public void FunctionReturnTests()
{
string txt = "return abc";
AntlrInputStream inputStream = new AntlrInputStream(txt);
BogieLangLexer lexer = new BogieLangLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
BogieLangParser parser = new BogieLangParser(commonTokenStream);
BogieLangParser.FunctionReturnContext functionReturnContext = parser.functionReturn();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(functionReturnContext);
FunctionReturn functionReturn = FunctionReturn.Compile(functionReturnContext);
Assert.True(functionReturn.Expression.Identifier == "abc");
txt = "return 10.0";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
functionReturnContext = parser.functionReturn();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(functionReturnContext);
functionReturn = FunctionReturn.Compile(functionReturnContext);
Assert.True(functionReturn.Expression.Literal.Real == 10.0);
}
public void FunctionReturnTests()
{
VariableEnvironment variables = new VariableEnvironment();
FunctionEnvironment functionEnvironment = new FunctionEnvironment();
variables.DeclareVariable("abc", BogieLangType.BOOL);
variables.DefineVariable("abc", true);
string txt = "return abc";
AntlrInputStream inputStream = new AntlrInputStream(txt);
BogieLangLexer lexer = new BogieLangLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
BogieLangParser parser = new BogieLangParser(commonTokenStream);
BogieLangParser.FunctionReturnContext functionReturnContext = parser.functionReturn();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(functionReturnContext);
FunctionReturn functionReturn = FunctionReturn.Compile(functionReturnContext);
Assert.True((bool)functionReturn.Execute(functionEnvironment, variables) == true);
variables.Clear();
txt = "return 10.0";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
functionReturnContext = parser.functionReturn();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(functionReturnContext);
functionReturn = FunctionReturn.Compile(functionReturnContext);
Assert.True((double)functionReturn.Execute(functionEnvironment, variables) == 10.0);
}
public static FunctionReturn Compile(BogieLangParser.FunctionReturnContext functionReturnContext)
{
FunctionReturn result = new FunctionReturn();
if (functionReturnContext.expression() != null)
{
result.Expression = Expression.Compile(functionReturnContext.expression(), null);
}
return(result);
}
public void FunctionReturnTests()
{
string txt = "return abc";
AntlrInputStream inputStream = new AntlrInputStream(txt);
BogieLangLexer lexer = new BogieLangLexer(inputStream);
lexer.AddErrorListener(new ParserErrorHandler <int>());
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
BogieLangParser parser = new BogieLangParser(commonTokenStream);
parser.AddErrorListener(new ParserErrorHandler <object>());
BogieLangParser.FunctionReturnContext FunctionReturnContext = parser.functionReturn();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(FunctionReturnContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
txt = "return 10.0";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
lexer.AddErrorListener(new ParserErrorHandler <int>());
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
parser.AddErrorListener(new ParserErrorHandler <object>());
FunctionReturnContext = parser.functionReturn();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(FunctionReturnContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
txt = " \t \nreturn \t \nabc \t \n";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
lexer.AddErrorListener(new ParserErrorHandler <int>());
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
parser.AddErrorListener(new ParserErrorHandler <object>());
FunctionReturnContext = parser.functionReturn();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(FunctionReturnContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
}
