public static void Setup(TestContext context)
{
TypeInfoProvider.GetGlobal().AddFunction("print", (a) => {
context.WriteLine((string)a[0]);
return(null);
}, null, new Type[] { typeof(string) });
}
public void Parsing()
{
Enviroment enviroment = new Enviroment(TypeInfoProvider.GetGlobal());
var block = TokenParser.Parse("\"Comment\" .\nprint IN string 25 . .\nprint IN add \"Hello\" \"world\" . .\n mul 5 10 , string , add \" = 25\" , print .", enviroment, CodePosition.GetExternal());
var statements = block.GetSyntaxNodes();
Assert.AreEqual(statements.Count, 4);
}
public void VariableTypeSafetyInCode()
{
Enviroment enviroment = new Enviroment(TypeInfoProvider.GetGlobal());
enviroment.StartBlock(CodePosition.GetExternal());
enviroment.DefineVariable("x", typeof(string), CodePosition.GetExternal());
TokenParser.Parse("x= 0 .", enviroment, CodePosition.GetExternal());
enviroment.EndBlock();
}
public void VariableRedefinitionFail()
{
Enviroment enviroment = new Enviroment(TypeInfoProvider.GetGlobal());
enviroment.StartBlock(CodePosition.GetExternal());
enviroment.DefineVariable("x", typeof(int), CodePosition.GetExternal());
enviroment.DefineVariable("x", typeof(int), CodePosition.GetExternal());
enviroment.EndBlock();
}
public void RunTheExampleFile()
{
var text = System.IO.File.ReadAllText("../../../Examples/example.ws");
Enviroment enviroment = new Enviroment(TypeInfoProvider.GetGlobal());
var block = TokenParser.Parse(text, enviroment, CodePosition.GetExternal());
block.Validate(enviroment);
Assert.AreEqual(typeof(string), block.ReturnType);
Assert.AreEqual("aaaab", block.Evaluate());
}
public void VariableDefinition()
{
Enviroment enviroment = new Enviroment(TypeInfoProvider.GetGlobal());
enviroment.StartBlock(CodePosition.GetExternal());
Assert.IsNull(enviroment.GetVariable("y"));
enviroment.DefineVariable("x", typeof(int), CodePosition.GetExternal());
Assert.IsNotNull(enviroment.GetVariable("x"));
enviroment.EndBlock();
}
public void VariablesInCode()
{
Enviroment enviroment = new Enviroment(TypeInfoProvider.GetGlobal());
enviroment.StartBlock(CodePosition.GetExternal());
enviroment.DefineVariable("x", typeof(int), CodePosition.GetExternal());
TokenParser.Parse("DEFINE:y:int . &y . y= 0 . &x . x= &y .", enviroment, CodePosition.GetExternal(), true);
Assert.IsNotNull(enviroment.GetVariable("y"));
Assert.AreEqual(enviroment.GetVariable("y").Type, typeof(int));
enviroment.EndBlock();
}
public void VariableInheritance()
{
Enviroment enviroment = new Enviroment(TypeInfoProvider.GetGlobal());
enviroment.StartBlock(CodePosition.GetExternal());
var xOut = enviroment.DefineVariable("x", typeof(string), CodePosition.GetExternal());
var yOut = enviroment.DefineVariable("y", typeof(int), CodePosition.GetExternal());
enviroment.StartBlock(CodePosition.GetExternal());
Assert.AreEqual(yOut, enviroment.GetVariable("y"));
Assert.AreEqual(xOut, enviroment.GetVariable("x"));
var yInner = enviroment.DefineVariable("y", typeof(string), CodePosition.GetExternal());
var zInner = enviroment.DefineVariable("z", typeof(string), CodePosition.GetExternal());
Assert.AreNotEqual(yOut, enviroment.GetVariable("y"));
enviroment.EndBlock();
Assert.AreEqual(yOut, enviroment.GetVariable("y"));
Assert.IsNull(enviroment.GetVariable("z"));
enviroment.EndBlock();
}
static void Main(string[] args)
{
enviroment = new Enviroment(TypeInfoProvider.GetGlobal());
enviroment.provider.MapType(typeof(Console));
if (args.Length == 0 || args[0][0] == '#')
{
Console.WriteLine("WordScript REPL\nCopyright (C) Branislav Trstenský 2019\n");
while (true)
{
Console.Write("> ");
var input = Console.ReadLine();
Run(input);
}
}
else
{
file = Path.GetFileName(args[0]);
Run(File.ReadAllText(args[0]));
Console.Read();
}
}