How to use

makeFromJPExpression

method

in

org.kie.dmn.feel.codegen.feel11.CompilerBytecodeLoader

public CompiledFEELExpression makeFromJPExpression(Expression theExpression) {
  return makeFromJPExpression(null, theExpression, Collections.emptySet());
}

/**
 * Generates a compilable class that reports a (compile-time) error at runtime
 */
public static CompiledFEELExpression compiledError(String expression, String msg) {
  return new CompilerBytecodeLoader()
      .makeFromJPExpression(
          expression,
          compiledErrorExpression(msg),
          Collections.emptySet());
}

private CompiledFEELExpression parse(String input, Map<String, Type> inputTypes) {
  FEEL_1_1Parser parser = FEELParser.parse(null, input, inputTypes, Collections.emptyMap(), Collections.emptyList(), Collections.emptyList());
  ParseTree tree = parser.compilation_unit();
  ASTBuilderVisitor v = new ASTBuilderVisitor(inputTypes);
  BaseNode node = v.visit(tree);
  DirectCompilerResult directResult = node.accept(new ASTCompilerVisitor());
  
  Expression expr = directResult.getExpression();
  CompiledFEELExpression cu = new CompilerBytecodeLoader().makeFromJPExpression(input, expr, directResult.getFieldDeclarations());
  return cu;
}