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package org.javacc.mojo;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.codehaus.plexus.util.StringUtils;
/**
* Provides a facade for the mojos to invoke JavaCC.
*
* @author Benjamin Bentmann
* @version $Id$
* @see JavaCC Command Line Syntax
*/
class JavaCC
extends ToolFacade
{
/**
* The input grammar.
*/
private File inputFile;
/**
* The option OUTPUT_DIRECTORY.
*/
private File outputDirectory;
/**
* The option GRAMMAR_ENCODING.
*/
private String grammarEncoding;
/**
* The option JDK_VERSION.
*/
private String jdkVersion;
/**
* The option STATIC.
*/
private Boolean isStatic;
/**
* The option LOOK_AHEAD.
*/
private Integer lookAhead;
/**
* The option CHOICE_AMBIGUITY_CHECK.
*/
private Integer choiceAmbiguityCheck;
/**
* The option OTHER_AMBIGUITY_CHECK.
*/
private Integer otherAmbiguityCheck;
/**
* The option DEBUG_PARSER.
*/
private Boolean debugParser;
/**
* The option DEBUG_LOOK_AHEAD.
*/
private Boolean debugLookAhead;
/**
* The option DEBUG_TOKEN_MANAGER.
*/
private Boolean debugTokenManager;
/**
* The option ERROR_REPORTING.
*/
private Boolean errorReporting;
/**
* The option JAVA_UNICODE_ESCAPE.
*/
private Boolean javaUnicodeEscape;
/**
* The option UNICODE_INPUT.
*/
private Boolean unicodeInput;
/**
* The option IGNORE_CASE.
*/
private Boolean ignoreCase;
/**
* The option COMMON_TOKEN_ACTION.
*/
private Boolean commonTokenAction;
/**
* The option USER_TOKEN_MANAGER.
*/
private Boolean userTokenManager;
/**
* The option USER_CHAR_STREAM.
*/
private Boolean userCharStream;
/**
* The option BUILD_PARSER.
*/
private Boolean buildParser;
/**
* The option BUILD_TOKEN_MANAGER.
*/
private Boolean buildTokenManager;
/**
* The option TOKEN_MANAGER_USES_PARSER.
*/
private Boolean tokenManagerUsesParser;
/**
* The option TOKEN_EXTENDS.
*/
private String tokenExtends;
/**
* The option TOKEN_FACTORY.
*/
private String tokenFactory;
/**
* The option SANITY_CHECK.
*/
private Boolean sanityCheck;
/**
* The option FORCE_LA_CHECK.
*/
private Boolean forceLaCheck;
/**
* The option CACHE_TOKENS.
*/
private Boolean cacheTokens;
/**
* The option KEEP_LINE_COLUMN.
*/
private Boolean keepLineColumn;
/**
* The option SUPPORT_CLASS_VISIBILITY_PUBLIC.
*/
private Boolean supportClassVisibilityPublic;
/**
* The option CODE_GENERATOR.
*/
private String codeGenerator;
/**
* The option OUTPUT_LANGUAGE.
*/
private String outputLanguage;
/**
/**
* Sets the absolute path to the grammar file to pass into JavaCC for compilation.
*
* @param value The absolute path to the grammar file to pass into JavaCC for compilation.
*/
public void setInputFile( File value )
{
if ( value != null && !value.isAbsolute() )
{
throw new IllegalArgumentException( "path is not absolute: " + value );
}
this.inputFile = value;
}
/**
* Sets the absolute path to the output directory.
*
* @param value The absolute path to the output directory for the generated parser file. If this directory does not
* exist yet, it is created. Note that this path should already include the desired package hierarchy
* because JavaCC will not append the required sub directories automatically.
*/
public void setOutputDirectory( File value )
{
if ( value != null && !value.isAbsolute() )
{
throw new IllegalArgumentException( "path is not absolute: " + value );
}
this.outputDirectory = value;
}
/**
* Sets the option GRAMMAR_ENCODING.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setGrammarEncoding( String value )
{
this.grammarEncoding = value;
}
/**
* Sets the option JDK_VERSION.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setJdkVersion( String value )
{
this.jdkVersion = value;
}
/**
* Sets the option STATIC.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setStatic( Boolean value )
{
this.isStatic = value;
}
/**
* Sets the option LOOK_AHEAD.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setLookAhead( Integer value )
{
this.lookAhead = value;
}
/**
* Sets the option CHOICE_AMBIGUITY_CHECK.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setChoiceAmbiguityCheck( Integer value )
{
this.choiceAmbiguityCheck = value;
}
/**
* Sets the option OTHER_AMBIGUITY_CHECK.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setOtherAmbiguityCheck( Integer value )
{
this.otherAmbiguityCheck = value;
}
/**
* Sets the option DEBUG_PARSER.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setDebugParser( Boolean value )
{
this.debugParser = value;
}
/**
* Sets the option DEBUG_LOOK_AHEAD.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setDebugLookAhead( Boolean value )
{
this.debugLookAhead = value;
}
/**
* Sets the option DEBUG_TOKEN_MANAGER.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setDebugTokenManager( Boolean value )
{
this.debugTokenManager = value;
}
/**
* Sets the option ERROR_REPORTING.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setErrorReporting( Boolean value )
{
this.errorReporting = value;
}
/**
* Sets the option JAVA_UNICODE_ESCAPE.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setJavaUnicodeEscape( Boolean value )
{
this.javaUnicodeEscape = value;
}
/**
* Sets the option UNICODE_INPUT.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setUnicodeInput( Boolean value )
{
this.unicodeInput = value;
}
/**
* Sets the option IGNORE_CASE.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setIgnoreCase( Boolean value )
{
this.ignoreCase = value;
}
/**
* Sets the option COMMON_TOKEN_ACTION.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setCommonTokenAction( Boolean value )
{
this.commonTokenAction = value;
}
/**
* Sets the option USER_TOKEN_MANAGER.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setUserTokenManager( Boolean value )
{
this.userTokenManager = value;
}
/**
* Sets the option USER_CHAR_STREAM.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setUserCharStream( Boolean value )
{
this.userCharStream = value;
}
/**
* Sets the option BUILD_PARSER.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setBuildParser( Boolean value )
{
this.buildParser = value;
}
/**
* Sets the option BUILD_TOKEN_MANAGER.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setBuildTokenManager( Boolean value )
{
this.buildTokenManager = value;
}
/**
* Sets the option TOKEN_MANAGER_USES_PARSER.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setTokenManagerUsesParser( Boolean value )
{
this.tokenManagerUsesParser = value;
}
/**
* Sets the option TOKEN_EXTENDS.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setTokenExtends( String value )
{
this.tokenExtends = value;
}
/**
* Sets the option TOKEN_FACTORY.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setTokenFactory( String value )
{
this.tokenFactory = value;
}
/**
* Sets the option SANITY_CHECK.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setSanityCheck( Boolean value )
{
this.sanityCheck = value;
}
/**
* Sets the option FORCE_LA_CHECK.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setForceLaCheck( Boolean value )
{
this.forceLaCheck = value;
}
/**
* Sets the option CACHE_TOKENS.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setCacheTokens( Boolean value )
{
this.cacheTokens = value;
}
/**
* Sets the option KEEP_LINE_COLUMN.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setKeepLineColumn( Boolean value )
{
this.keepLineColumn = value;
}
/**
* Sets the option SUPPORT_CLASS_VISIBILITY_PUBLIC.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setSupportClassVisibilityPublic( Boolean value )
{
this.supportClassVisibilityPublic = value;
}
/**
* Sets the option CODE_GENERATOR.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setCodeGenerator( String value )
{
this.codeGenerator = value;
}
/**
* Sets the option OUTPUT_LANGUAGE.
*
* @param value The option value, may be null to use the value provided in the grammar or the default.
*/
public void setOutputLanguage( String value )
{
this.outputLanguage = value;
}
/**
* {@inheritDoc}
*/
protected int execute()
throws Exception
{
String[] args = generateArguments();
if ( this.outputDirectory != null && !this.outputDirectory.exists() )
{
this.outputDirectory.mkdirs();
}
if ( getLog().isDebugEnabled() )
{
getLog().debug( toString() );
}
return org.javacc.parser.Main.mainProgram( args );
}
/**
* Assembles the command line arguments for the invocation of JavaCC according to the configuration.
* Note: To prevent conflicts with JavaCC options that might be set directly in the grammar file,
* only those parameters that have been explicitly set are passed on the command line.
*
* @return A string array that represents the command line arguments to use for JavaCC.
*/
private String[] generateArguments()
{
List argsList = new ArrayList();
if ( StringUtils.isNotEmpty( this.grammarEncoding ) )
{
argsList.add( "-GRAMMAR_ENCODING=" + this.grammarEncoding );
}
if ( StringUtils.isNotEmpty( this.jdkVersion ) )
{
argsList.add( "-JDK_VERSION=" + this.jdkVersion );
}
if ( this.lookAhead != null )
{
argsList.add( "-LOOKAHEAD=" + this.lookAhead );
}
if ( this.choiceAmbiguityCheck != null )
{
argsList.add( "-CHOICE_AMBIGUITY_CHECK=" + this.choiceAmbiguityCheck );
}
if ( this.otherAmbiguityCheck != null )
{
argsList.add( "-OTHER_AMBIGUITY_CHECK=" + this.otherAmbiguityCheck );
}
if ( this.isStatic != null )
{
argsList.add( "-STATIC=" + this.isStatic );
}
if ( this.debugParser != null )
{
argsList.add( "-DEBUG_PARSER=" + this.debugParser );
}
if ( this.debugLookAhead != null )
{
argsList.add( "-DEBUG_LOOKAHEAD=" + this.debugLookAhead );
}
if ( this.debugTokenManager != null )
{
argsList.add( "-DEBUG_TOKEN_MANAGER=" + this.debugTokenManager );
}
if ( this.errorReporting != null )
{
argsList.add( "-ERROR_REPORTING=" + this.errorReporting );
}
if ( this.javaUnicodeEscape != null )
{
argsList.add( "-JAVA_UNICODE_ESCAPE=" + this.javaUnicodeEscape );
}
if ( this.unicodeInput != null )
{
argsList.add( "-UNICODE_INPUT=" + this.unicodeInput );
}
if ( this.ignoreCase != null )
{
argsList.add( "-IGNORE_CASE=" + this.ignoreCase );
}
if ( this.commonTokenAction != null )
{
argsList.add( "-COMMON_TOKEN_ACTION=" + this.commonTokenAction );
}
if ( this.userTokenManager != null )
{
argsList.add( "-USER_TOKEN_MANAGER=" + this.userTokenManager );
}
if ( this.userCharStream != null )
{
argsList.add( "-USER_CHAR_STREAM=" + this.userCharStream );
}
if ( this.buildParser != null )
{
argsList.add( "-BUILD_PARSER=" + this.buildParser );
}
if ( this.buildTokenManager != null )
{
argsList.add( "-BUILD_TOKEN_MANAGER=" + this.buildTokenManager );
}
if ( this.tokenManagerUsesParser != null )
{
argsList.add( "-TOKEN_MANAGER_USES_PARSER=" + this.tokenManagerUsesParser );
}
if ( StringUtils.isNotEmpty( this.tokenExtends ) )
{
argsList.add( "-TOKEN_EXTENDS=" + this.tokenExtends );
}
if ( StringUtils.isNotEmpty( this.tokenFactory ) )
{
argsList.add( "-TOKEN_FACTORY=" + this.tokenFactory );
}
if ( this.sanityCheck != null )
{
argsList.add( "-SANITY_CHECK=" + this.sanityCheck );
}
if ( this.forceLaCheck != null )
{
argsList.add( "-FORCE_LA_CHECK=" + this.forceLaCheck );
}
if ( this.cacheTokens != null )
{
argsList.add( "-CACHE_TOKENS=" + this.cacheTokens );
}
if ( this.keepLineColumn != null )
{
argsList.add( "-KEEP_LINE_COLUMN=" + this.keepLineColumn );
}
if ( this.supportClassVisibilityPublic != null )
{
argsList.add( "-SUPPORT_CLASS_VISIBILITY_PUBLIC=" + this.supportClassVisibilityPublic );
}
if ( StringUtils.isNotEmpty( this.codeGenerator ) )
{
argsList.add( "-CODE_GENERATOR=" + this.codeGenerator );
}
if ( StringUtils.isNotEmpty( this.outputLanguage ) )
{
argsList.add( "-OUTPUT_LANGUAGE=" + this.outputLanguage );
}
if ( this.outputDirectory != null )
{
argsList.add( "-OUTPUT_DIRECTORY=" + this.outputDirectory.getAbsolutePath() );
}
if ( this.inputFile != null )
{
argsList.add( this.inputFile.getAbsolutePath() );
}
return (String[]) argsList.toArray( new String[argsList.size()] );
}
/**
* Gets a string representation of the command line arguments.
*
* @return A string representation of the command line arguments.
*/
public String toString()
{
return Arrays.asList( generateArguments() ).toString();
}
}
