public void Should_Provide_Error_With_Empty_Input(string emptyInputVariations)
{
SylvreProgram result = Parser.ParseSylvreInput(emptyInputVariations);
Assert.IsTrue(result.HasParseErrors);
Assert.AreEqual(1, result.ParseErrors.Count);
}
public void Should_Output_Valid_For_Loop_Block(string sylvreInput, string regexToMatch)
{
SylvreProgram program = Parser.ParseSylvreInput(sylvreInput);
Assert.IsFalse(program.HasParseErrors);
TranspileOutputBase output = Transpiler.TranspileSylvreToTarget(
program, TargetLanguage.Javascript);
StringAssert.IsMatch(regexToMatch, output.TranspiledCode);
}
public void Should_Not_Provide_Transpile_Errors(string sylvreInput)
{
SylvreProgram program = Parser.ParseSylvreInput(sylvreInput);
Assert.IsFalse(program.HasParseErrors);
TranspileOutputBase output = Transpiler.TranspileSylvreToTarget(
program, TargetLanguage.Javascript);
Assert.IsFalse(output.HasTranspileErrors);
}
public void Should_Output_Valid_JavaScript_Function_Return(string sylvreInput, string jsRegex)
{
SylvreProgram program = Parser.ParseSylvreInput(sylvreInput);
Assert.IsFalse(program.HasParseErrors);
TranspileOutputBase output = Transpiler.TranspileSylvreToTarget(
program, TargetLanguage.Javascript);
StringAssert.IsMatch(jsRegex, output.TranspiledCode);
}
public void Should_Provide_Transpile_Error_When_Assigning_To_Sylvre()
{
string sylvreInput = "\nSylvre = 25.21#";
SylvreProgram program = Parser.ParseSylvreInput(sylvreInput);
Assert.IsFalse(program.HasParseErrors);
TranspileOutputBase output = Transpiler.TranspileSylvreToTarget(
program, TargetLanguage.Javascript);
Assert.IsTrue(output.HasTranspileErrors);
}
/// <summary>
/// Transpiles a given Sylvre program to the target language.
/// </summary>
/// <param name="sylvreProgram">The Sylvre program generated by parsing an input.</param>
/// <param name="targetLanguage">The target language to transpile the Sylvre program to.</param>
/// <returns>The transpiled output in the target language.</returns>
public static TranspileOutputBase TranspileSylvreToTarget(SylvreProgram sylvreProgram,
TargetLanguage targetLanguage)
{
switch (targetLanguage)
{
case TargetLanguage.Javascript:
return(new JavaScriptTranspiler().Transpile(sylvreProgram));
default:
throw new NotImplementedException();
}
}
public void Should_Provide_Specific_Amount_Of_Errors_Within_ParseErrors_Property()
{
var assembly = Assembly.GetExecutingAssembly();
var resourceName = "Sylvre.Tests.Core.TestData.quickSort_bad_three_errors.syl";
using (Stream stream = assembly.GetManifestResourceStream(resourceName))
using (StreamReader reader = new StreamReader(stream))
{
SylvreProgram result = Parser.ParseSylvreInput(reader.ReadToEnd());
Assert.AreEqual(3, result.ParseErrors.Count);
}
}
public void Should_Output_Valid_Else_Statement()
{
string sylvreInput = "if (TRUE) <> else < >";
SylvreProgram program = Parser.ParseSylvreInput(sylvreInput);
Assert.IsFalse(program.HasParseErrors);
TranspileOutputBase output = Transpiler.TranspileSylvreToTarget(
program, TargetLanguage.Javascript);
StringAssert.IsMatch(@"""use strict"";.+else[\n ]*{[\n ]*}",
output.TranspiledCode);
}
public void Should_Have_Errors_Bad_Sylvre()
{
var assembly = Assembly.GetExecutingAssembly();
var resourceName = "Sylvre.Tests.Core.TestData.quickSort_bad_three_errors.syl";
using (Stream stream = assembly.GetManifestResourceStream(resourceName))
using (StreamReader reader = new StreamReader(stream))
{
SylvreProgram result = Parser.ParseSylvreInput(reader.ReadToEnd());
Assert.IsTrue(result.HasParseErrors);
}
}
/// <summary>
/// Transpile a given Sylvre program into JavaScript.
/// </summary>
/// <param name="sylvreProgram">The Sylvre program to transpile.</param>
/// <returns>The transpiled JavaScript output.</returns>
public JavaScriptOutput Transpile(SylvreProgram sylvreProgram)
{
// using strict mode for JS -
_output.Append("\"use strict\";");
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode
foreach (BlockContext block in sylvreProgram.SylvreCstRoot.block())
{
VisitBlock(block);
}
return(new JavaScriptOutput(_output.ToString(), _transpileErrors));
}
public void Should_Output_Valid_JavaScript_Unary_Decrement_Suffix()
{
string sylvreInput = "var decrement#";
string jsRegex = @"""use strict"";__var.*--[n ]*;";
SylvreProgram program = Parser.ParseSylvreInput(sylvreInput);
Assert.IsFalse(program.HasParseErrors);
TranspileOutputBase output = Transpiler.TranspileSylvreToTarget(
program, TargetLanguage.Javascript);
StringAssert.IsMatch(jsRegex, output.TranspiledCode);
}
public void Should_Output_Valid_While_Loop_Block()
{
string sylvreInput = "loopwhile(FALSE) < >";
SylvreProgram program = Parser.ParseSylvreInput(sylvreInput);
Assert.IsFalse(program.HasParseErrors);
TranspileOutputBase output = Transpiler.TranspileSylvreToTarget(
program, TargetLanguage.Javascript);
StringAssert.IsMatch(@"""use strict"";while[\n ]*\(.*\)[\n ]*{[\n ]*}",
output.TranspiledCode);
}
public void Should_Have_Empty_ParseErrors_Property_With_Good_Sylvre()
{
var assembly = Assembly.GetExecutingAssembly();
var resourceName = "Sylvre.Tests.Core.TestData.quickSort.syl";
using (Stream stream = assembly.GetManifestResourceStream(resourceName))
using (StreamReader reader = new StreamReader(stream))
{
SylvreProgram result = Parser.ParseSylvreInput(reader.ReadToEnd());
Assert.AreEqual(0, result.ParseErrors.Count);
}
}
public void Should_Append_Two_Underscores_If_FuncName_Is_Reserved_Keyword(string sylvreInput, string regexToMatch)
{
SylvreProgram program = Parser.ParseSylvreInput(sylvreInput);
Assert.IsFalse(program.HasParseErrors);
TranspileOutputBase output = Transpiler.TranspileSylvreToTarget(
program, TargetLanguage.Javascript);
Assert.IsFalse(output.HasTranspileErrors);
StringAssert.IsMatch(regexToMatch, output.TranspiledCode);
}
public void Should_Output_Valid_ComplexVarReference_IndexRef(string sylvreInput,
string regexToMatch)
{
SylvreProgram program = Parser.ParseSylvreInput(sylvreInput);
Assert.IsFalse(program.HasParseErrors);
TranspileOutputBase output = Transpiler.TranspileSylvreToTarget(
program, TargetLanguage.Javascript);
Assert.IsFalse(output.HasTranspileErrors);
StringAssert.IsMatch(regexToMatch, output.TranspiledCode);
}
public void Should_Give_Error_When_No_Member_Ref_After_Module_Ref(string sylvreInput)
{
SylvreProgram program = Parser.ParseSylvreInput(sylvreInput);
Assert.IsFalse(program.HasParseErrors);
TranspileOutputBase output = Transpiler.TranspileSylvreToTarget(
program, TargetLanguage.Javascript);
Assert.IsTrue(output.HasTranspileErrors);
Assert.AreEqual("Missing a module member reference after module name.",
output.TranspileErrors.First().Message);
}
public void Should_Give_Error_When_Index_Reference_After_Module_Ref(string sylvreInput)
{
SylvreProgram program = Parser.ParseSylvreInput(sylvreInput);
Assert.IsFalse(program.HasParseErrors);
TranspileOutputBase output = Transpiler.TranspileSylvreToTarget(
program, TargetLanguage.Javascript);
Assert.IsTrue(output.HasTranspileErrors);
Assert.AreEqual("An index reference is not allowed after a module reference.",
output.TranspileErrors.First().Message);
}
public void Should_Give_Error_When_Invalid_Module_Member_Ref_Is_Used(string sylvreInput)
{
SylvreProgram program = Parser.ParseSylvreInput(sylvreInput);
Assert.IsFalse(program.HasParseErrors);
TranspileOutputBase output = Transpiler.TranspileSylvreToTarget(
program, TargetLanguage.Javascript);
Assert.IsTrue(output.HasTranspileErrors);
Assert.AreEqual("This Sylvre module member does not exist.",
output.TranspileErrors.First().Message);
}
public void Should_Be_Specific_Second_Error_Within_Parse_Exception()
{
var assembly = Assembly.GetExecutingAssembly();
var resourceName = "Sylvre.Tests.Core.TestData.quickSort_bad_three_errors.syl";
using (Stream stream = assembly.GetManifestResourceStream(resourceName))
using (StreamReader reader = new StreamReader(stream))
{
SylvreProgram result = Parser.ParseSylvreInput(reader.ReadToEnd());
SylvreParseError secondError = (SylvreParseError)result.ParseErrors.ElementAt(1);
Assert.IsTrue(secondError.IsMismatchedInput);
Assert.AreEqual(";", secondError.Symbol);
Assert.AreEqual(46, secondError.Line);
Assert.AreEqual(17, secondError.CharPositionInLine);
}
}
public void Should_Be_Specific_First_Error_Within_ParseErrors_Property()
{
var assembly = Assembly.GetExecutingAssembly();
var resourceName = "Sylvre.Tests.Core.TestData.quickSort_bad_three_errors.syl";
using (Stream stream = assembly.GetManifestResourceStream(resourceName))
using (StreamReader reader = new StreamReader(stream))
{
SylvreProgram result = Parser.ParseSylvreInput(reader.ReadToEnd());
SylvreParseError firstError = (SylvreParseError)result.ParseErrors.ElementAt(0);
Assert.IsFalse(firstError.IsMismatchedInput);
StringAssert.Contains("create temp num_array", firstError.Message);
Assert.AreEqual(32, firstError.Line);
Assert.AreEqual(13, firstError.CharPositionInLine);
}
}
public void Should_Be_Specific_Third_Error_Within_Parse_Exception()
{
var assembly = Assembly.GetExecutingAssembly();
var resourceName = "Sylvre.Tests.Core.TestData.quickSort_bad_three_errors.syl";
using (Stream stream = assembly.GetManifestResourceStream(resourceName))
using (StreamReader reader = new StreamReader(stream))
{
SylvreProgram result = Parser.ParseSylvreInput(reader.ReadToEnd());
SylvreParseError thirdError = (SylvreParseError)result.ParseErrors.ElementAt(2);
Assert.IsFalse(thirdError.IsMismatchedInput);
StringAssert.Contains("quickSort", thirdError.Message);
Assert.AreEqual(53, thirdError.Line);
Assert.AreEqual(9, thirdError.CharPositionInLine);
}
}
public void Should_Provide_Parse_Error_When_Variable_Name_Has_Underscore_Prefixes(string sylvreInput)
{
SylvreProgram program = Parser.ParseSylvreInput(sylvreInput);
Assert.IsTrue(program.HasParseErrors);
}
