);                     break;
                case GroovyTokenTypes.SL_COMMENT                    :   v.visitSlComment(ast,n);                    break;
                case GroovyTokenTypes.SPREAD_ARG                    :   v.visitSpreadArg(ast,n);                    break;
                case GroovyTokenTypes.SPREAD_DOT                    :   v.visitSpreadDot(ast,n);                    break;
                case GroovyTokenTypes.SPREAD_MAP_ARG                :   v.visitSpreadMapArg(ast,n);                 break;
                case GroovyTokenTypes.SR                            :   v.visitSr(ast,n);                           break;
                case GroovyTokenTypes.SR_ASSIGN                     :   v.visitSrAssign(ast,n);                     break;
                case GroovyTokenTypes.STAR                          :   v.visitStar(ast,n);                         break;
                case GroovyTokenTypes.STAR_ASSIGN                   :   v.visitStarAssign(ast,n);                   break;
                case GroovyTokenTypes.STAR_STAR                     :   v.visitStarStar(ast,n);                     break;
                case GroovyTokenTypes.STAR_STAR_ASSIGN              :   v.visitStarStarAssign(ast,n);               break;
                case GroovyTokenTypes.STATIC_IMPORT                 :   v.visitStaticImport(ast,n);                 break;
                case GroovyTokenTypes.STATIC_INIT                   :   v.visitStaticInit(ast,n);                   break;
                case GroovyTokenTypes.STRICTFP                      :   v.visitStrictfp(ast,n);                     break;
                case GroovyTokenTypes.STRING_CH                     :   v.visitStringCh(ast,n);                     break;
                case GroovyTokenTypes.STRING_CONSTRUCTOR            :   v.visitStringConstructor(ast,n);            break;
                case GroovyTokenTypes.STRING_CTOR_END               :   v.visitStringCtorEnd(ast,n);                break;
                case GroovyTokenTypes.STRING_CTOR_MIDDLE            :   v.visitStringCtorMiddle(ast,n);             break;
                case GroovyTokenTypes.STRING_CTOR_START             :   v.visitStringCtorStart(ast,n);              break;
                case GroovyTokenTypes.STRING_LITERAL                :   v.visitStringLiteral(ast,n);                break;
                case GroovyTokenTypes.STRING_NL                     :   v.visitStringNl(ast,n);                     break;
                case GroovyTokenTypes.SUPER_CTOR_CALL               :   v.visitSuperCtorCall(ast,n);                break;
                case GroovyTokenTypes.TRIPLE_DOT                    :   v.visitTripleDot(ast,n);                    break;
                case GroovyTokenTypes.TYPE                          :   v.visitType(ast,n);                         break;
                case GroovyTokenTypes.TYPECAST                      :   v.visitTypecast(ast,n);                     break;
                case GroovyTokenTypes.TYPE_ARGUMENT                 :   v.visitTypeArgument(ast,n);                 break;
                case GroovyTokenTypes.TYPE_ARGUMENTS                :   v.visitTypeArguments(ast,n);                break;
                case GroovyTokenTypes.TYPE_LOWER_BOUNDS             :   v.visitTypeLowerBounds(ast,n);              break;
                case GroovyTokenTypes.TYPE_PARAMETER                :   v.visitTypeParameter(ast,n);                break;
                case GroovyTokenTypes.TYPE_PARAMETERS               :   v.visitTypeParameters(ast,n);               break;
                case GroovyTokenTypes.TYPE_UPPER_BOUNDS             :   v.visitTypeUpperBounds(ast,n);              break;
                case GroovyTokenTypes.UNARY_MINUS                   :   v.visitUnaryMinus(ast,n);                   break;
                case GroovyTokenTypes.UNARY_PLUS                    :   v.visitUnaryPlus(ast,n);                    break;
                case GroovyTokenTypes.UNUSED_CONST                  :   v.visitUnusedConst(ast,n);                  break;
                case GroovyTokenTypes.UNUSED_DO                     :   v.visitUnusedDo(ast,n);                     break;
                case GroovyTokenTypes.UNUSED_GOTO                   :   v.visitUnusedGoto(ast,n);                   break;
                case GroovyTokenTypes.VARIABLE_DEF                  :   v.visitVariableDef(ast,n);                  break;
                case GroovyTokenTypes.VARIABLE_PARAMETER_DEF        :   v.visitVariableParameterDef(ast,n);         break;
                case GroovyTokenTypes.VOCAB                         :   v.visitVocab(ast,n);                        break;
                case GroovyTokenTypes.WILDCARD_TYPE                 :   v.visitWildcardType(ast,n);                 break;
                case GroovyTokenTypes.WS                            :   v.visitWs(ast,n);                           break;


                default                                             :   v.visitDefault(ast,n);                      break;
            }
        } else {
            // the supplied AST was null
            v.visitDefault(null,n);
        }
    }

    protected abstract void accept(GroovySourceAST currentNode);

    protected void accept_v_FirstChildsFirstChild_v_Child2_Child3_v_Child4_v___v_LastChild(GroovySourceAST t) {
        openingVisit(t);
        GroovySourceAST expr2 = t.childAt(0);
        skip(expr2);
        accept(expr2.childAt(0));
        closingVisit(t);

        GroovySourceAST sibling = (GroovySourceAST) expr2.getNextSibling();
        boolean firstSList = true;
        while (sibling != null) {
            if (!firstSList) {
                subsequentVisit(t);
            }
            firstSList = false;
            accept(sibling);
            sibling = (GroovySourceAST) sibling.getNextSibling();
        }
    }

    protected void accept_v_FirstChildsFirstChild_v_RestOfTheChildren(GroovySourceAST t) {
        openingVisit(t);
        GroovySourceAST expr = t.childAt(0);
        skip(expr);
        accept(expr.childAt(0));
        closingVisit(t);
        acceptSiblings(expr);
    }

    protected void accept_FirstChild_v_SecondChild(GroovySourceAST t) {
        accept(t.childAt(0));
        subsequentVisit(t);
        accept(t.childAt(1));
    }

    protected void accept_FirstChild_v_SecondChild_v(GroovySourceAST t) {
        accept(t.childAt(0));
        openingVisit(t);
        accept(t.childAt(1));
        closingVisit(t);
    }

    protected void accept_SecondChild_v_ThirdChild_v(GroovySourceAST t) {
        accept(t.childAt(1));
        openingVisit(t);
        accept(t.childAt(2));
        closingVisit(t);
    }

    protected void accept_FirstChild_v_SecondChildsChildren_v(GroovySourceAST t) {
        accept(t.childAt(0));

        openingVisit(t);
        GroovySourceAST secondChild = t.childAt(1);
        if (secondChild != null) {
            acceptChildren(secondChild);
        }
        closingVisit(t);
    }


    protected void accept_v_FirstChild_SecondChild_v_ThirdChild_v(GroovySourceAST t) {
        openingVisit(t);
        accept(t.childAt(0));
        accept(t.childAt(1));
        subsequentVisit(t);
        accept(t.childAt(2));
        closingVisit(t);
    }

    protected void accept_FirstChild_v_SecondChild_v_ThirdChild_v(GroovySourceAST t) {
        accept(t.childAt(0));
        openingVisit(t);
        accept(t.childAt(1));
        subsequentVisit(t);
        accept(t.childAt(2));
        closingVisit(t);
    }

    protected void accept_FirstSecondAndThirdChild_v_v_ForthChild(GroovySourceAST t) {
        GroovySourceAST child1 = (GroovySourceAST) t.getFirstChild();
        if (child1 != null) {
            accept(child1);
            GroovySourceAST child2 = (GroovySourceAST) child1.getNextSibling();
            if (child2 != null) {
                accept(child2);
                GroovySourceAST child3 = (GroovySourceAST) child2.getNextSibling();
                if (child3 != null) {
                    accept(child3);
                    openingVisit(t);
                    GroovySourceAST child4 = (GroovySourceAST) child3.getNextSibling();
                    if (child4 != null) {
                        subsequentVisit(t);
                        accept(child4);
                    }
                }
            }
        }
    }

    protected void accept_v_FirstChild_2ndv_SecondChild_v___LastChild_v(GroovySourceAST t) {
        openingVisit(t);
        GroovySourceAST child = (GroovySourceAST) t.getFirstChild();
        if (child != null) {
            accept(child);
            GroovySourceAST sibling = (GroovySourceAST) child.getNextSibling();
            if (sibling != null) {
                secondVisit(t);
                accept(sibling);
                sibling = (GroovySourceAST) sibling.getNextSibling();
                while (sibling != null) {
                    subsequentVisit(t);
                    accept(sibling);
                    sibling = (GroovySourceAST) sibling.getNextSibling();
                }
            }
        }
        closingVisit(t);
    }

    protected void accept_v_FirstChild_v_SecondChild_v___LastChild_v(GroovySourceAST t) {
        openingVisit(t);
        GroovySourceAST child = (GroovySourceAST) t.getFirstChild();
        if (child != null) {
            accept(child);
            GroovySourceAST sibling = (GroovySourceAST) child.getNextSibling();
            while (sibling != null) {
                subsequentVisit(t);
                accept(sibling);
                sibling = (GroovySourceAST) sibling.getNextSibling();
            }
        }
        closingVisit(t);
    }

    protected void accept_v_FirstChild_v(GroovySourceAST t) {
        openingVisit(t);
        accept(t.childAt(0));
        closingVisit(t);
    }

    protected void accept_v_Siblings_v(GroovySourceAST t) {
        openingVisit(t);
        acceptSiblings(t);
        closingVisit(t);
    }

    protected void accept_v_AllChildren_v_Siblings(GroovySourceAST t) {
        openingVisit(t);
        acceptChildren(t);
        closingVisit(t);
        acceptSiblings(t);
    }

    protected void accept_v_AllChildren_v(GroovySourceAST t) {
        openingVisit(t);
        acceptChildren(t);
        closingVisit(t);
    }

    protected void accept_FirstChild_v_RestOfTheChildren(GroovySourceAST t) {
        accept(t.childAt(0));
        openingVisit(t);
        closingVisit(t);
        acceptSiblings(t.childAt(0));
    }

    protected void accept_FirstChild_v_RestOfTheChildren_v_LastChild(GroovySourceAST t) {
        int count = 0;
        accept(t.childAt(0));
        count++;
        openingVisit(t);
        if (t.childAt(0) != null) {
            GroovySourceAST sibling = (GroovySourceAST) t.childAt(0).getNextSibling();
            while (sibling != null) {
                if (count == t.getNumberOfChildren() - 1) {
                    closingVisit(t);
                }
                accept(sibling);
                count++;
                sibling = (GroovySourceAST) sibling.getNextSibling();
            }
        }


    }

    protected void accept_FirstChild_v_RestOfTheChildren_v(GroovySourceAST t) {
        accept(t.childAt(0));
        openingVisit(t);
        acceptSiblings(t.childAt(0));
        closingVisit(t);
    }

    protected void accept_v_FirstChild_v_RestOfTheChildren(GroovySourceAST t) {
        accept_v_FirstChild_v(t);
        acceptSiblings(t.childAt(0));
    }

    protected void accept_v_FirstChild_v_RestOfTheChildren_v(GroovySourceAST t) {
        openingVisit(t);
        accept(t.childAt(0));
        subsequentVisit(t);
        acceptSiblings(t.childAt(0));
        closingVisit(t);
    }

    protected void acceptSiblings(GroovySourceAST t) {
        if (t != null) {
            GroovySourceAST sibling = (GroovySourceAST) t.getNextSibling();
            while (sibling != null) {
                accept(sibling);
                sibling = (GroovySourceAST) sibling.getNextSibling();
            }
        }
    }

    protected void acceptChildren(GroovySourceAST t) {
        if (t != null) {
            GroovySourceAST child = (GroovySourceAST) t.getFirstChild();
            if (child != null) {
                accept(child);
                acceptSiblings(child);
            }
        }
    }

    protected void skip(GroovySourceAST expr) {
        unvisitedNodes.remove(expr);
    }

    protected void openingVisit(GroovySourceAST t) {
        unvisitedNodes.remove(t);

        int n = Visitor.OPENING_VISIT;
        visitNode(t, n);
    }

    protected void secondVisit(GroovySourceAST t) {
        int n = Visitor.SECOND_VISIT;
        visitNode(t, n);
    }

    protected void subsequentVisit(GroovySourceAST t) {
        int n = Visitor.SUBSEQUENT_VISIT;
        visitNode(t, n);
    }

    protected void closingVisit(GroovySourceAST t) {
        int n = Visitor.CLOSING_VISIT;
        visitNode(t, n);
    }

    public AST process(AST t) {
        GroovySourceAST node = (GroovySourceAST) t;

        // process each node in turn
        setUp(node);
        accept(node);
        acceptSiblings(node);
        tearDown(node);
        return null;
    }
}

Other Groovy examples (source code examples)

Here is a short list of links related to this Groovy TraversalHelper.java source code file:

new blog posts

 

Copyright 1998-2013 Alvin Alexander, alvinalexander.com
All Rights Reserved.