IExpression parse_expression(String code)
{
ECleverParser parser = new ECleverParser(code);
ITokenStream stream = (ITokenStream)parser.InputStream;
EIndentingLexer lexer = (EIndentingLexer)stream.TokenSource;
lexer.AddLF = false;
IParseTree tree = parser.expression();
EPromptoBuilder builder = new EPromptoBuilder(parser);
ParseTreeWalker walker = new ParseTreeWalker();
walker.Walk(builder, tree);
return(builder.GetNodeValue <IExpression>(tree));
}
public void testSystemOutPrint()
{
ECleverParser parser = new ECleverParser("System.Console.Write(value);");
ITokenStream stream = (ITokenStream)parser.InputStream;
EIndentingLexer lexer = (EIndentingLexer)stream.TokenSource;
lexer.AddLF = false;
IParseTree tree = parser.csharp_statement();
EPromptoBuilder builder = new EPromptoBuilder(parser);
ParseTreeWalker walker = new ParseTreeWalker();
walker.Walk(builder, tree);
CSharpStatement statement = builder.GetNodeValue <CSharpStatement>(tree);
Context context = Context.newGlobalsContext();
IParameter arg = new CategoryParameter(TextType.Instance, "value");
arg.register(context);
context.setValue("value", new prompto.value.TextValue("test")); // StringLiteral trims enclosing quotes
Object result = statement.interpret(context, null);
Assert.IsNull(result);
Assert.AreEqual("test", Out.read());
}