private void DeclareSTD()
{
//adding standard function print to the enviornment
var parameterList1 = new ParameterList(new List <Parameter>());
parameterList1.Parameters.Add(new Parameter(
new VariableType(VariableType.ValueTypeEnum.ANY),
new UserCreatableID(new Token("blah" /* doesn't matter */, Token.TokenType.USER_CREATABLE_ID))));
var printFunc = new DeclarationFunctionDeclaration(new FunctionDeclaration(
new UserCreatableID(new Token("print", Token.TokenType.USER_CREATABLE_ID)),
parameterList1,
new ReturnTypeNothing(),
new Statements(new List <Statement>())
));
Encoder.printFunction = printFunc;
idTable.Add(printFunc.FunctionDeclaration.FunctionName, printFunc, IDTable.DeclarationType.FUNCTION);
//adding standard function tnirp to the enviornment
var parameterList2 = new ParameterList(new List <Parameter>());
var tnirpFunc = new DeclarationFunctionDeclaration(new FunctionDeclaration(
new UserCreatableID(new Token("tnirp", Token.TokenType.USER_CREATABLE_ID)),
parameterList2,
new ReturnTypeVariableType(new VariableType(VariableType.ValueTypeEnum.INTY)),
new Statements(new List <Statement>())
));
Encoder.tnirpFunction = tnirpFunc;
idTable.Add(tnirpFunc.FunctionDeclaration.FunctionName, tnirpFunc, IDTable.DeclarationType.FUNCTION);
}
public object VisitDeclarationFunctionDeclaration(DeclarationFunctionDeclaration declarationFunctionDeclaration,
object o)
{
idTable.Add(declarationFunctionDeclaration.FunctionDeclaration.FunctionName, declarationFunctionDeclaration, IDTable.DeclarationType.FUNCTION);
declarationFunctionDeclaration.FunctionDeclaration.Visit(this);
return(null);
}
public object VisitDeclarationFunctionDeclaration(DeclarationFunctionDeclaration declarationFunctionDeclaration, object o)
{
var savedAddr = nextAdr;
Emit(Machine.JUMPop, 0, Machine.CBr, -1);
declarationFunctionDeclaration.FunctionDeclaration.Address.Offset = nextAdr;
_stackManager.IncrementFrameLevel();
declarationFunctionDeclaration.FunctionDeclaration.Visit(this);
_stackManager.DecrementFrameLevel();
Patch(savedAddr, nextAdr);
return(null);
}