AbstractPowsyblDslAstTransformation.java
/**
* Copyright (c) 2021, RTE (http://www.rte-france.com)
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
* SPDX-License-Identifier: MPL-2.0
*/
package com.powsybl.dsl;
import org.codehaus.groovy.ast.ASTNode;
import org.codehaus.groovy.ast.ClassCodeExpressionTransformer;
import org.codehaus.groovy.ast.MethodNode;
import org.codehaus.groovy.ast.ModuleNode;
import org.codehaus.groovy.ast.stmt.BlockStatement;
import org.codehaus.groovy.control.SourceUnit;
import org.codehaus.groovy.transform.ASTTransformation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.util.Objects;
import java.util.function.Function;
/**
* @author Geoffroy Jamgotchian {@literal <geoffroy.jamgotchian at rte-france.com>}
*/
public abstract class AbstractPowsyblDslAstTransformation implements ASTTransformation {
protected static final Logger LOGGER = LoggerFactory.getLogger(AbstractPowsyblDslAstTransformation.class);
protected final Function<SourceUnit, ClassCodeExpressionTransformer> transformer;
protected AbstractPowsyblDslAstTransformation(Function<SourceUnit, ClassCodeExpressionTransformer> transformer) {
this.transformer = Objects.requireNonNull(transformer);
}
protected void visit(SourceUnit sourceUnit, ClassCodeExpressionTransformer transformer) {
LOGGER.trace("Apply AST transformation");
ModuleNode ast = sourceUnit.getAST();
BlockStatement blockStatement = ast.getStatementBlock();
List<MethodNode> methods = ast.getMethods();
for (MethodNode methodNode : methods) {
methodNode.getCode().visit(transformer);
}
blockStatement.visit(transformer);
}
public void visit(ASTNode[] nodes, SourceUnit sourceUnit) {
visit(sourceUnit, transformer.apply(sourceUnit));
}
}