public void WhileTests()
{
VariableEnvironment variables = new VariableEnvironment();
FunctionEnvironment functionEnvironment = new FunctionEnvironment();
variables.DeclareVariable("loop", BogieLangType.BOOL);
variables.DefineVariable("loop", true);
string txt = "while(loop){loop = false}";
AntlrInputStream inputStream = new AntlrInputStream(txt);
BogieLangLexer lexer = new BogieLangLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
BogieLangParser parser = new BogieLangParser(commonTokenStream);
BogieLangParser.WhileControlContext whileControlContext = parser.whileControl();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(whileControlContext);
WhileControl whileControl = WhileControl.Compile(whileControlContext);
Assert.True(whileControl.Execute(functionEnvironment, variables) == null);
Assert.True((bool)variables["loop"].Value == false);
txt = " while(loop){loop = false int b=0}";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
whileControlContext = parser.whileControl();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(whileControlContext);
whileControl = WhileControl.Compile(whileControlContext);
Assert.True(whileControl.Execute(functionEnvironment, variables) == null);
Assert.True((bool)variables["loop"].Value == false);
Assert.True(!variables.IsVariableDeclared("b"));
}
public void WhileTests()
{
string txt = "while(true){}";
AntlrInputStream inputStream = new AntlrInputStream(txt);
BogieLangLexer lexer = new BogieLangLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
BogieLangParser parser = new BogieLangParser(commonTokenStream);
BogieLangParser.WhileControlContext whileControlContext = parser.whileControl();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(whileControlContext);
WhileControl whileControl = WhileControl.Compile(whileControlContext);
Assert.True(whileControl.Expression.Literal.Bool == true);
Assert.True(whileControl.Body.Count == 0);
txt = "while(true){int b=0}";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
whileControlContext = parser.whileControl();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(whileControlContext);
whileControl = WhileControl.Compile(whileControlContext);
Assert.True(whileControl.Expression.Literal.Bool == true);
Assert.True(whileControl.Body[0].VarDeclaration.BogieLangType == BogieLangType.INTEGER);
Assert.True(whileControl.Body[0].VarDeclaration.Identifier == "b");
Assert.True(whileControl.Body[0].VarDeclaration.Expression.Literal.Integer == 0);
txt = @"while(true)
{
int b=0
b = 1
funcCall(b)
while(false){return 1}
return 0
}";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
whileControlContext = parser.whileControl();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(whileControlContext);
whileControl = WhileControl.Compile(whileControlContext);
Assert.True(whileControl.Expression.Literal.Bool == true);
Assert.True(whileControl.Body[0].VarDeclaration.BogieLangType == BogieLangType.INTEGER);
Assert.True(whileControl.Body[0].VarDeclaration.Identifier == "b");
Assert.True(whileControl.Body[0].VarDeclaration.Expression.Literal.Integer == 0);
Assert.True(whileControl.Body[1].VarDefinition.Identifier == "b");
Assert.True(whileControl.Body[1].VarDefinition.Expression.Literal.Integer == 1);
Assert.True(whileControl.Body[2].FunctionCall.Identifier == "funcCall");
Assert.True(whileControl.Body[2].FunctionCall.Arguments[0].Identifier == "b");
Assert.True(whileControl.Body[3].WhileControl.Expression.Literal.Bool == false);
Assert.True(whileControl.Body[3].WhileControl.Body[0].FunctionReturn.Expression.Literal.Integer == 1);
Assert.True(whileControl.Body[4].FunctionReturn.Expression.Literal.Integer == 0);
}
