How to use

setSourcePosition

method

in

org.codehaus.groovy.ast.ClassNode

@Override
public void setSourcePosition(final ASTNode node) {
  super.setSourcePosition(node);
  innerClass.setSourcePosition(node);
}

public ModuleNode buildAST(SourceUnit sourceUnit, ClassLoader classLoader, Reduction cst) throws ParserException {
  setClassLoader(classLoader);
  makeModule();
  try {
    convertGroovy(ast);
    if (output.getStatementBlock().isEmpty() && output.getMethods().isEmpty() && output.getClasses().isEmpty()) {
      output.addStatement(ReturnStatement.RETURN_NULL_OR_VOID);
    }
    // set the script source position
    ClassNode scriptClassNode = output.getScriptClassDummy();
    if (scriptClassNode != null) {
      List<Statement> statements = output.getStatementBlock().getStatements();
      if (!statements.isEmpty()) {
        Statement firstStatement = statements.get(0);
        Statement lastStatement = statements.get(statements.size() - 1);
        scriptClassNode.setSourcePosition(firstStatement);
        scriptClassNode.setLastColumnNumber(lastStatement.getLastColumnNumber());
        scriptClassNode.setLastLineNumber(lastStatement.getLastLineNumber());
      }
    }
  }
  catch (ASTRuntimeException e) {
    throw new ASTParserException(e.getMessage() + ". File: " + sourceUnit.getName(), e);
  }
  return output;
}

@Override
public void setSourcePosition(final ASTNode node) {
  super.setSourcePosition(node);
  innerClass.setSourcePosition(node);
}

public ModuleNode buildAST(SourceUnit sourceUnit, ClassLoader classLoader, Reduction cst) throws ParserException {
  setClassLoader(classLoader);
  makeModule();
  try {
    convertGroovy(ast);
    if (output.getStatementBlock().isEmpty() && output.getMethods().isEmpty() && output.getClasses().isEmpty()) {
      output.addStatement(ReturnStatement.RETURN_NULL_OR_VOID);
    }
    // set the script source position
    ClassNode scriptClassNode = output.getScriptClassDummy();
    if (scriptClassNode != null) {
      List<Statement> statements = output.getStatementBlock().getStatements();
      if (statements.size() > 0) {
        Statement firstStatement = statements.get(0);
        Statement lastStatement = statements.get(statements.size() - 1);
        scriptClassNode.setSourcePosition(firstStatement);
        scriptClassNode.setLastColumnNumber(lastStatement.getLastColumnNumber());
        scriptClassNode.setLastLineNumber(lastStatement.getLastLineNumber());
      }
    }
  }
  catch (ASTRuntimeException e) {
    throw new ASTParserException(e.getMessage() + ". File: " + sourceUnit.getName(), e);
  }
  return output;
}

answer.setSourcePosition(expression);