/// <summary>
/// Главная функция. Парсит скрипт в запускаемые команды
/// </summary>
public static Script parseScript(string script)
{
LexemParser lexemParser = new LexemParser(script);
List <Lexem> lexems = lexemParser.lexems;
Lexem lexemBlock = new Lexem()
{
childs = lexems,
kind = LexemKind.BLOCK,
};
Script result = new Script();
result.setRoot(true);
return(parseCommandsBlock(lexemBlock, result));
}
public void EquationStringShouldBeParsedToSummands()
{
//GIVEN
ILexemParser lexemParser = new LexemParser();
const string inputEquation = "x^2 + 3.5xy - y";
const int expectedSummandsCount = 3;
var expectedSummand1 = new Summand(new[] { new Variable('x', degree: 2) });
var expectedSummand2 = new Summand(new[] { new Variable('x'), new Variable('y') }, coefficient: 3.5f);
var expectedSummand3 = new Summand(new[] { new Variable('y') }, coefficient: -1);
// WHEN
var resultSummands = lexemParser.Parse(inputEquation);
// THEN
Assert.AreEqual(resultSummands.Count, expectedSummandsCount);
Assert.AreEqual(resultSummands[0], expectedSummand1);
Assert.AreEqual(resultSummands[1], expectedSummand2);
Assert.AreEqual(resultSummands[2], expectedSummand3);
}
