public void Visit(StringValueExpr node)
{
TypeStack.Push ("String");
VisitChildren (node);
}
public void Visit(StringValueExpr node)
{
ValueStack.Push (new StackValue("String", node.Name));
VisitChildren (node);
}
private Expression Value()
{
switch ((Token.Types)currentToken.Type) {
case Token.Types.IntLiteral:
{
IntValueExpr expr = new IntValueExpr (currentToken.Lexeme, currentToken.Row, currentToken.Column);
Match (Token.Types.IntLiteral);
return expr;
}
case Token.Types.StringLiteral:
{
StringValueExpr expr = new StringValueExpr (currentToken.Lexeme, currentToken.Row, currentToken.Column);
Match (Token.Types.StringLiteral);
return expr;
}
case Token.Types.BoolLiteral:
{
BoolValueExpr expr = new BoolValueExpr (currentToken.Lexeme, currentToken.Row, currentToken.Column);
Match (Token.Types.BoolLiteral);
return expr;
}
case Token.Types.Identifier:
{
IdentifierValueExpr expr = new IdentifierValueExpr (currentToken.Lexeme, currentToken.Row, currentToken.Column);
Match (Token.Types.Identifier);
return expr;
}
default:
{
throw new SyntaxError ("invalid type " + currentToken.Type, currentToken.Row,
currentToken.Column);
}
}
}