public static Expression Compile(BogieLangParser.ExpressionContext expressionContext, Expression parentExpression)
{
Expression result = new Expression();
result.ParentExpression = parentExpression;
if (expressionContext.IDENTIFIER() != null)
{
result.Identifier = expressionContext.IDENTIFIER().GetText();
}
else if (expressionContext.literal() != null)
{
result.Literal = Literal.Compile(expressionContext.literal());
}
else if (expressionContext.functionCall() != null)
{
result.FunctionCall = FunctionCall.Compile(expressionContext.functionCall());
}
if (expressionContext.OPERATOR() != null)
{
result.Operator = expressionContext.OPERATOR().GetText();
}
if (expressionContext.expression() != null)
{
result.SubExpression = Expression.Compile(expressionContext.expression(), result);
}
return(result);
}
public void ExpressionTests()
{
string txt = "1";
AntlrInputStream inputStream = new AntlrInputStream(txt);
BogieLangLexer lexer = new BogieLangLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
BogieLangParser parser = new BogieLangParser(commonTokenStream);
BogieLangParser.ExpressionContext expressionContext = parser.expression();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
Expression expression = Expression.Compile(expressionContext, null);
Assert.True(expression.Identifier == null);
Assert.True(expression.Literal.Integer == 1);
Assert.True(expression.FunctionCall == null);
Assert.True(expression.Operator == null);
Assert.True(expression.SubExpression == null);
Assert.True(expression.ParentExpression == null);
txt = "1.0";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
expression = Expression.Compile(expressionContext, null);
Assert.True(expression.Identifier == null);
Assert.True(expression.Literal.Real == 1.0);
Assert.True(expression.FunctionCall == null);
Assert.True(expression.Operator == null);
Assert.True(expression.SubExpression == null);
Assert.True(expression.ParentExpression == null);
txt = "false";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
expression = Expression.Compile(expressionContext, null);
Assert.True(expression.Identifier == null);
Assert.True(expression.Literal.Bool == false);
Assert.True(expression.FunctionCall == null);
Assert.True(expression.Operator == null);
Assert.True(expression.SubExpression == null);
Assert.True(expression.ParentExpression == null);
txt = "\"asd899asd\"";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
expression = Expression.Compile(expressionContext, null);
Assert.True(expression.Identifier == null);
Assert.True(expression.Literal.String == "asd899asd");
Assert.True(expression.FunctionCall == null);
Assert.True(expression.Operator == null);
Assert.True(expression.SubExpression == null);
Assert.True(expression.ParentExpression == null);
txt = "VarName";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
expression = Expression.Compile(expressionContext, null);
Assert.True(expression.Identifier == "VarName");
Assert.True(expression.Literal == null);
Assert.True(expression.FunctionCall == null);
Assert.True(expression.Operator == null);
Assert.True(expression.SubExpression == null);
Assert.True(expression.ParentExpression == null);
txt = "VarName + 1+ true*0";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
expression = Expression.Compile(expressionContext, null);
Assert.True(expression.Identifier == "VarName");
Assert.True(expression.Literal == null);
Assert.True(expression.FunctionCall == null);
Assert.True(expression.Operator == "+");
Assert.True(expression.SubExpression.Literal.Integer == 1);
Assert.True(expression.SubExpression.Operator == "+");
Assert.True(expression.SubExpression.SubExpression.Literal.Bool == true);
Assert.True(expression.SubExpression.SubExpression.Operator == "*");
Assert.True(expression.SubExpression.SubExpression.SubExpression.Literal.Integer == 0);
Assert.True(expression.ParentExpression == null);
Assert.True(expression.SubExpression.ParentExpression == expression);
Assert.True(expression.SubExpression.SubExpression.ParentExpression == expression.SubExpression);
Assert.True(expression.SubExpression.SubExpression.SubExpression.ParentExpression == expression.SubExpression.SubExpression);
txt = "funcCall()";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
expression = Expression.Compile(expressionContext, null);
Assert.True(expression.Identifier == null);
Assert.True(expression.Literal == null);
Assert.True(expression.FunctionCall.Identifier == "funcCall");
Assert.True(expression.Operator == null);
Assert.True(expression.SubExpression == null);
Assert.True(expression.ParentExpression == null);
}
public void AddTests()
{
VariableEnvironment variableEnvironment = new VariableEnvironment();
FunctionEnvironment functionEnvironment = new FunctionEnvironment();
string txt = "1+1";
AntlrInputStream inputStream = new AntlrInputStream(txt);
BogieLangLexer lexer = new BogieLangLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
BogieLangParser parser = new BogieLangParser(commonTokenStream);
BogieLangParser.ExpressionContext expressionContext = parser.expression();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
Expression expression = Expression.Compile(expressionContext, null);
Assert.True(expression.ParentExpression == null);
Assert.True(expression.SubExpression.ParentExpression == expression);
Assert.True((int)expression.Execute(functionEnvironment, variableEnvironment) == 2);
txt = "1+1+1";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
expression = Expression.Compile(expressionContext, null);
Assert.True(expression.ParentExpression == null);
Assert.True(expression.SubExpression.ParentExpression == expression);
Assert.True(expression.SubExpression.SubExpression.ParentExpression == expression.SubExpression);
Assert.True((int)expression.Execute(functionEnvironment, variableEnvironment) == 3);
txt = "1+1.1";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
expression = Expression.Compile(expressionContext, null);
Assert.True(expression.ParentExpression == null);
Assert.True(expression.SubExpression.ParentExpression == expression);
Assert.True((double)expression.Execute(functionEnvironment, variableEnvironment) == 2.1);
txt = "1+\"one\"";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
expression = Expression.Compile(expressionContext, null);
Assert.True(expression.ParentExpression == null);
Assert.True(expression.SubExpression.ParentExpression == expression);
Assert.True((string)expression.Execute(functionEnvironment, variableEnvironment) == "1one");
txt = "1+true";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
expression = Expression.Compile(expressionContext, null);
Assert.True(expression.ParentExpression == null);
Assert.True(expression.SubExpression.ParentExpression == expression);
Assert.True((int)expression.Execute(functionEnvironment, variableEnvironment) == 2);
txt = "1+1.1+true+\"str\"";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
expression = Expression.Compile(expressionContext, null);
Assert.True(expression.ParentExpression == null);
Assert.True(expression.SubExpression.ParentExpression == expression);
Assert.True(expression.SubExpression.SubExpression.ParentExpression == expression.SubExpression);
Assert.True(expression.SubExpression.SubExpression.SubExpression.ParentExpression == expression.SubExpression.SubExpression);
Assert.True((string)expression.Execute(functionEnvironment, variableEnvironment) == "3.1str");
}
public void ExpressionTests()
{
VariableEnvironment variableEnvironment = new VariableEnvironment();
FunctionEnvironment functionEnvironment = new FunctionEnvironment();
string txt = "1";
AntlrInputStream inputStream = new AntlrInputStream(txt);
BogieLangLexer lexer = new BogieLangLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
BogieLangParser parser = new BogieLangParser(commonTokenStream);
BogieLangParser.ExpressionContext expressionContext = parser.expression();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
Expression expression = Expression.Compile(expressionContext, null);
Assert.True(expression.Execute(functionEnvironment, new VariableEnvironment()) is int);
Assert.True(expression.ParentExpression == null);
Assert.True((int)expression.Execute(functionEnvironment, new VariableEnvironment()) == 1);
txt = "1.0";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
expression = Expression.Compile(expressionContext, null);
Assert.True(expression.Execute(functionEnvironment, new VariableEnvironment()) is double);
Assert.True(expression.ParentExpression == null);
Assert.True((double)expression.Execute(functionEnvironment, new VariableEnvironment()) == 1.0);
txt = "false";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
expression = Expression.Compile(expressionContext, null);
Assert.True(expression.Execute(functionEnvironment, new VariableEnvironment()) is bool);
Assert.True(expression.ParentExpression == null);
Assert.True((bool)expression.Execute(functionEnvironment, new VariableEnvironment()) == false);
txt = "\"asd899asd\"";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
expression = Expression.Compile(expressionContext, null);
Assert.True(expression.Execute(functionEnvironment, new VariableEnvironment()) is string);
Assert.True((string)expression.Execute(functionEnvironment, new VariableEnvironment()) == "asd899asd");
txt = "VarName";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
expression = Expression.Compile(expressionContext, null);
variableEnvironment.DeclareVariable(txt, BogieLangType.INTEGER);
variableEnvironment.DefineVariable(txt, 1);
Assert.True(expression.Execute(functionEnvironment, variableEnvironment) is int);
Assert.True(expression.ParentExpression == null);
Assert.True((int)expression.Execute(functionEnvironment, variableEnvironment) == 1);
}
public void ExpressionTests()
{
string txt = "1";
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.ExpressionContext expressionContext = parser.expression();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
txt = "1.0";
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>());
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
txt = "false";
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>());
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
txt = "\"asd899asd\"";
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>());
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
txt = "VarName";
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>());
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
txt = "VarName + 1+ true*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>());
expressionContext = parser.expression();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(expressionContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
}
