Examples with Expression com.dexels.navajo.parser.Expression used on opensource projects

Example 1 with Expression

use of com.dexels.navajo.parser.Expression in project navajo by Dexels.

the class TestCompiledExpression method testNamedExpression.

@Test
public void testNamedExpression() throws ParseException {
    String expression = "aap=1+1";
    StringReader sr = new StringReader(expression);
    CompiledParser cp = new CompiledParser(sr);
    cp.KeyValue();
    ASTKeyValueNode atn = (ASTKeyValueNode) cp.getJJTree().rootNode();
    List<String> problems = new ArrayList<>();
    NamedExpression ne = (NamedExpression) atn.interpretToLambda(problems, expression, fn -> FunctionClassification.DEFAULT, name -> Optional.empty());
    Assert.assertEquals(0, problems.size());
    Assert.assertEquals("aap", ne.name);
    Assert.assertEquals(2, ne.apply().value);
}