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Library of compiler components to processs Java code.

There is a newer version: 2.3.10

/*
 Copyright (C) 2015 Raquel Pau and Albert Coroleu.
 
Walkmod is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Walkmod is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with Walkmod.  If not, see .*/
package org.walkmod.javalang.compiler.reflection;

import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.util.Map;

import org.walkmod.javalang.ast.expr.Expression;
import org.walkmod.javalang.compiler.Builder;
import org.walkmod.javalang.compiler.symbols.SymbolType;
import org.walkmod.javalang.visitors.VoidVisitor;

public class FunctionalGenericsBuilder implements
		Builder {

	private SymbolType[] args;

	private VoidVisitor typeResolver;

	private Method method;

	private Constructor constructor;

	private Map mapping;

	public FunctionalGenericsBuilder(Method method,
			VoidVisitor typeResolver, Map mapping)
			throws Exception {
		this.method = method;
		this.mapping = mapping;
		this.typeResolver = typeResolver;
	}

	public FunctionalGenericsBuilder(Constructor constructor,
			VoidVisitor typeResolver, Map mapping)
			throws Exception {
		this.constructor = constructor;
		this.mapping = mapping;
		this.typeResolver = typeResolver;
	}

	public SymbolType[] getArgs() {
		return args;
	}

	public void setArgs(SymbolType[] args) {
		this.args = args;
	}

	public VoidVisitor getTypeResolver() {
		return typeResolver;
	}

	@Override
	public A build(A expr) throws Exception {
		if (args == null) {
			java.lang.reflect.Type[] generics = null;
			if (method != null) {
				generics = method.getGenericParameterTypes();

			} else {
				generics = constructor.getGenericParameterTypes();
			}
			args = new SymbolType[generics.length];
			for (int i = 0; i < generics.length; i++) {
				args[i] = SymbolType.valueOf(generics[i], mapping);
			}
		}
		return expr;
	}

}

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