How to use

ASTCompilerVisitor

in

org.kie.dmn.feel.codegen.feel11

private DirectCompilerResult getCompilerResult() {
  if (compiledExpression == null) {
    if (errorListener.isError()) {
      compiledExpression = CompiledFEELSupport.compiledErrorUnaryTest(
          errorListener.event().getMessage());
    } else {
      try {
        compiledExpression = ast.accept(new ASTCompilerVisitor());
      } catch (FEELCompilationError e) {
        compiledExpression = CompiledFEELSupport.compiledErrorUnaryTest(e.getMessage());
      }
    }
  }
  return compiledExpression;
}

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;
}

private DirectCompilerResult getCompilerResult() {
  if (compiledExpression == null) {
    if (errorListener.isError()) {
      compiledExpression =
          DirectCompilerResult.of(
              CompiledFEELSupport.compiledErrorExpression(
                  errorListener.event().getMessage()),
              BuiltInType.UNKNOWN);
    } else {
      try {
        compiledExpression = ast.accept(new ASTCompilerVisitor());
      } catch (FEELCompilationError e) {
        compiledExpression = DirectCompilerResult.of(
            CompiledFEELSupport.compiledErrorExpression(e.getMessage()),
            BuiltInType.UNKNOWN);
      }
    }
  }
  return compiledExpression;
}

private CompiledFEELUnaryTests parse(String input, Map<String, Type> inputTypes, FEELEventListenersManager mgr, CompiledFEELSupport.SyntaxErrorListener listener) {
  FEEL_1_1Parser parser = FEELParser.parse(mgr, input, inputTypes, Collections.emptyMap(), Collections.emptyList(), Collections.emptyList());
  ParseTree tree = parser.unaryTestsRoot();
  DirectCompilerResult directResult;
  if (listener.isError()) {
    directResult = CompiledFEELSupport.compiledErrorUnaryTest(listener.event().getMessage());
  } else {
    ASTBuilderVisitor v = new ASTBuilderVisitor(inputTypes);
    BaseNode node = v.visit(tree);
    BaseNode transformed = node.accept(new ASTUnaryTestTransform()).node();
    directResult = transformed.accept(new ASTCompilerVisitor());
  }
  Expression expr = directResult.getExpression();
  CompiledFEELUnaryTests cu = new CompilerBytecodeLoader().makeFromJPUnaryTestsExpression(input, expr, directResult.getFieldDeclarations());
  return cu;
}