public void VarDeclarationTests()
{
string txt = "int var";
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.VarDeclarationContext VarDeclarationContext = parser.varDeclaration();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(VarDeclarationContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
txt = "int var=123";
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>());
VarDeclarationContext = parser.varDeclaration();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(VarDeclarationContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
txt = "int var=funcCall()";
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>());
VarDeclarationContext = parser.varDeclaration();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(VarDeclarationContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
txt = " \t \nint \t \nvar \t \n= \t \nfuncCall() \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>());
VarDeclarationContext = parser.varDeclaration();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(VarDeclarationContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
}
public void VarDeclarationTests()
{
string txt = "int var";
AntlrInputStream inputStream = new AntlrInputStream(txt);
BogieLangLexer lexer = new BogieLangLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
BogieLangParser parser = new BogieLangParser(commonTokenStream);
BogieLangParser.VarDeclarationContext varDeclarationContext = parser.varDeclaration();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(varDeclarationContext);
VarDeclaration varDeclaration = VarDeclaration.Compile(varDeclarationContext);
Assert.True(varDeclaration.BogieLangType == BogieLangType.INTEGER);
Assert.True(varDeclaration.Identifier == "var");
txt = "int var=123";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
varDeclarationContext = parser.varDeclaration();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(varDeclarationContext);
varDeclaration = VarDeclaration.Compile(varDeclarationContext);
Assert.True(varDeclaration.BogieLangType == BogieLangType.INTEGER);
Assert.True(varDeclaration.Identifier == "var");
Assert.True(varDeclaration.Expression.Literal.Integer == 123);
txt = "int var=funcCall()";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
varDeclarationContext = parser.varDeclaration();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(varDeclarationContext);
varDeclaration = VarDeclaration.Compile(varDeclarationContext);
Assert.True(varDeclaration.BogieLangType == BogieLangType.INTEGER);
Assert.True(varDeclaration.Identifier == "var");
Assert.True(varDeclaration.Expression.FunctionCall.Identifier == "funcCall");
}
public static VarDeclaration Compile(BogieLangParser.VarDeclarationContext varDeclarationContext)
{
VarDeclaration result = new VarDeclaration();
if (varDeclarationContext.TYPE() != null)
{
result.BogieLangType = Runtime.BogieLangTypeHelpr.StringToType(varDeclarationContext.TYPE().GetText());
}
if (varDeclarationContext.IDENTIFIER() != null)
{
result.Identifier = varDeclarationContext.IDENTIFIER().GetText();
}
if (varDeclarationContext.expression() != null)
{
result.Expression = Expression.Compile(varDeclarationContext.expression(), null);
}
return(result);
}
public void VarDeclarationTests()
{
VariableEnvironment variables = new VariableEnvironment();
FunctionEnvironment functionEnvironment = new FunctionEnvironment();
string txt = "int var";
AntlrInputStream inputStream = new AntlrInputStream(txt);
BogieLangLexer lexer = new BogieLangLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
BogieLangParser parser = new BogieLangParser(commonTokenStream);
BogieLangParser.VarDeclarationContext varDeclarationContext = parser.varDeclaration();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(varDeclarationContext);
VarDeclaration varDeclaration = VarDeclaration.Compile(varDeclarationContext);
varDeclaration.Execute(functionEnvironment, variables);
Assert.True(variables["var"].BogieLangType == BogieLangType.INTEGER);
Assert.True(variables["var"].Value == null);
Assert.True(variables["var"].Identifer == "var");
variables.Clear();
txt = "int var=123";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
varDeclarationContext = parser.varDeclaration();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(varDeclarationContext);
varDeclaration = VarDeclaration.Compile(varDeclarationContext);
varDeclaration.Execute(functionEnvironment, variables);
Assert.True(variables["var"].BogieLangType == BogieLangType.INTEGER);
Assert.True((int)variables["var"].Value == 123);
Assert.True(variables["var"].Identifer == "var");
}
