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Groovy: A powerful, dynamic language for the JVM
/*
* 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.
*/
package org.codehaus.groovy.ast.builder
import groovy.transform.PackageScope
import org.codehaus.groovy.ast.ASTNode
import org.codehaus.groovy.control.CompilePhase
import org.codehaus.groovy.control.CompilationUnit
import org.codehaus.groovy.ast.ModuleNode
import org.codehaus.groovy.control.CompilerConfiguration
/**
* This class handles converting Strings to ASTNode lists.
*
* @author Hamlet D'Arcy
*/
@PackageScope class AstStringCompiler {
/**
* Performs the String source to {@link List} of {@link ASTNode}.
*
* @param script
* a Groovy script in String form
* @param compilePhase
* the int based CompilePhase to compile it to.
* @param statementsOnly
*/
List compile(String script, CompilePhase compilePhase, boolean statementsOnly) {
def scriptClassName = "script" + System.currentTimeMillis()
GroovyClassLoader classLoader = new GroovyClassLoader()
GroovyCodeSource codeSource = new GroovyCodeSource(script, scriptClassName + ".groovy", "/groovy/script")
CompilationUnit cu = new CompilationUnit(CompilerConfiguration.DEFAULT, codeSource.codeSource, classLoader)
cu.addSource(codeSource.getName(), script);
cu.compile(compilePhase.getPhaseNumber())
// collect all the ASTNodes into the result, possibly ignoring the script body if desired
return cu.ast.modules.inject([]) {List acc, ModuleNode node ->
if (node.statementBlock) acc.add(node.statementBlock)
node.classes?.each {
if (!(it.name == scriptClassName && statementsOnly)) {
acc << it
}
}
acc
}
}
}