package paToolkit4Java.parser;

import org.eclipse.jdt.core.dom.*;

import java.util.ArrayList;

import java.util.List;

public class MethodParser {

public static MethodDeclaration parseMethodStr(String methodStr) {

String sourceStart = "public class A {";

//add a fake class A as a shell, to meet the requirement of ASTParser

String sourceEnd = "}";

String source = sourceStart + methodStr + sourceEnd;

ASTParser parser = ASTParser.newParser(AST.JLS3);

parser.setSource(source.toCharArray());

parser.setKind(ASTParser.K_COMPILATION_UNIT);

CompilationUnit cu = (CompilationUnit) parser.createAST(null);

List<MethodDeclaration> md = new ArrayList<MethodDeclaration>();

cu.accept(new ASTVisitor() {

//by add more visit method like the following below, then all king of statement can be visited.

public boolean visit(MethodDeclaration node) {

md.add(node);

return false;

}

});

return md.get(0);

}

}