org.codehaus.mojo.javacc.JavaCC Maven / Gradle / Ivy
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Maven 3 Plugin for processing JavaCC grammar files.
package org.codehaus.mojo.javacc;
/*
* 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: JavaCC.java 10603 2009-09-06 15:05:08Z bentmann $
* @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;
/**
* 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final 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 (final Boolean value)
{
this.supportClassVisibilityPublic = value;
}
/**
* {@inheritDoc}
*/
@Override
protected int execute () throws Exception
{
final String [] args = generateArguments ();
if (this.outputDirectory != null && !this.outputDirectory.exists ())
{
this.outputDirectory.mkdirs ();
}
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 ()
{
final 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 (this.outputDirectory != null)
{
argsList.add ("-OUTPUT_DIRECTORY=" + this.outputDirectory.getAbsolutePath ());
}
if (this.inputFile != null)
{
argsList.add (this.inputFile.getAbsolutePath ());
}
return argsList.toArray (new String [argsList.size ()]);
}
/**
* Gets a string representation of the command line arguments.
*
* @return A string representation of the command line arguments.
*/
@Override
public String toString ()
{
return Arrays.asList (generateArguments ()).toString ();
}
}