Ejemplo n.º 1
0
        //[Test]
        static async Task ParseTest()
        {
            var pTexts = new[]
            {
                //"20$",
                //"20",
                //"20x",
                //"(20)",
                //"3 - 2 * 6 - 1",
                //"20x+30y+20x^2-x+100",
                //"-(3x-2)",
                //"2x(3+x)(x-2)6",
                //"20a+3b+c=1",
                //"2x(3+x",
                //"(sin (x))^2=1",
                //"(sin (x))^2+(cos (x))^2=1"
                //"x",
                "2x=3",
                //"20a+3b+c=1\nb=20",
            };

            foreach (var pText in pTexts)
            {
                try
                {
                    using (var pReader = new StringReader(pText))
                    {
                        Console.WriteLine($"{pText} :");

                        var pParser = new ST.Parser2(pReader, CancellationToken.None);
                        var pExpr   = await pParser.Parse();

                        Console.WriteLine(pExpr);
                    }
                }
                catch (ST.STException ex)
                {
                    var pLine = string.Empty;

                    using (var pReader = new StringReader(pText))
                    {
                        for (var i = ex.Line; i > 0; i--)
                        {
                            pLine = pReader.ReadLine();
                        }
                    }
                    PrintError(ex.Message);
                    PrintError(pLine);
                    PrintError($"{new string(' ', ex.Position - 1)}^");
                }
                catch (Exception ex)
                {
                    PrintError(ex.Message);
                }
            }
        }
Ejemplo n.º 2
0
        //[Test]
        static async Task ParseLinesTest()
        {
            var pTexts = new[]
            {
                "20a+3b+c=1",
                "20a+3b+c=1\nb=20",
            };

            foreach (var pText in pTexts)
            {
                try
                {
                    using (var pReader = new StringReader(pText))
                    {
                        Console.WriteLine($"{pText} :");

                        var pParser = new ST.Parser2(pReader, CancellationToken.None);
                        var pExprs  = await pParser.ParseLines();

                        foreach (var e in pExprs)
                        {
                            Console.WriteLine(e);
                        }
                    }
                }
                catch (ST.STException ex)
                {
                    var pLine = string.Empty;

                    using (var pReader = new StringReader(pText))
                    {
                        for (var i = ex.Line; i > 0; i--)
                        {
                            pLine = pReader.ReadLine();
                        }
                    }
                    PrintError(ex.Message);
                    PrintError(pLine);
                    PrintError($"{new string(' ', ex.Position - 1)}^");
                }
                catch (Exception ex)
                {
                    PrintError(ex.Message);
                }
            }
        }