public void FunctionDefinitionTests()
{
VariableEnvironment variableEnvironment = new VariableEnvironment();
FunctionEnvironment functionEnvironment = new FunctionEnvironment();
string txt = "void funcName(){}";
AntlrInputStream inputStream = new AntlrInputStream(txt);
BogieLangLexer lexer = new BogieLangLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
BogieLangParser parser = new BogieLangParser(commonTokenStream);
BogieLangParser.FunctionDefinitionContext functionDefinitionContext = parser.functionDefinition();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(functionDefinitionContext);
FunctionDefinition functionDefinition = FunctionDefinition.Compile(functionDefinitionContext);
functionEnvironment.FunctionDefinitions.Add("funcName", functionDefinition);
functionDefinition.Execute(functionEnvironment, variableEnvironment);
functionEnvironment.Clear();
variableEnvironment.DeclaredVariables = new Dictionary <string, BogieLangTypeInstance>()
{
{ "abc", new BogieLangTypeInstance()
{
BogieLangType = BogieLangType.INTEGER, Identifer = "abc", Value = 1
} },
{ "str", new BogieLangTypeInstance()
{
BogieLangType = BogieLangType.STRING, Identifer = "str", Value = "string"
} },
{ "lol", new BogieLangTypeInstance()
{
BogieLangType = BogieLangType.VOID, Identifer = "lol", Value = null
} }
};
txt = "void funcName(int abc,string str,void lol){}";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
functionDefinitionContext = parser.functionDefinition();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(functionDefinitionContext);
functionDefinition = FunctionDefinition.Compile(functionDefinitionContext);
functionEnvironment.FunctionDefinitions.Add("funcName", functionDefinition);
functionDefinition.Execute(functionEnvironment, variableEnvironment);
txt = "int funcName(int abc,string str,bool b){int intvar" +
"\n intvar=123" +
"\nintvar=1" +
"\nreturn funcCall(b)" +
"\n}";
string txt2 = "\nint funcCall(bool b)" +
"\n{" +
"\nif(b)" +
"\n{" +
"\n return 100" +
"\n}" +
"\nreturn 0" +
"}";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
functionDefinitionContext = parser.functionDefinition();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(functionDefinitionContext);
FunctionDefinition functionDefinition1 = FunctionDefinition.Compile(functionDefinitionContext);
inputStream = new AntlrInputStream(txt2);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
functionDefinitionContext = parser.functionDefinition();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(functionDefinitionContext);
FunctionDefinition functionDefinition2 = FunctionDefinition.Compile(functionDefinitionContext);
variableEnvironment.Clear();
functionEnvironment.Clear();
variableEnvironment.DeclaredVariables = new Dictionary <string, BogieLangTypeInstance>()
{
{ "abc", new BogieLangTypeInstance()
{
BogieLangType = BogieLangType.INTEGER, Identifer = "abc", Value = 1
} },
{ "str", new BogieLangTypeInstance()
{
BogieLangType = BogieLangType.STRING, Identifer = "str", Value = "string"
} },
{ "b", new BogieLangTypeInstance()
{
BogieLangType = BogieLangType.BOOL, Identifer = "b", Value = true
} }
};
functionEnvironment.DefineFunction("funcName", functionDefinition1);
functionEnvironment.DefineFunction("funcCall", functionDefinition2);
Assert.True((int)functionDefinition1.Execute(functionEnvironment, variableEnvironment) == 100);
}